!755 内核告警清理

Merge pull request !755 from yinjiaming/fix

BUILD.gn

@@ -1,5 +1,5 @@
 # Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
-# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+# Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without modification,
 # are permitted provided that the following conditions are met:
@@ -31,164 +31,75 @@ import("//build/lite/config/component/lite_component.gni")
 
 LITEOS_MENUCONFIG_H = rebase_path("$root_out_dir/config.h")
 
-declare_args() {
-  liteos_name = "OHOS_Image"
-  liteos_kernel_only = false
-}
-
 import("liteos.gni")
 
-liteos_arch_cflags = []
-if (defined(LOSCFG_ARCH_ARM)) {
-  mcpu = LOSCFG_ARCH_CPU
-  if (defined(LOSCFG_ARCH_ARM_AARCH64) && defined(LOSCFG_ARCH_FPU_DISABLE)) {
-    mcpu += "+nofp"
-  }
-  liteos_arch_cflags += [ "-mcpu=$mcpu" ]
-  if (defined(LOSCFG_ARCH_ARM_AARCH32) && defined(LOSCFG_ARCH_FPU)) {
-    liteos_arch_cflags += [ "-mfpu=$LOSCFG_ARCH_FPU" ]
-  }
-}
+if (defined(LOSCFG_COMPILER_ICCARM)) {
+  import("config_iccarm.gni")
+} else {
+  import("config.gni")
 
-cc = "$ohos_current_cc_command " + string_join(" ", liteos_arch_cflags)
-if (ohos_build_compiler == "clang") {
-  cc += " --target=$target_triple"
+  cc = "$ohos_current_cc_command " + string_join(" ", liteos_arch_config_cflags)
+  if (ohos_build_compiler == "clang") {
+    cc += " --target=$target_triple"
+  }
 }
 
 config("arch_config") {
-  cflags = liteos_arch_cflags
-  asmflags = cflags
-  ldflags = cflags
-  if (defined(LOSCFG_ARCH_ARM_AARCH32)) {
-    if (!defined(LOSCFG_COMPILER_CLANG_LLVM)) {
-      cflags += [ "-mthumb-interwork" ]
-    }
-  }
-  if (defined(LOSCFG_THUMB)) {
-    cflags += [ "-mthumb" ]
-    if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
-      cflags += [ "-mimplicit-it=thumb" ]
-    } else {
-      cflags += [ "-Wa,-mimplicit-it=thumb" ]
-    }
-  }
+  cflags = arch_config_cflags
+  asmflags = arch_config_asmflags
+  ldflags = arch_config_ldflags
 }
 
 config("stdinc_config") {
-  std_include = exec_script("//build/lite/run_shell_cmd.py",
-                            [ "$cc -print-file-name=include" ],
-                            "trim string")
-  cflags = [
-    "-isystem",
-    std_include,
-  ]
-  cflags += [ "-nostdinc" ]
-  asmflags = cflags
-  if (defined(LOSCFG_LIBC_NEWLIB)) {
-    cflags -= [ "-nostdinc" ]
+  cflags = stdinc_config_cflags
+  asmflags = stdinc_config_asmflags
+  if (!defined(LOSCFG_COMPILER_ICCARM)) {
+    std_include = exec_script("//build/lite/run_shell_cmd.py",
+                              [ "$cc -print-file-name=include" ],
+                              "trim string")
+    cflags += [
+      "-isystem",
+      std_include,
+    ]
   }
 }
 
 config("ssp_config") {
-  cflags = []
-  if (defined(LOSCFG_CC_STACKPROTECTOR_ALL)) {
-    cflags += [ "-fstack-protector-all" ]
-  } else if (defined(LOSCFG_CC_STACKPROTECTOR_STRONG)) {
-    cflags += [ "-fstack-protector-strong" ]
-  } else if (defined(LOSCFG_CC_STACKPROTECTOR)) {
-    cflags += [
-      "-fstack-protector",
-      "--param",
-      "ssp-buffer-size=4",
-    ]
-  } else {
-    cflags += [ "-fno-stack-protector" ]
-  }
-  asmflags = cflags
+  cflags = ssp_config_cflags
+  asmflags = ssp_config_asmflags
 }
 
 config("optimize_config") {
-  cflags = []
-  if (defined(LOSCFG_COMPILE_DEBUG)) {
-    cflags += [
-      "-g",
-      "-gdwarf-2",
-    ]
-    optimization_cflag = "-O0"
-  }
-  if (defined(LOSCFG_COMPILE_OPTIMIZE)) {
-    optimization_cflag = "-O2"
-  }
-  if (defined(LOSCFG_COMPILE_OPTIMIZE_SIZE)) {
-    if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
-      optimization_cflag = "-Oz"
-    } else {
-      optimization_cflag = "-Os"
-    }
-  }
-  if (defined(LOSCFG_COMPILE_LTO)) {
-    if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
-      cflags += [ "-flto=thin" ]
-    } else {
-      #cflags += [ "-flto" ]
-    }
-  }
-  cflags += [ optimization_cflag ]
-  asmflags = cflags
+  cflags = optimize_config_cflags
+  asmflags = optimize_config_asmflags
 }
 
 config("kconfig_config") {
-  cflags = [
-    "-imacros",
-    "$LITEOS_MENUCONFIG_H",
-  ]
-  asmflags = cflags
-  cflags_cc = cflags
+  cflags = kconfig_config_cflags
+  asmflags = kconfig_config_asmflags
 }
 
 config("warn_config") {
-  cflags = [
-    "-Wall",
-    "-Werror",
-    "-Wpointer-arith",
-    "-Wstrict-prototypes",
-    "-Winvalid-pch",
-    "-Wno-address-of-packed-member",
-  ]
-  asmflags = cflags
+  cflags = warn_config_cflags
+  asmflags = warn_config_asmflags
 }
 
 config("dialect_config") {
-  cflags_c = [ "-std=c99" ]
-  cflags_cc = [ "-std=c++11" ]
+  cflags_c = dialect_config_cflags
+  cflags_cc = dialect_config_ccflags
+  asmflags = dialect_config_asmflags
 }
 
 config("misc_config") {
-  defines = [ "__LITEOS__" ]
-  defines += [ "__LITEOS_M__" ]
+  if (!defined(LOSCFG_COMPILER_ICCARM)) {
+    defines = [ "__LITEOS__" ]
+    defines += [ "__LITEOS_M__" ]
+  }
   if (!defined(LOSCFG_DEBUG_VERSION)) {
     defines += [ "NDEBUG" ]
   }
-
-  cflags = [
-    "-fno-pic",
-    "-fno-builtin",
-    "-fms-extensions",
-    "-fno-strict-aliasing",
-    "-fno-common",
-    "-fsigned-char",
-    "-ffunction-sections",
-    "-fdata-sections",
-    "-fno-exceptions",
-    "-fno-omit-frame-pointer",
-  ]
-
-  if (!defined(LOSCFG_COMPILER_CLANG_LLVM)) {
-    cflags += [ "-fno-aggressive-loop-optimizations" ]
-  }
-
-  asmflags = cflags
-  asmflags += [ "-DCLZ=CLZ" ]
+  cflags = misc_config_cflags
+  asmflags = misc_config_asmflags
 }
 
 config("los_config") {
@@ -258,7 +169,11 @@ not_needed([ "HAVE_DEVICE_SDK" ])
 
 static_library("libkernel") {
   deps = [ ":modules" ]
-  complete_static_lib = false
+  if (defined(LOSCFG_COMPILER_ICCARM)) {
+    complete_static_lib = true
+  } else {
+    complete_static_lib = false
+  }
 }
 
 group("kernel") {
@@ -274,11 +189,7 @@ executable("liteos") {
     ":los_config",
   ]
 
-  ldflags = [
-    "-static",
-    "-Wl,--gc-sections",
-    "-Wl,-Map=$liteos_name.map",
-  ]
+  ldflags = executable_config_ldflags
 
   output_dir = target_out_dir
 
@@ -299,11 +210,5 @@ build_ext_component("build_kernel_image") {
   deps = [ ":copy_liteos" ]
   exec_path = rebase_path(root_out_dir)
 
-  objcopy = "${compile_prefix}objcopy$toolchain_cmd_suffix"
-  objdump = "${compile_prefix}objdump$toolchain_cmd_suffix"
-
-  command = "$objcopy -O binary $liteos_name $liteos_name.bin"
-  command +=
-      " && sh -c '$objdump -t $liteos_name | sort >$liteos_name.sym.sorted'"
-  command += " && sh -c '$objdump -d $liteos_name >$liteos_name.asm'"
+  command = toochain_config_command
 }

Kconfig

@@ -1,5 +1,5 @@
 # Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
-# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+# Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without modification,
 # are permitted provided that the following conditions are met:
@@ -52,6 +52,9 @@ config LLVM_TARGET
     depends on COMPILER_CLANG_LLVM
     default "arm-liteos-ohos" if ARCH_ARM_AARCH32
 
+config COMPILER_ICCARM
+    bool "ICCARM"
+
 endchoice
 
 config COMPILE_DEBUG
@@ -317,7 +320,7 @@ config CPUP_INCLUDE_IRQ
     help
       If you wish to include irq usage for cpup.
 
-config DYNLINK
+config KERNEL_DYNLINK
     bool "Enable Dynamic Link Feature"
     default n
     depends on KERNEL_EXTKERNEL && ARCH_ARM
@@ -354,15 +357,10 @@ config KERNEL_PM_DEBUG
     help
       Configuration item for low power frame debug tailoring.
 
-config DEBUG_HOOK
-    bool
-    default n
-
 config PLATFORM_EXC
-    bool "Enable Hook Feature"
+    bool "Enable Platform Exc Hook"
     default n
     depends on KERNEL_EXTKERNEL
-    select DEBUG_HOOK
 
 config KERNEL_LMK
     bool "Enable Low Memory Killer"
@@ -529,14 +527,20 @@ config DEBUG_SEMAPHORE
     help
       Answer Y to enable debug semaphore.
 
-source "components/shell/Kconfig"
 config NET_LWIP_SACK_TFTP
     bool "Enable Tftp"
     default y
     depends on SHELL && NET_LWIP_SACK && DEBUG_VERSION
     help
       Answer Y to enable LiteOS support tftp cmd and tftp tool.
-osource "net/telnet/Kconfig"
+
+config DEBUG_HOOK
+    bool "Enable Hook Framework"
+    default n
+    depends on DEBUG_VERSION
+    help
+      Enable the kernel hook framework to support customized trace information capture.
+
 config SCHED_DEBUG
     bool "Enable sched debug Feature"
     default n
@@ -554,6 +558,13 @@ config SHELL_CMD_DEBUG
     default n
     depends on DEBUG_VERSION && SHELL
 
+config DEBUG_TOOLS
+    bool "Enable DEBUG TOOLS"
+    default n
+    depends on DEBUG_VERSION
+    help
+      Answer Y to enable LiteOS debug tools, include stackdump, hwidump, tasktrack.
+
 config USB_DEBUG
     bool "Enable USB Debug"
     default n
@@ -574,7 +585,7 @@ config MEM_LEAKCHECK
     depends on DEBUG_VERSION && MEM_DEBUG
     select KERNEL_BACKTRACE
     help
-      Answer Y to enable record the LR of Function call stack of Mem operation, it can check the mem leak through the informations of mem node.
+      Answer Y to enable record the LR of Function call stack of Mem operation, it can check the mem leak through the information of mem node.
 config BASE_MEM_NODE_INTEGRITY_CHECK
     bool "Enable integrity check or not"
     default n
@@ -590,6 +601,13 @@ config VM_OVERLAP_CHECK
     depends on DEBUG_VERSION && MEM_DEBUG
     help
       Answer Y to enable vm overlap check.
+      
+config TASK_MEM_USED
+    bool "Enable show task mem used or not"
+    default n
+    depends on DEBUG_VERSION && MEM_DEBUG
+
+source "components/shell/Kconfig"
 
 endmenu
 
@@ -600,11 +618,11 @@ endmenu
 
 ######################## config options os security #######################
 menu "Security"
-osource "security/Kconfig"
 config SECURE_TRUSTZONE
     bool "Enable ARM TrustZone"
     default n
     depends on ARCH_ARM
+    depends on ARCH_ARM_V8M
 config SECURE_HEAP_SIZE
     int "TrustZone Heap Size (bytes)"
     default 2048
@@ -615,6 +633,13 @@ config SECURE_STACK_DEFAULT_SIZE
     depends on SECURE_TRUSTZONE
     help
       The secure stack must be allocated before the task calls non-secure functions.
+config SECURE
+    bool "Enable Security"
+    default n
+    select MPU_ENABLE
+config MPU_ENABLE
+    bool "Enable MPU"
+    default n
 endmenu
 
 menu "Test"

README.md

@@ -59,7 +59,6 @@ The directory structure is as follows. For more details, see [arch_spec.md](arch
 ├── kernel               # Minimum kernel function set
 │   ├── include          # APIs exposed externally
 │   └── src              # Source code of the minimum kernel function set
-├── targets              # Board-level projects
 ├── testsuites           # Kernel testsuites
 ├── tools                # Kernel tools
 ├── utils                # Common directory
@@ -107,12 +106,6 @@ The LiteOS-M kernel porting projects for specific development boards are provide
 
         This repository provides the project code for porting the OpenHarmony LiteOS-M kernel to support the STM32F429IGTb development board. The code supports build in Ninja, GCC, and IAR modes.
 
--   Cortex-M7:
-
-    - Nucleo-F767ZI https://gitee.com/harylee/nucleo_f767zi
-
-        This repository provides the project code for porting the OpenHarmony LiteOS-M kernel to support the Nucleo-F767ZI development board. The code supports build in Ninja, GCC, and IAR modes.
-
 ## Contribution<a name="section1371123476307"></a>
 
 [How to involve](https://gitee.com/openharmony/docs/blob/HEAD/en/contribute/contribution.md)

README_zh.md

@@ -26,6 +26,7 @@ OpenHarmony LiteOS-M内核是面向IoT领域构建的轻量级物联网操作系
 │   │   ├── cortex-m3    # cortex-m3架构代码
 │   │   ├── cortex-m33   # cortex-m33架构代码
 │   │   ├── cortex-m4    # cortex-m4架构代码
+│   │   ├── cortex-m55   # cortex-m55架构代码
 │   │   ├── cortex-m7    # cortex-m7架构代码
 │   │   └── include      # arm架构公共头文件目录
 │   ├── csky             # csky架构代码
@@ -56,7 +57,6 @@ OpenHarmony LiteOS-M内核是面向IoT领域构建的轻量级物联网操作系
 ├── kernel               # 内核最小功能集支持
 │   ├── include          # 对外接口存放目录
 │   └── src              # 内核最小功能集源码
-├── targets              # 板级工程目录
 ├── testsuites           # 内核测试用例
 ├── tools                # 内核工具
 ├── utils                # 通用公共目录
@@ -105,12 +105,6 @@ LiteOS-M内核移植的具体开发板的工程由社区开发者提供，可以
 
         该仓包含OpenHarmony LiteOS-M内核移植支持`野火挑战者STM32F429IGTb`开发板的工程代码，支持Ninja、GCC、IAR等方式进行编译。
 
--   cortex-m7：
-
-    - Nucleo-F767ZI   https://gitee.com/harylee/nucleo_f767zi
-
-        该仓包含OpenHarmony LiteOS-M内核移植支持`Nucleo-F767ZI`开发板的工程代码，支持Ninja、GCC、IAR等方式进行编译。
-
 ## 贡献<a name="section1371123476307"></a>
 
 [如何贡献](https://gitee.com/openharmony/docs/blob/HEAD/zh-cn/contribute/%E5%8F%82%E4%B8%8E%E8%B4%A1%E7%8C%AE.md)

arch/BUILD.gn

@@ -39,10 +39,11 @@ module_group("arch") {
       "$board_cpu" == "cortex-m4" || "$board_cpu" == "cortex-m7" ||
       "$board_cpu" == "cortex-m33" || "$board_cpu" == "cortex-m55") {
     modules += [ "arm" ]
-  } else if ("$board_cpu" == "ck802" || "$board_cpu" == "e802") {
+  } else if ("$board_cpu" == "ck802" || "$board_cpu" == "e802" ||
+             "$board_cpu" == "ck804ef") {
     modules += [ "csky" ]
   } else if ("$board_cpu" == "") {
-    if ("$board_arch" == "rv32imac" || "$board_arch" == "rv32imafdc") {
+    if ("$board_arch" != string_replace("$board_arch", "rv32i", "")) {
       modules += [ "risc-v" ]
     } else if ("$board" == "esp32") {
       modules += [ "xtensa" ]

arch/arm/BUILD.gn

@@ -1,5 +1,5 @@
 # Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
-# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+# Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without modification,
 # are permitted provided that the following conditions are met:
@@ -34,6 +34,10 @@ config("arm_config") {
 }
 
 module_group("arm") {
-  modules = [ "$board_cpu/gcc" ]
+  if (defined(LOSCFG_COMPILER_ICCARM)) {
+    modules = [ "$board_cpu/iar" ]
+  } else {
+    modules = [ "$board_cpu/gcc" ]
+  }
   configs = [ ":arm_config" ]
 }

arch/arm/Kconfig

@@ -16,54 +16,76 @@ config ARCH_ARM_AARCH32
 config ARCH_ARM_V7M
     bool
 
+config ARCH_ARM_V8M
+    bool
+
 config ARCH_ARM_V5TE
     bool
 
 config ARCH_ARM_VER
     string
     default "armv7-m" if ARCH_ARM_V7M
+    default "armv8-m" if ARCH_ARM_V8M
     default "armv5te" if ARCH_ARM_V5TE
 
 #
 # VFP Hardware
 #
-config ARCH_FPU_VFP_V3
-    bool
-    help
-      An optional extension to the Arm, Thumb, and ThumbEE instruction sets in the ARMv7-A and ARMv7-R profiles.
-      VFPv3U is a variant of VFPv3 that supports the trapping of floating-point exceptions to support code.
+choice
+    prompt "Choose FPU type"
+    depends on !ARCH_FPU_DISABLE
 
-config ARCH_FPU_VFP_V4
-    bool
-    help
-      An optional extension to the Arm, Thumb, and ThumbEE instruction sets in the ARMv7-A and ARMv7-R profiles.
-      VFPv4U is a variant of VFPv4 that supports the trapping of floating-point exceptions to support code.
-      VFPv4 and VFPv4U add both the Half-precision Extension and the fused multiply-add instructions to the features of VFPv3.
+    choice
+        prompt "Choose FPU version"
+        default ARCH_FPU_VFP_V4
+        depends on !ARCH_FPU_DISABLE
+        help
+            Choose FPU version.
+        
+    config ARCH_FPU_VFP_V3
+        bool "VFP_V3"
+        help
+        An optional extension to the Arm, Thumb, and ThumbEE instruction sets in the ARMv7-A and ARMv7-R profiles.
+        VFPv3U is a variant of VFPv3 that supports the trapping of floating-point exceptions to support code.
 
-config ARCH_FPU_VFP_D16
-    bool
-    depends on ARCH_ARM_AARCH32
-    help
-      VPU implemented with 16 doubleword registers (16 x 64-bit).
+    config ARCH_FPU_VFP_V4
+        bool "VFP_V4"
+        help
+        An optional extension to the Arm, Thumb, and ThumbEE instruction sets in the ARMv7-A and ARMv7-R profiles.
+        VFPv4U is a variant of VFPv4 that supports the trapping of floating-point exceptions to support code.
+        VFPv4 and VFPv4U add both the Half-precision Extension and the fused multiply-add instructions to the features of VFPv3.
+    endchoice
 
-config ARCH_FPU_VFP_D32
-    bool
-    depends on ARCH_ARM_AARCH32
-    help
-      VPU implemented with 32 doubleword registers (32 x 64-bit).
+    choice
+        prompt "Choose num of FPU doubleword registers"
+        default ARCH_FPU_VFP_D32
+        depends on !ARCH_FPU_DISABLE
+        help
+            Choose num of FPU doubleword registers.
 
-config ARCH_FPU_VFP_NEON
-    bool
-    help
-      Advanced SIMD extension (NEON) support.
+    config ARCH_FPU_VFP_D16
+        bool "FPU_VFP_D16"
+        depends on ARCH_ARM_AARCH32
+        help
+        VPU implemented with 16 doubleword registers (16 x 64-bit).
 
+    config ARCH_FPU_VFP_D32
+        bool "FPU_VFP_D32"
+        depends on ARCH_ARM_AARCH32
+        help
+        VPU implemented with 32 doubleword registers (32 x 64-bit).
+    endchoice
+endchoice
 config ARCH_FPU
     string
-    default "vfpv3"       if ARCH_FPU_VFP_V3 && ARCH_FPU_VFP_D32
-    default "vfpv3-d16"   if ARCH_FPU_VFP_V3 && ARCH_FPU_VFP_D16
-    default "neon-vfpv4"  if ARCH_FPU_VFP_V4 && ARCH_FPU_VFP_D32 && ARCH_FPU_VFP_NEON
-    default "vfpv4"       if ARCH_FPU_VFP_V4 && ARCH_FPU_VFP_D32
-    default "vfpv4-d16"   if ARCH_FPU_VFP_V4 && ARCH_FPU_VFP_D16
+    default "vfpv3"       if ARCH_FPU_VFP_V3 && ARCH_FPU_VFP_D32 && !COMPILER_ICCARM
+    default "vfpv3-d16"   if ARCH_FPU_VFP_V3 && ARCH_FPU_VFP_D16 && !COMPILER_ICCARM
+    default "vfpv4"       if ARCH_FPU_VFP_V4 && ARCH_FPU_VFP_D32 && !COMPILER_ICCARM
+    default "vfpv4-d16"   if ARCH_FPU_VFP_V4 && ARCH_FPU_VFP_D16 && !COMPILER_ICCARM
+    default "VFPv3"       if ARCH_FPU_VFP_V3 && ARCH_FPU_VFP_D32 && COMPILER_ICCARM
+    default "VFPv3_D16"   if ARCH_FPU_VFP_V3 && ARCH_FPU_VFP_D16 && COMPILER_ICCARM
+    default "VFPv4"       if ARCH_FPU_VFP_V4 && ARCH_FPU_VFP_D32 && COMPILER_ICCARM
+    default "VFPv4_D16"   if ARCH_FPU_VFP_V4 && ARCH_FPU_VFP_D16 && COMPILER_ICCARM
 
 #
 # Supported Processor Cores
@@ -82,25 +104,16 @@ config ARCH_CORTEX_M7
     bool
     select ARCH_ARM_V7M
     select ARCH_ARM_AARCH32
-    select ARCH_FPU_VFP_V4
-    select ARCH_FPU_VFP_D32
-    select ARCH_FPU_VFP_NEON
 
 config ARCH_CORTEX_M33
     bool
-    select ARCH_ARM_V7M
+    select ARCH_ARM_V8M
     select ARCH_ARM_AARCH32
-    select ARCH_FPU_VFP_V4
-    select ARCH_FPU_VFP_D32
-    select ARCH_FPU_VFP_NEON
 
 config ARCH_CORTEX_M55
     bool
-    select ARCH_ARM_V7M
+    select ARCH_ARM_V8M
     select ARCH_ARM_AARCH32
-    select ARCH_FPU_VFP_V4
-    select ARCH_FPU_VFP_D32
-    select ARCH_FPU_VFP_NEON
 
 config ARCH_ARM9
     bool
@@ -109,9 +122,14 @@ config ARCH_ARM9
 
 config ARCH_CPU
     string
-    default "cortex-m3" if ARCH_CORTEX_M3
-    default "cortex-m4" if ARCH_CORTEX_M4
-    default "cortex-m7" if ARCH_CORTEX_M7
-    default "cortex-m33" if ARCH_CORTEX_M33
-    default "cortex-m55" if ARCH_CORTEX_M55
+    default "cortex-m3" if ARCH_CORTEX_M3 && !COMPILER_ICCARM
+    default "cortex-m4" if ARCH_CORTEX_M4 && !COMPILER_ICCARM
+    default "cortex-m7" if ARCH_CORTEX_M7 && !COMPILER_ICCARM
+    default "cortex-m33" if ARCH_CORTEX_M33 && !COMPILER_ICCARM
+    default "cortex-m55" if ARCH_CORTEX_M55 && !COMPILER_ICCARM
+    default "Cortex-M3" if ARCH_CORTEX_M3 && COMPILER_ICCARM
+    default "Cortex-M4" if ARCH_CORTEX_M4 && COMPILER_ICCARM
+    default "Cortex-M7" if ARCH_CORTEX_M7 && COMPILER_ICCARM
+    default "Cortex-M33" if ARCH_CORTEX_M33 && COMPILER_ICCARM
+    default "Cortex-M55" if ARCH_CORTEX_M55 && COMPILER_ICCARM
     default "arm9" if ARCH_ARM9

arch/arm/arm9/gcc/los_arch_atomic.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
 #define _LOS_ARCH_ATOMIC_H
 
 #include "los_compiler.h"
+#include "los_interrupt.h"
 
 #ifdef __cplusplus
 #if __cplusplus

arch/arm/arm9/gcc/los_interrupt.c

@@ -39,6 +39,9 @@
 #include "los_sched.h"
 #include "los_memory.h"
 #include "los_membox.h"
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+#include "los_cpup.h"
+#endif
 #include "los_reg.h"
 
 #define OS_INT_IRQ_ENABLE           (1U << 0)
@@ -61,6 +64,30 @@ ExcInfo g_excInfo = {0};
  */
 STATIC HWI_PROC_FUNC g_hwiForm[OS_VECTOR_CNT] = {0};
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
+STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
+
+UINT32 OsGetHwiFormCnt(UINT32 index)
+{
+    return g_hwiFormCnt[index];
+}
+
+CHAR *OsGetHwiFormName(UINT32 index)
+{
+    return g_hwiFormName[index];
+}
+
+BOOL OsGetHwiCreated(UINT32 index)
+{
+    if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
 typedef struct {
@@ -204,6 +231,9 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     hwiIndex = HwiNumGet();
 
     OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqStart(hwiIndex);
+#endif
 
     HalPreInterruptHandler(hwiIndex);
 
@@ -217,8 +247,16 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     }
 #endif
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    ++g_hwiFormCnt[hwiIndex];
+#endif
+
     HalAftInterruptHandler(hwiIndex);
 
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqEnd(hwiIndex);
+#endif
+
     OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
 
     intSave = LOS_IntLock();
@@ -268,6 +306,12 @@ LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
 #else
     (VOID)irqParam;
     OsSetVector(hwiNum, hwiHandler);
+#endif
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    if ((irqParam != NULL) && (irqParam->pName != NULL)) {
+        g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
+    }
+    g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
 #endif
     HwiUnmask(hwiNum);
     LOS_IntRestore(intSave);

arch/arm/cortex-m3/keil/los_arch_atomic.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
 #define _LOS_ARCH_ATOMIC_H
 
 #include "los_compiler.h"
+#include "los_interrupt.h"
 
 #ifdef __cplusplus
 #if __cplusplus

arch/arm/cortex-m3/keil/los_interrupt.c

@@ -39,6 +39,9 @@
 #include "los_sched.h"
 #include "los_memory.h"
 #include "los_membox.h"
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+#include "los_cpup.h"
+#endif
 
 UINT32 g_intCount = 0;
 
@@ -54,6 +57,30 @@ LITE_OS_SEC_VEC
  */
 STATIC HWI_PROC_FUNC g_hwiForm[OS_VECTOR_CNT] = {0};
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
+STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
+
+UINT32 OsGetHwiFormCnt(UINT32 index)
+{
+    return g_hwiFormCnt[index];
+}
+
+CHAR *OsGetHwiFormName(UINT32 index)
+{
+    return g_hwiFormName[index];
+}
+
+BOOL OsGetHwiCreated(UINT32 index)
+{
+    if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
 typedef struct {
@@ -237,6 +264,9 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     hwiIndex = HwiNumGet();
 
     OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqStart(hwiIndex);
+#endif
 
     HalPreInterruptHandler(hwiIndex);
 
@@ -250,8 +280,16 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     }
 #endif
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    ++g_hwiFormCnt[hwiIndex];
+#endif
+
     HalAftInterruptHandler(hwiIndex);
 
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqEnd(hwiIndex);
+#endif
+
     OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
 
     intSave = LOS_IntLock();
@@ -306,6 +344,14 @@ LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
     (VOID)irqParam;
     OsSetVector(hwiNum, hwiHandler);
 #endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    if ((irqParam != NULL) && (irqParam->pName != NULL)) {
+        g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
+    }
+    g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
+#endif
+
     HwiUnmask((IRQn_Type)hwiNum);
     HwiSetPriority((IRQn_Type)hwiNum, hwiPrio);
 

arch/arm/cortex-m33/gcc/NTZ/los_arch_atomic.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
 #define _LOS_ARCH_ATOMIC_H
 
 #include "los_compiler.h"
+#include "los_interrupt.h"
 
 #ifdef __cplusplus
 #if __cplusplus

arch/arm/cortex-m33/gcc/NTZ/los_interrupt.c

@@ -39,6 +39,9 @@
 #include "los_sched.h"
 #include "los_memory.h"
 #include "los_membox.h"
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+#include "los_cpup.h"
+#endif
 
 #define DEF_HANDLER_START_INDEX 2
 UINT32 g_intCount = 0;
@@ -50,6 +53,30 @@ UINT32 g_intCount = 0;
  */
 STATIC HWI_PROC_FUNC __attribute__((aligned(LOSCFG_ARCH_HWI_VECTOR_ALIGN))) g_hwiForm[OS_VECTOR_CNT] = {0};
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
+STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
+
+UINT32 OsGetHwiFormCnt(UINT32 index)
+{
+    return g_hwiFormCnt[index];
+}
+
+CHAR *OsGetHwiFormName(UINT32 index)
+{
+    return g_hwiFormName[index];
+}
+
+BOOL OsGetHwiCreated(UINT32 index)
+{
+    if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
 typedef struct {
@@ -228,6 +255,9 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     hwiIndex = HwiNumGet();
 
     OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqStart(hwiIndex);
+#endif
 
     HalPreInterruptHandler(hwiIndex);
 
@@ -241,8 +271,16 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     }
 #endif
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    ++g_hwiFormCnt[hwiIndex];
+#endif
+
     HalAftInterruptHandler(hwiIndex);
 
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqEnd(hwiIndex);
+#endif
+
     OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
 
     intSave = LOS_IntLock();
@@ -297,6 +335,14 @@ LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
     (VOID)irqParam;
     OsSetVector(hwiNum, hwiHandler);
 #endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    if ((irqParam != NULL) && (irqParam->pName != NULL)) {
+        g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
+    }
+    g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
+#endif
+
     HwiUnmask((IRQn_Type)hwiNum);
     HwiSetPriority((IRQn_Type)hwiNum, hwiPrio);
 

arch/arm/cortex-m33/gcc/TZ/non_secure/los_arch_atomic.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
 #define _LOS_ARCH_ATOMIC_H
 
 #include "los_compiler.h"
+#include "los_interrupt.h"
 
 #ifdef __cplusplus
 #if __cplusplus

arch/arm/cortex-m33/gcc/TZ/non_secure/los_interrupt.c

@@ -39,6 +39,9 @@
 #include "los_sched.h"
 #include "los_memory.h"
 #include "los_membox.h"
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+#include "los_cpup.h"
+#endif
 
 #define DEF_HANDLER_START_INDEX 2
 UINT32 g_intCount = 0;
@@ -49,6 +52,30 @@ UINT32 g_intCount = 0;
  */
 STATIC HWI_PROC_FUNC __attribute__((aligned(LOSCFG_ARCH_HWI_VECTOR_ALIGN))) g_hwiForm[OS_VECTOR_CNT] = {0};
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
+STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
+
+UINT32 OsGetHwiFormCnt(UINT32 index)
+{
+    return g_hwiFormCnt[index];
+}
+
+CHAR *OsGetHwiFormName(UINT32 index)
+{
+    return g_hwiFormName[index];
+}
+
+BOOL OsGetHwiCreated(UINT32 index)
+{
+    if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
 typedef struct {
@@ -228,6 +255,9 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     hwiIndex = HwiNumGet();
 
     OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqStart(hwiIndex);
+#endif
 
     HalPreInterruptHandler(hwiIndex);
 
@@ -241,8 +271,16 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     }
 #endif
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    ++g_hwiFormCnt[hwiIndex];
+#endif
+
     HalAftInterruptHandler(hwiIndex);
 
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqEnd(hwiIndex);
+#endif
+
     OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
 
     intSave = LOS_IntLock();
@@ -297,6 +335,14 @@ LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
     (VOID)irqParam;
     OsSetVector(hwiNum, hwiHandler);
 #endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    if ((irqParam != NULL) && (irqParam->pName != NULL)) {
+        g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
+    }
+    g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
+#endif
+
     HwiUnmask((IRQn_Type)hwiNum);
     HwiSetPriority((IRQn_Type)hwiNum, hwiPrio);
 

arch/arm/cortex-m33/iar/BUILD.gn

@@ -0,0 +1,37 @@
+# Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//kernel/liteos_m/liteos.gni")
+
+module_group("iar") {
+  if (defined(LOSCFG_SECURE_TRUSTZONE)) {
+    modules = [ "TZ" ]
+  } else {
+    modules = [ "NTZ" ]
+  }
+}

arch/arm/cortex-m33/iar/NTZ/BUILD.gn

@@ -0,0 +1,45 @@
+# Copyright (c) 2022-2022 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//kernel/liteos_m/liteos.gni")
+
+module_name = "arch"
+kernel_module(module_name) {
+  sources = [
+    "los_context.c",
+    "los_dispatch.S",
+    "los_exc.S",
+    "los_interrupt.c",
+    "los_timer.c",
+  ]
+  configs += [ "$LITEOSTOPDIR:warn_config" ]
+}
+
+config("public") {
+  include_dirs = [ "." ]
+}

arch/arm/cortex-m33/iar/NTZ/los_arch_atomic.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
 #define _LOS_ARCH_ATOMIC_H
 
 #include "los_compiler.h"
+#include "los_interrupt.h"
 
 #ifdef __cplusplus
 #if __cplusplus

arch/arm/cortex-m33/iar/NTZ/los_interrupt.c

@@ -40,6 +40,9 @@
 #include "los_sched.h"
 #include "los_memory.h"
 #include "los_membox.h"
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+#include "los_cpup.h"
+#endif
 
 /*lint -save -e40 -e522 -e533*/
 UINT32 g_intCount = 0;
@@ -53,6 +56,30 @@ UINT32 g_intCount = 0;
  */
 STATIC HWI_PROC_FUNC g_hwiForm[OS_VECTOR_CNT] = {0};
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
+STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
+
+UINT32 OsGetHwiFormCnt(UINT32 index)
+{
+    return g_hwiFormCnt[index];
+}
+
+CHAR *OsGetHwiFormName(UINT32 index)
+{
+    return g_hwiFormName[index];
+}
+
+BOOL OsGetHwiCreated(UINT32 index)
+{
+    if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
 typedef struct {
@@ -239,6 +266,9 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     hwiIndex = HwiNumGet();
 
     OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqStart(hwiIndex);
+#endif
 
     HalPreInterruptHandler(hwiIndex);
 
@@ -252,8 +282,16 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     }
 #endif
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    ++g_hwiFormCnt[hwiIndex];
+#endif
+
     HalAftInterruptHandler(hwiIndex);
 
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqEnd(hwiIndex);
+#endif
+
     OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
 
     intSave = LOS_IntLock();
@@ -308,6 +346,14 @@ LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
     (VOID)irqParam;
     OsSetVector(hwiNum, hwiHandler);
 #endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    if ((irqParam != NULL) && (irqParam->pName != NULL)) {
+        g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
+    }
+    g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
+#endif
+
     HwiUnmask((IRQn_Type)hwiNum);
     HwiSetPriority((IRQn_Type)hwiNum, hwiPrio);
 

arch/arm/cortex-m33/iar/TZ/non_secure/los_arch_atomic.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
 #define _LOS_ARCH_ATOMIC_H
 
 #include "los_compiler.h"
+#include "los_interrupt.h"
 
 #ifdef __cplusplus
 #if __cplusplus

arch/arm/cortex-m33/iar/TZ/non_secure/los_interrupt.c

@@ -40,6 +40,9 @@
 #include "los_sched.h"
 #include "los_memory.h"
 #include "los_membox.h"
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+#include "los_cpup.h"
+#endif
 
 /*lint -save -e40 -e522 -e533*/
 UINT32 g_intCount = 0;
@@ -53,6 +56,30 @@ UINT32 g_intCount = 0;
  */
 STATIC HWI_PROC_FUNC g_hwiForm[OS_VECTOR_CNT] = {0};
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
+STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
+
+UINT32 OsGetHwiFormCnt(UINT32 index)
+{
+    return g_hwiFormCnt[index];
+}
+
+CHAR *OsGetHwiFormName(UINT32 index)
+{
+    return g_hwiFormName[index];
+}
+
+BOOL OsGetHwiCreated(UINT32 index)
+{
+    if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
 typedef struct {
@@ -239,6 +266,9 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     hwiIndex = HwiNumGet();
 
     OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqStart(hwiIndex);
+#endif
 
     HalPreInterruptHandler(hwiIndex);
 
@@ -252,8 +282,16 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     }
 #endif
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    ++g_hwiFormCnt[hwiIndex];
+#endif
+
     HalAftInterruptHandler(hwiIndex);
 
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqEnd(hwiIndex);
+#endif
+
     OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
 
     intSave = LOS_IntLock();
@@ -308,6 +346,14 @@ LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
     (VOID)irqParam;
     OsSetVector(hwiNum, hwiHandler);
 #endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    if ((irqParam != NULL) && (irqParam->pName != NULL)) {
+        g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
+    }
+    g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
+#endif
+
     HwiUnmask((IRQn_Type)hwiNum);
     HwiSetPriority((IRQn_Type)hwiNum, hwiPrio);
 

arch/arm/cortex-m33/iar/TZ/secure/los_secure_context.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -63,5 +63,3 @@ extern VOID HalSecureContextSaveAsm(OsSecureContext *secureContext);
 #endif /* __cplusplus */
 
 #endif
-
-

arch/arm/cortex-m4/gcc/los_arch_atomic.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
 #define _LOS_ARCH_ATOMIC_H
 
 #include "los_compiler.h"
+#include "los_interrupt.h"
 
 #ifdef __cplusplus
 #if __cplusplus

arch/arm/cortex-m4/gcc/los_arch_context.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -121,6 +121,29 @@ typedef struct TagTskContext {
  */
 extern VOID HalStartToRun(VOID);
 
+#if (LOSCFG_SECURE == 1)
+/**
+ * @ingroup  los_config
+ * @brief: User Task Stack Initialize.
+ *
+ * @par Description:
+ * This API is used to init a user task stack.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param: context      [IN] Task context.
+ * @param: taskEntry    [IN] Task entry function address.
+ * @param: stack        [IN] Task stack address.
+ *
+ * @retval None.
+ *
+ * @par Dependency: <ul><li>los_config.h: the header file that contains the API declaration.</li></ul>
+ * @see None.
+ */
+extern VOID HalUserTaskStackInit(TaskContext *context, UINTPTR taskEntry, UINTPTR stack);
+#endif
+
 #ifdef __cplusplus
 #if __cplusplus
 }

arch/arm/cortex-m4/gcc/los_context.c

@@ -148,6 +148,15 @@ VOID *ArchSignalContextInit(VOID *stackPointer, VOID *stackTop, UINTPTR sigHandl
     return (VOID *)context;
 }
 
+#if (LOSCFG_SECURE == 1)
+VOID HalUserTaskStackInit(TaskContext *context, UINTPTR taskEntry, UINTPTR stack)
+{
+    context->uwR0 = stack;
+    context->uwPC = (UINT32)taskEntry;
+    context->uwxPSR = 0x01000000L; /* Thumb flag, always set 1 */
+}
+#endif
+
 LITE_OS_SEC_TEXT_INIT UINT32 ArchStartSchedule(VOID)
 {
     (VOID)LOS_IntLock();

arch/arm/cortex-m4/gcc/los_dispatch.S

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -40,6 +40,12 @@
 .equ    OS_NVIC_PENDSV_PRI,          0xF0F00000
 .equ    OS_NVIC_PENDSVSET,           0x10000000
 .equ    OS_TASK_STATUS_RUNNING,      0x0010
+.equ    OS_CONTROL_FPCA_ENABLE,      0x4
+.equ    OS_CONTROL_KERNEL_MODE,      0x2
+#if (LOSCFG_SECURE == 1)
+.equ    OS_CONTROL_USER_MODE,        0x3
+.equ    OS_TASK_FLAG_USER_TASK,      0x0200
+#endif
 
     .section .text
     .thumb
@@ -63,7 +69,7 @@ HalStartToRun:
     ldr     r5, =OS_NVIC_PENDSV_PRI
     str     r5, [r4]
 
-    mov     r0, #2
+    mov     r0, #OS_CONTROL_KERNEL_MODE
     msr     CONTROL, r0
 
     ldr     r1, =g_losTask
@@ -141,7 +147,7 @@ ArchTaskSchedule:
     bx      lr
     dsb
     isb
-   .fnend
+    .fnend
 
     .type HalPendSV, %function
     .global HalPendSV
@@ -194,6 +200,14 @@ SignalContextRestore:
     vldmia  r1!, {d8-d15}
 
 __DisabledFPU2:
+#if (LOSCFG_SECURE == 1)
+    ldrh    r7, [r0, #4]
+    tst     r7, #OS_TASK_FLAG_USER_TASK
+    ite     eq
+    moveq   r3, #OS_CONTROL_KERNEL_MODE
+    movne   r3, #OS_CONTROL_USER_MODE
+    msr     CONTROL, r3
+#endif
     ldmfd   r1!, {r4-r12}
     msr     psp,  r1
 

arch/arm/cortex-m4/gcc/los_exc.S

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -57,15 +57,15 @@
 
 .equ FLAG_ADDR_VALID,   0x10000
 .equ FLAG_HWI_ACTIVE,   0x20000
-.equ FLAG_NO_FLOAT,   0x10000000
+.equ FLAG_NO_FLOAT,     0x10000000
 
-.equ OS_NVIC_FSR                 ,   0xE000ED28      //include BusFault/MemFault/UsageFault State Register
-.equ OS_NVIC_HFSR                ,   0xE000ED2C      //HardFault State Register
-.equ OS_NVIC_BFAR                ,   0xE000ED38
-.equ OS_NVIC_MMAR                ,   0xE000ED34
-.equ OS_NVIC_ACT_BASE            ,   0xE000E300
-.equ OS_NVIC_SHCSRS              ,   0xE000ED24
-.equ OS_NVIC_SHCSR_MASK          ,   0xC00
+.equ OS_NVIC_FSR,           0xE000ED28      //include BusFault/MemFault/UsageFault State Register
+.equ OS_NVIC_HFSR,          0xE000ED2C      //HardFault State Register
+.equ OS_NVIC_BFAR,          0xE000ED38
+.equ OS_NVIC_MMAR,          0xE000ED34
+.equ OS_NVIC_ACT_BASE,      0xE000E300
+.equ OS_NVIC_SHCSRS,        0xE000ED24
+.equ OS_NVIC_SHCSR_MASK,    0xC00
 
     .type HalExcNMI, %function
     .global HalExcNMI
@@ -155,10 +155,25 @@ HalExcSvcCall:
     .cantunwind
     TST   LR, #0x4
     ITE   EQ
-    MRSEQ R0, MSP
-    MRSNE R0, PSP
-    LDR   R1, [R0,#24]
-    LDRB  R0, [R1,#-2]
+    MRSEQ R1, MSP
+    BNE   _svcCallFromPsp
+    B     _svcCall
+_svcCallFromPsp:
+#ifdef LOSCFG_SECURE
+    PUSH  {R0-R12, LR}
+    MOV   R0, SP
+    CPSIE I
+    BL    OsSyscallHandle
+    CPSID I
+    MRS   R12, PSP
+    STM   R12, {R0-R1}
+    POP   {R0-R12, LR}
+    BX    LR
+#endif
+    MRS   R1, PSP
+_svcCall:
+    LDR   R0, [R1,#24]
+    LDRB  R0, [R0,#-2]
     MOV   R1, #0
     B     osExcDispatch
     .fnend
@@ -284,7 +299,7 @@ _ExcInMSP:
     PUSH {R4-R12}                       // store message-->exc: {R4-R12}
     VPUSH {D8-D15}                      // FPU
     B     _handleEntry
-  .fnend
+    .fnend
 
     .type _NoFloatInMsp, %function
     .global _NoFloatInMsp
@@ -298,7 +313,7 @@ _NoFloatInMsp:
     PUSH {R4-R12}                        // store message-->exc: {R4-R12}
     ORR   R0, R0, #FLAG_NO_FLOAT
     B     _handleEntry
-  .fnend
+    .fnend
 
     .type _hwiActiveCheckNext, %function
     .global _hwiActiveCheckNext
@@ -347,7 +362,7 @@ _hwiActiveCheckNext:
     VSTMDB  R2!, {D8-D15}               // FPU
     STMFD R2!, {R4-R11}
     B     _handleEntry
-  .fnend
+    .fnend
 
     .type _NoFloatInPsp, %function
     .global _NoFloatInPsp
@@ -367,7 +382,7 @@ _NoFloatInPsp:
     LDMFD R3, {R4-R11}                  // R4-R11 store PSP reg(auto push when exc in task)
     STMFD R2!, {R4-R11}
     ORR   R0, R0, #FLAG_NO_FLOAT
-  .fnend
+    .fnend
 
     .type _handleEntry, %function
     .global _handleEntry
@@ -380,4 +395,4 @@ _handleEntry:
     B  HalExcHandleEntry
 
     NOP
-  .fnend
+    .fnend

arch/arm/cortex-m4/gcc/los_interrupt.c

@@ -39,6 +39,9 @@
 #include "los_sched.h"
 #include "los_memory.h"
 #include "los_membox.h"
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+#include "los_cpup.h"
+#endif
 
 UINT32 g_intCount = 0;
 
@@ -48,6 +51,30 @@ UINT32 g_intCount = 0;
  */
 STATIC HWI_PROC_FUNC __attribute__((aligned(LOSCFG_ARCH_HWI_VECTOR_ALIGN))) g_hwiForm[OS_VECTOR_CNT] = {0};
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
+STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
+
+UINT32 OsGetHwiFormCnt(UINT32 index)
+{
+    return g_hwiFormCnt[index];
+}
+
+CHAR *OsGetHwiFormName(UINT32 index)
+{
+    return g_hwiFormName[index];
+}
+
+BOOL OsGetHwiCreated(UINT32 index)
+{
+    if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
 typedef struct {
@@ -231,6 +258,9 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     hwiIndex = HwiNumGet();
 
     OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqStart(hwiIndex);
+#endif
 
     HalPreInterruptHandler(hwiIndex);
 
@@ -244,8 +274,16 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     }
 #endif
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    ++g_hwiFormCnt[hwiIndex];
+#endif
+
     HalAftInterruptHandler(hwiIndex);
 
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqEnd(hwiIndex);
+#endif
+
     OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
 
     intSave = LOS_IntLock();
@@ -300,6 +338,14 @@ LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
     (VOID)irqParam;
     OsSetVector(hwiNum, hwiHandler);
 #endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    if ((irqParam != NULL) && (irqParam->pName != NULL)) {
+        g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
+    }
+    g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
+#endif
+
     HwiUnmask((IRQn_Type)hwiNum);
     HwiSetPriority((IRQn_Type)hwiNum, hwiPrio);
 

arch/arm/cortex-m4/iar/los_arch_atomic.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
 #define _LOS_ARCH_ATOMIC_H
 
 #include "los_compiler.h"
+#include "los_interrupt.h"
 
 #ifdef __cplusplus
 #if __cplusplus

arch/arm/cortex-m4/iar/los_interrupt.c

@@ -40,6 +40,9 @@
 #include "los_sched.h"
 #include "los_memory.h"
 #include "los_membox.h"
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+#include "los_cpup.h"
+#endif
 
 UINT32 g_intCount = 0;
 
@@ -55,6 +58,30 @@ LITE_OS_SEC_VEC
  */
 STATIC HWI_PROC_FUNC g_hwiForm[OS_VECTOR_CNT] = {0};
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
+STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
+
+UINT32 OsGetHwiFormCnt(UINT32 index)
+{
+    return g_hwiFormCnt[index];
+}
+
+CHAR *OsGetHwiFormName(UINT32 index)
+{
+    return g_hwiFormName[index];
+}
+
+BOOL OsGetHwiCreated(UINT32 index)
+{
+    if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
 typedef struct {
@@ -239,6 +266,9 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     hwiIndex = HwiNumGet();
 
     OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqStart(hwiIndex);
+#endif
 
     HalPreInterruptHandler(hwiIndex);
 
@@ -252,8 +282,16 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     }
 #endif
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    ++g_hwiFormCnt[hwiIndex];
+#endif
+
     HalAftInterruptHandler(hwiIndex);
 
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqEnd(hwiIndex);
+#endif
+
     OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
 
     intSave = LOS_IntLock();
@@ -308,6 +346,14 @@ LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
     (VOID)irqParam;
     OsSetVector(hwiNum, hwiHandler);
 #endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    if ((irqParam != NULL) && (irqParam->pName != NULL)) {
+        g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
+    }
+    g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
+#endif
+
     HwiUnmask((IRQn_Type)hwiNum);
     HwiSetPriority((IRQn_Type)hwiNum, hwiPrio);
 

arch/arm/cortex-m55/gcc/NTZ/los_arch_atomic.h

@@ -32,6 +32,7 @@
 #define _LOS_ARCH_ATOMIC_H
 
 #include "los_compiler.h"
+#include "los_interrupt.h"
 
 #ifdef __cplusplus
 #if __cplusplus

arch/arm/cortex-m55/gcc/NTZ/los_interrupt.c

@@ -38,6 +38,9 @@
 #include "los_sched.h"
 #include "los_memory.h"
 #include "los_membox.h"
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+#include "los_cpup.h"
+#endif
 
 #define DEF_HANDLER_START_INDEX 2
 UINT32 g_intCount = 0;
@@ -49,6 +52,30 @@ UINT32 g_intCount = 0;
  */
 STATIC HWI_PROC_FUNC __attribute__((aligned(LOSCFG_ARCH_HWI_VECTOR_ALIGN))) g_hwiForm[OS_VECTOR_CNT] = {0};
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
+STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
+
+UINT32 OsGetHwiFormCnt(UINT32 index)
+{
+    return g_hwiFormCnt[index];
+}
+
+CHAR *OsGetHwiFormName(UINT32 index)
+{
+    return g_hwiFormName[index];
+}
+
+BOOL OsGetHwiCreated(UINT32 index)
+{
+    if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
 typedef struct {
@@ -232,6 +259,9 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     hwiIndex = HwiNumGet();
 
     OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqStart(hwiIndex);
+#endif
 
     HalPreInterruptHandler(hwiIndex);
 
@@ -245,8 +275,16 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     }
 #endif
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    ++g_hwiFormCnt[hwiIndex];
+#endif
+
     HalAftInterruptHandler(hwiIndex);
 
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqEnd(hwiIndex);
+#endif
+
     OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
 
     intSave = LOS_IntLock();
@@ -301,6 +339,14 @@ LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
     (VOID)irqParam;
     OsSetVector(hwiNum, hwiHandler);
 #endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    if ((irqParam != NULL) && (irqParam->pName != NULL)) {
+        g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
+    }
+    g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
+#endif
+
     HwiUnmask((IRQn_Type)hwiNum);
     HwiSetPriority((IRQn_Type)hwiNum, hwiPrio);
 

arch/arm/cortex-m55/gcc/TZ/BUILD.gn

@@ -0,0 +1,52 @@
+# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//kernel/liteos_m/liteos.gni")
+
+module_name = "arch"
+kernel_module(module_name) {
+  sources = [
+    "non_secure/los_context.c",
+    "non_secure/los_dispatch.S",
+    "non_secure/los_exc.S",
+    "non_secure/los_interrupt.c",
+    "non_secure/los_timer.c",
+    "non_secure/los_trustzone.c",
+  ]
+  configs += [ "$LITEOSTOPDIR:warn_config" ]
+
+  include_dirs = [
+    "non_secure",
+    "secure",
+  ]
+}
+
+config("public") {
+  include_dirs = [ "non_secure" ]
+}

arch/arm/cortex-m55/gcc/TZ/non_secure/los_arch_atomic.h

@@ -0,0 +1,297 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_ARCH_ATOMIC_H
+#define _LOS_ARCH_ATOMIC_H
+
+#include "los_compiler.h"
+#include "los_interrupt.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+STATIC INLINE INT32 ArchAtomicRead(const Atomic *v)
+{
+    INT32 val;
+
+    __asm__ __volatile__("ldrex %0, [%1]\n"
+                         : "=&r"(val)
+                         : "r"(v)
+                         : "cc");
+
+    return val;
+}
+
+STATIC INLINE VOID ArchAtomicSet(Atomic *v, INT32 setVal)
+{
+    UINT32 status;
+
+    do {
+        __asm__ __volatile__("ldrex %0, [%1]\n"
+                             "strex %0, %2, [%1]\n"
+                             : "=&r"(status)
+                             : "r"(v), "r"(setVal)
+                             : "cc");
+    } while (__builtin_expect(status != 0, 0));
+}
+
+STATIC INLINE INT32 ArchAtomicAdd(Atomic *v, INT32 addVal)
+{
+    INT32 val;
+    UINT32 status;
+
+    do {
+        __asm__ __volatile__("ldrex %1, [%2]\n"
+                             "add %1, %1, %3\n"
+                             "strex %0, %1, [%2]"
+                             : "=&r"(status), "=&r"(val)
+                             : "r"(v), "r"(addVal)
+                             : "cc");
+    } while (__builtin_expect(status != 0, 0));
+
+    return val;
+}
+
+STATIC INLINE INT32 ArchAtomicSub(Atomic *v, INT32 subVal)
+{
+    INT32 val;
+    UINT32 status;
+
+    do {
+        __asm__ __volatile__("ldrex %1, [%2]\n"
+                             "sub %1, %1, %3\n"
+                             "strex %0, %1, [%2]"
+                             : "=&r"(status), "=&r"(val)
+                             : "r"(v), "r"(subVal)
+                             : "cc");
+    } while (__builtin_expect(status != 0, 0));
+
+    return val;
+}
+
+STATIC INLINE VOID ArchAtomicInc(Atomic *v)
+{
+    (VOID)ArchAtomicAdd(v, 1);
+}
+
+STATIC INLINE VOID ArchAtomicDec(Atomic *v)
+{
+    (VOID)ArchAtomicSub(v, 1);
+}
+
+STATIC INLINE INT32 ArchAtomicIncRet(Atomic *v)
+{
+    return ArchAtomicAdd(v, 1);
+}
+
+STATIC INLINE INT32 ArchAtomicDecRet(Atomic *v)
+{
+    return ArchAtomicSub(v, 1);
+}
+
+/**
+ * @ingroup  los_arch_atomic
+ * @brief Atomic exchange for 32-bit variable.
+ *
+ * @par Description:
+ * This API is used to implement the atomic exchange for 32-bit variable
+ * and return the previous value of the atomic variable.
+ * @attention
+ * <ul>The pointer v must not be NULL.</ul>
+ *
+ * @param  v       [IN] The variable pointer.
+ * @param  val     [IN] The exchange value.
+ *
+ * @retval #INT32       The previous value of the atomic variable
+ * @par Dependency:
+ * <ul><li>los_arch_atomic.h: the header file that contains the API declaration.</li></ul>
+ * @see
+ */
+STATIC INLINE INT32 ArchAtomicXchg32bits(volatile INT32 *v, INT32 val)
+{
+    INT32 prevVal = 0;
+    UINT32 status = 0;
+
+    do {
+        __asm__ __volatile__("ldrex %0, [%3]\n"
+                             "strex %1, %4, [%3]"
+                             : "=&r"(prevVal), "=&r"(status), "+m"(*v)
+                             : "r"(v), "r"(val)
+                             : "cc");
+    } while (__builtin_expect(status != 0, 0));
+
+    return prevVal;
+}
+
+/**
+ * @ingroup  los_arch_atomic
+ * @brief Atomic exchange for 32-bit variable with compare.
+ *
+ * @par Description:
+ * This API is used to implement the atomic exchange for 32-bit variable, if the value of variable is equal to oldVal.
+ * @attention
+ * <ul>The pointer v must not be NULL.</ul>
+ *
+ * @param  v       [IN] The variable pointer.
+ * @param  val     [IN] The new value.
+ * @param  oldVal  [IN] The old value.
+ *
+ * @retval TRUE  The previous value of the atomic variable is not equal to oldVal.
+ * @retval FALSE The previous value of the atomic variable is equal to oldVal.
+ * @par Dependency:
+ * <ul><li>los_arch_atomic.h: the header file that contains the API declaration.</li></ul>
+ * @see
+ */
+STATIC INLINE BOOL ArchAtomicCmpXchg32bits(volatile INT32 *v, INT32 val, INT32 oldVal)
+{
+    INT32 prevVal = 0;
+    UINT32 status = 0;
+
+    do {
+        __asm__ __volatile__("ldrex %0, %2\n"
+                             "mov %1, #0\n"
+                             "cmp %0, %3\n"
+                             "bne 1f\n"
+                             "strex %1, %4, %2\n"
+                             "1:"
+                             : "=&r"(prevVal), "=&r"(status), "+Q"(*v)
+                             : "r"(oldVal), "r"(val)
+                             : "cc");
+    } while (__builtin_expect(status != 0, 0));
+
+    return prevVal != oldVal;
+}
+
+STATIC INLINE INT64 ArchAtomic64Read(const Atomic64 *v)
+{
+    INT64 val;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    val = *v;
+    LOS_IntRestore(intSave);
+
+    return val;
+}
+
+STATIC INLINE VOID ArchAtomic64Set(Atomic64 *v, INT64 setVal)
+{
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    *v = setVal;
+    LOS_IntRestore(intSave);
+}
+
+STATIC INLINE INT64 ArchAtomic64Add(Atomic64 *v, INT64 addVal)
+{
+    INT64 val;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    *v += addVal;
+    val = *v;
+    LOS_IntRestore(intSave);
+
+    return val;
+}
+
+STATIC INLINE INT64 ArchAtomic64Sub(Atomic64 *v, INT64 subVal)
+{
+    INT64 val;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    *v -= subVal;
+    val = *v;
+    LOS_IntRestore(intSave);
+
+    return val;
+}
+
+STATIC INLINE VOID ArchAtomic64Inc(Atomic64 *v)
+{
+    (VOID)ArchAtomic64Add(v, 1);
+}
+
+STATIC INLINE INT64 ArchAtomic64IncRet(Atomic64 *v)
+{
+    return ArchAtomic64Add(v, 1);
+}
+
+STATIC INLINE VOID ArchAtomic64Dec(Atomic64 *v)
+{
+    (VOID)ArchAtomic64Sub(v, 1);
+}
+
+STATIC INLINE INT64 ArchAtomic64DecRet(Atomic64 *v)
+{
+    return ArchAtomic64Sub(v, 1);
+}
+
+STATIC INLINE INT64 ArchAtomicXchg64bits(Atomic64 *v, INT64 val)
+{
+    INT64 prevVal;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    prevVal = *v;
+    *v = val;
+    LOS_IntRestore(intSave);
+
+    return prevVal;
+}
+
+STATIC INLINE BOOL ArchAtomicCmpXchg64bits(Atomic64 *v, INT64 val, INT64 oldVal)
+{
+    INT64 prevVal;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    prevVal = *v;
+    if (prevVal == oldVal) {
+        *v = val;
+    }
+    LOS_IntRestore(intSave);
+
+    return prevVal != oldVal;
+}
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_ARCH_ATOMIC_H */

arch/arm/cortex-m55/gcc/TZ/non_secure/los_arch_context.h

@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_ARCH_CONTEXT_H
+#define _LOS_ARCH_CONTEXT_H
+
+#include "los_config.h"
+#include "los_compiler.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+typedef struct TagTskContext {
+    UINT32 secureContext;
+    UINT32 stackLimit;
+    UINT32 excReturn;
+#if ((defined(__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined(__FPU_USED) && (__FPU_USED == 1U)))
+    UINT32 S16;
+    UINT32 S17;
+    UINT32 S18;
+    UINT32 S19;
+    UINT32 S20;
+    UINT32 S21;
+    UINT32 S22;
+    UINT32 S23;
+    UINT32 S24;
+    UINT32 S25;
+    UINT32 S26;
+    UINT32 S27;
+    UINT32 S28;
+    UINT32 S29;
+    UINT32 S30;
+    UINT32 S31;
+#endif
+    UINT32 uwR4;
+    UINT32 uwR5;
+    UINT32 uwR6;
+    UINT32 uwR7;
+    UINT32 uwR8;
+    UINT32 uwR9;
+    UINT32 uwR10;
+    UINT32 uwR11;
+    UINT32 uwPriMask;
+    UINT32 uwR0;
+    UINT32 uwR1;
+    UINT32 uwR2;
+    UINT32 uwR3;
+    UINT32 uwR12;
+    UINT32 uwLR;
+    UINT32 uwPC;
+    UINT32 uwxPSR;
+#if ((defined(__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined(__FPU_USED) && (__FPU_USED == 1U)))
+    UINT32 S0;
+    UINT32 S1;
+    UINT32 S2;
+    UINT32 S3;
+    UINT32 S4;
+    UINT32 S5;
+    UINT32 S6;
+    UINT32 S7;
+    UINT32 S8;
+    UINT32 S9;
+    UINT32 S10;
+    UINT32 S11;
+    UINT32 S12;
+    UINT32 S13;
+    UINT32 S14;
+    UINT32 S15;
+    UINT32 FPSCR;
+    UINT32 NO_NAME;
+#endif
+} TaskContext;
+
+/**
+ * @ingroup  los_config
+ * @brief: Task start running function.
+ *
+ * @par Description:
+ * This API is used to start a task.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param: None.
+ *
+ * @retval None.
+ *
+ * @par Dependency:
+ * <ul><li>los_config.h: the header file that contains the API declaration.</li></ul>
+ * @see None.
+ */
+extern VOID HalStartToRun(VOID);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_ARCH_CONTEXT_H */

arch/arm/cortex-m55/gcc/TZ/non_secure/los_arch_interrupt.h

@@ -0,0 +1,683 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_ARCH_INTERRUPT_H
+#define _LOS_ARCH_INTERRUPT_H
+
+#include "los_config.h"
+#include "los_compiler.h"
+#include "los_interrupt.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Maximum number of used hardware interrupts.
+ */
+#ifndef OS_HWI_MAX_NUM
+#define OS_HWI_MAX_NUM                        LOSCFG_PLATFORM_HWI_LIMIT
+#endif
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Highest priority of a hardware interrupt.
+ */
+#ifndef OS_HWI_PRIO_HIGHEST
+#define OS_HWI_PRIO_HIGHEST                   0
+#endif
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Lowest priority of a hardware interrupt.
+ */
+#ifndef OS_HWI_PRIO_LOWEST
+#define OS_HWI_PRIO_LOWEST                    7
+#endif
+
+
+/* *
+ * @ingroup  los_arch_interrupt
+ * Define the type of a hardware interrupt vector table function.
+ */
+typedef VOID (**HWI_VECTOR_FUNC)(void);
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Count of interrupts.
+ */
+extern UINT32 g_intCount;
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Count of M-Core system interrupt vector.
+ */
+#define OS_SYS_VECTOR_CNT                     16
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Count of M-Core interrupt vector.
+ */
+#define OS_VECTOR_CNT                         (OS_SYS_VECTOR_CNT + OS_HWI_MAX_NUM)
+
+/* *
+ * @ingroup los_arch_interrupt
+ * AIRCR register priority group parameter .
+ */
+#define OS_NVIC_AIRCR_PRIGROUP                7
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Boot interrupt vector table.
+ */
+extern UINT32 _BootVectors[];
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Hardware interrupt error code: Invalid interrupt number.
+ *
+ * Value: 0x02000900
+ *
+ * Solution: Ensure that the interrupt number is valid.
+ * The value range of the interrupt number applicable for a Cortex-M33 platform is [OS_USER_HWI_MIN,OS_USER_HWI_MAX].
+ */
+#define OS_ERRNO_HWI_NUM_INVALID              LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x00)
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Hardware interrupt error code: Null hardware interrupt handling function.
+ *
+ * Value: 0x02000901
+ *
+ * Solution: Pass in a valid non-null hardware interrupt handling function.
+ */
+#define OS_ERRNO_HWI_PROC_FUNC_NULL           LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x01)
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Hardware interrupt error code: Insufficient interrupt resources for hardware interrupt creation.
+ *
+ * Value: 0x02000902
+ *
+ * Solution: Increase the configured maximum number of supported hardware interrupts.
+ */
+#define OS_ERRNO_HWI_CB_UNAVAILABLE           LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x02)
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Hardware interrupt error code: Insufficient memory for hardware interrupt initialization.
+ *
+ * Value: 0x02000903
+ *
+ * Solution: Expand the configured memory.
+ */
+#define OS_ERRNO_HWI_NO_MEMORY                LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x03)
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Hardware interrupt error code: The interrupt has already been created.
+ *
+ * Value: 0x02000904
+ *
+ * Solution: Check whether the interrupt specified by the passed-in interrupt number has already been created.
+ */
+#define OS_ERRNO_HWI_ALREADY_CREATED          LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x04)
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Hardware interrupt error code: Invalid interrupt priority.
+ *
+ * Value: 0x02000905
+ *
+ * Solution: Ensure that the interrupt priority is valid.
+ * The value range of the interrupt priority applicable for a Cortex-M33 platform is [0,15].
+ */
+#define OS_ERRNO_HWI_PRIO_INVALID             LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x05)
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Hardware interrupt error code: Incorrect interrupt creation mode.
+ *
+ * Value: 0x02000906
+ *
+ * Solution: The interrupt creation mode can be only set to OS_HWI_MODE_COMM or
+ * OS_HWI_MODE_FAST of which the value can be 0 or 1.
+ */
+#define OS_ERRNO_HWI_MODE_INVALID             LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x06)
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Hardware interrupt error code: The interrupt has already been created as a fast interrupt.
+ *
+ * Value: 0x02000907
+ *
+ * Solution: Check whether the interrupt specified by the passed-in interrupt number has already been created.
+ */
+#define OS_ERRNO_HWI_FASTMODE_ALREADY_CREATED LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x07)
+
+/* *
+ * @ingroup los_arch_interrupt
+ * SysTick control and status register.
+ */
+#define OS_SYSTICK_CONTROL_REG                0xE000E010
+
+/* *
+ * @ingroup los_hw
+ * SysTick current value register.
+ */
+#define OS_SYSTICK_CURRENT_REG                0xE000E018
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt Priority-Level Registers.
+ */
+#define OS_NVIC_PRI_BASE                      0xE000E400
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt enable register for 0-31.
+ */
+#define OS_NVIC_SETENA_BASE                   0xE000E100
+
+/* *
+ * @ingroup los_arch_interrupt
+ * interrupt pending register.
+ */
+#define OS_NVIC_SETPEND_BASE                  0xE000E200
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt active register.
+ */
+#define OS_NVIC_INT_ACT_BASE                  0xE000E300
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt disable register for 0-31.
+ */
+#define OS_NVIC_CLRENA_BASE                   0xE000E180
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt control and status register.
+ */
+#define OS_NVIC_INT_CTRL                      0xE000ED04
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Vector table offset register.
+ */
+#define OS_NVIC_VTOR                          0xE000ED08
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Application interrupt and reset control register
+ */
+#define OS_NVIC_AIRCR                         0xE000ED0C
+
+/* *
+ * @ingroup los_arch_interrupt
+ * System exception priority register.
+ */
+#define OS_NVIC_EXCPRI_BASE                   0xE000ED18
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt No. 1 :reset.
+ */
+#define OS_EXC_RESET                          1
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt No. 2 :Non-Maskable Interrupt.
+ */
+#define OS_EXC_NMI                            2
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt No. 3 :(hard)fault.
+ */
+#define OS_EXC_HARD_FAULT                     3
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt No. 4 :MemManage fault.
+ */
+#define OS_EXC_MPU_FAULT                      4
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt No. 5 :Bus fault.
+ */
+#define OS_EXC_BUS_FAULT                      5
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt No. 6 :Usage fault.
+ */
+#define OS_EXC_USAGE_FAULT                    6
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt No. 11 :SVCall.
+ */
+#define OS_EXC_SVC_CALL                       11
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt No. 12 :Debug monitor.
+ */
+#define OS_EXC_DBG_MONITOR                    12
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt No. 14 :PendSV.
+ */
+#define OS_EXC_PEND_SV                        14
+
+/* *
+ * @ingroup los_arch_interrupt
+ * Interrupt No. 15 :SysTick.
+ */
+#define OS_EXC_SYS_TICK                       15
+
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+/* *
+ * @ingroup los_arch_interrupt
+ * Set interrupt vector table.
+ */
+extern VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector, VOID *arg);
+#else
+/* *
+ * @ingroup los_arch_interrupt
+ * Set interrupt vector table.
+ */
+extern VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector);
+#endif
+
+/* *
+ * @ingroup  los_arch_interrupt
+ * @brief: Hardware interrupt entry function.
+ *
+ * @par Description:
+ * This API is used as all hardware interrupt handling function entry.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param:None.
+ *
+ * @retval:None.
+ * @par Dependency:
+ * <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
+ * @see None.
+ */
+extern VOID HalInterrupt(VOID);
+
+/* *
+ * @ingroup  los_arch_interrupt
+ * @brief: Default vector handling function.
+ *
+ * @par Description:
+ * This API is used to configure interrupt for null function.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param:None.
+ *
+ * @retval:None.
+ * @par Dependency:
+ * <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
+ * @see None.
+ */
+extern VOID HalHwiDefaultHandler(VOID);
+
+/* *
+ * @ingroup  los_arch_interrupt
+ * @brief: Reset the vector table.
+ *
+ * @par Description:
+ * This API is used to reset the vector table.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param:None.
+ *
+ * @retval:None.
+ * @par Dependency:
+ * <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
+ * @see None.
+ */
+extern VOID Reset_Handler(VOID);
+
+/* *
+ * @ingroup  los_arch_interrupt
+ * @brief: Pended System Call.
+ *
+ * @par Description:
+ * PendSV can be pended and is useful for an OS to pend an exception
+ * so that an action can be performed after other important tasks are completed.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param:None.
+ *
+ * @retval:None.
+ * @par Dependency:
+ * <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
+ * @see None.
+ */
+extern VOID HalPendSV(VOID);
+
+
+#define OS_EXC_IN_INIT                      0
+#define OS_EXC_IN_TASK                      1
+#define OS_EXC_IN_HWI                       2
+
+#define OS_EXC_MAX_BUF_LEN                  25
+#define OS_EXC_MAX_NEST_DEPTH               1
+
+#define OS_NVIC_SHCSR                       0xE000ED24
+#define OS_NVIC_CCR                         0xE000ED14
+
+#define OS_NVIC_INT_ENABLE_SIZE             0x20
+#define OS_NVIC_INT_PRI_SIZE                0xF0
+#define OS_NVIC_EXCPRI_SIZE                 0xC
+#define OS_NVIC_INT_CTRL_SIZE               4
+#define OS_NVIC_SHCSR_SIZE                  4
+
+#define OS_NVIC_INT_PEND_SIZE               OS_NVIC_INT_ACT_SIZE
+#define OS_NVIC_INT_ACT_SIZE                OS_NVIC_INT_ENABLE_SIZE
+
+#define OS_EXC_FLAG_NO_FLOAT                0x10000000
+#define OS_EXC_FLAG_FAULTADDR_VALID         0x01
+#define OS_EXC_FLAG_IN_HWI                  0x02
+
+#define OS_EXC_IMPRECISE_ACCESS_ADDR        0xABABABAB
+
+#define OS_EXC_EVENT                        0x00000001
+
+/**
+ * @ingroup los_exc
+ * the struct of register files
+ *
+ * description: the register files that saved when exception triggered
+ *
+ * notes:the following register with prefix 'uw'  correspond to the registers in the cpu  data sheet.
+ */
+typedef struct TagExcContext {
+#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined (__FPU_USED   ) && (__FPU_USED    == 1U))     )
+    UINT32 S16;
+    UINT32 S17;
+    UINT32 S18;
+    UINT32 S19;
+    UINT32 S20;
+    UINT32 S21;
+    UINT32 S22;
+    UINT32 S23;
+    UINT32 S24;
+    UINT32 S25;
+    UINT32 S26;
+    UINT32 S27;
+    UINT32 S28;
+    UINT32 S29;
+    UINT32 S30;
+    UINT32 S31;
+#endif
+    UINT32 uwR4;
+    UINT32 uwR5;
+    UINT32 uwR6;
+    UINT32 uwR7;
+    UINT32 uwR8;
+    UINT32 uwR9;
+    UINT32 uwR10;
+    UINT32 uwR11;
+    UINT32 uwPriMask;
+    /* auto save */
+    UINT32 uwSP;
+    UINT32 uwR0;
+    UINT32 uwR1;
+    UINT32 uwR2;
+    UINT32 uwR3;
+    UINT32 uwR12;
+    UINT32 uwLR;
+    UINT32 uwPC;
+    UINT32 uwxPSR;
+#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined (__FPU_USED) && (__FPU_USED== 1U)))
+    UINT32 S0;
+    UINT32 S1;
+    UINT32 S2;
+    UINT32 S3;
+    UINT32 S4;
+    UINT32 S5;
+    UINT32 S6;
+    UINT32 S7;
+    UINT32 S8;
+    UINT32 S9;
+    UINT32 S10;
+    UINT32 S11;
+    UINT32 S12;
+    UINT32 S13;
+    UINT32 S14;
+    UINT32 S15;
+    UINT32 FPSCR;
+    UINT32 NO_NAME;
+#endif
+} EXC_CONTEXT_S;
+
+typedef VOID (*EXC_PROC_FUNC)(UINT32, EXC_CONTEXT_S *);
+VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr);
+
+VOID HalExcNMI(VOID);
+VOID HalExcHardFault(VOID);
+VOID HalExcMemFault(VOID);
+VOID HalExcBusFault(VOID);
+VOID HalExcUsageFault(VOID);
+VOID HalSVCHandler(VOID);
+VOID HalHwiInit(VOID);
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: An error occurred while the bus status register was being pushed.
+ */
+#define OS_EXC_BF_STKERR           1
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: An error occurred while the bus status register was out of the stack.
+ */
+#define OS_EXC_BF_UNSTKERR         2
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Bus status register imprecise data access violation.
+ */
+#define OS_EXC_BF_IMPRECISERR      3
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Bus status register exact data access violation.
+ */
+#define OS_EXC_BF_PRECISERR        4
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Bus status register access violation while pointing.
+ */
+#define OS_EXC_BF_IBUSERR          5
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: An error occurred while the memory management status register was being pushed.
+ */
+#define OS_EXC_MF_MSTKERR          6
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: An error occurred while the memory management status register was out of the stack.
+ */
+#define OS_EXC_MF_MUNSTKERR        7
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Memory management status register data access violation.
+ */
+#define OS_EXC_MF_DACCVIOL         8
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Memory management status register access violation.
+ */
+#define OS_EXC_MF_IACCVIOL         9
+
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Incorrect usage indicating that the divisor is zero during the division operation.
+ */
+#define OS_EXC_UF_DIVBYZERO        10
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Usage error, error caused by unaligned access.
+ */
+#define OS_EXC_UF_UNALIGNED        11
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Incorrect usage attempting to execute coprocessor related instruction.
+ */
+#define OS_EXC_UF_NOCP             12
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Usage error attempting to load EXC_RETURN to PC illegally on exception return.
+ */
+#define OS_EXC_UF_INVPC            13
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Incorrect usage, attempting to cut to ARM state.
+ */
+#define OS_EXC_UF_INVSTATE         14
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Incorrect usage. Executed instruction whose code is undefined.
+ */
+#define OS_EXC_UF_UNDEFINSTR       15
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: NMI
+ */
+
+#define OS_EXC_CAUSE_NMI           16
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: hard fault
+ */
+#define OS_EXC_CAUSE_HARDFAULT     17
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: The task handler exits.
+ */
+#define OS_EXC_CAUSE_TASK_EXIT     18
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: A fatal error.
+ */
+#define OS_EXC_CAUSE_FATAL_ERR     19
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Hard Fault caused by a debug event.
+ */
+#define OS_EXC_CAUSE_DEBUGEVT      20
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: A hard fault that occurs when a quantity is oriented.
+ */
+#define OS_EXC_CAUSE_VECTBL        21
+
+/**
+ * @ingroup los_exc
+ * Exception information structure
+ *
+ * Description: Exception information saved when an exception is triggered on the Cortex-M33 platform.
+ *
+ */
+typedef struct TagExcInfo {
+    /**< Exception occurrence phase: 0 means that an exception occurs in initialization,
+     * 1 means that an exception occurs in a task, and 2 means that an exception occurs in an interrupt */
+    UINT16 phase;
+    /**< Exception type. When exceptions occur, check the numbers 1 - 21 listed above */
+    UINT16 type;
+    /**< If the exact address access error indicates the wrong access address when the exception occurred */
+    UINT32 faultAddr;
+    /**< An exception occurs in an interrupt, indicating the interrupt number.
+     * An exception occurs in the task, indicating the task ID, or 0xFFFFFFFF if it occurs during initialization */
+    UINT32 thrdPid;
+    /**< Number of nested exceptions. Currently only registered hook functions are supported
+     * when an exception is entered for the first time */
+    UINT16 nestCnt;
+    /**< reserve */
+    UINT16 reserved;
+    /**< Hardware context at the time an exception to the automatic stack floating-point register occurs */
+    EXC_CONTEXT_S *context;
+} ExcInfo;
+
+extern UINT32 g_curNestCount;
+extern UINT32 g_intCount;
+extern UINT8 g_uwExcTbl[32];
+extern ExcInfo g_excInfo;
+
+#define MAX_INT_INFO_SIZE       (8 + 0x164)
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_ARCH_INTERRUPT_H */

arch/arm/cortex-m55/gcc/TZ/non_secure/los_arch_timer.h

@@ -0,0 +1,51 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_ARCH_TIMER_H
+#define _LOS_ARCH_TIMER_H
+
+#include "los_config.h"
+#include "los_compiler.h"
+#include "los_timer.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_ARCH_TIMER_H */

arch/arm/cortex-m55/gcc/TZ/non_secure/los_context.c

@@ -0,0 +1,163 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_context.h"
+#include "securec.h"
+#include "los_arch_context.h"
+#include "los_arch_interrupt.h"
+#include "los_task.h"
+#include "los_sched.h"
+#include "los_interrupt.h"
+#include "los_debug.h"
+
+/* ****************************************************************************
+ Function    : ArchInit
+ Description : arch init function
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT VOID ArchInit(VOID)
+{
+    HalHwiInit();
+}
+
+/* ****************************************************************************
+ Function    : ArchSysExit
+ Description : Task exit function
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_MINOR VOID ArchSysExit(VOID)
+{
+    LOS_IntLock();
+    while (1) {
+    }
+}
+
+/* ****************************************************************************
+ Function    : ArchTskStackInit
+ Description : Task stack initialization function
+ Input       : taskID     --- TaskID
+               stackSize  --- Total size of the stack
+               topStack   --- Top of task's stack
+ Output      : None
+ Return      : Context pointer
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT VOID *ArchTskStackInit(UINT32 taskID, UINT32 stackSize, VOID *topStack)
+{
+    TaskContext *context = (TaskContext *)((UINTPTR)topStack + stackSize - sizeof(TaskContext));
+
+#if ((defined(__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined(__FPU_USED) && (__FPU_USED == 1U)))
+    context->S16 = 0xAA000010;
+    context->S17 = 0xAA000011;
+    context->S18 = 0xAA000012;
+    context->S19 = 0xAA000013;
+    context->S20 = 0xAA000014;
+    context->S21 = 0xAA000015;
+    context->S22 = 0xAA000016;
+    context->S23 = 0xAA000017;
+    context->S24 = 0xAA000018;
+    context->S25 = 0xAA000019;
+    context->S26 = 0xAA00001A;
+    context->S27 = 0xAA00001B;
+    context->S28 = 0xAA00001C;
+    context->S29 = 0xAA00001D;
+    context->S30 = 0xAA00001E;
+    context->S31 = 0xAA00001F;
+    context->S0 = 0xAA000000;
+    context->S1 = 0xAA000001;
+    context->S2 = 0xAA000002;
+    context->S3 = 0xAA000003;
+    context->S4 = 0xAA000004;
+    context->S5 = 0xAA000005;
+    context->S6 = 0xAA000006;
+    context->S7 = 0xAA000007;
+    context->S8 = 0xAA000008;
+    context->S9 = 0xAA000009;
+    context->S10 = 0xAA00000A;
+    context->S11 = 0xAA00000B;
+    context->S12 = 0xAA00000C;
+    context->S13 = 0xAA00000D;
+    context->S14 = 0xAA00000E;
+    context->S15 = 0xAA00000F;
+    context->FPSCR = 0x00000000;
+    context->NO_NAME = 0xAA000011;
+#endif
+
+    context->secureContext = 0UL;
+    context->stackLimit = (UINT32)topStack;
+    context->excReturn = 0xFFFFFFBC;
+
+    context->uwR4 = 0x04040404L;
+    context->uwR5 = 0x05050505L;
+    context->uwR6 = 0x06060606L;
+    context->uwR7 = 0x07070707L;
+    context->uwR8 = 0x08080808L;
+    context->uwR9 = 0x09090909L;
+    context->uwR10 = 0x10101010L;
+    context->uwR11 = 0x11111111L;
+    context->uwPriMask = 0;
+    context->uwR0 = taskID;
+    context->uwR1 = 0x01010101L;
+    context->uwR2 = 0x02020202L;
+    context->uwR3 = 0x03030303L;
+    context->uwR12 = 0x12121212L;
+    context->uwLR = (UINT32)(UINTPTR)ArchSysExit;
+    context->uwPC = (UINT32)(UINTPTR)OsTaskEntry;
+    context->uwxPSR = 0x01000000L;
+
+    return (VOID *)context;
+}
+
+VOID *ArchSignalContextInit(VOID *stackPointer, VOID *stackTop, UINTPTR sigHandler, UINT32 param)
+{
+    TaskContext *context = (TaskContext *)((UINTPTR)stackPointer - sizeof(TaskContext));
+    (VOID)memset_s((VOID *)context, sizeof(TaskContext), 0, sizeof(TaskContext));
+
+    context->uwR0 = param;
+    context->uwPC = sigHandler;
+    context->stackLimit = (UINT32)stackTop;
+    context->excReturn = 0xFFFFFFBC;
+    context->uwxPSR = 0x01000000L; /* Thumb flag, always set 1 */
+
+    return (VOID *)context;
+}
+
+LITE_OS_SEC_TEXT_INIT UINT32 ArchStartSchedule(VOID)
+{
+    (VOID)LOS_IntLock();
+    OsSchedStart();
+    HalStartToRun();
+    return LOS_OK; /* never return */
+}

arch/arm/cortex-m55/gcc/TZ/non_secure/los_dispatch.S

@@ -0,0 +1,270 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+ .syntax unified
+ .arch armv8.1-m.main
+ .fpu vfpv3-d16-fp16
+ .thumb
+
+.equ    OS_FPU_CPACR,                0xE000ED88
+.equ    OS_FPU_CPACR_ENABLE,         0x00F00000
+.equ    OS_NVIC_INT_CTRL,            0xE000ED04
+.equ    OS_NVIC_SYSPRI2,             0xE000ED20
+.equ    OS_NVIC_PENDSV_PRI,          0xF0F00000
+.equ    OS_NVIC_PENDSVSET,           0x10000000
+.equ    OS_TASK_STATUS_RUNNING,      0x0010
+
+    .section .text
+    .thumb
+
+.macro SIGNAL_CONTEXT_RESTORE
+    PUSH    {R12, LR}
+    BLX     OsSignalTaskContextRestore
+    POP     {R12, LR}
+    CMP     R0, #0
+    MOV     R1, R0
+    BNE     SignalContextRestore
+.endm
+
+    .type HalStartFirstTask, %function
+    .global HalStartFirstTask
+HalStartFirstTask:
+    MOV     R0, #2
+    MSR     CONTROL, R0
+
+    LDR     R1, =g_losTask
+    LDR     R0, [R1, #4]
+
+    LDR     R12, [R0]                  /* Get the stack pointer of the current task. */
+    LDMFD   R12!, {R1-R3}              /* Read from stack: R1 = secureContext, R2 = stackLmit and R3 = excReturn.*/
+    LDR     R4, =g_secureContext
+    STR     R1, [R4]                   /* Set the secureContext to g_secureContext handler. */
+    MSR     PSPLIM, R2                 /* Set the stackLmit for the PSPLIM about current task. */
+    ISB
+
+    LDR.W   R1, =OS_FPU_CPACR
+    LDR     R1, [R1]
+    AND     R1, R1, #OS_FPU_CPACR_ENABLE
+    CMP     R1, #OS_FPU_CPACR_ENABLE
+    BNE     __DisabledFPU1
+    ADD     R12, R12, #64
+    VPUSH   {S0}
+    VPOP    {S0}
+
+__DisabledFPU1:
+    ADD     R12, R12, #36
+    MSR     PSP, R12
+    CPSIE   I
+    BX      R3
+
+    .type ArchIntLock, %function
+    .global ArchIntLock
+ArchIntLock:
+    .fnstart
+    .cantunwind
+
+    MRS R0, PRIMASK
+    CPSID I
+    BX LR
+    .fnend
+
+    .type ArchIntUnLock, %function
+    .global ArchIntUnLock
+ArchIntUnLock:
+    .fnstart
+    .cantunwind
+
+    MRS R0, PRIMASK
+    CPSIE I
+    BX LR
+    .fnend
+
+    .type ArchIntRestore, %function
+    .global ArchIntRestore
+ArchIntRestore:
+    .fnstart
+    .cantunwind
+
+    MSR PRIMASK, R0
+    BX LR
+    .fnend
+
+    .type ArchTaskSchedule, %function
+    .global ArchTaskSchedule
+ArchTaskSchedule:
+    .fnstart
+    .cantunwind
+
+    ldr     r0, =OS_NVIC_INT_CTRL
+    ldr     r1, =OS_NVIC_PENDSVSET
+    str     r1, [r0]
+    dsb
+    isb
+    bx      lr
+   .fnend
+
+    .type HalPendSV, %function
+    .global HalPendSV
+HalPendSV:
+    .fnstart
+    .cantunwind
+
+    mrs     r12, PRIMASK
+    cpsid   I
+
+HalTaskSwitch:
+    SIGNAL_CONTEXT_RESTORE
+
+    push    {r12, lr}
+    blx     OsSchedTaskSwitch
+    pop     {r12, lr}
+    cmp     r0, #0
+    mov     r0, lr
+    bne     TaskContextSwitch
+    msr     PRIMASK, r12
+    bx      lr
+
+TaskContextSwitch:
+    mov     lr, r0
+    mrs     r0, psp
+
+    LDR     R2, =g_secureContext
+    LDR     R1, [R2]
+    CBZ     R1, __SaveNSContext               /* If the g_secureContext is NULL, so no secure context to save. */
+
+    PUSH    {R0-R1, R12, R14}                 /* Store registers, include LR, PRIMASK. */
+    BL      HalSecureContextSave              /* Store the secure context to g_secureContext->curStackPointer. */
+    POP     {R0-R3}
+    MOV     LR, R3
+    MOV     R12, R2                           /* R2 = PRIMASK. */
+
+__SaveNSContext:
+    STMFD   R0!, {R4-R12}
+    LDR.W   R3, =OS_FPU_CPACR
+    LDR     R3, [R3]
+    AND     R3, R3, #OS_FPU_CPACR_ENABLE
+    CMP     R3, #OS_FPU_CPACR_ENABLE
+    BNE     __DisabledFPU2
+    VSTMDB  R0!, {D8-D15}
+
+__DisabledFPU2:
+    LDR     R5, =g_losTask
+    LDR     R6, [R5]                          /* Get the stackPointer handler of the current task. */
+    SUBS    R0, R0, #12
+    STR     R0, [R6]                          /* Save the new top of stack in TCB. */
+    MRS     R2, PSPLIM
+    MOV     R3, LR
+    STMIA   R0!, {R1, R2-R3}                  /* Store g_secureContext, PSPLIM and LR on the stack of current task. */
+
+    LDR     R0, [R5, #4]
+    STR     R0, [R5]
+    LDR     R1, [R0]
+
+SignalContextRestore:
+    LDMIA   R1!, {R0, R2-R3}                  /* Restore secureContext, PSPLIM and LR from the current task stack. */
+    MSR     PSPLIM, R2
+    MOV     LR, R3
+    LDR     R2, =g_secureContext
+    STR     R0, [R2]                          /* Set the secureContext of the new task to g_secureContext. */
+    CBZ     R0, __RestoreNSContext            /* If there is no secure context for the new task, so restore from the non-secure context. */
+    PUSH    {R1, R3}
+    BL      HalSecureContextLoad              /* Restore the secure context. */
+    POP     {R1, R3}
+    MOV     LR, R3
+
+__RestoreNSContext:
+    LDR.W   R3, =OS_FPU_CPACR
+    LDR     R3, [R3]
+    AND     R3, R3, #OS_FPU_CPACR_ENABLE
+    CMP     R3, #OS_FPU_CPACR_ENABLE
+    BNE     __DisabledFPU3
+    VLDMIA  R1!, {D8-D15}
+
+__DisabledFPU3:
+    LDMFD   R1!, {R4-R12}
+    MSR     PSP,  R1
+
+    MSR     PRIMASK, R12
+    BX      LR
+    .fnend
+
+    .type HalSVCStartSchedule, %function
+    .global HalSVCStartSchedule
+HalSVCStartSchedule:
+    .fnstart
+    .cantunwind
+    LDR     R4, =OS_NVIC_SYSPRI2
+    LDR     R5, =OS_NVIC_PENDSV_PRI
+    STR     R5, [R4]
+    CPSIE   I
+    DSB
+    ISB
+    SVC     2
+    .fnend
+
+    .type HalSVCSecureContextAlloc, %function
+    .global HalSVCSecureContextAlloc
+HalSVCSecureContextAlloc:
+    .fnstart
+    .cantunwind
+    SVC     0
+    BX      LR
+    .fnend
+
+    .type HalSVCSecureContextFree, %function
+    .global HalSVCSecureContextFree
+HalSVCSecureContextFree:
+    .fnstart
+    .cantunwind
+    SVC     1
+    BX      LR
+    .fnend
+
+    .type HalSVCHandler, %function
+    .global HalSVCHandler
+HalSVCHandler:
+    .fnstart
+    .cantunwind
+    TST     LR, #0x04
+    ITE     EQ
+    MRSEQ   R1, MSP
+    MRSNE   R1, PSP
+    LDR     R0, [R1, #24]
+    LDRB    R0, [R0, #-2]                     /* Get the SVC number. */
+
+    PUSH    {LR}
+    MOV     R2, R1                            /* Get the stack for R2. */
+    LDMFD   R2!, {R1}                         /* Get the input arg for HalSecureSVCHandler. */
+    STMFD   R2!, {R1}
+    BL      HalSecureSVCHandler
+    POP     {LR}
+    BX      LR
+    .fnend

arch/arm/cortex-m55/gcc/TZ/non_secure/los_exc.S

@@ -0,0 +1,368 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+ .syntax unified
+ .arch armv8.1-m.main
+ .fpu vfpv3-d16-fp16
+ .thumb
+.section .text
+
+
+    .global  HalExcNMI
+    .global  HalExcHardFault
+    .global  HalExcMemFault
+    .global  HalExcBusFault
+    .global  HalExcUsageFault
+
+    .extern HalExcHandleEntry
+    .extern g_uwExcTbl
+    .extern g_taskScheduled
+
+.equ OS_FLG_BGD_ACTIVE,   0x0002
+
+.equ OS_EXC_CAUSE_NMI,   16
+.equ OS_EXC_CAUSE_HARDFAULT,   17
+
+.equ HF_DEBUGEVT,   20
+.equ HF_VECTBL,   21
+
+.equ FLAG_ADDR_VALID,   0x10000
+.equ FLAG_HWI_ACTIVE,   0x20000
+.equ FLAG_NO_FLOAT,   0x10000000
+
+.equ OS_NVIC_FSR                 ,   0xE000ED28      //include BusFault/MemFault/UsageFault State Register
+.equ OS_NVIC_HFSR                ,   0xE000ED2C      //HardFault State Register
+.equ OS_NVIC_BFAR                ,   0xE000ED38
+.equ OS_NVIC_MMAR                ,   0xE000ED34
+.equ OS_NVIC_ACT_BASE            ,   0xE000E300
+.equ OS_NVIC_SHCSRS              ,   0xE000ED24
+.equ OS_NVIC_SHCSR_MASK          ,   0xC00
+
+    .type HalExcNMI, %function
+    .global HalExcNMI
+HalExcNMI:
+    .fnstart
+    .cantunwind
+    MOV  R0, #OS_EXC_CAUSE_NMI
+    MOV  R1, #0
+    B  osExcDispatch
+    .fnend
+
+    .type HalExcHardFault, %function
+    .global HalExcHardFault
+HalExcHardFault:
+    .fnstart
+    .cantunwind
+    MOV  R0, #OS_EXC_CAUSE_HARDFAULT
+    LDR  R2, =OS_NVIC_HFSR
+    LDR  R2, [R2]
+
+    MOV  R1, #HF_DEBUGEVT
+    ORR  R0, R0, R1, LSL #0x8
+    TST  R2, #0x80000000
+    BNE  osExcDispatch     // DEBUGEVT
+
+    AND  R0, R0 , #0x000000FF
+    MOV  R1, #HF_VECTBL
+    ORR  R0, R0, R1, LSL #0x8
+    TST  R2, #0x00000002
+    BNE  osExcDispatch     // VECTBL
+
+    //if not DEBUGEVT and VECTBL then is FORCED
+    AND  R0, R0, #0x000000FF
+
+    LDR  R2, =OS_NVIC_FSR
+    LDR  R2, [R2]
+
+    TST  R2, #0x8000     // BFARVALID
+    BNE  _HFBusFault     // BusFault
+
+    TST  R2, #0x80       // MMARVALID
+    BNE  _HFMemFault     // MemFault
+
+    MOV  R12,#0
+    B    osHFExcCommonBMU
+    .fnend
+
+    .type _HFBusFault, %function
+
+_HFBusFault:
+    .fnstart
+    .cantunwind
+    LDR  R1, =OS_NVIC_BFAR
+    LDR  R1, [R1]
+    MOV  R12, #FLAG_ADDR_VALID
+    B    osHFExcCommonBMU
+    .fnend
+
+    .type _HFMemFault, %function
+
+_HFMemFault:
+    .fnstart
+    .cantunwind
+    LDR  R1, =OS_NVIC_MMAR
+    LDR  R1, [R1]
+    MOV  R12, #FLAG_ADDR_VALID
+    .fnend
+
+    .type osHFExcCommonBMU, %function
+    .global osHFExcCommonBMU
+osHFExcCommonBMU:
+    .fnstart
+    .cantunwind
+    CLZ  R2, R2
+    LDR  R3, =g_uwExcTbl
+    ADD  R3, R3, R2
+    LDRB R2, [R3]
+    ORR  R0, R0, R2, LSL #0x8
+    ORR  R0, R0 ,R12
+    B    osExcDispatch
+    .fnend
+
+    .type HalExcBusFault, %function
+    .global HalExcBusFault
+HalExcBusFault:
+    .fnstart
+    .cantunwind
+    LDR  R0, =OS_NVIC_FSR
+    LDR  R0, [R0]
+
+    TST  R0, #0x8000  // BFARVALID
+    BEQ  _ExcBusNoADDR
+    LDR  R1, =OS_NVIC_BFAR
+    LDR  R1, [R1]
+    MOV  R12, #FLAG_ADDR_VALID
+    AND  R0, R0, #0x1F00
+
+    B    osExcCommonBMU
+    .fnend
+
+    .type _ExcBusNoADDR, %function
+    .global _ExcBusNoADDR
+_ExcBusNoADDR:
+    .fnstart
+    .cantunwind
+    MOV  R12,#0
+    B    osExcCommonBMU
+    .fnend
+
+    .type HalExcMemFault, %function
+    .global HalExcMemFault
+HalExcMemFault:
+    .fnstart
+    .cantunwind
+    LDR  R0, =OS_NVIC_FSR
+    LDR  R0, [R0]
+
+    TST  R0, #0x80 // MMARVALID
+    BEQ  _ExcMemNoADDR
+    LDR  R1, =OS_NVIC_MMAR
+    LDR  R1, [R1]
+    MOV  R12, #FLAG_ADDR_VALID
+    AND  R0, R0, #0x1B
+
+    B    osExcCommonBMU
+    .fnend
+
+    .type _ExcMemNoADDR, %function
+    .global _ExcMemNoADDR
+_ExcMemNoADDR:
+    .fnstart
+    .cantunwind
+    MOV  R12,#0
+    B    osExcCommonBMU
+    .fnend
+
+    .type HalExcUsageFault, %function
+    .global HalExcUsageFault
+HalExcUsageFault:
+    .fnstart
+    .cantunwind
+    LDR  R0, =OS_NVIC_FSR
+    LDR  R0, [R0]
+
+    MOVW  R1, #0x030F
+    LSL  R1, R1, #16
+    AND  R0, R0, R1
+    MOV  R12, #0
+
+    .fnend
+
+    .type osExcCommonBMU, %function
+    .global osExcCommonBMU
+osExcCommonBMU:
+    .fnstart
+    .cantunwind
+    CLZ  R0, R0
+    LDR  R3, =g_uwExcTbl
+    ADD  R3, R3, R0
+    LDRB R0, [R3]
+    ORR  R0, R0, R12
+    .fnend
+// R0 -- EXCCAUSE(bit 16 is 1 if EXCADDR valid),  R1 -- EXCADDR
+
+    .type osExcDispatch, %function
+    .global osExcDispatch
+osExcDispatch:
+    .fnstart
+    .cantunwind
+    LDR   R2, =OS_NVIC_ACT_BASE
+    MOV   R12, #8                       // R12 is hwi check loop counter
+    .fnend
+
+    .type _hwiActiveCheck, %function
+    .global _hwiActiveCheck
+_hwiActiveCheck:
+    .fnstart
+    .cantunwind
+    LDR   R3, [R2]                      // R3 store active hwi register when exc
+    CMP   R3, #0
+    BEQ   _hwiActiveCheckNext
+
+    // exc occurred in IRQ
+    ORR   R0, R0, #FLAG_HWI_ACTIVE
+    RBIT  R2, R3
+    CLZ   R2, R2
+    AND   R12, R12, #1
+    ADD   R2, R2, R12, LSL #5               // calculate R2 (hwi number) as pid
+    .fnend
+
+    .type _ExcInMSP, %function
+    .global _ExcInMSP
+_ExcInMSP:
+    .fnstart
+    .cantunwind
+    CMP   LR, #0xFFFFFFE9
+    BNE   _NoFloatInMsp
+    ADD   R3, R13, #104
+    PUSH  {R3}
+    MRS   R12, PRIMASK                  // store message-->exc: disable int?
+    PUSH {R4-R12}                       // store message-->exc: {R4-R12}
+    VPUSH {D8-D15}
+    B     _handleEntry
+  .fnend
+
+    .type _NoFloatInMsp, %function
+    .global _NoFloatInMsp
+_NoFloatInMsp:
+    .fnstart
+    .cantunwind
+    ADD   R3, R13, #32
+    PUSH  {R3} // save IRQ SP            // store message-->exc: MSP(R13)
+
+    MRS   R12, PRIMASK                  // store message-->exc: disable int?
+    PUSH {R4-R12}                       // store message-->exc: {R4-R12}
+    ORR   R0, R0, #FLAG_NO_FLOAT
+    B     _handleEntry
+  .fnend
+
+    .type _hwiActiveCheckNext, %function
+    .global _hwiActiveCheckNext
+_hwiActiveCheckNext:
+    .fnstart
+    .cantunwind
+    ADD   R2, R2, #4                        // next NVIC ACT ADDR
+    SUBS  R12, R12, #1
+    BNE   _hwiActiveCheck
+
+    /*NMI interrupt excption*/
+    LDR   R2, =OS_NVIC_SHCSRS
+    LDRH  R2,[R2]
+    LDR   R3,=OS_NVIC_SHCSR_MASK
+    AND   R2, R2,R3
+    CMP   R2,#0
+    BNE   _ExcInMSP
+    // exc occurred in Task or Init or exc
+    // reserved for register info from task stack
+
+    LDR  R2, =g_taskScheduled
+    LDR  R2, [R2]
+    TST  R2, #1                         // OS_FLG_BGD_ACTIVE
+    BEQ  _ExcInMSP                      // if exc occurred in Init then branch
+
+
+    CMP   LR, #0xFFFFFFED               //auto push floating registers
+    BNE   _NoFloatInPsp
+
+    // exc occurred in Task
+    MOV   R2,  R13
+    SUB   R13, #96                      // add 8 Bytes reg(for STMFD)
+
+    MRS   R3,  PSP
+    ADD   R12, R3, #104
+    PUSH  {R12}                         // save task SP
+
+    MRS   R12, PRIMASK
+    PUSH {R4-R12}
+    VPUSH {D8-D15}
+
+    // copy auto saved task register
+
+    LDMFD R3!, {R4-R11}                  // R4-R11 store PSP reg(auto push when exc in task)
+    VLDMIA  R3!, {D8-D15}
+    VSTMDB  R2!, {D8-D15}
+    STMFD R2!, {R4-R11}
+    B     _handleEntry
+  .fnend
+
+    .type _NoFloatInPsp, %function
+    .global _NoFloatInPsp
+_NoFloatInPsp:
+    .fnstart
+    .cantunwind
+    MOV   R2,  R13                      // no auto push floating registers
+    SUB   R13, #32                      // add 8 Bytes reg(for STMFD)
+
+    MRS   R3,  PSP
+    ADD   R12, R3, #32
+    PUSH  {R12}                         // save task SP
+
+    MRS   R12, PRIMASK
+    PUSH {R4-R12}
+
+    LDMFD R3, {R4-R11}                  // R4-R11 store PSP reg(auto push when exc in task)
+    STMFD R2!, {R4-R11}
+    ORR   R0, R0, #FLAG_NO_FLOAT
+  .fnend
+
+    .type _handleEntry, %function
+    .global _handleEntry
+_handleEntry:
+    .fnstart
+    .cantunwind
+    MOV R3, R13                         // R13:the 4th param
+    CPSID I
+    CPSID F
+    B  HalExcHandleEntry
+
+    NOP
+  .fnend
+

arch/arm/cortex-m55/gcc/TZ/non_secure/los_interrupt.c

@@ -0,0 +1,649 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "los_interrupt.h"
+#include <stdarg.h>
+#include "securec.h"
+#include "los_context.h"
+#include "los_arch_interrupt.h"
+#include "los_debug.h"
+#include "los_hook.h"
+#include "los_task.h"
+#include "los_sched.h"
+#include "los_memory.h"
+#include "los_membox.h"
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+#include "los_cpup.h"
+#endif
+
+#define DEF_HANDLER_START_INDEX 2
+UINT32 g_intCount = 0;
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt form mapping handling function array.
+ */
+STATIC HWI_PROC_FUNC __attribute__((aligned(LOSCFG_ARCH_HWI_VECTOR_ALIGN))) g_hwiForm[OS_VECTOR_CNT] = {0};
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
+STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
+
+UINT32 OsGetHwiFormCnt(UINT32 index)
+{
+    return g_hwiFormCnt[index];
+}
+
+CHAR *OsGetHwiFormName(UINT32 index)
+{
+    return g_hwiFormName[index];
+}
+
+BOOL OsGetHwiCreated(UINT32 index)
+{
+    if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+
+typedef struct {
+    HWI_PROC_FUNC pfnHandler;
+    VOID *pParm;
+} HWI_HANDLER_FUNC;
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt handler form mapping handling function array.
+ */
+STATIC HWI_HANDLER_FUNC g_hwiHandlerForm[OS_VECTOR_CNT] = {{ (HWI_PROC_FUNC)0, (HWI_ARG_T)0 }};
+
+/* *
+ * @ingroup los_hwi
+ * Set interrupt vector table.
+ */
+VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector, VOID *arg)
+{
+    if ((num + OS_SYS_VECTOR_CNT) < OS_VECTOR_CNT) {
+        g_hwiForm[num + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalInterrupt;
+        g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT].pfnHandler = vector;
+        g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT].pParm = arg;
+    }
+}
+
+#else
+/* *
+ * @ingroup los_hwi
+ * hardware interrupt handler form mapping handling function array.
+ */
+STATIC HWI_PROC_FUNC g_hwiHandlerForm[OS_VECTOR_CNT] = {0};
+
+/* *
+ * @ingroup los_hwi
+ * Set interrupt vector table.
+ */
+VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector)
+{
+    if ((num + OS_SYS_VECTOR_CNT) < OS_VECTOR_CNT) {
+        g_hwiForm[num + OS_SYS_VECTOR_CNT] = HalInterrupt;
+        g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT] = vector;
+    }
+}
+#endif
+
+/* ****************************************************************************
+ Function    : HwiNumGet
+ Description : Get an interrupt number
+ Input       : None
+ Output      : None
+ Return      : Interrupt Indexes number
+ **************************************************************************** */
+STATIC UINT32 HwiNumGet(VOID)
+{
+    return __get_IPSR();
+}
+
+STATIC UINT32 HwiUnmask(HWI_HANDLE_T hwiNum)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_EnableIRQ((IRQn_Type)hwiNum);
+
+    return LOS_OK;
+}
+
+STATIC UINT32 HwiMask(HWI_HANDLE_T hwiNum)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_DisableIRQ((IRQn_Type)hwiNum);
+
+    return LOS_OK;
+}
+
+STATIC UINT32 HwiSetPriority(HWI_HANDLE_T hwiNum, UINT8 priority)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    if (priority > OS_HWI_PRIO_LOWEST) {
+        return OS_ERRNO_HWI_PRIO_INVALID;
+    }
+
+    NVIC_SetPriority((IRQn_Type)hwiNum, priority);
+
+    return LOS_OK;
+}
+
+STATIC UINT32 HwiPending(HWI_HANDLE_T hwiNum)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_SetPendingIRQ((IRQn_Type)hwiNum);
+
+    return LOS_OK;
+}
+
+STATIC UINT32 HwiClear(HWI_HANDLE_T hwiNum)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_ClearPendingIRQ((IRQn_Type)hwiNum);
+
+    return LOS_OK;
+}
+
+HwiControllerOps g_archHwiOps = {
+    .enableIrq      = HwiUnmask,
+    .disableIrq     = HwiMask,
+    .setIrqPriority = HwiSetPriority,
+    .getCurIrqNum   = HwiNumGet,
+    .triggerIrq     = HwiPending,
+    .clearIrq       = HwiClear,
+};
+
+inline UINT32 ArchIsIntActive(VOID)
+{
+    return (g_intCount > 0);
+}
+/* ****************************************************************************
+ Function    : HalHwiDefaultHandler
+ Description : default handler of the hardware interrupt
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+/*lint -e529*/
+LITE_OS_SEC_TEXT_MINOR VOID HalHwiDefaultHandler(VOID)
+{
+    PRINT_ERR("%s irqnum:%u\n", __FUNCTION__, HwiNumGet());
+    while (1) {}
+}
+
+WEAK VOID HalPreInterruptHandler(UINT32 arg)
+{
+    (VOID)arg;
+    return;
+}
+
+WEAK VOID HalAftInterruptHandler(UINT32 arg)
+{
+    (VOID)arg;
+    return;
+}
+
+/* ****************************************************************************
+ Function    : HalInterrupt
+ Description : Hardware interrupt entry function
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
+{
+    UINT32 hwiIndex;
+    UINT32 intSave;
+
+#if (LOSCFG_KERNEL_RUNSTOP == 1)
+    SCB->SCR &= (UINT32) ~((UINT32)SCB_SCR_SLEEPDEEP_Msk);
+#endif
+
+    intSave = LOS_IntLock();
+    g_intCount++;
+    LOS_IntRestore(intSave);
+
+    hwiIndex = HwiNumGet();
+
+    OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqStart(hwiIndex);
+#endif
+
+    HalPreInterruptHandler(hwiIndex);
+
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+    if (g_hwiHandlerForm[hwiIndex].pfnHandler != 0) {
+        g_hwiHandlerForm[hwiIndex].pfnHandler((VOID *)g_hwiHandlerForm[hwiIndex].pParm);
+    }
+#else
+    if (g_hwiHandlerForm[hwiIndex] != 0) {
+        g_hwiHandlerForm[hwiIndex]();
+    }
+#endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    ++g_hwiFormCnt[hwiIndex];
+#endif
+
+    HalAftInterruptHandler(hwiIndex);
+
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqEnd(hwiIndex);
+#endif
+
+    OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
+
+    intSave = LOS_IntLock();
+    g_intCount--;
+    LOS_IntRestore(intSave);
+}
+
+/* ****************************************************************************
+ Function    : ArchHwiCreate
+ Description : create hardware interrupt
+ Input       : hwiNum   --- hwi num to create
+               hwiPrio  --- priority of the hwi
+               hwiMode  --- unused
+               hwiHandler --- hwi handler
+               irqParam --- param of the hwi handler
+ Output      : None
+ Return      : LOS_OK on success or error code on failure
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
+                                           HWI_PRIOR_T hwiPrio,
+                                           HWI_MODE_T hwiMode,
+                                           HWI_PROC_FUNC hwiHandler,
+                                           HwiIrqParam *irqParam)
+{
+    (VOID)hwiMode;
+    UINT32 intSave;
+
+    if (hwiHandler == NULL) {
+        return OS_ERRNO_HWI_PROC_FUNC_NULL;
+    }
+
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    if (g_hwiForm[hwiNum + OS_SYS_VECTOR_CNT] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return OS_ERRNO_HWI_ALREADY_CREATED;
+    }
+
+    if (hwiPrio > OS_HWI_PRIO_LOWEST) {
+        return OS_ERRNO_HWI_PRIO_INVALID;
+    }
+
+    intSave = LOS_IntLock();
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+    if (irqParam != NULL) {
+        OsSetVector(hwiNum, hwiHandler, irqParam->pDevId);
+    } else {
+        OsSetVector(hwiNum, hwiHandler, NULL);
+    }
+#else
+    (VOID)irqParam;
+    OsSetVector(hwiNum, hwiHandler);
+#endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    if ((irqParam != NULL) && (irqParam->pName != NULL)) {
+        g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
+    }
+    g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
+#endif
+
+    HwiUnmask((IRQn_Type)hwiNum);
+    HwiSetPriority((IRQn_Type)hwiNum, hwiPrio);
+
+    LOS_IntRestore(intSave);
+
+    return LOS_OK;
+}
+
+/* ****************************************************************************
+ Function    : ArchHwiDelete
+ Description : Delete hardware interrupt
+ Input       : hwiNum   --- hwi num to delete
+               irqParam --- param of the hwi handler
+ Output      : None
+ Return      : LOS_OK on success or error code on failure
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiDelete(HWI_HANDLE_T hwiNum, HwiIrqParam *irqParam)
+{
+    (VOID)irqParam;
+    UINT32 intSave;
+
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_DisableIRQ((IRQn_Type)hwiNum);
+
+    intSave = LOS_IntLock();
+
+    g_hwiForm[hwiNum + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalHwiDefaultHandler;
+
+    LOS_IntRestore(intSave);
+
+    return LOS_OK;
+}
+
+#define FAULT_STATUS_REG_BIT            32
+#define USGFAULT                        (1 << 18)
+#define BUSFAULT                        (1 << 17)
+#define MEMFAULT                        (1 << 16)
+#define DIV0FAULT                       (1 << 4)
+#define UNALIGNFAULT                    (1 << 3)
+#define HARDFAULT_IRQN                  (-13)
+
+ExcInfo g_excInfo = {0};
+
+UINT8 g_uwExcTbl[FAULT_STATUS_REG_BIT] = {
+    0, 0, 0, 0, 0, 0, OS_EXC_UF_DIVBYZERO, OS_EXC_UF_UNALIGNED,
+    0, 0, 0, 0, OS_EXC_UF_NOCP, OS_EXC_UF_INVPC, OS_EXC_UF_INVSTATE, OS_EXC_UF_UNDEFINSTR,
+    0, 0, 0, OS_EXC_BF_STKERR, OS_EXC_BF_UNSTKERR, OS_EXC_BF_IMPRECISERR, OS_EXC_BF_PRECISERR, OS_EXC_BF_IBUSERR,
+    0, 0, 0, OS_EXC_MF_MSTKERR, OS_EXC_MF_MUNSTKERR, 0, OS_EXC_MF_DACCVIOL, OS_EXC_MF_IACCVIOL
+};
+
+#if (LOSCFG_KERNEL_PRINTF != 0)
+STATIC VOID OsExcNvicDump(VOID)
+{
+#define OS_NR_NVIC_EXC_DUMP_TYPES   7
+    UINT32 *base = NULL;
+    UINT32 len, i, j;
+    UINT32 rgNvicBases[OS_NR_NVIC_EXC_DUMP_TYPES] = {
+        OS_NVIC_SETENA_BASE, OS_NVIC_SETPEND_BASE, OS_NVIC_INT_ACT_BASE,
+        OS_NVIC_PRI_BASE, OS_NVIC_EXCPRI_BASE, OS_NVIC_SHCSR, OS_NVIC_INT_CTRL
+    };
+    UINT32 rgNvicLens[OS_NR_NVIC_EXC_DUMP_TYPES] = {
+        OS_NVIC_INT_ENABLE_SIZE, OS_NVIC_INT_PEND_SIZE, OS_NVIC_INT_ACT_SIZE,
+        OS_NVIC_INT_PRI_SIZE, OS_NVIC_EXCPRI_SIZE, OS_NVIC_SHCSR_SIZE,
+        OS_NVIC_INT_CTRL_SIZE
+    };
+    CHAR strRgEnable[] = "enable";
+    CHAR strRgPending[] = "pending";
+    CHAR strRgActive[] = "active";
+    CHAR strRgPriority[] = "priority";
+    CHAR strRgException[] = "exception";
+    CHAR strRgShcsr[] = "shcsr";
+    CHAR strRgIntCtrl[] = "control";
+    CHAR *strRgs[] = {
+        strRgEnable, strRgPending, strRgActive, strRgPriority,
+        strRgException, strRgShcsr, strRgIntCtrl
+    };
+
+    PRINTK("\r\nOS exception NVIC dump:\n");
+    for (i = 0; i < OS_NR_NVIC_EXC_DUMP_TYPES; i++) {
+        base = (UINT32 *)rgNvicBases[i];
+        len = rgNvicLens[i];
+        PRINTK("interrupt %s register, base address: %p, size: 0x%x\n", strRgs[i], base, len);
+        len = (len >> 2); /* 2: Gets the next register offset */
+        for (j = 0; j < len; j++) {
+            PRINTK("0x%x ", *(base + j));
+            if ((j != 0) && ((j % 16) == 0)) { /* 16: print wrap line */
+                PRINTK("\n");
+            }
+        }
+        PRINTK("\n");
+    }
+}
+
+STATIC VOID OsExcTypeInfo(const ExcInfo *excInfo)
+{
+    CHAR *phaseStr[] = {"exc in init", "exc in task", "exc in hwi"};
+
+    PRINTK("Type      = %d\n", excInfo->type);
+    PRINTK("ThrdPid   = %d\n", excInfo->thrdPid);
+    PRINTK("Phase     = %s\n", phaseStr[excInfo->phase]);
+    PRINTK("FaultAddr = 0x%x\n", excInfo->faultAddr);
+}
+
+STATIC VOID OsExcCurTaskInfo(const ExcInfo *excInfo)
+{
+    PRINTK("Current task info:\n");
+    if (excInfo->phase == OS_EXC_IN_TASK) {
+        LosTaskCB *taskCB = OS_TCB_FROM_TID(LOS_CurTaskIDGet());
+        PRINTK("Task name = %s\n", taskCB->taskName);
+        PRINTK("Task ID   = %d\n", taskCB->taskID);
+        PRINTK("Task SP   = %p\n", taskCB->stackPointer);
+        PRINTK("Task ST   = 0x%x\n", taskCB->topOfStack);
+        PRINTK("Task SS   = 0x%x\n", taskCB->stackSize);
+    } else if (excInfo->phase == OS_EXC_IN_HWI) {
+        PRINTK("Exception occur in interrupt phase!\n");
+    } else {
+        PRINTK("Exception occur in system init phase!\n");
+    }
+}
+
+STATIC VOID OsExcRegInfo(const ExcInfo *excInfo)
+{
+    PRINTK("Exception reg dump:\n");
+    PRINTK("PC        = 0x%x\n", excInfo->context->uwPC);
+    PRINTK("LR        = 0x%x\n", excInfo->context->uwLR);
+    PRINTK("SP        = 0x%x\n", excInfo->context->uwSP);
+    PRINTK("R0        = 0x%x\n", excInfo->context->uwR0);
+    PRINTK("R1        = 0x%x\n", excInfo->context->uwR1);
+    PRINTK("R2        = 0x%x\n", excInfo->context->uwR2);
+    PRINTK("R3        = 0x%x\n", excInfo->context->uwR3);
+    PRINTK("R4        = 0x%x\n", excInfo->context->uwR4);
+    PRINTK("R5        = 0x%x\n", excInfo->context->uwR5);
+    PRINTK("R6        = 0x%x\n", excInfo->context->uwR6);
+    PRINTK("R7        = 0x%x\n", excInfo->context->uwR7);
+    PRINTK("R8        = 0x%x\n", excInfo->context->uwR8);
+    PRINTK("R9        = 0x%x\n", excInfo->context->uwR9);
+    PRINTK("R10       = 0x%x\n", excInfo->context->uwR10);
+    PRINTK("R11       = 0x%x\n", excInfo->context->uwR11);
+    PRINTK("R12       = 0x%x\n", excInfo->context->uwR12);
+    PRINTK("PriMask   = 0x%x\n", excInfo->context->uwPriMask);
+    PRINTK("xPSR      = 0x%x\n", excInfo->context->uwxPSR);
+}
+
+#if (LOSCFG_KERNEL_BACKTRACE == 1)
+STATIC VOID OsExcBackTraceInfo(const ExcInfo *excInfo)
+{
+    UINTPTR LR[LOSCFG_BACKTRACE_DEPTH] = {0};
+    UINT32 index;
+
+    OsBackTraceHookCall(LR, LOSCFG_BACKTRACE_DEPTH, 0, excInfo->context->uwSP);
+
+    PRINTK("----- backtrace start -----\n");
+    for (index = 0; index < LOSCFG_BACKTRACE_DEPTH; index++) {
+        if (LR[index] == 0) {
+            break;
+        }
+        PRINTK("backtrace %d -- lr = 0x%x\n", index, LR[index]);
+    }
+    PRINTK("----- backtrace end -----\n");
+}
+#endif
+
+STATIC VOID OsExcMemPoolCheckInfo(VOID)
+{
+    PRINTK("\r\nmemory pools check:\n");
+#if (LOSCFG_PLATFORM_EXC == 1)
+    MemInfoCB memExcInfo[OS_SYS_MEM_NUM];
+    UINT32 errCnt;
+    UINT32 i;
+
+    (VOID)memset_s(memExcInfo, sizeof(memExcInfo), 0, sizeof(memExcInfo));
+
+    errCnt = OsMemExcInfoGet(OS_SYS_MEM_NUM, memExcInfo);
+    if (errCnt < OS_SYS_MEM_NUM) {
+        errCnt += OsMemboxExcInfoGet(OS_SYS_MEM_NUM - errCnt, memExcInfo + errCnt);
+    }
+
+    if (errCnt == 0) {
+        PRINTK("all memory pool check passed!\n");
+        return;
+    }
+
+    for (i = 0; i < errCnt; i++) {
+        PRINTK("pool num    = %d\n", i);
+        PRINTK("pool type   = %d\n", memExcInfo[i].type);
+        PRINTK("pool addr   = 0x%x\n", memExcInfo[i].startAddr);
+        PRINTK("pool size   = 0x%x\n", memExcInfo[i].size);
+        PRINTK("pool free   = 0x%x\n", memExcInfo[i].free);
+        PRINTK("pool blkNum = %d\n", memExcInfo[i].blockSize);
+        PRINTK("pool error node addr  = 0x%x\n", memExcInfo[i].errorAddr);
+        PRINTK("pool error node len   = 0x%x\n", memExcInfo[i].errorLen);
+        PRINTK("pool error node owner = %d\n", memExcInfo[i].errorOwner);
+    }
+#endif
+    UINT32 ret = LOS_MemIntegrityCheck(LOSCFG_SYS_HEAP_ADDR);
+    if (ret == LOS_OK) {
+        PRINTK("system heap memcheck over, all passed!\n");
+    }
+
+    PRINTK("memory pool check end!\n");
+}
+#endif
+
+STATIC VOID OsExcInfoDisplay(const ExcInfo *excInfo)
+{
+#if (LOSCFG_KERNEL_PRINTF != 0)
+    PRINTK("*************Exception Information**************\n");
+    OsExcTypeInfo(excInfo);
+    OsExcCurTaskInfo(excInfo);
+    OsExcRegInfo(excInfo);
+#if (LOSCFG_KERNEL_BACKTRACE == 1)
+    OsExcBackTraceInfo(excInfo);
+#endif
+    OsGetAllTskInfo();
+    OsExcNvicDump();
+    OsExcMemPoolCheckInfo();
+#endif
+}
+
+LITE_OS_SEC_TEXT_INIT VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr)
+{
+    UINT16 tmpFlag = (excType >> 16) & OS_NULL_SHORT; /* 16: Get Exception Type */
+    g_intCount++;
+    g_excInfo.nestCnt++;
+
+    g_excInfo.type = excType & OS_NULL_SHORT;
+
+    if (tmpFlag & OS_EXC_FLAG_FAULTADDR_VALID) {
+        g_excInfo.faultAddr = faultAddr;
+    } else {
+        g_excInfo.faultAddr = OS_EXC_IMPRECISE_ACCESS_ADDR;
+    }
+    if (g_losTask.runTask != NULL) {
+        if (tmpFlag & OS_EXC_FLAG_IN_HWI) {
+            g_excInfo.phase = OS_EXC_IN_HWI;
+            g_excInfo.thrdPid = pid;
+        } else {
+            g_excInfo.phase = OS_EXC_IN_TASK;
+            g_excInfo.thrdPid = g_losTask.runTask->taskID;
+        }
+    } else {
+        g_excInfo.phase = OS_EXC_IN_INIT;
+        g_excInfo.thrdPid = OS_NULL_INT;
+    }
+    if (excType & OS_EXC_FLAG_NO_FLOAT) {
+        g_excInfo.context = (EXC_CONTEXT_S *)((CHAR *)excBufAddr - LOS_OFF_SET_OF(EXC_CONTEXT_S, uwR4));
+    } else {
+        g_excInfo.context = excBufAddr;
+    }
+
+    OsDoExcHook(EXC_INTERRUPT);
+    OsExcInfoDisplay(&g_excInfo);
+    ArchSysExit();
+}
+
+/* ****************************************************************************
+ Function    : HalHwiInit
+ Description : initialization of the hardware interrupt
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT VOID HalHwiInit(VOID)
+{
+#if (LOSCFG_USE_SYSTEM_DEFINED_INTERRUPT == 1)
+    UINT32 index;
+    g_hwiForm[0] = 0; /* [0] Top of Stack */
+    g_hwiForm[1] = 0; /* [1] reset */
+    for (index = DEF_HANDLER_START_INDEX; index < OS_VECTOR_CNT; index++) {
+        g_hwiForm[index] = (HWI_PROC_FUNC)HalHwiDefaultHandler;
+    }
+    /* Exception handler register */
+    g_hwiForm[NonMaskableInt_IRQn + OS_SYS_VECTOR_CNT]   = (HWI_PROC_FUNC)HalExcNMI;
+    g_hwiForm[HARDFAULT_IRQN + OS_SYS_VECTOR_CNT]        = (HWI_PROC_FUNC)HalExcHardFault;
+    g_hwiForm[MemoryManagement_IRQn + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalExcMemFault;
+    g_hwiForm[BusFault_IRQn + OS_SYS_VECTOR_CNT]         = (HWI_PROC_FUNC)HalExcBusFault;
+    g_hwiForm[UsageFault_IRQn + OS_SYS_VECTOR_CNT]       = (HWI_PROC_FUNC)HalExcUsageFault;
+    g_hwiForm[SVCall_IRQn + OS_SYS_VECTOR_CNT]           = (HWI_PROC_FUNC)HalSVCHandler;
+    g_hwiForm[PendSV_IRQn + OS_SYS_VECTOR_CNT]           = (HWI_PROC_FUNC)HalPendSV;
+    g_hwiForm[SysTick_IRQn + OS_SYS_VECTOR_CNT]          = (HWI_PROC_FUNC)OsTickHandler;
+
+    /* Interrupt vector table location */
+    SCB->VTOR = (UINT32)(UINTPTR)g_hwiForm;
+#endif
+#if (__CORTEX_M >= 0x03U) /* only for Cortex-M3 and above */
+    NVIC_SetPriorityGrouping(OS_NVIC_AIRCR_PRIGROUP);
+#endif
+
+    /* Enable USGFAULT, BUSFAULT, MEMFAULT */
+    *(volatile UINT32 *)OS_NVIC_SHCSR |= (USGFAULT | BUSFAULT | MEMFAULT);
+
+    /* Enable DIV 0 and unaligned exception */
+#ifdef LOSCFG_ARCH_UNALIGNED_EXC
+    *(volatile UINT32 *)OS_NVIC_CCR |= (DIV0FAULT | UNALIGNFAULT);
+#else
+    *(volatile UINT32 *)OS_NVIC_CCR |= (DIV0FAULT);
+#endif
+
+    return;
+}
+

arch/arm/cortex-m55/gcc/TZ/non_secure/los_timer.c

@@ -0,0 +1,127 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_timer.h"
+#include "los_config.h"
+#include "los_tick.h"
+#include "los_arch_interrupt.h"
+
+STATIC UINT32 SysTickStart(HWI_PROC_FUNC handler);
+STATIC UINT64 SysTickReload(UINT64 nextResponseTime);
+STATIC UINT64 SysTickCycleGet(UINT32 *period);
+STATIC VOID SysTickLock(VOID);
+STATIC VOID SysTickUnlock(VOID);
+
+STATIC ArchTickTimer g_archTickTimer = {
+    .freq = 0,
+    .irqNum = SysTick_IRQn,
+    .periodMax = LOSCFG_BASE_CORE_TICK_RESPONSE_MAX,
+    .init = SysTickStart,
+    .getCycle = SysTickCycleGet,
+    .reload = SysTickReload,
+    .lock = SysTickLock,
+    .unlock = SysTickUnlock,
+    .tickHandler = NULL,
+};
+
+STATIC UINT32 SysTickStart(HWI_PROC_FUNC handler)
+{
+    UINT32 ret;
+    ArchTickTimer *tick = &g_archTickTimer;
+
+    tick->freq = OS_SYS_CLOCK;
+
+#if (LOSCFG_USE_SYSTEM_DEFINED_INTERRUPT == 1)
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+    OsSetVector(tick->irqNum, handler, NULL);
+#else
+    OsSetVector(tick->irqNum, handler);
+#endif
+#endif
+
+    ret = SysTick_Config(g_cyclesPerTick);
+    if (ret == 1) {
+        return LOS_ERRNO_TICK_PER_SEC_TOO_SMALL;
+    }
+
+    return LOS_OK;
+}
+
+STATIC UINT64 SysTickReload(UINT64 nextResponseTime)
+{
+    if (nextResponseTime > g_archTickTimer.periodMax) {
+        nextResponseTime = g_archTickTimer.periodMax;
+    }
+
+    SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
+    SysTick->LOAD = (UINT32)(nextResponseTime - 1UL); /* set reload register */
+    SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
+    NVIC_ClearPendingIRQ(SysTick_IRQn);
+    SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
+    return nextResponseTime;
+}
+
+STATIC UINT64 SysTickCycleGet(UINT32 *period)
+{
+    UINT32 hwCycle = 0；
+    UINT32 intSave = LOS_IntLock();
+    UINT32 val = SysTick->VAL;
+    *period = SysTick->LOAD;
+    if (val != 0) {
+        hwCycle = *period - val;
+    }
+    LOS_IntRestore(intSave);
+    return (UINT64)hwCycle;
+}
+
+STATIC VOID SysTickLock(VOID)
+{
+    SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
+}
+
+STATIC VOID SysTickUnlock(VOID)
+{
+    SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
+}
+
+ArchTickTimer *ArchSysTickTimerGet(VOID)
+{
+    return &g_archTickTimer;
+}
+
+UINT32 ArchEnterSleep(VOID)
+{
+    __DSB();
+    __WFI();
+    __ISB();
+
+    return LOS_OK;
+}

arch/arm/cortex-m55/gcc/TZ/non_secure/los_trustzone.c

@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_trustzone.h"
+#include "los_secure_macros.h"
+#include "los_secure_context.h"
+#include "los_debug.h"
+#include "los_arch_context.h"
+#include "los_interrupt.h"
+
+OsSecureContext *g_secureContext = NULL;
+
+VOID HalSecureSVCHandler(UINT32 svcID, UINTPTR arg)
+{
+    switch (svcID) {
+        case OS_SVC_START_SCHEDULE:
+            HalSecureContextInit();
+            HalStartFirstTask();
+            break;
+        case OS_SVC_ALLOCATE_SECURE_CONTEXT:
+            g_secureContext = HalSecureContextAlloc(arg);
+            LOS_ASSERT(g_secureContext != NULL);
+            HalSecureContextLoad(g_secureContext);
+            break;
+        case OS_SVC_FREE_SECURE_CONTEXT:
+            HalSecureContextFree(g_secureContext);
+            break;
+        default:
+            PRINT_ERR("Incorrect svc id = %u\n", svcID);
+            break;
+    }
+}
+
+VOID HalStartToRun(VOID)
+{
+    HalSVCStartSchedule();
+}
+
+VOID LOS_SecureContextAlloc(UINT32 secureStackSize)
+{
+    if (secureStackSize == 0) {
+        return;
+    }
+
+    LOS_ASSERT((__get_IPSR() == 0) && (__get_PRIMASK() == 0));
+    secureStackSize = LOS_Align(secureStackSize, sizeof(UINTPTR));
+    HalSVCSecureContextAlloc(secureStackSize);
+}
+
+VOID LOS_SecureContextFree(VOID)
+{
+    HalSVCSecureContextFree();
+}
+

arch/arm/cortex-m55/gcc/TZ/non_secure/los_trustzone.h

@@ -1,106 +1,60 @@
-/*
- * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
- * Copyright (c) 2021 Nuclei Limited. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without modification,
- * are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice, this list of
- *    conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright notice, this list
- *    of conditions and the following disclaimer in the documentation and/or other materials
- *    provided with the distribution.
- *
- * 3. Neither the name of the copyright holder nor the names of its contributors may be used
- *    to endorse or promote products derived from this software without specific prior written
- *    permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
- * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * Description: Provide a task example.
- */
-
-#include "task_sample.h"
-#include "los_config.h"
-#include "los_debug.h"
-#include "los_interrupt.h"
-#include "los_task.h"
-#include "los_tick.h"
-
-#ifdef __cplusplus
-#if __cplusplus
-extern "C" {
-#endif /* __cplusplus */
-#endif /* __cplusplus */
-
-UINT8 __attribute__ ((aligned (8))) g_memStart[OS_SYS_MEM_SIZE];
-
-VOID TaskSampleEntry2(VOID)
-{
-    while (1) {
-        printf("TaskSampleEntry2 running...\n");
-        LOS_TaskDelay(10000); /* 10 Seconds */
-    }
-}
-
-VOID TaskSampleEntry1(VOID)
-{
-    while (1) {
-        printf("TaskSampleEntry1 running...\n");
-        LOS_TaskDelay(2000); /* 2 Seconds */
-    }
-}
-
-VOID TaskSample(VOID)
-{
-    UINT32 uwRet;
-    UINT32 taskID1;
-    UINT32 taskID2;
-    TSK_INIT_PARAM_S stTask = {0};
-
-    stTask.pfnTaskEntry = (TSK_ENTRY_FUNC)TaskSampleEntry1;
-    stTask.uwStackSize = 0x1000;
-    stTask.pcName = "TaskSampleEntry1";
-    stTask.usTaskPrio = 6; /* Os task priority is 6 */
-    uwRet = LOS_TaskCreate(&taskID1, &stTask);
-    if (uwRet != LOS_OK) {
-        printf("Task1 create failed\n");
-    }
-
-    stTask.pfnTaskEntry = (TSK_ENTRY_FUNC)TaskSampleEntry2;
-    stTask.uwStackSize = 0x1000;
-    stTask.pcName = "TaskSampleEntry2";
-    stTask.usTaskPrio = 7; /* Os task priority is 7 */
-    uwRet = LOS_TaskCreate(&taskID2, &stTask);
-    if (uwRet != LOS_OK) {
-        printf("Task2 create failed\n");
-    }
-}
-
-VOID RunTaskSample(VOID)
-{
-    UINT32 ret;
-    ret = LOS_KernelInit();
-    if (ret == LOS_OK) {
-        TaskSample();
-        LOS_Start();
-    }
-}
-
-#ifdef __cplusplus
-#if __cplusplus
-}
-#endif /* __cplusplus */
-#endif /* __cplusplus */
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_TRUSTZONE_H
+#define _LOS_TRUSTZONE_H
+
+#include "los_config.h"
+#include "los_task.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+extern VOID LOS_SecureContextAlloc(UINT32 secureStackSize);
+extern VOID LOS_SecureContextFree(VOID);
+
+extern VOID HalStartFirstTask(VOID);
+extern VOID HalSVCStartSchedule(VOID);
+extern VOID HalSVCSecureContextAlloc(UINT32 secureStackSize);
+extern VOID HalSVCSecureContextFree(VOID);
+extern VOID HalSVCHandler(VOID);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif
+

arch/arm/cortex-m55/gcc/TZ/secure/los_secure_context.c

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_secure_context.h"
+#include "los_secure_macros.h"
+#include "los_secure_heap.h"
+
+OS_CMSE_NS_ENTRY VOID HalSecureContextInit(VOID)
+{
+    UINT32 ipsr;
+
+    OS_IPSR_READ(ipsr);
+    if (!ipsr) {
+        return;
+    }
+
+    HalSecureContextInitAsm();
+}
+
+OS_CMSE_NS_ENTRY OsSecureContext *HalSecureContextAlloc(UINT32 size)
+{
+    OsSecureContext *secureContext = NULL;
+    UINT32 ipsr;
+
+    OS_IPSR_READ(ipsr);
+    if (!ipsr) {
+        return NULL;
+    }
+
+    secureContext = HalSecureMalloc(sizeof(OsSecureContext));
+    if (secureContext == NULL) {
+        return NULL;
+    }
+
+    secureContext->stackLimit = HalSecureMalloc(size);
+    if (secureContext->stackLimit == NULL) {
+        HalSecureFree(secureContext);
+        return NULL;
+    }
+
+    secureContext->stackStart = secureContext->stackLimit + size;
+    secureContext->curStackPointer = secureContext->stackStart;
+
+    return secureContext;
+}
+
+OS_CMSE_NS_ENTRY VOID HalSecureContextFree(OsSecureContext *secureContext)
+{
+    UINT32 ipsr;
+
+    OS_IPSR_READ(ipsr);
+    if (!ipsr) {
+        return;
+    }
+
+    HalSecureFree(secureContext->stackLimit);
+    secureContext->stackLimit = NULL;
+    HalSecureFree(secureContext);
+}
+
+OS_CMSE_NS_ENTRY VOID HalSecureContextLoad(OsSecureContext *secureContext)
+{
+    HalSecureContextLoadAsm(secureContext);
+}
+
+OS_CMSE_NS_ENTRY VOID HalSecureContextSave(OsSecureContext *secureContext)
+{
+    HalSecureContextSaveAsm(secureContext);
+}
+

arch/arm/cortex-m55/gcc/TZ/secure/los_secure_context.h

@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_SECURE_CONTEXT_H
+#define _LOS_SECURE_CONTEXT_H
+
+#include "los_config.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+typedef struct {
+    UINT8 *curStackPointer;
+    UINT8 *stackLimit;
+    UINT8 *stackStart;
+} OsSecureContext;
+
+extern VOID HalSecureContextInit(VOID);
+extern OsSecureContext *HalSecureContextAlloc(UINT32 size);
+extern VOID HalSecureContextFree(OsSecureContext *secureContext);
+extern VOID HalSecureContextLoad(OsSecureContext *secureContext);
+extern VOID HalSecureContextSave(OsSecureContext *secureContext);
+
+extern VOID HalSecureContextInitAsm(VOID);
+extern VOID HalSecureContextLoadAsm(OsSecureContext *secureContext);
+extern VOID HalSecureContextSaveAsm(OsSecureContext *secureContext);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif

arch/arm/cortex-m55/gcc/TZ/secure/los_secure_context_asm.S

@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+ .syntax unified
+ .arch armv8.1-m.main
+ .fpu vfpv3-d16-fp16
+ .thumb
+
+.equ OS_SECURE_SCB_AIRCR,    0xE000ED0C
+
+    .section .text
+    .thumb
+
+    .type HalSecureContextInitAsm, %function
+    .global HalSecureContextInitAsm
+HalSecureContextInitAsm:
+    .fnstart
+    .cantunwind
+    LDR     R0, =OS_SECURE_SCB_AIRCR
+    LDR     R1, [R0]
+
+    MOV     R2, #0xFFFF
+    LSL     R2, R2, #16
+    BIC     R1, R1, R2
+    MOV     R2, #0x05FA
+    LSL     R2, R2, #16
+    ORR     R1, R1, R2
+
+    BIC     R1, R1, #0x4000
+    MOV     R2, #0x4000
+    ORR     R1, R1, R2
+    STR     R1, [R0]
+
+    MOV     R0, #0
+    MSR     PSPLIM, R0
+    MSR     PSP, R0
+    MOV     R0, #2
+    MSR     CONTROL, R0 
+    BX      LR
+    .fnend
+
+    .type HalSecureContextLoadAsm, %function
+    .global HalSecureContextLoadAsm
+HalSecureContextLoadAsm:
+    .fnstart
+    .cantunwind
+    MRS     R1, IPSR
+    CBZ     R1, __ThreadMode
+
+    LDMIA   R0!, {R1, R2}               /* R1 = g_secureContext->curStackPointer, R2 = g_secureContext->stackLimit. */
+    MSR     PSPLIM, R2                  /* Restore PSPLIM. */
+    MSR     PSP, R1                     /* Restore PSP. */
+    BX      LR
+    .fnend
+    
+    .type HalSecureContextSaveAsm, %function
+    .global HalSecureContextSaveAsm
+HalSecureContextSaveAsm:
+    .fnstart
+    .cantunwind
+    MRS     R0, IPSR
+    CBZ     R0, __ThreadMode
+
+    MRS     R0, PSP
+    STR     R0, [R1]                    /* g_secureContext->curStackPointer = R0. */
+    MOV     R0, #0
+    MSR     PSPLIM, R0                  /* No PSPLIM for the current task. */
+    MSR     PSP, R0                     /* No secure stack for the current task. */
+    .fnend
+
+__ThreadMode:
+    BX      LR

arch/arm/cortex-m55/gcc/TZ/secure/los_secure_heap.c

@@ -0,0 +1,229 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_secure_heap.h"
+#include "los_secure_macros.h"
+#include "los_config.h"
+#include "los_list.h"
+
+STATIC UINT8 __attribute__((aligned(0x4)))g_secureHeap[LOSCFG_SECURE_HEAP_SIZE] = {0};
+STATIC LOS_DL_LIST g_secureHeapFreeList = {NULL, NULL};
+
+struct OsSecureHeapNode {
+    LOS_DL_LIST freeNode;
+    struct OsSecureHeapNode *preNode;
+    UINT32 size : 24;
+    UINT32 used : 8;
+};
+
+#define OS_SECURE_HEAP_NODE_HEAD_SIZE   sizeof(struct OsSecureHeapNode)
+#define OS_SECURE_HEAP_ALIGN_SIZE       sizeof(UINTPTR)
+
+#define OS_SECURE_HEAP_NODE_USED        1
+#define OS_SECURE_HEAP_NODE_FREE        0
+
+#define OS_SECURE_HEAP_FIRST_NODE     ((struct OsSecureHeapNode *)g_secureHeap)
+#define OS_SECURE_HEAP_NEXT_NODE(node) \
+    ((struct OsSecureHeapNode *)((UINT8 *)(node) + (node)->size))
+#define OS_SECURE_HEAP_END_NODE \
+    ((struct OsSecureHeapNode *)((UINT8 *)g_secureHeap + LOSCFG_SECURE_HEAP_SIZE - OS_SECURE_HEAP_NODE_HEAD_SIZE))
+
+STATIC INLINE VOID OsSecureHeapListInit(LOS_DL_LIST *head)
+{
+    head->pstPrev = head;
+    head->pstNext = head;
+}
+
+STATIC INLINE VOID OsSecureHeapListDelete(LOS_DL_LIST *node)
+{
+    node->pstNext->pstPrev = node->pstPrev;
+    node->pstPrev->pstNext = node->pstNext;
+    node->pstNext = NULL;
+    node->pstPrev = NULL;
+}
+
+STATIC INLINE VOID OsSecureHeapListAdd(LOS_DL_LIST *listNode, LOS_DL_LIST *node)
+{
+    node->pstNext = listNode->pstNext;
+    node->pstPrev = listNode;
+    listNode->pstNext->pstPrev = node;
+    listNode->pstNext = node;
+}
+
+STATIC struct OsSecureHeapNode *OsSecureHeapFindSuitableFreeBlock(UINT32 allocSize)
+{
+    LOS_DL_LIST *listNodeHead = &g_secureHeapFreeList;
+    struct OsSecureHeapNode *tmpNode = NULL;
+
+    LOS_DL_LIST_FOR_EACH_ENTRY(tmpNode, listNodeHead, struct OsSecureHeapNode, freeNode) {
+        if (tmpNode->size >= allocSize) {
+            return tmpNode;
+        }
+    }
+
+    return NULL;
+}
+
+STATIC INLINE VOID OsSecureHeapClearNode(struct OsSecureHeapNode *node)
+{
+    node->preNode = NULL;
+    node->size = 0;
+    node->used = 0;
+    node->freeNode.pstPrev = NULL;
+    node->freeNode.pstNext = NULL;
+}
+
+STATIC INLINE VOID OsSecureHeapMergeNode(struct OsSecureHeapNode *node)
+{
+    struct OsSecureHeapNode *nextNode = NULL;
+
+    node->preNode->size += node->size;
+    nextNode = (struct OsSecureHeapNode *)((UINTPTR)node + node->size);
+    nextNode->preNode = node->preNode;
+    OsSecureHeapClearNode(node);
+}
+
+STATIC INLINE VOID OsSecureHeapSplitNode(struct OsSecureHeapNode *allocNode, UINT32 allocSize)
+{
+    struct OsSecureHeapNode *newFreeNode = NULL;
+    struct OsSecureHeapNode *nextNode = NULL;
+
+    newFreeNode = (struct OsSecureHeapNode *)((UINT8 *)allocNode + allocSize);
+    newFreeNode->preNode = allocNode;
+    newFreeNode->size = allocNode->size - allocSize;
+    newFreeNode->used = OS_SECURE_HEAP_NODE_FREE;
+    allocNode->size = allocSize;
+    nextNode = OS_SECURE_HEAP_NEXT_NODE(newFreeNode);
+    nextNode->preNode = newFreeNode;
+    if (nextNode->used == OS_SECURE_HEAP_NODE_FREE) {
+        OsSecureHeapListDelete(&nextNode->freeNode);
+        OsSecureHeapMergeNode(nextNode);
+    }
+
+    OsSecureHeapListAdd(&g_secureHeapFreeList, &newFreeNode->freeNode);
+}
+
+STATIC INLINE VOID OsSecureHeapFreeNode(struct OsSecureHeapNode *node)
+{
+    struct OsSecureHeapNode *nextNode = NULL;
+
+    if ((node->preNode != NULL) && (node->preNode->used == OS_SECURE_HEAP_NODE_FREE)) {
+        struct OsSecureHeapNode *preNode = node->preNode;
+        OsSecureHeapMergeNode(node);
+        nextNode = OS_SECURE_HEAP_NEXT_NODE(preNode);
+        if (nextNode->used == OS_SECURE_HEAP_NODE_FREE) {
+            OsSecureHeapListDelete(&nextNode->freeNode);
+            OsSecureHeapMergeNode(nextNode);
+        }
+
+        OsSecureHeapListDelete(&preNode->freeNode);
+        preNode->used = OS_SECURE_HEAP_NODE_FREE;
+        OsSecureHeapListAdd(&g_secureHeapFreeList, &preNode->freeNode);
+    } else {
+        nextNode = OS_SECURE_HEAP_NEXT_NODE(node);
+        if (nextNode->used == OS_SECURE_HEAP_NODE_FREE) {
+            OsSecureHeapListDelete(&nextNode->freeNode);
+            OsSecureHeapMergeNode(nextNode);
+        }
+
+        node->used = OS_SECURE_HEAP_NODE_FREE;
+        OsSecureHeapListAdd(&g_secureHeapFreeList, &node->freeNode);
+    }
+}
+
+STATIC INLINE VOID *OsSecureHeapAllocNode(UINT32 size)
+{
+    struct OsSecureHeapNode *allocNode = NULL;
+    UINT32 allocSize;
+
+    allocSize = LOS_Align(size + OS_SECURE_HEAP_NODE_HEAD_SIZE, OS_SECURE_HEAP_ALIGN_SIZE);
+    allocNode = OsSecureHeapFindSuitableFreeBlock(allocSize);
+    if (allocNode == NULL) {
+        return NULL;
+    }
+    if ((allocSize + OS_SECURE_HEAP_NODE_HEAD_SIZE + OS_SECURE_HEAP_ALIGN_SIZE) <= allocNode->size) {
+        OsSecureHeapSplitNode(allocNode, allocSize);
+    }
+    OsSecureHeapListDelete(&allocNode->freeNode);
+    allocNode->used = OS_SECURE_HEAP_NODE_USED;
+
+    return (allocNode + 1);
+}
+
+STATIC INLINE VOID OsSecureHeapInit(VOID)
+{
+    struct OsSecureHeapNode *newNode = NULL;
+    struct OsSecureHeapNode *endNode = NULL;
+
+    newNode = OS_SECURE_HEAP_FIRST_NODE;
+    newNode->size = LOSCFG_SECURE_HEAP_SIZE - OS_SECURE_HEAP_NODE_HEAD_SIZE;
+    newNode->preNode = OS_SECURE_HEAP_END_NODE;
+    newNode->used = OS_SECURE_HEAP_NODE_FREE;
+
+    OsSecureHeapListInit(&g_secureHeapFreeList);
+    OsSecureHeapListAdd(&g_secureHeapFreeList, &newNode->freeNode);
+
+    endNode = OS_SECURE_HEAP_END_NODE;
+    endNode->preNode = newNode;
+    endNode->size = OS_SECURE_HEAP_NODE_HEAD_SIZE;
+    endNode->used = OS_SECURE_HEAP_NODE_USED;
+}
+
+OS_CMSE_NS_ENTRY VOID *HalSecureMalloc(UINT32 size)
+{
+    if (size == 0) {
+        return NULL;
+    }
+
+    if ((g_secureHeapFreeList.pstPrev == NULL) &&
+        (g_secureHeapFreeList.pstNext == NULL)) {
+        OsSecureHeapInit();
+    }
+
+    return OsSecureHeapAllocNode(size);
+}
+
+OS_CMSE_NS_ENTRY VOID HalSecureFree(VOID *ptr)
+{
+    struct OsSecureHeapNode *node = NULL;
+
+    if (ptr == NULL) {
+        return;
+    }
+
+    node = (struct OsSecureHeapNode *)((UINTPTR)ptr - OS_SECURE_HEAP_NODE_HEAD_SIZE);
+    if (node->used != OS_SECURE_HEAP_NODE_USED) {
+        return;
+    }
+
+    OsSecureHeapFreeNode(node);
+}
+

arch/arm/cortex-m55/gcc/TZ/secure/los_secure_heap.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_SECURE_HEAP_H
+#define _LOS_SECURE_HEAP_H
+
+#include "los_config.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+VOID *HalSecureMalloc(UINT32 size);
+VOID HalSecureFree(VOID *ptr);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif
+

arch/arm/cortex-m55/gcc/TZ/secure/los_secure_macros.h

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_SECURE_MACROS_H
+#define _LOS_SECURE_MACROS_H
+
+#include "los_config.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#define OS_CMSE_NS_ENTRY      __attribute__((cmse_nonsecure_entry))
+#define OS_CMSE_NS_CALL       __attribute__((cmse_nonsecure_call))
+#define OS_IPSR_READ(ipsr)    __asm volatile("MRS %0, IPSR" : "=r" (ipsr))
+
+#define OS_SVC_ALLOCATE_SECURE_CONTEXT  0
+#define OS_SVC_FREE_SECURE_CONTEXT      1
+#define OS_SVC_START_SCHEDULE           2
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif
+

arch/arm/cortex-m55/iar/BUILD.gn

@@ -0,0 +1,38 @@
+# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//kernel/liteos_m/liteos.gni")
+
+module_group("iar") {
+  if (defined(LOSCFG_SECURE_TRUSTZONE)) {
+    modules = [ "TZ" ]
+  } else {
+    modules = [ "NTZ" ]
+  }
+}

arch/arm/cortex-m55/iar/NTZ/BUILD.gn

@@ -0,0 +1,46 @@
+# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//kernel/liteos_m/liteos.gni")
+
+module_name = "arch"
+kernel_module(module_name) {
+  sources = [
+    "los_context.c",
+    "los_dispatch.S",
+    "los_exc.S",
+    "los_interrupt.c",
+    "los_timer.c",
+  ]
+  configs += [ "$LITEOSTOPDIR:warn_config" ]
+}
+
+config("public") {
+  include_dirs = [ "." ]
+}

arch/arm/cortex-m55/iar/NTZ/los_arch_atomic.h

@@ -0,0 +1,297 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_ARCH_ATOMIC_H
+#define _LOS_ARCH_ATOMIC_H
+
+#include "los_compiler.h"
+#include "los_interrupt.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+STATIC INLINE INT32 ArchAtomicRead(const Atomic *v)
+{
+    INT32 val;
+
+    asm volatile("ldrex %0, [%1]\n"
+                 : "=&r"(val)
+                 : "r"(v)
+                 : "cc");
+
+    return val;
+}
+
+STATIC INLINE VOID ArchAtomicSet(Atomic *v, INT32 setVal)
+{
+    UINT32 status;
+
+    do {
+        asm volatile("ldrex %0, [%1]\n"
+                     "strex %0, %2, [%1]\n"
+                     : "=&r"(status)
+                     : "r"(v), "r"(setVal)
+                     : "cc");
+    } while (status != 0);
+}
+
+STATIC INLINE INT32 ArchAtomicAdd(Atomic *v, INT32 addVal)
+{
+    INT32 val;
+    UINT32 status;
+
+    do {
+        asm volatile("ldrex %1, [%2]\n"
+                     "add %1, %1, %3\n"
+                     "strex %0, %1, [%2]"
+                     : "=&r"(status), "=&r"(val)
+                     : "r"(v), "r"(addVal)
+                     : "cc");
+    } while (status != 0);
+
+    return val;
+}
+
+STATIC INLINE INT32 ArchAtomicSub(Atomic *v, INT32 subVal)
+{
+    INT32 val;
+    UINT32 status;
+
+    do {
+        asm volatile("ldrex %1, [%2]\n"
+                     "sub %1, %1, %3\n"
+                     "strex %0, %1, [%2]"
+                     : "=&r"(status), "=&r"(val)
+                     : "r"(v), "r"(subVal)
+                     : "cc");
+    } while (status != 0);
+
+    return val;
+}
+
+STATIC INLINE VOID ArchAtomicInc(Atomic *v)
+{
+    (VOID)ArchAtomicAdd(v, 1);
+}
+
+STATIC INLINE VOID ArchAtomicDec(Atomic *v)
+{
+    (VOID)ArchAtomicSub(v, 1);
+}
+
+STATIC INLINE INT32 ArchAtomicIncRet(Atomic *v)
+{
+    return ArchAtomicAdd(v, 1);
+}
+
+STATIC INLINE INT32 ArchAtomicDecRet(Atomic *v)
+{
+    return ArchAtomicSub(v, 1);
+}
+
+/**
+ * @ingroup  los_arch_atomic
+ * @brief Atomic exchange for 32-bit variable.
+ *
+ * @par Description:
+ * This API is used to implement the atomic exchange for 32-bit variable
+ * and return the previous value of the atomic variable.
+ * @attention
+ * <ul>The pointer v must not be NULL.</ul>
+ *
+ * @param  v       [IN] The variable pointer.
+ * @param  val     [IN] The exchange value.
+ *
+ * @retval #INT32       The previous value of the atomic variable
+ * @par Dependency:
+ * <ul><li>los_arch_atomic.h: the header file that contains the API declaration.</li></ul>
+ * @see
+ */
+STATIC INLINE INT32 ArchAtomicXchg32bits(volatile INT32 *v, INT32 val)
+{
+    INT32 prevVal = 0;
+    UINT32 status = 0;
+
+    do {
+        asm volatile("ldrex %0, [%2]\n"
+                     "strex %1, %3, [%2]"
+                     : "=&r"(prevVal), "=&r"(status)
+                     : "r"(v), "r"(val)
+                     : "cc");
+    } while (status != 0);
+
+    return prevVal;
+}
+
+/**
+ * @ingroup  los_arch_atomic
+ * @brief Atomic exchange for 32-bit variable with compare.
+ *
+ * @par Description:
+ * This API is used to implement the atomic exchange for 32-bit variable, if the value of variable is equal to oldVal.
+ * @attention
+ * <ul>The pointer v must not be NULL.</ul>
+ *
+ * @param  v       [IN] The variable pointer.
+ * @param  val     [IN] The new value.
+ * @param  oldVal  [IN] The old value.
+ *
+ * @retval TRUE  The previous value of the atomic variable is not equal to oldVal.
+ * @retval FALSE The previous value of the atomic variable is equal to oldVal.
+ * @par Dependency:
+ * <ul><li>los_arch_atomic.h: the header file that contains the API declaration.</li></ul>
+ * @see
+ */
+STATIC INLINE BOOL ArchAtomicCmpXchg32bits(volatile INT32 *v, INT32 val, INT32 oldVal)
+{
+    INT32 prevVal = 0;
+    UINT32 status = 0;
+
+    do {
+        asm volatile("ldrex %0, [%2]\n"
+                     "mov %1, #0\n"
+                     "cmp %0, %3\n"
+                     "bne 1f\n"
+                     "strex %1, %4, [%2]\n"
+                     "1:"
+                     : "=&r"(prevVal), "=&r"(status)
+                     : "r"(v), "r"(oldVal), "r"(val)
+                     : "cc");
+    } while (status != 0);
+
+    return prevVal != oldVal;
+}
+
+STATIC INLINE INT64 ArchAtomic64Read(const Atomic64 *v)
+{
+    INT64 val;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    val = *v;
+    LOS_IntRestore(intSave);
+
+    return val;
+}
+
+STATIC INLINE VOID ArchAtomic64Set(Atomic64 *v, INT64 setVal)
+{
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    *v = setVal;
+    LOS_IntRestore(intSave);
+}
+
+STATIC INLINE INT64 ArchAtomic64Add(Atomic64 *v, INT64 addVal)
+{
+    INT64 val;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    *v += addVal;
+    val = *v;
+    LOS_IntRestore(intSave);
+
+    return val;
+}
+
+STATIC INLINE INT64 ArchAtomic64Sub(Atomic64 *v, INT64 subVal)
+{
+    INT64 val;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    *v -= subVal;
+    val = *v;
+    LOS_IntRestore(intSave);
+
+    return val;
+}
+
+STATIC INLINE VOID ArchAtomic64Inc(Atomic64 *v)
+{
+    (VOID)ArchAtomic64Add(v, 1);
+}
+
+STATIC INLINE INT64 ArchAtomic64IncRet(Atomic64 *v)
+{
+    return ArchAtomic64Add(v, 1);
+}
+
+STATIC INLINE VOID ArchAtomic64Dec(Atomic64 *v)
+{
+    (VOID)ArchAtomic64Sub(v, 1);
+}
+
+STATIC INLINE INT64 ArchAtomic64DecRet(Atomic64 *v)
+{
+    return ArchAtomic64Sub(v, 1);
+}
+
+STATIC INLINE INT64 ArchAtomicXchg64bits(Atomic64 *v, INT64 val)
+{
+    INT64 prevVal;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    prevVal = *v;
+    *v = val;
+    LOS_IntRestore(intSave);
+
+    return prevVal;
+}
+
+STATIC INLINE BOOL ArchAtomicCmpXchg64bits(Atomic64 *v, INT64 val, INT64 oldVal)
+{
+    INT64 prevVal;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    prevVal = *v;
+    if (prevVal == oldVal) {
+        *v = val;
+    }
+    LOS_IntRestore(intSave);
+
+    return prevVal != oldVal;
+}
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_ARCH_ATOMIC_H */

arch/arm/cortex-m55/iar/NTZ/los_arch_context.h

@@ -0,0 +1,131 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_ARCH_CONTEXT_H
+#define _LOS_ARCH_CONTEXT_H
+
+#include "los_config.h"
+#include "los_compiler.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+typedef struct TagTskContext {
+#if ((defined(__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined(__FPU_USED) && (__FPU_USED == 1U)))
+    UINT32 S16;
+    UINT32 S17;
+    UINT32 S18;
+    UINT32 S19;
+    UINT32 S20;
+    UINT32 S21;
+    UINT32 S22;
+    UINT32 S23;
+    UINT32 S24;
+    UINT32 S25;
+    UINT32 S26;
+    UINT32 S27;
+    UINT32 S28;
+    UINT32 S29;
+    UINT32 S30;
+    UINT32 S31;
+#endif
+    UINT32 uwR4;
+    UINT32 uwR5;
+    UINT32 uwR6;
+    UINT32 uwR7;
+    UINT32 uwR8;
+    UINT32 uwR9;
+    UINT32 uwR10;
+    UINT32 uwR11;
+    UINT32 uwPriMask;
+    UINT32 uwR0;
+    UINT32 uwR1;
+    UINT32 uwR2;
+    UINT32 uwR3;
+    UINT32 uwR12;
+    UINT32 uwLR;
+    UINT32 uwPC;
+    UINT32 uwxPSR;
+#if ((defined(__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined(__FPU_USED) && (__FPU_USED == 1U)))
+    UINT32 S0;
+    UINT32 S1;
+    UINT32 S2;
+    UINT32 S3;
+    UINT32 S4;
+    UINT32 S5;
+    UINT32 S6;
+    UINT32 S7;
+    UINT32 S8;
+    UINT32 S9;
+    UINT32 S10;
+    UINT32 S11;
+    UINT32 S12;
+    UINT32 S13;
+    UINT32 S14;
+    UINT32 S15;
+    UINT32 FPSCR;
+    UINT32 NO_NAME;
+#endif
+} TaskContext;
+
+/**
+ * @ingroup  los_config
+ * @brief: Task start running function.
+ *
+ * @par Description:
+ * This API is used to start a task.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param: None.
+ *
+ * @retval None.
+ *
+ * @par Dependency:
+ * <ul><li>los_config.h: the header file that contains the API declaration.</li></ul>
+ * @see None.
+ */
+extern VOID HalStartToRun(VOID);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_ARCH_CONTEXT_H */
+

arch/arm/cortex-m55/iar/NTZ/los_arch_interrupt.h

@@ -0,0 +1,684 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_EXC_H
+#define _LOS_EXC_H
+
+#include "los_config.h"
+#include "los_compiler.h"
+#include "los_interrupt.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+/* *
+ * @ingroup los_hwi
+ * Maximum number of used hardware interrupts.
+ */
+#ifndef OS_HWI_MAX_NUM
+#define OS_HWI_MAX_NUM                        LOSCFG_PLATFORM_HWI_LIMIT
+#endif
+
+/* *
+ * @ingroup los_hwi
+ * Highest priority of a hardware interrupt.
+ */
+#ifndef OS_HWI_PRIO_HIGHEST
+#define OS_HWI_PRIO_HIGHEST                   0
+#endif
+
+/* *
+ * @ingroup los_hwi
+ * Lowest priority of a hardware interrupt.
+ */
+#ifndef OS_HWI_PRIO_LOWEST
+#define OS_HWI_PRIO_LOWEST                    7
+#endif
+
+
+/* *
+ * @ingroup  los_hwi
+ * Define the type of a hardware interrupt vector table function.
+ */
+typedef VOID (**HWI_VECTOR_FUNC)(void);
+
+/* *
+ * @ingroup los_hwi
+ * Count of interrupts.
+ */
+extern UINT32 g_intCount;
+
+/* *
+ * @ingroup los_hwi
+ * Count of M-Core system interrupt vector.
+ */
+#define OS_SYS_VECTOR_CNT                     16
+
+/* *
+ * @ingroup los_hwi
+ * Count of M-Core interrupt vector.
+ */
+#define OS_VECTOR_CNT                         (OS_SYS_VECTOR_CNT + OS_HWI_MAX_NUM)
+
+/* *
+ * @ingroup los_hwi
+ * AIRCR register priority group parameter .
+ */
+#define OS_NVIC_AIRCR_PRIGROUP                7
+
+/* *
+ * @ingroup los_hwi
+ * Boot interrupt vector table.
+ */
+extern UINT32 _BootVectors[];
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: Invalid interrupt number.
+ *
+ * Value: 0x02000900
+ *
+ * Solution: Ensure that the interrupt number is valid.
+ * The value range of the interrupt number applicable for a Cortex-M33 platform is [OS_USER_HWI_MIN,OS_USER_HWI_MAX].
+ */
+#define OS_ERRNO_HWI_NUM_INVALID              LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x00)
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: Null hardware interrupt handling function.
+ *
+ * Value: 0x02000901
+ *
+ * Solution: Pass in a valid non-null hardware interrupt handling function.
+ */
+#define OS_ERRNO_HWI_PROC_FUNC_NULL           LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x01)
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: Insufficient interrupt resources for hardware interrupt creation.
+ *
+ * Value: 0x02000902
+ *
+ * Solution: Increase the configured maximum number of supported hardware interrupts.
+ */
+#define OS_ERRNO_HWI_CB_UNAVAILABLE           LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x02)
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: Insufficient memory for hardware interrupt initialization.
+ *
+ * Value: 0x02000903
+ *
+ * Solution: Expand the configured memory.
+ */
+#define OS_ERRNO_HWI_NO_MEMORY                LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x03)
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: The interrupt has already been created.
+ *
+ * Value: 0x02000904
+ *
+ * Solution: Check whether the interrupt specified by the passed-in interrupt number has already been created.
+ */
+#define OS_ERRNO_HWI_ALREADY_CREATED          LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x04)
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: Invalid interrupt priority.
+ *
+ * Value: 0x02000905
+ *
+ * Solution: Ensure that the interrupt priority is valid.
+ * The value range of the interrupt priority applicable for a Cortex-M33 platform is [0,15].
+ */
+#define OS_ERRNO_HWI_PRIO_INVALID             LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x05)
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: Incorrect interrupt creation mode.
+ *
+ * Value: 0x02000906
+ *
+ * Solution: The interrupt creation mode can be only set to OS_HWI_MODE_COMM or
+ * OS_HWI_MODE_FAST of which the value can be 0 or 1.
+ */
+#define OS_ERRNO_HWI_MODE_INVALID             LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x06)
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: The interrupt has already been created as a fast interrupt.
+ *
+ * Value: 0x02000907
+ *
+ * Solution: Check whether the interrupt specified by the passed-in interrupt number has already been created.
+ */
+#define OS_ERRNO_HWI_FASTMODE_ALREADY_CREATED LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x07)
+
+/* *
+ * @ingroup los_hwi
+ * SysTick control and status register.
+ */
+#define OS_SYSTICK_CONTROL_REG                0xE000E010
+
+/* *
+ * @ingroup los_hw
+ * SysTick current value register.
+ */
+#define OS_SYSTICK_CURRENT_REG                0xE000E018
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt Priority-Level Registers.
+ */
+#define OS_NVIC_PRI_BASE                      0xE000E400
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt enable register for 0-31.
+ */
+#define OS_NVIC_SETENA_BASE                   0xE000E100
+
+/* *
+ * @ingroup los_hwi
+ * interrupt pending register.
+ */
+#define OS_NVIC_SETPEND_BASE                  0xE000E200
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt active register.
+ */
+#define OS_NVIC_INT_ACT_BASE                  0xE000E300
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt disable register for 0-31.
+ */
+#define OS_NVIC_CLRENA_BASE                   0xE000E180
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt control and status register.
+ */
+#define OS_NVIC_INT_CTRL                      0xE000ED04
+
+/* *
+ * @ingroup los_hwi
+ * Vector table offset register.
+ */
+#define OS_NVIC_VTOR                          0xE000ED08
+
+/* *
+ * @ingroup los_hwi
+ * Application interrupt and reset control register
+ */
+#define OS_NVIC_AIRCR                         0xE000ED0C
+
+/* *
+ * @ingroup los_hwi
+ * System exception priority register.
+ */
+#define OS_NVIC_EXCPRI_BASE                   0xE000ED18
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 1 :reset.
+ */
+#define OS_EXC_RESET                          1
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 2 :Non-Maskable Interrupt.
+ */
+#define OS_EXC_NMI                            2
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 3 :(hard)fault.
+ */
+#define OS_EXC_HARD_FAULT                     3
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 4 :MemManage fault.
+ */
+#define OS_EXC_MPU_FAULT                      4
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 5 :Bus fault.
+ */
+#define OS_EXC_BUS_FAULT                      5
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 6 :Usage fault.
+ */
+#define OS_EXC_USAGE_FAULT                    6
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 11 :SVCall.
+ */
+#define OS_EXC_SVC_CALL                       11
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 12 :Debug monitor.
+ */
+#define OS_EXC_DBG_MONITOR                    12
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 14 :PendSV.
+ */
+#define OS_EXC_PEND_SV                        14
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 15 :SysTick.
+ */
+#define OS_EXC_SYS_TICK                       15
+
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+/* *
+ * @ingroup los_hwi
+ * Set interrupt vector table.
+ */
+extern VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector, VOID *arg);
+#else
+/* *
+ * @ingroup los_hwi
+ * Set interrupt vector table.
+ */
+extern VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector);
+#endif
+
+/* *
+ * @ingroup  los_hwi
+ * @brief: Hardware interrupt entry function.
+ *
+ * @par Description:
+ * This API is used as all hardware interrupt handling function entry.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param:None.
+ *
+ * @retval:None.
+ * @par Dependency:
+ * <ul><li>los_hwi.h: the header file that contains the API declaration.</li></ul>
+ * @see None.
+ */
+extern VOID HalInterrupt(VOID);
+
+/* *
+ * @ingroup  los_hwi
+ * @brief: Default vector handling function.
+ *
+ * @par Description:
+ * This API is used to configure interrupt for null function.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param:None.
+ *
+ * @retval:None.
+ * @par Dependency:
+ * <ul><li>los_hwi.h: the header file that contains the API declaration.</li
+></ul>
+ * @see None.
+ */
+extern VOID HalHwiDefaultHandler(VOID);
+
+/* *
+ * @ingroup  los_hwi
+ * @brief: Reset the vector table.
+ *
+ * @par Description:
+ * This API is used to reset the vector table.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param:None.
+ *
+ * @retval:None.
+ * @par Dependency:
+ * <ul><li>los_hwi.h: the header file that contains the API declaration.</li></ul>
+ * @see None.
+ */
+extern VOID Reset_Handler(VOID);
+
+/* *
+ * @ingroup  los_hwi
+ * @brief: Pended System Call.
+ *
+ * @par Description:
+ * PendSV can be pended and is useful for an OS to pend an exception
+ * so that an action can be performed after other important tasks are completed.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param:None.
+ *
+ * @retval:None.
+ * @par Dependency:
+ * <ul><li>los_hwi.h: the header file that contains the API declaration.</li></ul>
+ * @see None.
+ */
+extern VOID HalPendSV(VOID);
+
+
+#define OS_EXC_IN_INIT                      0
+#define OS_EXC_IN_TASK                      1
+#define OS_EXC_IN_HWI                       2
+
+#define OS_EXC_MAX_BUF_LEN                  25
+#define OS_EXC_MAX_NEST_DEPTH               1
+
+#define OS_NVIC_SHCSR                       0xE000ED24
+#define OS_NVIC_CCR                         0xE000ED14
+
+#define OS_NVIC_INT_ENABLE_SIZE             0x20
+#define OS_NVIC_INT_PRI_SIZE                0xF0
+#define OS_NVIC_EXCPRI_SIZE                 0xC
+#define OS_NVIC_INT_CTRL_SIZE               4
+#define OS_NVIC_SHCSR_SIZE                  4
+
+#define OS_NVIC_INT_PEND_SIZE               OS_NVIC_INT_ACT_SIZE
+#define OS_NVIC_INT_ACT_SIZE                OS_NVIC_INT_ENABLE_SIZE
+
+#define OS_EXC_FLAG_NO_FLOAT                0x10000000
+#define OS_EXC_FLAG_FAULTADDR_VALID         0x01
+#define OS_EXC_FLAG_IN_HWI                  0x02
+
+#define OS_EXC_IMPRECISE_ACCESS_ADDR        0xABABABAB
+
+#define OS_EXC_EVENT                        0x00000001
+
+/**
+ * @ingroup los_exc
+ * the struct of register files
+ *
+ * description: the register files that saved when exception triggered
+ *
+ * notes:the following register with prefix 'uw'  correspond to the registers in the cpu  data sheet.
+ */
+typedef struct TagExcContext {
+#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined (__FPU_USED   ) && (__FPU_USED    == 1U))     )
+    UINT32 S16;
+    UINT32 S17;
+    UINT32 S18;
+    UINT32 S19;
+    UINT32 S20;
+    UINT32 S21;
+    UINT32 S22;
+    UINT32 S23;
+    UINT32 S24;
+    UINT32 S25;
+    UINT32 S26;
+    UINT32 S27;
+    UINT32 S28;
+    UINT32 S29;
+    UINT32 S30;
+    UINT32 S31;
+#endif
+    UINT32 uwR4;
+    UINT32 uwR5;
+    UINT32 uwR6;
+    UINT32 uwR7;
+    UINT32 uwR8;
+    UINT32 uwR9;
+    UINT32 uwR10;
+    UINT32 uwR11;
+    UINT32 uwPriMask;
+    /* auto save */
+    UINT32 uwSP;
+    UINT32 uwR0;
+    UINT32 uwR1;
+    UINT32 uwR2;
+    UINT32 uwR3;
+    UINT32 uwR12;
+    UINT32 uwLR;
+    UINT32 uwPC;
+    UINT32 uwxPSR;
+#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined (__FPU_USED) && (__FPU_USED== 1U)))
+    UINT32 S0;
+    UINT32 S1;
+    UINT32 S2;
+    UINT32 S3;
+    UINT32 S4;
+    UINT32 S5;
+    UINT32 S6;
+    UINT32 S7;
+    UINT32 S8;
+    UINT32 S9;
+    UINT32 S10;
+    UINT32 S11;
+    UINT32 S12;
+    UINT32 S13;
+    UINT32 S14;
+    UINT32 S15;
+    UINT32 FPSCR;
+    UINT32 NO_NAME;
+#endif
+}EXC_CONTEXT_S;
+
+typedef VOID (*EXC_PROC_FUNC)(UINT32, EXC_CONTEXT_S *);
+VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr);
+
+VOID HalExcNMI(VOID);
+VOID HalExcHardFault(VOID);
+VOID HalExcMemFault(VOID);
+VOID HalExcBusFault(VOID);
+VOID HalExcUsageFault(VOID);
+VOID HalSVCHandler(VOID);
+VOID HalHwiInit(VOID);
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: An error occurred while the bus status register was being pushed.
+ */
+#define OS_EXC_BF_STKERR           1
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: An error occurred while the bus status register was out of the stack.
+ */
+#define OS_EXC_BF_UNSTKERR         2
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Bus status register imprecise data access violation.
+ */
+#define OS_EXC_BF_IMPRECISERR      3
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Bus status register exact data access violation.
+ */
+#define OS_EXC_BF_PRECISERR        4
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Bus status register access violation while pointing.
+ */
+#define OS_EXC_BF_IBUSERR          5
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: An error occurred while the memory management status register was being pushed.
+ */
+#define OS_EXC_MF_MSTKERR          6
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: An error occurred while the memory management status register was out of the stack.
+ */
+#define OS_EXC_MF_MUNSTKERR        7
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Memory management status register data access violation.
+ */
+#define OS_EXC_MF_DACCVIOL         8
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Memory management status register access violation.
+ */
+#define OS_EXC_MF_IACCVIOL         9
+
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Incorrect usage indicating that the divisor is zero during the division operation.
+ */
+#define OS_EXC_UF_DIVBYZERO        10
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Usage error, error caused by unaligned access.
+ */
+#define OS_EXC_UF_UNALIGNED        11
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Incorrect usage attempting to execute coprocessor related instruction.
+ */
+#define OS_EXC_UF_NOCP             12
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Usage error attempting to load EXC_RETURN to PC illegally on exception return.
+ */
+#define OS_EXC_UF_INVPC            13
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Incorrect usage, attempting to cut to ARM state.
+ */
+#define OS_EXC_UF_INVSTATE         14
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Incorrect usage. Executed instruction whose code is undefined.
+ */
+#define OS_EXC_UF_UNDEFINSTR       15
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: NMI
+ */
+
+#define OS_EXC_CAUSE_NMI           16
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: hard fault
+ */
+#define OS_EXC_CAUSE_HARDFAULT     17
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: The task handler exits.
+ */
+#define OS_EXC_CAUSE_TASK_EXIT     18
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: A fatal error.
+ */
+#define OS_EXC_CAUSE_FATAL_ERR     19
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Hard Fault caused by a debug event.
+ */
+#define OS_EXC_CAUSE_DEBUGEVT      20
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: A hard fault that occurs when a quantity is oriented.
+ */
+#define OS_EXC_CAUSE_VECTBL        21
+
+/**
+ * @ingroup los_exc
+ * Exception information structure
+ *
+ * Description: Exception information saved when an exception is triggered on the Cortex-M4 platform.
+ *
+ */
+typedef struct TagExcInfo {
+    /**< Exception occurrence phase: 0 means that an exception occurs in initialization,
+     * 1 means that an exception occurs in a task, and 2 means that an exception occurs in an interrupt */
+    UINT16 phase;
+    /**< Exception type. When exceptions occur, check the numbers 1 - 21 listed above */
+    UINT16 type;
+    /**< If the exact address access error indicates the wrong access address when the exception occurred */
+    UINT32 faultAddr;
+    /**< An exception occurs in an interrupt, indicating the interrupt number.
+     * An exception occurs in the task, indicating the task ID, or 0xFFFFFFFF if it occurs during initialization */
+    UINT32 thrdPid;
+    /**< Number of nested exceptions. Currently only registered hook functions are supported
+     * when an exception is entered for the first time */
+    UINT16 nestCnt;
+    /**< reserve */
+    UINT16 reserved;
+    /**< Hardware context at the time an exception to the automatic stack floating-point register occurs */
+    EXC_CONTEXT_S *context;
+} ExcInfo;
+
+extern UINT32 g_curNestCount;
+extern UINT32 g_intCount;
+extern UINT8 g_uwExcTbl[32];
+extern ExcInfo g_excInfo;
+
+#define MAX_INT_INFO_SIZE       (8 + 0x164)
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_EXC_H */

arch/arm/cortex-m55/iar/NTZ/los_arch_timer.h

@@ -1,7 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
  * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
- * Copyright (c) 2021 Nuclei Limited. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -27,15 +26,15 @@
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
- *
- * Description: Provide a task example.
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef _TASKSAMPLE_H
-#define _TASKSAMPLE_H
+#ifndef _LOS_ARCH_TIMER_H
+#define _LOS_ARCH_TIMER_H
 
+#include "los_config.h"
 #include "los_compiler.h"
+#include "los_timer.h"
 
 #ifdef __cplusplus
 #if __cplusplus
@@ -43,12 +42,11 @@ extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-VOID RunTaskSample(VOID);
-
 #ifdef __cplusplus
 #if __cplusplus
 }
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-#endif /* _TASKSAMPLE_H */
+#endif /* _LOS_ARCH_TIMER_H */
+

arch/arm/cortex-m55/iar/NTZ/los_context.c

@@ -0,0 +1,158 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_context.h"
+#include "securec.h"
+#include "los_arch_context.h"
+#include "los_arch_interrupt.h"
+#include "los_task.h"
+#include "los_sched.h"
+#include "los_interrupt.h"
+#include "los_debug.h"
+
+/* ****************************************************************************
+ Function    : ArchInit
+ Description : arch init function
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT VOID ArchInit(VOID)
+{
+    HalHwiInit();
+}
+
+/* ****************************************************************************
+ Function    : ArchSysExit
+ Description : Task exit function
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_MINOR VOID ArchSysExit(VOID)
+{
+    LOS_IntLock();
+    while (1) {
+    }
+}
+
+/* ****************************************************************************
+ Function    : ArchTskStackInit
+ Description : Task stack initialization function
+ Input       : taskID     --- TaskID
+               stackSize  --- Total size of the stack
+               topStack    --- Top of task's stack
+ Output      : None
+ Return      : Context pointer
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT VOID *ArchTskStackInit(UINT32 taskID, UINT32 stackSize, VOID *topStack)
+{
+    TaskContext *context = (TaskContext *)((UINTPTR)topStack + stackSize - sizeof(TaskContext));
+
+#if ((defined(__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined(__FPU_USED) && (__FPU_USED == 1U)))
+    context->S16 = 0xAA000010;
+    context->S17 = 0xAA000011;
+    context->S18 = 0xAA000012;
+    context->S19 = 0xAA000013;
+    context->S20 = 0xAA000014;
+    context->S21 = 0xAA000015;
+    context->S22 = 0xAA000016;
+    context->S23 = 0xAA000017;
+    context->S24 = 0xAA000018;
+    context->S25 = 0xAA000019;
+    context->S26 = 0xAA00001A;
+    context->S27 = 0xAA00001B;
+    context->S28 = 0xAA00001C;
+    context->S29 = 0xAA00001D;
+    context->S30 = 0xAA00001E;
+    context->S31 = 0xAA00001F;
+    context->S0 = 0xAA000000;
+    context->S1 = 0xAA000001;
+    context->S2 = 0xAA000002;
+    context->S3 = 0xAA000003;
+    context->S4 = 0xAA000004;
+    context->S5 = 0xAA000005;
+    context->S6 = 0xAA000006;
+    context->S7 = 0xAA000007;
+    context->S8 = 0xAA000008;
+    context->S9 = 0xAA000009;
+    context->S10 = 0xAA00000A;
+    context->S11 = 0xAA00000B;
+    context->S12 = 0xAA00000C;
+    context->S13 = 0xAA00000D;
+    context->S14 = 0xAA00000E;
+    context->S15 = 0xAA00000F;
+    context->FPSCR = 0x00000000;
+    context->NO_NAME = 0xAA000011;
+#endif
+
+    context->uwR4 = 0x04040404L;
+    context->uwR5 = 0x05050505L;
+    context->uwR6 = 0x06060606L;
+    context->uwR7 = 0x07070707L;
+    context->uwR8 = 0x08080808L;
+    context->uwR9 = 0x09090909L;
+    context->uwR10 = 0x10101010L;
+    context->uwR11 = 0x11111111L;
+    context->uwPriMask = 0;
+    context->uwR0 = taskID;
+    context->uwR1 = 0x01010101L;
+    context->uwR2 = 0x02020202L;
+    context->uwR3 = 0x03030303L;
+    context->uwR12 = 0x12121212L;
+    context->uwLR = (UINT32)(UINTPTR)ArchSysExit;
+    context->uwPC = (UINT32)(UINTPTR)OsTaskEntry;
+    context->uwxPSR = 0x01000000L;
+
+    return (VOID *)context;
+}
+
+VOID *ArchSignalContextInit(VOID *stackPointer, VOID *stackTop, UINTPTR sigHandler, UINT32 param)
+{
+    UNUSED(stackTop);
+    TaskContext *context = (TaskContext *)((UINTPTR)stackPointer - sizeof(TaskContext));
+    (VOID)memset_s((VOID *)context, sizeof(TaskContext), 0, sizeof(TaskContext));
+
+    context->uwR0 = param;
+    context->uwPC = sigHandler;
+    context->uwxPSR = 0x01000000L; /* Thumb flag, always set 1 */
+
+    return (VOID *)context;
+}
+
+LITE_OS_SEC_TEXT_INIT UINT32 ArchStartSchedule(VOID)
+{
+    (VOID)LOS_IntLock();
+    OsSchedStart();
+    HalStartToRun();
+    return LOS_OK; /* never return */
+}

arch/arm/cortex-m55/iar/NTZ/los_dispatch.S

@@ -0,0 +1,175 @@
+;
+; Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+; Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+;
+; Redistribution and use in source and binary forms, with or without modification,
+; are permitted provided that the following conditions are met:
+;
+; 1. Redistributions of source code must retain the above copyright notice, this list of
+;    conditions and the following disclaimer.
+;
+; 2. Redistributions in binary form must reproduce the above copyright notice, this list
+;    of conditions and the following disclaimer in the documentation and/or other materials
+;    provided with the distribution.
+;
+; 3. Neither the name of the copyright holder nor the names of its contributors may be used
+;    to endorse or promote products derived from this software without specific prior written
+;    permission.
+;
+; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+; THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+; PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+; OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+; ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+;
+
+    PRESERVE8
+
+    EXPORT  ArchIntLock
+    EXPORT  ArchIntUnLock
+    EXPORT  ArchIntRestore
+    EXPORT  HalStartToRun
+    EXPORT  ArchTaskSchedule
+    EXPORT  HalPendSV
+    IMPORT  OsSchedTaskSwitch
+    IMPORT  OsSignalTaskContextRestore
+    IMPORT  g_losTask
+
+OS_FPU_CPACR                EQU     0xE000ED88
+OS_FPU_CPACR_ENABLE         EQU     0x00F00000
+OS_NVIC_INT_CTRL            EQU     0xE000ED04
+OS_NVIC_SYSPRI2             EQU     0xE000ED20
+OS_NVIC_PENDSV_PRI          EQU     0xF0F00000
+OS_NVIC_PENDSVSET           EQU     0x10000000
+OS_TASK_STATUS_RUNNING      EQU     0x0010
+
+    SECTION    .text:CODE(2)
+    THUMB
+    REQUIRE8
+
+    MACRO SIGNAL_CONTEXT_RESTORE
+    PUSH    {R12, LR}
+    BLX     OsSignalTaskContextRestore
+    POP     {R12, LR}
+    CMP     R0, #0
+    MOV     R1, R0
+    BNE     SignalContextRestore
+    ENDM
+
+HalStartToRun
+    LDR     R4, =OS_NVIC_SYSPRI2
+    LDR     R5, =OS_NVIC_PENDSV_PRI
+    STR     R5, [R4]
+
+    MOV     R0, #2
+    MSR     CONTROL, R0
+
+    LDR     R1, =g_losTask
+    LDR     R0, [R1, #4]
+    LDR     R12, [R0]
+
+    LDR.W   R1, =OS_FPU_CPACR
+    LDR     R1, [R1]
+    AND     R1, R1, #OS_FPU_CPACR_ENABLE
+    CMP     R1, #OS_FPU_CPACR_ENABLE
+    BNE     __DisabledFPU
+    ADD     R12, R12, #100
+
+    LDMFD   R12!, {R0-R7}
+    ADD     R12, R12, #72
+    MSR     PSP, R12
+    VPUSH   S0;
+    VPOP    S0;
+    MOV     LR, R5
+    CPSIE   I
+    BX      R6
+
+__DisabledFPU
+    ADD     R12, R12, #36
+
+    LDMFD   R12!, {R0-R7}
+    MSR     PSP, R12
+    MOV     LR, R5
+    CPSIE   I
+    BX      R6
+
+
+ArchIntLock
+    MRS     R0, PRIMASK
+    CPSID   I
+    BX      LR
+
+ArchIntUnLock
+    MRS     R0, PRIMASK
+    CPSIE   I
+    BX      LR
+
+ArchIntRestore
+    MSR     PRIMASK, R0
+    BX      LR
+
+ArchTaskSchedule
+    LDR     R0, =OS_NVIC_INT_CTRL
+    LDR     R1, =OS_NVIC_PENDSVSET
+    STR     R1, [R0]
+    DSB
+    ISB
+    BX      LR
+
+HalPendSV
+    MRS     R12, PRIMASK
+    CPSID   I
+
+HalTaskSwitch
+    PUSH    {R12, LR}
+    BLX     OsSchedTaskSwitch
+    POP     {R12, LR}
+    CMP     R0, #0
+    MOV     R0, LR
+    BNE     TaskContextSwitch
+    MSR     PRIMASK, R12
+    BX      LR
+
+TaskContextSwitch
+    MOV     LR, R0
+    MRS     R0, PSP
+
+    STMFD   R0!, {R4-R12}
+    LDR.W   R3, =OS_FPU_CPACR
+    LDR     R3, [R3]
+    AND     R3, R3, #OS_FPU_CPACR_ENABLE
+    CMP     R3, #OS_FPU_CPACR_ENABLE
+    BNE     __DisabledFPU1
+    VSTMDB  R0!, {D8-D15}
+
+__DisabledFPU1
+    LDR     R5, =g_losTask
+    LDR     R6, [R5]
+    STR     R0, [R6]
+
+    LDR     R0, [R5, #4]
+    STR     R0, [R5]
+    LDR     R1, [R0]
+
+SignalContextRestore
+    LDR.W   R3, =OS_FPU_CPACR
+    LDR     R3, [R3]
+    AND     R3, R3, #OS_FPU_CPACR_ENABLE
+    CMP     R3, #OS_FPU_CPACR_ENABLE
+    BNE     __DisabledFPU2
+    VLDMIA  R1!, {D8-D15}
+
+__DisabledFPU2
+    LDMFD   R1!, {R4-R12}
+    MSR     PSP,  R1
+
+    MSR     PRIMASK, R12
+    BX      LR
+
+    END

arch/arm/cortex-m55/iar/NTZ/los_exc.S

@@ -0,0 +1,285 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+    PRESERVE8
+    SECTION    .text:CODE(2)
+    THUMB
+
+    EXPORT  HalExcNMI
+    EXPORT  HalExcHardFault
+    EXPORT  HalExcMemFault
+    EXPORT  HalExcBusFault
+    EXPORT  HalExcUsageFault
+    EXPORT  HalSVCHandler
+
+    IMPORT HalExcHandleEntry
+    IMPORT g_uwExcTbl
+    IMPORT g_taskScheduled
+
+OS_FLG_BGD_ACTIVE   EQU   0x0002
+
+OS_EXC_CAUSE_NMI            EQU   16
+OS_EXC_CAUSE_HARDFAULT      EQU   17
+
+HF_DEBUGEVT     EQU   20
+HF_VECTBL       EQU   21
+
+FLAG_ADDR_VALID             EQU   0x10000
+FLAG_HWI_ACTIVE             EQU   0x20000
+FLAG_NO_FLOAT               EQU   0x10000000
+
+OS_NVIC_FSR                 EQU   0xE000ED28      ;include BusFault/MemFault/UsageFault State Register
+OS_NVIC_HFSR                EQU   0xE000ED2C      ;HardFault State Register
+OS_NVIC_BFAR                EQU   0xE000ED38
+OS_NVIC_MMAR                EQU   0xE000ED34
+OS_NVIC_ACT_BASE            EQU   0xE000E300
+OS_NVIC_SHCSRS              EQU   0xE000ED24
+OS_NVIC_SHCSR_MASK          EQU   0xC00
+
+HalExcNMI
+    MOV  R0, #OS_EXC_CAUSE_NMI
+    MOV  R1, #0
+    B  osExcDispatch
+
+HalExcHardFault
+    MOV  R0, #OS_EXC_CAUSE_HARDFAULT
+    LDR  R2, =OS_NVIC_HFSR
+    LDR  R2, [R2]
+
+    MOV  R1, #HF_DEBUGEVT
+    ORR  R0, R0, R1, LSL #0x8
+    TST  R2, #0x80000000
+    BNE  osExcDispatch     ; DEBUGEVT
+
+    AND  R0, R0 , #0x000000FF
+    MOV  R1, #HF_VECTBL
+    ORR  R0, R0, R1, LSL #0x8
+    TST  R2, #0x00000002
+    BNE  osExcDispatch     ; VECTBL
+
+    ;if not DEBUGEVT and VECTBL then is FORCED
+    AND  R0, R0, #0x000000FF
+
+    LDR  R2, =OS_NVIC_FSR
+    LDR  R2, [R2]
+
+    TST  R2, #0x8000     ; BFARVALID
+    BNE  _HFBusFault     ; BusFault
+
+    TST  R2, #0x80       ; MMARVALID
+    BNE  _HFMemFault     ; MemFault
+
+    MOV  R12,#0
+    B    osHFExcCommonBMU
+
+_HFBusFault
+    LDR  R1, =OS_NVIC_BFAR
+    LDR  R1, [R1]
+    MOV  R12, #FLAG_ADDR_VALID
+    B    osHFExcCommonBMU
+
+_HFMemFault
+    LDR  R1, =OS_NVIC_MMAR
+    LDR  R1, [R1]
+    MOV  R12, #FLAG_ADDR_VALID
+
+osHFExcCommonBMU
+    CLZ  R2, R2
+    LDR  R3, =g_uwExcTbl
+    ADD  R3, R3, R2
+    LDRB R2, [R3]
+    ORR  R0, R0, R2, LSL #0x8
+    ORR  R0, R0 ,R12
+    B    osExcDispatch
+
+HalSVCHandler
+    TST   LR, #0x4
+    ITE   EQ
+    MRSEQ R0, MSP
+    MRSNE R0, PSP
+    LDR   R1, [R0,#24]
+    LDRB  R0, [R1,#-2]
+    MOV   R1, #0
+    B     osExcDispatch
+
+HalExcBusFault
+    LDR  R0, =OS_NVIC_FSR
+    LDR  R0, [R0]
+
+    TST  R0, #0x8000 ; BFARVALID
+    BEQ  _ExcBusNoADDR
+    LDR  R1, =OS_NVIC_BFAR
+    LDR  R1, [R1]
+    MOV  R12, #FLAG_ADDR_VALID
+    AND  R0, R0, #0x1F00
+
+    B    osExcCommonBMU
+
+_ExcBusNoADDR
+    MOV  R12,#0
+    B    osExcCommonBMU
+
+HalExcMemFault
+    LDR  R0, =OS_NVIC_FSR
+    LDR  R0, [R0]
+
+    TST  R0, #0x80 ; MMARVALID
+    BEQ  _ExcMemNoADDR
+    LDR  R1, =OS_NVIC_MMAR
+    LDR  R1, [R1]
+    MOV  R12, #FLAG_ADDR_VALID
+    AND  R0, R0, #0x1B
+
+    B    osExcCommonBMU
+
+_ExcMemNoADDR
+    MOV  R12,#0
+    B    osExcCommonBMU
+
+HalExcUsageFault
+    LDR  R0, =OS_NVIC_FSR
+    LDR  R0, [R0]
+
+    MOV  R1, #0x030F
+    LSL  R1, R1, #16
+    AND  R0, R0, R1
+    MOV  R12, #0
+
+osExcCommonBMU
+    CLZ  R0, R0
+    LDR  R3, =g_uwExcTbl
+    ADD  R3, R3, R0
+    LDRB R0, [R3]
+    ORR  R0, R0, R12
+
+; R0 -- EXCCAUSE(bit 16 is 1 if EXCADDR valid),  R1 -- EXCADDR
+osExcDispatch
+    LDR   R2, =OS_NVIC_ACT_BASE
+    MOV   R12, #8                       ; R12 is hwi check loop counter
+
+_hwiActiveCheck
+    LDR   R3, [R2]                      ; R3 store active hwi register when exc
+    CMP   R3, #0
+    BEQ   _hwiActiveCheckNext
+
+    ; exc occurred in IRQ
+    ORR   R0, R0, #FLAG_HWI_ACTIVE
+    RBIT  R2, R3
+    CLZ   R2, R2
+    AND   R12, R12, #1
+    ADD   R2, R2, R12, LSL #5               ; calculate R2 (hwi number) as uwPid
+
+_ExcInMSP
+    CMP   LR, #0xFFFFFFE9
+    BNE   _NoFloatInMsp
+    ADD   R3, R13, #104
+    PUSH  {R3}
+    MRS   R12, PRIMASK                  ; store message-->exc: disable int?
+    PUSH {R4-R12}                       ; store message-->exc: {R4-R12}
+    VPUSH {D8-D15}
+    B     _handleEntry
+
+_NoFloatInMsp
+    ADD   R3, R13, #32
+    PUSH  {R3} ; save IRQ SP            ; store message-->exc: MSP(R13)
+
+    MRS   R12, PRIMASK                  ; store message-->exc: disable int?
+    PUSH {R4-R12}                       ; store message-->exc: {R4-R12}
+    ORR   R0, R0, #FLAG_NO_FLOAT
+    B     _handleEntry
+
+_hwiActiveCheckNext
+    ADD   R2, R2, #4                        ; next NVIC ACT ADDR
+    SUBS  R12, R12, #1
+    BNE   _hwiActiveCheck
+
+    ;/*NMI interrupt excption*/
+    LDR   R2, =OS_NVIC_SHCSRS
+    LDRH  R2,[R2]
+    LDR   R3,=OS_NVIC_SHCSR_MASK
+    AND   R2, R2,R3
+    CMP   R2,#0
+    BNE   _ExcInMSP
+    ; exc occurred in Task or Init or exc
+    ; reserved for register info from task stack
+
+    LDR  R2, =g_taskScheduled
+    LDR  R2, [R2]
+    TST  R2, #1         ; OS_FLG_BGD_ACTIVE
+    BEQ  _ExcInMSP                      ; if exc occurred in Init then branch
+
+
+    CMP   LR, #0xFFFFFFED               ;auto push floating registers
+    BNE   _NoFloatInPsp
+
+    ; exc occurred in Task
+    MOV   R2,  R13
+    SUB   R13, #96                      ; add 8 Bytes reg(for STMFD)
+
+    MRS   R3,  PSP
+    ADD   R12, R3, #104
+    PUSH  {R12}    ; save task SP
+
+    MRS   R12, PRIMASK
+    PUSH {R4-R12}
+    VPUSH {D8-D15}
+
+    ; copy auto saved task register
+
+    LDMFD R3!, {R4-R11}                  ; R4-R11 store PSP reg(auto push when exc in task)
+    VLDMIA  R3!, {D8-D15}
+    VSTMDB  R2!, {D8-D15}
+    STMFD R2!, {R4-R11}
+    B     _handleEntry
+
+_NoFloatInPsp
+    MOV   R2,  R13                           ;no auto push floating registers
+    SUB   R13, #32                      ; add 8 Bytes reg(for STMFD)
+
+    MRS   R3,  PSP
+    ADD   R12, R3, #32
+    PUSH  {R12}    ; save task SP
+
+    MRS   R12, PRIMASK
+    PUSH {R4-R12}
+
+    LDMFD R3, {R4-R11}                  ; R4-R11 store PSP reg(auto push when exc in task)
+    STMFD R2!, {R4-R11}
+    ORR   R0, R0, #FLAG_NO_FLOAT
+
+_handleEntry
+    MOV R3, R13                         ; R13:the 4th param
+    CPSID I
+    CPSID F
+    B  HalExcHandleEntry
+
+    NOP
+    END

arch/arm/cortex-m55/iar/NTZ/los_interrupt.c

@@ -0,0 +1,654 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_interrupt.h"
+#include "securec.h"
+#include <stdarg.h>
+#include "los_arch_interrupt.h"
+#include "los_context.h"
+#include "los_debug.h"
+#include "los_hook.h"
+#include "los_task.h"
+#include "los_sched.h"
+#include "los_memory.h"
+#include "los_membox.h"
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+#include "los_cpup.h"
+#endif
+
+/*lint -save -e40 -e522 -e533*/
+UINT32 g_intCount = 0;
+
+/*lint -restore*/
+#pragma location = ".data.vector"
+#pragma data_alignment = LOSCFG_ARCH_HWI_VECTOR_ALIGN
+/* *
+ * @ingroup los_hwi
+ * hardware interrupt form mapping handling function array.
+ */
+STATIC HWI_PROC_FUNC g_hwiForm[OS_VECTOR_CNT] = {0};
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
+STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
+
+UINT32 OsGetHwiFormCnt(UINT32 index)
+{
+    return g_hwiFormCnt[index];
+}
+
+CHAR *OsGetHwiFormName(UINT32 index)
+{
+    return g_hwiFormName[index];
+}
+
+BOOL OsGetHwiCreated(UINT32 index)
+{
+    if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+
+typedef struct {
+    HWI_PROC_FUNC pfnHandler;
+    VOID *pParm;
+} HWI_HANDLER_FUNC;
+
+/* *
+ * @ingroup los_hwi
+ * hardware interrupt handler form mapping handling function array.
+ */
+STATIC HWI_HANDLER_FUNC g_hwiHandlerForm[OS_VECTOR_CNT] = {{ (HWI_PROC_FUNC)0, (HWI_ARG_T)0 }};
+
+/* *
+ * @ingroup los_hwi
+ * Set interrupt vector table.
+ */
+VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector, VOID *arg)
+{
+    if ((num + OS_SYS_VECTOR_CNT) < OS_VECTOR_CNT) {
+        g_hwiForm[num + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalInterrupt;
+        g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT].pfnHandler = vector;
+        g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT].pParm = arg;
+    }
+}
+
+#else
+/* *
+ * @ingroup los_hwi
+ * hardware interrupt handler form mapping handling function array.
+ */
+STATIC HWI_PROC_FUNC g_hwiHandlerForm[OS_VECTOR_CNT] = {0};
+
+/* *
+ * @ingroup los_hwi
+ * Set interrupt vector table.
+ */
+VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector)
+{
+    if ((num + OS_SYS_VECTOR_CNT) < OS_VECTOR_CNT) {
+        g_hwiForm[num + OS_SYS_VECTOR_CNT] = HalInterrupt;
+        g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT] = vector;
+    }
+}
+#endif
+
+WEAK VOID SysTick_Handler(VOID)
+{
+    return;
+}
+
+/* ****************************************************************************
+ Function    : HwiNumGet
+ Description : Get an interrupt number
+ Input       : None
+ Output      : None
+ Return      : Interrupt Indexes number
+ **************************************************************************** */
+STATIC UINT32 HwiNumGet(VOID)
+{
+    return __get_IPSR();
+}
+
+STATIC UINT32 HwiUnmask(HWI_HANDLE_T hwiNum)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_EnableIRQ((IRQn_Type)hwiNum);
+
+    return LOS_OK;
+}
+
+STATIC UINT32 HwiMask(HWI_HANDLE_T hwiNum)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_DisableIRQ((IRQn_Type)hwiNum);
+
+    return LOS_OK;
+}
+
+STATIC UINT32 HwiSetPriority(HWI_HANDLE_T hwiNum, UINT8 priority)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    if (priority > OS_HWI_PRIO_LOWEST) {
+        return OS_ERRNO_HWI_PRIO_INVALID;
+    }
+
+    NVIC_SetPriority((IRQn_Type)hwiNum, priority);
+
+    return LOS_OK;
+}
+
+STATIC UINT32 HwiPending(HWI_HANDLE_T hwiNum)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_SetPendingIRQ((IRQn_Type)hwiNum);
+
+    return LOS_OK;
+}
+
+STATIC UINT32 HwiClear(HWI_HANDLE_T hwiNum)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_ClearPendingIRQ((IRQn_Type)hwiNum);
+
+    return LOS_OK;
+}
+
+HwiControllerOps g_archHwiOps = {
+    .enableIrq      = HwiUnmask,
+    .disableIrq     = HwiMask,
+    .setIrqPriority = HwiSetPriority,
+    .getCurIrqNum   = HwiNumGet,
+    .triggerIrq     = HwiPending,
+    .clearIrq       = HwiClear,
+};
+
+inline UINT32 ArchIsIntActive(VOID)
+{
+    return (g_intCount > 0);
+}
+/* ****************************************************************************
+ Function    : HalHwiDefaultHandler
+ Description : default handler of the hardware interrupt
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+/*lint -e529*/
+LITE_OS_SEC_TEXT_MINOR VOID HalHwiDefaultHandler(VOID)
+{
+    PRINT_ERR("%s irqnum:%u\n", __FUNCTION__, HwiNumGet());
+    while (1) {}
+}
+
+WEAK VOID HalPreInterruptHandler(UINT32 arg)
+{
+    (VOID)arg;
+    return;
+}
+
+WEAK VOID HalAftInterruptHandler(UINT32 arg)
+{
+    (VOID)arg;
+    return;
+}
+
+/* ****************************************************************************
+ Function    : HalInterrupt
+ Description : Hardware interrupt entry function
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
+{
+    UINT32 hwiIndex;
+    UINT32 intSave;
+
+#if (LOSCFG_KERNEL_RUNSTOP == 1)
+    SCB->SCR &= (UINT32) ~((UINT32)SCB_SCR_SLEEPDEEP_Msk);
+#endif
+
+    intSave = LOS_IntLock();
+
+    g_intCount++;
+
+    LOS_IntRestore(intSave);
+
+    hwiIndex = HwiNumGet();
+
+    OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqStart(hwiIndex);
+#endif
+
+    HalPreInterruptHandler(hwiIndex);
+
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+    if (g_hwiHandlerForm[hwiIndex].pfnHandler != 0) {
+        g_hwiHandlerForm[hwiIndex].pfnHandler((VOID *)g_hwiHandlerForm[hwiIndex].pParm);
+    }
+#else
+    if (g_hwiHandlerForm[hwiIndex] != 0) {
+        g_hwiHandlerForm[hwiIndex]();
+    }
+#endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    ++g_hwiFormCnt[hwiIndex];
+#endif
+
+    HalAftInterruptHandler(hwiIndex);
+
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqEnd(hwiIndex);
+#endif
+
+    OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
+
+    intSave = LOS_IntLock();
+    g_intCount--;
+    LOS_IntRestore(intSave);
+}
+
+/* ****************************************************************************
+ Function    : ArchHwiCreate
+ Description : create hardware interrupt
+ Input       : hwiNum   --- hwi num to create
+               hwiPrio  --- priority of the hwi
+               hwiMode  --- unused
+               hwiHandler --- hwi handler
+               irqParam --- param of the hwi handler
+ Output      : None
+ Return      : LOS_OK on success or error code on failure
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
+                                           HWI_PRIOR_T hwiPrio,
+                                           HWI_MODE_T hwiMode,
+                                           HWI_PROC_FUNC hwiHandler,
+                                           HwiIrqParam *irqParam)
+{
+    (VOID)hwiMode;
+    UINTPTR intSave;
+
+    if (hwiHandler == NULL) {
+        return OS_ERRNO_HWI_PROC_FUNC_NULL;
+    }
+
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    if (g_hwiForm[hwiNum + OS_SYS_VECTOR_CNT] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return OS_ERRNO_HWI_ALREADY_CREATED;
+    }
+
+    if (hwiPrio > OS_HWI_PRIO_LOWEST) {
+        return OS_ERRNO_HWI_PRIO_INVALID;
+    }
+
+    intSave = LOS_IntLock();
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+    if (irqParam != NULL) {
+        OsSetVector(hwiNum, hwiHandler, irqParam->pDevId);
+    } else {
+        OsSetVector(hwiNum, hwiHandler, NULL);
+    }
+#else
+    (VOID)irqParam;
+    OsSetVector(hwiNum, hwiHandler);
+#endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    if ((irqParam != NULL) && (irqParam->pName != NULL)) {
+        g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
+    }
+    g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
+#endif
+
+    HwiUnmask((IRQn_Type)hwiNum);
+    HwiSetPriority((IRQn_Type)hwiNum, hwiPrio);
+
+    LOS_IntRestore(intSave);
+
+    return LOS_OK;
+}
+
+/* ****************************************************************************
+ Function    : ArchHwiDelete
+ Description : Delete hardware interrupt
+ Input       : hwiNum   --- hwi num to delete
+               irqParam --- param of the hwi handler
+ Output      : None
+ Return      : LOS_OK on success or error code on failure
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiDelete(HWI_HANDLE_T hwiNum, HwiIrqParam *irqParam)
+{
+    (VOID)irqParam;
+    UINT32 intSave;
+
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_DisableIRQ((IRQn_Type)hwiNum);
+
+    intSave = LOS_IntLock();
+
+    g_hwiForm[hwiNum + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalHwiDefaultHandler;
+
+    LOS_IntRestore(intSave);
+
+    return LOS_OK;
+}
+
+#define FAULT_STATUS_REG_BIT            32
+#define USGFAULT                        (1 << 18)
+#define BUSFAULT                        (1 << 17)
+#define MEMFAULT                        (1 << 16)
+#define DIV0FAULT                       (1 << 4)
+#define HARDFAULT_IRQN                  (-13)
+
+ExcInfo g_excInfo = {0};
+
+UINT8 g_uwExcTbl[FAULT_STATUS_REG_BIT] = {
+    0, 0, 0, 0, 0, 0, OS_EXC_UF_DIVBYZERO, OS_EXC_UF_UNALIGNED,
+    0, 0, 0, 0, OS_EXC_UF_NOCP, OS_EXC_UF_INVPC, OS_EXC_UF_INVSTATE, OS_EXC_UF_UNDEFINSTR,
+    0, 0, 0, OS_EXC_BF_STKERR, OS_EXC_BF_UNSTKERR, OS_EXC_BF_IMPRECISERR, OS_EXC_BF_PRECISERR, OS_EXC_BF_IBUSERR,
+    0, 0, 0, OS_EXC_MF_MSTKERR, OS_EXC_MF_MUNSTKERR, 0, OS_EXC_MF_DACCVIOL, OS_EXC_MF_IACCVIOL
+};
+
+#if (LOSCFG_KERNEL_PRINTF != 0)
+STATIC VOID OsExcNvicDump(VOID)
+{
+#define OS_NR_NVIC_EXC_DUMP_TYPES   7
+    UINT32 *base = NULL;
+    UINT32 len, i, j;
+    UINT32 rgNvicBases[OS_NR_NVIC_EXC_DUMP_TYPES] = {
+        OS_NVIC_SETENA_BASE, OS_NVIC_SETPEND_BASE, OS_NVIC_INT_ACT_BASE,
+        OS_NVIC_PRI_BASE, OS_NVIC_EXCPRI_BASE, OS_NVIC_SHCSR, OS_NVIC_INT_CTRL
+    };
+    UINT32 rgNvicLens[OS_NR_NVIC_EXC_DUMP_TYPES] = {
+        OS_NVIC_INT_ENABLE_SIZE, OS_NVIC_INT_PEND_SIZE, OS_NVIC_INT_ACT_SIZE,
+        OS_NVIC_INT_PRI_SIZE, OS_NVIC_EXCPRI_SIZE, OS_NVIC_SHCSR_SIZE,
+        OS_NVIC_INT_CTRL_SIZE
+    };
+    CHAR strRgEnable[] = "enable";
+    CHAR strRgPending[] = "pending";
+    CHAR strRgActive[] = "active";
+    CHAR strRgPriority[] = "priority";
+    CHAR strRgException[] = "exception";
+    CHAR strRgShcsr[] = "shcsr";
+    CHAR strRgIntCtrl[] = "control";
+    CHAR *strRgs[] = {
+        strRgEnable, strRgPending, strRgActive, strRgPriority,
+        strRgException, strRgShcsr, strRgIntCtrl
+    };
+
+    PRINTK("\r\nOS exception NVIC dump:\n");
+    for (i = 0; i < OS_NR_NVIC_EXC_DUMP_TYPES; i++) {
+        base = (UINT32 *)rgNvicBases[i];
+        len = rgNvicLens[i];
+        PRINTK("interrupt %s register, base address: %p, size: 0x%x\n", strRgs[i], base, len);
+        len = (len >> 2); /* 2: Gets the next register offset */
+        for (j = 0; j < len; j++) {
+            PRINTK("0x%x ", *(base + j));
+            if ((j != 0) && ((j % 16) == 0)) { /* 16: print wrap line */
+                PRINTK("\n");
+            }
+        }
+        PRINTK("\n");
+    }
+}
+
+STATIC VOID OsExcTypeInfo(const ExcInfo *excInfo)
+{
+    CHAR *phaseStr[] = {"exc in init", "exc in task", "exc in hwi"};
+
+    PRINTK("Type      = %d\n", excInfo->type);
+    PRINTK("ThrdPid   = %d\n", excInfo->thrdPid);
+    PRINTK("Phase     = %s\n", phaseStr[excInfo->phase]);
+    PRINTK("FaultAddr = 0x%x\n", excInfo->faultAddr);
+}
+
+STATIC VOID OsExcCurTaskInfo(const ExcInfo *excInfo)
+{
+    PRINTK("Current task info:\n");
+    if (excInfo->phase == OS_EXC_IN_TASK) {
+        LosTaskCB *taskCB = OS_TCB_FROM_TID(LOS_CurTaskIDGet());
+        PRINTK("Task name = %s\n", taskCB->taskName);
+        PRINTK("Task ID   = %d\n", taskCB->taskID);
+        PRINTK("Task SP   = %p\n", taskCB->stackPointer);
+        PRINTK("Task ST   = 0x%x\n", taskCB->topOfStack);
+        PRINTK("Task SS   = 0x%x\n", taskCB->stackSize);
+    } else if (excInfo->phase == OS_EXC_IN_HWI) {
+        PRINTK("Exception occur in interrupt phase!\n");
+    } else {
+        PRINTK("Exception occur in system init phase!\n");
+    }
+}
+
+STATIC VOID OsExcRegInfo(const ExcInfo *excInfo)
+{
+    PRINTK("Exception reg dump:\n");
+    PRINTK("PC        = 0x%x\n", excInfo->context->uwPC);
+    PRINTK("LR        = 0x%x\n", excInfo->context->uwLR);
+    PRINTK("SP        = 0x%x\n", excInfo->context->uwSP);
+    PRINTK("R0        = 0x%x\n", excInfo->context->uwR0);
+    PRINTK("R1        = 0x%x\n", excInfo->context->uwR1);
+    PRINTK("R2        = 0x%x\n", excInfo->context->uwR2);
+    PRINTK("R3        = 0x%x\n", excInfo->context->uwR3);
+    PRINTK("R4        = 0x%x\n", excInfo->context->uwR4);
+    PRINTK("R5        = 0x%x\n", excInfo->context->uwR5);
+    PRINTK("R6        = 0x%x\n", excInfo->context->uwR6);
+    PRINTK("R7        = 0x%x\n", excInfo->context->uwR7);
+    PRINTK("R8        = 0x%x\n", excInfo->context->uwR8);
+    PRINTK("R9        = 0x%x\n", excInfo->context->uwR9);
+    PRINTK("R10       = 0x%x\n", excInfo->context->uwR10);
+    PRINTK("R11       = 0x%x\n", excInfo->context->uwR11);
+    PRINTK("R12       = 0x%x\n", excInfo->context->uwR12);
+    PRINTK("PriMask   = 0x%x\n", excInfo->context->uwPriMask);
+    PRINTK("xPSR      = 0x%x\n", excInfo->context->uwxPSR);
+}
+
+#if (LOSCFG_KERNEL_BACKTRACE == 1)
+STATIC VOID OsExcBackTraceInfo(const ExcInfo *excInfo)
+{
+    UINTPTR LR[LOSCFG_BACKTRACE_DEPTH] = {0};
+    UINT32 index;
+
+    OsBackTraceHookCall(LR, LOSCFG_BACKTRACE_DEPTH, 0, excInfo->context->uwSP);
+
+    PRINTK("----- backtrace start -----\n");
+    for (index = 0; index < LOSCFG_BACKTRACE_DEPTH; index++) {
+        if (LR[index] == 0) {
+            break;
+        }
+        PRINTK("backtrace %d -- lr = 0x%x\n", index, LR[index]);
+    }
+    PRINTK("----- backtrace end -----\n");
+}
+#endif
+
+STATIC VOID OsExcMemPoolCheckInfo(VOID)
+{
+    PRINTK("\r\nmemory pools check:\n");
+#if (LOSCFG_PLATFORM_EXC == 1)
+    MemInfoCB memExcInfo[OS_SYS_MEM_NUM];
+    UINT32 errCnt;
+    UINT32 i;
+
+    (VOID)memset_s(memExcInfo, sizeof(memExcInfo), 0, sizeof(memExcInfo));
+
+    errCnt = OsMemExcInfoGet(OS_SYS_MEM_NUM, memExcInfo);
+    if (errCnt < OS_SYS_MEM_NUM) {
+        errCnt += OsMemboxExcInfoGet(OS_SYS_MEM_NUM - errCnt, memExcInfo + errCnt);
+    }
+
+    if (errCnt == 0) {
+        PRINTK("all memory pool check passed!\n");
+        return;
+    }
+
+    for (i = 0; i < errCnt; i++) {
+        PRINTK("pool num    = %d\n", i);
+        PRINTK("pool type   = %d\n", memExcInfo[i].type);
+        PRINTK("pool addr   = 0x%x\n", memExcInfo[i].startAddr);
+        PRINTK("pool size   = 0x%x\n", memExcInfo[i].size);
+        PRINTK("pool free   = 0x%x\n", memExcInfo[i].free);
+        PRINTK("pool blkNum = %d\n", memExcInfo[i].blockSize);
+        PRINTK("pool error node addr  = 0x%x\n", memExcInfo[i].errorAddr);
+        PRINTK("pool error node len   = 0x%x\n", memExcInfo[i].errorLen);
+        PRINTK("pool error node owner = %d\n", memExcInfo[i].errorOwner);
+    }
+#endif
+    UINT32 ret = LOS_MemIntegrityCheck(LOSCFG_SYS_HEAP_ADDR);
+    if (ret == LOS_OK) {
+        PRINTK("system heap memcheck over, all passed!\n");
+    }
+
+    PRINTK("memory pool check end!\n");
+}
+#endif
+
+STATIC VOID OsExcInfoDisplay(const ExcInfo *excInfo)
+{
+#if (LOSCFG_KERNEL_PRINTF != 0)
+    PRINTK("*************Exception Information**************\n");
+    OsExcTypeInfo(excInfo);
+    OsExcCurTaskInfo(excInfo);
+    OsExcRegInfo(excInfo);
+#if (LOSCFG_KERNEL_BACKTRACE == 1)
+    OsExcBackTraceInfo(excInfo);
+#endif
+    OsGetAllTskInfo();
+    OsExcNvicDump();
+    OsExcMemPoolCheckInfo();
+#endif
+}
+
+LITE_OS_SEC_TEXT_INIT VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr)
+{
+    UINT16 tmpFlag = (excType >> 16) & OS_NULL_SHORT; /* 16: Get Exception Type */
+    g_intCount++;
+    g_excInfo.nestCnt++;
+
+    g_excInfo.type = excType & OS_NULL_SHORT;
+
+    if (tmpFlag & OS_EXC_FLAG_FAULTADDR_VALID) {
+        g_excInfo.faultAddr = faultAddr;
+    } else {
+        g_excInfo.faultAddr = OS_EXC_IMPRECISE_ACCESS_ADDR;
+    }
+    if (g_losTask.runTask != NULL) {
+        if (tmpFlag & OS_EXC_FLAG_IN_HWI) {
+            g_excInfo.phase = OS_EXC_IN_HWI;
+            g_excInfo.thrdPid = pid;
+        } else {
+            g_excInfo.phase = OS_EXC_IN_TASK;
+            g_excInfo.thrdPid = g_losTask.runTask->taskID;
+        }
+    } else {
+        g_excInfo.phase = OS_EXC_IN_INIT;
+        g_excInfo.thrdPid = OS_NULL_INT;
+    }
+    if (excType & OS_EXC_FLAG_NO_FLOAT) {
+        g_excInfo.context = (EXC_CONTEXT_S *)((CHAR *)excBufAddr - LOS_OFF_SET_OF(EXC_CONTEXT_S, uwR4));
+    } else {
+        g_excInfo.context = excBufAddr;
+    }
+
+    OsDoExcHook(EXC_INTERRUPT);
+    OsExcInfoDisplay(&g_excInfo);
+    ArchSysExit();
+}
+
+/* ****************************************************************************
+ Function    : HalHwiInit
+ Description : initialization of the hardware interrupt
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT VOID HalHwiInit(VOID)
+{
+#if (LOSCFG_USE_SYSTEM_DEFINED_INTERRUPT == 1)
+    UINT32 index;
+    g_hwiForm[0] = 0;             /* [0] Top of Stack */
+    g_hwiForm[1] = (HWI_PROC_FUNC)Reset_Handler; /* [1] reset */
+    for (index = 2; index < OS_VECTOR_CNT; index++) { /* 2: The starting position of the interrupt */
+        g_hwiForm[index] = (HWI_PROC_FUNC)HalHwiDefaultHandler;
+    }
+    /* Exception handler register */
+    g_hwiForm[NonMaskableInt_IRQn + OS_SYS_VECTOR_CNT]   = (HWI_PROC_FUNC)HalExcNMI;
+    g_hwiForm[HARDFAULT_IRQN + OS_SYS_VECTOR_CNT]        = (HWI_PROC_FUNC)HalExcHardFault;
+    g_hwiForm[MemoryManagement_IRQn + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalExcMemFault;
+    g_hwiForm[BusFault_IRQn + OS_SYS_VECTOR_CNT]         = (HWI_PROC_FUNC)HalExcBusFault;
+    g_hwiForm[UsageFault_IRQn + OS_SYS_VECTOR_CNT]       = (HWI_PROC_FUNC)HalExcUsageFault;
+    g_hwiForm[SVCall_IRQn + OS_SYS_VECTOR_CNT]           = (HWI_PROC_FUNC)HalSVCHandler;
+    g_hwiForm[PendSV_IRQn + OS_SYS_VECTOR_CNT]           = (HWI_PROC_FUNC)HalPendSV;
+    g_hwiForm[SysTick_IRQn + OS_SYS_VECTOR_CNT]          = (HWI_PROC_FUNC)SysTick_Handler;
+
+    /* Interrupt vector table location */
+    SCB->VTOR = (UINT32)(UINTPTR)g_hwiForm;
+#endif
+#if (__CORTEX_M >= 0x03U) /* only for Cortex-M3 and above */
+    NVIC_SetPriorityGrouping(OS_NVIC_AIRCR_PRIGROUP);
+#endif
+
+    /* Enable USGFAULT, BUSFAULT, MEMFAULT */
+    *(volatile UINT32 *)OS_NVIC_SHCSR |= (USGFAULT | BUSFAULT | MEMFAULT);
+    /* Enable DIV 0 and unaligned exception */
+    *(volatile UINT32 *)OS_NVIC_CCR |= DIV0FAULT;
+
+    return;
+}
+

arch/arm/cortex-m55/iar/NTZ/los_timer.c

@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_timer.h"
+#include "los_config.h"
+#include "los_tick.h"
+#include "los_arch_interrupt.h"
+#include "los_debug.h"
+
+STATIC UINT32 SysTickStart(HWI_PROC_FUNC handler);
+STATIC UINT64 SysTickReload(UINT64 nextResponseTime);
+STATIC UINT64 SysTickCycleGet(UINT32 *period);
+STATIC VOID SysTickLock(VOID);
+STATIC VOID SysTickUnlock(VOID);
+
+STATIC ArchTickTimer g_archTickTimer = {
+    .freq = 0,
+    .irqNum = SysTick_IRQn,
+    .periodMax = LOSCFG_BASE_CORE_TICK_RESPONSE_MAX,
+    .init = SysTickStart,
+    .getCycle = SysTickCycleGet,
+    .reload = SysTickReload,
+    .lock = SysTickLock,
+    .unlock = SysTickUnlock,
+    .tickHandler = NULL,
+};
+
+STATIC UINT32 SysTickStart(HWI_PROC_FUNC handler)
+{
+    UINT32 ret;
+    ArchTickTimer *tick = &g_archTickTimer;
+
+    tick->freq = OS_SYS_CLOCK;
+
+#if (LOSCFG_USE_SYSTEM_DEFINED_INTERRUPT == 1)
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+    OsSetVector(tick->irqNum, handler, NULL);
+#else
+    OsSetVector(tick->irqNum, handler);
+#endif
+#endif
+
+    ret = SysTick_Config(LOSCFG_BASE_CORE_TICK_RESPONSE_MAX);
+    if (ret == 1) {
+        return LOS_ERRNO_TICK_PER_SEC_TOO_SMALL;
+    }
+
+    return LOS_OK;
+}
+
+STATIC UINT64 SysTickReload(UINT64 nextResponseTime)
+{
+    if (nextResponseTime > g_archTickTimer.periodMax) {
+        nextResponseTime = g_archTickTimer.periodMax;
+    }
+    SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
+    SysTick->LOAD = (UINT32)(nextResponseTime - 1UL); /* set reload register */
+    SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
+    NVIC_ClearPendingIRQ(SysTick_IRQn);
+    SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
+    return nextResponseTime;
+}
+
+STATIC UINT64 SysTickCycleGet(UINT32 *period)
+{
+    UINT32 hwCycle = 0;
+    UINTPTR intSave = LOS_IntLock();
+    UINT32 val = SysTick->VAL;
+    *period = SysTick->LOAD;
+    if (val != 0) {
+        hwCycle = *period - val;
+    }
+    LOS_IntRestore(intSave);
+    return (UINT64)hwCycle;
+}
+
+STATIC VOID SysTickLock(VOID)
+{
+    SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
+}
+
+STATIC VOID SysTickUnlock(VOID)
+{
+    SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
+}
+
+ArchTickTimer *ArchSysTickTimerGet(VOID)
+{
+    return &g_archTickTimer;
+}
+
+UINT32 ArchEnterSleep(VOID)
+{
+    __DSB();
+    __WFI();
+    __ISB();
+    return LOS_OK;
+}

arch/arm/cortex-m55/iar/TZ/BUILD.gn

@@ -0,0 +1,46 @@
+# Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+# Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without modification,
+# are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice, this list of
+#    conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice, this list
+#    of conditions and the following disclaimer in the documentation and/or other materials
+#    provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors may be used
+#    to endorse or promote products derived from this software without specific prior written
+#    permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+import("//kernel/liteos_m/liteos.gni")
+
+module_name = "arch"
+kernel_module(module_name) {
+  sources = [
+    "los_context.c",
+    "los_dispatch.S",
+    "los_exc.S",
+    "los_interrupt.c",
+    "los_timer.c",
+  ]
+  configs += [ "$LITEOSTOPDIR:warn_config" ]
+}
+
+config("public") {
+  include_dirs = [ "." ]
+}

arch/arm/cortex-m55/iar/TZ/non_secure/los_arch_atomic.h

@@ -0,0 +1,297 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_ARCH_ATOMIC_H
+#define _LOS_ARCH_ATOMIC_H
+
+#include "los_compiler.h"
+#include "los_interrupt.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+STATIC INLINE INT32 ArchAtomicRead(const Atomic *v)
+{
+    INT32 val;
+
+    asm volatile("ldrex %0, [%1]\n"
+                 : "=&r"(val)
+                 : "r"(v)
+                 : "cc");
+
+    return val;
+}
+
+STATIC INLINE VOID ArchAtomicSet(Atomic *v, INT32 setVal)
+{
+    UINT32 status;
+
+    do {
+        asm volatile("ldrex %0, [%1]\n"
+                     "strex %0, %2, [%1]\n"
+                     : "=&r"(status)
+                     : "r"(v), "r"(setVal)
+                     : "cc");
+    } while (status != 0);
+}
+
+STATIC INLINE INT32 ArchAtomicAdd(Atomic *v, INT32 addVal)
+{
+    INT32 val;
+    UINT32 status;
+
+    do {
+        asm volatile("ldrex %1, [%2]\n"
+                     "add %1, %1, %3\n"
+                     "strex %0, %1, [%2]"
+                     : "=&r"(status), "=&r"(val)
+                     : "r"(v), "r"(addVal)
+                     : "cc");
+    } while (status != 0);
+
+    return val;
+}
+
+STATIC INLINE INT32 ArchAtomicSub(Atomic *v, INT32 subVal)
+{
+    INT32 val;
+    UINT32 status;
+
+    do {
+        asm volatile("ldrex %1, [%2]\n"
+                     "sub %1, %1, %3\n"
+                     "strex %0, %1, [%2]"
+                     : "=&r"(status), "=&r"(val)
+                     : "r"(v), "r"(subVal)
+                     : "cc");
+    } while (status != 0);
+
+    return val;
+}
+
+STATIC INLINE VOID ArchAtomicInc(Atomic *v)
+{
+    (VOID)ArchAtomicAdd(v, 1);
+}
+
+STATIC INLINE VOID ArchAtomicDec(Atomic *v)
+{
+    (VOID)ArchAtomicSub(v, 1);
+}
+
+STATIC INLINE INT32 ArchAtomicIncRet(Atomic *v)
+{
+    return ArchAtomicAdd(v, 1);
+}
+
+STATIC INLINE INT32 ArchAtomicDecRet(Atomic *v)
+{
+    return ArchAtomicSub(v, 1);
+}
+
+/**
+ * @ingroup  los_arch_atomic
+ * @brief Atomic exchange for 32-bit variable.
+ *
+ * @par Description:
+ * This API is used to implement the atomic exchange for 32-bit variable
+ * and return the previous value of the atomic variable.
+ * @attention
+ * <ul>The pointer v must not be NULL.</ul>
+ *
+ * @param  v       [IN] The variable pointer.
+ * @param  val     [IN] The exchange value.
+ *
+ * @retval #INT32       The previous value of the atomic variable
+ * @par Dependency:
+ * <ul><li>los_arch_atomic.h: the header file that contains the API declaration.</li></ul>
+ * @see
+ */
+STATIC INLINE INT32 ArchAtomicXchg32bits(volatile INT32 *v, INT32 val)
+{
+    INT32 prevVal = 0;
+    UINT32 status = 0;
+
+    do {
+        asm volatile("ldrex %0, [%2]\n"
+                     "strex %1, %3, [%2]"
+                     : "=&r"(prevVal), "=&r"(status)
+                     : "r"(v), "r"(val)
+                     : "cc");
+    } while (status != 0);
+
+    return prevVal;
+}
+
+/**
+ * @ingroup  los_arch_atomic
+ * @brief Atomic exchange for 32-bit variable with compare.
+ *
+ * @par Description:
+ * This API is used to implement the atomic exchange for 32-bit variable, if the value of variable is equal to oldVal.
+ * @attention
+ * <ul>The pointer v must not be NULL.</ul>
+ *
+ * @param  v       [IN] The variable pointer.
+ * @param  val     [IN] The new value.
+ * @param  oldVal  [IN] The old value.
+ *
+ * @retval TRUE  The previous value of the atomic variable is not equal to oldVal.
+ * @retval FALSE The previous value of the atomic variable is equal to oldVal.
+ * @par Dependency:
+ * <ul><li>los_arch_atomic.h: the header file that contains the API declaration.</li></ul>
+ * @see
+ */
+STATIC INLINE BOOL ArchAtomicCmpXchg32bits(volatile INT32 *v, INT32 val, INT32 oldVal)
+{
+    INT32 prevVal = 0;
+    UINT32 status = 0;
+
+    do {
+        asm volatile("ldrex %0, [%2]\n"
+                     "mov %1, #0\n"
+                     "cmp %0, %3\n"
+                     "bne 1f\n"
+                     "strex %1, %4, [%2]\n"
+                     "1:"
+                     : "=&r"(prevVal), "=&r"(status)
+                     : "r"(v), "r"(oldVal), "r"(val)
+                     : "cc");
+    } while (status != 0);
+
+    return prevVal != oldVal;
+}
+
+STATIC INLINE INT64 ArchAtomic64Read(const Atomic64 *v)
+{
+    INT64 val;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    val = *v;
+    LOS_IntRestore(intSave);
+
+    return val;
+}
+
+STATIC INLINE VOID ArchAtomic64Set(Atomic64 *v, INT64 setVal)
+{
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    *v = setVal;
+    LOS_IntRestore(intSave);
+}
+
+STATIC INLINE INT64 ArchAtomic64Add(Atomic64 *v, INT64 addVal)
+{
+    INT64 val;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    *v += addVal;
+    val = *v;
+    LOS_IntRestore(intSave);
+
+    return val;
+}
+
+STATIC INLINE INT64 ArchAtomic64Sub(Atomic64 *v, INT64 subVal)
+{
+    INT64 val;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    *v -= subVal;
+    val = *v;
+    LOS_IntRestore(intSave);
+
+    return val;
+}
+
+STATIC INLINE VOID ArchAtomic64Inc(Atomic64 *v)
+{
+    (VOID)ArchAtomic64Add(v, 1);
+}
+
+STATIC INLINE INT64 ArchAtomic64IncRet(Atomic64 *v)
+{
+    return ArchAtomic64Add(v, 1);
+}
+
+STATIC INLINE VOID ArchAtomic64Dec(Atomic64 *v)
+{
+    (VOID)ArchAtomic64Sub(v, 1);
+}
+
+STATIC INLINE INT64 ArchAtomic64DecRet(Atomic64 *v)
+{
+    return ArchAtomic64Sub(v, 1);
+}
+
+STATIC INLINE INT64 ArchAtomicXchg64bits(Atomic64 *v, INT64 val)
+{
+    INT64 prevVal;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    prevVal = *v;
+    *v = val;
+    LOS_IntRestore(intSave);
+
+    return prevVal;
+}
+
+STATIC INLINE BOOL ArchAtomicCmpXchg64bits(Atomic64 *v, INT64 val, INT64 oldVal)
+{
+    INT64 prevVal;
+    UINT32 intSave;
+
+    intSave = LOS_IntLock();
+    prevVal = *v;
+    if (prevVal == oldVal) {
+        *v = val;
+    }
+    LOS_IntRestore(intSave);
+
+    return prevVal != oldVal;
+}
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_ARCH_ATOMIC_H */

arch/arm/cortex-m55/iar/TZ/non_secure/los_arch_context.h

@@ -0,0 +1,134 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_ARCH_CONTEXT_H
+#define _LOS_ARCH_CONTEXT_H
+
+#include "los_config.h"
+#include "los_compiler.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+typedef struct TagTskContext {
+    UINT32 secureContext;
+    UINT32 stackLmit;
+    UINT32 excReturn;
+#if ((defined(__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined(__FPU_USED) && (__FPU_USED == 1U)))
+    UINT32 S16;
+    UINT32 S17;
+    UINT32 S18;
+    UINT32 S19;
+    UINT32 S20;
+    UINT32 S21;
+    UINT32 S22;
+    UINT32 S23;
+    UINT32 S24;
+    UINT32 S25;
+    UINT32 S26;
+    UINT32 S27;
+    UINT32 S28;
+    UINT32 S29;
+    UINT32 S30;
+    UINT32 S31;
+#endif
+    UINT32 uwR4;
+    UINT32 uwR5;
+    UINT32 uwR6;
+    UINT32 uwR7;
+    UINT32 uwR8;
+    UINT32 uwR9;
+    UINT32 uwR10;
+    UINT32 uwR11;
+    UINT32 uwPriMask;
+    UINT32 uwR0;
+    UINT32 uwR1;
+    UINT32 uwR2;
+    UINT32 uwR3;
+    UINT32 uwR12;
+    UINT32 uwLR;
+    UINT32 uwPC;
+    UINT32 uwxPSR;
+#if ((defined(__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined(__FPU_USED) && (__FPU_USED == 1U)))
+    UINT32 S0;
+    UINT32 S1;
+    UINT32 S2;
+    UINT32 S3;
+    UINT32 S4;
+    UINT32 S5;
+    UINT32 S6;
+    UINT32 S7;
+    UINT32 S8;
+    UINT32 S9;
+    UINT32 S10;
+    UINT32 S11;
+    UINT32 S12;
+    UINT32 S13;
+    UINT32 S14;
+    UINT32 S15;
+    UINT32 FPSCR;
+    UINT32 NO_NAME;
+#endif
+} TaskContext;
+
+/**
+ * @ingroup  los_config
+ * @brief: Task start running function.
+ *
+ * @par Description:
+ * This API is used to start a task.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param: None.
+ *
+ * @retval None.
+ *
+ * @par Dependency:
+ * <ul><li>los_config.h: the header file that contains the API declaration.</li></ul>
+ * @see None.
+ */
+extern VOID HalStartToRun(VOID);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_ARCH_CONTEXT_H */
+

arch/arm/cortex-m55/iar/TZ/non_secure/los_arch_interrupt.h

@@ -0,0 +1,684 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_EXC_H
+#define _LOS_EXC_H
+
+#include "los_config.h"
+#include "los_compiler.h"
+#include "los_interrupt.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+/* *
+ * @ingroup los_hwi
+ * Maximum number of used hardware interrupts.
+ */
+#ifndef OS_HWI_MAX_NUM
+#define OS_HWI_MAX_NUM                        LOSCFG_PLATFORM_HWI_LIMIT
+#endif
+
+/* *
+ * @ingroup los_hwi
+ * Highest priority of a hardware interrupt.
+ */
+#ifndef OS_HWI_PRIO_HIGHEST
+#define OS_HWI_PRIO_HIGHEST                   0
+#endif
+
+/* *
+ * @ingroup los_hwi
+ * Lowest priority of a hardware interrupt.
+ */
+#ifndef OS_HWI_PRIO_LOWEST
+#define OS_HWI_PRIO_LOWEST                    7
+#endif
+
+
+/* *
+ * @ingroup  los_hwi
+ * Define the type of a hardware interrupt vector table function.
+ */
+typedef VOID (**HWI_VECTOR_FUNC)(void);
+
+/* *
+ * @ingroup los_hwi
+ * Count of interrupts.
+ */
+extern UINT32 g_intCount;
+
+/* *
+ * @ingroup los_hwi
+ * Count of M-Core system interrupt vector.
+ */
+#define OS_SYS_VECTOR_CNT                     16
+
+/* *
+ * @ingroup los_hwi
+ * Count of M-Core interrupt vector.
+ */
+#define OS_VECTOR_CNT                         (OS_SYS_VECTOR_CNT + OS_HWI_MAX_NUM)
+
+/* *
+ * @ingroup los_hwi
+ * AIRCR register priority group parameter .
+ */
+#define OS_NVIC_AIRCR_PRIGROUP                7
+
+/* *
+ * @ingroup los_hwi
+ * Boot interrupt vector table.
+ */
+extern UINT32 _BootVectors[];
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: Invalid interrupt number.
+ *
+ * Value: 0x02000900
+ *
+ * Solution: Ensure that the interrupt number is valid.
+ * The value range of the interrupt number applicable for a Cortex-M33 platform is [OS_USER_HWI_MIN,OS_USER_HWI_MAX].
+ */
+#define OS_ERRNO_HWI_NUM_INVALID              LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x00)
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: Null hardware interrupt handling function.
+ *
+ * Value: 0x02000901
+ *
+ * Solution: Pass in a valid non-null hardware interrupt handling function.
+ */
+#define OS_ERRNO_HWI_PROC_FUNC_NULL           LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x01)
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: Insufficient interrupt resources for hardware interrupt creation.
+ *
+ * Value: 0x02000902
+ *
+ * Solution: Increase the configured maximum number of supported hardware interrupts.
+ */
+#define OS_ERRNO_HWI_CB_UNAVAILABLE           LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x02)
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: Insufficient memory for hardware interrupt initialization.
+ *
+ * Value: 0x02000903
+ *
+ * Solution: Expand the configured memory.
+ */
+#define OS_ERRNO_HWI_NO_MEMORY                LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x03)
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: The interrupt has already been created.
+ *
+ * Value: 0x02000904
+ *
+ * Solution: Check whether the interrupt specified by the passed-in interrupt number has already been created.
+ */
+#define OS_ERRNO_HWI_ALREADY_CREATED          LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x04)
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: Invalid interrupt priority.
+ *
+ * Value: 0x02000905
+ *
+ * Solution: Ensure that the interrupt priority is valid.
+ * The value range of the interrupt priority applicable for a Cortex-M33 platform is [0,15].
+ */
+#define OS_ERRNO_HWI_PRIO_INVALID             LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x05)
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: Incorrect interrupt creation mode.
+ *
+ * Value: 0x02000906
+ *
+ * Solution: The interrupt creation mode can be only set to OS_HWI_MODE_COMM or
+ * OS_HWI_MODE_FAST of which the value can be 0 or 1.
+ */
+#define OS_ERRNO_HWI_MODE_INVALID             LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x06)
+
+/* *
+ * @ingroup los_hwi
+ * Hardware interrupt error code: The interrupt has already been created as a fast interrupt.
+ *
+ * Value: 0x02000907
+ *
+ * Solution: Check whether the interrupt specified by the passed-in interrupt number has already been created.
+ */
+#define OS_ERRNO_HWI_FASTMODE_ALREADY_CREATED LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x07)
+
+/* *
+ * @ingroup los_hwi
+ * SysTick control and status register.
+ */
+#define OS_SYSTICK_CONTROL_REG                0xE000E010
+
+/* *
+ * @ingroup los_hw
+ * SysTick current value register.
+ */
+#define OS_SYSTICK_CURRENT_REG                0xE000E018
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt Priority-Level Registers.
+ */
+#define OS_NVIC_PRI_BASE                      0xE000E400
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt enable register for 0-31.
+ */
+#define OS_NVIC_SETENA_BASE                   0xE000E100
+
+/* *
+ * @ingroup los_hwi
+ * interrupt pending register.
+ */
+#define OS_NVIC_SETPEND_BASE                  0xE000E200
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt active register.
+ */
+#define OS_NVIC_INT_ACT_BASE                  0xE000E300
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt disable register for 0-31.
+ */
+#define OS_NVIC_CLRENA_BASE                   0xE000E180
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt control and status register.
+ */
+#define OS_NVIC_INT_CTRL                      0xE000ED04
+
+/* *
+ * @ingroup los_hwi
+ * Vector table offset register.
+ */
+#define OS_NVIC_VTOR                          0xE000ED08
+
+/* *
+ * @ingroup los_hwi
+ * Application interrupt and reset control register
+ */
+#define OS_NVIC_AIRCR                         0xE000ED0C
+
+/* *
+ * @ingroup los_hwi
+ * System exception priority register.
+ */
+#define OS_NVIC_EXCPRI_BASE                   0xE000ED18
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 1 :reset.
+ */
+#define OS_EXC_RESET                          1
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 2 :Non-Maskable Interrupt.
+ */
+#define OS_EXC_NMI                            2
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 3 :(hard)fault.
+ */
+#define OS_EXC_HARD_FAULT                     3
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 4 :MemManage fault.
+ */
+#define OS_EXC_MPU_FAULT                      4
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 5 :Bus fault.
+ */
+#define OS_EXC_BUS_FAULT                      5
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 6 :Usage fault.
+ */
+#define OS_EXC_USAGE_FAULT                    6
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 11 :SVCall.
+ */
+#define OS_EXC_SVC_CALL                       11
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 12 :Debug monitor.
+ */
+#define OS_EXC_DBG_MONITOR                    12
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 14 :PendSV.
+ */
+#define OS_EXC_PEND_SV                        14
+
+/* *
+ * @ingroup los_hwi
+ * Interrupt No. 15 :SysTick.
+ */
+#define OS_EXC_SYS_TICK                       15
+
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+/* *
+ * @ingroup los_hwi
+ * Set interrupt vector table.
+ */
+extern VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector, VOID *arg);
+#else
+/* *
+ * @ingroup los_hwi
+ * Set interrupt vector table.
+ */
+extern VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector);
+#endif
+
+/* *
+ * @ingroup  los_hwi
+ * @brief: Hardware interrupt entry function.
+ *
+ * @par Description:
+ * This API is used as all hardware interrupt handling function entry.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param:None.
+ *
+ * @retval:None.
+ * @par Dependency:
+ * <ul><li>los_hwi.h: the header file that contains the API declaration.</li></ul>
+ * @see None.
+ */
+extern VOID HalInterrupt(VOID);
+
+/* *
+ * @ingroup  los_hwi
+ * @brief: Default vector handling function.
+ *
+ * @par Description:
+ * This API is used to configure interrupt for null function.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param:None.
+ *
+ * @retval:None.
+ * @par Dependency:
+ * <ul><li>los_hwi.h: the header file that contains the API declaration.</li
+></ul>
+ * @see None.
+ */
+extern VOID HalHwiDefaultHandler(VOID);
+
+/* *
+ * @ingroup  los_hwi
+ * @brief: Reset the vector table.
+ *
+ * @par Description:
+ * This API is used to reset the vector table.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param:None.
+ *
+ * @retval:None.
+ * @par Dependency:
+ * <ul><li>los_hwi.h: the header file that contains the API declaration.</li></ul>
+ * @see None.
+ */
+extern VOID Reset_Handler(VOID);
+
+/* *
+ * @ingroup  los_hwi
+ * @brief: Pended System Call.
+ *
+ * @par Description:
+ * PendSV can be pended and is useful for an OS to pend an exception
+ * so that an action can be performed after other important tasks are completed.
+ *
+ * @attention:
+ * <ul><li>None.</li></ul>
+ *
+ * @param:None.
+ *
+ * @retval:None.
+ * @par Dependency:
+ * <ul><li>los_hwi.h: the header file that contains the API declaration.</li></ul>
+ * @see None.
+ */
+extern VOID HalPendSV(VOID);
+
+
+#define OS_EXC_IN_INIT                      0
+#define OS_EXC_IN_TASK                      1
+#define OS_EXC_IN_HWI                       2
+
+#define OS_EXC_MAX_BUF_LEN                  25
+#define OS_EXC_MAX_NEST_DEPTH               1
+
+#define OS_NVIC_SHCSR                       0xE000ED24
+#define OS_NVIC_CCR                         0xE000ED14
+
+#define OS_NVIC_INT_ENABLE_SIZE             0x20
+#define OS_NVIC_INT_PRI_SIZE                0xF0
+#define OS_NVIC_EXCPRI_SIZE                 0xC
+#define OS_NVIC_INT_CTRL_SIZE               4
+#define OS_NVIC_SHCSR_SIZE                  4
+
+#define OS_NVIC_INT_PEND_SIZE               OS_NVIC_INT_ACT_SIZE
+#define OS_NVIC_INT_ACT_SIZE                OS_NVIC_INT_ENABLE_SIZE
+
+#define OS_EXC_FLAG_NO_FLOAT                0x10000000
+#define OS_EXC_FLAG_FAULTADDR_VALID         0x01
+#define OS_EXC_FLAG_IN_HWI                  0x02
+
+#define OS_EXC_IMPRECISE_ACCESS_ADDR        0xABABABAB
+
+#define OS_EXC_EVENT                        0x00000001
+
+/**
+ * @ingroup los_exc
+ * the struct of register files
+ *
+ * description: the register files that saved when exception triggered
+ *
+ * notes:the following register with prefix 'uw'  correspond to the registers in the cpu  data sheet.
+ */
+typedef struct TagExcContext {
+#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined (__FPU_USED   ) && (__FPU_USED    == 1U))     )
+    UINT32 S16;
+    UINT32 S17;
+    UINT32 S18;
+    UINT32 S19;
+    UINT32 S20;
+    UINT32 S21;
+    UINT32 S22;
+    UINT32 S23;
+    UINT32 S24;
+    UINT32 S25;
+    UINT32 S26;
+    UINT32 S27;
+    UINT32 S28;
+    UINT32 S29;
+    UINT32 S30;
+    UINT32 S31;
+#endif
+    UINT32 uwR4;
+    UINT32 uwR5;
+    UINT32 uwR6;
+    UINT32 uwR7;
+    UINT32 uwR8;
+    UINT32 uwR9;
+    UINT32 uwR10;
+    UINT32 uwR11;
+    UINT32 uwPriMask;
+    /* auto save */
+    UINT32 uwSP;
+    UINT32 uwR0;
+    UINT32 uwR1;
+    UINT32 uwR2;
+    UINT32 uwR3;
+    UINT32 uwR12;
+    UINT32 uwLR;
+    UINT32 uwPC;
+    UINT32 uwxPSR;
+#if ((defined (__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined (__FPU_USED) && (__FPU_USED== 1U)))
+    UINT32 S0;
+    UINT32 S1;
+    UINT32 S2;
+    UINT32 S3;
+    UINT32 S4;
+    UINT32 S5;
+    UINT32 S6;
+    UINT32 S7;
+    UINT32 S8;
+    UINT32 S9;
+    UINT32 S10;
+    UINT32 S11;
+    UINT32 S12;
+    UINT32 S13;
+    UINT32 S14;
+    UINT32 S15;
+    UINT32 FPSCR;
+    UINT32 NO_NAME;
+#endif
+}EXC_CONTEXT_S;
+
+typedef VOID (*EXC_PROC_FUNC)(UINT32, EXC_CONTEXT_S *);
+VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr);
+
+VOID HalExcNMI(VOID);
+VOID HalExcHardFault(VOID);
+VOID HalExcMemFault(VOID);
+VOID HalExcBusFault(VOID);
+VOID HalExcUsageFault(VOID);
+VOID HalSVCHandler(VOID);
+VOID HalHwiInit(VOID);
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: An error occurred while the bus status register was being pushed.
+ */
+#define OS_EXC_BF_STKERR           1
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: An error occurred while the bus status register was out of the stack.
+ */
+#define OS_EXC_BF_UNSTKERR         2
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Bus status register imprecise data access violation.
+ */
+#define OS_EXC_BF_IMPRECISERR      3
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Bus status register exact data access violation.
+ */
+#define OS_EXC_BF_PRECISERR        4
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Bus status register access violation while pointing.
+ */
+#define OS_EXC_BF_IBUSERR          5
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: An error occurred while the memory management status register was being pushed.
+ */
+#define OS_EXC_MF_MSTKERR          6
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: An error occurred while the memory management status register was out of the stack.
+ */
+#define OS_EXC_MF_MUNSTKERR        7
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Memory management status register data access violation.
+ */
+#define OS_EXC_MF_DACCVIOL         8
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Memory management status register access violation.
+ */
+#define OS_EXC_MF_IACCVIOL         9
+
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Incorrect usage indicating that the divisor is zero during the division operation.
+ */
+#define OS_EXC_UF_DIVBYZERO        10
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Usage error, error caused by unaligned access.
+ */
+#define OS_EXC_UF_UNALIGNED        11
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Incorrect usage attempting to execute coprocessor related instruction.
+ */
+#define OS_EXC_UF_NOCP             12
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Usage error attempting to load EXC_RETURN to PC illegally on exception return.
+ */
+#define OS_EXC_UF_INVPC            13
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Incorrect usage, attempting to cut to ARM state.
+ */
+#define OS_EXC_UF_INVSTATE         14
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Incorrect usage. Executed instruction whose code is undefined.
+ */
+#define OS_EXC_UF_UNDEFINSTR       15
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: NMI
+ */
+
+#define OS_EXC_CAUSE_NMI           16
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: hard fault
+ */
+#define OS_EXC_CAUSE_HARDFAULT     17
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: The task handler exits.
+ */
+#define OS_EXC_CAUSE_TASK_EXIT     18
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: A fatal error.
+ */
+#define OS_EXC_CAUSE_FATAL_ERR     19
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: Hard Fault caused by a debug event.
+ */
+#define OS_EXC_CAUSE_DEBUGEVT      20
+
+/**
+ * @ingroup los_exc
+ * Cortex-M exception types: A hard fault that occurs when a quantity is oriented.
+ */
+#define OS_EXC_CAUSE_VECTBL        21
+
+/**
+ * @ingroup los_exc
+ * Exception information structure
+ *
+ * Description: Exception information saved when an exception is triggered on the Cortex-M4 platform.
+ *
+ */
+typedef struct TagExcInfo {
+    /**< Exception occurrence phase: 0 means that an exception occurs in initialization,
+     * 1 means that an exception occurs in a task, and 2 means that an exception occurs in an interrupt */
+    UINT16 phase;
+    /**< Exception type. When exceptions occur, check the numbers 1 - 21 listed above */
+    UINT16 type;
+    /**< If the exact address access error indicates the wrong access address when the exception occurred */
+    UINT32 faultAddr;
+    /**< An exception occurs in an interrupt, indicating the interrupt number.
+     * An exception occurs in the task, indicating the task ID, or 0xFFFFFFFF if it occurs during initialization */
+    UINT32 thrdPid;
+    /**< Number of nested exceptions. Currently only registered hook functions are supported
+     * when an exception is entered for the first time */
+    UINT16 nestCnt;
+    /**< reserve */
+    UINT16 reserved;
+    /**< Hardware context at the time an exception to the automatic stack floating-point register occurs */
+    EXC_CONTEXT_S *context;
+} ExcInfo;
+
+extern UINT32 g_curNestCount;
+extern UINT32 g_intCount;
+extern UINT8 g_uwExcTbl[32];
+extern ExcInfo g_excInfo;
+
+#define MAX_INT_INFO_SIZE       (8 + 0x164)
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif /* _LOS_EXC_H */

arch/arm/cortex-m55/iar/TZ/non_secure/los_arch_timer.h

@@ -1,7 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
  * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
- * Copyright (c) 2021 Nuclei Limited. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -27,15 +26,15 @@
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE
- *
- * Description: Provide a task example.
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef _TASKSAMPLE_H
-#define _TASKSAMPLE_H
+#ifndef _LOS_ARCH_TIMER_H
+#define _LOS_ARCH_TIMER_H
 
+#include "los_config.h"
 #include "los_compiler.h"
+#include "los_timer.h"
 
 #ifdef __cplusplus
 #if __cplusplus
@@ -43,12 +42,11 @@ extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-VOID RunTaskSample(VOID);
-
 #ifdef __cplusplus
 #if __cplusplus
 }
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-#endif /* _TASKSAMPLE_H */
+#endif /* _LOS_ARCH_TIMER_H */
+

arch/arm/cortex-m55/iar/TZ/non_secure/los_context.c

@@ -0,0 +1,163 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_context.h"
+#include "securec.h"
+#include "los_arch_context.h"
+#include "los_arch_interrupt.h"
+#include "los_task.h"
+#include "los_sched.h"
+#include "los_interrupt.h"
+#include "los_debug.h"
+
+/* ****************************************************************************
+ Function    : ArchInit
+ Description : arch init function
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT VOID ArchInit(VOID)
+{
+    HalHwiInit();
+}
+
+/* ****************************************************************************
+ Function    : ArchSysExit
+ Description : Task exit function
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_MINOR VOID ArchSysExit(VOID)
+{
+    LOS_IntLock();
+    while (1) {
+    }
+}
+
+/* ****************************************************************************
+ Function    : ArchTskStackInit
+ Description : Task stack initialization function
+ Input       : taskID     --- TaskID
+               stackSize  --- Total size of the stack
+               topStack    --- Top of task's stack
+ Output      : None
+ Return      : Context pointer
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT VOID *ArchTskStackInit(UINT32 taskID, UINT32 stackSize, VOID *topStack)
+{
+    TaskContext *context = (TaskContext *)((UINTPTR)topStack + stackSize - sizeof(TaskContext));
+
+#if ((defined(__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
+     (defined(__FPU_USED) && (__FPU_USED == 1U)))
+    context->S16 = 0xAA000010;
+    context->S17 = 0xAA000011;
+    context->S18 = 0xAA000012;
+    context->S19 = 0xAA000013;
+    context->S20 = 0xAA000014;
+    context->S21 = 0xAA000015;
+    context->S22 = 0xAA000016;
+    context->S23 = 0xAA000017;
+    context->S24 = 0xAA000018;
+    context->S25 = 0xAA000019;
+    context->S26 = 0xAA00001A;
+    context->S27 = 0xAA00001B;
+    context->S28 = 0xAA00001C;
+    context->S29 = 0xAA00001D;
+    context->S30 = 0xAA00001E;
+    context->S31 = 0xAA00001F;
+    context->S0 = 0xAA000000;
+    context->S1 = 0xAA000001;
+    context->S2 = 0xAA000002;
+    context->S3 = 0xAA000003;
+    context->S4 = 0xAA000004;
+    context->S5 = 0xAA000005;
+    context->S6 = 0xAA000006;
+    context->S7 = 0xAA000007;
+    context->S8 = 0xAA000008;
+    context->S9 = 0xAA000009;
+    context->S10 = 0xAA00000A;
+    context->S11 = 0xAA00000B;
+    context->S12 = 0xAA00000C;
+    context->S13 = 0xAA00000D;
+    context->S14 = 0xAA00000E;
+    context->S15 = 0xAA00000F;
+    context->FPSCR = 0x00000000;
+    context->NO_NAME = 0xAA000011;
+#endif
+
+    context->secureContext = 0UL;
+    context->stackLmit = (UINT32)topStack;
+    context->excReturn = 0xFFFFFFBC;
+
+    context->uwR4 = 0x04040404L;
+    context->uwR5 = 0x05050505L;
+    context->uwR6 = 0x06060606L;
+    context->uwR7 = 0x07070707L;
+    context->uwR8 = 0x08080808L;
+    context->uwR9 = 0x09090909L;
+    context->uwR10 = 0x10101010L;
+    context->uwR11 = 0x11111111L;
+    context->uwPriMask = 0;
+    context->uwR0 = taskID;
+    context->uwR1 = 0x01010101L;
+    context->uwR2 = 0x02020202L;
+    context->uwR3 = 0x03030303L;
+    context->uwR12 = 0x12121212L;
+    context->uwLR = (UINT32)(UINTPTR)ArchSysExit;
+    context->uwPC = (UINT32)(UINTPTR)OsTaskEntry;
+    context->uwxPSR = 0x01000000L;
+
+    return (VOID *)context;
+}
+
+VOID *ArchSignalContextInit(VOID *stackPointer, VOID *stackTop, UINTPTR sigHandler, UINT32 param)
+{
+    TaskContext *context = (TaskContext *)((UINTPTR)stackPointer - sizeof(TaskContext));
+    (VOID)memset_s((VOID *)context, sizeof(TaskContext), 0, sizeof(TaskContext));
+
+    context->uwR0 = param;
+    context->uwPC = sigHandler;
+    context->stackLimit = (UINT32)stackTop;
+    context->excReturn = 0xFFFFFFBC;
+    context->uwxPSR = 0x01000000L; /* Thumb flag, always set 1 */
+
+    return (VOID *)context;
+}
+
+LITE_OS_SEC_TEXT_INIT UINT32 ArchStartSchedule(VOID)
+{
+    (VOID)LOS_IntLock();
+    OsSchedStart();
+    HalStartToRun();
+    return LOS_OK; /* never return */
+}

arch/arm/cortex-m55/iar/TZ/non_secure/los_dispatch.S

@@ -0,0 +1,237 @@
+;
+; Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+; Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+;
+; Redistribution and use in source and binary forms, with or without modification,
+; are permitted provided that the following conditions are met:
+;
+; 1. Redistributions of source code must retain the above copyright notice, this list of
+;    conditions and the following disclaimer.
+;
+; 2. Redistributions in binary form must reproduce the above copyright notice, this list
+;    of conditions and the following disclaimer in the documentation and/or other materials
+;    provided with the distribution.
+;
+; 3. Neither the name of the copyright holder nor the names of its contributors may be used
+;    to endorse or promote products derived from this software without specific prior written
+;    permission.
+;
+; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+; "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+; THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+; PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+; EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+; WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+; OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+; ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+;
+
+    PRESERVE8
+
+    EXPORT  ArchIntLock
+    EXPORT  ArchIntUnLock
+    EXPORT  ArchIntRestore
+    EXPORT  ArchTaskSchedule
+    EXPORT  HalPendSV
+    EXPORT  HalSVCHandler
+    EXPORT  HalStartFirstTask
+    EXPORT  HalSVCStartSchedule
+    EXPORT  HalSVCSecureContextAlloc
+    EXPORT  HalSVCSecureContextFree
+    IMPORT  OsSignalTaskContextRestore
+    IMPORT  OsSchedTaskSwitch
+    IMPORT  g_losTask
+
+    EXTERN  HalSecureSVCHandler
+    EXTERN  HalSecureContextSave
+    EXTERN  HalSecureContextLoad
+    EXTERN  g_secureContext
+
+OS_FPU_CPACR                EQU     0xE000ED88
+OS_FPU_CPACR_ENABLE         EQU     0x00F00000
+OS_NVIC_INT_CTRL            EQU     0xE000ED04
+OS_NVIC_SYSPRI2             EQU     0xE000ED20
+OS_NVIC_PENDSV_PRI          EQU     0xF0F00000
+OS_NVIC_PENDSVSET           EQU     0x10000000
+OS_TASK_STATUS_RUNNING      EQU     0x0010
+
+    SECTION    .text:CODE(2)
+    THUMB
+    REQUIRE8
+
+    MACRO SIGNAL_CONTEXT_RESTORE
+    PUSH    {R12, LR}
+    BLX     OsSignalTaskContextRestore
+    POP     {R12, LR}
+    CMP     R0, #0
+    MOV     R1, R0
+    BNE     SignalContextRestore
+    ENDM
+
+HalStartFirstTask
+    MOV     R0, #2
+    MSR     CONTROL, R0
+
+    LDR     R1, =g_losTask
+    LDR     R0, [R1, #4]
+
+    LDR     R12, [R0]                  /* Get the stack pointer of the current task. */
+    LDMFD   R12!, {R1-R3}              /* Read from stack: R1 = secureContext, R2 = stackLmit and R3 = excReturn.*/
+    LDR     R4, =g_secureContext
+    STR     R1, [R4]                   /* Set the secureContext to g_secureContext handler. */
+    MSR     PSPLIM, R2                 /* Set the stackLmit for the PSPLIM about current task. */
+    ISB
+
+    LDR.W   R1, =OS_FPU_CPACR
+    LDR     R1, [R1]
+    AND     R1, R1, #OS_FPU_CPACR_ENABLE
+    CMP     R1, #OS_FPU_CPACR_ENABLE
+    BNE     __DisabledFPU1
+    ADD     R12, R12, #64
+    VPUSH   S0;
+    VPOP    S0;
+
+__DisabledFPU1
+    ADD     R12, R12, #36
+    MSR     PSP, R12
+    CPSIE   I
+    BX      R3
+
+ArchIntLock
+    MRS     R0, PRIMASK
+    CPSID   I
+    BX      LR
+
+ArchIntUnLock
+    MRS     R0, PRIMASK
+    CPSIE   I
+    BX      LR
+
+ArchIntRestore
+    MSR     PRIMASK, R0
+    BX      LR
+
+ArchTaskSchedule
+    LDR     R0, =OS_NVIC_INT_CTRL
+    LDR     R1, =OS_NVIC_PENDSVSET
+    STR     R1, [R0]
+    DSB
+    ISB
+    BX      LR
+
+HalPendSV
+    MRS     R12, PRIMASK
+    CPSID   I
+
+HalTaskSwitch
+    SIGNAL_CONTEXT_RESTORE
+
+    PUSH    {R12, LR}
+    BLX     OsSchedTaskSwitch
+    POP     {R12, LR}
+    CMP     R0, #0
+    MOV     R0, LR
+    BNE     TaskContextSwitch
+    MSR     PRIMASK, R12
+    BX      LR
+
+TaskContextSwitch
+    MOV     LR, R0
+    MRS     R0, PSP
+
+    LDR     R2, =g_secureContext
+    LDR     R1, [R2]
+    CBZ     R1, __SaveNSContext               /* If the g_secureContext is NULL, so no secure context to save. */
+
+    PUSH    {R0-R1, R12, R14}                 /* Store registers, include LR, PRIMASK. */
+    BL      HalSecureContextSave              /* Store the secure context to g_secureContext->curStackPointer. */
+    POP     {R0-R3}
+    MOV     LR, R3
+    MOV     R12, R2                           /* R2 = PRIMASK. */
+
+__SaveNSContext
+    STMFD   R0!, {R4-R12}
+    LDR.W   R3, =OS_FPU_CPACR
+    LDR     R3, [R3]
+    AND     R3, R3, #OS_FPU_CPACR_ENABLE
+    CMP     R3, #OS_FPU_CPACR_ENABLE
+    BNE     __DisabledFPU2
+    VSTMDB  R0!, {D8-D15}
+
+__DisabledFPU2
+    LDR     R5, =g_losTask
+    LDR     R6, [R5]                          /* Get the stackPointer handler of the current task. */
+    SUBS    R0, R0, #12
+    STR     R0, [R6]                          /* Save the new top of stack in TCB. */
+    MRS     R2, PSPLIM
+    MOV     R3, LR
+    STMIA   R0!, {R1, R2-R3}                  /* Store g_secureContext, PSPLIM and LR on the stack of current task. */
+
+    LDR     R0, [R5, #4]
+    STR     R0, [R5]
+    LDR     R1, [R0]
+
+SignalContextRestore
+    LDMIA   R1!, {R0, R2-R3}                  /* Restore secureContext, PSPLIM and LR from the current task stack. */
+    MSR     PSPLIM, R2
+    MOV     LR, R3
+    LDR     R2, =g_secureContext
+    STR     R0, [R2]                          /* Set the secureContext of the new task to g_secureContext. */
+    CBZ     R0, __RestoreNSContext            /* If there is no secure context for the new task, so restore from the non-secure context. */
+    PUSH    {R1, R3}
+    BL      HalSecureContextLoad              /* Restore the secure context. */
+    POP     {R1, R3}
+    MOV     LR, R3
+
+__RestoreNSContext
+    LDR.W   R3, =OS_FPU_CPACR
+    LDR     R3, [R3]
+    AND     R3, R3, #OS_FPU_CPACR_ENABLE
+    CMP     R3, #OS_FPU_CPACR_ENABLE
+    BNE     __DisabledFPU3
+    VLDMIA  R1!, {D8-D15}
+
+__DisabledFPU3
+    LDMFD   R1!, {R4-R12}
+    MSR     PSP,  R1
+
+    MSR     PRIMASK, R12
+    BX      LR
+
+HalSVCStartSchedule
+    LDR     R4, =OS_NVIC_SYSPRI2
+    LDR     R5, =OS_NVIC_PENDSV_PRI
+    STR     R5, [R4]
+    CPSIE   I
+    DSB
+    ISB
+    SVC     2
+
+HalSVCSecureContextAlloc
+    SVC     0
+    BX      LR
+
+HalSVCSecureContextFree
+    SVC     1
+    BX      LR
+
+HalSVCHandler
+    TST     LR, #0x04
+    ITE     EQ
+    MRSEQ   R1, MSP
+    MRSNE   R1, PSP
+    LDR     R0, [R1, #24]
+    LDRB    R0, [R0, #-2]                     /* Get the SVC number. */
+
+    PUSH    {LR}
+    MOV     R2, R1                            /* Get the stack for R2. */
+    LDMFD   R2!, {R1}                         /* Get the input arg for HalSecureSVCHandler. */
+    STMFD   R2!, {R1}
+    BL      HalSecureSVCHandler
+    POP     {LR}
+    BX      LR
+
+    END

arch/arm/cortex-m55/iar/TZ/non_secure/los_exc.S

@@ -0,0 +1,274 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+    PRESERVE8
+    SECTION    .text:CODE(2)
+    THUMB
+
+    EXPORT  HalExcNMI
+    EXPORT  HalExcHardFault
+    EXPORT  HalExcMemFault
+    EXPORT  HalExcBusFault
+    EXPORT  HalExcUsageFault
+
+    IMPORT HalExcHandleEntry
+    IMPORT g_uwExcTbl
+    IMPORT g_taskScheduled
+
+OS_FLG_BGD_ACTIVE   EQU   0x0002
+
+OS_EXC_CAUSE_NMI            EQU   16
+OS_EXC_CAUSE_HARDFAULT      EQU   17
+
+HF_DEBUGEVT     EQU   20
+HF_VECTBL       EQU   21
+
+FLAG_ADDR_VALID             EQU   0x10000
+FLAG_HWI_ACTIVE             EQU   0x20000
+FLAG_NO_FLOAT               EQU   0x10000000
+
+OS_NVIC_FSR                 EQU   0xE000ED28      ;include BusFault/MemFault/UsageFault State Register
+OS_NVIC_HFSR                EQU   0xE000ED2C      ;HardFault State Register
+OS_NVIC_BFAR                EQU   0xE000ED38
+OS_NVIC_MMAR                EQU   0xE000ED34
+OS_NVIC_ACT_BASE            EQU   0xE000E300
+OS_NVIC_SHCSRS              EQU   0xE000ED24
+OS_NVIC_SHCSR_MASK          EQU   0xC00
+
+HalExcNMI
+    MOV  R0, #OS_EXC_CAUSE_NMI
+    MOV  R1, #0
+    B  osExcDispatch
+
+HalExcHardFault
+    MOV  R0, #OS_EXC_CAUSE_HARDFAULT
+    LDR  R2, =OS_NVIC_HFSR
+    LDR  R2, [R2]
+
+    MOV  R1, #HF_DEBUGEVT
+    ORR  R0, R0, R1, LSL #0x8
+    TST  R2, #0x80000000
+    BNE  osExcDispatch     ; DEBUGEVT
+
+    AND  R0, R0 , #0x000000FF
+    MOV  R1, #HF_VECTBL
+    ORR  R0, R0, R1, LSL #0x8
+    TST  R2, #0x00000002
+    BNE  osExcDispatch     ; VECTBL
+
+    ;if not DEBUGEVT and VECTBL then is FORCED
+    AND  R0, R0, #0x000000FF
+
+    LDR  R2, =OS_NVIC_FSR
+    LDR  R2, [R2]
+
+    TST  R2, #0x8000     ; BFARVALID
+    BNE  _HFBusFault     ; BusFault
+
+    TST  R2, #0x80       ; MMARVALID
+    BNE  _HFMemFault     ; MemFault
+
+    MOV  R12,#0
+    B    osHFExcCommonBMU
+
+_HFBusFault
+    LDR  R1, =OS_NVIC_BFAR
+    LDR  R1, [R1]
+    MOV  R12, #FLAG_ADDR_VALID
+    B    osHFExcCommonBMU
+
+_HFMemFault
+    LDR  R1, =OS_NVIC_MMAR
+    LDR  R1, [R1]
+    MOV  R12, #FLAG_ADDR_VALID
+
+osHFExcCommonBMU
+    CLZ  R2, R2
+    LDR  R3, =g_uwExcTbl
+    ADD  R3, R3, R2
+    LDRB R2, [R3]
+    ORR  R0, R0, R2, LSL #0x8
+    ORR  R0, R0 ,R12
+    B    osExcDispatch
+
+HalExcBusFault
+    LDR  R0, =OS_NVIC_FSR
+    LDR  R0, [R0]
+
+    TST  R0, #0x8000 ; BFARVALID
+    BEQ  _ExcBusNoADDR
+    LDR  R1, =OS_NVIC_BFAR
+    LDR  R1, [R1]
+    MOV  R12, #FLAG_ADDR_VALID
+    AND  R0, R0, #0x1F00
+
+    B    osExcCommonBMU
+
+_ExcBusNoADDR
+    MOV  R12,#0
+    B    osExcCommonBMU
+
+HalExcMemFault
+    LDR  R0, =OS_NVIC_FSR
+    LDR  R0, [R0]
+
+    TST  R0, #0x80 ; MMARVALID
+    BEQ  _ExcMemNoADDR
+    LDR  R1, =OS_NVIC_MMAR
+    LDR  R1, [R1]
+    MOV  R12, #FLAG_ADDR_VALID
+    AND  R0, R0, #0x1B
+
+    B    osExcCommonBMU
+
+_ExcMemNoADDR
+    MOV  R12,#0
+    B    osExcCommonBMU
+
+HalExcUsageFault
+    LDR  R0, =OS_NVIC_FSR
+    LDR  R0, [R0]
+
+    MOV  R1, #0x030F
+    LSL  R1, R1, #16
+    AND  R0, R0, R1
+    MOV  R12, #0
+
+osExcCommonBMU
+    CLZ  R0, R0
+    LDR  R3, =g_uwExcTbl
+    ADD  R3, R3, R0
+    LDRB R0, [R3]
+    ORR  R0, R0, R12
+
+; R0 -- EXCCAUSE(bit 16 is 1 if EXCADDR valid),  R1 -- EXCADDR
+osExcDispatch
+    LDR   R2, =OS_NVIC_ACT_BASE
+    MOV   R12, #8                       ; R12 is hwi check loop counter
+
+_hwiActiveCheck
+    LDR   R3, [R2]                      ; R3 store active hwi register when exc
+    CMP   R3, #0
+    BEQ   _hwiActiveCheckNext
+
+    ; exc occurred in IRQ
+    ORR   R0, R0, #FLAG_HWI_ACTIVE
+    RBIT  R2, R3
+    CLZ   R2, R2
+    AND   R12, R12, #1
+    ADD   R2, R2, R12, LSL #5               ; calculate R2 (hwi number) as pid
+
+_ExcInMSP
+    CMP   LR, #0xFFFFFFE9
+    BNE   _NoFloatInMsp
+    ADD   R3, R13, #104
+    PUSH  {R3}
+    MRS   R12, PRIMASK                  ; store message-->exc: disable int?
+    PUSH {R4-R12}                       ; store message-->exc: {R4-R12}
+    VPUSH {D8-D15}
+    B     _handleEntry
+
+_NoFloatInMsp
+    ADD   R3, R13, #32
+    PUSH  {R3} ; save IRQ SP            ; store message-->exc: MSP(R13)
+
+    MRS   R12, PRIMASK                  ; store message-->exc: disable int?
+    PUSH {R4-R12}                       ; store message-->exc: {R4-R12}
+    ORR   R0, R0, #FLAG_NO_FLOAT
+    B     _handleEntry
+
+_hwiActiveCheckNext
+    ADD   R2, R2, #4                        ; next NVIC ACT ADDR
+    SUBS  R12, R12, #1
+    BNE   _hwiActiveCheck
+
+    ;/*NMI interrupt excption*/
+    LDR   R2, =OS_NVIC_SHCSRS
+    LDRH  R2,[R2]
+    LDR   R3,=OS_NVIC_SHCSR_MASK
+    AND   R2, R2,R3
+    CMP   R2,#0
+    BNE   _ExcInMSP
+    ; exc occurred in Task or Init or exc
+    ; reserved for register info from task stack
+
+    LDR  R2, =g_taskScheduled
+    LDR  R2, [R2]
+    TST  R2, #1         ; OS_FLG_BGD_ACTIVE
+    BEQ  _ExcInMSP                      ; if exc occurred in Init then branch
+
+
+    CMP   LR, #0xFFFFFFED               ;auto push floating registers
+    BNE   _NoFloatInPsp
+
+    ; exc occurred in Task
+    MOV   R2,  R13
+    SUB   R13, #96                      ; add 8 Bytes reg(for STMFD)
+
+    MRS   R3,  PSP
+    ADD   R12, R3, #104
+    PUSH  {R12}    ; save task SP
+
+    MRS   R12, PRIMASK
+    PUSH {R4-R12}
+    VPUSH {D8-D15}
+
+    ; copy auto saved task register
+
+    LDMFD R3!, {R4-R11}                  ; R4-R11 store PSP reg(auto push when exc in task)
+    VLDMIA  R3!, {D8-D15}
+    VSTMDB  R2!, {D8-D15}
+    STMFD R2!, {R4-R11}
+    B     _handleEntry
+
+_NoFloatInPsp
+    MOV   R2,  R13                           ;no auto push floating registers
+    SUB   R13, #32                      ; add 8 Bytes reg(for STMFD)
+
+    MRS   R3,  PSP
+    ADD   R12, R3, #32
+    PUSH  {R12}    ; save task SP
+
+    MRS   R12, PRIMASK
+    PUSH {R4-R12}
+
+    LDMFD R3, {R4-R11}                  ; R4-R11 store PSP reg(auto push when exc in task)
+    STMFD R2!, {R4-R11}
+    ORR   R0, R0, #FLAG_NO_FLOAT
+
+_handleEntry
+    MOV R3, R13                         ; R13:the 4th param
+    CPSID I
+    CPSID F
+    B  HalExcHandleEntry
+
+    NOP
+    END

arch/arm/cortex-m55/iar/TZ/non_secure/los_interrupt.c

@@ -0,0 +1,654 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_interrupt.h"
+#include "securec.h"
+#include <stdarg.h>
+#include "los_arch_interrupt.h"
+#include "los_context.h"
+#include "los_debug.h"
+#include "los_hook.h"
+#include "los_task.h"
+#include "los_sched.h"
+#include "los_memory.h"
+#include "los_membox.h"
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+#include "los_cpup.h"
+#endif
+
+/*lint -save -e40 -e522 -e533*/
+UINT32 g_intCount = 0;
+
+/*lint -restore*/
+#pragma location = ".data.vector"
+#pragma data_alignment = LOSCFG_ARCH_HWI_VECTOR_ALIGN
+/* *
+ * @ingroup los_hwi
+ * hardware interrupt form mapping handling function array.
+ */
+STATIC HWI_PROC_FUNC g_hwiForm[OS_VECTOR_CNT] = {0};
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
+STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
+
+UINT32 OsGetHwiFormCnt(UINT32 index)
+{
+    return g_hwiFormCnt[index];
+}
+
+CHAR *OsGetHwiFormName(UINT32 index)
+{
+    return g_hwiFormName[index];
+}
+
+BOOL OsGetHwiCreated(UINT32 index)
+{
+    if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+
+typedef struct {
+    HWI_PROC_FUNC pfnHandler;
+    VOID *pParm;
+} HWI_HANDLER_FUNC;
+
+/* *
+ * @ingroup los_hwi
+ * hardware interrupt handler form mapping handling function array.
+ */
+STATIC HWI_HANDLER_FUNC g_hwiHandlerForm[OS_VECTOR_CNT] = {{ (HWI_PROC_FUNC)0, (HWI_ARG_T)0 }};
+
+/* *
+ * @ingroup los_hwi
+ * Set interrupt vector table.
+ */
+VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector, VOID *arg)
+{
+    if ((num + OS_SYS_VECTOR_CNT) < OS_VECTOR_CNT) {
+        g_hwiForm[num + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalInterrupt;
+        g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT].pfnHandler = vector;
+        g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT].pParm = arg;
+    }
+}
+
+#else
+/* *
+ * @ingroup los_hwi
+ * hardware interrupt handler form mapping handling function array.
+ */
+STATIC HWI_PROC_FUNC g_hwiHandlerForm[OS_VECTOR_CNT] = {0};
+
+/* *
+ * @ingroup los_hwi
+ * Set interrupt vector table.
+ */
+VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector)
+{
+    if ((num + OS_SYS_VECTOR_CNT) < OS_VECTOR_CNT) {
+        g_hwiForm[num + OS_SYS_VECTOR_CNT] = HalInterrupt;
+        g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT] = vector;
+    }
+}
+#endif
+
+WEAK VOID SysTick_Handler(VOID)
+{
+    return;
+}
+
+/* ****************************************************************************
+ Function    : HwiNumGet
+ Description : Get an interrupt number
+ Input       : None
+ Output      : None
+ Return      : Interrupt Indexes number
+ **************************************************************************** */
+STATIC UINT32 HwiNumGet(VOID)
+{
+    return __get_IPSR();
+}
+
+STATIC UINT32 HwiUnmask(HWI_HANDLE_T hwiNum)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_EnableIRQ((IRQn_Type)hwiNum);
+
+    return LOS_OK;
+}
+
+STATIC UINT32 HwiMask(HWI_HANDLE_T hwiNum)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_DisableIRQ((IRQn_Type)hwiNum);
+
+    return LOS_OK;
+}
+
+STATIC UINT32 HwiSetPriority(HWI_HANDLE_T hwiNum, UINT8 priority)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    if (priority > OS_HWI_PRIO_LOWEST) {
+        return OS_ERRNO_HWI_PRIO_INVALID;
+    }
+
+    NVIC_SetPriority((IRQn_Type)hwiNum, priority);
+
+    return LOS_OK;
+}
+
+STATIC UINT32 HwiPending(HWI_HANDLE_T hwiNum)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_SetPendingIRQ((IRQn_Type)hwiNum);
+
+    return LOS_OK;
+}
+
+STATIC UINT32 HwiClear(HWI_HANDLE_T hwiNum)
+{
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_ClearPendingIRQ((IRQn_Type)hwiNum);
+
+    return LOS_OK;
+}
+
+HwiControllerOps g_archHwiOps = {
+    .enableIrq      = HwiUnmask,
+    .disableIrq     = HwiMask,
+    .setIrqPriority = HwiSetPriority,
+    .getCurIrqNum   = HwiNumGet,
+    .triggerIrq     = HwiPending,
+    .clearIrq       = HwiClear,
+};
+
+inline UINT32 ArchIsIntActive(VOID)
+{
+    return (g_intCount > 0);
+}
+/* ****************************************************************************
+ Function    : HalHwiDefaultHandler
+ Description : default handler of the hardware interrupt
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+/*lint -e529*/
+LITE_OS_SEC_TEXT_MINOR VOID HalHwiDefaultHandler(VOID)
+{
+    PRINT_ERR("%s irqnum:%u\n", __FUNCTION__, HwiNumGet());
+    while (1) {}
+}
+
+WEAK VOID HalPreInterruptHandler(UINT32 arg)
+{
+    (VOID)arg;
+    return;
+}
+
+WEAK VOID HalAftInterruptHandler(UINT32 arg)
+{
+    (VOID)arg;
+    return;
+}
+
+/* ****************************************************************************
+ Function    : HalInterrupt
+ Description : Hardware interrupt entry function
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
+{
+    UINT32 hwiIndex;
+    UINT32 intSave;
+
+#if (LOSCFG_KERNEL_RUNSTOP == 1)
+    SCB->SCR &= (UINT32) ~((UINT32)SCB_SCR_SLEEPDEEP_Msk);
+#endif
+
+    intSave = LOS_IntLock();
+
+    g_intCount++;
+
+    LOS_IntRestore(intSave);
+
+    hwiIndex = HwiNumGet();
+
+    OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqStart(hwiIndex);
+#endif
+
+    HalPreInterruptHandler(hwiIndex);
+
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+    if (g_hwiHandlerForm[hwiIndex].pfnHandler != 0) {
+        g_hwiHandlerForm[hwiIndex].pfnHandler((VOID *)g_hwiHandlerForm[hwiIndex].pParm);
+    }
+#else
+    if (g_hwiHandlerForm[hwiIndex] != 0) {
+        g_hwiHandlerForm[hwiIndex]();
+    }
+#endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    ++g_hwiFormCnt[hwiIndex];
+#endif
+
+    HalAftInterruptHandler(hwiIndex);
+
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqEnd(hwiIndex);
+#endif
+
+    OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
+
+    intSave = LOS_IntLock();
+    g_intCount--;
+    LOS_IntRestore(intSave);
+}
+
+/* ****************************************************************************
+ Function    : ArchHwiCreate
+ Description : create hardware interrupt
+ Input       : hwiNum   --- hwi num to create
+               hwiPrio  --- priority of the hwi
+               hwiMode  --- unused
+               hwiHandler --- hwi handler
+               irqParam --- param of the hwi handler
+ Output      : None
+ Return      : LOS_OK on success or error code on failure
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
+                                           HWI_PRIOR_T hwiPrio,
+                                           HWI_MODE_T hwiMode,
+                                           HWI_PROC_FUNC hwiHandler,
+                                           HwiIrqParam *irqParam)
+{
+    (VOID)hwiMode;
+    UINTPTR intSave;
+
+    if (hwiHandler == NULL) {
+        return OS_ERRNO_HWI_PROC_FUNC_NULL;
+    }
+
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    if (g_hwiForm[hwiNum + OS_SYS_VECTOR_CNT] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return OS_ERRNO_HWI_ALREADY_CREATED;
+    }
+
+    if (hwiPrio > OS_HWI_PRIO_LOWEST) {
+        return OS_ERRNO_HWI_PRIO_INVALID;
+    }
+
+    intSave = LOS_IntLock();
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+    if (irqParam != NULL) {
+        OsSetVector(hwiNum, hwiHandler, irqParam->pDevId);
+    } else {
+        OsSetVector(hwiNum, hwiHandler, NULL);
+    }
+#else
+    (VOID)irqParam;
+    OsSetVector(hwiNum, hwiHandler);
+#endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    if ((irqParam != NULL) && (irqParam->pName != NULL)) {
+        g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
+    }
+    g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
+#endif
+
+    HwiUnmask((IRQn_Type)hwiNum);
+    HwiSetPriority((IRQn_Type)hwiNum, hwiPrio);
+
+    LOS_IntRestore(intSave);
+
+    return LOS_OK;
+}
+
+/* ****************************************************************************
+ Function    : ArchHwiDelete
+ Description : Delete hardware interrupt
+ Input       : hwiNum   --- hwi num to delete
+               irqParam --- param of the hwi handler
+ Output      : None
+ Return      : LOS_OK on success or error code on failure
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiDelete(HWI_HANDLE_T hwiNum, HwiIrqParam *irqParam)
+{
+    (VOID)irqParam;
+    UINT32 intSave;
+
+    if (hwiNum >= OS_HWI_MAX_NUM) {
+        return OS_ERRNO_HWI_NUM_INVALID;
+    }
+
+    NVIC_DisableIRQ((IRQn_Type)hwiNum);
+
+    intSave = LOS_IntLock();
+
+    g_hwiForm[hwiNum + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalHwiDefaultHandler;
+
+    LOS_IntRestore(intSave);
+
+    return LOS_OK;
+}
+
+#define FAULT_STATUS_REG_BIT            32
+#define USGFAULT                        (1 << 18)
+#define BUSFAULT                        (1 << 17)
+#define MEMFAULT                        (1 << 16)
+#define DIV0FAULT                       (1 << 4)
+#define HARDFAULT_IRQN                  (-13)
+
+ExcInfo g_excInfo = {0};
+
+UINT8 g_uwExcTbl[FAULT_STATUS_REG_BIT] = {
+    0, 0, 0, 0, 0, 0, OS_EXC_UF_DIVBYZERO, OS_EXC_UF_UNALIGNED,
+    0, 0, 0, 0, OS_EXC_UF_NOCP, OS_EXC_UF_INVPC, OS_EXC_UF_INVSTATE, OS_EXC_UF_UNDEFINSTR,
+    0, 0, 0, OS_EXC_BF_STKERR, OS_EXC_BF_UNSTKERR, OS_EXC_BF_IMPRECISERR, OS_EXC_BF_PRECISERR, OS_EXC_BF_IBUSERR,
+    0, 0, 0, OS_EXC_MF_MSTKERR, OS_EXC_MF_MUNSTKERR, 0, OS_EXC_MF_DACCVIOL, OS_EXC_MF_IACCVIOL
+};
+
+#if (LOSCFG_KERNEL_PRINTF != 0)
+STATIC VOID OsExcNvicDump(VOID)
+{
+#define OS_NR_NVIC_EXC_DUMP_TYPES   7
+    UINT32 *base = NULL;
+    UINT32 len, i, j;
+    UINT32 rgNvicBases[OS_NR_NVIC_EXC_DUMP_TYPES] = {
+        OS_NVIC_SETENA_BASE, OS_NVIC_SETPEND_BASE, OS_NVIC_INT_ACT_BASE,
+        OS_NVIC_PRI_BASE, OS_NVIC_EXCPRI_BASE, OS_NVIC_SHCSR, OS_NVIC_INT_CTRL
+    };
+    UINT32 rgNvicLens[OS_NR_NVIC_EXC_DUMP_TYPES] = {
+        OS_NVIC_INT_ENABLE_SIZE, OS_NVIC_INT_PEND_SIZE, OS_NVIC_INT_ACT_SIZE,
+        OS_NVIC_INT_PRI_SIZE, OS_NVIC_EXCPRI_SIZE, OS_NVIC_SHCSR_SIZE,
+        OS_NVIC_INT_CTRL_SIZE
+    };
+    CHAR strRgEnable[] = "enable";
+    CHAR strRgPending[] = "pending";
+    CHAR strRgActive[] = "active";
+    CHAR strRgPriority[] = "priority";
+    CHAR strRgException[] = "exception";
+    CHAR strRgShcsr[] = "shcsr";
+    CHAR strRgIntCtrl[] = "control";
+    CHAR *strRgs[] = {
+        strRgEnable, strRgPending, strRgActive, strRgPriority,
+        strRgException, strRgShcsr, strRgIntCtrl
+    };
+
+    PRINTK("\r\nOS exception NVIC dump:\n");
+    for (i = 0; i < OS_NR_NVIC_EXC_DUMP_TYPES; i++) {
+        base = (UINT32 *)rgNvicBases[i];
+        len = rgNvicLens[i];
+        PRINTK("interrupt %s register, base address: %p, size: 0x%x\n", strRgs[i], base, len);
+        len = (len >> 2); /* 2: Gets the next register offset */
+        for (j = 0; j < len; j++) {
+            PRINTK("0x%x ", *(base + j));
+            if ((j != 0) && ((j % 16) == 0)) { /* 16: print wrap line */
+                PRINTK("\n");
+            }
+        }
+        PRINTK("\n");
+    }
+}
+
+STATIC VOID OsExcTypeInfo(const ExcInfo *excInfo)
+{
+    CHAR *phaseStr[] = {"exc in init", "exc in task", "exc in hwi"};
+
+    PRINTK("Type      = %d\n", excInfo->type);
+    PRINTK("ThrdPid   = %d\n", excInfo->thrdPid);
+    PRINTK("Phase     = %s\n", phaseStr[excInfo->phase]);
+    PRINTK("FaultAddr = 0x%x\n", excInfo->faultAddr);
+}
+
+STATIC VOID OsExcCurTaskInfo(const ExcInfo *excInfo)
+{
+    PRINTK("Current task info:\n");
+    if (excInfo->phase == OS_EXC_IN_TASK) {
+        LosTaskCB *taskCB = OS_TCB_FROM_TID(LOS_CurTaskIDGet());
+        PRINTK("Task name = %s\n", taskCB->taskName);
+        PRINTK("Task ID   = %d\n", taskCB->taskID);
+        PRINTK("Task SP   = %p\n", taskCB->stackPointer);
+        PRINTK("Task ST   = 0x%x\n", taskCB->topOfStack);
+        PRINTK("Task SS   = 0x%x\n", taskCB->stackSize);
+    } else if (excInfo->phase == OS_EXC_IN_HWI) {
+        PRINTK("Exception occur in interrupt phase!\n");
+    } else {
+        PRINTK("Exception occur in system init phase!\n");
+    }
+}
+
+STATIC VOID OsExcRegInfo(const ExcInfo *excInfo)
+{
+    PRINTK("Exception reg dump:\n");
+    PRINTK("PC        = 0x%x\n", excInfo->context->uwPC);
+    PRINTK("LR        = 0x%x\n", excInfo->context->uwLR);
+    PRINTK("SP        = 0x%x\n", excInfo->context->uwSP);
+    PRINTK("R0        = 0x%x\n", excInfo->context->uwR0);
+    PRINTK("R1        = 0x%x\n", excInfo->context->uwR1);
+    PRINTK("R2        = 0x%x\n", excInfo->context->uwR2);
+    PRINTK("R3        = 0x%x\n", excInfo->context->uwR3);
+    PRINTK("R4        = 0x%x\n", excInfo->context->uwR4);
+    PRINTK("R5        = 0x%x\n", excInfo->context->uwR5);
+    PRINTK("R6        = 0x%x\n", excInfo->context->uwR6);
+    PRINTK("R7        = 0x%x\n", excInfo->context->uwR7);
+    PRINTK("R8        = 0x%x\n", excInfo->context->uwR8);
+    PRINTK("R9        = 0x%x\n", excInfo->context->uwR9);
+    PRINTK("R10       = 0x%x\n", excInfo->context->uwR10);
+    PRINTK("R11       = 0x%x\n", excInfo->context->uwR11);
+    PRINTK("R12       = 0x%x\n", excInfo->context->uwR12);
+    PRINTK("PriMask   = 0x%x\n", excInfo->context->uwPriMask);
+    PRINTK("xPSR      = 0x%x\n", excInfo->context->uwxPSR);
+}
+
+#if (LOSCFG_KERNEL_BACKTRACE == 1)
+STATIC VOID OsExcBackTraceInfo(const ExcInfo *excInfo)
+{
+    UINTPTR LR[LOSCFG_BACKTRACE_DEPTH] = {0};
+    UINT32 index;
+
+    OsBackTraceHookCall(LR, LOSCFG_BACKTRACE_DEPTH, 0, excInfo->context->uwSP);
+
+    PRINTK("----- backtrace start -----\n");
+    for (index = 0; index < LOSCFG_BACKTRACE_DEPTH; index++) {
+        if (LR[index] == 0) {
+            break;
+        }
+        PRINTK("backtrace %d -- lr = 0x%x\n", index, LR[index]);
+    }
+    PRINTK("----- backtrace end -----\n");
+}
+#endif
+
+STATIC VOID OsExcMemPoolCheckInfo(VOID)
+{
+    PRINTK("\r\nmemory pools check:\n");
+#if (LOSCFG_PLATFORM_EXC == 1)
+    MemInfoCB memExcInfo[OS_SYS_MEM_NUM];
+    UINT32 errCnt;
+    UINT32 i;
+
+    (VOID)memset_s(memExcInfo, sizeof(memExcInfo), 0, sizeof(memExcInfo));
+
+    errCnt = OsMemExcInfoGet(OS_SYS_MEM_NUM, memExcInfo);
+    if (errCnt < OS_SYS_MEM_NUM) {
+        errCnt += OsMemboxExcInfoGet(OS_SYS_MEM_NUM - errCnt, memExcInfo + errCnt);
+    }
+
+    if (errCnt == 0) {
+        PRINTK("all memory pool check passed!\n");
+        return;
+    }
+
+    for (i = 0; i < errCnt; i++) {
+        PRINTK("pool num    = %d\n", i);
+        PRINTK("pool type   = %d\n", memExcInfo[i].type);
+        PRINTK("pool addr   = 0x%x\n", memExcInfo[i].startAddr);
+        PRINTK("pool size   = 0x%x\n", memExcInfo[i].size);
+        PRINTK("pool free   = 0x%x\n", memExcInfo[i].free);
+        PRINTK("pool blkNum = %d\n", memExcInfo[i].blockSize);
+        PRINTK("pool error node addr  = 0x%x\n", memExcInfo[i].errorAddr);
+        PRINTK("pool error node len   = 0x%x\n", memExcInfo[i].errorLen);
+        PRINTK("pool error node owner = %d\n", memExcInfo[i].errorOwner);
+    }
+#endif
+    UINT32 ret = LOS_MemIntegrityCheck(LOSCFG_SYS_HEAP_ADDR);
+    if (ret == LOS_OK) {
+        PRINTK("system heap memcheck over, all passed!\n");
+    }
+
+    PRINTK("memory pool check end!\n");
+}
+#endif
+
+STATIC VOID OsExcInfoDisplay(const ExcInfo *excInfo)
+{
+#if (LOSCFG_KERNEL_PRINTF != 0)
+    PRINTK("*************Exception Information**************\n");
+    OsExcTypeInfo(excInfo);
+    OsExcCurTaskInfo(excInfo);
+    OsExcRegInfo(excInfo);
+#if (LOSCFG_KERNEL_BACKTRACE == 1)
+    OsExcBackTraceInfo(excInfo);
+#endif
+    OsGetAllTskInfo();
+    OsExcNvicDump();
+    OsExcMemPoolCheckInfo();
+#endif
+}
+
+LITE_OS_SEC_TEXT_INIT VOID HalExcHandleEntry(UINT32 excType, UINT32 faultAddr, UINT32 pid, EXC_CONTEXT_S *excBufAddr)
+{
+    UINT16 tmpFlag = (excType >> 16) & OS_NULL_SHORT; /* 16: Get Exception Type */
+    g_intCount++;
+    g_excInfo.nestCnt++;
+
+    g_excInfo.type = excType & OS_NULL_SHORT;
+
+    if (tmpFlag & OS_EXC_FLAG_FAULTADDR_VALID) {
+        g_excInfo.faultAddr = faultAddr;
+    } else {
+        g_excInfo.faultAddr = OS_EXC_IMPRECISE_ACCESS_ADDR;
+    }
+    if (g_losTask.runTask != NULL) {
+        if (tmpFlag & OS_EXC_FLAG_IN_HWI) {
+            g_excInfo.phase = OS_EXC_IN_HWI;
+            g_excInfo.thrdPid = pid;
+        } else {
+            g_excInfo.phase = OS_EXC_IN_TASK;
+            g_excInfo.thrdPid = g_losTask.runTask->taskID;
+        }
+    } else {
+        g_excInfo.phase = OS_EXC_IN_INIT;
+        g_excInfo.thrdPid = OS_NULL_INT;
+    }
+    if (excType & OS_EXC_FLAG_NO_FLOAT) {
+        g_excInfo.context = (EXC_CONTEXT_S *)((CHAR *)excBufAddr - LOS_OFF_SET_OF(EXC_CONTEXT_S, uwR4));
+    } else {
+        g_excInfo.context = excBufAddr;
+    }
+
+    OsDoExcHook(EXC_INTERRUPT);
+    OsExcInfoDisplay(&g_excInfo);
+    ArchSysExit();
+}
+
+/* ****************************************************************************
+ Function    : HalHwiInit
+ Description : initialization of the hardware interrupt
+ Input       : None
+ Output      : None
+ Return      : None
+ **************************************************************************** */
+LITE_OS_SEC_TEXT_INIT VOID HalHwiInit(VOID)
+{
+#if (LOSCFG_USE_SYSTEM_DEFINED_INTERRUPT == 1)
+    UINT32 index;
+    g_hwiForm[0] = 0;             /* [0] Top of Stack */
+    g_hwiForm[1] = (HWI_PROC_FUNC)Reset_Handler; /* [1] reset */
+    for (index = 2; index < OS_VECTOR_CNT; index++) { /* 2: The starting position of the interrupt */
+        g_hwiForm[index] = (HWI_PROC_FUNC)HalHwiDefaultHandler;
+    }
+    /* Exception handler register */
+    g_hwiForm[NonMaskableInt_IRQn + OS_SYS_VECTOR_CNT]   = (HWI_PROC_FUNC)HalExcNMI;
+    g_hwiForm[HARDFAULT_IRQN + OS_SYS_VECTOR_CNT]        = (HWI_PROC_FUNC)HalExcHardFault;
+    g_hwiForm[MemoryManagement_IRQn + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalExcMemFault;
+    g_hwiForm[BusFault_IRQn + OS_SYS_VECTOR_CNT]         = (HWI_PROC_FUNC)HalExcBusFault;
+    g_hwiForm[UsageFault_IRQn + OS_SYS_VECTOR_CNT]       = (HWI_PROC_FUNC)HalExcUsageFault;
+    g_hwiForm[SVCall_IRQn + OS_SYS_VECTOR_CNT]           = (HWI_PROC_FUNC)HalSVCHandler;
+    g_hwiForm[PendSV_IRQn + OS_SYS_VECTOR_CNT]           = (HWI_PROC_FUNC)HalPendSV;
+    g_hwiForm[SysTick_IRQn + OS_SYS_VECTOR_CNT]          = (HWI_PROC_FUNC)SysTick_Handler;
+
+    /* Interrupt vector table location */
+    SCB->VTOR = (UINT32)(UINTPTR)g_hwiForm;
+#endif
+#if (__CORTEX_M >= 0x03U) /* only for Cortex-M3 and above */
+    NVIC_SetPriorityGrouping(OS_NVIC_AIRCR_PRIGROUP);
+#endif
+
+    /* Enable USGFAULT, BUSFAULT, MEMFAULT */
+    *(volatile UINT32 *)OS_NVIC_SHCSR |= (USGFAULT | BUSFAULT | MEMFAULT);
+    /* Enable DIV 0 and unaligned exception */
+    *(volatile UINT32 *)OS_NVIC_CCR |= DIV0FAULT;
+
+    return;
+}
+

arch/arm/cortex-m55/iar/TZ/non_secure/los_timer.c

@@ -0,0 +1,128 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_timer.h"
+#include "los_config.h"
+#include "los_tick.h"
+#include "los_arch_interrupt.h"
+#include "los_debug.h"
+
+STATIC UINT32 SysTickStart(HWI_PROC_FUNC handler);
+STATIC UINT64 SysTickReload(UINT64 nextResponseTime);
+STATIC UINT64 SysTickCycleGet(UINT32 *period);
+STATIC VOID SysTickLock(VOID);
+STATIC VOID SysTickUnlock(VOID);
+
+STATIC ArchTickTimer g_archTickTimer = {
+    .freq = 0,
+    .irqNum = SysTick_IRQn,
+    .periodMax = LOSCFG_BASE_CORE_TICK_RESPONSE_MAX,
+    .init = SysTickStart,
+    .getCycle = SysTickCycleGet,
+    .reload = SysTickReload,
+    .lock = SysTickLock,
+    .unlock = SysTickUnlock,
+    .tickHandler = NULL,
+};
+
+STATIC UINT32 SysTickStart(HWI_PROC_FUNC handler)
+{
+    UINT32 ret;
+    ArchTickTimer *tick = &g_archTickTimer;
+
+    tick->freq = OS_SYS_CLOCK;
+
+#if (LOSCFG_USE_SYSTEM_DEFINED_INTERRUPT == 1)
+#if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
+    OsSetVector(tick->irqNum, handler, NULL);
+#else
+    OsSetVector(tick->irqNum, handler);
+#endif
+#endif
+
+    ret = SysTick_Config(LOSCFG_BASE_CORE_TICK_RESPONSE_MAX);
+    if (ret == 1) {
+        return LOS_ERRNO_TICK_PER_SEC_TOO_SMALL;
+    }
+
+    return LOS_OK;
+}
+
+STATIC UINT64 SysTickReload(UINT64 nextResponseTime)
+{
+    if (nextResponseTime > g_archTickTimer.periodMax) {
+        nextResponseTime = g_archTickTimer.periodMax;
+    }
+
+    SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
+    SysTick->LOAD = (UINT32)(nextResponseTime - 1UL); /* set reload register */
+    SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
+    NVIC_ClearPendingIRQ(SysTick_IRQn);
+    SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
+    return nextResponseTime;
+}
+
+STATIC UINT64 SysTickCycleGet(UINT32 *period)
+{
+    UINT32 hwCycle = 0;
+    UINTPTR intSave = LOS_IntLock();
+    UINT32 val = SysTick->VAL;
+    *period = SysTick->LOAD;
+    if (val != 0) {
+        hwCycle = *period - val;
+    }
+    LOS_IntRestore(intSave);
+    return (UINT64)hwCycle;
+}
+
+STATIC VOID SysTickLock(VOID)
+{
+    SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
+}
+
+STATIC VOID SysTickUnlock(VOID)
+{
+    SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
+}
+
+ArchTickTimer *ArchSysTickTimerGet(VOID)
+{
+    return &g_archTickTimer;
+}
+
+UINT32 ArchEnterSleep(VOID)
+{
+    __DSB();
+    __WFI();
+    __ISB();
+
+    return LOS_OK;
+}

arch/arm/cortex-m55/iar/TZ/non_secure/los_trustzone.c

@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_trustzone.h"
+#include "los_secure_macros.h"
+#include "los_secure_context.h"
+#include "los_debug.h"
+#include "los_arch_context.h"
+#include "los_interrupt.h"
+
+OsSecureContext *g_secureContext = NULL;
+
+VOID HalSecureSVCHandler(UINT32 svcID, UINTPTR arg)
+{
+    switch (svcID) {
+        case OS_SVC_START_SCHEDULE:
+            HalSecureContextInit();
+            HalStartFirstTask();
+            break;
+        case OS_SVC_ALLOCATE_SECURE_CONTEXT:
+            g_secureContext = HalSecureContextAlloc(arg);
+            LOS_ASSERT(g_secureContext != NULL);
+            HalSecureContextLoad(g_secureContext);
+            break;
+        case OS_SVC_FREE_SECURE_CONTEXT:
+            HalSecureContextFree(g_secureContext);
+            break;
+        default:
+            PRINT_ERR("Incorrect svc id = %u\n", svcID);
+            break;
+    }
+}
+
+VOID HalStartToRun(VOID)
+{
+    HalSVCStartSchedule();
+}
+
+VOID LOS_SecureContextAlloc(UINT32 secureStackSize)
+{
+    if (secureStackSize == 0) {
+        return;
+    }
+
+    LOS_ASSERT((__get_IPSR() == 0) && (__get_PRIMASK() == 0));
+    secureStackSize = LOS_Align(secureStackSize, sizeof(UINTPTR));
+    HalSVCSecureContextAlloc(secureStackSize);
+}
+
+VOID LOS_SecureContextFree(VOID)
+{
+    HalSVCSecureContextFree();
+}
+

arch/arm/cortex-m55/iar/TZ/non_secure/los_trustzone.h

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_TRUSTZONE_H
+#define _LOS_TRUSTZONE_H
+
+#include "los_config.h"
+#include "los_task.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+extern VOID LOS_SecureContextAlloc(UINT32 secureStackSize);
+extern VOID LOS_SecureContextFree(VOID);
+
+extern VOID HalStartFirstTask(VOID);
+extern VOID HalSVCStartSchedule(VOID);
+extern VOID HalSVCSecureContextAlloc(UINT32 secureStackSize);
+extern VOID HalSVCSecureContextFree(VOID);
+extern VOID HalSVCHandler(VOID);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif
+

arch/arm/cortex-m55/iar/TZ/secure/los_secure_context.c

@@ -0,0 +1,98 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_secure_context.h"
+#include "los_secure_macros.h"
+#include "los_secure_heap.h"
+
+OS_CMSE_NS_ENTRY VOID HalSecureContextInit(VOID)
+{
+    UINT32 ipsr;
+
+    OS_IPSR_READ(ipsr);
+    if (!ipsr) {
+        return;
+    }
+
+    HalSecureContextInitAsm();
+}
+
+OS_CMSE_NS_ENTRY OsSecureContext *HalSecureContextAlloc(UINT32 size)
+{
+    OsSecureContext *secureContext = NULL;
+    UINT32 ipsr;
+
+    OS_IPSR_READ(ipsr);
+    if (!ipsr) {
+        return NULL;
+    }
+
+    secureContext = HalSecureMalloc(sizeof(OsSecureContext));
+    if (secureContext == NULL) {
+        return NULL;
+    }
+
+    secureContext->stackLimit = HalSecureMalloc(size);
+    if (secureContext->stackLimit == NULL) {
+        HalSecureFree(secureContext);
+        return NULL;
+    }
+
+    secureContext->stackStart = secureContext->stackLimit + size;
+    secureContext->curStackPointer = secureContext->stackStart;
+
+    return secureContext;
+}
+
+OS_CMSE_NS_ENTRY VOID HalSecureContextFree(OsSecureContext *secureContext)
+{
+    UINT32 ipsr;
+
+    OS_IPSR_READ(ipsr);
+    if (!ipsr) {
+        return;
+    }
+
+    HalSecureFree(secureContext->stackLimit);
+    secureContext->stackLimit = NULL;
+    HalSecureFree(secureContext);
+}
+
+OS_CMSE_NS_ENTRY VOID HalSecureContextLoad(OsSecureContext *secureContext)
+{
+    HalSecureContextLoadAsm(secureContext);
+}
+
+OS_CMSE_NS_ENTRY VOID HalSecureContextSave(OsSecureContext *secureContext)
+{
+    HalSecureContextSaveAsm(secureContext);
+}
+

arch/arm/cortex-m55/iar/TZ/secure/los_secure_context.h

@@ -0,0 +1,65 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_SECURE_CONTEXT_H
+#define _LOS_SECURE_CONTEXT_H
+
+#include "los_config.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+typedef struct {
+    UINT8 *curStackPointer;
+    UINT8 *stackLimit;
+    UINT8 *stackStart;
+} OsSecureContext;
+
+extern VOID HalSecureContextInit(VOID);
+extern OsSecureContext *HalSecureContextAlloc(UINT32 size);
+extern VOID HalSecureContextFree(OsSecureContext *secureContext);
+extern VOID HalSecureContextLoad(OsSecureContext *secureContext);
+extern VOID HalSecureContextSave(OsSecureContext *secureContext);
+
+extern VOID HalSecureContextInitAsm(VOID);
+extern VOID HalSecureContextLoadAsm(OsSecureContext *secureContext);
+extern VOID HalSecureContextSaveAsm(OsSecureContext *secureContext);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif

arch/arm/cortex-m55/iar/TZ/secure/los_secure_context_asm.S

@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+    PRESERVE8
+
+    EXPORT HalSecureContextInitAsm
+    EXPORT HalSecureContextLoadAsm
+    EXPORT HalSecureContextSaveAsm
+
+OS_SECURE_SCB_AIRCR     EQU     0xE000ED0C
+
+    SECTION     .text:CODE(2)
+    THUMB
+    REQUIRE8
+
+HalSecureContextInitAsm
+    LDR     R0, =OS_SECURE_SCB_AIRCR
+    LDR     R1, [R0]
+
+    MOV     R2, #0xFFFF
+    LSL     R2, R2, #16
+    BIC     R1, R1, R2
+    MOV     R2, #0x05FA
+    LSL     R2, R2, #16
+    ORR     R1, R1, R2
+
+    BIC     R1, R1, #0x4000
+    MOV     R2, #0x4000
+    ORR     R1, R1, R2
+    STR     R1, [R0]
+
+    MOV     R0, #0
+    MSR     PSPLIM, R0
+    MSR     PSP, R0
+    MOV     R0, #2
+    MSR     CONTROL, R0 
+    BX      LR
+
+HalSecureContextLoadAsm
+    MRS     R1, IPSR
+    CBZ     R1, __ThreadMode
+
+    LDMIA   R0!, {R1, R2}               /* R1 = g_secureContext->curStackPointer, R2 = g_secureContext->stackLimit. */
+    MSR     PSPLIM, R2                  /* Restore PSPLIM. */
+    MSR     PSP, R1                     /* Restore PSP. */
+    BX      LR
+
+HalSecureContextSaveAsm
+    MRS     R0, IPSR
+    CBZ     R0, __ThreadMode
+
+    MRS     R0, PSP
+    STR     R0, [R1]                    /* g_secureContext->curStackPointer = R0. */
+    MOV     R0, #0
+    MSR     PSPLIM, R0                  /* No PSPLIM for the current task. */
+    MSR     PSP, R0                     /* No secure stack for the current task. */
+
+__ThreadMode
+    BX      LR
+
+    END

arch/arm/cortex-m55/iar/TZ/secure/los_secure_heap.c

@@ -0,0 +1,230 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "los_secure_heap.h"
+#include "los_secure_macros.h"
+#include "los_config.h"
+#include "los_list.h"
+
+#pragma data_alignment = 0x4
+STATIC UINT8 g_secureHeap[LOSCFG_SECURE_HEAP_SIZE] = {0};
+STATIC LOS_DL_LIST g_secureHeapFreeList = {NULL, NULL};
+
+struct OsSecureHeapNode {
+    LOS_DL_LIST freeNode;
+    struct OsSecureHeapNode *preNode;
+    UINT32 size : 24;
+    UINT32 used : 8;
+};
+
+#define OS_SECURE_HEAP_NODE_HEAD_SIZE   sizeof(struct OsSecureHeapNode)
+#define OS_SECURE_HEAP_ALIGN_SIZE       sizeof(UINTPTR)
+
+#define OS_SECURE_HEAP_NODE_USED        1
+#define OS_SECURE_HEAP_NODE_FREE        0
+
+#define OS_SECURE_HEAP_FIRST_NODE     ((struct OsSecureHeapNode *)g_secureHeap)
+#define OS_SECURE_HEAP_NEXT_NODE(node) \
+    ((struct OsSecureHeapNode *)((UINT8 *)(node) + (node)->size))
+#define OS_SECURE_HEAP_END_NODE \
+    ((struct OsSecureHeapNode *)((UINT8 *)g_secureHeap + LOSCFG_SECURE_HEAP_SIZE - OS_SECURE_HEAP_NODE_HEAD_SIZE))
+
+STATIC INLINE VOID OsSecureHeapListInit(LOS_DL_LIST *head)
+{
+    head->pstPrev = head;
+    head->pstNext = head;
+}
+
+STATIC INLINE VOID OsSecureHeapListDelete(LOS_DL_LIST *node)
+{
+    node->pstNext->pstPrev = node->pstPrev;
+    node->pstPrev->pstNext = node->pstNext;
+    node->pstNext = NULL;
+    node->pstPrev = NULL;
+}
+
+STATIC INLINE VOID OsSecureHeapListAdd(LOS_DL_LIST *listNode, LOS_DL_LIST *node)
+{
+    node->pstNext = listNode->pstNext;
+    node->pstPrev = listNode;
+    listNode->pstNext->pstPrev = node;
+    listNode->pstNext = node;
+}
+
+STATIC struct OsSecureHeapNode *OsSecureHeapFindSuitableFreeBlock(UINT32 allocSize)
+{
+    LOS_DL_LIST *listNodeHead = &g_secureHeapFreeList;
+    struct OsSecureHeapNode *tmpNode = NULL;
+
+    LOS_DL_LIST_FOR_EACH_ENTRY(tmpNode, listNodeHead, struct OsSecureHeapNode, freeNode) {
+        if (tmpNode->size >= allocSize) {
+            return tmpNode;
+        }
+    }
+
+    return NULL;
+}
+
+STATIC INLINE VOID OsSecureHeapClearNode(struct OsSecureHeapNode *node)
+{
+    node->preNode = NULL;
+    node->size = 0;
+    node->used = 0;
+    node->freeNode.pstPrev = NULL;
+    node->freeNode.pstNext = NULL;
+}
+
+STATIC INLINE VOID OsSecureHeapMergeNode(struct OsSecureHeapNode *node)
+{
+    struct OsSecureHeapNode *nextNode = NULL;
+
+    node->preNode->size += node->size;
+    nextNode = (struct OsSecureHeapNode *)((UINTPTR)node + node->size);
+    nextNode->preNode = node->preNode;
+    OsSecureHeapClearNode(node);
+}
+
+STATIC INLINE VOID OsSecureHeapSplitNode(struct OsSecureHeapNode *allocNode, UINT32 allocSize)
+{
+    struct OsSecureHeapNode *newFreeNode = NULL;
+    struct OsSecureHeapNode *nextNode = NULL;
+
+    newFreeNode = (struct OsSecureHeapNode *)((UINT8 *)allocNode + allocSize);
+    newFreeNode->preNode = allocNode;
+    newFreeNode->size = allocNode->size - allocSize;
+    newFreeNode->used = OS_SECURE_HEAP_NODE_FREE;
+    allocNode->size = allocSize;
+    nextNode = OS_SECURE_HEAP_NEXT_NODE(newFreeNode);
+    nextNode->preNode = newFreeNode;
+    if (nextNode->used == OS_SECURE_HEAP_NODE_FREE) {
+        OsSecureHeapListDelete(&nextNode->freeNode);
+        OsSecureHeapMergeNode(nextNode);
+    }
+
+    OsSecureHeapListAdd(&g_secureHeapFreeList, &newFreeNode->freeNode);
+}
+
+STATIC INLINE VOID OsSecureHeapFreeNode(struct OsSecureHeapNode *node)
+{
+    struct OsSecureHeapNode *nextNode = NULL;
+
+    if ((node->preNode != NULL) && (node->preNode->used == OS_SECURE_HEAP_NODE_FREE)) {
+        struct OsSecureHeapNode *preNode = node->preNode;
+        OsSecureHeapMergeNode(node);
+        nextNode = OS_SECURE_HEAP_NEXT_NODE(preNode);
+        if (nextNode->used == OS_SECURE_HEAP_NODE_FREE) {
+            OsSecureHeapListDelete(&nextNode->freeNode);
+            OsSecureHeapMergeNode(nextNode);
+        }
+
+        OsSecureHeapListDelete(&preNode->freeNode);
+        preNode->used = OS_SECURE_HEAP_NODE_FREE;
+        OsSecureHeapListAdd(&g_secureHeapFreeList, &preNode->freeNode);
+    } else {
+        nextNode = OS_SECURE_HEAP_NEXT_NODE(node);
+        if (nextNode->used == OS_SECURE_HEAP_NODE_FREE) {
+            OsSecureHeapListDelete(&nextNode->freeNode);
+            OsSecureHeapMergeNode(nextNode);
+        }
+
+        node->used = OS_SECURE_HEAP_NODE_FREE;
+        OsSecureHeapListAdd(&g_secureHeapFreeList, &node->freeNode);
+    }
+}
+
+STATIC INLINE VOID *OsSecureHeapAllocNode(UINT32 size)
+{
+    struct OsSecureHeapNode *allocNode = NULL;
+    UINT32 allocSize;
+
+    allocSize = LOS_Align(size + OS_SECURE_HEAP_NODE_HEAD_SIZE, OS_SECURE_HEAP_ALIGN_SIZE);
+    allocNode = OsSecureHeapFindSuitableFreeBlock(allocSize);
+    if (allocNode == NULL) {
+        return NULL;
+    }
+    if ((allocSize + OS_SECURE_HEAP_NODE_HEAD_SIZE + OS_SECURE_HEAP_ALIGN_SIZE) <= allocNode->size) {
+        OsSecureHeapSplitNode(allocNode, allocSize);
+    }
+    OsSecureHeapListDelete(&allocNode->freeNode);
+    allocNode->used = OS_SECURE_HEAP_NODE_USED;
+
+    return (allocNode + 1);
+}
+
+STATIC INLINE VOID OsSecureHeapInit(VOID)
+{
+    struct OsSecureHeapNode *newNode = NULL;
+    struct OsSecureHeapNode *endNode = NULL;
+
+    newNode = OS_SECURE_HEAP_FIRST_NODE;
+    newNode->size = LOSCFG_SECURE_HEAP_SIZE - OS_SECURE_HEAP_NODE_HEAD_SIZE;
+    newNode->preNode = OS_SECURE_HEAP_END_NODE;
+    newNode->used = OS_SECURE_HEAP_NODE_FREE;
+
+    OsSecureHeapListInit(&g_secureHeapFreeList);
+    OsSecureHeapListAdd(&g_secureHeapFreeList, &newNode->freeNode);
+
+    endNode = OS_SECURE_HEAP_END_NODE;
+    endNode->preNode = newNode;
+    endNode->size = OS_SECURE_HEAP_NODE_HEAD_SIZE;
+    endNode->used = OS_SECURE_HEAP_NODE_USED;
+}
+
+OS_CMSE_NS_ENTRY VOID *HalSecureMalloc(UINT32 size)
+{
+    if (size == 0) {
+        return NULL;
+    }
+
+    if ((g_secureHeapFreeList.pstPrev == NULL) &&
+        (g_secureHeapFreeList.pstNext == NULL)) {
+        OsSecureHeapInit();
+    }
+
+    return OsSecureHeapAllocNode(size);
+}
+
+OS_CMSE_NS_ENTRY VOID HalSecureFree(VOID *ptr)
+{
+    struct OsSecureHeapNode *node = NULL;
+
+    if (ptr == NULL) {
+        return;
+    }
+
+    node = (struct OsSecureHeapNode *)((UINTPTR)ptr - OS_SECURE_HEAP_NODE_HEAD_SIZE);
+    if (node->used != OS_SECURE_HEAP_NODE_USED) {
+        return;
+    }
+
+    OsSecureHeapFreeNode(node);
+}
+

arch/arm/cortex-m55/iar/TZ/secure/los_secure_heap.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_SECURE_HEAP_H
+#define _LOS_SECURE_HEAP_H
+
+#include "los_config.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+VOID *HalSecureMalloc(UINT32 size);
+VOID HalSecureFree(VOID *ptr);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif
+

arch/arm/cortex-m55/iar/TZ/secure/los_secure_macros.h

@@ -0,0 +1,58 @@
+/*
+ * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ *    conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ *    of conditions and the following disclaimer in the documentation and/or other materials
+ *    provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors may be used
+ *    to endorse or promote products derived from this software without specific prior written
+ *    permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef _LOS_SECURE_MACROS_H
+#define _LOS_SECURE_MACROS_H
+
+#include "los_config.h"
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#define OS_CMSE_NS_ENTRY      __attribute__((cmse_nonsecure_entry))
+#define OS_CMSE_NS_CALL       __attribute__((cmse_nonsecure_call))
+#define OS_IPSR_READ(ipsr)    __asm volatile("MRS %0, IPSR" : "=r" (ipsr))
+
+#define OS_SVC_ALLOCATE_SECURE_CONTEXT  0
+#define OS_SVC_FREE_SECURE_CONTEXT      1
+#define OS_SVC_START_SCHEDULE           2
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif
+

arch/arm/cortex-m7/gcc/los_arch_atomic.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
 #define _LOS_ARCH_ATOMIC_H
 
 #include "los_compiler.h"
+#include "los_interrupt.h"
 
 #ifdef __cplusplus
 #if __cplusplus

arch/arm/cortex-m7/gcc/los_dispatch.S

@@ -137,7 +137,7 @@ ArchTaskSchedule:
     dsb
     isb
     bx      lr
-   .fnend
+    .fnend
 
     .type HalPendSV, %function
     .global HalPendSV
@@ -178,7 +178,7 @@ TaskContextSwitch:
     str     r0, [r5]
     ldr     r1, [r0]
 
- SignalContextRestore:
+SignalContextRestore:
 #if ((defined(__FPU_PRESENT) && (__FPU_PRESENT == 1U)) && \
      (defined(__FPU_USED) && (__FPU_USED == 1U)))
     vldmia   r1!, {d8-d15}

arch/arm/cortex-m7/gcc/los_exc.S

@@ -29,9 +29,9 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
- .syntax unified
- .arch armv7e-m
- .thumb
+.syntax unified
+.arch armv7e-m
+.thumb
 .fpu fpv5-d16
 .section .text
 
@@ -284,7 +284,7 @@ _ExcInMSP:
     PUSH {R4-R12}                       // store message-->exc: {R4-R12}
     VPUSH {D8-D15}
     B     _handleEntry
-  .fnend
+    .fnend
 
     .type _NoFloatInMsp, %function
     .global _NoFloatInMsp
@@ -298,7 +298,7 @@ _NoFloatInMsp:
     PUSH {R4-R12}                       // store message-->exc: {R4-R12}
     ORR   R0, R0, #FLAG_NO_FLOAT
     B     _handleEntry
-  .fnend
+    .fnend
 
     .type _hwiActiveCheckNext, %function
     .global _hwiActiveCheckNext
@@ -347,7 +347,7 @@ _hwiActiveCheckNext:
     VSTMDB  R2!, {D8-D15}
     STMFD R2!, {R4-R11}
     B     _handleEntry
-  .fnend
+    .fnend
 
     .type _NoFloatInPsp, %function
     .global _NoFloatInPsp
@@ -367,7 +367,7 @@ _NoFloatInPsp:
     LDMFD R3, {R4-R11}                  // R4-R11 store PSP reg(auto push when exc in task)
     STMFD R2!, {R4-R11}
     ORR   R0, R0, #FLAG_NO_FLOAT
-  .fnend
+    .fnend
 
     .type _handleEntry, %function
     .global _handleEntry
@@ -380,5 +380,5 @@ _handleEntry:
     B  HalExcHandleEntry
 
     NOP
-  .fnend
+    .fnend
 

arch/arm/cortex-m7/gcc/los_interrupt.c

@@ -39,6 +39,9 @@
 #include "los_sched.h"
 #include "los_memory.h"
 #include "los_membox.h"
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+#include "los_cpup.h"
+#endif
 
 UINT32 g_intCount = 0;
 
@@ -48,6 +51,30 @@ UINT32 g_intCount = 0;
  */
 STATIC HWI_PROC_FUNC __attribute__((aligned(LOSCFG_ARCH_HWI_VECTOR_ALIGN))) g_hwiForm[OS_VECTOR_CNT] = {0};
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
+STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
+
+UINT32 OsGetHwiFormCnt(UINT32 index)
+{
+    return g_hwiFormCnt[index];
+}
+
+CHAR *OsGetHwiFormName(UINT32 index)
+{
+    return g_hwiFormName[index];
+}
+
+BOOL OsGetHwiCreated(UINT32 index)
+{
+    if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
 typedef struct {
@@ -226,6 +253,9 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     hwiIndex = HwiNumGet();
 
     OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqStart(hwiIndex);
+#endif
 
     HalPreInterruptHandler(hwiIndex);
 
@@ -239,8 +269,16 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     }
 #endif
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    ++g_hwiFormCnt[hwiIndex];
+#endif
+
     HalAftInterruptHandler(hwiIndex);
 
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqEnd(hwiIndex);
+#endif
+
     OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
 
     intSave = LOS_IntLock();
@@ -295,6 +333,14 @@ LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
     (VOID)irqParam;
     OsSetVector(hwiNum, hwiHandler);
 #endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    if ((irqParam != NULL) && (irqParam->pName != NULL)) {
+        g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
+    }
+    g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
+#endif
+
     HwiUnmask((IRQn_Type)hwiNum);
     HwiSetPriority((IRQn_Type)hwiNum, hwiPrio);
 

arch/arm/cortex-m7/iar/los_arch_atomic.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
 #define _LOS_ARCH_ATOMIC_H
 
 #include "los_compiler.h"
+#include "los_interrupt.h"
 
 #ifdef __cplusplus
 #if __cplusplus

arch/arm/cortex-m7/iar/los_interrupt.c

@@ -40,6 +40,9 @@
 #include "los_sched.h"
 #include "los_memory.h"
 #include "los_membox.h"
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+#include "los_cpup.h"
+#endif
 
 UINT32 g_intCount = 0;
 
@@ -51,6 +54,30 @@ UINT32 g_intCount = 0;
  */
 STATIC HWI_PROC_FUNC g_hwiForm[OS_VECTOR_CNT] = {0};
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+STATIC UINT32 g_hwiFormCnt[OS_HWI_MAX_NUM] = {0};
+STATIC CHAR *g_hwiFormName[OS_HWI_MAX_NUM] = {0};
+
+UINT32 OsGetHwiFormCnt(UINT32 index)
+{
+    return g_hwiFormCnt[index];
+}
+
+CHAR *OsGetHwiFormName(UINT32 index)
+{
+    return g_hwiFormName[index];
+}
+
+BOOL OsGetHwiCreated(UINT32 index)
+{
+    if (g_hwiForm[index] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
+        return TRUE;
+    }
+
+    return FALSE;
+}
+#endif
+
 #if (LOSCFG_PLATFORM_HWI_WITH_ARG == 1)
 
 typedef struct {
@@ -235,6 +262,9 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     hwiIndex = HwiNumGet();
 
     OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqStart(hwiIndex);
+#endif
 
     HalPreInterruptHandler(hwiIndex);
 
@@ -248,8 +278,16 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
     }
 #endif
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    ++g_hwiFormCnt[hwiIndex];
+#endif
+
     HalAftInterruptHandler(hwiIndex);
 
+#if (LOSCFG_CPUP_INCLUDE_IRQ == 1)
+    OsCpupIrqEnd(hwiIndex);
+#endif
+
     OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
 
     intSave = LOS_IntLock();
@@ -304,6 +342,14 @@ LITE_OS_SEC_TEXT_INIT UINT32 ArchHwiCreate(HWI_HANDLE_T hwiNum,
     (VOID)irqParam;
     OsSetVector(hwiNum, hwiHandler);
 #endif
+
+#if (LOSCFG_DEBUG_TOOLS == 1)
+    if ((irqParam != NULL) && (irqParam->pName != NULL)) {
+        g_hwiFormName[hwiNum + OS_SYS_VECTOR_CNT] = (CHAR *)irqParam->pName;
+    }
+    g_hwiFormCnt[hwiNum + OS_SYS_VECTOR_CNT] = 0;
+#endif
+
     HwiUnmask((IRQn_Type)hwiNum);
     HwiSetPriority((IRQn_Type)hwiNum, hwiPrio);
 

arch/csky/v2/gcc/los_arch_atomic.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
 #define _LOS_ARCH_ATOMIC_H
 
 #include "los_compiler.h"
+#include "los_interrupt.h"
 
 #ifdef __cplusplus
 #if __cplusplus

arch/csky/v2/gcc/los_arch_context.h

@@ -59,13 +59,33 @@ typedef struct TagTskContext {
     UINT32 R12;
     UINT32 R13;
     UINT32 R15;
+#ifdef CPU_CK804
+    UINT32 R16;
+    UINT32 R17;
+    UINT32 R18;
+    UINT32 R19;
+    UINT32 R20;
+    UINT32 R21;
+    UINT32 R22;
+    UINT32 R23;
+    UINT32 R24;
+    UINT32 R25;
+    UINT32 R26;
+    UINT32 R27;
+    UINT32 R28;
+    UINT32 R29;
+    UINT32 R30;
+    UINT32 R31;
+#endif
     UINT32 EPSR;
     UINT32 EPC;
 } TaskContext;
 
 VOID HalStartToRun(VOID);
 VOID HalTaskContextSwitch(VOID);
+#ifndef CPU_CK804
 VOID HalIrqEndCheckNeedSched(VOID);
+#endif
 
 #ifdef __cplusplus
 #if __cplusplus

arch/csky/v2/gcc/los_arch_interrupt.h

@@ -82,7 +82,7 @@ typedef VOID (**HWI_VECTOR_FUNC)(VOID);
  * @ingroup los_arch_interrupt
  * Count of interrupts.
  */
-extern UINT32 g_intCount;
+extern volatile UINT32 g_intCount;
 
 /* *
  * @ingroup los_arch_interrupt

arch/csky/v2/gcc/los_context.c

@@ -38,7 +38,9 @@
 #include "los_interrupt.h"
 #include "los_debug.h"
 
+#ifndef CPU_CK804
 STATIC UINT32 g_sysNeedSched = FALSE;
+#endif
 
 /* ****************************************************************************
  Function    : ArchInit
@@ -93,8 +95,29 @@ LITE_OS_SEC_TEXT_INIT VOID *ArchTskStackInit(UINT32 taskID, UINT32 stackSize, VO
     context->R11 = 0x11111111L;
     context->R12 = 0x12121212L;
     context->R13 = 0x13131313L;
+#ifdef CPU_CK804
+    context->R15 = (UINT32)ArchSysExit;
+    context->R16 = 0x16161616L;
+    context->R17 = 0x17171717L;
+    context->R18 = 0x18181818L;
+    context->R19 = 0x19191919L;
+    context->R20 = 0x20202020L;
+    context->R21 = 0x21212121L;
+    context->R22 = 0x22222222L;
+    context->R23 = 0x23232323L;
+    context->R24 = 0x24242424L;
+    context->R25 = 0x25252525L;
+    context->R26 = 0x26262626L;
+    context->R27 = 0x27272727L;
+    context->R28 = 0x28282828L;
+    context->R29 = 0x29292929L;
+    context->R30 = 0x30303030L;
+    context->R31 = 0x31313131L;
+    context->EPSR = 0x80000340L;
+#else
     context->R15 = (UINT32)ArchSysExit;
     context->EPSR = 0xe0000144L;
+#endif
     context->EPC = (UINT32)OsTaskEntry;
     return (VOID *)context;
 }
@@ -107,6 +130,7 @@ LITE_OS_SEC_TEXT_INIT UINT32 ArchStartSchedule(VOID)
     return LOS_OK; /* never return */
 }
 
+#ifndef CPU_CK804
 VOID HalIrqEndCheckNeedSched(VOID)
 {
     if (g_sysNeedSched && g_taskScheduled && LOS_CHECK_SCHEDULE) {
@@ -132,3 +156,10 @@ VOID ArchTaskSchedule(VOID)
     LOS_IntRestore(intSave);
     return;
 }
+#else
+VOID ArchTaskSchedule(VOID)
+{
+    HalTaskContextSwitch();
+}
+#endif
+

arch/csky/v2/gcc/los_dispatch.S

@@ -32,6 +32,89 @@
 #define OS_TASK_STATUS_RUNNING    0x0010
 #define VIC_TSPDR                 0XE000EC08
 
+#ifdef CPU_CK804
+.section .text
+.align  2
+.type HalStartToRun, %function
+.global HalStartToRun
+HalStartToRun:
+    lrw    r1, g_losTask
+    lrw    r2, g_losTask + 4
+
+    ldw    r0, (r2)
+
+    st.w   r0, (r1)
+    st.w   r0, (r2)
+
+    ldw    sp, (r0)
+
+    ldw    r0, (sp, 128)
+    mtcr   r0, epc
+    ldw    r0, (sp, 124)
+    mtcr   r0, epsr
+    ldw    r15, (sp, 56)
+    ldm    r0-r13, (sp)
+    addi     sp, 60
+    ldm      r16-r31, (sp)
+    addi     sp, 72
+
+    rte
+
+.align  2
+.type HalTaskContextSwitch, %function
+.global HalTaskContextSwitch
+HalTaskContextSwitch:
+    lrw    r0, VIC_TSPDR
+    bgeni  r1, 0
+    stw    r1, (r0)
+    nop
+    nop
+    nop
+    rts
+    
+.align  2
+.type tspend_handler, %function
+.global tspend_handler
+tspend_handler:
+
+    subi   sp, 132
+    stm    r0-r13, (sp)
+    stw    r15, (sp, 56)
+    addi     r0, sp, 60
+    stm      r16-r31, (r0)
+    mfcr     r1, epsr
+    stw    r1, (sp, 124)
+    mfcr     r1, epc
+    stw    r1, (sp, 128)
+
+    jbsr    OsSchedTaskSwitch
+    bez     r0, ret_con
+    
+    lrw    r2, g_losTask
+    ldw    r0, (r2)
+    stw    sp, (r0)
+
+    lrw    r3, g_losTask + 4
+    ldw    r0, (r3)
+    stw    r0, (r2)
+
+    ldw    sp, (r0)
+    
+ ret_con:   
+    ldw    r0, (sp, 128)
+    mtcr   r0, epc
+    ldw    r0, (sp, 124)
+    mtcr   r0, epsr
+    ldw    r15, (sp, 56)
+    ldm    r0-r13, (sp)
+    addi     sp, 60
+    ldm      r16-r31, (sp)
+
+    addi   sp, 72
+
+    rte
+    
+#else
 .section .text
 .align  2
 .type HalStartToRun, %function
@@ -87,3 +170,4 @@ HalTaskContextSwitch:
 
     rte
 
+#endif

arch/csky/v2/gcc/los_exc.S

@@ -32,6 +32,57 @@
 .import HalExcHandleEntry
 .extern g_trapStackBase
 
+#ifdef CPU_CK804
+.section .text
+.align  2
+.global HandleEntry
+HandleEntry:
+    mov    r10, sp
+    lrw    r14, g_trapStackBase
+
+    stm    r0-r15, (sp)
+    stw    r10, (sp, 56)
+    addi     r0, sp, 64
+    stm      r16-r31, (r0)
+    mfcr   r0, epsr
+    stw    r0, (sp, 128)
+    mfcr   r0, epc
+    stw    r0, (sp, 132)
+    mov    r0, sp
+
+    mfcr   r1, epc
+
+    mov    sp, r10
+    lrw    r2, HalExcHandleEntry
+    jmp    r2
+
+.section .text
+.align  2
+.global IrqEntry
+IrqEntry:
+    psrset  ee
+    subi   sp, 136
+    stm    r0-r15, (sp)
+    addi     r0, sp, 64
+    stm      r16-r31, (r0)
+    mfcr   r0, epsr
+    stw    r0, (sp, 128)
+    mfcr   r0, epc
+    stw    r0, (sp, 132)
+
+    jbsr   HalInterrupt
+
+    ldw    r0, (sp, 132)
+    mtcr   r0, epc
+    ldw    r0, (sp, 128)
+    bseti  r0, r0, 6
+    mtcr   r0, epsr
+    ldm    r0-r15, (sp)
+    addi     sp, 64
+    ldm      r16-r31, (sp)
+    addi   sp, 72
+    rte
+#else
 .section .text
 .align  2
 .global HandleEntry
@@ -75,3 +126,4 @@ IrqEntry:
     ldm    r0-r15, (sp)
     addi   sp, 72
     rte
+#endif

arch/csky/v2/gcc/los_interrupt.c

@@ -52,13 +52,12 @@
 #define MASK_8_BITS      0xFF
 #define MASK_32_BITS     0xFFFFFFFF
 #define BYTES_OF_128_INT 4
-#define TIM_INT_NUM      1
 
 #define OS_USER_HWI_MIN                 0
 #define OS_USER_HWI_MAX                 (LOSCFG_PLATFORM_HWI_LIMIT - 1)
 #define HWI_ALIGNSIZE                   0x400
 
-UINT32 g_intCount = 0;
+UINT32 volatile g_intCount = 0;
 CHAR g_trapStackBase[OS_TRAP_STACK_SIZE];
 
 VIC_TYPE *VIC_REG = (VIC_TYPE *)VIC_REG_BASE;
@@ -334,7 +333,9 @@ LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
 
     intSave = LOS_IntLock();
     g_intCount--;
+#ifndef CPU_CK804
     HalIrqEndCheckNeedSched();
+#endif
     LOS_IntRestore(intSave);
 }
 
@@ -586,6 +587,10 @@ WEAK VOID __stack_chk_fail(VOID)
               __builtin_return_address(0));
 }
 
+WEAK void HalHwiHandleReInit(UINT32 hwiFormAddr)
+{
+}
+
 /* ****************************************************************************
  Function    : HalHwiInit
  Description : initialization of the hardware interrupt
@@ -604,6 +609,7 @@ LITE_OS_SEC_TEXT_INIT VOID HalHwiInit(VOID)
     for (i = OS_SYS_VECTOR_CNT; i < (LOSCFG_PLATFORM_HWI_LIMIT + OS_SYS_VECTOR_CNT); i++) {
         g_hwiForm[i] = (HWI_PROC_FUNC)IrqEntry;
     }
+    HalHwiHandleReInit((UINT32)&g_hwiForm);
 
     HalSetVbr((UINT32)&g_hwiForm);
     for (int i = 0; i < BYTES_OF_128_INT; i++) {

arch/csky/v2/gcc/los_timer.c

@@ -50,7 +50,11 @@ typedef struct {
 #define CORETIM_SOURCE       (1UL << 2)
 #define CORETIM_MODE         (1UL << 16)
 
+#ifdef CPU_CK804
+#define TIM_INT_NUM          25
+#else
 #define TIM_INT_NUM          1
+#endif
 
 STATIC UINT32 SysTickStart(HWI_PROC_FUNC handler);
 STATIC UINT64 SysTickReload(UINT64 nextResponseTime);

arch/include/los_arch.h

@@ -41,6 +41,52 @@ extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
+#if defined(__ICCARM__) || defined(__CC_ARM)
+STATIC INLINE UINTPTR ArchSpGet(VOID)
+{
+    UINTPTR sp;
+    __asm("mov %0, sp" : "=r" (sp));
+    return sp;
+}
+
+STATIC INLINE UINTPTR ArchPspGet(VOID)
+{
+    UINTPTR psp;
+    __asm("mrs %0, psp" : "=r" (psp));
+    return psp;
+}
+
+STATIC INLINE UINTPTR ArchMspGet(VOID)
+{
+    UINTPTR msp;
+    __asm("mrs %0, msp" : "=r" (msp));
+    return msp;
+}
+#elif defined(__CLANG_ARM) || defined(__GNUC__)
+STATIC INLINE UINTPTR ArchSpGet(VOID)
+{
+    UINTPTR sp;
+    __asm volatile("mov %0, sp" : "=r" (sp));
+    return sp;
+}
+
+STATIC INLINE UINTPTR ArchPspGet(VOID)
+{
+    UINTPTR psp;
+    __asm volatile("mrs %0, psp" : "=r" (psp));
+    return psp;
+}
+
+STATIC INLINE UINTPTR ArchMspGet(VOID)
+{
+    UINTPTR msp;
+    __asm volatile("mrs %0, msp" : "=r" (msp));
+    return msp;
+}
+#else
+/* Other platforms to be improved  */
+#endif
+
 VOID ArchInit(VOID);
 
 #ifdef __cplusplus

arch/include/los_interrupt.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -107,13 +107,16 @@ UINT32 ArchIntUnLock(VOID);
  *
  * @attention
  * <ul>
- * <li>The hardware interrupt module is usable only when the configuration item for hardware interrupt tailoring is enabled.</li>
- * <li>Hardware interrupt number value range: [OS_USER_HWI_MIN,OS_USER_HWI_MAX]. The value range applicable for a Cortex-A7 platform is [32,95].</li>
+ * <li>The hardware interrupt module is usable only when the configuration item for hardware
+ * interrupt tailoring is enabled.</li>
+ * <li>Hardware interrupt number value range: [OS_USER_HWI_MIN,OS_USER_HWI_MAX]. The value range
+ * applicable for a Cortex-A7 platform is [32,95].</li>
  * <li>OS_HWI_MAX_NUM specifies the maximum number of interrupts that can be created.</li>
  * <li>Before executing an interrupt on a platform, refer to the chip manual of the platform.</li>
  * </ul>
  *
- * @param  hwiNum   [IN] Type#HWI_HANDLE_T: hardware interrupt number. The value range applicable for a Cortex-A7 platform is [32,95].
+ * @param  hwiNum   [IN] Type#HWI_HANDLE_T: hardware interrupt number. The value range applicable
+ *                       for a Cortex-A7 platform is [32,95].
  * @param  irqParam [IN] Type #HwiIrqParam *. ID of hardware interrupt which will base on
  *                                                when delete the hardware interrupt.
  * @retval #OS_ERRNO_HWI_NUM_INVALID              0x02000900: Invalid interrupt number.
@@ -133,13 +136,16 @@ UINT32 ArchHwiDelete(HWI_HANDLE_T hwiNum, HwiIrqParam *irqParam);
  *
  * @attention
  * <ul>
- * <li>The hardware interrupt module is usable only when the configuration item for hardware interrupt tailoring is enabled.</li>
- * <li>Hardware interrupt number value range: [OS_USER_HWI_MIN,OS_USER_HWI_MAX]. The value range applicable for a Cortex-A7 platform is [32,95].</li>
+ * <li>The hardware interrupt module is usable only when the configuration item for hardware
+ * interrupt tailoring is enabled.</li>
+ * <li>Hardware interrupt number value range: [OS_USER_HWI_MIN,OS_USER_HWI_MAX]. The value range
+ * applicable for a Cortex-A7 platform is [32,95].</li>
  * <li>OS_HWI_MAX_NUM specifies the maximum number of interrupts that can be created.</li>
  * <li>Before executing an interrupt on a platform, refer to the chip manual of the platform.</li>
  * </ul>
  *
- * @param  hwiNum   [IN] Type#HWI_HANDLE_T: hardware interrupt number. The value range applicable for a Cortex-A7 platform is [32,95].
+ * @param  hwiNum   [IN] Type#HWI_HANDLE_T: hardware interrupt number. The value range applicable for a
+ *                       Cortex-A7 platform is [32,95].
  * @param  hwiPrio  [IN] Type#HWI_PRIOR_T: hardware interrupt priority. Ignore this parameter temporarily.
  * @param  mode     [IN] Type#HWI_MODE_T: hardware interrupt mode. Ignore this parameter temporarily.
  * @param  handler  [IN] Type#HWI_PROC_FUNC: interrupt handler used when a hardware interrupt is triggered.
@@ -149,7 +155,8 @@ UINT32 ArchHwiDelete(HWI_HANDLE_T hwiNum, HwiIrqParam *irqParam);
  * @retval #OS_ERRNO_HWI_PROC_FUNC_NULL               0x02000901: Null hardware interrupt handling function.
  * @retval #OS_ERRNO_HWI_NUM_INVALID                  0x02000900: Invalid interrupt number.
  * @retval #OS_ERRNO_HWI_NO_MEMORY                    0x02000903: Insufficient memory for hardware interrupt creation.
- * @retval #OS_ERRNO_HWI_ALREADY_CREATED              0x02000904: The interrupt handler being created has already been created.
+ * @retval #OS_ERRNO_HWI_ALREADY_CREATED              0x02000904: The interrupt handler being created has
+ *                                                                already been created.
  * @retval #LOS_OK                                    0         : The interrupt is successfully created.
  * @par Dependency:
  * <ul><li>los_interrupt.h: the header file that contains the API declaration.</li></ul>
@@ -214,6 +221,12 @@ STATIC INLINE HwiControllerOps *ArchIntOpsGet(VOID)
     return &g_archHwiOps;
 }
 
+#if (LOSCFG_DEBUG_TOOLS == 1)
+extern UINT32 OsGetHwiFormCnt(UINT32 index);
+extern CHAR *OsGetHwiFormName(UINT32 index);
+extern BOOL OsGetHwiCreated(UINT32 index);
+#endif
+
 #ifdef __cplusplus
 #if __cplusplus
 }

arch/risc-v/nuclei/gcc/los_arch_atomic.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
- * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
+ * Copyright (c) 2020-2022 Huawei Device Co., Ltd. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without modification,
  * are permitted provided that the following conditions are met:
@@ -33,6 +33,7 @@
 #define _LOS_ARCH_ATOMIC_H
 
 #include "los_compiler.h"
+#include "los_interrupt.h"
 
 #ifdef __cplusplus
 #if __cplusplus

arch/risc-v/nuclei/gcc/los_arch_interrupt.h

@@ -51,7 +51,7 @@ extern "C" {
 
 /**
  * @ingroup los_hwi
- * Count of Nuclei interrupt vector maxium, which is configurable.
+ * Count of Nuclei interrupt vector maximum, which is configurable.
  */
 #define OS_RISCV_CUSTOM_IRQ_VECTOR_CNT  SOC_INT_MAX
 

arch/risc-v/nuclei/gcc/los_interrupt.c

@@ -193,15 +193,15 @@ VOID HalDisplayTaskInfo(VOID)
 
 /* ****************************************************************************
  Function    : HalUnalignedAccessFix
- Description : Unaligned acess fixes are not supported by default
+ Description : Unaligned access fixes are not supported by default
  Input       : None
  Output      : None
  Return      : None
  **************************************************************************** */
 WEAK UINT32 HalUnalignedAccessFix(UINTPTR mcause, UINTPTR mepc, UINTPTR mtval, VOID *sp)
 {
-    /* Unaligned acess fixes are not supported by default */
-    PRINTK("Unaligned acess fixes are not support by default!\r\n");
+    /* Unaligned access fixes are not supported by default */
+    PRINTK("Unaligned access fixes are not support by default!\r\n");
     return LOS_NOK;
 }
 

arch/risc-v/nuclei/gcc/nmsis/Core/Include/core_feature_dsp.h

@@ -62,9 +62,9 @@
  *       - ZEm(data): Zero-Extend data to m-bit.
  *     - ABS(x): Calculate the absolute value of `x`.
  *     - CONCAT(x,y): Concatinate `x` and `y` to form a value.
- *     - u<: Unsinged less than comparison.
- *     - u<=: Unsinged less than & equal comparison.
- *     - u>: Unsinged greater than comparison.
+ *     - u<: Unsigned less than comparison.
+ *     - u<=: Unsigned less than & equal comparison.
+ *     - u>: Unsigned greater than comparison.
  *     - s*: Signed multiplication.
  *     - u*: Unsigned multiplication.
  *
@@ -2641,7 +2641,7 @@ __STATIC_FORCEINLINE long __RV_KHMTT(unsigned int a, unsigned int b)
 /* ===== Inline Function Start for 3.38.1. KMABB ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief KMABB (SIMD Saturating Signed Multiply Bottom Halfs & Add)
+ * \brief KMABB (SIMD Saturating Signed Multiply Bottom Halves & Add)
  * \details
  * **Type**: SIMD
  *
@@ -2704,7 +2704,7 @@ __STATIC_FORCEINLINE long __RV_KMABB(long t, unsigned long a, unsigned long b)
 /* ===== Inline Function Start for 3.38.2. KMABT ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief KMABT (SIMD Saturating Signed Multiply Bottom & Top Halfs & Add)
+ * \brief KMABT (SIMD Saturating Signed Multiply Bottom & Top Halves & Add)
  * \details
  * **Type**: SIMD
  *
@@ -2767,7 +2767,7 @@ __STATIC_FORCEINLINE long __RV_KMABT(long t, unsigned long a, unsigned long b)
 /* ===== Inline Function Start for 3.38.3. KMATT ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief KMATT (SIMD Saturating Signed Multiply Top Halfs & Add)
+ * \brief KMATT (SIMD Saturating Signed Multiply Top Halves & Add)
  * \details
  * **Type**: SIMD
  *
@@ -2830,7 +2830,7 @@ __STATIC_FORCEINLINE long __RV_KMATT(long t, unsigned long a, unsigned long b)
 /* ===== Inline Function Start for 3.39.1. KMADA ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief KMADA (SIMD Saturating Signed Multiply Two Halfs and Two Adds)
+ * \brief KMADA (SIMD Saturating Signed Multiply Two Halves and Two Adds)
  * \details
  * **Type**: SIMD
  *
@@ -2894,7 +2894,7 @@ __STATIC_FORCEINLINE long __RV_KMADA(long t, unsigned long a, unsigned long b)
 /* ===== Inline Function Start for 3.39.2. KMAXDA ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief KMAXDA (SIMD Saturating Signed Crossed Multiply Two Halfs and Two Adds)
+ * \brief KMAXDA (SIMD Saturating Signed Crossed Multiply Two Halves and Two Adds)
  * \details
  * **Type**: SIMD
  *
@@ -2958,7 +2958,7 @@ __STATIC_FORCEINLINE long __RV_KMAXDA(long t, unsigned long a, unsigned long b)
 /* ===== Inline Function Start for 3.40.1. KMADS ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief KMADS (SIMD Saturating Signed Multiply Two Halfs & Subtract & Add)
+ * \brief KMADS (SIMD Saturating Signed Multiply Two Halves & Subtract & Add)
  * \details
  * **Type**: SIMD
  *
@@ -3030,7 +3030,7 @@ __STATIC_FORCEINLINE long __RV_KMADS(long t, unsigned long a, unsigned long b)
 /* ===== Inline Function Start for 3.40.2. KMADRS ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief KMADRS (SIMD Saturating Signed Multiply Two Halfs & Reverse Subtract & Add)
+ * \brief KMADRS (SIMD Saturating Signed Multiply Two Halves & Reverse Subtract & Add)
  * \details
  * **Type**: SIMD
  *
@@ -3102,7 +3102,7 @@ __STATIC_FORCEINLINE long __RV_KMADRS(long t, unsigned long a, unsigned long b)
 /* ===== Inline Function Start for 3.40.3. KMAXDS ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief KMAXDS (SIMD Saturating Signed Crossed Multiply Two Halfs & Subtract & Add)
+ * \brief KMAXDS (SIMD Saturating Signed Crossed Multiply Two Halves & Subtract & Add)
  * \details
  * **Type**: SIMD
  *
@@ -3242,7 +3242,7 @@ __STATIC_FORCEINLINE long long __RV_KMAR64(long long t, long a, long b)
 /* ===== Inline Function Start for 3.42.1. KMDA ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief KMDA (SIMD Signed Multiply Two Halfs and Add)
+ * \brief KMDA (SIMD Signed Multiply Two Halves and Add)
  * \details
  * **Type**: SIMD
  *
@@ -3293,7 +3293,7 @@ __STATIC_FORCEINLINE long __RV_KMDA(unsigned long a, unsigned long b)
 /* ===== Inline Function Start for 3.42.2. KMXDA ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief KMXDA (SIMD Signed Crossed Multiply Two Halfs and Add)
+ * \brief KMXDA (SIMD Signed Crossed Multiply Two Halves and Add)
  * \details
  * **Type**: SIMD
  *
@@ -4330,7 +4330,7 @@ __STATIC_FORCEINLINE long __RV_KMMWT2_U(long a, unsigned long b)
 /* ===== Inline Function Start for 3.51.1. KMSDA ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief KMSDA (SIMD Saturating Signed Multiply Two Halfs & Add & Subtract)
+ * \brief KMSDA (SIMD Saturating Signed Multiply Two Halves & Add & Subtract)
  * \details
  * **Type**: SIMD
  *
@@ -4392,7 +4392,7 @@ __STATIC_FORCEINLINE long __RV_KMSDA(long t, unsigned long a, unsigned long b)
 /* ===== Inline Function Start for 3.51.2. KMSXDA ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief KMSXDA (SIMD Saturating Signed Crossed Multiply Two Halfs & Add & Subtract)
+ * \brief KMSXDA (SIMD Saturating Signed Crossed Multiply Two Halves & Add & Subtract)
  * \details
  * **Type**: SIMD
  *
@@ -5558,7 +5558,7 @@ __STATIC_FORCEINLINE long __RV_KSUBH(int a, int b)
  * **Description**:\n
  * The signed lower 32-bit content of Rs2 is subtracted from the signed lower 32-bit
  * content of Rs1. And the result is saturated to the 32-bit signed integer range of [-2^31, 2^31-1] and then
- * sign-extened and written to Rd. If saturation happens, this instruction sets the OV flag.
+ * sign-extended and written to Rd. If saturation happens, this instruction sets the OV flag.
  *
  * **Operations**:\n
  * ~~~
@@ -7337,7 +7337,7 @@ __STATIC_FORCEINLINE unsigned long __RV_SLL16(unsigned long a, unsigned int b)
 /* ===== Inline Function Start for 3.104. SMAL ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_64B_ADDSUB
- * \brief SMAL (Signed Multiply Halfs & Add 64-bit)
+ * \brief SMAL (Signed Multiply Halves & Add 64-bit)
  * \details
  * **Type**: Partial-SIMD
  *
@@ -7397,7 +7397,7 @@ __STATIC_FORCEINLINE long long __RV_SMAL(long long a, unsigned long b)
 /* ===== Inline Function Start for 3.105.1. SMALBB ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_64B_ADDSUB
- * \brief SMALBB (Signed Multiply Bottom Halfs & Add 64-bit)
+ * \brief SMALBB (Signed Multiply Bottom Halves & Add 64-bit)
  * \details
  * **Type**: DSP (64-bit Profile)
  *
@@ -7561,7 +7561,7 @@ __STATIC_FORCEINLINE long long __RV_SMALBT(long long t, unsigned long a, unsigne
 /* ===== Inline Function Start for 3.105.3. SMALTT ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_64B_ADDSUB
- * \brief SMALTT (Signed Multiply Top Halfs & Add 64-bit)
+ * \brief SMALTT (Signed Multiply Top Halves & Add 64-bit)
  * \details
  * **Type**: DSP (64-bit Profile)
  *
@@ -7643,7 +7643,7 @@ __STATIC_FORCEINLINE long long __RV_SMALTT(long long t, unsigned long a, unsigne
 /* ===== Inline Function Start for 3.106.1. SMALDA ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_64B_ADDSUB
- * \brief SMALDA (Signed Multiply Two Halfs and Two Adds 64-bit)
+ * \brief SMALDA (Signed Multiply Two Halves and Two Adds 64-bit)
  * \details
  * **Type**: DSP (64-bit Profile)
  *
@@ -7727,7 +7727,7 @@ __STATIC_FORCEINLINE long long __RV_SMALDA(long long t, unsigned long a, unsigne
 /* ===== Inline Function Start for 3.106.2. SMALXDA ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_64B_ADDSUB
- * \brief SMALXDA (Signed Crossed Multiply Two Halfs and Two Adds 64-bit)
+ * \brief SMALXDA (Signed Crossed Multiply Two Halves and Two Adds 64-bit)
  * \details
  * **Type**: DSP (64-bit Profile)
  *
@@ -7811,7 +7811,7 @@ __STATIC_FORCEINLINE long long __RV_SMALXDA(long long t, unsigned long a, unsign
 /* ===== Inline Function Start for 3.107.1. SMALDS ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_64B_ADDSUB
- * \brief SMALDS (Signed Multiply Two Halfs & Subtract & Add 64-bit)
+ * \brief SMALDS (Signed Multiply Two Halves & Subtract & Add 64-bit)
  * \details
  * **Type**: DSP (64-bit Profile)
  *
@@ -7902,7 +7902,7 @@ __STATIC_FORCEINLINE long long __RV_SMALDS(long long t, unsigned long a, unsigne
 /* ===== Inline Function Start for 3.107.2. SMALDRS ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_64B_ADDSUB
- * \brief SMALDRS (Signed Multiply Two Halfs & Reverse Subtract & Add 64- bit)
+ * \brief SMALDRS (Signed Multiply Two Halves & Reverse Subtract & Add 64- bit)
  * \details
  * **Type**: DSP (64-bit Profile)
  *
@@ -7993,7 +7993,7 @@ __STATIC_FORCEINLINE long long __RV_SMALDRS(long long t, unsigned long a, unsign
 /* ===== Inline Function Start for 3.107.3. SMALXDS ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_64B_ADDSUB
- * \brief SMALXDS (Signed Crossed Multiply Two Halfs & Subtract & Add 64- bit)
+ * \brief SMALXDS (Signed Crossed Multiply Two Halves & Subtract & Add 64- bit)
  * \details
  * **Type**: DSP (64-bit Profile)
  *
@@ -8459,7 +8459,7 @@ __STATIC_FORCEINLINE long __RV_SMTT16(unsigned long a, unsigned long b)
 /* ===== Inline Function Start for 3.114.1. SMDS ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief SMDS (SIMD Signed Multiply Two Halfs and Subtract)
+ * \brief SMDS (SIMD Signed Multiply Two Halves and Subtract)
  * \details
  * **Type**: SIMD
  *
@@ -8518,7 +8518,7 @@ __STATIC_FORCEINLINE long __RV_SMDS(unsigned long a, unsigned long b)
 /* ===== Inline Function Start for 3.114.2. SMDRS ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief SMDRS (SIMD Signed Multiply Two Halfs and Reverse Subtract)
+ * \brief SMDRS (SIMD Signed Multiply Two Halves and Reverse Subtract)
  * \details
  * **Type**: SIMD
  *
@@ -8577,7 +8577,7 @@ __STATIC_FORCEINLINE long __RV_SMDRS(unsigned long a, unsigned long b)
 /* ===== Inline Function Start for 3.114.3. SMXDS ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_32B_ADDSUB
- * \brief SMXDS (SIMD Signed Crossed Multiply Two Halfs and Subtract)
+ * \brief SMXDS (SIMD Signed Crossed Multiply Two Halves and Subtract)
  * \details
  * **Type**: SIMD
  *
@@ -9016,7 +9016,7 @@ __STATIC_FORCEINLINE long __RV_SMMWT_U(long a, unsigned long b)
 /* ===== Inline Function Start for 3.120.1. SMSLDA ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_64B_ADDSUB
- * \brief SMSLDA (Signed Multiply Two Halfs & Add & Subtract 64-bit)
+ * \brief SMSLDA (Signed Multiply Two Halves & Add & Subtract 64-bit)
  * \details
  * **Type**: DSP (64-bit Profile)
  *
@@ -9098,7 +9098,7 @@ __STATIC_FORCEINLINE long long __RV_SMSLDA(long long t, unsigned long a, unsigne
 /* ===== Inline Function Start for 3.120.2. SMSLXDA ===== */
 /**
  * \ingroup NMSIS_Core_DSP_Intrinsic_SIGNED_16B_MULT_64B_ADDSUB
- * \brief SMSLXDA (Signed Crossed Multiply Two Halfs & Add & Subtract 64- bit)
+ * \brief SMSLXDA (Signed Crossed Multiply Two Halves & Add & Subtract 64- bit)
  * \details
  * **Type**: DSP (64-bit Profile)
  *

arch/risc-v/nuclei/gcc/nmsis/Core/Include/core_feature_eclic.h

@@ -282,7 +282,7 @@ __STATIC_FORCEINLINE uint32_t __ECLIC_GetCfgNlbits(void)
  * This function gets the hardware version information from CLICINFO register.
  * \return   hardware version number in CLICINFO register.
  * \remarks
- * - This function gets harware version information from CLICINFO register.
+ * - This function gets hardware version information from CLICINFO register.
  * - Bit 20:17 for architecture version, bit 16:13 for implementation version.
  * \sa
  * - \ref ECLIC_GetInfoNum