!889 FatFs升级r0.14a版本同步3.0分支

Merge pull request !889 from wangchen/05_31_up_a

.gitignore

@@ -17,9 +17,8 @@ tags
 
 # Menuconfig temp files
 /config.h
-.config
-.config.old
+/.config
+/.config.old
 
 # Build temp files
-/platform/board.ld
 /out

BUILD.gn

@@ -28,55 +28,361 @@
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 import("//build/lite/config/component/lite_component.gni")
-import("//build/lite/config/subsystem/lite_subsystem.gni")
+
+declare_args() {
+  tee_enable = false
+  liteos_name = "OHOS_Image"
+  liteos_skip_make = false
+}
+
+cmd = "if [ -f $device_path/BUILD.gn ]; then echo true; else echo false; fi"
+HAVE_DEVICE_SDK = exec_script("//build/lite/run_shell_cmd.py", [ cmd ], "value")
+
+LITEOS_MENUCONFIG_H = rebase_path("$root_out_dir/config.h")
+
+tee = ""
+if (tee_enable) {
+  tee = "_tee"
+}
+
+declare_args() {
+  liteos_config_file = "${ohos_build_type}${tee}.config"
+}
+
+liteos_config_file = rebase_path(liteos_config_file, "", "$product_path/kernel_configs")
+print("liteos_config_file:", liteos_config_file)
+
+exec_script("//build/lite/run_shell_cmd.py",
+            [
+              "env" +
+              " CONFIG_=LOSCFG_" +
+              " KCONFIG_CONFIG_HEADER='y=true'" +
+              " KCONFIG_CONFIG=$liteos_config_file" +
+              " DEVICE_PATH=$device_path" +
+              " srctree=" + rebase_path(".") +
+              " genconfig" +
+              " --header-path $LITEOS_MENUCONFIG_H" +
+              " --file-list kconfig_files.txt" +
+              " --env-list kconfig_env.txt" +
+              " --config-out config.gni",
+            ], "", [ liteos_config_file ])
+
+import("liteos.gni")
+
+assert(ARCH != "", "ARCH not set!")
+assert(ARCH == arch, "ARCH not match! details: $ARCH != $arch")
+assert(tee_enable == defined(LOSCFG_TEE_ENABLE), "TEE switch not match!")
 
 generate_notice_file("kernel_notice_file") {
   module_name = "kernel"
   module_source_dir_list = [
-    "//third_party/FreeBSD",
-    "//third_party/musl",
-    "//third_party/zlib",
-    "//third_party/FatFs",
-    "//third_party/Linux_Kernel",
-    "//third_party/lwip",
-    "//third_party/NuttX",
-    "//third_party/mtd-utils",
+    "$LITEOSTHIRDPARTY/FreeBSD",
+    "$LITEOSTHIRDPARTY/musl",
+    "$LITEOSTHIRDPARTY/zlib",
+    "$LITEOSTHIRDPARTY/FatFs",
+    "$LITEOSTHIRDPARTY/Linux_Kernel",
+    "$LITEOSTHIRDPARTY/lwip",
+    "$LITEOSTHIRDPARTY/NuttX",
+    "$LITEOSTHIRDPARTY/mtd-utils",
   ]
 }
 
-declare_args() {
-  enable_ohos_kernel_liteos_a_ext_build = true
-  LOSCFG_TEST_APPS = false
-  tee_enable = ""
+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=$mcpu" ]
+  if (defined(LOSCFG_ARCH_ARM_AARCH32)) {
+    liteos_arch_cflags += [
+      "-mfloat-abi=softfp",
+      "-mfpu=$LOSCFG_ARCH_FPU",
+    ]
+  }
 }
 
-lite_subsystem("kernel") {
-  subsystem_components = []
+cc = "$ohos_current_cc_command " + string_join(" ", liteos_arch_cflags)
+if (ohos_build_compiler == "clang") {
+  cc += " --target=$target_triple"
+}
 
-  if (enable_ohos_kernel_liteos_a_ext_build == false) {
-    subsystem_components += [
-      "//kernel/liteos_a/kernel",
-      "//kernel/liteos_a/net",
-      "//kernel/liteos_a/lib",
-      "//kernel/liteos_a/compat",
-      "//kernel/liteos_a/fs",
-      "//kernel/liteos_a/arch:platform_cpu",
-    ]
-    if (LOSCFG_SHELL) {
-      subsystem_components += [ "//kernel/liteos_a/shell" ]
+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"]
     }
-  } else {
-    deps = [ ":make" ]
-    deps += [ "//kernel/liteos_a/testsuites/unittest:unittest" ]
   }
+  if (defined(LOSCFG_THUMB)) {
+    cflags += [ "-mthumb" ]
+    if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
+      cflags += [ "-mimplicit-it=thumb" ]
+    } else {
+      cflags += [ "-Wa,-mimplicit-it=thumb" ]
+    }
+  }
+}
+
+config("stdinc_config") {
+  std_include = exec_script("//build/lite/run_shell_cmd.py", [ "$cc -print-file-name=include" ], "trim string")
+  cflags = [
+    "-isystem",
+    std_include,
+  ]
+  cflags += [ "-nostdinc" ]
+  asmflags = cflags
+}
+
+config("ssp_config") {
+  cflags = []
+  if (defined(LOSCFG_CC_STACKPROTECTOR_ALL)) {
+    cflags += [ "-fstack-protector-all" ]
+  } else if (defined(LOSCFG_CC_STACKPROTECTOR_STRONG)) {
+    cflags += [ "-fstack-protector-strong" ]
+  } else if (defined(LOSCFG_CC_STACKPROTECTOR)) {
+    cflags += [
+      "-fstack-protector",
+      "--param",
+      "ssp-buffer-size=4",
+    ]
+  } else {
+    cflags += [ "-fno-stack-protector" ]
+  }
+  asmflags = cflags
+}
+
+config("optimize_config") {
+  cflags = []
+  if (defined(LOSCFG_COMPILE_DEBUG)) {
+    cflags += [
+      "-g",
+      "-gdwarf-2",
+    ]
+    optimization_cflag = "-O0"
+  }
+  if (defined(LOSCFG_COMPILE_OPTIMIZE)) {
+    optimization_cflag = "-O2"
+  }
+  if (defined(LOSCFG_COMPILE_OPTIMIZE_SIZE)) {
+    if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
+      optimization_cflag = "-Oz"
+    } else {
+      optimization_cflag = "-Os"
+    }
+  }
+  if (defined(LOSCFG_COMPILE_LTO)) {
+    if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
+      cflags += [ "-flto=thin" ]
+    } else {
+      cflags += [ "-flto" ]
+    }
+  }
+  cflags += [ optimization_cflag ]
+  asmflags = cflags
+}
+
+config("kconfig_config") {
+  cflags = [
+    "-imacros",
+    "$LITEOS_MENUCONFIG_H",
+  ]
+  asmflags = cflags
+}
+
+config("warn_config") {
+  cflags = [
+    "-Wall",
+    "-Werror",
+    "-Wpointer-arith",
+    "-Wstrict-prototypes",
+    "-Winvalid-pch",
+    "-Wno-address-of-packed-member",
+  ]
+  asmflags = cflags
+}
+
+config("dialect_config") {
+  cflags_c = [ "-std=c99" ]
+  cflags_cc = [ "-std=c++11" ]
+}
+
+config("misc_config") {
+  defines = [ "__LITEOS__" ]
+  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",
+    "-fno-short-enums",
+    "-mno-unaligned-access",
+  ]
+
+  if (!defined(LOSCFG_COMPILER_CLANG_LLVM)) {
+    cflags += [ "-fno-aggressive-loop-optimizations" ]
+  }
+
+  asmflags = cflags
+}
+
+config("los_config") {
+  configs = [
+    ":arch_config",
+    ":kconfig_config",
+    ":stdinc_config",
+    ":dialect_config",
+    ":optimize_config",
+    ":ssp_config",
+    ":warn_config",
+    ":misc_config",
+  ]
+}
+
+executable("liteos") {
+  configs = [] # clear default configs
+  configs += [ ":arch_config" ]
+  configs += [ ":public" ]
+
+  ldflags = [
+    "-static",
+    "-nostdlib",
+    "-Wl,--gc-sections",
+    "-Wl,-Map=$liteos_name.map",
+    "-Wl,--no-eh-frame-hdr",
+  ]
+
+  libgcc = exec_script("//build/lite/run_shell_cmd.py", [ "$cc -print-libgcc-file-name" ], "trim string")
+  libs = [ libgcc ]
+  if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
+    ldflags += [ "-Wl,-T" + rebase_path("tools/build/liteos_llvm.ld", root_build_dir) ]
+    inputs = [ "tools/build/liteos_llvm.ld" ]
+  } else {
+    ldflags += [ "-Wl,-T" + rebase_path("tools/build/liteos.ld", root_build_dir) ]
+    ldflags += [ "-Wl,-nostartfiles" ]
+    inputs = [ "tools/build/liteos.ld" ]
+  }
+
+  inputs += [ "$root_out_dir/board.ld" ]
+
+  output_dir = target_out_dir
+
+  deps = [
+    "platform:copy_board.ld",
+    ":modules",
+  ]
+}
+
+copy("copy_liteos") {
+  deps = [ ":liteos" ]
+  sources = [ "$target_out_dir/unstripped/bin/liteos" ]
+  outputs = [ "$root_out_dir/$liteos_name" ]
+}
+
+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'"
+}
+
+config("public") {
+  configs = [
+    "arch:public",
+    "platform:public",
+    "kernel:public",
+    "compat:public",
+    "bsd:public",
+    "fs:public",
+    "drivers:public",
+    "security:public",
+    "net:public",
+    "shell:public",
+    "lib:public",
+  ]
+
+  configs += [
+    "$HDFTOPDIR:public",
+    "//drivers/liteos:public",
+  ]
+
+  if (HAVE_DEVICE_SDK) {
+    configs += [ "$device_path:public" ]
+  }
+}
+
+group("modules") {
+  deps = [
+    "arch",
+    "bsd",
+    "compat",
+    "drivers",
+    "fs",
+    "kernel",
+    "lib",
+    "net",
+    "platform",
+    "security",
+    "shell",
+    "syscall",
+  ]
+
+  deps += [
+    HDFTOPDIR,
+    "//drivers/liteos",
+  ]
+
+  if (HAVE_DEVICE_SDK) {
+    deps += [ device_path ]
+  }
+}
+
+group("apps") {
+  deps = [ "apps" ]
+}
+
+group("tests") {
+  deps = [ "testsuites" ]
+}
+
+group("kernel") {
+  deps = [ ":build_kernel_image" ]
+}
+
+group("liteos_a") {
+  deps = [
+    ":apps",
+    ":kernel",
+    ":tests",
+  ]
 }
 
 build_ext_component("make") {
   exec_path = rebase_path(".", root_build_dir)
-  outdir = rebase_path(get_path_info(".", "out_dir"))
+  outdir = rebase_path("$target_out_dir/${target_name}_out")
   sysroot_path = rebase_path(ohos_current_sysroot)
   arch_cflags = string_join(" ", target_arch_cflags)
-  command = "./build.sh ${board_name} ${ohos_build_compiler} ${root_build_dir} ${ohos_build_type} \"${tee_enable}\""
-  command += " \"${device_company}\" \"${product_path}\" $outdir \"${ohos_version}\" ${sysroot_path} \"${arch_cflags}\""
-  command += " \"${device_path}\""
+  command = "./build.sh \"$board_name\" \"$ohos_build_compiler\" \"$root_build_dir\" \"$ohos_build_type\" \"$tee_enable\""
+  command += " \"$device_company\" \"$product_path\" \"$outdir\" \"$ohos_version\" \"$sysroot_path\" \"$arch_cflags\""
+  command += " \"$device_path\" \"$compile_prefix\" \"$liteos_config_file\""
+  if (liteos_skip_make) {
+    print("build_ext_component \"$target_name\" skipped:", command)
+    command = "true"
+  }
 }

Kconfig

@@ -26,27 +26,64 @@
 # 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.
-#
-#
-# For a description of the syntax of this configuration file,
-# see extra/config/Kconfig-language.txt
-#
+
 mainmenu "Huawei LiteOS Configuration"
 
 menu "Compiler"
 choice
-    prompt "LiteOS_Compiler_Type"
+    prompt "Compiler type"
     default COMPILER_CLANG_LLVM
     help
-      Enable arm-himix100 or aarch64-himix100 or compiler.
+      Choose compiler type.
 
-config COMPILER_HIMIX_32
-    bool "arm-linux-ohoseabi"
+config COMPILER_GCC
+    bool "GCC"
+
+config CROSS_COMPILE
+    string "GCC cross-compile toolchain prefix"
+    depends on COMPILER_GCC
+    default "arm-linux-ohoseabi-" if ARCH_ARM_AARCH32
 
 config COMPILER_CLANG_LLVM
-    bool "clang-llvm"
+    bool "Clang"
+
+config LLVM_TARGET
+    string "Clang LLVM target"
+    depends on COMPILER_CLANG_LLVM
+    default "arm-liteos" if ARCH_ARM_AARCH32
 
 endchoice
+
+config COMPILE_DEBUG
+    bool "Enable debug options"
+    default n
+    help
+      Answer Y to add -g option in compile command.
+
+config COMPILE_OPTIMIZE
+    bool "Enable code optimization options"
+    default y
+    help
+      Answer Y to add optimization options for efficient code.
+      The final binary size will be smaller and execute faster.
+      But the debugging experience may be worst somehow.
+
+config COMPILE_OPTIMIZE_SIZE
+    bool "Enable code size optimization options" if COMPILE_OPTIMIZE
+    default y
+    help
+      Answer Y to add optimization options for small code size.
+      The final binary size will be smaller.
+      But the compile time may be a bit longer.
+
+config COMPILE_LTO
+    bool "Enable link time optimization (LTO)" if COMPILE_OPTIMIZE_SIZE
+    default y
+    help
+      Answer Y to add lto options for more smaller code size.
+      The final binary size will be smaller.
+      But the compile time may be much longer.
+
 endmenu
 
 menu "Platform"
@@ -58,7 +95,7 @@ source "platform/Kconfig"
 source "arch/Kconfig"
 
 ######################### config options of rootfs #####################
-source "kernel/common/Kconfig"
+source "kernel/common/rootfs/Kconfig"
 ######################### config options of patchfs #####################
 source "kernel/common/patchfs/Kconfig"
 ######################### config options of blackbox #####################
@@ -93,6 +130,7 @@ source "fs/romfs/Kconfig"
 source "fs/nfs/Kconfig"
 source "fs/proc/Kconfig"
 source "fs/jffs2/Kconfig"
+source "fs/zpfs/Kconfig"
 config ENABLE_READ_BUFFER
     bool "Enable read buffer Option"
     default n
@@ -122,11 +160,11 @@ source "net/Kconfig"
 
 ######################## config options of debug ########################
 menu "Debug"
-config COMPILE_DEBUG
-    bool "Enable GCC -g Option"
+config GDB
+    bool "Enable gdb functions"
     default n
     help
-      Answer Y to add -g option in gcc command. But the LiteOS size will be much larger.
+      Answer Y to enable gdb functions.
 
 config PLATFORM_ADAPT
     bool "Enable Os_adapt"
@@ -163,6 +201,7 @@ config ENABLE_MAGICKEY
 config THUMB
     bool "Enable Thumb"
     default n
+    depends on ARCH_ARM
     help
       Answer Y to build thumb version.  This will make LiteOS smaller.
 
@@ -185,8 +224,8 @@ config DEBUG_VERSION
     default n
     help
       If you do not select this option that means you enable a release version for LiteOS.
-      It also means you do not want to use debug modules, like shell,telnet,tftp,
-      ,nfs,ramfs proc and memory check.
+      It also means you do not want to use debug modules, like shell,telnet,tftp,nfs and
+      memory check, etc.
       If you select this option that means you enable a debug version for LiteOS.
       That means you want a opposite behaviour compared to release version.
 
@@ -295,13 +334,13 @@ source "bsd/dev/usb/Kconfig"
 source "../../drivers/adapter/khdf/liteos/Kconfig"
 
 # Device driver Kconfig import
-osource "$(DEVICE_PATH)/Kconfig"
-osource "$(DEVICE_PATH)/config/Kconfig"
+source "$(DEVICE_PATH)/drivers/Kconfig"
 
 source "drivers/char/mem/Kconfig"
 source "drivers/char/quickstart/Kconfig"
 source "drivers/char/random/Kconfig"
 source "drivers/char/video/Kconfig"
+source "drivers/char/trace/Kconfig"
 
 source "../../drivers/liteos/tzdriver/Kconfig"
 source "../../drivers/liteos/hievent/Kconfig"

Makefile

@@ -27,39 +27,57 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-LITEOSTOPDIR := $(shell if [ "$$PWD" != "" ]; then echo $$PWD; else pwd; fi)
-export OS=$(shell uname -s)
-ifneq ($(OS), Linux)
-LITEOSTOPDIR := $(shell dirname $(subst \,/,$(LITEOSTOPDIR))/./)
-endif
-
-LITEOSTHIRDPARTY := $(LITEOSTOPDIR)/../../third_party
-
+LITEOSTOPDIR := $(realpath $(dir $(lastword $(MAKEFILE_LIST))))
 export LITEOSTOPDIR
-export LITEOSTHIRDPARTY
 
-RM = -rm -rf
-MAKE = make
-__LIBS = libs
 APPS = apps
-ROOTFSDIR = rootfsdir
 ROOTFS = rootfs
-
 LITEOS_TARGET = liteos
-LITEOS_LIBS_TARGET = libs_target
-LITEOS_PLATFORM_BASE = $(LITEOSTOPDIR)/platform
+LITEOS_LIBS_TARGET = libs
+KCONFIG_CMDS := $(notdir $(wildcard $(dir $(shell which menuconfig))*config))
+
+ohos_kernel ?= liteos_a
+$(foreach line,$(shell hb env | sed 's/\[OHOS INFO\]/ohos/g;s/ /_/g;s/:_/=/g' || true),$(eval $(line)))
+ifneq ($(ohos_kernel),liteos_a)
+$(error The selected product ($(ohos_product)) is not a liteos_a kernel type product)
+endif
 
-export CONFIG_=LOSCFG_
 ifeq ($(PRODUCT_PATH),)
-export PRODUCT_PATH=$(LITEOSTOPDIR)/../../device/hisilicon/drivers
+PRODUCT_PATH:=$(ohos_product_path)
 endif
 
-ifeq ($(shell which menuconfig),)
-$(shell pip install --user kconfiglib >/dev/null)
+ifeq ($(DEVICE_PATH),)
+DEVICE_PATH:=$(ohos_device_path)
 endif
-$(shell env CONFIG_=$(CONFIG_) PRODUCT_PATH=$(PRODUCT_PATH) olddefconfig >/dev/null)
 
--include $(LITEOSTOPDIR)/tools/build/config.mk
+ifeq ($(TEE:1=y),y)
+tee = _tee
+endif
+ifeq ($(RELEASE:1=y),y)
+CONFIG ?= $(PRODUCT_PATH)/kernel_configs/release$(tee).config
+else
+CONFIG ?= $(PRODUCT_PATH)/kernel_configs/debug$(tee).config
+endif
+
+KCONFIG_CONFIG ?= $(CONFIG)
+SYSROOT_PATH ?= $(OUT)/sysroot
+LITEOS_MENUCONFIG_H ?= $(LITEOSTOPDIR)/config.h
+LITEOS_CONFIG_FILE ?= $(LITEOSTOPDIR)/.config
+
+# export los_config.mk related environment variables
+export LITEOS_MENUCONFIG_H
+export LITEOS_CONFIG_FILE
+
+# export subdir Makefile related environment variables
+export SYSROOT_PATH
+export PRODUCT_PATH
+export DEVICE_PATH
+
+# export kconfig related environment variables
+export CONFIG_=LOSCFG_
+export srctree=$(LITEOSTOPDIR)
+
+include $(LITEOSTOPDIR)/config.mk
 
 ifeq ($(LOSCFG_STORAGE_SPINOR), y)
 FSTYPE = jffs2
@@ -75,149 +93,118 @@ FSTYPE = jffs2
 endif
 ROOTFS_DIR = $(OUT)/rootfs
 ROOTFS_ZIP = $(OUT)/rootfs.zip
-VERSION =
 
-SYSROOT_PATH ?= $(LITEOSTOPDIR)/../../prebuilts/lite/sysroot
-export SYSROOT_PATH
+define HELP =
+Usage: make [TARGET]... [PARAMETER=VALUE]...
 
-all: $(OUT) $(BUILD) $(LITEOS_TARGET) $(APPS)
-lib: $(OUT) $(BUILD) $(LITEOS_LIBS_TARGET)
+Targets:
+    help:       display this help and exit
+    clean:      clean compiled objects
+    cleanall:   clean all build outputs
+    all:        make liteos kernel image and rootfs image (Default target)
+    $(APPS):       build all apps
+    $(ROOTFS):     make a original rootfs image
+    $(LITEOS_LIBS_TARGET):       compile all kernel modules (libraries)
+    $(LITEOS_TARGET):     make liteos kernel image
+    update_config:  update product kernel config (use menuconfig)
+    xxconfig:   invoke xxconfig command of kconfiglib (xxconfig is one of $(KCONFIG_CMDS))
+
+Parameters:
+    FSTYPE:     value should be one of (jffs2 vfat yaffs2)
+    TEE:        boolean value(1 or y for true), enable tee
+    RELEASE:    boolean value(1 or y for true), build release version
+    CONFIG:     kernel config file to be use
+    args:       arguments for xxconfig command
+endef
+export HELP
+
+all: $(LITEOS_TARGET) $(ROOTFS)
 
 help:
-	$(HIDE)echo "-------------------------------------------------------"
-	$(HIDE)echo "1.====make help:    get help infomation of make"
-	$(HIDE)echo "2.====make:         make a debug version based the .config"
-	$(HIDE)echo "3.====make debug:   make a debug version based the .config"
-	$(HIDE)echo "4.====make release: make a release version for all platform"
-	$(HIDE)echo "5.====make release PLATFORM=xxx:  make a release version only for platform xxx"
-	$(HIDE)echo "6.====make rootfsdir: make a original rootfs dir"
-	$(HIDE)echo "7.====make rootfs FSTYPE=***: make a original rootfs img"
-	$(HIDE)echo "8.====make test: make the testsuits_app and put it into the rootfs dir"
-	$(HIDE)echo "9.====make test_apps FSTYPE=***: make a rootfs img with the testsuits_app in it"
-	$(HIDE)echo "xxx should be one of (hi3516cv300 hi3516ev200 hi3556av100/cortex-a53_aarch32 hi3559av100/cortex-a53_aarch64)"
-	$(HIDE)echo "*** should be one of (jffs2)"
-	$(HIDE)echo "-------------------------------------------------------"
+	$(HIDE)echo "$$HELP"
 
-debug:
-	$(HIDE)echo "=============== make a debug version  ==============="
-	$(HIDE) $(MAKE) all
-
-release:
-ifneq ($(PLATFORM),)
-	$(HIDE)echo "=============== make a release version for platform $(PLATFORM) ==============="
-	$(HIDE)$(SCRIPTS_PATH)/mklibversion.sh $(PLATFORM)
-else
-	$(HIDE)echo "================make a release version for all platform ==============="
-	$(HIDE)$(SCRIPTS_PATH)/mklibversion.sh
-endif
-
-##### make sysroot #####
 sysroot:
-ifeq ($(LOSCFG_COMPILER_CLANG_LLVM), y)
-ifeq ($(wildcard $(SYSROOT_PATH)/usr/include/$(LLVM_TARGET)/),)
-	$(HIDE)$(MAKE) -C $(SYSROOT_PATH)/build TARGETS=liteos_a_user
-endif
 	$(HIDE)echo "sysroot:" $(abspath $(SYSROOT_PATH))
+ifeq ($(LOSCFG_COMPILER_CLANG_LLVM), y)
+ifeq ($(origin SYSROOT_PATH),file)
+	$(HIDE)mkdir -p $(SYSROOT_PATH)/build && cd $(SYSROOT_PATH)/build && \
+	ln -snf $(LITEOSTOPDIR)/../../prebuilts/lite/sysroot/build/Makefile && \
+	$(MAKE) TARGETS=liteos_a_user \
+		ARCH=$(ARCH) \
+		TARGET=$(LOSCFG_LLVM_TARGET) \
+		ARCH_CFLAGS="$(LITEOS_CORE_COPTS) -w" \
+		TOPDIR="$(LITEOSTOPDIR)/../.." \
+		SYSROOTDIR="$(SYSROOT_PATH)" \
+		CLANG="$(LITEOS_COMPILER_PATH)clang" \
+		BUILD_ALL_MULTILIB=false \
+		BUILD_DEBUG=$(if $(patsubst y,,$(or $(RELEASE:1=y),n)),true,false)
+endif
 endif
 
-##### make dynload #####
--include $(LITEOS_MK_PATH)/dynload.mk
+$(filter-out menuconfig,$(KCONFIG_CMDS)):
+	$(HIDE)$@ $(args)
 
-#-----need move when make version-----#
-##### make lib #####
-$(__LIBS): $(OUT) $(CXX_INCLUDE)
+$(LITEOS_CONFIG_FILE): $(KCONFIG_CONFIG)
+	$(HIDE)env KCONFIG_CONFIG=$< genconfig --config-out $@ --header-path $(LITEOS_MENUCONFIG_H)
 
-$(OUT): $(LITEOS_MENUCONFIG_H)
-	$(HIDE)mkdir -p $(OUT)/lib
-	$(HIDE)$(CC) -I$(LITEOSTOPDIR)/kernel/base/include -I$(LITEOSTOPDIR)/../../$(LOSCFG_BOARD_CONFIG_PATH) \
-		-I$(LITEOS_PLATFORM_BASE)/include -imacros $< -E $(LITEOS_PLATFORM_BASE)/board.ld.S \
-		-o $(LITEOS_PLATFORM_BASE)/board.ld -P
+update_config menuconfig:
+	$(HIDE)test -f "$(CONFIG)" && cp -v "$(CONFIG)" .config && menuconfig $(args) && savedefconfig --out "$(CONFIG)"
 
-$(BUILD):
-	$(HIDE)mkdir -p $(BUILD)
+$(LITEOS_LIBS_TARGET): sysroot
+	$(HIDE)for dir in $(LIB_SUBDIRS); do $(MAKE) -C $$dir all || exit 1; done
 
-$(LITEOS_LIBS_TARGET): $(__LIBS) sysroot
-	$(HIDE)for dir in $(LIB_SUBDIRS); \
-		do $(MAKE) -C $$dir all || exit 1; \
-	done
-	$(HIDE)echo "=============== make lib done  ==============="
+$(LITEOS_TARGET): $(OUT)/$(LITEOS_TARGET)
+$(LITEOS_TARGET): $(OUT)/$(LITEOS_TARGET).map
+#$(LITEOS_TARGET): $(OUT)/$(LITEOS_TARGET).objsize
+$(LITEOS_TARGET): $(OUT)/$(LITEOS_TARGET).bin
+$(LITEOS_TARGET): $(OUT)/$(LITEOS_TARGET).sym.sorted
+$(LITEOS_TARGET): $(OUT)/$(LITEOS_TARGET).asm
+#$(LITEOS_TARGET): $(OUT)/$(LITEOS_TARGET).size
 
-##### make menuconfig #####
-menuconfig:
-	$(HIDE)menuconfig
-##### menuconfig end #######
+$(OUT)/$(LITEOS_TARGET): $(LITEOS_LIBS_TARGET)
+	$(LD) $(LITEOS_LDFLAGS) $(LITEOS_TABLES_LDFLAGS) -Map=$@.map -o $@ --start-group $(LITEOS_LIBDEP) --end-group
+$(OUT)/$(LITEOS_TARGET).map: $(OUT)/$(LITEOS_TARGET)
+$(OUT)/$(LITEOS_TARGET).objsize: $(LITEOS_LIBS_TARGET)
+	$(SIZE) -t --common $(OUT)/lib/*.a >$@
+$(OUT)/$(LITEOS_TARGET).bin: $(OUT)/$(LITEOS_TARGET)
+	$(OBJCOPY) -O binary $< $@
+$(OUT)/$(LITEOS_TARGET).sym.sorted: $(OUT)/$(LITEOS_TARGET)
+	$(OBJDUMP) -t $< |sort >$@
+$(OUT)/$(LITEOS_TARGET).asm: $(OUT)/$(LITEOS_TARGET)
+	$(OBJDUMP) -d $< >$@
+$(OUT)/$(LITEOS_TARGET).size: $(OUT)/$(LITEOS_TARGET)
+	$(NM) -S --size-sort $< >$@
 
-$(LITEOS_MENUCONFIG_H): .config
-	$(HIDE)genconfig
-
-$(LITEOS_TARGET): $(__LIBS) sysroot
-	$(HIDE)touch $(LOSCFG_ENTRY_SRC)
-
-	$(HIDE)for dir in $(LITEOS_SUBDIRS); \
-	do $(MAKE) -C $$dir all || exit 1; \
-	done
-
-	$(LD) $(LITEOS_LDFLAGS) $(LITEOS_TABLES_LDFLAGS) $(LITEOS_DYNLDFLAGS) -Map=$(OUT)/$@.map -o $(OUT)/$@ --start-group $(LITEOS_LIBDEP) --end-group
-#	$(SIZE) -t --common $(OUT)/lib/*.a >$(OUT)/$@.objsize
-	$(OBJCOPY) -O binary $(OUT)/$@ $(LITEOS_TARGET_DIR)/$@.bin
-	$(OBJDUMP) -t $(OUT)/$@ |sort >$(OUT)/$@.sym.sorted
-	$(OBJDUMP) -d $(OUT)/$@ >$(OUT)/$@.asm
-#	$(NM) -S --size-sort $(OUT)/$@ >$(OUT)/$@.size
-
-$(APPS): $(LITEOS_TARGET) sysroot
+$(APPS): sysroot
 	$(HIDE)$(MAKE) -C apps all
 
-prepare:
+$(ROOTFS): $(APPS)
 	$(HIDE)mkdir -p $(OUT)/musl
 ifeq ($(LOSCFG_COMPILER_CLANG_LLVM), y)
-	$(HIDE)cp -f $$($(CC) --target=$(LLVM_TARGET) --sysroot=$(SYSROOT_PATH) $(LITEOS_CFLAGS) -print-file-name=libc.so) $(OUT)/musl
-	$(HIDE)cp -f $$($(GPP) --target=$(LLVM_TARGET) --sysroot=$(SYSROOT_PATH) $(LITEOS_CXXFLAGS) -print-file-name=libc++.so) $(OUT)/musl
+	$(HIDE)cp -fp $$($(CC) $(LITEOS_CFLAGS) -print-file-name=libc.so) $(OUT)/musl
+	$(HIDE)cp -fp $$($(GPP) $(LITEOS_CXXFLAGS) -print-file-name=libc++.so) $(OUT)/musl
 else
-	$(HIDE)cp -f $(LITEOS_COMPILER_PATH)/target/usr/lib/libc.so $(OUT)/musl
-	$(HIDE)cp -f $(LITEOS_COMPILER_PATH)/arm-linux-musleabi/lib/libstdc++.so.6 $(OUT)/musl
-	$(HIDE)cp -f $(LITEOS_COMPILER_PATH)/arm-linux-musleabi/lib/libgcc_s.so.1 $(OUT)/musl
-	$(STRIP) $(OUT)/musl/*
+	$(HIDE)cp -fp $$($(CC) $(LITEOS_CFLAGS) -print-file-name=libc.so) $(OUT)/musl
+	$(HIDE)cp -fp $$($(CC) $(LITEOS_CFLAGS) -print-file-name=libgcc_s.so.1) $(OUT)/musl
+	$(HIDE)cp -fp $$($(GPP) $(LITEOS_CXXFLAGS) -print-file-name=libstdc++.so.6) $(OUT)/musl
 endif
-
-$(ROOTFSDIR): prepare $(APPS)
-	$(HIDE)$(MAKE) clean -C apps
-	$(HIDE)$(LITEOSTOPDIR)/tools/scripts/make_rootfs/rootfsdir.sh $(OUT) $(ROOTFS_DIR) $(LITEOS_TARGET_DIR)
+	$(HIDE)$(LITEOS_SCRIPTPATH)/make_rootfs/rootfsdir.sh $(OUT) $(ROOTFS_DIR)
+	$(HIDE)shopt -s nullglob && $(STRIP) $(ROOTFS_DIR)/bin/* $(ROOTFS_DIR)/lib/*
 ifneq ($(VERSION),)
-	$(HIDE)$(LITEOSTOPDIR)/tools/scripts/make_rootfs/releaseinfo.sh "$(VERSION)" $(ROOTFS_DIR) $(LITEOS_TARGET_DIR)
+	$(HIDE)$(LITEOS_SCRIPTPATH)/make_rootfs/releaseinfo.sh "$(VERSION)" $(ROOTFS_DIR)
 endif
-
-$(ROOTFS): $(ROOTFSDIR)
-	$(HIDE)$(LITEOSTOPDIR)/tools/scripts/make_rootfs/rootfsimg.sh $(ROOTFS_DIR) $(FSTYPE)
+	$(HIDE)$(LITEOS_SCRIPTPATH)/make_rootfs/rootfsimg.sh $(ROOTFS_DIR) $(FSTYPE)
 	$(HIDE)cd $(ROOTFS_DIR)/.. && zip -r $(ROOTFS_ZIP) $(ROOTFS)
 
 clean:
-	$(HIDE)for dir in $(LITEOS_SUBDIRS); \
-		do $(MAKE) -C $$dir clean|| exit 1; \
-	done
-	$(HIDE)$(MAKE) -C apps clean
-	$(HIDE)$(RM) $(__OBJS) $(LITEOS_TARGET) $(BUILD) $(LITEOS_MENUCONFIG_H) *.bak *~
-	$(HIDE)$(RM) include/config include/generated
-	$(HIDE)$(MAKE) cleanrootfs
-	$(HIDE)echo "clean $(LITEOS_PLATFORM) finish"
+	$(HIDE)if [ -d $(SYSROOT_PATH)/build ]; then $(MAKE) -C $(SYSROOT_PATH)/build clean; fi
+	$(HIDE)for dir in $(LIB_SUBDIRS) apps; do $(MAKE) -C $$dir clean || exit 1; done
+	$(HIDE)$(RM) $(LITEOS_MENUCONFIG_H)
+	$(HIDE)echo "clean $(LOSCFG_PLATFORM) finish"
 
 cleanall: clean
-	$(HIDE)$(RM) $(LITEOSTOPDIR)/out $(LITEOS_PLATFORM_BASE)/board.ld
+	$(HIDE)$(RM) $(LITEOSTOPDIR)/out $(LITEOS_CONFIG_FILE)
 	$(HIDE)echo "clean all done"
 
-cleanrootfs:
-	$(HIDE)$(RM) $(OUT)/rootfs
-	$(HIDE)$(RM) $(OUT)/rootfs.zip
-	$(HIDE)$(RM) $(OUT)/rootfs.img
-
-update_all_config:
-	$(HIDE)shopt -s globstar && for f in tools/build/config/**/*.config ; \
-		do \
-			echo updating $$f; \
-			test -f $$f && cp $$f .config && olddefconfig && savedefconfig --out $$f; \
-		done
-
-update_config:
-	$(HIDE)test -f "$(CONFIG)" && cp "$(CONFIG)" .config && menuconfig && savedefconfig --out "$(CONFIG)"
-
-.PHONY: all lib clean cleanall $(LITEOS_TARGET) debug release help update_all_config update_config
-.PHONY: prepare sysroot cleanrootfs $(ROOTFS) $(ROOTFSDIR) $(APPS) menuconfig $(LITEOS_LIBS_TARGET) $(__LIBS) $(OUT)
+.PHONY: all clean cleanall sysroot help update_config
+.PHONY: $(LITEOS_TARGET) $(ROOTFS) $(APPS) $(KCONFIG_CMDS) $(LITEOS_LIBS_TARGET) $(KCONFIG_CONFIG)

README.md

@@ -67,26 +67,27 @@ The OpenHarmony LiteOS Cortex-A is a new-generation kernel developed based on th
 
 ## Usage<a name="section741617511812"></a>
 
-OpenHarmony LiteOS Cortex-A supports the  [Hi3518E V300](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/introduction-to-the-hi3518-development-board.md)  and  [Hi3516D V300](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/introduction-to-the-hi3516-development-board.md). You can develop and run your applications based on both development boards.
+OpenHarmony LiteOS Cortex-A supports the  [Hi3518E V300](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-introduction-hi3518.md)  and  [Hi3516D V300](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-introduction-hi3516.md). You can develop and run your applications based on both development boards.
 
 ### Preparations<a name="section1579912573329"></a>
 
 You need to set up the compilation environment on Linux.
 
--   For Hi3518E V300, see  [Setting Up the Hi3518 Development Environment](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/setting-up-the-hi3518-development-environment.md).
--   For Hi3516D V300, see  [Setting Up the Hi3516 Development Environment](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/setting-up-the-hi3516-development-environment.md).
+-   [Compilation environment on Linux](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-env-setup-lin.md)
+-   For Hi3518E V300, see  [Setting Up the Hi3518 Development Environment](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-steps-board3518-setting.md).
+-   For Hi3516D V300, see  [Setting Up the Hi3516 Development Environment](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-steps-board3516-setting.md).
 
 ### Source Code Acquisition<a name="section11443189655"></a>
 
-Download and decompress a set of source code on a Linux server to acquire the  [source code](https://repo.huaweicloud.com/harmonyos/os/1.0.1/code-1.0.1.tar.gz). For more acquisition methods, see  [Source Code Acquisition](https://gitee.com/openharmony/docs/blob/master/en/device-dev/get-code/source-code-acquisition.md).
+Download and decompress a set of source code on a Linux server to acquire the  [source code](https://gitee.com/openharmony/docs/blob/master/en/device-dev/get-code/sourcecode-acquire.md).
 
 ### Compilation and Building<a name="section2081013992812"></a>
 
 For details about how to develop the first application, see:
 
--   [Developing the First Example Program Running on Hi3518](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/developing-the-first-example-program-running-on-hi3518.md)
+-   [Developing the First Example Program Running on Hi3518](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-steps-board3518-running.md)
 
--   [Developing the First Example Program Running on Hi3516](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/developing-the-first-example-program-running-on-hi3516.md)
+-   [Developing the First Example Program Running on Hi3516](https://gitee.com/openharmony/docs/blob/master/en/device-dev/quick-start/quickstart-lite-steps-board3516-running.md)
 
 ## Repositories Involved<a name="section1371113476307"></a>
 

README_zh-HK.md

@@ -68,26 +68,27 @@ OpenHarmony LiteOS-A內核是基於Huawei LiteOS內核演進發展的新一代
 
 ## 使用說明<a name="section741617511812"></a>
 
-OpenHarmony LiteOS-A內核支持Hi3518EV300（[介紹](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/Hi3518%E5%BC%80%E5%8F%91%E6%9D%BF%E4%BB%8B%E7%BB%8D.md)）、Hi3516DV300（[介紹](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/Hi3516%E5%BC%80%E5%8F%91%E6%9D%BF%E4%BB%8B%E7%BB%8D.md)）單板，開發者可基於兩種單板開發運行自己的應用程序。
+OpenHarmony LiteOS-A內核支持Hi3518EV300（[介紹](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/oem_minitinier_des_3518.md)）、Hi3516DV300（[介紹](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/oem_minitinier_des_3516.md)）單板，開發者可基於兩種單板開發運行自己的應用程序。
 
 ### 準備<a name="section1579912573329"></a>
 
 開發者需要在Linux上搭建編譯環境：
 
-- Hi3518EV300單板：參考[環境搭建](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/Hi3516%E5%BC%80%E5%8F%91%E6%9D%BF%E4%BB%8B%E7%BB%8D.md)；
-- Hi3516DV300單板：參考[環境搭建](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/Hi3516%E6%90%AD%E5%BB%BA%E7%8E%AF%E5%A2%83.md)。
+- [Ubuntu編譯環境凖備](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-env-setup-linux.md);
+- Hi3518EV300單板：參考[環境搭建](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3518-setting.md)；
+- Hi3516DV300單板：參考[環境搭建](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3516-setting.md)。
 
 ### 獲取源碼<a name="section11443189655"></a>
 
-在Linux服務器上下載並解壓一套源代碼，獲取源碼（[下載鏈結](https://repo.huaweicloud.com/harmonyos/os/1.0.1/code-1.0.1.tar.gz)）。更多源碼獲取方式，參考[源碼獲取](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/get-code/%E6%BA%90%E7%A0%81%E8%8E%B7%E5%8F%96.md)。
+在Linux服務器上下載並解壓一套源代碼，源碼獲取方式參考[源碼獲取](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/get-code/sourcecode-acquire.md)。
 
 ### 編譯構建<a name="section2081013992812"></a>
 
 開發者開發第一個應用程序可參考：
 
-- [helloworld for Hi3518EV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/%E5%BC%80%E5%8F%91Hi3518%E7%AC%AC%E4%B8%80%E4%B8%AA%E7%A4%BA%E4%BE%8B%E7%A8%8B%E5%BA%8F.md)；
+- [helloworld for Hi3518EV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3518-running.md)；
 
-- [helloworld for Hi3516DV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/%E5%BC%80%E5%8F%91Hi3516%E7%AC%AC%E4%B8%80%E4%B8%AA%E5%BA%94%E7%94%A8%E7%A8%8B%E5%BA%8F%E7%A4%BA%E4%BE%8B.md)。
+- [helloworld for Hi3516DV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3516-running.md)。
 
 ## 相關倉<a name="section1371113476307"></a>
 

README_zh.md

@@ -67,26 +67,27 @@ OpenHarmony LiteOS-A内核是基于Huawei LiteOS内核演进发展的新一代
 
 ## 使用说明<a name="section741617511812"></a>
 
-OpenHarmony LiteOS-A内核支持Hi3518EV300（[介绍](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/Hi3518%E5%BC%80%E5%8F%91%E6%9D%BF%E4%BB%8B%E7%BB%8D.md)）、Hi3516DV300（[介绍](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/Hi3516%E5%BC%80%E5%8F%91%E6%9D%BF%E4%BB%8B%E7%BB%8D.md)）单板，开发者可基于两种单板开发运行自己的应用程序。
+OpenHarmony LiteOS-A内核支持Hi3518EV300（[介绍](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/oem_minitinier_des_3518.md)）、Hi3516DV300（[介绍](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/oem_minitinier_des_3516.md)）单板，开发者可基于两种单板开发运行自己的应用程序。
 
 ### 准备<a name="section1579912573329"></a>
 
 开发者需要在Linux上搭建编译环境：
 
--   Hi3518EV300单板：参考[环境搭建](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/Hi3518%E5%BC%80%E5%8F%91%E6%9D%BF.md)；
--   Hi3516DV300单板：参考[环境搭建](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/Hi3516%E5%BC%80%E5%8F%91%E6%9D%BF.md)。
+-   [Ubuntu编译环境准备](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-env-setup-linux.md);
+-   Hi3518EV300单板：参考[环境搭建](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3518-setting.md)；
+-   Hi3516DV300单板：参考[环境搭建](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3516-setting.md)。
 
 ### 获取源码<a name="section11443189655"></a>
 
-在Linux服务器上下载并解压一套源代码，获取源码（[下载链接](https://repo.huaweicloud.com/harmonyos/os/1.0.1/code-1.0.1.tar.gz)）。更多源码获取方式，参考[源码获取](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/get-code/%E6%BA%90%E7%A0%81%E8%8E%B7%E5%8F%96.md)。
+在Linux服务器上下载并解压一套源代码，源码获取方式参考[源码获取](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/get-code/sourcecode-acquire.md)。
 
 ### 编译构建<a name="section2081013992812"></a>
 
 开发者开发第一个应用程序可参考：
 
--   [helloworld for Hi3518EV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/%E8%BF%90%E8%A1%8CHello-OHOS-4.md)；
+-   [helloworld for Hi3518EV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3518-running.md)；
 
--   [helloworld for Hi3516DV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/%E8%BF%90%E8%A1%8CHello-OHOS.md)。
+-   [helloworld for Hi3516DV300](https://gitee.com/openharmony/docs/blob/master/zh-cn/device-dev/quick-start/quickstart-lite-steps-hi3516-running.md)。
 
 ## 相关仓<a name="section1371113476307"></a>
 

TODOList.md

@@ -1,61 +0,0 @@
-- liteos_m易用性
-	- [ ] liteos_m开发者手册
-	- [ ] 低功耗框架及实现（含投票机制）
-	- [ ] dump增强（配套解析工具）
-	- [ ] 全内存dump（配套解析工具）
-	- [ ] 实现完整L0 OHOS的qemu仿真
-	- [ ] Shell + AT
-
-- liteos_m能力增强
-	- [ ] liteos_m支持elf动态加载
-	- [ ] 基于MPU/PMP的多任务简化隔离
-	- [ ] 基于MPU/PMP的多BIN隔离及灌段隔离
-	- [ ] 扩展支持中断嵌套
-	- [ ] 支持arm9架构
-	- [ ] 支持xtensa架构
-
-- 文件系统增强
-	- [ ] 提供一种好用且开源的NandFlash文件系统
-	- [ ] 面向fat32、jffs2持续性能优化，做到极致
-	- [ ] fat32支持fast seek（现有fast seek限制文件扩展，需要改造）
-	- [ ] 支持软链接
-	- [ ] 头文件引用关系整理
-	- [ ] 接口层去nuttx
-	- [ ] 文件系统去大锁
-
-- liteos_a支持三方芯片易移植性
-	- [ ] 启动框架重构
-	- [ ] musl库归一化
-	- [ ] 去C库预编译
-	- [ ] 宏配置依赖关系整理
-	- [ ] 典型商用配置场景整理并导入门禁（1V1映射，去缺页，去隔离，单进程等等）
-	- [ ] 编译框架整合到gn
-	- [ ] 实现基于python的kconfig可视化配置
-
-- liteos_a易用性
-	- [ ] 实现L1 LiteOS-A及上层鸿蒙组件的qemu仿真
-	- [ ] liteos_a开发者手册
-	- [ ] mksh移植
-	- [ ] toybox命令集
-	- [ ] trace、backtrace、dump解析工具等
-	- procfs适配
-		- [ ] ifconfig、fd、free等
-
-- liteos_a能力增强
-	- [ ] 单链表整改（SMP多核性能）
-	- [ ] 快启
-	- [ ] 典型高频函数C库性能优化
-	- [ ] rwlock
-
-- liteos_a三方库移植
-	- [ ] libuv、dlna、benchmark、iperf、perf、tcpdump 等等
-	-  C库能力补全
-		- [ ] epoll实现 
-
-- 测试验证
-	- [ ] syzkaller、difuze等
-
-- 探索性课题
-	- [ ] 基于rust重写liteos_m基础内核
-	- [ ] 用户态驱动（对比业界并增强）
-	- [ ] 用户态文件系统

apps/BUILD.gn

@@ -27,27 +27,28 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-SRC_MODULES := fs/proc
+import("//kernel/liteos_a/liteos.gni")
 
-ifeq ($(LOSCFG_USER_TEST_LLT), y)
-LLT_MODULES := fs/proc/llt
-endif
+group("apps") {
+  deps = []
 
-ifeq ($(LOSCFG_USER_TEST_SMOKE), y)
-SMOKE_MODULES := fs/proc/smoke
-endif
+  if (defined(LOSCFG_SHELL)) {
+    deps += [
+      "shell",
+      "mksh",
+      "toybox",
+    ]
+  }
 
-ifeq ($(LOSCFG_USER_TEST_FULL), y)
-FULL_MODULES := fs/proc/full
-endif
+  if (defined(LOSCFG_USER_INIT_DEBUG)) {
+    deps += [ "init" ]
+  }
 
-ifeq ($(LOSCFG_USER_TEST_PRESSURE), y)
-PRESSURE_MODULES := fs/proc/pressure
-endif
+  if (defined(LOSCFG_NET_LWIP_SACK_TFTP)) {
+    deps += [ "tftp" ]
+  }
 
-LOCAL_MODULES := $(SRC_MODULES) $(LLT_MODULES) $(PRESSURE_MODULES) $(SMOKE_MODULES) $(FULL_MODULES)
-
-LOCAL_SRCS += $(foreach dir,$(LOCAL_MODULES),$(wildcard $(dir)/*.c))
-LOCAL_CHS += $(foreach dir,$(LOCAL_MODULES),$(wildcard $(dir)/*.h))
-
-LOCAL_FLAGS += -I./fs/proc
+  if (defined(LOSCFG_DRIVERS_TRACE)) {
+    deps += [ "trace" ]
+  }
+}

apps/Makefile

@@ -27,26 +27,21 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-LITEOSTOPDIR = $(shell pwd)/../
+APPSTOPDIR := $(shell pwd)
+LITEOSTOPDIR ?= $(APPSTOPDIR)/..
+export LITEOSTOPDIR
+export APPSTOPDIR
 
-include $(LITEOSTOPDIR)/.config
-include ./config.mk
-include ./module.mk
+include $(APPSTOPDIR)/config.mk
 
-HIDE := @
-APPS := app
-
-all: $(APPS)
-
-# Make
-$(APPS):
+all:
 ifneq ($(APP_SUBDIRS), )
-	$(HIDE) for dir in $(APP_SUBDIRS); do $(MAKE) -C $$dir || exit 1; done
+	$(HIDE) for dir in $(APP_SUBDIRS); do $(MAKE) -C $$dir all || exit 1; done
 endif
 
 clean:
 ifneq ($(APP_SUBDIRS), )
-	$(HIDE) for dir in $(APP_SUBDIRS); do $(MAKE) -C $$dir clean; done
+	$(HIDE) for dir in $(APP_SUBDIRS); do $(MAKE) -C $$dir clean || exit 1; done
 endif
 
-.PHONY: all $(APPS) clean
+.PHONY: all clean

apps/app.mk

@@ -0,0 +1,114 @@
+# 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.
+
+OBJOUT := $(BUILD)$(dir $(subst $(LITEOSTOPDIR),,$(shell pwd)))$(APP_NAME)
+
+APP := $(OUT)/bin/$(APP_NAME)
+
+# create a separate list of objects per source type
+
+LOCAL_CSRCS := $(filter %.c,$(LOCAL_SRCS))
+LOCAL_CPPSRCS := $(filter %.cpp,$(LOCAL_SRCS))
+LOCAL_ASMSRCS := $(filter %.S,$(LOCAL_SRCS))
+LOCAL_ASMSRCS2 := $(filter %.s,$(LOCAL_SRCS))
+LOCAL_CCSRCS := $(filter %.cc,$(LOCAL_SRCS))
+
+LOCAL_COBJS := $(patsubst %.c,$(OBJOUT)/%.o,$(LOCAL_CSRCS))
+LOCAL_CPPOBJS := $(patsubst %.cpp,$(OBJOUT)/%.o,$(LOCAL_CPPSRCS))
+LOCAL_ASMOBJS := $(patsubst %.S,$(OBJOUT)/%.o,$(LOCAL_ASMSRCS))
+LOCAL_ASMOBJS2 := $(patsubst %.s,$(OBJOUT)/%.o,$(LOCAL_ASMSRCS2))
+LOCAL_CCOBJS := $(patsubst %.cc,$(OBJOUT)/%.o,$(LOCAL_CCSRCS))
+
+LOCAL_OBJS := $(LOCAL_COBJS) $(LOCAL_CPPOBJS) $(LOCAL_ASMOBJS) $(LOCAL_ASMOBJS2) $(LOCAL_CCOBJS)
+
+LOCAL_CGCH := $(patsubst %.h,%.h.gch,$(LOCAL_CHS))
+LOCAL_CPPGCH := $(patsubst %.h,%.h.gch,$(LOCAL_CPPHS))
+
+all : $(APP)
+
+define ECHO =
+ifeq ($$(HIDE),@)
+_$(1) := $($(1))
+$(1) = echo "  $(1)" $$(patsubst $$(OUT)/%,%,$$@) && $$(_$(1))
+endif
+endef
+$(foreach cmd,CC GPP AS,$(eval $(call ECHO,$(cmd))))
+
+LOCAL_FLAGS += -MD -MP
+-include $(LOCAL_OBJS:%.o=%.d)
+
+$(LOCAL_COBJS): $(OBJOUT)/%.o: %.c
+	$(HIDE)$(OBJ_MKDIR)
+	$(HIDE)$(CC) $(CFLAGS) $(LOCAL_FLAGS) $(LOCAL_CFLAGS) -c $< -o $@
+
+$(LOCAL_CPPOBJS): $(OBJOUT)/%.o: %.cpp
+	$(HIDE)$(OBJ_MKDIR)
+	$(HIDE)$(GPP) $(CXXFLAGS) $(LOCAL_FLAGS) $(LOCAL_CPPFLAGS) -c $< -o $@
+
+$(LOCAL_ASMOBJS): $(OBJOUT)/%.o: %.S
+	$(HIDE)$(OBJ_MKDIR)
+	$(HIDE)$(CC) $(CFLAGS) $(LOCAL_FLAGS) $(LOCAL_ASFLAGS) -c $< -o $@
+
+$(LOCAL_ASMOBJS2): $(OBJOUT)/%.o: %.s
+	$(HIDE)$(OBJ_MKDIR)
+	$(HIDE)$(AS) $(ASFLAGS) $(LOCAL_FLAGS) $(LOCAL_ASFLAGS) -c $< -o $@
+
+$(LOCAL_CCOBJS): $(OBJOUT)/%.o: %.cc
+	$(HIDE)$(OBJ_MKDIR)
+	$(HIDE)$(GPP) $(CXXFLAGS) $(LOCAL_FLAGS) $(LOCAL_CPPFLAGS) -c $< -o $@
+
+$(LOCAL_CGCH): %.h.gch : %.h
+	$(HIDE)$(CC) $(CFLAGS) $(LOCAL_FLAGS) $(LOCAL_CFLAGS) $> $^
+
+$(LOCAL_CPPGCH): %.h.gch : %.h
+	$(HIDE)$(GPP) $(CXXFLAGS) $(LOCAL_FLAGS) $(LOCAL_CPPFLAGS) -x c++-header $> $^
+
+LOCAL_GCH := $(LOCAL_CGCH) $(LOCAL_CPPGCH)
+
+$(LOCAL_OBJS): $(LOCAL_GCH)
+$(APP): $(LOCAL_OBJS)
+	$(HIDE)$(OBJ_MKDIR)
+	$(HIDE)$(GPP) $(LDFLAGS) -o $@ $^
+
+clean:
+	$(HIDE)$(RM) $(APP) $(OBJOUT) $(LOCAL_GCH) *.bak *~
+
+.PHONY: all clean
+
+# clear some variables we set here
+LOCAL_CSRCS :=
+LOCAL_CPPSRCS :=
+LOCAL_ASMSRCS :=
+LOCAL_COBJS :=
+LOCAL_CPPOBJS :=
+LOCAL_ASMOBJS :=
+LOCAL_ASMOBJS2 :=
+
+# LOCAL_OBJS is passed back
+#LOCAL_OBJS :=

apps/config.mk

@@ -27,30 +27,18 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-# common dir config
 include $(LITEOSTOPDIR)/config.mk
 
-# output dir config
-OBJOUT := $(APPSTOPDIR)/out
-APPSOUT := $(OBJOUT)/apps
-LIBSOUT := $(OBJOUT)/libs
-IMGOUT  := $(OUT)
-
 # common flags config
-BASE_OPTS := -ffunction-sections -fdata-sections -fno-omit-frame-pointer -fno-common -fno-strict-aliasing -D_GNU_SOURCE \
-             $(LITEOS_SSP) $(LITEOS_CORE_COPTS) $(WARNING_AS_ERROR) $(LLVM_EXTRA_OPTS) $(LITEOS_GCOV_OPTS)
+BASE_OPTS := -D_FORTIFY_SOURCE=2 -D_XOPEN_SOURCE=700 $(LITEOS_GCOV_OPTS)
 
-CFLAGS := -std=c99 -fno-exceptions $(BASE_OPTS) $(LITEOS_COPTS_OPTMIZE)
-CXXFLAGS := -std=c++11 -fexceptions -fpermissive -frtti $(BASE_OPTS) $(LITEOS_COPTS_OPTMIZE)
-LDCFLAGS  := -lc
-ifeq ($(LOSCFG_COMPILER_CLANG_LLVM), y)
-LLVM_SYSROOT := --sysroot=$(SYSROOT_PATH) $(ARCH_CFLAGS)
-LDCXXFLGS := -lc++ -lc++abi -lc
-else
-BASE_OPTS += -Wl,-z,relro,-z,now
-LDCXXFLGS := -lstdc++ -lsupc++ -lc
-endif
-COMMON_INCLUDE := -I $(LITEOSTHIRDPARTY)/bounds_checking_function/include
+ASFLAGS   :=
+CFLAGS    := $(LITEOS_COPTS) $(BASE_OPTS) -fPIE
+CXXFLAGS  := $(LITEOS_CXXOPTS) $(BASE_OPTS) -fPIE
+LDFLAGS   := $(LITEOS_CORE_COPTS) -pie -Wl,-z,relro,-z,now -O2
+
+CFLAGS    := $(filter-out -fno-pic -fno-builtin -nostdinc -nostdlib,$(CFLAGS))
+CXXFLAGS  := $(filter-out -fno-pic -fno-builtin -nostdinc -nostdlib -nostdinc++,$(CXXFLAGS))
 
 # alias variable config
 HIDE := @
@@ -58,3 +46,35 @@ MAKE := make
 RM := rm -rf
 CP := cp -rf
 MV := mv -f
+
+APP := $(APPSTOPDIR)/app.mk
+
+##build modules config##
+APP_SUBDIRS :=
+
+ifeq ($(LOSCFG_SHELL), y)
+APP_SUBDIRS += shell
+APP_SUBDIRS += mksh
+APP_SUBDIRS += toybox
+endif
+
+ifeq ($(LOSCFG_USER_INIT_DEBUG), y)
+APP_SUBDIRS += init
+endif
+
+ifeq ($(LOSCFG_NET_LWIP_SACK_TFTP), y)
+APP_SUBDIRS += tftp
+endif
+
+ifeq ($(LOSCFG_DRIVERS_TRACE), y)
+APP_SUBDIRS += trace
+endif
+
+# clear all local variables
+LOCAL_FLAGS    :=
+LOCAL_CFLAGS   :=
+LOCAL_CPPFLAGS :=
+LOCAL_ASFLAGS  :=
+LOCAL_SRCS     :=
+LOCAL_CHS      :=
+LOCAL_CPPHS    :=

apps/init/BUILD.gn

@@ -1,5 +1,3 @@
-#!/bin/bash
-#
 # Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
 # Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
 #
@@ -29,31 +27,13 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-set -e
-declare CROSS_COMPILER="$1"
-declare HMOS_TOP_DIR="$2"
-declare gcc_path=${HMOS_TOP_DIR}/../../prebuilts/gcc/linux-x86/arm/arm-linux-ohoseabi-gcc
-declare windows_gcc_path=${HMOS_TOP_DIR}/../../prebuilts/gcc/win-x86/arm/arm-linux-ohoseabi-gcc
-function get_compiler_path()
-{
-    local system=$(uname -s)
-    local user_gcc="${CROSS_COMPILER}"gcc
-    local gcc_install_path=$(which "${user_gcc}")
+import("//kernel/liteos_a/liteos.gni")
 
-    if [ "$system" != "Linux" ] ; then
-        if [ -e "${windows_gcc_path}" ] ; then
-            gcc_install_path=$windows_gcc_path
-        else
-            gcc_install_path=$(dirname $gcc_install_path)/../
-        fi
-    else
-        if [ -e "${gcc_path}" ] ; then
-            gcc_install_path=$gcc_path
-        else
-            gcc_install_path=$(dirname $gcc_install_path)/../
-        fi
-    fi
+executable("init") {
+  sources = [ "src/init.c" ]
 
-    echo "$gcc_install_path"
+  if (defined(LOSCFG_QUICK_START)) {
+    ldflags = [ "--static" ]
+    defines = [ "LOSCFG_QUICK_START" ]
+  }
 }
-get_compiler_path

apps/init/Makefile

@@ -27,43 +27,15 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-INIT_DIR := $(dir $(shell pwd))/init/
+include $(APPSTOPDIR)/config.mk
 
-ifeq ($(APPSTOPDIR), )
-APPSTOPDIR := $(shell pwd)/../
-LITEOSTOPDIR = $(APPSTOPDIR)/../
-endif
-include $(INIT_DIR)/../config.mk
+APP_NAME := $(notdir $(shell pwd))
 
-APPS_OUT := $(OUT)/bin
 LOCAL_SRCS := src/init.c
-LOCAL_OBJ := src/init.o
-
-ifeq ($(LOSCFG_COMPILER_CLANG_LLVM), y)
-LOCAL_FLAGS += -Wno-shift-op-parentheses -Wno-bitwise-op-parentheses -Wnonnull $(LLVM_SYSROOT)
-LDCFLAGS += $(LLVM_EXTRA_LD_OPTS) $(LLVM_SYSROOT)
-endif
 
 ifeq ($(LOSCFG_QUICK_START), y)
-LDCFLAGS += --static
+LDFLAGS += --static
 CFLAGS += -DLOSCFG_QUICK_START
 endif
 
-INITNAME := init
-
-all: $(INITNAME)
-
-$(LOCAL_OBJ): %.o : %.c
-	$(HIDE) $(CC) $(CFLAGS) $(LOCAL_FLAGS) -fPIE $(LOCAL_INCLUDE) -c $< -o $@
-
-$(INITNAME):$(LOCAL_OBJ)
-	$(HIDE) $(CC) -pie -s $(LDPATH) $(BASE_OPTS) -o $(INITNAME) $^ $(LDCFLAGS)
-	$(HIDE) mkdir -p $(APPS_OUT)
-	$(HIDE) $(MV) $(INITNAME) $(APPS_OUT)
-	$(HIDE) $(RM) $(LOCAL_OBJ)
-
-clean:
-	$(HIDE) $(RM) $(LOCAL_OBJ)
-	$(HIDE) $(RM) $(INITNAME)
-
-.PHONY: all $(INITNAME) clean
+include $(APP)

apps/mksh/BUILD.gn

@@ -0,0 +1,99 @@
+# 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("//build/lite/config/component/lite_component.gni")
+import("//kernel/liteos_a/liteos.gni")
+
+group("mksh") {
+  deps = [ ":build_mksh" ]
+}
+
+copy("copy_mksh_src") {
+  sources = [ "$LITEOSTHIRDPARTY/mksh" ]
+  outputs = [ "$target_out_dir/mksh_build" ]
+}
+
+build_ext_component("build_mksh") {
+  deps = [ ":copy_mksh_src" ]
+  deps += [ "//prebuilts/lite/sysroot" ]
+  exec_path = rebase_path("$target_out_dir/mksh_build")
+
+  cflags = [
+    "-flto",
+    "-fdata-sections",
+    "-ffunction-sections",
+    "-fstack-protector-strong",
+    "-D_FORTIFY_SOURCE=2",
+    "-DMKSH_DISABLE_TTY_WARNING",
+    "-DMKSH_SMALL=1",
+    "-DMKSH_ASSUME_UTF8=1",
+    "-DMKSH_SMALL_BUT_FAST=0",
+    "-DMKSH_S_NOVI=1",
+    "-DHAVE_CAN_FSTACKPROTECTORSTRONG=1",
+    "-DMKSH_LESS_CMDLINE_EDITING",
+    "-DMKSH_LESS_BUILDINS",
+    "-DMKSH_NO_INITCOMS",
+    "-DADAPT_FOR_LITEOS_A",
+  ]
+  if (defined(LOSCFG_COMPILER_CLANG_LLVM)) {
+    cflags += [ "-Oz" ]
+  } else {
+    cflags += [ "-O2" ]
+  }
+  cflags = string_join(" ", cflags)
+
+  extra_flags = string_join(" ", target_arch_cflags)
+  if (ohos_build_compiler == "clang") {
+    extra_flags += " --target=$target_triple"
+    extra_flags += " --sysroot=" + rebase_path(ohos_current_sysroot)
+  }
+
+  command = "rm -rf .git && env"
+  command += " CC=\"$ohos_current_cc_command\""
+  command += " TARGET_OS=OpenHarmony"
+  command += " CFLAGS=\"$cflags $extra_flags\""
+  command += " LDFLAGS=\"-Wl,--gc-sections -flto -O2\""
+  command += " sh ./Build.sh -r"
+
+  # copy mksh and .mkshrc to out dir
+  command += " && mkdir -p "
+  command += rebase_path("$root_out_dir/bin", exec_path)
+  command += " && install -D mksh "
+  command += rebase_path("$root_out_dir/unstripped/bin/mksh", exec_path)
+  command += " && $ohos_current_strip_command mksh -o "
+  command += rebase_path("$root_out_dir/bin/mksh", exec_path)
+  command += " && install -D .mkshrc "
+  command += rebase_path("$root_out_dir/etc/.mkshrc", exec_path)
+
+  outputs = [
+    "$root_out_dir/unstripped/bin/mksh",
+    "$root_out_dir/bin/mksh",
+    "$root_out_dir/etc/.mkshrc",
+  ]
+}

apps/mksh/Makefile

@@ -27,52 +27,30 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-MKSH := mksh
+include $(APPSTOPDIR)/config.mk
 
-MKSH_DIR := $(shell pwd)/
-LITEOSTOPDIR = $(MKSH_DIR)/../../
-include $(MKSH_DIR)/../config.mk
+BUILD_DIR := $(OUT)/mksh_build
+BUILD_LOG := $(BUILD_DIR)/build.log
 
-APPS_OUT := $(OUT)/bin
-ETC_OUT := $(OUT)/etc
-BUILD_DIR := $(MKSH_DIR)/build
-BUILD_LOG := $(MKSH_DIR)/build.log
-TARGET_OS := OpenHarmony
+CFLAGS += -DMKSH_DISABLE_TTY_WARNING -DMKSH_SMALL=1 -DMKSH_ASSUME_UTF8=1 -DMKSH_SMALL_BUT_FAST=0 -DMKSH_S_NOVI=1 -DHAVE_CAN_FSTACKPROTECTORSTRONG=1
+CFLAGS += -DMKSH_LESS_CMDLINE_EDITING -DMKSH_LESS_BUILDINS -DMKSH_NO_INITCOMS -DADAPT_FOR_LITEOS_A
+CFLAGS += -Wno-error
+LDFLAGS += -Wl,--gc-sections
 
-LOCAL_CFLAGS := -flto -fdata-sections -ffunction-sections -fstack-protector-strong -D_FORTIFY_SOURCE=2
-LOCAL_CFLAGS += -DMKSH_DISABLE_TTY_WARNING -DMKSH_SMALL=1 -DMKSH_ASSUME_UTF8=1 -DMKSH_SMALL_BUT_FAST=0 -DMKSH_S_NOVI=1 -DHAVE_CAN_FSTACKPROTECTORSTRONG=1
-LOCAL_CFLAGS += -DMKSH_LESS_CMDLINE_EDITING -DMKSH_LESS_BUILDINS -DMKSH_NO_INITCOMS -DADAPT_FOR_LITEOS_A
-LOCAL_LDFLAGS := -Wl,--gc-sections -flto -O2
-
-ifeq ($(LOSCFG_COMPILER_CLANG_LLVM), y)
-LOCAL_CFLAGS += -Oz --target=$(LLVM_TARGET) $(LLVM_SYSROOT)
-else
-LOCAL_CFLAGS += -O2
-endif
-
-all:$(MKSH)
-
-$(MKSH):
+all:
 ifneq ($(wildcard $(BUILD_DIR)/Rebuild.sh),)
 	$(HIDE)echo "not clean, rebuilding now"
-	$(HIDE)chmod +x $(BUILD_DIR)/Rebuild.sh
-	$(HIDE)cd $(BUILD_DIR) && ./Rebuild.sh > $(BUILD_LOG) 2>&1
+	$(HIDE)cd $(BUILD_DIR) && sh ./Rebuild.sh > $(BUILD_LOG) 2>&1
 else
 	$(HIDE)mkdir -p $(BUILD_DIR)
-	$(HIDE)$(CP) $(LITEOSTHIRDPARTY)/$(MKSH)/. $(BUILD_DIR)
-	$(HIDE)chmod +x $(BUILD_DIR)/Build.sh
-	$(HIDE)cd $(BUILD_DIR) && CC=$(CC) TARGET_OS=$(TARGET_OS) CFLAGS="$(LOCAL_CFLAGS)" LDFLAGS="$(LOCAL_LDFLAGS)" ./Build.sh -r > $(BUILD_LOG) 2>&1
+	$(HIDE)$(CP) $(LITEOSTHIRDPARTY)/mksh/. $(BUILD_DIR)
+	$(HIDE)cd $(BUILD_DIR) && CC="$(CC)" TARGET_OS=OpenHarmony CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" sh ./Build.sh -r > $(BUILD_LOG) 2>&1
 endif
-	$(HIDE)$(CP) -rf $(BUILD_DIR)/$(MKSH) .
-	$(HIDE)$(STRIP) $(MKSH)
-	$(HIDE)mkdir -p $(APPS_OUT)
-	$(HIDE)$(CP) $(MKSH) $(APPS_OUT)
-	$(HIDE)mkdir -p $(ETC_OUT)
-	$(HIDE)$(CP) -rf $(BUILD_DIR)/.mkshrc $(ETC_OUT)/
-	$(HIDE)$(RM) $(BUILD_DIR) $(BUILD_LOG)
+	$(HIDE)mkdir -p $(OUT)/bin/ $(OUT)/etc/
+	$(HIDE)$(STRIP) $(BUILD_DIR)/mksh -o $(OUT)/bin/mksh
+	$(HIDE)$(CP) $(BUILD_DIR)/.mkshrc $(OUT)/etc/
 
 clean:
-	$(HIDE)$(RM) $(MKSH) $(BUILD_DIR) $(BUILD_LOG)
+	$(HIDE)$(RM) $(BUILD_DIR)
 
-
-.PHONY: all $(MKSH) clean
+.PHONY: all clean

apps/shell/BUILD.gn

@@ -0,0 +1,44 @@
+# 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_a/liteos.gni")
+
+executable("shell") {
+  sources = [
+    "builtin/cd.c",
+    "src/main.c",
+    "src/shcmd.c",
+    "src/shcmdparse.c",
+    "src/shmsg.c",
+  ]
+
+  deps = [ "$LITEOSTHIRDPARTY/bounds_checking_function:libsec_static" ]
+
+  include_dirs = [ "include" ]
+}

apps/shell/Makefile

@@ -27,52 +27,19 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-SHELL_DIR := $(dir $(shell pwd))/shell/
+include $(APPSTOPDIR)/config.mk
 
-ifeq ($(APPSTOPDIR), )
-APPSTOPDIR := $(shell pwd)/../
-LITEOSTOPDIR = $(APPSTOPDIR)/../
-endif
-include $(SHELL_DIR)/../config.mk
-APPS_OUT := $(OUT)/bin
+APP_NAME := $(notdir $(shell pwd))
 
-SECUREC_INCLUDE := $(LITEOSTHIRDPARTY)/bounds_checking_function/include
+SECUREC_DIR := $(LITEOSTHIRDPARTY)/bounds_checking_function
 
-LOCAL_SRCS = $(wildcard src/main.c)\
-             $(wildcard src/shcmd.c)\
-             $(wildcard src/shmsg.c)\
-             $(wildcard src/shcmdparse.c)\
-             $(wildcard builtin/cd.c)
-LOCAL_SRCS += $(wildcard $(LITEOSTHIRDPARTY)/bounds_checking_function/src/*.c)
-LOCAL_OBJ := $(LOCAL_SRCS:.c=.o)
+LOCAL_SRCS = $(wildcard src/*.c builtin/*.c)
+LOCAL_SRCS += $(wildcard $(SECUREC_DIR)/src/*.c)
 
 LOCAL_INCLUDE := \
-	-I $(SHELL_DIR)/include/ \
-	-I $(SECUREC_INCLUDE)\
+	-I include \
+	-I $(SECUREC_DIR)/include
 
-LOCAL_FLAGS += $(CFLAGS)
+LOCAL_FLAGS += $(LOCAL_INCLUDE)
 
-LDPATH := -L$(SHELL_DIR)/
-ifeq ($(LOSCFG_COMPILER_CLANG_LLVM), y)
-LOCAL_FLAGS += -Wno-shift-op-parentheses -Wno-bitwise-op-parentheses $(LLVM_SYSROOT)
-LDCFLAGS += $(LLVM_EXTRA_LD_OPTS) $(LLVM_SYSROOT)
-endif
-
-SHELLNAME := shell
-
-all: $(SHELLNAME)
-
-$(LOCAL_OBJ): %.o : %.c
-	$(HIDE) $(CC) $(LOCAL_FLAGS) -fPIE $(LOCAL_INCLUDE) -c $< -o $@
-
-$(SHELLNAME): $(LOCAL_OBJ)
-	$(HIDE) $(CC) -pie -s $(LDPATH) $(BASE_OPTS) -o $(SHELLNAME) $^ $(LDCFLAGS)
-	$(HIDE) mkdir -p $(APPS_OUT)
-	$(HIDE) $(MV) $(SHELLNAME) $(APPS_OUT)
-	$(HIDE) $(RM) $(LOCAL_OBJ)
-
-clean:
-	$(HIDE) $(RM) $(LOCAL_OBJ)
-	$(HIDE) $(RM) $(SHELLNAME)
-
-.PHONY: all $(SHELLNAME) clean
+include $(APP)

apps/shell/builtin/cd.c

@@ -29,9 +29,7 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef  _GNU_SOURCE
 #define _GNU_SOURCE
-#endif
 
 #include "unistd.h"
 #include "shcmd.h"

apps/shell/include/shmsg.h

@@ -43,8 +43,13 @@ extern "C" {
 #define SHELL_ENTRY_STACKSIZE   0x1000
 #define SHELL_TASK_STACKSIZE    0x3000
 
-#define SHELL_EXEC_COMMAND          "exec "
-#define SHELL_EXEC_COMMAND_BYTES    5
+#define SHELL_EXEC_COMMAND          "exec"
+#define SHELL_EXEC_COMMAND_BYTES    4
+#define CMD_EXEC_COMMAND            SHELL_EXEC_COMMAND" "
+#define CMD_EXEC_COMMAND_BYTES      (SHELL_EXEC_COMMAND_BYTES+1)
+#define CMD_EXIT_COMMAND            "exit"
+#define CMD_EXIT_COMMAND_BYTES      4
+#define CMD_EXIT_CODE_BASE_DEC      10
 
 #define CONSOLE_IOC_MAGIC   'c'
 #define CONSOLE_CONTROL_REG_USERTASK _IO(CONSOLE_IOC_MAGIC, 7)
@@ -57,6 +62,7 @@ extern "C" {
 typedef void (*OutputFunc)(const char *fmt, ...);
 extern int ShellTaskInit(ShellCB *shellCB);
 extern int ShellEntryInit(ShellCB *shellCB);
+extern void ChildExec(const char *cmdName, char *const paramArray[]);
 extern void ShellCmdLineParse(char c, OutputFunc outputFunc, ShellCB *shellCB);
 extern int ShellNotify(ShellCB *shellCB);
 

apps/shell/include/show.h

@@ -42,10 +42,10 @@ extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-extern char *OsShellGetWorkingDirtectory();
-extern unsigned int OsShellInit();
+extern char *OsShellGetWorkingDirtectory(void);
+extern unsigned int OsShellInit(void);
 extern int OsShellDeinit(ShellCB *shellCB);
-extern ShellCB *OsGetShellCb();
+extern ShellCB *OsGetShellCb(void);
 
 #ifdef __cplusplus
 #if __cplusplus

apps/shell/src/main.c

@@ -29,13 +29,15 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _GNU_SOURCE
+
 #include "show.h"
 #include "shmsg.h"
 #include "shcmd.h"
 #include "semaphore.h"
 #include "securec.h"
 #include "unistd.h"
-
+#include <sys/syscall.h>
 
 ShellCB *g_shellCB = NULL;
 
@@ -88,11 +90,47 @@ OUT:
     return ret;
 }
 
-int main()
+static int DoShellExec(char **argv)
+{
+    int i, j;
+    int len = 0;
+    int ret = SH_NOK;
+    char *cmdLine = NULL;
+
+    if (strncmp(argv[0], SHELL_EXEC_COMMAND, SHELL_EXEC_COMMAND_BYTES) == 0) {
+        ChildExec(argv[1], argv + 1);
+    }
+    for (i = 0; argv[i]; i++) {
+        len += strlen(argv[i]);
+    }
+    len += i + 1;
+    cmdLine = (char *)malloc(len);
+    if (!cmdLine) {
+        return ret;
+    }
+    memset_s(cmdLine, len, 0, len);
+
+    for(j = 0; j < i; j++) {
+        strcat_s(cmdLine, len,  argv[j]);
+        strcat_s(cmdLine, len, " ");
+    }
+
+    cmdLine[len - 2] = '\0';
+    ret = syscall(__NR_shellexec, argv[0], cmdLine);
+    free(cmdLine);
+    return ret;
+}
+
+int main(int argc, char **argv)
 {
     int ret = SH_NOK;
     ShellCB *shellCB = NULL;
 
+    if (argc > 1) {
+        ret = DoShellExec(argv + 1);
+        return ret;
+    }
+
     setbuf(stdout, NULL);
 
     shellCB = (ShellCB *)malloc(sizeof(ShellCB));

apps/shell/src/shmsg.c

@@ -29,6 +29,8 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
+#define _GNU_SOURCE
+
 #include "stdlib.h"
 #include "stdio.h"
 #include "unistd.h"
@@ -42,7 +44,10 @@
 #include "shell_pri.h"
 #include "shcmd.h"
 
+#define CHAR_CTRL_C   '\x03'
+#define CHAR_CTRL_DEL '\x7F'
 
+#define VISIABLE_CHAR(ch) ((ch) > 0x1F && (ch) < 0x7F)
 
 char *GetCmdline(ShellCB *shellCB)
 {
@@ -200,7 +205,21 @@ void ParseEnterKey(OutputFunc outputFunc, ShellCB *shellCB)
         shellCB->shellBuf[shellCB->shellBufOffset] = '\0';
     }
 NOTIFY:
-    outputFunc("\n");
+    shellCB->shellBufOffset = 0;
+    ShellTaskNotify(shellCB);
+}
+
+void ParseCancelKey(OutputFunc outputFunc, ShellCB *shellCB)
+{
+    if ((shellCB == NULL) || (outputFunc == NULL)) {
+        return;
+    }
+
+    if (shellCB->shellBufOffset <= (SHOW_MAX_LEN - 1)) {
+        shellCB->shellBuf[0] = CHAR_CTRL_C;
+        shellCB->shellBuf[1] = '\0';
+    }
+
     shellCB->shellBufOffset = 0;
     ShellTaskNotify(shellCB);
 }
@@ -236,7 +255,7 @@ void ParseTabKey(OutputFunc outputFunc, ShellCB *shellCB)
 
 void ParseNormalChar(char ch, OutputFunc outputFunc, ShellCB *shellCB)
 {
-    if ((shellCB == NULL) || (outputFunc == NULL)) {
+    if ((shellCB == NULL) || (outputFunc == NULL) || !VISIABLE_CHAR(ch)) {
         return;
     }
 
@@ -254,7 +273,7 @@ void ShellCmdLineParse(char c, OutputFunc outputFunc, ShellCB *shellCB)
     const char ch = c;
     int ret;
 
-    if ((shellCB->shellBufOffset == 0) && (ch != '\n') && (ch != '\0')) {
+    if ((shellCB->shellBufOffset == 0) && (ch != '\n') && (ch != CHAR_CTRL_C) && (ch != '\0')) {
         (void)memset_s(shellCB->shellBuf, SHOW_MAX_LEN, 0, SHOW_MAX_LEN);
     }
 
@@ -263,8 +282,11 @@ void ShellCmdLineParse(char c, OutputFunc outputFunc, ShellCB *shellCB)
         case '\n': /* enter */
             ParseEnterKey(outputFunc, shellCB);
             break;
+        case CHAR_CTRL_C: /* ctrl + c */
+            ParseCancelKey(outputFunc, shellCB);
+            break;
         case '\b': /* backspace */
-        case 0x7F: /* delete(0x7F) */
+        case CHAR_CTRL_DEL: /* delete(0x7F) */
             ParseDeleteKey(outputFunc, shellCB);
             break;
         case '\t': /* tab */
@@ -329,40 +351,80 @@ char *GetCmdName(const char *cmdline, unsigned int len)
     return cmdName;
 }
 
+void ChildExec(const char *cmdName, char *const paramArray[])
+{
+    int ret;
+    pid_t gid;
+
+    ret = setpgrp();
+    if (ret == -1) {
+        exit(1);
+    }
+
+    gid = getpgrp();
+    if (gid < 0) {
+        printf("get group id failed, pgrpid %d, errno %d\n", gid, errno);
+    }
+
+    ret = tcsetpgrp(STDIN_FILENO, gid);
+    if (ret != 0) {
+        printf("tcsetpgrp failed, errno %d\n", errno);
+    }
+
+    ret = execve(cmdName, paramArray, NULL);
+    if (ret == -1) {
+        perror("execve");
+        exit(-1);
+    }
+}
+
+int CheckExit(const char *cmdName, const CmdParsed *cmdParsed)
+{
+    int ret = 0;
+
+    if (strlen(cmdName) != CMD_EXIT_COMMAND_BYTES || strncmp(cmdName, CMD_EXIT_COMMAND, CMD_EXIT_COMMAND_BYTES) != 0) {
+        return 0;
+    }
+
+    if (cmdParsed->paramCnt > 1) {
+        printf("exit: too many arguments\n");
+        return -1;
+    }
+    if (cmdParsed->paramCnt == 1) {
+        char *p;
+        ret = strtol(cmdParsed->paramArray[0], &p, CMD_EXIT_CODE_BASE_DEC);
+        if (*p != '\0') {
+            printf("exit: bad number: %s\n", cmdParsed->paramArray[0]);
+            return -1;
+        }
+    }
+
+    exit(ret);
+}
+
 static void DoCmdExec(const char *cmdName, const char *cmdline, unsigned int len, const CmdParsed *cmdParsed)
 {
     int ret;
     pid_t forkPid;
-    pid_t gid;
 
-    if (strncmp(cmdline, SHELL_EXEC_COMMAND, SHELL_EXEC_COMMAND_BYTES) == 0) {
+    if (strncmp(cmdline, CMD_EXEC_COMMAND, CMD_EXEC_COMMAND_BYTES) == 0) {
         forkPid = fork();
         if (forkPid < 0) {
             printf("Faild to fork from shell\n");
             return;
         } else if (forkPid == 0) {
-            ret = setpgrp();
-            if (ret == -1) {
-                exit(1);
-            }
-
-            gid = getpgrp();
-            if (gid < 0) {
-                printf("get group id failed, pgrpid %d, errno %d\n", gid, errno);
-            }
-
-            ret = tcsetpgrp(STDIN_FILENO, gid);
+            ChildExec(cmdParsed->paramArray[0], cmdParsed->paramArray);
+        } else {
+            waitpid(forkPid, 0, 0);
+            ret = tcsetpgrp(STDIN_FILENO, getpid());
             if (ret != 0) {
                 printf("tcsetpgrp failed, errno %d\n", errno);
             }
-
-            ret = execve((const char *)cmdParsed->paramArray[0], (char * const *)cmdParsed->paramArray, NULL);
-            if (ret == -1) {
-                perror("execve");
-                exit(-1);
-            }
         }
     } else {
+        if (CheckExit(cmdName, cmdParsed) < 0) {
+            return;
+        }
         (void)syscall(__NR_shellexec, cmdName, cmdline);
     }
 }
@@ -417,7 +479,7 @@ unsigned int PreHandleCmdline(const char *input, char **output, unsigned int *ou
     unsigned int removeLen = strlen("./"); /* "./" needs to be removed if it exists */
     unsigned int ret;
     char *newCmd = NULL;
-    char *execCmd = SHELL_EXEC_COMMAND;
+    char *execCmd = CMD_EXEC_COMMAND;
     const char *cmdBuf = input;
     unsigned int cmdBufLen = strlen(cmdBuf);
     char *shiftStr = (char *)malloc(cmdBufLen + 1);
@@ -520,7 +582,11 @@ static void ShellCmdProcess(ShellCB *shellCB)
         if (buf == NULL) {
             break;
         }
-
+        if (buf[0] == CHAR_CTRL_C) {
+            printf("^C");
+            buf[0] = '\n';
+        }
+        printf("\n");
         ExecCmdline(buf);
         ShellSaveHistoryCmd(buf, shellCB);
         shellCB->cmdMaskKeyLink = shellCB->cmdHistoryKeyLink;

apps/tftp/BUILD.gn

@@ -0,0 +1,41 @@
+# 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_a/liteos.gni")
+
+executable("tftp") {
+  sources = [
+    "src/main.c",
+    "src/tftpc.c",
+  ]
+
+  deps = [ "$LITEOSTHIRDPARTY/bounds_checking_function:libsec_static" ]
+
+  include_dirs = [ "include" ]
+}

apps/tftp/Makefile

@@ -27,51 +27,19 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-ROOT_DIR := $(dir $(shell pwd))/tftp/
+include $(APPSTOPDIR)/config.mk
 
-ifeq ($(APPSTOPDIR), )
-APPSTOPDIR := $(shell pwd)/../
-LITEOSTOPDIR = $(APPSTOPDIR)/../
-endif
-include $(ROOT_DIR)/../config.mk
-APPS_OUT := $(OUT)/bin
+APP_NAME := $(notdir $(shell pwd))
 
 SECUREC_DIR := $(LITEOSTHIRDPARTY)/bounds_checking_function
 
 LOCAL_SRCS = $(wildcard src/*.c)
-LOCAL_SRCS += $(wildcard $(SECUREC_DIR)/src/strncpy_s.c)
-LOCAL_SRCS += $(wildcard $(SECUREC_DIR)/src/memcpy_s.c)
-LOCAL_SRCS += $(wildcard $(SECUREC_DIR)/src/memset_s.c)
-LOCAL_SRCS += $(wildcard $(SECUREC_DIR)/src/strncat_s.c)
-LOCAL_OBJ := $(LOCAL_SRCS:.c=.o)
+LOCAL_SRCS += $(wildcard $(SECUREC_DIR)/src/*.c)
 
 LOCAL_INCLUDE := \
-	-I $(ROOT_DIR)/include/ \
-	-I $(SECUREC_DIR)/include/\
+	-I include \
+	-I $(SECUREC_DIR)/include
 
-LOCAL_FLAGS += $(CFLAGS)
+LOCAL_FLAGS += $(LOCAL_INCLUDE)
 
-LDPATH := -L$(ROOT_DIR)/
-ifeq ($(LOSCFG_COMPILER_CLANG_LLVM), y)
-LOCAL_FLAGS += -Wno-shift-op-parentheses -Wno-bitwise-op-parentheses $(LLVM_SYSROOT)
-LDCFLAGS += $(LLVM_EXTRA_LD_OPTS) $(LLVM_SYSROOT)
-endif
-
-TARGETNAME := tftp
-
-all: $(TARGETNAME)
-
-$(LOCAL_OBJ): %.o : %.c
-	$(HIDE) $(CC) $(LOCAL_FLAGS) -fPIE $(LOCAL_INCLUDE) -c $< -o $@
-
-$(TARGETNAME): $(LOCAL_OBJ)
-	$(HIDE) $(CC) -pie -s $(LDPATH) $(BASE_OPTS) -o $(TARGETNAME) $^ $(LDCFLAGS)
-	$(HIDE) mkdir -p $(APPS_OUT)
-	$(HIDE) $(MV) $(TARGETNAME) $(APPS_OUT)
-	$(HIDE) $(RM) $(LOCAL_OBJ)
-
-clean:
-	$(HIDE) $(RM) $(LOCAL_OBJ)
-	$(HIDE) $(RM) $(TARGETNAME)
-
-.PHONY: all $(TARGETNAME) clean
+include $(APP)

apps/toybox/BUILD.gn

@@ -0,0 +1,80 @@
+# 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("//build/lite/config/component/lite_component.gni")
+import("//kernel/liteos_a/liteos.gni")
+
+group("toybox") {
+  deps = [ ":build_toybox" ]
+}
+
+copy("copy_toybox_src") {
+  sources = [ "$LITEOSTHIRDPARTY/toybox" ]
+  outputs = [ "$target_out_dir/toybox_build" ]
+}
+
+copy("copy_toybox_config") {
+  deps = [ ":copy_toybox_src" ]
+  sources = [ "liteos_a_custom.config" ]
+  outputs = [ "$target_out_dir/{{source_file_part}}" ]
+}
+
+build_ext_component("build_toybox") {
+  deps = [ ":copy_toybox_src", ":copy_toybox_config" ]
+  deps += [ "//prebuilts/lite/sysroot" ]
+  exec_path = rebase_path("$target_out_dir/toybox_build")
+
+  cflags = [
+    "-fstack-protector-strong",
+    "-D_FORTIFY_SOURCE=2",
+  ]
+  cflags = string_join(" ", cflags)
+
+  extra_flags = string_join(" ", target_arch_cflags)
+  if (ohos_build_compiler == "clang") {
+    extra_flags += " --target=$target_triple"
+    extra_flags += " --sysroot=" + rebase_path(ohos_current_sysroot)
+  }
+
+  command = "rm -rf .git && cp -rfp porting/liteos_a/. . && env"
+  command += " CC=\"$ohos_current_cc_command\""
+  command += " STRIP=\"$ohos_current_strip_command\""
+  command += " OUTNAME=toybox"
+  command += " CFLAGS=\"$cflags $extra_flags\""
+  command += " make toybox"
+  command += " && install -D toybox "
+  command += rebase_path("$root_out_dir/bin/toybox", exec_path)
+  command += " && install -D generated/unstripped/toybox "
+  command += rebase_path("$root_out_dir/unstripped/bin/toybox", exec_path)
+
+  outputs = [
+    "$root_out_dir/unstripped/bin/toybox",
+    "$root_out_dir/bin/toybox",
+  ]
+}

apps/toybox/Makefile

@@ -27,42 +27,27 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-TOYBOX:= toybox
+include $(APPSTOPDIR)/config.mk
 
-TOYBOX_DIR := $(shell pwd)
-LITEOSTOPDIR = $(TOYBOX_DIR)/../../
-include $(TOYBOX_DIR)/../config.mk
+BUILD_DIR := $(OUT)/toybox_build
+BUILD_LOG := $(BUILD_DIR)/build.log
 
-APPS_OUT := $(OUT)/bin
-BUILD_DIR := $(TOYBOX_DIR)/build
-BUILD_LOG := $(TOYBOX_DIR)/build.log
-OUTNAME := $(TOYBOX)
+CFLAGS += -Wno-error
 
-CFLAGS := -D_FORTIFY_SOURCE=2 -fstack-protector-strong
-LDFLAGS :=
-ifeq ($(LOSCFG_COMPILER_CLANG_LLVM), y)
-CFLAGS += --target=$(LLVM_TARGET) $(LLVM_SYSROOT)
-LDFLAGS += --target=$(LLVM_TARGET) $(LLVM_SYSROOT)
-endif
-
-$(TOYBOX):
+all:
 ifneq ($(wildcard $(BUILD_DIR)),)
-	$(HIDE)echo "not clean, rebuilding now";
+	$(HIDE)echo "not clean, rebuilding now"
 else
-	$(HIDE)mkdir $(BUILD_DIR)
-	$(HIDE)$(CP) $(LITEOSTHIRDPARTY)/$(TOYBOX)/. $(BUILD_DIR)
-	$(HIDE)$(CP) -p $(LITEOSTHIRDPARTY)/$(TOYBOX)/porting/liteos_a/. $(BUILD_DIR)
+	$(HIDE)mkdir -p $(BUILD_DIR)
+	$(HIDE)$(CP) $(LITEOSTHIRDPARTY)/toybox/. $(BUILD_DIR)
+	$(HIDE)$(CP) $(LITEOSTHIRDPARTY)/toybox/porting/liteos_a/. $(BUILD_DIR)
+	$(HIDE)$(CP) liteos_a_custom.config $(BUILD_DIR)/../
 endif
-
-	$(HIDE)CFLAGS="$(CFLAGS)" CC="$(CC)" OUTNAME="$(OUTNAME)" \
-	LDFLAGS="$(LDFLAGS)" STRIP="$(STRIP)" \
+	$(HIDE)unset KCONFIG_CONFIG CROSS_COMPILE && \
+	env CC="$(CC)" OUTNAME="$(OUT)/bin/toybox" CFLAGS="$(CFLAGS)" LDFLAGS="$(LDFLAGS)" STRIP="$(STRIP)" \
 	make -C $(BUILD_DIR) toybox -j> $(BUILD_LOG) 2>&1
-	$(HIDE)$(CP) $(BUILD_DIR)/$(TOYBOX) .
-	$(HIDE)mkdir -p $(APPS_OUT)
-	$(HIDE)$(CP) $(TOYBOX) $(APPS_OUT)
-	$(HIDE)$(RM) $(BUILD_DIR) $(BUILD_LOG)
 
 clean:
-	$(HIDE)$(RM) $(TOYBOX) $(BUILD_DIR) $(BUILD_LOG)
+	$(HIDE)$(RM) $(BUILD_DIR)
 
-.PHONY: all $(TOYBOX) clean
+.PHONY: all clean

apps/toybox/liteos_a_custom.config

@@ -1,7 +1,6 @@
-CONFIG_GETTY=y
-CONFIG_MDEV=y
-CONFIG_MDEV_CONF=y
+# CONFIG_BASENAME is not set
 # CONFIG_CAL is not set
+# CONFIG_CAT is not set
 # CONFIG_CATV is not set
 # CONFIG_CKSUM is not set
 # CONFIG_CRC32 is not set
@@ -13,6 +12,7 @@ CONFIG_MDEV_CONF=y
 # CONFIG_CUT is not set
 # CONFIG_DF is not set
 # CONFIG_DIRNAME is not set
+# CONFIG_ECHO is not set
 # CONFIG_ENV is not set
 # CONFIG_EXPAND is not set
 # CONFIG_FALSE is not set
@@ -128,7 +128,6 @@ CONFIG_MDEV_CONF=y
 # CONFIG_READAHEAD is not set
 # CONFIG_READLINK is not set
 # CONFIG_REALPATH is not set
-# CONFIG_REBOOT is not set
 # CONFIG_RESET is not set
 # CONFIG_REV is not set
 # CONFIG_RMMOD is not set
@@ -179,3 +178,9 @@ CONFIG_MDEV_CONF=y
 # CONFIG_SEQ is not set
 # CONFIG_SU is not set
 # CONFIG_SYNC is not set
+#
+# pending (see toys/pending/README)
+#
+# CONFIG_GETTY is not set
+# CONFIG_MDEV is not set
+# CONFIG_MDEV_CONF is not set

apps/trace/BUILD.gn

@@ -27,8 +27,8 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-DYNLOADTESTDIR := $(LITEOSTOPDIR)/test/kernel/sample/kernel_extend/dynload
-export DYNLOADTESTDIR
+import("//kernel/liteos_a/liteos.gni")
 
-##### command to test dynload #####
--include $(DYNLOADTESTDIR)/test_dynload.mk
+executable("trace") {
+  sources = [ "src/trace.c" ]
+}

apps/trace/Makefile

@@ -0,0 +1,36 @@
+# 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 $(APPSTOPDIR)/config.mk
+
+APP_NAME := $(notdir $(shell pwd))
+
+LOCAL_SRCS := src/trace.c
+
+include $(APP)

apps/trace/src/trace.c

@@ -0,0 +1,135 @@
+/*
+ * 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 <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/mman.h>
+#include <stdint.h>
+
+#define TRACE_IOC_MAGIC     'T'
+#define TRACE_START         _IO(TRACE_IOC_MAGIC, 1)
+#define TRACE_STOP          _IO(TRACE_IOC_MAGIC, 2)
+#define TRACE_RESET         _IO(TRACE_IOC_MAGIC, 3)
+#define TRACE_DUMP          _IO(TRACE_IOC_MAGIC, 4)
+#define TRACE_SET_MASK      _IO(TRACE_IOC_MAGIC, 5)
+
+#define TRACE_USR_MAX_PARAMS 3
+typedef struct {
+    unsigned int eventType;
+    uintptr_t identity;
+    uintptr_t params[TRACE_USR_MAX_PARAMS];
+} UsrEventInfo;
+
+static void TraceUsage(void)
+{
+    printf("\nUsage: ./trace [start] Start to trace events.\n");
+    printf("\nUsage: ./trace [stop] Stop trace.\n");
+    printf("\nUsage: ./trace [reset] Clear the trace record buffer.\n");
+    printf("\nUsage: ./trace [dump 0/1] Format printf trace data,"
+                "0/1 stands for whether to send data to studio for analysis.\n");
+    printf("\nUsage: ./trace [mask num] Set trace filter event mask.\n");
+    printf("\nUsage: ./trace [read nBytes] Read nBytes raw data from trace buffer.\n");
+    printf("\nUsage: ./trace [write type id params..] Write a user event, no more than 3 parameters.\n");
+}
+
+static void TraceRead(int fd, size_t size)
+{
+    ssize_t i;
+    ssize_t len;
+    char *buffer = (char *)malloc(size);
+    if (buffer == NULL) {
+        printf("Read buffer malloc failed.\n");
+        return;
+    }
+
+    len = read(fd, buffer, size);
+    for (i = 0; i < len; i++) {
+        printf("%02x ", buffer[i] & 0xFF);
+    }
+    printf("\n");
+    free(buffer);
+}
+
+static void TraceWrite(int fd, int argc, char **argv)
+{
+    int i;
+    UsrEventInfo info = {0};
+    info.eventType = strtoul(argv[2], NULL, 0);
+    info.identity = strtoul(argv[3], NULL, 0);
+    int paramNum = (argc - 4) > TRACE_USR_MAX_PARAMS ? TRACE_USR_MAX_PARAMS : (argc - 4);
+    
+    for (i = 0; i < paramNum; i++) {
+        info.params[i] = strtoul(argv[4 + i], NULL, 0);
+    }
+    (void)write(fd, &info, sizeof(UsrEventInfo));
+}
+
+int main(int argc, char **argv)
+{
+    int fd = open("/dev/trace", O_RDWR);
+    if (fd == -1) {
+        printf("Trace open failed.\n");
+        exit(EXIT_FAILURE);
+    }
+
+    if (argc == 1) {
+        TraceUsage();
+    } else if (argc == 2 && strcmp(argv[1], "start") == 0) {
+        ioctl(fd, TRACE_START, NULL);
+    } else if (argc == 2 && strcmp(argv[1], "stop") == 0) {
+        ioctl(fd, TRACE_STOP, NULL);
+    } else if (argc == 2 && strcmp(argv[1], "reset") == 0) {
+        ioctl(fd, TRACE_RESET, NULL);
+    } else if (argc == 3 && strcmp(argv[1], "mask") == 0) {
+        size_t mask = strtoul(argv[2], NULL, 0);
+        ioctl(fd, TRACE_SET_MASK, mask);
+    } else if (argc == 3 && strcmp(argv[1], "dump") == 0) {
+        size_t flag = strtoul(argv[2], NULL, 0);
+        ioctl(fd, TRACE_DUMP, flag);
+    } else if (argc == 3 && strcmp(argv[1], "read") == 0) {
+        size_t size = strtoul(argv[2], NULL, 0);
+        TraceRead(fd, size);
+    } else if (argc >= 4 && strcmp(argv[1], "write") == 0) {
+        TraceWrite(fd, argc, argv);
+    } else {
+        printf("Unsupported trace command.\n");
+        TraceUsage();
+    }
+
+    close(fd);
+    return 0;
+}

arch/BUILD.gn

@@ -27,20 +27,18 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-APP_SUBDIRS :=
+import("//kernel/liteos_a/liteos.gni")
 
-##build modules config##
+group("arch") {
+  deps = []
+  if (defined(LOSCFG_ARCH_ARM)) {
+    deps += [ "arm" ]
+  }
+}
 
-ifeq ($(LOSCFG_SHELL), y)
-APP_SUBDIRS += shell
-APP_SUBDIRS += mksh
-APP_SUBDIRS += toybox
-endif
-
-ifeq ($(LOSCFG_USER_INIT_DEBUG), y)
-APP_SUBDIRS += init
-endif
-
-ifeq ($(LOSCFG_NET_LWIP_SACK_TFTP), y)
-APP_SUBDIRS += tftp
-endif
+config("public") {
+  configs = []
+  if (defined(LOSCFG_ARCH_ARM)) {
+    configs += [ "arm:public" ]
+  }
+}

arch/arm/BUILD.gn

@@ -0,0 +1,40 @@
+# 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_a/liteos.gni")
+
+group("arm") {
+  deps = [ "gic" ]
+  deps += [ ARCH ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
+  configs = [ "$ARCH:public" ]
+}

arch/arm/arm.mk

@@ -36,15 +36,15 @@ LOSCFG_ARCH_FPU_STRIP   := $(subst $\",,$(LOSCFG_ARCH_FPU))
 LOSCFG_ARCH_FPU          = $(LOSCFG_ARCH_FPU_STRIP)
 
 ifeq ($(LOSCFG_ARCH_ARM_AARCH32), y)
-LITEOS_ARCH_ARM         := arm
+ARCH                    := arm
 else ifeq ($(LOSCFG_ARCH_ARM_AARCH64), y)
-LITEOS_ARCH_ARM         := 
+ARCH                    := aarch64
 endif
 
 LITEOS_BASELIB          += -l$(LOSCFG_ARCH_CPU)
 LITEOS_BASELIB          += -lgic
 
-LIB_SUBDIRS             += arch/arm/$(LITEOS_ARCH_ARM)
+LIB_SUBDIRS             += arch/arm/$(ARCH)
 LIB_SUBDIRS             += arch/arm/gic
 
 # CPU compile options
@@ -66,17 +66,14 @@ LITEOS_GCCLIB           := $(subst cortex-,,$(LOSCFG_ARCH_CPU))_softfp_$(LOSCFG_
 endif
 
 LITEOS_CORE_COPTS        = $(or $(ARCH_CFLAGS),$(LITEOS_CPU_OPTS) $(LITEOS_FLOAT_OPTS) $(LITEOS_FPU_OPTS))
-LITEOS_INTERWORK        += $(LITEOS_CORE_COPTS)
-LITEOS_NODEBUG          += $(LITEOS_CORE_COPTS)
 LITEOS_ASOPTS           += $(LITEOS_CPU_OPTS)
 LITEOS_CXXOPTS_BASE     += $(LITEOS_CORE_COPTS)
 
 ARCH_INCLUDE            := -I $(LITEOSTOPDIR)/arch/arm/include \
-                           -I $(LITEOSTOPDIR)/arch/arm/$(LITEOS_ARCH_ARM)/include \
-                           -I $(LITEOSTOPDIR)/arch/arm/$(LITEOS_ARCH_ARM)/src/include
+                           -I $(LITEOSTOPDIR)/arch/arm/$(ARCH)/include \
+                           -I $(LITEOSTOPDIR)/arch/arm/$(ARCH)/src/include
 
 LITEOS_PLATFORM_INCLUDE += $(ARCH_INCLUDE)
-LITEOS_CXXINCLUDE       += $(ARCH_INCLUDE)
 
 # expose FPU info to assembly code
 ifeq ($(LOSCFG_ARCH_FPU_DISABLE), y)
@@ -86,17 +83,3 @@ else ifeq ($(LOSCFG_ARCH_FPU_VFP_D16), y)
 else ifeq ($(LOSCFG_ARCH_FPU_VFP_D32), y)
     LITEOS_CMACRO       += -DLOSCFG_ARCH_FPU_VFP_D32
 endif
-
-# extra definition for other module
-LITEOS_CPU_TYPE          = $(LOSCFG_ARCH_CPU)
-LITEOS_ARM_ARCH         := -march=$(subst $\",,$(LOSCFG_ARCH_ARM_VER))
-
-# linux style macros
-LINUX_ARCH_$(LOSCFG_ARCH_ARM_V7A) = -D__LINUX_ARM_ARCH__=7
-LINUX_ARCH_$(LOSCFG_ARCH_ARM_V7R) = -D__LINUX_ARM_ARCH__=7
-LINUX_ARCH_$(LOSCFG_ARCH_ARM_V7M) = -D__LINUX_ARM_ARCH__=7
-LINUX_ARCH_$(LOSCFG_ARCH_ARM_V8A) = -D__LINUX_ARM_ARCH__=8
-LINUX_ARCH_$(LOSCFG_ARCH_ARM_V8R) = -D__LINUX_ARM_ARCH__=8
-LINUX_ARCH_$(LOSCFG_ARCH_ARM_V8M) = -D__LINUX_ARM_ARCH__=8
-
-AS_OBJS_LIBC_FLAGS      += $(LINUX_ARCH_y)

arch/arm/arm/BUILD.gn

@@ -27,34 +27,64 @@
 # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
-############### this is a makefile that you can config it ###############
--include $(LITEOSTOPDIR)/tools/build/mk/los_config.mk
+import("//kernel/liteos_a/liteos.gni")
 
-TOP_LD_PATH      = $(LITEOSTOPDIR)
-SCRIPTS_PATH     = $(LITEOS_SCRIPTPATH)
-LITEOS_MK_PATH   = $(MK_PATH)
-LITEOS_SUBDIRS   = $(LIB_SUBDIRS)
-LIB_BIGODIR      = $(LITEOS_LIB_BIGODIR)
+module_name = LOSCFG_ARCH_CPU
+kernel_module(module_name) {
+  sources = [
+    "src/arm_generic_timer.c",
+    "src/clear_user.S",
+    "src/hw_user_get.S",
+    "src/hw_user_put.S",
+    "src/jmp.S",
+    "src/los_arch_mmu.c",
+    "src/los_asid.c",
+    "src/los_dispatch.S",
+    "src/los_exc.c",
+    "src/los_hw.c",
+    "src/los_hw_exc.S",
+    "src/los_hw_runstop.S",
+    "src/los_hw_tick.c",
+    "src/los_hwi.c",
+    "src/strncpy_from_user.c",
+    "src/strnlen_user.c",
+    "src/user_copy.c",
+    "src/smp.c",
+  ]
 
-##### liteos tables -u ldflags #####
--include $(LITEOS_MK_PATH)/liteos_tables_ldflags.mk
+  if (LOSCFG_ARCH_ARM_VER == "armv7-a") {
+    sources += [ "src/armv7a/cache.S" ]
+  }
 
+  if (defined(LOSCFG_KERNEL_SMP)) {
+    sources += [ "src/startup/reset_vector_mp.S" ]
+  } else {
+    sources += [ "src/startup/reset_vector_up.S" ]
+  }
 
-LITEOS_COPTS   := $(LITEOS_COPTS_DEBUG) $(LITEOS_COPTS_BASE)  \
-                  $(LITEOS_COPTS_EXTRA) $(LITEOS_CORE_COPTS)
-LITEOS_CXXOPTS  := $(LITEOS_CXXOPTS_BASE)
-LITEOS_INCLUDE  := $(LITEOS_KERNEL_INCLUDE)  $(LITEOS_EXTKERNEL_INCLUDE) \
-                   $(LITEOS_COMPAT_INCLUDE)  $(LITEOS_FS_INCLUDE) \
-                   $(LITEOS_NET_INCLUDE)     $(LITEOS_LIB_INCLUDE) \
-                   $(LITEOS_DRIVERS_INCLUDE) $(LOSCFG_TOOLS_DEBUG_INCLUDE) \
-                   $(LITEOS_PLATFORM_INCLUDE)
-LITEOS_LIBDEP   := $(LITEOS_BASELIB)
-LITEOS_ASFLAGS  := $(LITEOS_ASOPTS)      $(LITEOS_INCLUDE)
-LITEOS_CFLAGS   := $(LITEOS_COPTS)       $(LITEOS_CMACRO) \
-                   $(LITEOS_CMACRO_TEST) $(LITEOS_IMAGE_MACRO) \
-                   $(LITEOS_INCLUDE)
-LITEOS_CXXFLAGS := $(LITEOS_CXXOPTS)     $(LITEOS_CXXMACRO) \
-                   $(LITEOS_CMACRO)      $(LITEOS_CXXINCLUDE)
-LITEOS_LDFLAGS  := $(LITEOS_LD_OPTS)     $(LITEOS_LD_PATH) \
-                   $(LITEOS_LD_SCRIPT)
+  include_dirs = [ "src/include" ]
 
+  if (defined(LOSCFG_GDB)) {
+    configs += [ ":as_objs_libc_flags" ]
+  }
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [
+    "include",
+    "src/include",
+  ]
+}
+
+config("as_objs_libc_flags") {
+  defines = [ "__ASSEMBLY__" ]
+
+  # linux style macros
+  if (defined(LOSCFG_ARCH_ARM_V7A) || defined(LOSCFG_ARCH_ARM_V7R) || defined(LOSCFG_ARCH_ARM_V7M)) {
+    defines += [ "__LINUX_ARM_ARCH__=7" ]
+  } else if (defined(LOSCFG_ARCH_ARM_V8A) || defined(LOSCFG_ARCH_ARM_V8R) || defined(LOSCFG_ARCH_ARM_V8M)) {
+    defines += [ "__LINUX_ARM_ARCH__=8" ]
+  }
+}

arch/arm/arm/Makefile

@@ -38,7 +38,7 @@ LOCAL_INCLUDE := \
 	-I $(LITEOSTOPDIR)/kernel/extended/dynload/include \
 	-I $(LITEOSTOPDIR)/arch/arm/arm/include \
 
-ifeq ($(LITEOS_ARM_ARCH), -march=armv7-a)
+ifeq ($(LOSCFG_ARCH_ARM_VER), "armv7-a")
 LOCAL_SRCS += $(wildcard src/armv7a/*.S)
 endif
 
@@ -50,6 +50,16 @@ endif
 
 LOCAL_FLAGS := $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
 
+AS_OBJS_LIBC_FLAGS  = -D__ASSEMBLY__
+# linux style macros
+LINUX_ARCH_$(LOSCFG_ARCH_ARM_V7A) = -D__LINUX_ARM_ARCH__=7
+LINUX_ARCH_$(LOSCFG_ARCH_ARM_V7R) = -D__LINUX_ARM_ARCH__=7
+LINUX_ARCH_$(LOSCFG_ARCH_ARM_V7M) = -D__LINUX_ARM_ARCH__=7
+LINUX_ARCH_$(LOSCFG_ARCH_ARM_V8A) = -D__LINUX_ARM_ARCH__=8
+LINUX_ARCH_$(LOSCFG_ARCH_ARM_V8R) = -D__LINUX_ARM_ARCH__=8
+LINUX_ARCH_$(LOSCFG_ARCH_ARM_V8M) = -D__LINUX_ARM_ARCH__=8
+AS_OBJS_LIBC_FLAGS      += $(LINUX_ARCH_y)
+
 ifeq ($(LOSCFG_GDB), y)
 LOCAL_FLAGS += $(AS_OBJS_LIBC_FLAGS)
 endif

arch/arm/arm/include/los_hw_cpu.h

@@ -53,6 +53,8 @@ extern "C" {
 #define ISB     __asm__ volatile("isb" ::: "memory")
 #define WFI     __asm__ volatile("wfi" ::: "memory")
 #define BARRIER __asm__ volatile("":::"memory")
+#define WFE     __asm__ volatile("wfe" ::: "memory")
+#define SEV     __asm__ volatile("sev" ::: "memory")
 
 #define ARM_SYSREG_READ(REG)                    \
 ({                                              \

arch/arm/arm/include/smp.h

@@ -29,12 +29,10 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef LOS_TRACE_PRI_H
-#define LOS_TRACE_PRI_H
+#ifndef _ARCH_SMP_H
+#define _ARCH_SMP_H
 
-#include "los_trace.h"
-#include "los_spinlock.h"
-#include "los_seq_buf.h"
+#include "los_config.h"
 
 #ifdef __cplusplus
 #if __cplusplus
@@ -42,25 +40,13 @@ extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-typedef struct {
-    TraceSwitch onOff;
-    WriteHook inputHook;
-    const CHAR *typeStr;
-} TraceHook;
+struct SmpOps {
+    INT32 (*SmpCpuOn)(UINT32 cpuNum, UINTPTR startEntry);  /* The startEntry is physical addr. */
+};
 
-/*
- * |1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0|
- *  |                         |
- * readIndex                writeIndex
- */
+typedef VOID (*ArchCpuStartFunc)(VOID *arg);
 
-typedef struct {
-    UINT8 *dataBuf;
-    UINT32 bufLen;
-    TraceSwitch onOff;
-    UINT32 writeIndex;
-    UINT32 readIndex;
-} TraceBufferCtl;
+VOID HalArchCpuOn(UINT32 cpuNum, ArchCpuStartFunc func, struct SmpOps *ops, VOID *arg);
 
 #ifdef __cplusplus
 #if __cplusplus
@@ -68,4 +54,5 @@ typedef struct {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-#endif /* LOS_TRACE_PRI_H */
+#endif /* _ARCH_SMP_H */
+

arch/arm/arm/src/los_arch_mmu.c

@@ -790,7 +790,7 @@ STATUS_T LOS_ArchMmuDestroy(LosArchMmu *archMmu)
         LOS_PhysPageFree(page);
     }
 
-    OsArmWriteTlbiasid(archMmu->asid);
+    OsArmWriteTlbiasidis(archMmu->asid);
     OsFreeAsid(archMmu->asid);
 #endif
     (VOID)LOS_MuxDestroy(&archMmu->mtx);

arch/arm/arm/src/los_exc.c

@@ -228,7 +228,8 @@ UINT32 OsArmSharedPageFault(UINT32 excType, ExcContext *frame, UINT32 far, UINT3
             break;
         }
         default:
-            ret = LOS_ERRNO_VM_NOT_FOUND;
+            OsArmWriteTlbimvaais(ROUNDDOWN(far, PAGE_SIZE));
+            ret = LOS_OK;
             break;
     }
 #if defined(LOSCFG_KERNEL_SMP) && defined(LOSCFG_DEBUG_VERSION)
@@ -276,8 +277,8 @@ STATIC const CHAR *g_excTypeString[] = {
 #ifdef LOSCFG_KERNEL_VM
 STATIC VADDR_T OsGetTextRegionBase(LosVmMapRegion *region, LosProcessCB *runProcess)
 {
-    struct file *curFilep = NULL;
-    struct file *lastFilep = NULL;
+    struct Vnode *curVnode = NULL;
+    struct Vnode *lastVnode = NULL;
     LosVmMapRegion *curRegion = NULL;
     LosVmMapRegion *lastRegion = NULL;
 
@@ -296,9 +297,9 @@ STATIC VADDR_T OsGetTextRegionBase(LosVmMapRegion *region, LosProcessCB *runProc
         if ((lastRegion == NULL) || !LOS_IsRegionFileValid(lastRegion)) {
             goto DONE;
         }
-        curFilep = curRegion->unTypeData.rf.file;
-        lastFilep = lastRegion->unTypeData.rf.file;
-    } while (!strcmp(curFilep->f_path, lastFilep->f_path));
+        curVnode = curRegion->unTypeData.rf.vnode;
+        lastVnode = lastRegion->unTypeData.rf.vnode;
+    } while (curVnode == lastVnode);
 
 DONE:
 #ifdef LOSCFG_KERNEL_DYNLOAD
@@ -454,7 +455,7 @@ STATIC VOID OsDumpExcVaddrRegion(LosVmSpace *space, LosVmMapRegion *region)
             mmuFlag = FALSE;
         }
         PrintExcInfo("       0x%08x   0x%08x   0x%08x\n",
-                     startVaddr, LOS_PaddrToKVaddr(startPaddr), (UINT32)pageCount << PAGE_SHIFT);
+                     startVaddr, (UINTPTR)LOS_PaddrToKVaddr(startPaddr), (UINT32)pageCount << PAGE_SHIFT);
         pageCount = 0;
         startPaddr = 0;
     }
@@ -515,7 +516,7 @@ VOID OsDumpContextMem(const ExcContext *excBufAddr)
 
     for (excReg = &(excBufAddr->R0); count <= DUMPREGS; excReg++, count++) {
         if (IS_VALID_ADDR(*excReg)) {
-            PrintExcInfo("\ndump mem around R%u:%p", count, (*excReg));
+            PrintExcInfo("\ndump mem around R%u:0x%x", count, (*excReg));
             OsDumpMemByte(DUMPSIZE, ((*excReg) - (DUMPSIZE >> 1)));
         }
     }
@@ -811,7 +812,7 @@ VOID OsCallStackInfo(VOID)
     PrintExcInfo("runTask->stackPointer = 0x%x\n"
                  "runTask->topOfStack = 0x%x\n"
                  "text_start:0x%x,text_end:0x%x\n",
-                 stackPointer, runTask->topOfStack, &__text_start, &__text_end);
+                 (UINTPTR)stackPointer, runTask->topOfStack, &__text_start, &__text_end);
 
     while ((stackPointer > (UINT32 *)runTask->topOfStack) && (count < OS_MAX_BACKTRACE)) {
         if ((*stackPointer > (UINTPTR)(&__text_start)) &&
@@ -994,10 +995,12 @@ STATIC VOID OsCheckAllCpuStatus(VOID)
         g_currHandleExcCpuID = currCpuID;
         g_currHandleExcPID = OsCurrProcessGet()->processID;
         LOS_SpinUnlock(&g_excSerializerSpin);
+#ifndef LOSCFG_SAVE_EXCINFO
         if (g_excFromUserMode[currCpuID] == FALSE) {
             target = (UINT32)(OS_MP_CPU_ALL & ~CPUID_TO_AFFI_MASK(currCpuID));
             HalIrqSendIpi(target, LOS_MP_IPI_HALT);
         }
+#endif
     } else if (g_excFromUserMode[currCpuID] == TRUE) {
         /* Both cores raise exceptions, and the current core is a user-mode exception.
          * Both cores are abnormal and come from the same process
@@ -1022,11 +1025,12 @@ STATIC VOID OsCheckAllCpuStatus(VOID)
             while (1) {}
         }
     }
-
+#ifndef LOSCFG_SAVE_EXCINFO
     /* use halt ipi to stop other active cores */
     if (g_excFromUserMode[ArchCurrCpuid()] == FALSE) {
         WaitAllCpuStop(currCpuID);
     }
+#endif
 }
 #endif
 

arch/arm/arm/src/los_hw.c

@@ -85,7 +85,7 @@ LITE_OS_SEC_TEXT_INIT VOID *OsTaskStackInit(UINT32 taskID, UINT32 stackSize, VOI
     taskContext->LR = (UINTPTR)OsTaskExit;  /* LR should be kept, to distinguish it's THUMB or ARM instruction */
     taskContext->R0 = taskID;               /* R0 */
 
-#ifdef LOSCFG_INTERWORK_THUMB
+#ifdef LOSCFG_THUMB
     taskContext->regCPSR = PSR_MODE_SVC_THUMB; /* CPSR (Enable IRQ and FIQ interrupts, THUMNB-mode) */
 #else
     taskContext->regCPSR = PSR_MODE_SVC_ARM;   /* CPSR (Enable IRQ and FIQ interrupts, ARM-mode) */
@@ -105,7 +105,15 @@ LITE_OS_SEC_TEXT_INIT VOID *OsTaskStackInit(UINT32 taskID, UINT32 stackSize, VOI
 
 LITE_OS_SEC_TEXT VOID OsUserCloneParentStack(VOID *childStack, UINTPTR parentTopOfStack, UINT32 parentStackSize)
 {
-    VOID *cloneStack = (VOID *)(((UINTPTR)parentTopOfStack + parentStackSize) - sizeof(TaskContext));
+    LosTaskCB *task = OsCurrTaskGet();
+    sig_cb *sigcb = &task->sig;
+    VOID *cloneStack = NULL;
+
+    if (sigcb->sigContext != NULL) {
+        cloneStack = (VOID *)((UINTPTR)sigcb->sigContext - sizeof(TaskContext));
+    } else {
+        cloneStack = (VOID *)(((UINTPTR)parentTopOfStack + parentStackSize) - sizeof(TaskContext));
+    }
 
     (VOID)memcpy_s(childStack, sizeof(TaskContext), cloneStack, sizeof(TaskContext));
     ((TaskContext *)childStack)->R0 = 0;
@@ -115,7 +123,7 @@ LITE_OS_SEC_TEXT_INIT VOID OsUserTaskStackInit(TaskContext *context, UINTPTR tas
 {
     LOS_ASSERT(context != NULL);
 
-#ifdef LOSCFG_INTERWORK_THUMB
+#ifdef LOSCFG_THUMB
     context->regCPSR = PSR_MODE_USR_THUMB;
 #else
     context->regCPSR = PSR_MODE_USR_ARM;

arch/arm/arm/src/los_hwi.c

@@ -36,7 +36,7 @@
 #include "los_cpup_pri.h"
 #endif
 #include "los_sched_pri.h"
-
+#include "los_hook.h"
 
 /* spinlock for hwi module, only available on SMP mode */
 LITE_OS_SEC_BSS  SPIN_LOCK_INIT(g_hwiSpin);
@@ -84,7 +84,7 @@ VOID OsInterrupt(UINT32 intNum)
 #ifdef LOSCFG_CPUP_INCLUDE_IRQ
     OsCpupIrqStart();
 #endif
-
+    OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, intNum);
     hwiForm = (&g_hwiForm[intNum]);
 #ifndef LOSCFG_NO_SHARED_IRQ
     while (hwiForm->pstNext != NULL) {
@@ -107,6 +107,7 @@ VOID OsInterrupt(UINT32 intNum)
 #endif
     ++g_hwiFormCnt[intNum];
 
+    OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, intNum);
 #ifdef LOSCFG_CPUP_INCLUDE_IRQ
     OsCpupIrqEnd(intNum);
 #endif

arch/arm/arm/src/smp.c

@@ -0,0 +1,106 @@
+/*
+ * 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 "smp.h"
+#include "arch_config.h"
+#include "los_base.h"
+#include "los_hw.h"
+#include "los_atomic.h"
+#include "los_arch_mmu.h"
+#include "los_init_pri.h"
+#include "gic_common.h"
+#include "los_task_pri.h"
+
+#ifdef LOSCFG_KERNEL_SMP
+
+extern VOID reset_vector(VOID);
+
+struct OsCpuInit {
+    ArchCpuStartFunc cpuStart;
+    VOID *arg;
+    Atomic initFlag;
+};
+
+STATIC struct OsCpuInit g_cpuInit[CORE_NUM - 1] = {0};
+
+VOID HalArchCpuOn(UINT32 cpuNum, ArchCpuStartFunc func, struct SmpOps *ops, VOID *arg)
+{
+    struct OsCpuInit *cpuInit = &g_cpuInit[cpuNum - 1];
+    UINTPTR startEntry = (UINTPTR)&reset_vector - KERNEL_VMM_BASE + SYS_MEM_BASE;
+    INT32 ret = 0;
+
+    cpuInit->cpuStart = func;
+    cpuInit->arg = arg;
+    cpuInit->initFlag = 0;
+
+    DCacheFlushRange((UINTPTR)cpuInit, (UINTPTR)cpuInit + sizeof(struct OsCpuInit));
+
+    LOS_ASSERT(ops != NULL);
+
+
+    ret = ops->SmpCpuOn(cpuNum, startEntry);
+    if (ret < 0) {
+        PRINT_ERR("cpu start failed, cpu num: %u, ret: %d\n", cpuNum, ret);
+        return;
+    }
+
+    while (!LOS_AtomicRead(&cpuInit->initFlag)) {
+        WFE;
+    }
+}
+
+VOID HalSecondaryCpuStart(VOID)
+{
+    UINT32 cpuid = ArchCurrCpuid();
+    struct OsCpuInit *cpuInit = &g_cpuInit[cpuid - 1];
+
+    OsCurrTaskSet(OsGetMainTask());
+
+    LOS_AtomicSet(&cpuInit->initFlag, 1);
+    SEV;
+
+#ifdef LOSCFG_KERNEL_MMU
+    OsArchMmuInitPerCPU();
+#endif
+
+    /* store each core's hwid */
+    CPU_MAP_SET(cpuid, OsHwIDGet());
+    HalIrqInitPercpu();
+    OsInitCall(LOS_INIT_LEVEL_ARCH);
+
+    cpuInit->cpuStart(cpuInit->arg);
+
+    while (1) {
+        WFI;
+    }
+}
+#endif
+

arch/arm/arm/src/startup/reset_vector_mp.S

@@ -28,6 +28,7 @@
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
+
 #define  ASSEMBLY
 #include "arch_config.h"
 #include "los_vm_boot.h"
@@ -54,6 +55,8 @@
     .extern __stack_chk_guard_setup
     .extern g_firstPageTable
     .extern g_mmuJumpPageTable
+    .extern g_archMmuInitMapping
+    .extern HalSecondaryCpuStart
 
     .equ MPIDR_CPUID_MASK, 0xffU
 
@@ -77,14 +80,6 @@
     bl      excstack_magic
 .endm
 
-/* param0 is physical address, param1 virtual address, param2 is sizes, param3 is flag */
-.macro PAGE_TABLE_SET param0, param1, param2, param3
-    ldr     r6, =\param0
-    ldr     r7, =\param1
-    ldr     r8, =\param2
-    ldr     r10, =\param3
-    bl      page_table_build
-.endm
     .code   32
     .section ".vectors","ax"
 
@@ -184,12 +179,15 @@ reloc_img_to_bottom_done:
     mov     r2, #MMU_DESCRIPTOR_L1_SMALL_ENTRY_NUMBERS
     bl      memset_optimized                    /* optimized memset since r0 is 64-byte aligned */
 
-    PAGE_TABLE_SET SYS_MEM_BASE, KERNEL_VMM_BASE, KERNEL_VMM_SIZE, MMU_DESCRIPTOR_KERNEL_L1_PTE_FLAGS
-    PAGE_TABLE_SET SYS_MEM_BASE, UNCACHED_VMM_BASE, UNCACHED_VMM_SIZE, MMU_INITIAL_MAP_NORMAL_NOCACHE
-    PAGE_TABLE_SET PERIPH_PMM_BASE, PERIPH_DEVICE_BASE, PERIPH_DEVICE_SIZE, MMU_INITIAL_MAP_DEVICE
-    PAGE_TABLE_SET PERIPH_PMM_BASE, PERIPH_CACHED_BASE, PERIPH_CACHED_SIZE, MMU_DESCRIPTOR_KERNEL_L1_PTE_FLAGS
-    PAGE_TABLE_SET PERIPH_PMM_BASE, PERIPH_UNCACHED_BASE, PERIPH_UNCACHED_SIZE, MMU_INITIAL_MAP_STRONGLY_ORDERED
-
+    ldr     r5, =g_archMmuInitMapping
+    add     r5, r5, r11
+init_mmu_loop:
+    ldmia   r5!, {r6-r10}                       /* r6 = phys, r7 = virt, r8 = size, r9 = mmu_flags, r10 = name */
+    cmp     r8, 0                               /* if size = 0, the mmu init done */
+    beq     init_mmu_done
+    bl      page_table_build
+    b       init_mmu_loop
+init_mmu_done:
     orr     r8, r4, #MMU_TTBRx_FLAGS            /* r8 = r4 and set cacheable attributes on translation walk */
     ldr     r4, =g_mmuJumpPageTable             /* r4: jump pagetable vaddr */
     add     r4, r4, r11
@@ -205,9 +203,7 @@ reloc_img_to_bottom_done:
     str     r12, [r4, r7, lsr #(20 - 2)]        /* jumpTable[paIndex] = pt entry */
     rsb     r7, r11, r6, lsl #20                /* r7: va */
     str     r12, [r4, r7, lsr #(20 - 2)]        /* jumpTable[vaIndex] = pt entry */
-#endif
-    bl      _bootaddr_setup
-#ifdef LOSCFG_KERNEL_MMU
+
     bl      mmu_setup                           /* set up the mmu */
 #endif
     /* clear out the interrupt and exception stack and set magic num to check the overflow */
@@ -317,6 +313,7 @@ reset_platform:
     mov    r0, #0
     mov    pc, r0   // Jump to reset vector
 #endif
+
 cpu_start:
 #ifdef LOSCFG_KERNEL_MMU
     ldr     r4, =g_firstPageTable               /* r4 = physical address of translation table and clear it */
@@ -330,7 +327,8 @@ cpu_start:
 
     bl     mmu_setup
 #endif
-    bl     secondary_cpu_start
+
+    bl     HalSecondaryCpuStart
     b      .
 
 secondary_cpu_init:
@@ -370,9 +368,9 @@ sp_set:
  */
 #ifdef LOSCFG_KERNEL_MMU
 page_table_build:
-    mov     r9, r6
-    bfc     r9, #20, #12                        /* r9: pa % MB */
-    add     r8, r8, r9
+    mov     r10, r6
+    bfc     r10, #20, #12                       /* r9: pa % MB */
+    add     r8, r8, r10
     add     r8, r8, #(1 << 20)
     sub     r8, r8, #1
     lsr     r6, #20                             /* r6 = physical address / MB */
@@ -380,7 +378,7 @@ page_table_build:
     lsr     r8, #20                             /* r8 = roundup(size, MB) */
 
 page_table_build_loop:
-    orr     r12, r10, r6, lsl #20               /* r12: flags | physAddr */
+    orr     r12, r9, r6, lsl #20                /* r12: flags | physAddr */
     str     r12, [r4, r7, lsl #2]               /* gPgTable[l1Index] = physAddr | flags */
     add     r6, #1                              /* physAddr+ */
     add     r7, #1                              /* l1Index++ */
@@ -422,24 +420,6 @@ excstack_magic_loop:
     blt     excstack_magic_loop
     bx      lr
 
-/*
- * 0xe51ff004 = "ldr  pc, [pc, #-4]"
- * next addr value will be the real booting addr
- */
-_bootaddr_setup:
-    mov     r0, #0
-    ldr     r1, =0xe51ff004
-    str     r1, [r0]
-
-    add     r0, r0, #4
-    ldr     r1, =SYS_MEM_BASE
-    str     r1, [r0]
-
-    dsb
-    isb
-
-    bx      lr
-
 #ifdef LOSCFG_KERNEL_MMU
 memset_optimized:
     mov     r3, r0

arch/arm/arm/src/startup/reset_vector_up.S

@@ -54,6 +54,7 @@
     .extern __stack_chk_guard_setup
     .extern g_firstPageTable
     .extern g_mmuJumpPageTable
+    .extern g_archMmuInitMapping
 
     .equ MPIDR_CPUID_MASK, 0xffU
 
@@ -77,14 +78,6 @@
     bl      excstack_magic
 .endm
 
-/* param0 is physical address, param1 virtual address, param2 is sizes, param3 is flag */
-.macro PAGE_TABLE_SET param0, param1, param2, param3
-    ldr     r6, =\param0
-    ldr     r7, =\param1
-    ldr     r8, =\param2
-    ldr     r10, =\param3
-    bl      page_table_build
-.endm
     .code   32
     .section ".vectors","ax"
 
@@ -161,12 +154,15 @@ reloc_img_to_bottom_done:
     mov     r2, #MMU_DESCRIPTOR_L1_SMALL_ENTRY_NUMBERS
     bl      memset_optimized                    /* optimized memset since r0 is 64-byte aligned */
 
-    PAGE_TABLE_SET SYS_MEM_BASE, KERNEL_VMM_BASE, KERNEL_VMM_SIZE, MMU_DESCRIPTOR_KERNEL_L1_PTE_FLAGS
-    PAGE_TABLE_SET SYS_MEM_BASE, UNCACHED_VMM_BASE, UNCACHED_VMM_SIZE, MMU_INITIAL_MAP_NORMAL_NOCACHE
-    PAGE_TABLE_SET PERIPH_PMM_BASE, PERIPH_DEVICE_BASE, PERIPH_DEVICE_SIZE, MMU_INITIAL_MAP_DEVICE
-    PAGE_TABLE_SET PERIPH_PMM_BASE, PERIPH_CACHED_BASE, PERIPH_CACHED_SIZE, MMU_DESCRIPTOR_KERNEL_L1_PTE_FLAGS
-    PAGE_TABLE_SET PERIPH_PMM_BASE, PERIPH_UNCACHED_BASE, PERIPH_UNCACHED_SIZE, MMU_INITIAL_MAP_STRONGLY_ORDERED
-
+    ldr     r5, =g_archMmuInitMapping
+    add     r5, r5, r11
+init_mmu_loop:
+    ldmia   r5!, {r6-r10}                       /* r6 = phys, r7 = virt, r8 = size, r9 = mmu_flags, r10 = name */
+    cmp     r8, 0                               /* if size = 0, the mmu init done */
+    beq     init_mmu_done
+    bl      page_table_build
+    b       init_mmu_loop
+init_mmu_done:
     orr     r8, r4, #MMU_TTBRx_FLAGS            /* r8 = r4 and set cacheable attributes on translation walk */
     ldr     r4, =g_mmuJumpPageTable             /* r4: jump pagetable vaddr */
     add     r4, r4, r11
@@ -231,9 +227,6 @@ warm_reset:
     LDR    r0, =__exception_handlers
     MCR    p15, 0, r0, c12, c0, 0
 
-    cmp    r11, #0
-    bne    cpu_start
-
 clear_bss:
     ldr    r0, =__bss_start
     ldr    r2, =__bss_end
@@ -310,11 +303,6 @@ reset_platform:
     mov    r0, #0
     mov    pc, r0   // Jump to reset vector
 #endif
-cpu_start:
-    bl     secondary_cpu_start
-    b      .
-
-
 
 /*
  * set sp for current cpu
@@ -336,9 +324,9 @@ sp_set:
  */
 #ifdef LOSCFG_KERNEL_MMU
 page_table_build:
-    mov     r9, r6
-    bfc     r9, #20, #12                        /* r9: pa % MB */
-    add     r8, r8, r9
+    mov     r10, r6
+    bfc     r10, #20, #12                       /* r9: pa % MB */
+    add     r8, r8, r10
     add     r8, r8, #(1 << 20)
     sub     r8, r8, #1
     lsr     r6, #20                             /* r6 = physical address / MB */
@@ -346,7 +334,7 @@ page_table_build:
     lsr     r8, #20                             /* r8 = roundup(size, MB) */
 
 page_table_build_loop:
-    orr     r12, r10, r6, lsl #20               /* r12: flags | physAddr */
+    orr     r12, r9, r6, lsl #20                /* r12: flags | physAddr */
     str     r12, [r4, r7, lsl #2]               /* gPgTable[l1Index] = physAddr | flags */
     add     r6, #1                              /* physAddr+ */
     add     r7, #1                              /* l1Index++ */
@@ -388,24 +376,6 @@ excstack_magic_loop:
     blt     excstack_magic_loop
     bx      lr
 
-/*
- * 0xe51ff004 = "ldr  pc, [pc, #-4]"
- * next addr value will be the real booting addr
- */
-_bootaddr_setup:
-    mov     r0, #0
-    ldr     r1, =0xe51ff004
-    str     r1, [r0]
-
-    add     r0, r0, #4
-    ldr     r1, =SYS_MEM_BASE
-    str     r1, [r0]
-
-    dsb
-    isb
-
-    bx      lr
-
 #ifdef LOSCFG_KERNEL_MMU
 memset_optimized:
     mov     r3, r0

arch/arm/arm/src/strncpy_from_user.c

@@ -46,7 +46,7 @@ INT32 LOS_StrncpyFromUser(CHAR *dst, const CHAR *src, INT32 count)
     }
 
     maxCount = (LOS_IsUserAddressRange((VADDR_T)(UINTPTR)src, (size_t)count)) ? \
-                count : (USER_ASPACE_TOP_MAX - (UINTPTR)src);
+                count : (INT32)(USER_ASPACE_TOP_MAX - (UINTPTR)src);
 
     for (i = 0; i < maxCount; ++i) {
         if (LOS_GetUser(&character, src + offset) != LOS_OK) {

arch/arm/gic/BUILD.gn

@@ -0,0 +1,41 @@
+# 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_a/liteos.gni")
+
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = []
+
+  if (defined(LOSCFG_ARCH_GIC_V2)) {
+    sources += [ "gic_v2.c" ]
+  } else if (defined(LOSCFG_ARCH_GIC_V3)) {
+    sources += [ "gic_v3.c" ]
+  }
+}

bsd/BUILD.gn

@@ -0,0 +1,86 @@
+# 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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_COMPAT_BSD)
+module_name = "libbsd"
+kernel_module(module_name) {
+  sources = [
+    "kern/bus_if.c",
+    "kern/device_if.c",
+    "kern/kern_condvar.c",
+    "kern/kern_timeout.c",
+    "kern/subr_bus.c",
+    "kern/subr_kobj.c",
+  ]
+
+  if (defined(LOSCFG_ARCH_ARM_AARCH32)) {
+    sources += [
+      "arm/autoconf.c",
+      "arm/hw_user_copy.S",
+      "arm/in_cksum.c",
+      "arm/in_cksum_arm.S",
+      "arm/nexus.c",
+    ]
+  }
+
+  if (defined(LOSCFG_DRIVERS_RANDOM)) {
+    sources += [
+      "crypto/rijndael/rijndael-alg-fst.c",
+      "crypto/rijndael/rijndael-api-fst.c",
+      "crypto/sha2/sha256c.c",
+      "dev/random/hash.c",
+      "dev/random/yarrow.c",
+      "libkern/explicit_bzero.c",
+    ]
+  }
+
+  public_configs = [ ":public" ]
+}
+
+group("bsd") {
+  public_deps = [ ":$module_name" ]
+
+  deps = [
+    "compat/linuxkpi",
+    "dev/usb",
+  ]
+}
+
+config("public") {
+  include_dirs = [
+    ".",
+    "kern",
+  ]
+  configs = [
+    "compat/linuxkpi:public",
+    "dev/usb:public",
+  ]
+}

bsd/Kconfig

@@ -1,6 +1,14 @@
 config  COMPAT_BSD
     bool "Enable FreeBSD"
     default y
+    select COMPAT_LINUXKPI
 
     help
       Answer Y to enable LiteOS support FreeBSD.
+
+config  COMPAT_LINUXKPI
+    bool "Enable linuxkpi" if COMPAT_BSD
+    default y
+
+    help
+      Answer Y to enable LiteOS support compatible layer for linuxkpi.

bsd/Makefile

@@ -33,8 +33,8 @@ MODULE_NAME := $(notdir $(shell pwd))
 
 LOCAL_SRCS  := $(wildcard kern/*.c)
 
-LOCAL_SRCS  += $(wildcard $(LITEOS_ARCH_ARM)/*.c)
-LOCAL_SRCS  += $(wildcard $(LITEOS_ARCH_ARM)/*.S)
+LOCAL_SRCS  += $(wildcard $(ARCH)/*.c)
+LOCAL_SRCS  += $(wildcard $(ARCH)/*.S)
 
 ifeq ($(LOSCFG_DRIVERS_RANDOM), y)
 LOCAL_SRCS += $(wildcard crypto/rijndael/*.c) \

bsd/compat/linuxkpi/BUILD.gn

@@ -0,0 +1,57 @@
+# 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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_COMPAT_BSD)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [
+    "src/adp.c",
+    "src/linux_completion.c",
+    "src/linux_interrupt.c",
+    "src/linux_sched.c",
+    "src/linux_semaphore.c",
+    "src/linux_timer.c",
+    "src/linux_wakelock.c",
+    "src/linux_workqueue.c",
+    "src/prctl.c",
+    "src/tzdst.c",
+  ]
+
+  if (defined(LOSCFG_HRTIMER_ENABLE)) {
+    sources += [ "src/linux_hrtimer.c" ]
+  }
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
+}

bsd/compat/linuxkpi/include/linux/mtd/mtd.h

@@ -1 +0,0 @@
-../../../../../../../../third_party/Linux_Kernel/fs/jffs2/mtd.h

bsd/compat/linuxkpi/include/linux/mtd/mtd_list.h

@@ -1 +0,0 @@
-../../../../../../../../third_party/Linux_Kernel/fs/jffs2/mtd_list.h

bsd/dev/usb/BUILD.gn

@@ -0,0 +1,150 @@
+# 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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_DRIVERS_USB)
+module_name = "usb_base"
+kernel_module(module_name) {
+  sources = [
+    "implementation/bsd_busspace.c",
+    "implementation/bsd_kernel.c",
+    "implementation/usb_btree.c",
+    "implementation/usb_busdma_loader.c",
+    "implementation/usb_init.c",
+    "implementation/usb_version.c",
+    "usb_debug.c",
+  ]
+
+  if (defined(LOSCFG_DRIVERS_USB)) {
+    sources += [
+      "controller/usb_controller.c",
+      "quirk/usb_quirk.c",
+      "usb_dev.c",
+      "usb_device.c",
+      "usb_dynamic.c",
+      "usb_error.c",
+      "usb_generic.c",
+      "usb_handle_request.c",
+      "usb_hub.c",
+      "usb_if.c",
+      "usb_lookup.c",
+      "usb_mbuf.c",
+      "usb_parse.c",
+      "usb_process.c",
+      "usb_request.c",
+      "usb_transfer.c",
+      "usb_util.c",
+    ]
+  }
+
+  if (defined(LOSCFG_DRIVERS_USB_4G_MODEM)) {
+    sources += [ "net/if_cdce.c" ]
+  }
+
+  if (defined(LOSCFG_DRIVERS_USB_ETHERNET)) {
+    sources += [
+      "net/if_axe.c",
+      "net/if_axge.c",
+    ]
+  }
+
+  if (defined(LOSCFG_DRIVERS_USB_RNDIS_HOST)) {
+    sources += [ "net/if_urndis.c" ]
+  }
+
+  if (defined(LOSCFG_DRIVERS_USB_4G_MODEM) ||
+      defined(LOSCFG_DRIVERS_USB_ETHERNET) ||
+      defined(LOSCFG_DRIVERS_USB_RNDIS_HOST)) {
+    sources += [
+      "net/usb_eth_drv.c",
+      "net/usb_ethernet.c",
+    ]
+  }
+
+  if (defined(LOSCFG_DRIVERS_USB_4G_MODEM) ||
+      defined(LOSCFG_DRIVERS_USB_SERIAL)) {
+    sources += [
+      "serial/u3g.c",
+      "serial/usb_serial.c",
+    ]
+  }
+
+  if (defined(LOSCFG_DRIVERS_USB_HOST_EHCI)) {
+    sources += [
+      "controller/ehci.c",
+      "controller/ehci_pci.c",
+    ]
+  }
+
+  if (defined(LOSCFG_DRIVERS_USB_HOST_XHCI) ||
+      defined(LOSCFG_DRIVERS_USB_HOST_XHCI_FOR_PORT2)) {
+    sources += [
+      "controller/xhci.c",
+      "controller/xhci_pci.c",
+    ]
+  }
+
+  if (defined(LOSCFG_DRIVERS_USB_WIRELESS)) {
+    sources += [ "linux_usb.c" ]
+  }
+
+  if (defined(LOSCFG_DRIVERS_USB_MASS_STORAGE)) {
+    sources += [ "storage/umass.c" ]
+  }
+
+  if (defined(LOSCFG_DRIVERS_USB_HID_CLASS) &&
+      defined(LOSCFG_DRIVERS_HDF_INPUT)) {
+    sources += [
+      "input/uhid.c",
+      "usb_hid.c",
+    ]
+
+    include_dirs = [
+      "//drivers/framework/model/input/driver",
+      "//drivers/framework/include/core",
+      "//drivers/framework/core/common/include/host",
+      "//drivers/framework/utils",
+      "//drivers/framework/osal",
+      "//drivers/framework/ability/sbuf/include",
+      "//drivers/framework/include/osal",
+    ]
+  }
+
+  configs += [
+    "$HDFTOPDIR:hdf_config"
+  ]
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "." ]
+  include_dirs += [ "$LITEOSTHIRDPARTY/FreeBSD/sys/dev/evdev" ]
+}

build.sh

@@ -42,41 +42,11 @@ ohos_version=${9}
 sysroot_path=${10}
 arch_cflags=${11}
 device_path=${12}
+compile_prefix=${13}
+liteos_config_file=${14}
 
-echo "${board_name}" "${device_company}"
 echo "sh param:" "$@"
 
-function main() {
-    destination=".config"
-    tee=""
-    if [ "${tee_enable}" = "true" ]; then
-        tee="_tee"
-    fi
-
-    config_file="${product_path}/config/${ohos_build_type}${tee}.config"
-    if [ -f "${config_file}" ]; then
-        cp "${config_file}" "${destination}"
-        return
-    fi
-
-    product_name=$(basename "${product_path}")
-    config_file="${product_name}_release.config"
-    if [ "${ohos_build_compiler}" = "clang" ]; then
-        if [ "${ohos_build_type}" = "debug" ]; then
-            config_file="debug/${product_name}_${ohos_build_compiler}${tee}.config"
-        else
-            config_file="${product_name}_${ohos_build_compiler}_release${tee}.config"
-        fi
-    elif [ "${ohos_build_compiler}" = "gcc" ]; then
-        if [ "${ohos_build_type}" = "debug" ]; then
-            config_file="${product_name}_debug_shell${tee}.config"
-        else
-            config_file="${product_name}_release${tee}.config"
-        fi
-    fi
-    cp "tools/build/config/${config_file}" "${destination}"
-}
-
 if [ "x" != "x${sysroot_path}" ]; then
     export SYSROOT_PATH=${sysroot_path}
 fi
@@ -85,10 +55,15 @@ if [ "x" != "x${arch_cflags}" ]; then
     export ARCH_CFLAGS="${arch_cflags}"
 fi
 
-export OUTDIR="${outdir}"
 export PRODUCT_PATH="${product_path}"
 export DEVICE_PATH="${device_path}"
 
-main && \
-make clean && \
-make -j rootfs VERSION="${ohos_version}"
+export OUTDIR="${outdir}"
+export KCONFIG_CONFIG="${liteos_config_file}"
+export LITEOS_MENUCONFIG_H="${outdir}/config.h"
+export LITEOS_CONFIG_FILE="${outdir}/.config"
+export LITEOS_COMPILER_PATH="${compile_prefix%/*}/"
+export CROSS_COMPILE="${compile_prefix##*/}"
+
+mkdir -p "${outdir}"
+make -j all VERSION="${ohos_version}"

bundle.json

@@ -0,0 +1,59 @@
+{
+    "name": "@ohos/kernel_liteos_a",
+    "version": "",
+    "description": "liteos-a内核",
+    "homePage": "https://gitee.com/openharmony",
+    "license": "BSD 3-clause",
+    "repository": "https://gitee.com/openharmony/kernel_liteos_a",
+    "domain": "os",
+    "language": "",
+    "publishAs": "code-segment",
+    "private": false,
+    "scripts": {},
+    "tags": [
+        "kernel"
+    ],
+    "keywords": [
+        "kernel",
+        "liteos-a"
+    ],
+    "envs": [],
+    "dirs": [],
+    "author": {
+        "name": "",
+        "email": "",
+        "url": ""
+    },
+    "contributors": [
+        {
+            "name": "",
+            "email": "",
+            "url": ""
+        }
+    ],
+    "segment": {
+        "destPath": "kernel/liteos_a"
+    },
+    "component": {
+        "name": "liteos-a",
+        "subsystem": "liteos_a",
+        "syscap": [
+            "SystemCapability.Kernel.liteos-a"
+        ],
+        "features": [],
+        "adated_system_type": [
+            "small"
+        ],
+        "rom": "",
+        "ram": "",
+        "deps": {
+            "components": [],
+            "third_party": []
+        },
+        "build": {
+            "sub_component": [],
+            "inner_kits": [],
+            "test": []
+        }
+    }
+}

compat/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_a/liteos.gni")
+
+group("compat") {
+  deps = [ "posix" ]
+}
+
+config("public") {
+  configs = [ "posix:public" ]
+}

compat/posix/BUILD.gn

@@ -0,0 +1,59 @@
+# 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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_COMPAT_POSIX)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [
+    "src/errno.c",
+    "src/malloc.c",
+    "src/map_error.c",
+    "src/misc.c",
+    "src/mqueue.c",
+    "src/posix_memalign.c",
+    "src/pthread.c",
+    "src/pthread_attr.c",
+    "src/pthread_cond.c",
+    "src/pthread_mutex.c",
+    "src/sched.c",
+    "src/semaphore.c",
+    "src/socket.c",
+    "src/stdio.c",
+    "src/stdlib.c",
+    "src/time.c",
+  ]
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
+}

compat/posix/include/mqueue.h

@@ -81,6 +81,11 @@ typedef union send_receive_t {
     short data;
 } mode_s;
 
+struct mqnotify {
+    pid_t pid;
+    struct sigevent notify;
+};
+
 /* TYPE DEFINITIONS */
 struct mqarray {
     UINT32 mq_id : 31;
@@ -90,7 +95,7 @@ struct mqarray {
     mode_s mode_data; /* mode data of mqueue */
     uid_t euid; /* euid of mqueue */
     gid_t egid; /* egid of mqueue */
-    fd_set mq_fdset; /* mqueue sysFd bit map */
+    struct mqnotify mq_notify;
     LosQueueCB *mqcb;
     struct mqpersonal *mq_personal;
 };
@@ -417,7 +422,8 @@ extern int mq_timedsend(mqd_t personal, const char *msg, size_t msgLen,
 extern ssize_t mq_timedreceive(mqd_t personal, char *msg, size_t msgLen,
                                unsigned int *msgPrio, const struct timespec *absTimeout);
 
-extern void mqueue_refer(int sysFd);
+extern void MqueueRefer(int sysFd);
+extern int OsMqNotify(mqd_t personal, const struct sigevent *sigev);
 
 #ifdef __cplusplus
 #if __cplusplus

compat/posix/src/errno.c

@@ -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.
+ */
+
+#include "errno.h"
+#include "los_errno.h"
+#include "los_task_pri.h"
+
+/* the specific errno get or set in interrupt service routine */
+static int errno_isr;
+
+int *__errno_location(void)
+{
+    LosTaskCB *runTask = NULL;
+
+    if (OS_INT_INACTIVE) {
+        runTask = OsCurrTaskGet();
+        return &runTask->errorNo;
+    } else {
+        return &errno_isr;
+    }
+}
+
+int *__errno(void) __attribute__((__weak__, __alias__("__errno_location")));

compat/posix/src/malloc.c

@@ -0,0 +1,145 @@
+/*
+ * 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 "stdlib.h"
+#include "string.h"
+#include "los_vm_map.h"
+
+/*
+ * Allocates the requested memory and returns a pointer to it. The requested
+ * size is nitems each size bytes long (total memory requested is nitems*size).
+ * The space is initialized to all zero bits.
+ */
+
+void *calloc(size_t nitems, size_t size)
+{ /*lint !e578*/
+    size_t real_size;
+    void *ptr = NULL;
+
+    if (nitems == 0 || size == 0) {
+        return NULL;
+    }
+
+    real_size = (size_t)(nitems * size);
+    ptr = LOS_KernelMalloc((UINT32) real_size);
+    if (ptr != NULL) {
+        (void) memset_s((void *) ptr, real_size, 0, real_size);
+    }
+    return ptr;
+}
+
+/*
+ * Deallocates the memory previously allocated by a call to calloc, malloc, or
+ * realloc. The argument ptr points to the space that was previously allocated.
+ * If ptr points to a memory block that was not allocated with calloc, malloc,
+ * or realloc, or is a space that has been deallocated, then the result is undefined.
+ */
+
+void free(void *ptr)
+{
+    if (ptr == NULL) {
+        return;
+    }
+
+    LOS_KernelFree(ptr);
+}
+
+/*
+ * Allocates the requested memory and returns a pointer to it. The requested
+ * size is size bytes. The value of the space is indeterminate.
+ */
+
+void *malloc(size_t size)
+{ /*lint !e31 !e10*/
+    if (size == 0) {
+        return NULL;
+    }
+
+    return LOS_KernelMalloc((UINT32) size);
+}
+
+void *zalloc(size_t size)
+{ /*lint !e10*/
+    void *ptr = NULL;
+
+    if (size == 0) {
+        return NULL;
+    }
+
+    ptr = LOS_KernelMalloc((UINT32) size);
+    if (ptr != NULL) {
+        (void) memset_s(ptr, size, 0, size);
+    }
+    return ptr;
+}
+
+/*
+ * allocates a block of size bytes whose address is a multiple of boundary.
+ * The boundary must be a power of two!
+ */
+
+void *memalign(size_t boundary, size_t size)
+{
+    if (size == 0) {
+        return NULL;
+    }
+
+    return LOS_KernelMallocAlign((UINT32) size, (UINT32) boundary);
+}
+
+/*
+ * Attempts to resize the memory block pointed to by ptr that was previously
+ * allocated with a call to malloc or calloc. The contents pointed to by ptr are
+ * unchanged. If the value of size is greater than the previous size of the
+ * block, then the additional bytes have an undeterminate value. If the value
+ * of size is less than the previous size of the block, then the difference of
+ * bytes at the end of the block are freed. If ptr is null, then it behaves like
+ * malloc. If ptr points to a memory block that was not allocated with calloc
+ * or malloc, or is a space that has been deallocated, then the result is
+ * undefined. If the new space cannot be allocated, then the contents pointed
+ * to by ptr are unchanged. If size is zero, then the memory block is completely
+ * freed.
+ */
+
+void *realloc(void *ptr, size_t size)
+{
+    if (ptr == NULL) {
+        ptr = malloc(size);
+        return ptr;
+    }
+
+    if (size == 0) {
+        free(ptr);
+        return NULL;
+    }
+
+    return LOS_KernelRealloc(ptr, (UINT32) size);
+}

compat/posix/src/misc.c

@@ -30,13 +30,15 @@
  */
 
 #include "sys/types.h"
+#include "sys/resource.h"
 #include "unistd.h"
 #include "stdio.h"
 #include "pthread.h"
 #include "sys/utsname.h"
 #include "mqueue.h"
 #include "semaphore.h"
-
+#include "los_process_pri.h"
+#include "los_hw.h"
 
 /*
  * Supply some suitable values for constants that may not be present
@@ -52,17 +54,27 @@
 int uname(struct utsname *name)
 {
     INT32 ret;
+    const char *cpuInfo = NULL;
+
     if (name == NULL) {
         return -EFAULT;
     }
-    (VOID)strncpy_s(name->sysname, sizeof(name->sysname), KERNEL_NAME, strlen(KERNEL_NAME) + 1);
-    (VOID)strncpy_s(name->nodename, sizeof(name->nodename), "hisilicon", strlen("hisilicon") + 1);
-    ret = snprintf_s(name->version, sizeof(name->version), sizeof(name->version) - 1, "%s %u.%u.%u.%u %s %s\n",
+    (VOID)strcpy_s(name->sysname, sizeof(name->sysname), KERNEL_NAME);
+    (VOID)strcpy_s(name->nodename, sizeof(name->nodename), "hisilicon");
+    ret = sprintf_s(name->version, sizeof(name->version), "%s %u.%u.%u.%u %s %s",
                      KERNEL_NAME, KERNEL_MAJOR, KERNEL_MINOR, KERNEL_PATCH, KERNEL_ITRE, __DATE__, __TIME__);
     if (ret < 0) {
         return -EIO;
     }
-    name->machine[0] = '\0';
+
+    cpuInfo = LOS_CpuInfo();
+    (VOID)strcpy_s(name->machine, sizeof(name->machine), cpuInfo);
+    ret = sprintf_s(name->release, sizeof(name->release), "%u.%u.%u.%u",
+                     KERNEL_MAJOR, KERNEL_MINOR, KERNEL_PATCH, KERNEL_ITRE);
+    if (ret < 0) {
+        return -EIO;
+    }
+
     name->domainname[0] = '\0';
     return 0;
 }
@@ -140,3 +152,50 @@ pid_t getpid(void)
     return ((LosTaskCB *)(OsCurrTaskGet()))->taskID;
 }
 
+int getrlimit(int resource, struct rlimit *rlim)
+{
+    LosProcessCB *pcb = OsCurrProcessGet();
+
+    switch (resource) {
+        case RLIMIT_NOFILE:
+        case RLIMIT_FSIZE:
+            break;
+        default:
+            return -EINVAL;
+    }
+    rlim->rlim_cur = pcb->pl_rlimit[resource].rlim_cur;
+    rlim->rlim_max = pcb->pl_rlimit[resource].rlim_max;
+
+    return 0;
+}
+
+#define FSIZE_RLIMIT 0XFFFFFFFF
+#ifndef NR_OPEN_DEFAULT
+#define NR_OPEN_DEFAULT 1024
+#endif
+int setrlimit(int resource, const struct rlimit *rlim)
+{
+    LosProcessCB *pcb = OsCurrProcessGet();
+
+    if (rlim->rlim_cur > rlim->rlim_max) {
+        return -EINVAL;
+    }
+    switch (resource) {
+        case RLIMIT_NOFILE:
+            if (rlim->rlim_max > NR_OPEN_DEFAULT) {
+                return -EPERM;
+            }
+            break;
+        case RLIMIT_FSIZE:
+            if (rlim->rlim_max > FSIZE_RLIMIT) {
+                return -EPERM;
+            }
+            break;
+        default:
+            return -EINVAL;
+    }
+    pcb->pl_rlimit[resource].rlim_cur = rlim->rlim_cur;
+    pcb->pl_rlimit[resource].rlim_max = rlim->rlim_max;
+
+    return 0;
+}

compat/posix/src/mqueue.c

@@ -49,6 +49,7 @@
 #endif
 
 /* GLOBALS */
+STATIC fd_set g_queueFdSet;
 STATIC struct mqarray g_queueTable[LOSCFG_BASE_IPC_QUEUE_LIMIT];
 STATIC pthread_mutex_t g_mqueueMutex = PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP;
 STATIC struct mqpersonal *g_mqPrivBuf[MAX_MQ_FD];
@@ -120,6 +121,7 @@ STATIC INT32 DoMqueueDelete(struct mqarray *mqueueCB)
     mqueueCB->mode_data.data = 0;
     mqueueCB->euid = -1;
     mqueueCB->egid = -1;
+    mqueueCB->mq_notify.pid = 0;
 
     ret = LOS_QueueDelete(mqueueCB->mq_id);
     switch (ret) {
@@ -204,6 +206,7 @@ STATIC struct mqpersonal *DoMqueueCreate(const struct mq_attr *attr, const CHAR
     mqueueCB->mq_personal->mq_flags = (INT32)((UINT32)openFlag | ((UINT32)attr->mq_flags & (UINT32)FNONBLOCK));
     mqueueCB->mq_personal->mq_mode = mode;
     mqueueCB->mq_personal->mq_refcount = 0;
+    mqueueCB->mq_notify.pid = 0;
 
     return mqueueCB->mq_personal;
 ERROUT:
@@ -245,6 +248,44 @@ ERROUT:
     return (struct mqpersonal *)-1;
 }
 
+STATIC INT32 DoMqueueClose(struct mqpersonal *privateMqPersonal)
+{
+    struct mqarray *mqueueCB = NULL;
+    struct mqpersonal *tmp = NULL;
+
+    mqueueCB = privateMqPersonal->mq_posixdes;
+    if (mqueueCB == NULL || mqueueCB->mq_personal == NULL) {
+        errno = EBADF;
+        return LOS_NOK;
+    }
+
+    /* find the personal and remove */
+    if (mqueueCB->mq_personal == privateMqPersonal) {
+        mqueueCB->mq_personal = privateMqPersonal->mq_next;
+    } else {
+        for (tmp = mqueueCB->mq_personal; tmp->mq_next != NULL; tmp = tmp->mq_next) {
+            if (tmp->mq_next == privateMqPersonal) {
+                break;
+            }
+        }
+        if (tmp->mq_next == NULL) {
+            errno = EBADF;
+            return LOS_NOK;
+        }
+        tmp->mq_next = privateMqPersonal->mq_next;
+    }
+    /* flag no use */
+    privateMqPersonal->mq_status = 0;
+
+    /* free the personal */
+    (VOID)LOS_MemFree(OS_SYS_MEM_ADDR, privateMqPersonal);
+
+    if ((mqueueCB->unlinkflag == TRUE) && (mqueueCB->mq_personal == NULL)) {
+        return DoMqueueDelete(mqueueCB);
+    }
+    return LOS_OK;
+}
+
 /* Translate a sysFd into privateMqPersonal */
 STATIC struct mqpersonal *MqGetPrivDataBuff(mqd_t personal)
 {
@@ -270,29 +311,24 @@ STATIC struct mqpersonal *MqGetPrivDataBuff(mqd_t personal)
 STATIC INT32 MqAllocSysFd(int maxfdp, struct mqpersonal *privateMqPersonal)
 {
     INT32 i;
-    struct mqarray *mqueueCB = privateMqPersonal->mq_posixdes;
-    fd_set *fdset = &mqueueCB->mq_fdset;
+    fd_set *fdset = &g_queueFdSet;
     for (i = 0; i < maxfdp; i++) {
         /* sysFd: used bit setting, and get the index of swtmrID buffer */
-        if (!(fdset && FD_ISSET(i + MQUEUE_FD_OFFSET, fdset))) {
+        if (fdset && !(FD_ISSET(i + MQUEUE_FD_OFFSET, fdset))) {
             FD_SET(i + MQUEUE_FD_OFFSET, fdset);
             if (!g_mqPrivBuf[i]) {
-                g_mqPrivBuf[i] = mqueueCB->mq_personal;
+                g_mqPrivBuf[i] = privateMqPersonal;
                 return i + MQUEUE_FD_OFFSET;
             }
         }
     }
-    /* there are no more mq sysFd to use, free the personal */
-    LOS_MemFree(OS_SYS_MEM_ADDR, privateMqPersonal);
-    privateMqPersonal = NULL;
-    mqueueCB->mq_personal = NULL;
     return -1;
 }
 
-STATIC VOID MqFreeSysFd(struct mqarray *mqueueCB, mqd_t personal)
+STATIC VOID MqFreeSysFd(mqd_t personal)
 {
     INT32 sysFd = (INT32)personal;
-    fd_set *fdset = &mqueueCB->mq_fdset;
+    fd_set *fdset = &g_queueFdSet;
     if (fdset && FD_ISSET(sysFd, fdset)) {
         FD_CLR(sysFd, fdset);
         g_mqPrivBuf[sysFd - MQUEUE_FD_OFFSET] = NULL;
@@ -300,7 +336,7 @@ STATIC VOID MqFreeSysFd(struct mqarray *mqueueCB, mqd_t personal)
 }
 
 /* Mqueue fd reference count */
-void mqueue_refer(int sysFd)
+void MqueueRefer(int sysFd)
 {
     struct mqarray *mqueueCB = NULL;
     struct mqpersonal *privateMqPersonal = NULL;
@@ -315,10 +351,11 @@ void mqueue_refer(int sysFd)
     if (mqueueCB == NULL) {
         goto OUT_UNLOCK;
     }
+
     privateMqPersonal->mq_refcount++;
-    mqueueCB->unlink_ref++;
 OUT_UNLOCK:
     (VOID)pthread_mutex_unlock(&g_mqueueMutex);
+    return;
 }
 
 STATIC INT32 MqTryClose(struct mqpersonal *privateMqPersonal)
@@ -337,15 +374,6 @@ STATIC INT32 MqTryClose(struct mqpersonal *privateMqPersonal)
     return FALSE;
 }
 
-STATIC INT32 MqTryUnlink(struct mqarray *mqueueCB)
-{
-    if (mqueueCB->unlink_ref == 0) {
-        return TRUE;
-    }
-    mqueueCB->unlink_ref--;
-    return FALSE;
-}
-
 /* Set the mode data bit,for consumer's mode comparing. */
 STATIC INT32 MqueueModeAnalysisSet(struct mqpersonal *privateMqPersonal)
 {
@@ -492,6 +520,9 @@ mqd_t mq_open(const char *mqName, int openFlag, ...)
         }
         /* Set mode data bit ,just for the first node */
         if (MqueueModeAnalysisSet(privateMqPersonal)) {
+            if ((INT32)(UINTPTR)privateMqPersonal > 0) {
+                (VOID)DoMqueueClose(privateMqPersonal);
+            }
             goto OUT;
         }
     } else {
@@ -500,15 +531,18 @@ mqd_t mq_open(const char *mqName, int openFlag, ...)
         }
         privateMqPersonal = DoMqueueOpen(mqueueCB, openFlag);
     }
-OUT:
+
     if ((INT32)(UINTPTR)privateMqPersonal > 0) {
         /* alloc sysFd */
         sysFd = MqAllocSysFd(MAX_MQ_FD, privateMqPersonal);
         if (sysFd == -1) {
+            /* there are no more mq sysFd to use, close the personal */
+            (VOID)DoMqueueClose(privateMqPersonal);
             errno = ENFILE;
         }
         mqFd = (mqd_t)sysFd;
     }
+OUT:
     (VOID)pthread_mutex_unlock(&g_mqueueMutex);
     return mqFd;
 }
@@ -516,9 +550,7 @@ OUT:
 int mq_close(mqd_t personal)
 {
     INT32 ret = -1;
-    struct mqarray *mqueueCB = NULL;
     struct mqpersonal *privateMqPersonal = NULL;
-    struct mqpersonal *tmp = NULL;
 
     (VOID)pthread_mutex_lock(&g_mqueueMutex);
 
@@ -532,47 +564,18 @@ int mq_close(mqd_t personal)
         errno = EBADF;
         goto OUT_UNLOCK;
     }
-    /* there have other thread used the fd */
+
     if (!MqTryClose(privateMqPersonal)) {
         ret = 0;
         goto OUT_UNLOCK;
     }
-    mqueueCB = privateMqPersonal->mq_posixdes;
-    if (mqueueCB->mq_personal == NULL) {
-        errno = EBADF;
+
+    ret = DoMqueueClose(privateMqPersonal);
+    if (ret < 0) {
         goto OUT_UNLOCK;
     }
+    MqFreeSysFd(personal);
 
-    /* find the personal and remove */
-    if (mqueueCB->mq_personal == privateMqPersonal) {
-        mqueueCB->mq_personal = privateMqPersonal->mq_next;
-    } else {
-        for (tmp = mqueueCB->mq_personal; tmp->mq_next != NULL; tmp = tmp->mq_next) {
-            if (tmp->mq_next == privateMqPersonal) {
-                break;
-            }
-        }
-        if (tmp->mq_next == NULL) {
-            errno = EBADF;
-            goto OUT_UNLOCK;
-        }
-        tmp->mq_next = privateMqPersonal->mq_next;
-    }
-    /* flag no use */
-    privateMqPersonal->mq_status = 0;
-    MqFreeSysFd(mqueueCB, personal);
-
-    /* free the personal */
-    ret = LOS_MemFree(OS_SYS_MEM_ADDR, privateMqPersonal);
-    if (ret != LOS_OK) {
-        errno = EFAULT;
-        ret = -1;
-        goto OUT_UNLOCK;
-    }
-
-    if ((mqueueCB->unlinkflag == TRUE) && (mqueueCB->mq_personal == NULL)) {
-        ret = DoMqueueDelete(mqueueCB);
-    }
 OUT_UNLOCK:
     (VOID)pthread_mutex_unlock(&g_mqueueMutex);
     return ret;
@@ -665,10 +668,7 @@ int mq_unlink(const char *mqName)
         errno = ENOENT;
         goto ERROUT_UNLOCK;
     }
-    if (!MqTryUnlink(mqueueCB)) {
-        (VOID)pthread_mutex_unlock(&g_mqueueMutex);
-        return 0;
-    }
+
     if (mqueueCB->mq_personal != NULL) {
         mqueueCB->unlinkflag = TRUE;
     } else if (mqueueCB->unlink_ref == 0) {
@@ -717,6 +717,35 @@ STATIC INLINE BOOL MqParamCheck(mqd_t personal, const char *msg, size_t msgLen)
     return TRUE;
 }
 
+/*
+ * Send realtime a signal to process which registered itself
+ * successfully by mq_notify.
+ */
+static void MqSendNotify(struct mqarray *mqueueCB)
+{
+    struct mqnotify *mqnotify = &mqueueCB->mq_notify;
+
+    if ((mqnotify->pid) && (mqueueCB->mqcb->readWriteableCnt[OS_QUEUE_READ] == 0)) {
+        siginfo_t info;
+
+        switch (mqnotify->notify.sigev_notify) {
+            case SIGEV_SIGNAL:
+                /* sends signal */
+                /* Create the siginfo structure */
+                info.si_signo = mqnotify->notify.sigev_signo;
+                info.si_code = SI_MESGQ;
+                info.si_value = mqnotify->notify.sigev_value;
+                OsDispatch(mqnotify->pid, &info, OS_USER_KILL_PERMISSION);
+                break;
+            case SIGEV_NONE:
+            default:
+                break;
+        }
+        /* after notification unregisters process */
+        mqnotify->pid = 0;
+    }
+}
+
 #define OS_MQ_GOTO_ERROUT_UNLOCK_IF(expr, errcode) \
     if (expr) {                        \
         errno = errcode;                 \
@@ -754,6 +783,10 @@ int mq_timedsend(mqd_t personal, const char *msg, size_t msgLen, unsigned int ms
     mqueueID = mqueueCB->mq_id;
     (VOID)pthread_mutex_unlock(&g_mqueueMutex);
 
+    if (LOS_ListEmpty(&mqueueCB->mqcb->readWriteList[OS_QUEUE_READ])) {
+        MqSendNotify(mqueueCB);
+    }
+
     err = LOS_QueueWriteCopy(mqueueID, (VOID *)msg, (UINT32)msgLen, (UINT32)absTicks);
     if (map_errno(err) != ENOERR) {
         goto ERROUT;
@@ -832,4 +865,82 @@ ssize_t mq_receive(mqd_t personal, char *msg_ptr, size_t msg_len, unsigned int *
     return mq_timedreceive(personal, msg_ptr, msg_len, msg_prio, NULL);
 }
 
+STATIC INLINE BOOL MqNotifyParamCheck(mqd_t personal, const struct sigevent *sigev)
+{
+    if (personal < 0) {
+        errno = EBADF;
+        goto ERROUT;
+    }
+
+    if (sigev != NULL) {
+        if (sigev->sigev_notify != SIGEV_NONE && sigev->sigev_notify != SIGEV_SIGNAL) {
+            errno = EINVAL;
+            goto ERROUT;
+        }
+        if (sigev->sigev_notify == SIGEV_SIGNAL && !GOOD_SIGNO(sigev->sigev_signo)) {
+            errno = EINVAL;
+            goto ERROUT;
+        }
+    }
+
+    return TRUE;
+ERROUT:
+    return FALSE;
+}
+
+int OsMqNotify(mqd_t personal, const struct sigevent *sigev)
+{
+    struct mqarray *mqueueCB = NULL;
+    struct mqnotify *mqnotify = NULL;
+    struct mqpersonal *privateMqPersonal = NULL;
+
+    if (!MqNotifyParamCheck(personal, sigev)) {
+        goto ERROUT;
+    }
+
+    (VOID)pthread_mutex_lock(&g_mqueueMutex);
+    privateMqPersonal = MqGetPrivDataBuff(personal);
+    if (privateMqPersonal == NULL) {
+        goto OUT_UNLOCK;
+    }
+
+    if (privateMqPersonal->mq_status != MQ_USE_MAGIC) {
+        errno = EBADF;
+        goto OUT_UNLOCK;
+    }
+
+    mqueueCB = privateMqPersonal->mq_posixdes;
+    mqnotify = &mqueueCB->mq_notify;
+
+    if (sigev == NULL) {
+        if (mqnotify->pid == LOS_GetCurrProcessID()) {
+            mqnotify->pid = 0;
+        }
+    } else if (mqnotify->pid != 0) {
+        errno = EBUSY;
+        goto OUT_UNLOCK;
+    } else {
+        switch (sigev->sigev_notify) {
+            case SIGEV_NONE:
+                mqnotify->notify.sigev_notify = SIGEV_NONE;
+                break;
+            case SIGEV_SIGNAL:
+                mqnotify->notify.sigev_signo = sigev->sigev_signo;
+                mqnotify->notify.sigev_value = sigev->sigev_value;
+                mqnotify->notify.sigev_notify = SIGEV_SIGNAL;
+                break;
+            default:
+                break;
+        }
+
+        mqnotify->pid = LOS_GetCurrProcessID();
+    }
+
+    (VOID)pthread_mutex_unlock(&g_mqueueMutex);
+    return 0;
+OUT_UNLOCK:
+    (VOID)pthread_mutex_unlock(&g_mqueueMutex);
+ERROUT:
+    return -1;
+}
 #endif

compat/posix/src/pthread.c

@@ -231,7 +231,7 @@ int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
 
     SetPthreadAttr(self, attr, &userAttr);
 
-    (VOID)snprintf_s(name, sizeof(name), sizeof(name) - 1, "pth%02d", pthreadNumber);
+    (VOID)snprintf_s(name, sizeof(name), sizeof(name) - 1, "pth%02u", pthreadNumber);
     pthreadNumber++;
 
     taskInitParam.pcName       = name;

compat/posix/src/sched.c

@@ -138,3 +138,8 @@ int __sched_cpucount(size_t set_size, const cpu_set_t* set)
     return count;
 }
 
+int sched_yield()
+{
+    (void)LOS_TaskYield();
+    return 0;
+}

compat/posix/src/stdio.c

@@ -0,0 +1,121 @@
+/*
+ * 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 <unistd.h>
+#include <sys/types.h>
+#include <dirent.h>
+#ifdef LOSCFG_FS_VFS
+#include <fs/fs.h>
+
+off_t _lseek(int fd, off_t offset, int whence)
+{
+    int ret;
+    struct file *filep = NULL;
+
+    /* Get the file structure corresponding to the file descriptor. */
+    ret = fs_getfilep(fd, &filep);
+    if (ret < 0) {
+        /* The errno value has already been set */
+        return (off_t)-get_errno();
+    }
+
+    /* libc seekdir function should set the whence to SEEK_SET, so we can discard
+     * the whence argument here */
+    if (filep->f_oflags & O_DIRECTORY) {
+        /* defensive coding */
+        if (filep->f_dir == NULL) {
+            return (off_t)-EINVAL;
+        }
+        if (offset == 0) {
+            rewinddir(filep->f_dir);
+        } else {
+            seekdir(filep->f_dir, offset);
+        }
+        ret = telldir(filep->f_dir);
+        if (ret < 0) {
+            return (off_t)-get_errno();
+        }
+        return ret;
+    }
+
+    /* Then let file_seek do the real work */
+    ret = file_seek(filep, offset, whence);
+    if (ret < 0) {
+        return -get_errno();
+    }
+    return ret;
+}
+
+off64_t _lseek64(int fd, int offsetHigh, int offsetLow, off64_t *result, int whence)
+{
+    off64_t ret;
+    struct file *filep = NULL;
+    off64_t offset = ((off64_t)offsetHigh << 32) + (uint)offsetLow; /* 32: offsetHigh is high 32 bits */
+
+    /* Get the file structure corresponding to the file descriptor. */
+    ret = fs_getfilep(fd, &filep);
+    if (ret < 0) {
+        /* The errno value has already been set */
+        return (off64_t)-get_errno();
+    }
+
+    /* libc seekdir function should set the whence to SEEK_SET, so we can discard
+     * the whence argument here */
+    if (filep->f_oflags & O_DIRECTORY) {
+        /* defensive coding */
+        if (filep->f_dir == NULL) {
+            return (off64_t)-EINVAL;
+        }
+        if (offsetLow == 0) {
+            rewinddir(filep->f_dir);
+        } else {
+            seekdir(filep->f_dir, offsetLow);
+        }
+        ret = telldir(filep->f_dir);
+        if (ret < 0) {
+            return (off64_t)-get_errno();
+        }
+        goto out;
+    }
+
+    /* Then let file_seek do the real work */
+    ret = file_seek64(filep, offset, whence);
+    if (ret < 0) {
+        return (off64_t)-get_errno();
+    }
+
+out:
+    *result = ret;
+
+    return 0;
+}
+
+#endif

compat/posix/src/stdlib.c

@@ -29,40 +29,43 @@
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include <sys/statfs.h>
-#include <sys/mount.h>
-#include "proc_fs.h"
+#include <stdlib.h>
+#include <stdint.h>
+#include <errno.h>
+#include "los_printf.h"
+#include "los_exc.h"
 
-#ifdef LOSCFG_KERNEL_TRACE
-#include "los_trace.h"
-static int KernelTraceProcFill(struct SeqBuf *m, void *v)
+char *getenv(const char *name)
 {
-    (void)v;
-    if (m == NULL) {
-        return -LOS_EPERM;
-    }
-
-    if (m->buf == NULL) {
-        m->buf = (char *)LOS_TraceBufDataGet(&(m->size), &(m->count));
-    }
-    return 0;
+    return NULL;
 }
 
-static const struct ProcFileOperations KERNEL_TRACE_PROC_FOPS = {
-    .read       = KernelTraceProcFill,
-};
-#endif
-
-void ProcKernelTraceInit(void)
+void srand(unsigned s)
 {
-#ifdef LOSCFG_KERNEL_TRACE
-    struct ProcDirEntry *pde = CreateProcEntry("ktrace", 0, NULL);
-    if (pde == NULL) {
-        PRINT_ERR("create /proc/ktrace error!\n");
-        return;
-    }
-
-    pde->procFileOps = &KERNEL_TRACE_PROC_FOPS;
-#endif
+    return srandom(s);
 }
 
+int rand(void)
+{
+   return random();
+}
+
+void _exit(int status)
+{
+    PRINT_ERR("%s NOT SUPPORT\n", __FUNCTION__);
+    errno = ENOSYS;
+    while (1);
+}
+
+void exit(int status)
+{
+    PRINT_ERR("%s NOT SUPPORT\n", __FUNCTION__);
+    errno = ENOSYS;
+    while (1);
+}
+
+void abort(void)
+{
+    LOS_Panic("System was being aborted\n");
+    while (1);
+}

compat/posix/src/time.c

@@ -452,11 +452,25 @@ int clock_settime(clockid_t clockID, const struct timespec *tp)
 }
 
 #ifdef LOSCFG_KERNEL_CPUP
+inline UINT32 GetTidFromClockID(clockid_t clockID)
+{
+    // In musl/src/thread/pthread_getcpuclockid.c, we know 'clockid = (-tid - 1) * 8 + 6' 
+    UINT32 tid = -(clockID - 6) / 8 - 1; // 6 8 1 inverse operation from clockID to tid
+    return tid;
+}
+
+inline const pid_t GetPidFromClockID(clockid_t clockID)
+{
+    // In musl/src/time/clock_getcpuclockid.c, we know 'clockid = (-pid - 1) * 8 + 2'
+    const pid_t pid = -(clockID - 2) / 8 - 1; // 2 8 1 inverse operation from clockID to pid
+    return pid;
+}
+
 static int PthreadGetCputime(clockid_t clockID, struct timespec *ats)
 {
     uint64_t runtime;
     UINT32 intSave;
-    UINT32 tid = ((UINT32) ~((UINT32)(clockID) >> CPUCLOCK_ID_OFFSET));
+    UINT32 tid = GetTidFromClockID(clockID);
 
     if (OS_TID_CHECK_INVALID(tid)) {
         return -EINVAL;
@@ -482,7 +496,7 @@ static int ProcessGetCputime(clockid_t clockID, struct timespec *ats)
 {
     UINT64 runtime;
     UINT32 intSave;
-    const pid_t pid = ((pid_t) ~((UINT32)(clockID) >> CPUCLOCK_ID_OFFSET));
+    const pid_t pid = GetPidFromClockID(clockID);
     LosProcessCB *spcb = NULL;
 
     if (OsProcessIDUserCheckInvalid(pid) || pid < 0) {
@@ -524,7 +538,7 @@ static int GetCputime(clockid_t clockID, struct timespec *tp)
 static int CheckClock(const clockid_t clockID)
 {
     int error = 0;
-    const pid_t pid = ((pid_t) ~((UINT32)(clockID) >> CPUCLOCK_ID_OFFSET));
+    const pid_t pid = GetPidFromClockID(clockID);
 
     if (!((UINT32)clockID & CPUCLOCK_PERTHREAD_MASK)) {
         LosProcessCB *spcb = NULL;
@@ -950,11 +964,11 @@ int timer_getoverrun(timer_t timerID)
     return (overRun > DELAYTIMER_MAX) ? DELAYTIMER_MAX : overRun;
 }
 
-STATIC INT32 DoNanoSleep(UINT64 useconds)
+STATIC INT32 DoNanoSleep(UINT64 nanoseconds)
 {
     UINT32 ret;
 
-    ret = LOS_TaskDelay(OsUS2Tick(useconds));
+    ret = LOS_TaskDelay(OsNS2Tick(nanoseconds));
     if (ret == LOS_OK || ret == LOS_ERRNO_TSK_YIELD_NOT_ENOUGH_TASK) {
         return 0;
     }
@@ -963,12 +977,12 @@ STATIC INT32 DoNanoSleep(UINT64 useconds)
 
 int usleep(unsigned useconds)
 {
-    return DoNanoSleep((UINT64)useconds);
+    return DoNanoSleep((UINT64)useconds * OS_SYS_NS_PER_US);
 }
 
 int nanosleep(const struct timespec *rqtp, struct timespec *rmtp)
 {
-    UINT64 useconds;
+    UINT64 nanoseconds;
     INT32 ret = -1;
 
     (VOID)rmtp;
@@ -979,14 +993,14 @@ int nanosleep(const struct timespec *rqtp, struct timespec *rmtp)
         return ret;
     }
 
-    useconds = (UINT64)rqtp->tv_sec * OS_SYS_US_PER_SECOND + rqtp->tv_nsec / OS_SYS_NS_PER_US;
+    nanoseconds = (UINT64)rqtp->tv_sec * OS_SYS_NS_PER_SECOND + rqtp->tv_nsec;
 
-    return DoNanoSleep(useconds);
+    return DoNanoSleep(nanoseconds);
 }
 
 unsigned int sleep(unsigned int seconds)
 {
-    return DoNanoSleep((UINT64)seconds * OS_SYS_US_PER_SECOND);
+    return DoNanoSleep((UINT64)seconds * OS_SYS_NS_PER_SECOND);
 }
 
 double difftime(time_t time2, time_t time1)
@@ -1121,3 +1135,19 @@ VOID OsVdsoTimeGet(VdsoDataPage *vdsoDataPage)
 }
 #endif
 
+time_t time(time_t *t)
+{
+    struct timeval tp;
+    int ret;
+
+    /* Get the current time from the system */
+    ret = gettimeofday(&tp, (struct timezone *)NULL);
+    if (ret == LOS_OK) {
+        /* Return the seconds since the epoch */
+        if (t) {
+            *t = tp.tv_sec;
+        }
+        return tp.tv_sec;
+    }
+    return (time_t)OS_ERROR;
+}

config.mk

@@ -29,16 +29,8 @@
 
 ############### this is a makefile that you can config it ###############
 -include $(LITEOSTOPDIR)/tools/build/mk/los_config.mk
-
-TOP_LD_PATH      = $(LITEOSTOPDIR)
-SCRIPTS_PATH     = $(LITEOS_SCRIPTPATH)
-LITEOS_MK_PATH   = $(MK_PATH)
-LITEOS_SUBDIRS   = $(LIB_SUBDIRS)
-LIB_BIGODIR      = $(LITEOS_LIB_BIGODIR)
-
 ##### liteos tables -u ldflags #####
--include $(LITEOS_MK_PATH)/liteos_tables_ldflags.mk
-
+-include $(LITEOSTOPDIR)/tools/build/mk/liteos_tables_ldflags.mk
 
 LITEOS_COPTS   := $(LITEOS_COPTS_DEBUG) $(LITEOS_COPTS_BASE)  \
                   $(LITEOS_COPTS_EXTRA) $(LITEOS_CORE_COPTS)
@@ -59,3 +51,11 @@ LITEOS_CXXFLAGS := $(LITEOS_CXXOPTS)     $(LITEOS_CXXMACRO) \
 LITEOS_LDFLAGS  := $(LITEOS_LD_OPTS)     $(LITEOS_LD_PATH) \
                    $(LITEOS_LD_SCRIPT)
 
+# clear all local variables
+LOCAL_FLAGS    :=
+LOCAL_CFLAGS   :=
+LOCAL_CPPFLAGS :=
+LOCAL_ASFLAGS  :=
+LOCAL_SRCS     :=
+LOCAL_CHS      :=
+LOCAL_CPPHS    :=

drivers/BUILD.gn

@@ -0,0 +1,56 @@
+# 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_a/liteos.gni")
+
+group("drivers") {
+  deps = [
+    "block/disk",
+    "char/bch",
+    "char/mem",
+    "char/quickstart",
+    "char/random",
+    "char/trace",
+    "char/video",
+    "mtd/multi_partition",
+  ]
+}
+
+config("public") {
+  configs = [
+    "block/disk:public",
+    "char/bch:public",
+    "char/mem:public",
+    "char/quickstart:public",
+    "char/random:public",
+    "char/video:public",
+    "char/trace:public",
+    "mtd/multi_partition:public",
+  ]
+}

drivers/block/disk/BUILD.gn

@@ -0,0 +1,45 @@
+# 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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_FS_FAT_DISK)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [
+    "src/disk.c",
+    "src/disk_shellcmd.c",
+  ]
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
+}

drivers/block/disk/include/disk.h

@@ -165,6 +165,10 @@ extern "C" {
 #define DISK_ATA_GET_MODEL      21  /* Get model name */
 #define DISK_ATA_GET_SN         22  /* Get serial number */
 
+#ifdef LOSCFG_FS_FAT_CACHE
+#define DISK_DIRECT_BUFFER_SIZE 4   /* los_disk direct io buffer when bcache is off */
+#endif
+
 typedef enum _disk_status_ {
     STAT_UNUSED,
     STAT_INUSED,
@@ -187,6 +191,9 @@ typedef struct _los_disk_ {
     CHAR *disk_name;
     LOS_DL_LIST head;       /* link head of all the partitions */
     struct pthread_mutex disk_mutex;
+#ifndef LOSCFG_FS_FAT_CACHE
+    UINT8 *buff;
+#endif
 } los_disk;
 
 typedef struct _los_part_ {

drivers/block/disk/src/disk.c

@@ -36,6 +36,10 @@
 #include "sys/mount.h"
 #include "linux/spinlock.h"
 #include "path_cache.h"
+#ifndef LOSCFG_FS_FAT_CACHE
+#include "los_vm_common.h"
+#include "user_copy.h"
+#endif
 
 los_disk g_sysDisk[SYS_MAX_DISK];
 los_part g_sysPart[SYS_MAX_PART];
@@ -799,6 +803,78 @@ INT32 DiskPartitionRegister(los_disk *disk)
     return ENOERR;
 }
 
+#ifndef LOSCFG_FS_FAT_CACHE
+static INT32 disk_read_directly(los_disk *disk, VOID *buf, UINT64 sector, UINT32 count)
+{
+    INT32 result = VFS_ERROR;
+    struct block_operations *bops = (struct block_operations *)((struct drv_data *)disk->dev->data)->ops;
+    if ((bops == NULL) || (bops->read == NULL)) {
+        return VFS_ERROR;
+    }
+    if (LOS_IsUserAddressRange((VADDR_T)buf, count * disk->sector_size)) {
+        UINT32 cnt = 0;
+        UINT8 *buffer = disk->buff;
+        for (; count != 0; count -= cnt) {
+            cnt = (count > DISK_DIRECT_BUFFER_SIZE) ? DISK_DIRECT_BUFFER_SIZE : count;
+            result = bops->read(disk->dev, buffer, sector, cnt);
+            if (result == (INT32)cnt) {
+                result = ENOERR;
+            } else {
+                break;
+            }
+            if (LOS_CopyFromKernel(buf, disk->sector_size * cnt, buffer, disk->sector_size * cnt)) {
+                result = VFS_ERROR;
+                break;
+            }
+            buf = (UINT8 *)buf + disk->sector_size * cnt;
+            sector += cnt;
+        }
+    } else {
+        result = bops->read(disk->dev, buf, sector, count);
+        if (result == count) {
+            result = ENOERR;
+        }
+    }
+
+    return result;
+}
+
+static INT32 disk_write_directly(los_disk *disk, const VOID *buf, UINT64 sector, UINT32 count)
+{
+    struct block_operations *bops = (struct block_operations *)((struct drv_data *)disk->dev->data)->ops;
+    INT32 result = VFS_ERROR;
+    if ((bops == NULL) || (bops->read == NULL)) {
+        return VFS_ERROR;
+    }
+    if (LOS_IsUserAddressRange((VADDR_T)buf, count * disk->sector_size)) {
+        UINT32 cnt = 0;
+        UINT8 *buffer = disk->buff;
+        for (; count != 0; count -= cnt) {
+            cnt = (count > DISK_DIRECT_BUFFER_SIZE) ? DISK_DIRECT_BUFFER_SIZE : count;
+            if (LOS_CopyToKernel(buffer, disk->sector_size * cnt, buf, disk->sector_size * cnt)) {
+                result = VFS_ERROR;
+                break;
+            }
+            result = bops->write(disk->dev, buffer, sector, cnt);
+            if (result == (INT32)cnt) {
+                result = ENOERR;
+            } else {
+                break;
+            }
+            buf = (UINT8 *)buf + disk->sector_size * cnt;
+            sector += cnt;
+        }
+    } else {
+        result = bops->write(disk->dev, buf, sector, count);
+        if (result == count) {
+            result = ENOERR;
+        }
+    }
+
+    return result;
+}
+#endif
+
 INT32 los_disk_read(INT32 drvID, VOID *buf, UINT64 sector, UINT32 count, BOOL useRead)
 {
 #ifdef LOSCFG_FS_FAT_CACHE
@@ -837,21 +913,14 @@ INT32 los_disk_read(INT32 drvID, VOID *buf, UINT64 sector, UINT32 count, BOOL us
             PRINT_ERR("los_disk_read read err = %d, sector = %llu, len = %u\n", result, sector, len);
         }
     } else {
-#endif
+        result = VFS_ERROR;
+    }
+#else
     if (disk->dev == NULL) {
         goto ERROR_HANDLE;
     }
-    struct block_operations *bops = (struct block_operations *)((struct drv_data *)disk->dev->data)->ops;
-    if ((bops != NULL) && (bops->read != NULL)) {
-        result = bops->read(disk->dev, (UINT8 *)buf, sector, count);
-        if (result == (INT32)count) {
-            result = ENOERR;
-        }
-    }
-#ifdef LOSCFG_FS_FAT_CACHE
-    }
+    result = disk_read_directly(disk, buf, sector, count);
 #endif
-
     if (result != ENOERR) {
         goto ERROR_HANDLE;
     }
@@ -900,18 +969,14 @@ INT32 los_disk_write(INT32 drvID, const VOID *buf, UINT64 sector, UINT32 count)
             PRINT_ERR("los_disk_write write err = %d, sector = %llu, len = %u\n", result, sector, len);
         }
     } else {
-#endif
-    struct block_operations *bops = (struct block_operations *)((struct drv_data *)disk->dev->data)->ops;
-    if ((bops != NULL) && (bops->write != NULL)) {
-        result = bops->write(disk->dev, (UINT8 *)buf, sector, count);
-        if (result == (INT32)count) {
-            result = ENOERR;
-        }
+        result = VFS_ERROR;
     }
-#ifdef LOSCFG_FS_FAT_CACHE
+#else
+    if (disk->dev == NULL) {
+        goto ERROR_HANDLE;
     }
+    result = disk_write_directly(disk, buf, sector, count);
 #endif
-
     if (result != ENOERR) {
         goto ERROR_HANDLE;
     }
@@ -1153,7 +1218,8 @@ ERROR_HANDLE:
 
 INT32 los_disk_cache_clear(INT32 drvID)
 {
-    INT32 result;
+    INT32 result = ENOERR;
+#ifdef LOSCFG_FS_FAT_CACHE
     los_part *part = get_part(drvID);
     los_disk *disk = NULL;
 
@@ -1161,7 +1227,7 @@ INT32 los_disk_cache_clear(INT32 drvID)
         return VFS_ERROR;
     }
     result = OsSdSync(part->disk_id);
-    if (result != 0) {
+    if (result != ENOERR) {
         PRINTK("[ERROR]disk_cache_clear SD sync failed!\n");
         return result;
     }
@@ -1174,7 +1240,7 @@ INT32 los_disk_cache_clear(INT32 drvID)
     DISK_LOCK(&disk->disk_mutex);
     result = BcacheClearCache(disk->bcache);
     DISK_UNLOCK(&disk->disk_mutex);
-
+#endif
     return result;
 }
 
@@ -1324,6 +1390,10 @@ static INT32 DiskDeinit(los_disk *disk)
 
 #ifdef LOSCFG_FS_FAT_CACHE
     DiskCacheDeinit(disk);
+#else
+    if (disk->buff != NULL) {
+        free(disk->buff);
+    }
 #endif
 
     disk->dev = NULL;
@@ -1344,12 +1414,15 @@ static INT32 DiskDeinit(los_disk *disk)
     return ENOERR;
 }
 
-static VOID OsDiskInitSub(const CHAR *diskName, INT32 diskID, los_disk *disk,
-                          struct geometry *diskInfo, struct Vnode *blkDriver)
+static UINT32 OsDiskInitSub(const CHAR *diskName, INT32 diskID, los_disk *disk,
+                            struct geometry *diskInfo, struct Vnode *blkDriver)
 {
     pthread_mutexattr_t attr;
 #ifdef LOSCFG_FS_FAT_CACHE
     OsBcache *bc = DiskCacheInit((UINT32)diskID, diskInfo, blkDriver);
+    if (bc == NULL) {
+        return VFS_ERROR;
+    }
     disk->bcache = bc;
 #endif
 
@@ -1358,6 +1431,16 @@ static VOID OsDiskInitSub(const CHAR *diskName, INT32 diskID, los_disk *disk,
     (VOID)pthread_mutex_init(&disk->disk_mutex, &attr);
 
     DiskStructInit(diskName, diskID, diskInfo, blkDriver, disk);
+
+#ifndef LOSCFG_FS_FAT_CACHE
+    disk->buff = malloc(diskInfo->geo_sectorsize * DISK_DIRECT_BUFFER_SIZE);
+    if (disk->buff == NULL) {
+        PRINT_ERR("OsDiskInitSub: direct buffer of disk init failed\n");
+        return VFS_ERROR;
+    }
+#endif
+
+    return ENOERR;
 }
 
 INT32 los_disk_init(const CHAR *diskName, const struct block_operations *bops,
@@ -1382,14 +1465,12 @@ INT32 los_disk_init(const CHAR *diskName, const struct block_operations *bops,
     ret = VnodeLookup(diskName, &blkDriver, 0);
     if (ret < 0) {
         VnodeDrop();
-        PRINT_ERR("disk_init : find %s fail!\n", diskName);
         ret = ENOENT;
         goto DISK_FIND_ERROR;
     }
     struct block_operations *bops2 = (struct block_operations *)((struct drv_data *)blkDriver->data)->ops;
 
-    if ((bops2 == NULL) || (bops2->geometry == NULL) ||
-        (bops2->geometry(blkDriver, &diskInfo) != 0)) {
+    if ((bops2 == NULL) || (bops2->geometry == NULL) || (bops2->geometry(blkDriver, &diskInfo) != 0)) {
         goto DISK_BLKDRIVER_ERROR;
     }
 
@@ -1397,7 +1478,12 @@ INT32 los_disk_init(const CHAR *diskName, const struct block_operations *bops,
         goto DISK_BLKDRIVER_ERROR;
     }
 
-    OsDiskInitSub(diskName, diskID, disk, &diskInfo, blkDriver);
+    ret = OsDiskInitSub(diskName, diskID, disk, &diskInfo, blkDriver);
+    if (ret != ENOERR) {
+        (VOID)DiskDeinit(disk);
+        VnodeDrop();
+        return VFS_ERROR;
+    }
     VnodeDrop();
     if (DiskDivideAndPartitionRegister(info, disk) != ENOERR) {
         (VOID)DiskDeinit(disk);
@@ -1422,10 +1508,13 @@ DISK_FIND_ERROR:
 
 INT32 los_disk_deinit(INT32 diskID)
 {
+    int ret;
     los_disk *disk = get_disk(diskID);
     if (disk == NULL) {
         return -EINVAL;
     }
+    ret = ForceUmountDev(disk->dev);
+    PRINTK("warning: %s lost, force umount ret = %d\n", disk->disk_name, ret);
 
     DISK_LOCK(&disk->disk_mutex);
 

drivers/char/bch/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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_FS_VFS_BLOCK_DEVICE)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [
+    "$LITEOSTHIRDPARTY/NuttX/drivers/bch/bchdev_driver.c",
+    "$LITEOSTHIRDPARTY/NuttX/drivers/bch/bchdev_register.c",
+    "$LITEOSTHIRDPARTY/NuttX/drivers/bch/bchdev_unregister.c",
+    "$LITEOSTHIRDPARTY/NuttX/drivers/bch/bchlib_cache.c",
+    "$LITEOSTHIRDPARTY/NuttX/drivers/bch/bchlib_read.c",
+    "$LITEOSTHIRDPARTY/NuttX/drivers/bch/bchlib_sem.c",
+    "$LITEOSTHIRDPARTY/NuttX/drivers/bch/bchlib_setup.c",
+    "$LITEOSTHIRDPARTY/NuttX/drivers/bch/bchlib_teardown.c",
+    "$LITEOSTHIRDPARTY/NuttX/drivers/bch/bchlib_write.c",
+  ]
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
+}

drivers/char/mem/BUILD.gn

@@ -0,0 +1,42 @@
+# 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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_DRIVERS_MEM)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [ "src/mem.c" ]
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
+}

drivers/char/quickstart/BUILD.gn

@@ -0,0 +1,42 @@
+# 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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_DRIVERS_QUICKSTART)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [ "src/quickstart.c" ]
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
+}

drivers/char/random/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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_DRIVERS_RANDOM)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [ "src/random.c" ]
+
+  if (defined(LOSCFG_HW_RANDOM_ENABLE)) {
+    sources += [ "src/random_hw.c" ]
+  }
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
+}

drivers/char/trace/BUILD.gn

@@ -0,0 +1,42 @@
+# 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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_DRIVERS_TRACE)
+module_name = "trace_dev"
+kernel_module(module_name) {
+  sources = [ "src/trace.c" ]
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
+}

drivers/char/trace/Kconfig

@@ -0,0 +1,6 @@
+config DRIVERS_TRACE
+    bool "Enable TRACE DRIVER"
+    default y
+    depends on DRIVERS && FS_VFS && KERNEL_TRACE
+    help
+      Answer Y to enable LiteOS support trace in userspace.

drivers/char/trace/Makefile

@@ -0,0 +1,40 @@
+# 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 $(LITEOSTOPDIR)/config.mk
+
+MODULE_NAME := trace_dev
+
+LOCAL_SRCS :=  $(wildcard src/*.c)
+
+LOCAL_INCLUDE := -I $(LITEOSTOPDIR)/drivers/char/trace/include
+
+LOCAL_FLAGS := $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
+
+include $(MODULE)

drivers/char/trace/include/los_dev_trace.h

@@ -0,0 +1,49 @@
+/*
+ * 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_DEV_TRACE_H__
+#define __LOS_DEV_TRACE_H__
+
+#ifdef __cplusplus
+#if __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+int DevTraceRegister(void);
+
+#ifdef __cplusplus
+#if __cplusplus
+}
+#endif /* __cplusplus */
+#endif /* __cplusplus */
+
+#endif

drivers/char/trace/src/trace.c

@@ -0,0 +1,160 @@
+/*
+ * 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 "fcntl.h"
+#include "linux/kernel.h"
+#include "sys/ioctl.h"
+#include "fs/driver.h"
+#include "los_dev_trace.h"
+#include "los_trace.h"
+#include "los_hook.h"
+#include "los_init.h"
+
+#define TRACE_DRIVER "/dev/trace"
+#define TRACE_DRIVER_MODE 0666
+
+/* trace ioctl */
+#define TRACE_IOC_MAGIC     'T'
+#define TRACE_START         _IO(TRACE_IOC_MAGIC, 1)
+#define TRACE_STOP          _IO(TRACE_IOC_MAGIC, 2)
+#define TRACE_RESET         _IO(TRACE_IOC_MAGIC, 3)
+#define TRACE_DUMP          _IO(TRACE_IOC_MAGIC, 4)
+#define TRACE_SET_MASK      _IO(TRACE_IOC_MAGIC, 5)
+
+static int TraceOpen(struct file *filep)
+{
+    return 0;
+}
+
+static int TraceClose(struct file *filep)
+{
+    return 0;
+}
+
+static ssize_t TraceRead(struct file *filep, char *buffer, size_t buflen)
+{
+    /* trace record buffer read */
+    ssize_t len = buflen;
+    OfflineHead *records;
+    int ret;
+    int realLen;
+
+    if (len % sizeof(unsigned int)) {
+        PRINT_ERR("Buffer size not aligned by 4 bytes\n");
+        return -EINVAL;
+    }
+
+    records = LOS_TraceRecordGet();
+    if (records == NULL) {
+        PRINT_ERR("Trace read failed, check whether trace mode is set to offline\n");
+        return -EINVAL;
+    }
+
+    realLen = buflen < records->totalLen ? buflen : records->totalLen;
+    ret = LOS_CopyFromKernel((void *)buffer, buflen, (void *)records, realLen);
+    if (ret != 0) {
+        return -EINVAL;
+    }
+
+    return realLen;
+}
+
+static ssize_t TraceWrite(struct file *filep, const char *buffer, size_t buflen)
+{
+    /* trace usr event here */
+    int ret;
+    UsrEventInfo *info = NULL;
+    int infoLen = sizeof(UsrEventInfo);
+
+    if (buflen != infoLen) {
+        PRINT_ERR("Buffer size not %d bytes\n", infoLen);
+        return -EINVAL;
+    }
+
+    info = LOS_MemAlloc(m_aucSysMem0, infoLen);
+    if (info == NULL) {
+        return -ENOMEM;
+    }
+    memset_s(info, infoLen, 0, infoLen);
+
+    ret = LOS_CopyToKernel(info, infoLen, buffer, buflen);
+    if (ret != 0) {
+        LOS_MemFree(m_aucSysMem0, info);
+        return -EINVAL;
+    }
+    OsHookCall(LOS_HOOK_TYPE_USR_EVENT, info, infoLen);
+    return 0;
+}
+
+static int TraceIoctl(struct file *filep, int cmd, unsigned long arg)
+{
+    switch (cmd) {
+        case TRACE_START:
+            return LOS_TraceStart();
+        case TRACE_STOP:
+            LOS_TraceStop();
+            break;
+        case TRACE_RESET:
+            LOS_TraceReset();
+            break;
+        case TRACE_DUMP:
+            LOS_TraceRecordDump((BOOL)arg);
+            break;
+        case TRACE_SET_MASK:
+            LOS_TraceEventMaskSet((UINT32)arg);
+            break;
+        default:
+            PRINT_ERR("Unknown trace ioctl cmd:%d\n", cmd);
+            return -EINVAL;
+    }
+    return 0;
+}
+
+static const struct file_operations_vfs g_traceDevOps = {
+    TraceOpen,       /* open */
+    TraceClose,      /* close */
+    TraceRead,       /* read */
+    TraceWrite,      /* write */
+    NULL,            /* seek */
+    TraceIoctl,      /* ioctl */
+    NULL,            /* mmap */
+#ifndef CONFIG_DISABLE_POLL
+    NULL,            /* poll */
+#endif
+    NULL,            /* unlink */
+};
+
+int DevTraceRegister(void)
+{
+    return register_driver(TRACE_DRIVER, &g_traceDevOps, TRACE_DRIVER_MODE, 0); /* 0666: file mode */
+}
+
+LOS_MODULE_INIT(DevTraceRegister, LOS_INIT_LEVEL_KMOD_EXTENDED);

drivers/char/video/BUILD.gn

@@ -0,0 +1,42 @@
+# 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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_DRIVERS_VIDEO)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [ "$LITEOSTHIRDPARTY/NuttX/drivers/video/fb.c" ]
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "$LITEOSTHIRDPARTY/NuttX/include/nuttx/video" ]
+}

drivers/mtd/multi_partition/BUILD.gn

@@ -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.
+
+import("//kernel/liteos_a/liteos.gni")
+
+module_switch = defined(LOSCFG_FS_VFS)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [
+    "src/mtd_partition.c",
+    "src/mtd_shellcmd.c",
+  ]
+
+  include_dirs = [ "$LITEOSTOPDIR/fs/jffs2/include" ]
+
+  if (defined(LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7)) {
+    include_dirs += [ "//device/qemu/drivers/cfiflash" ]
+  }
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
+}

drivers/mtd/multi_partition/Makefile

@@ -35,8 +35,8 @@ LOCAL_SRCS :=  $(wildcard src/*.c)
 
 LOCAL_INCLUDE := \
     -I $(LITEOSTOPDIR)/fs/jffs2/include \
-    -I $(LITEOSTOPDIR)/drivers/mtd/multi_partition/include \
-    -I $(LITEOSTOPDIR)/../../device/hisilicon/drivers/include/mtd/common/include
+    -I $(LITEOSTOPDIR)/../../drivers/framework/model/storage/include \
+    -I $(LITEOSTOPDIR)/../../drivers/adapter/khdf/liteos/model/storage/include
 
 ifeq ($(LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7), y)
 LOCAL_INCLUDE += -I $(LITEOSTOPDIR)/../../device/qemu/drivers/cfiflash

drivers/mtd/multi_partition/src/mtd_partition.c

@@ -37,7 +37,7 @@
 #include "los_config.h"
 #include "los_mux.h"
 #include "fs/driver.h"
-#include "mtd_common.h"
+#include "mtd_legacy_lite.h"
 
 #ifdef LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7
 #include "cfiflash.h"

fs/BUILD.gn

@@ -0,0 +1,56 @@
+# 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_a/liteos.gni")
+
+group("fs") {
+  deps = [
+    "fat",
+    "fat/virpart",
+    "jffs2",
+    "nfs",
+    "proc",
+    "ramfs",
+    "romfs",
+    "vfs",
+    "vfs/bcache",
+    "zpfs",
+  ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
+  configs = [
+    "vfs:public",
+    "vfs/bcache:public",
+    "fat:public",
+    "fat/virpart:public",
+    "proc:public",
+  ]
+}

fs/fat/BUILD.gn

@@ -0,0 +1,55 @@
+# 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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_FS_FAT)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [
+    "os_adapt/fat_shellcmd.c",
+    "os_adapt/fatfs.c",
+    "os_adapt/format.c",
+  ]
+
+  sources += [
+    "$LITEOSTHIRDPARTY/FatFs/source/diskio.c",
+    "$LITEOSTHIRDPARTY/FatFs/source/ff.c",
+    "$LITEOSTHIRDPARTY/FatFs/source/ffsystem.c",
+    "$LITEOSTHIRDPARTY/FatFs/source/ffunicode.c",
+  ]
+
+  include_dirs = [ "os_adapt" ]
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "$LITEOSTHIRDPARTY/FatFs/source" ]
+}

fs/fat/Makefile

@@ -39,7 +39,6 @@ LOCAL_INCLUDE := \
 	-I $(LITEOSTOPDIR)/fs/fat/os_adapt \
 	-I $(LITEOSTOPDIR)/fs/fat/virpart/include \
 	-I $(LITEOSTOPDIR)/fs/vfs \
-	-I $(LITEOSTHIRDPARTY)/NuttX/include
 
 LOCAL_FLAGS := $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
 

fs/fat/os_adapt/fatfs.c

@@ -47,6 +47,7 @@
 #include "user_copy.h"
 #include "los_vm_filemap.h"
 #include "los_hash.h"
+#include "los_vm_common.h"
 #include <time.h>
 #include <errno.h>
 #include <dirent.h>
@@ -239,7 +240,7 @@ static mode_t fatfs_get_mode(BYTE attribute, mode_t fs_mode)
     return fs_mode;
 }
 
-static enum VnodeType fatfstype_2_vnodetype(BYTE type) 
+static enum VnodeType fatfstype_2_vnodetype(BYTE type)
 {
     switch (type) {
         case AM_ARC:
@@ -292,7 +293,8 @@ static FRESULT init_cluster(DIR_FILE *pdfp, DIR *dp_new, FATFS *fs, int type, co
     } else {
         /* Write the dir cluster */
         mem_set(dir, 0, SS(fs));
-        mem_set(dir + DIR_Name, ' ', 11); /* Create "." entry */
+        /* 11, the The max length of of the short file name,  Create "." entry */
+        mem_set(dir + DIR_Name, ' ', 11);
         dir[DIR_Name] = '.';
         dir[DIR_Attr] = AM_DIR;
         st_clust(fs, dir, *clust);
@@ -448,6 +450,8 @@ static int fatfs_create_obj(struct Vnode *parent, const char *name, int mode, st
         dp_new->obj.objsize = 0;
     } else if (type == AM_LNK) {
         dp_new->obj.objsize = strlen(target);
+    } else {
+        finfo_new->fsize = fs->csize * SS(fs);
     }
 
     ret = VnodeAlloc(&fatfs_vops, &vp);
@@ -557,6 +561,7 @@ int fatfs_lookup(struct Vnode *parent, const char *path, int len, struct Vnode *
         vp->mode = fatfs_get_mode(finfo->fattrib, fs->fs_mode);
         if (finfo->fattrib & AM_DIR) {
             vp->type = VNODE_TYPE_DIR;
+            finfo->fsize = fs->csize * SS(fs);
         } else {
             vp->type = VNODE_TYPE_REG;
         }
@@ -1181,6 +1186,7 @@ int fatfs_mount(struct Mount *mnt, struct Vnode *blk_device, const void *data)
     dfp->fno.ftime = 0;
     dfp->fno.fattrib = AM_DIR;
     dfp->fno.sclst = 0;
+    dfp->fno.fsize = fs->csize * SS(fs);
     dfp->fno.fname[0] = '/'; /* Mark as root dir */
     dfp->fno.fname[1] = '\0';
     LOS_ListInit(&(dfp->fno.fp_list));
@@ -1412,10 +1418,17 @@ int fatfs_stat(struct Vnode *vp, struct stat* sp)
     sp->st_gid = fs->fs_gid;
     sp->st_size = finfo->fsize;
     sp->st_blksize = fs->csize * SS(fs);
-    sp->st_blocks = finfo->fsize ? ((finfo->fsize - 1) / SS(fs) / fs->csize + 1) : 0;
+    if (finfo->fattrib & AM_ARC) {
+        sp->st_blocks = finfo->fsize ? ((finfo->fsize - 1) / SS(fs) / fs->csize + 1) : 0;
+    } else {
+        sp->st_blocks = fs->csize;
+    }
     time = fattime_transfer(finfo->fdate, finfo->ftime);
     sp->st_mtime = time;
 
+    /* Adapt to kstat member "long tv_sec" */
+    sp->__st_mtim32.tv_sec = (long)time;
+
     unlock_fs(fs, FR_OK);
     return 0;
 }
@@ -1836,6 +1849,7 @@ int fatfs_mkfs (struct Vnode *device, int sectors, int option)
     BYTE *work_buff = NULL;
     los_part *part = NULL;
     FRESULT result;
+    MKFS_PARM opt = {0};
     int ret;
 
     part = los_part_find(device);
@@ -1860,7 +1874,9 @@ int fatfs_mkfs (struct Vnode *device, int sectors, int option)
         return -ENOMEM;
     }
 
-    result = _mkfs(part, sectors, option, work_buff, FF_MAX_SS);
+    opt.n_sect = sectors;
+    opt.fmt = (BYTE)option;
+    result = _mkfs(part, &opt, work_buff, FF_MAX_SS);
     free(work_buff);
     if (result != FR_OK) {
         return -fatfs_2_vfs(result);
@@ -2020,45 +2036,18 @@ static UINT get_oldest_time(DIR_FILE df[], DWORD *oldest_time, UINT len)
     return index;
 }
 
-int fatfs_fscheck(struct Vnode* vp, struct fs_dirent_s *dir)
+static FRESULT fscheck(DIR *dp)
 {
-    FATFS *fs = (FATFS *)vp->originMount->data;
     DIR_FILE df[CHECK_FILE_NUM] = {0};
-    DIR *dp = NULL;
-    FILINFO *finfo = &(((DIR_FILE *)(vp->data))->fno);
     FILINFO fno;
-    DWORD old_time = -1;
-    DWORD time;
-    UINT count;
     UINT index = 0;
-    los_part *part = NULL;
+    UINT count;
+    DWORD time;
+    DWORD old_time = -1;
     FRESULT result;
-    int ret;
-
-    if (fs->fs_type != FS_FAT32) {
-        return -EINVAL;
-    }
-
-    if ((finfo->fattrib & AM_DIR) == 0) {
-        return -ENOTDIR;
-    }
-
-    ret = fatfs_opendir(vp, dir);
-    if (ret < 0) {
-        return ret;
-    }
-
-    ret = lock_fs(fs);
-    if (ret == FALSE) {
-        result = FR_TIMEOUT;
-        goto ERROR_WITH_DIR;
-    }
-
-    dp = (DIR *)dir->u.fs_dir;
-    dp->obj.id = fs->id;
     for (count = 0; count < CHECK_FILE_NUM; count++) {
         if ((result = f_readdir(dp, &fno)) != FR_OK) {
-            goto ERROR_UNLOCK;
+            return result;
         } else {
             if (fno.fname[0] == 0 || fno.fname[0] == (TCHAR)0xFF) {
                 break;
@@ -2083,15 +2072,50 @@ int fatfs_fscheck(struct Vnode* vp, struct fs_dirent_s *dir)
             index = get_oldest_time(df, &old_time, CHECK_FILE_NUM);
         }
     }
-    if (result != FR_OK) {
-        goto ERROR_UNLOCK;
+    index = 0;
+    while (result == FR_OK && index < count) {
+        result = f_fcheckfat(&df[index]);
+        ++index;
     }
 
-    for (index = 0; index < count; index++) {
-        result = f_fcheckfat(&df[index]);
-        if (result != FR_OK) {
-            goto ERROR_UNLOCK;
-        }
+    return result;
+}
+
+int fatfs_fscheck(struct Vnode* vp, struct fs_dirent_s *dir)
+{
+    FATFS *fs = (FATFS *)vp->originMount->data;
+    DIR *dp = NULL;
+    FILINFO *finfo = &(((DIR_FILE *)(vp->data))->fno);
+#ifdef LOSCFG_FS_FAT_CACHE
+    los_part *part = NULL;
+#endif
+    FRESULT result;
+    int ret;
+
+    if (fs->fs_type != FS_FAT32) {
+        return -EINVAL;
+    }
+
+    if ((finfo->fattrib & AM_DIR) == 0) {
+        return -ENOTDIR;
+    }
+
+    ret = fatfs_opendir(vp, dir);
+    if (ret < 0) {
+        return ret;
+    }
+
+    ret = lock_fs(fs);
+    if (ret == FALSE) {
+        result = FR_TIMEOUT;
+        goto ERROR_WITH_DIR;
+    }
+
+    dp = (DIR *)dir->u.fs_dir;
+    dp->obj.id = fs->id;
+    result = fscheck(dp);
+    if (result != FR_OK) {
+        goto ERROR_UNLOCK;
     }
 
     unlock_fs(fs, FR_OK);
@@ -2168,6 +2192,207 @@ ERROUT:
     return -fatfs_2_vfs(res);
 }
 
+ssize_t fatfs_readpage(struct Vnode *vnode, char *buff, off_t pos)
+{
+    FATFS *fs = (FATFS *)(vnode->originMount->data);
+    DIR_FILE *dfp = (DIR_FILE *)(vnode->data);
+    FILINFO *finfo = &(dfp->fno);
+    FAT_ENTRY *ep = &(dfp->fat_entry);
+    DWORD clust;
+    DWORD sclust;
+    QWORD sect;
+    QWORD step;
+    QWORD n;
+    size_t position; /* byte offset */
+    BYTE *buf = (BYTE *)buff;
+    size_t buflen = PAGE_SIZE;
+    FRESULT result;
+    int ret;
+
+    ret = lock_fs(fs);
+    if (ret == FALSE) {
+        result = FR_TIMEOUT;
+        goto ERROR_OUT;
+    }
+
+    if (finfo->fsize <= pos) {
+        result = FR_OK;
+        goto ERROR_UNLOCK;
+    }
+
+    if (ep->clst == 0) {
+        ep->clst = finfo->sclst;
+    }
+
+    if (pos >= ep->pos) {
+        clust = ep->clst;
+        position = ep->pos;
+    } else {
+        clust = finfo->sclst;
+        position = 0;
+    }
+
+    /* Get to the current cluster */
+    n = pos / SS(fs) / fs->csize - position / SS(fs) / fs->csize;
+    while (n--) {
+        clust = get_fat(&(dfp->f_dir.obj), clust);
+        if ((clust == BAD_CLUSTER) || (clust == DISK_ERROR)) {
+            result = FR_DISK_ERR;
+            goto ERROR_UNLOCK;
+        }
+    }
+
+    /* Get to the currnet sector */
+    sect = clst2sect(fs, clust);
+    sect += (pos / SS(fs)) & (fs->csize - 1);
+
+    /* How many sectors do we need to read once */
+    if (fs->csize < buflen / SS(fs)) {
+        step = fs->csize;
+    } else {
+        step = buflen / SS(fs);
+    }
+
+    n = 0;
+    sclust = clust;
+    while (n < buflen / SS(fs)) {
+        if (disk_read(fs->pdrv, buf, sect, step) != RES_OK) {
+            result = FR_DISK_ERR;
+            goto ERROR_UNLOCK;
+        }
+        n += step;
+        if (n >= buflen / SS(fs)) {
+            break;
+        }
+
+        /* As cluster size is aligned, it must jump to next cluster when cluster size is less than pagesize */
+        clust = get_fat(&(dfp->f_dir.obj), clust);
+        if ((clust == BAD_CLUSTER) || (clust == DISK_ERROR)) {
+            result = FR_DISK_ERR;
+            goto ERROR_UNLOCK;
+        } else if (fatfs_is_last_cluster(fs, clust)) {
+            break; /* read end */
+        }
+        sect = clst2sect(fs, clust);
+        buf += step * SS(fs);
+    }
+
+    ep->clst = sclust;
+    ep->pos = pos;
+
+    unlock_fs(fs, FR_OK);
+
+    return (ssize_t)min(finfo->fsize - pos, n * SS(fs));
+
+ERROR_UNLOCK:
+    unlock_fs(fs, result);
+ERROR_OUT:
+    return -fatfs_2_vfs(result);
+}
+
+ssize_t fatfs_writepage(struct Vnode *vnode, char *buff, off_t pos, size_t buflen)
+{
+    FATFS *fs = (FATFS *)(vnode->originMount->data);
+    DIR_FILE *dfp = (DIR_FILE *)(vnode->data);
+    FILINFO *finfo = &(dfp->fno);
+    FAT_ENTRY *ep = &(dfp->fat_entry);
+    DWORD clust;
+    DWORD sclst;
+    QWORD sect;
+    QWORD step;
+    QWORD n;
+    size_t position; /* byte offset */
+    BYTE *buf = (BYTE *)buff;
+    FRESULT result;
+    FIL fil;
+    int ret;
+
+    ret = lock_fs(fs);
+    if (ret == FALSE) {
+        result = FR_TIMEOUT;
+        goto ERROR_OUT;
+    }
+
+    if (finfo->fsize <= pos) {
+        result = FR_OK;
+        goto ERROR_UNLOCK;
+    }
+
+    if (ep->clst == 0) {
+        ep->clst = finfo->sclst;
+    }
+
+    if (pos >= ep->pos) {
+        clust = ep->clst;
+        position = ep->pos;
+    } else {
+        clust = finfo->sclst;
+        position = 0;
+    }
+
+    /* Get to the current cluster */
+    n = pos / SS(fs) / fs->csize - position / SS(fs) / fs->csize;
+    while (n--) {
+        clust = get_fat(&(dfp->f_dir.obj), clust);
+        if ((clust == BAD_CLUSTER) || (clust == DISK_ERROR)) {
+            result = FR_DISK_ERR;
+            goto ERROR_UNLOCK;
+        }
+    }
+
+    /* Get to the currnet sector */
+    sect = clst2sect(fs, clust);
+    sect += (pos / SS(fs)) & (fs->csize - 1);
+
+    /* How many sectors do we need to read once */
+    if (fs->csize < buflen / SS(fs)) {
+        step = fs->csize;
+    } else {
+        step = buflen / SS(fs);
+    }
+
+    n = 0;
+    sclst = clust;
+    while (n < buflen / SS(fs)) {
+        if (disk_write(fs->pdrv, buf, sect, step) != RES_OK) {
+            result = FR_DISK_ERR;
+            goto ERROR_UNLOCK;
+        }
+        n += step;
+        if (n >= buflen / SS(fs)) {
+            break;
+        }
+
+        /* As cluster size is aligned, it must jump to next cluster when cluster size is less than pagesize */
+        clust = get_fat(&(dfp->f_dir.obj), clust);
+        if ((clust == BAD_CLUSTER) || (clust == DISK_ERROR)) {
+            result = FR_DISK_ERR;
+            goto ERROR_UNLOCK;
+        } else if (fatfs_is_last_cluster(fs, clust)) {
+            break; /* read end */
+        }
+        sect = clst2sect(fs, clust);
+        buf += step * SS(fs);
+    }
+
+    ep->clst = sclst;
+    ep->pos = pos;
+
+    fil.obj.fs = fs;
+    if (update_filbuff(finfo, &fil, NULL) < 0) {
+        result = FR_DISK_ERR;
+        goto ERROR_UNLOCK;
+    }
+
+    unlock_fs(fs, FR_OK);
+
+    return (ssize_t)min(finfo->fsize - pos, n * SS(fs));
+ERROR_UNLOCK:
+    unlock_fs(fs, result);
+ERROR_OUT:
+    return -fatfs_2_vfs(result);
+}
+
 struct VnodeOps fatfs_vops = {
     /* file ops */
     .Getattr = fatfs_stat,
@@ -2175,6 +2400,8 @@ struct VnodeOps fatfs_vops = {
     .Lookup = fatfs_lookup,
     .Rename = fatfs_rename,
     .Create = fatfs_create,
+    .ReadPage = fatfs_readpage,
+    .WritePage = fatfs_writepage,
     .Unlink = fatfs_unlink,
     .Reclaim = fatfs_reclaim,
     .Truncate = fatfs_truncate,

fs/fat/os_adapt/fatfs.h

@@ -146,7 +146,7 @@ int fatfs_fscheck(struct Vnode* vnode, struct fs_dirent_s *dir);
 
 FRESULT find_fat_partition(FATFS *fs, los_part *part, BYTE *format, QWORD *start_sector);
 FRESULT init_fatobj(FATFS *fs, BYTE fmt, QWORD start_sector);
-FRESULT _mkfs(los_part *partition, int sector, int opt, BYTE *work, UINT len);
+FRESULT _mkfs(los_part *partition, const MKFS_PARM *opt, BYTE *work, UINT len);
 
 #ifdef __cplusplus
 #if __cplusplus

fs/fat/virpart/BUILD.gn

@@ -0,0 +1,47 @@
+# 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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_FS_FAT_VIRTUAL_PARTITION)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [
+    "src/virpart.c",
+    "src/virpartff.c",
+  ]
+
+  include_dirs = [ "../os_adapt" ]
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
+}

fs/fat/virpart/include/virpart.h

@@ -37,12 +37,11 @@
 
 #define _MAX_ENTRYLENGTH  16                                       /* MAX virtual partition name length */
 #define _MAX_VIRVOLUMES   5                                        /* MAX virtual partition number */
-typedef struct virtual_partition_info
-{
-  char *devpartpath;                                             /* need set virtual partition, e.g. /dev/mmcblk0p0 */
-  int  virpartnum;                                               /* virtual partition numbers, MAX number is 5 */
-  double virpartpercent[_MAX_VIRVOLUMES];                        /* every virtual partition percent,e.g 0.6,0.3,0.1 */
-  char virpartname[_MAX_VIRVOLUMES][_MAX_ENTRYLENGTH + 1];       /* every virtual partition name, MAX length is 16 */
+typedef struct virtual_partition_info {
+    char *devpartpath;                                             /* need set virtual partition, e.g. /dev/mmcblk0p0 */
+    int  virpartnum;                                               /* virtual partition numbers, MAX number is 5 */
+    double virpartpercent[_MAX_VIRVOLUMES];                        /* every virtual partition percent,e.g 0.6,0.3,0.1 */
+    char virpartname[_MAX_VIRVOLUMES][_MAX_ENTRYLENGTH + 1];       /* every virtual partition name, MAX length is 16 */
 } virpartinfo;
 
 extern char g_devPartName[DISK_NAME + 1];

fs/fat/virpart/src/virpartff.c

@@ -525,7 +525,7 @@ FRESULT f_checkvirpart(FATFS *fs, const TCHAR *path, BYTE vol)
     }
 
     /* Lock the filesystem object */
-    res = find_volume(&path, &fs, FA_WRITE); /* Update the filesystem info to the parent fs */
+    res = mount_volume(&path, &fs, FA_WRITE); /* Update the filesystem info to the parent fs */
     if (res != FR_OK) {
         LEAVE_FF(fs, res);
     }
@@ -683,7 +683,7 @@ FRESULT f_makevirpart(FATFS *fs, const TCHAR *path, BYTE vol)
     }
 
     /* Lock the filesystem object */
-    res = find_volume(&path, &fs, FA_WRITE); /* Update the filesystem info to the parent fs */
+    res = mount_volume(&path, &fs, FA_WRITE); /* Update the filesystem info to the parent fs */
     if (res != FR_OK) {
         LEAVE_FF(fs, res);
     }
@@ -774,7 +774,7 @@ FRESULT f_getvirfree(const TCHAR *path, DWORD *nclst, DWORD *cclst)
     DIR dj;
 
     /* Find volume to Update the global FSINFO */
-    res = find_volume(&path, &fs, 0);
+    res = mount_volume(&path, &fs, 0);
     if (res != FR_OK) {
         LEAVE_FF(fs, res);
     }

fs/include/fs/fd_table.h

@@ -46,6 +46,7 @@ struct fd_table_s {
     unsigned int max_fds;
     struct file_table_s *ft_fds; /* process fd array associate with system fd */
     fd_set *proc_fds;
+    fd_set *cloexec_fds;
     sem_t ft_sem; /* manage access to the file table */
 };
 
@@ -70,7 +71,7 @@ struct files_struct *dup_fd(struct files_struct *oldf);
 
 struct files_struct *alloc_files(void);
 
-void delete_files(LosProcessCB *processCB, struct files_struct *files);
+void delete_files(struct files_struct *files);
 
 struct files_struct *create_files_snapshot(const struct files_struct *oldf);
 
@@ -79,4 +80,10 @@ void delete_files_snapshot(struct files_struct *files);
 int alloc_fd(int minfd);
 
 void alloc_std_fd(struct fd_table_s *fdt);
+
+void FileTableLock(struct fd_table_s *fdt);
+
+void FileTableUnLock(struct fd_table_s *fdt);
+
+struct fd_table_s *GetFdTable(void);
 #endif

fs/include/fs/fs_operation.h

@@ -33,6 +33,7 @@
 #define FS_OPERATION_H
 
 #include "fs/file.h"
+#include "fs/fd_table.h"
 
 #ifdef __cplusplus
 #if __cplusplus
@@ -40,81 +41,6 @@ extern "C" {
 #endif /* __cplusplus */
 #endif /* __cplusplus */
 
-/* vfs/fs_file_mapping.c ****************************************************/
-/****************************************************************************
- * Name: init_file_mapping
- *
- * Description:
- *   Init the global management structure of path <-> page_mapping
- *
- ****************************************************************************/
-
-extern UINT32 init_file_mapping(void);
-
-/****************************************************************************
- * Name: add_mapping
- *
- * Description:
- *   Create a new path <-> page_mapping mapping and add to global list.
- *
- ****************************************************************************/
-
-extern void add_mapping(struct file *filep, const char *fullpath);
-
-/****************************************************************************
- * Name: find_mapping
- *
- * Description:
- *   Find the page_mapping for path in global list.
- *
- ****************************************************************************/
-
-extern struct page_mapping *find_mapping(const char *path);
-
-/****************************************************************************
- * Name: remove_mapping
- *
- * Description:
- *   Drop all the page-caches for the file, and then remove mapping between
- *   the file and pagecache.
- *   ex_filp NULL: do not exclude any file, just matching the fullpath;
- *   ex_filp not NULL: exclude it, which means, ex_filp can be open.
- *
- ****************************************************************************/
-
-extern int remove_mapping(const char *fullpath);
-
-/****************************************************************************
- * Name: rename_mapping
- *
- * Description:
- *   Rename the mapping from global path <-> page_mapping list.
- *
- ****************************************************************************/
-
-extern void rename_mapping(const char *src, const char *dst);
-
-/****************************************************************************
- * Name: dec_mapping
- *
- * Description:
- *   Decrease the refcnt of mapping.
- *
- ****************************************************************************/
-
-extern void dec_mapping_nolock(struct page_mapping *mapping);
-
-
-/****************************************************************************
- * Name: update_file_path
- *
- * Description:
- *   Update the path in file descriptors when do renaming.
- *
- ****************************************************************************/
-
-extern int update_file_path(const char *old_path, const char *new_path);
-
 /**
  * @ingroup  fs
  * @brief Initializes the vfs filesystem
@@ -137,6 +63,11 @@ extern int update_file_path(const char *old_path, const char *new_path);
 
 void los_vfs_init(void);
 
+void CloseOnExec(struct files_struct *files);
+void SetCloexecFlag(int procFd);
+bool CheckCloexecFlag(int procFd);
+void ClearCloexecFlag(int procFd);
+
 void clear_fd(int fd);
 
 /**
@@ -304,7 +235,23 @@ extern int los_set_systime_status(BOOL b_status);
 struct IATTR;
 extern int chattr(const char *pathname, struct IATTR *attr);
 
+#define CONTINE_NUTTX_FCNTL 0XFF0F
+/**
+ * @ingroup fs
+ *
+ * @par Description:
+ * The VfsFcntl function shall manipulate file descriptor.
+ *
+ * @retval #0  On success.
+ * @retval #-1 On failure with errno set.
+ * @retval CONTINE_NUTTX_FCNTL doesn't support some cmds in VfsFcntl, needs to continue going through Nuttx vfs operation.</li>
+ *
+ * @par Dependency:
+ * <ul><li>fs.h</li></ul>
+ * @see None
+ */
 
+extern int VfsFcntl(int fd, int cmd, ...);
 /**
  * @ingroup fs
  *

fs/include/fs/mount.h

@@ -45,6 +45,7 @@ struct Mount {
     const struct MountOps *ops;        /* operations of mount */
     struct Vnode *vnodeBeCovered;      /* vnode we mounted on */
     struct Vnode *vnodeCovered;        /* syncer vnode */
+    struct Vnode *vnodeDev;            /* dev vnode */
     LIST_HEAD vnodeList;               /* list of vnodes */
     int vnodeSize;                     /* size of vnode list */
     LIST_HEAD activeVnodeList;         /* list of active vnodes */
@@ -70,4 +71,5 @@ typedef int (*foreach_mountpoint_t)(const char *devpoint,
 struct Mount* MountAlloc(struct Vnode* vnode, struct MountOps* mop);
 LIST_HEAD* GetMountList(void);
 int foreach_mountpoint(foreach_mountpoint_t handler, void *arg);
+int ForceUmountDev(struct Vnode *dev);
 #endif

fs/jffs2/BUILD.gn

@@ -0,0 +1,75 @@
+# 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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_FS_JFFS)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [
+    "src/jffs2_hash.c",
+    "src/vfs_jffs2.c",
+  ]
+
+  sources += [
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/background.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/build.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/compr.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/compr_rtime.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/compr_rubin.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/compr_zlib.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/debug.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/dir.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/erase.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/file.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/fs.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/gc.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/malloc.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/nodelist.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/nodemgmt.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/read.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/readinode.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/scan.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/summary.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/super.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/write.c",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2/writev.c",
+  ]
+
+  include_dirs = [
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs/jffs2",
+    "$LITEOSTHIRDPARTY/Linux_Kernel/fs",
+  ]
+
+  public_configs = [ ":public" ]
+}
+
+config("public") {
+  include_dirs = [ "include" ]
+}

fs/jffs2/src/vfs_jffs2.c

@@ -201,13 +201,13 @@ int VfsJffs2Lookup(struct Vnode *parentVnode, const char *path, int len, struct
     }
 
     (void)VfsHashGet(parentVnode->originMount, node->i_ino, &newVnode, NULL, NULL);
-    LOS_MuxUnlock(&g_jffs2FsLock);
     if (newVnode) {
         if (newVnode->data == NULL) {
             LOS_Panic("#####VfsHashGet error#####\n");
-         }
+        }
         newVnode->parent = parentVnode;
         *ppVnode = newVnode;
+        LOS_MuxUnlock(&g_jffs2FsLock);
         return 0;
     }
     ret = VnodeAlloc(&g_jffs2Vops, &newVnode);
@@ -276,7 +276,7 @@ int VfsJffs2Close(struct file *filep)
     return 0;
 }
 
-ssize_t VfsJffs2Read(struct file *filep, char *buffer, size_t bufLen)
+ssize_t VfsJffs2ReadPage(struct Vnode *vnode, char *buffer, off_t off)
 {
     struct jffs2_inode *node = NULL;
     struct jffs2_inode_info *f = NULL;
@@ -285,6 +285,32 @@ ssize_t VfsJffs2Read(struct file *filep, char *buffer, size_t bufLen)
 
     LOS_MuxLock(&g_jffs2FsLock, (uint32_t)JFFS2_WAITING_FOREVER);
 
+    node = (struct jffs2_inode *)vnode->data;
+    f = JFFS2_INODE_INFO(node);
+    c = JFFS2_SB_INFO(node->i_sb);
+
+    off_t pos = min(node->i_size, off);
+    ssize_t len = min(PAGE_SIZE, (node->i_size - pos));
+    ret = jffs2_read_inode_range(c, f, (unsigned char *)buffer, off, len);
+    if (ret) {
+        LOS_MuxUnlock(&g_jffs2FsLock);
+        return ret;
+    }
+    node->i_atime = Jffs2CurSec();
+
+    LOS_MuxUnlock(&g_jffs2FsLock);
+
+    return len;
+}
+
+ssize_t VfsJffs2Read(struct file *filep, char *buffer, size_t bufLen)
+{
+    struct jffs2_inode *node = NULL;
+    struct jffs2_inode_info *f = NULL;
+    struct jffs2_sb_info *c = NULL;
+    int ret;
+
+    LOS_MuxLock(&g_jffs2FsLock, (uint32_t)JFFS2_WAITING_FOREVER);
     node = (struct jffs2_inode *)filep->f_vnode->data;
     f = JFFS2_INODE_INFO(node);
     c = JFFS2_SB_INFO(node->i_sb);
@@ -293,7 +319,6 @@ ssize_t VfsJffs2Read(struct file *filep, char *buffer, size_t bufLen)
     off_t len = min(bufLen, (node->i_size - pos));
     ret = jffs2_read_inode_range(c, f, (unsigned char *)buffer, filep->f_pos, len);
     if (ret) {
-        PRINTK("VfsJffs2Read(): read_inode_range failed %d\n", ret);
         LOS_MuxUnlock(&g_jffs2FsLock);
         return ret;
     }
@@ -305,6 +330,59 @@ ssize_t VfsJffs2Read(struct file *filep, char *buffer, size_t bufLen)
     return len;
 }
 
+ssize_t VfsJffs2WritePage(struct Vnode *vnode, char *buffer, off_t pos, size_t buflen)
+{
+    struct jffs2_inode *node = NULL;
+    struct jffs2_inode_info *f = NULL;
+    struct jffs2_sb_info *c = NULL;
+    struct jffs2_raw_inode ri = {0};
+    struct IATTR attr = {0};
+    int ret;
+    uint32_t writtenLen;
+
+    LOS_MuxLock(&g_jffs2FsLock, (uint32_t)JFFS2_WAITING_FOREVER);
+
+    node = (struct jffs2_inode *)vnode->data;
+    f = JFFS2_INODE_INFO(node);
+    c = JFFS2_SB_INFO(node->i_sb);
+
+    if (pos < 0) {
+        LOS_MuxUnlock(&g_jffs2FsLock);
+        return -EINVAL;
+    }
+
+    ri.ino = cpu_to_je32(f->inocache->ino);
+    ri.mode = cpu_to_jemode(node->i_mode);
+    ri.uid = cpu_to_je16(node->i_uid);
+    ri.gid = cpu_to_je16(node->i_gid);
+    ri.atime = ri.ctime = ri.mtime = cpu_to_je32(Jffs2CurSec());
+
+    if (pos > node->i_size) {
+        int err;
+        attr.attr_chg_valid = CHG_SIZE;
+        attr.attr_chg_size = pos;
+        err = jffs2_setattr(node, &attr);
+        if (err) {
+            LOS_MuxUnlock(&g_jffs2FsLock);
+            return err;
+        }
+    }
+    ri.isize = cpu_to_je32(node->i_size);
+
+    ret = jffs2_write_inode_range(c, f, &ri, (unsigned char *)buffer, pos, buflen, &writtenLen);
+    if (ret) {
+        node->i_mtime = node->i_ctime = je32_to_cpu(ri.mtime);
+        LOS_MuxUnlock(&g_jffs2FsLock);
+        return ret;
+    }
+
+    node->i_mtime = node->i_ctime = je32_to_cpu(ri.mtime);
+
+    LOS_MuxUnlock(&g_jffs2FsLock);
+
+    return (ssize_t)writtenLen;
+}
+
 ssize_t VfsJffs2Write(struct file *filep, const char *buffer, size_t bufLen)
 {
     struct jffs2_inode *node = NULL;
@@ -591,13 +669,16 @@ int VfsJffs2Chattr(struct Vnode *pVnode, struct IATTR *attr)
 int VfsJffs2Rmdir(struct Vnode *parentVnode, struct Vnode *targetVnode, const char *path)
 {
     int ret;
-    struct jffs2_inode *parentInode = (struct jffs2_inode *)parentVnode->data;
-    struct jffs2_inode *targetInode = (struct jffs2_inode *)targetVnode->data;
+    struct jffs2_inode *parentInode = NULL;
+    struct jffs2_inode *targetInode = NULL;
 
     if (!parentVnode || !targetVnode) {
         return -EINVAL;
     }
 
+    parentInode = (struct jffs2_inode *)parentVnode->data;
+    targetInode = (struct jffs2_inode *)targetVnode->data;
+
     LOS_MuxLock(&g_jffs2FsLock, (uint32_t)JFFS2_WAITING_FOREVER);
 
     ret = jffs2_rmdir(parentInode, targetInode, (const unsigned char *)path);
@@ -807,6 +888,11 @@ int VfsJffs2Stat(struct Vnode *pVnode, struct stat *buf)
     buf->st_mtime = node->i_mtime;
     buf->st_ctime = node->i_ctime;
 
+    /* Adapt to kstat member long tv_sec */
+    buf->__st_atim32.tv_sec = (long)node->i_atime;
+    buf->__st_mtim32.tv_sec = (long)node->i_mtime;
+    buf->__st_ctim32.tv_sec = (long)node->i_ctime;
+
     LOS_MuxUnlock(&g_jffs2FsLock);
 
     return 0;
@@ -870,6 +956,8 @@ const struct MountOps jffs_operations = {
 struct VnodeOps g_jffs2Vops = {
     .Lookup = VfsJffs2Lookup,
     .Create = VfsJffs2Create,
+    .ReadPage = VfsJffs2ReadPage,
+    .WritePage = VfsJffs2WritePage,
     .Rename = VfsJffs2Rename,
     .Mkdir = VfsJffs2Mkdir,
     .Getattr = VfsJffs2Stat,

fs/nfs/BUILD.gn

@@ -0,0 +1,40 @@
+# 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_a/liteos.gni")
+
+module_switch = defined(LOSCFG_FS_NFS)
+module_name = get_path_info(rebase_path("."), "name")
+kernel_module(module_name) {
+  sources = [
+    "$LITEOSTHIRDPARTY/NuttX/fs/nfs/nfs_adapter.c",
+    "$LITEOSTHIRDPARTY/NuttX/fs/nfs/nfs_util.c",
+    "$LITEOSTHIRDPARTY/NuttX/fs/nfs/rpc_clnt.c",
+  ]
+}