!289 add xtensa and csky arch support

Merge pull request !289 from LiteOS/master
This commit is contained in:
openharmony_ci 2021-09-08 06:55:10 +00:00 committed by Gitee
commit fd8ca3f5dc
27 changed files with 4431 additions and 1 deletions

237
components/backtrace/los_backtrace.c Normal file → Executable file
View File

@ -351,6 +351,242 @@ STATIC INLINE UINTPTR OsAddrIsValid(UINTPTR sp)
return pc;
}
#elif (LOSCFG_BACKTRACE_TYPE == 4)
#define OS_BACKTRACE_START 0
#define ALIGN_MASK (4 - 1)
#define OS_REG_LR_OFFSET 136
UINT32 IsFpAligned(UINT32 value)
{
return (value & (UINT32)(ALIGN_MASK)) == 0;
}
STATIC INLINE UINTPTR HalGetLr(VOID)
{
UINTPTR regLr;
__asm__ __volatile__("mov %0, a0" : "=r"(regLr));
return regLr;
}
/* This function is used to check fp address. */
BOOL IsValidFP(UINTPTR regFP, UINTPTR start, UINTPTR end)
{
return (regFP > start) && (regFP <= end) && IsFpAligned(regFP);
}
/* This function is used to check return address. */
BOOL IsValidRa(UINTPTR regRA)
{
regRA &= ~VIR_TEXT_ADDR_MASK;
regRA |= TEXT_ADDR_MASK;
return OsStackDataIsCodeAddr(regRA);
}
BOOL FindSuitableStack(UINTPTR regSP, UINTPTR *start, UINTPTR *end)
{
UINT32 index;
UINT32 stackStart;
UINT32 stackEnd;
BOOL found = FALSE;
LosTaskCB *taskCB = NULL;
/* Search in the task stacks */
for (index = 0; index < g_taskMaxNum; index++) {
taskCB = OS_TCB_FROM_TID(index);
if (taskCB->taskStatus & OS_TASK_STATUS_UNUSED) {
continue;
}
stackStart = taskCB->topOfStack;
stackEnd = taskCB->topOfStack + taskCB->stackSize;
if (IsValidFP(regSP, stackStart, stackEnd)) {
found = TRUE;
goto FOUND;
}
}
if (IsValidFP(regSP, CSTACK_START_ADDR, CSTACK_END_ADDR)) {
stackStart = CSTACK_START_ADDR;
stackEnd = CSTACK_END_ADDR;
found = TRUE;
goto FOUND;
}
FOUND:
if (found == TRUE) {
*start = stackStart;
*end = stackEnd;
}
return found;
}
UINT32 HalBackTraceGet(UINTPTR sp, UINT32 retAddr, UINTPTR *callChain, UINT32 maxDepth, UINT32 jumpCount)
{
UINTPTR tmpSp;
UINT32 tmpRa;
UINTPTR backRa = retAddr;
UINTPTR backSp = sp;
UINTPTR stackStart;
UINT32 stackEnd;
UINT32 count = 0;
UINT32 index = 0;
if (FindSuitableStack(sp, &stackStart, &stackEnd) == FALSE) {
PRINTK("sp:0x%x error, backtrace failed!\n", sp);
return 0;
}
while (IsValidFP(backSp, stackStart, stackEnd)) {
if (callChain == NULL) {
PRINTK("trace%u ra:0x%x sp:0x%x\n", count, (backRa << WINDOW_INCREMENT_SHIFT) >>
WINDOW_INCREMENT_SHIFT, backSp);
} else {
if (index++ < jumpCount) {
continue;
}
backRa &= ~VIR_TEXT_ADDR_MASK;
backRa |= TEXT_ADDR_MASK;
callChain[count++] = backRa;
}
tmpRa = backRa;
tmpSp = backSp;
backRa = *((UINT32 *)(UINTPTR)(tmpSp - RA_OFFSET));
backSp = *((UINT32 *)(UINTPTR)(tmpSp - SP_OFFSET));
if ((tmpRa == backRa) || (backSp == tmpSp) || (count == maxDepth) || !IsValidRa(backRa)) {
break;
}
}
return count;
}
VOID LOS_RecordLR(UINTPTR *LR, UINT32 LRSize, UINT32 jumpCount, UINTPTR SP)
{
UINTPTR reglr;
if (LR == NULL) {
return;
}
if (SP == 0) {
__asm__ __volatile__("mov %0, sp" : "=a"(SP) : :);
__asm__ __volatile__("mov %0, a0" : "=a"(reglr) : :);
} else {
reglr = *(UINT32 *)(SP - OS_REG_LR_OFFSET);
}
HakSpillWindow();
HalBackTraceGet(SP, reglr, LR, LRSize, jumpCount);
}
#elif (LOSCFG_BACKTRACE_TYPE == 5)
#define OS_BACKTRACE_START 0
UINT32 IsAligned(UINT32 val, UINT32 align)
{
return ((val & (align - 1)) == 0);
}
STATIC INLINE UINTPTR OsSpGet(VOID)
{
UINTPTR regSp;
__asm__ __volatile__("mov %0, sp" : "=r"(regSp));
return regSp;
}
/* This function is used to check sp. */
BOOL IsValidSP(UINTPTR regSP, UINTPTR start, UINTPTR end)
{
return (regSP > start) && (regSP < end);
}
STATIC INLINE BOOL FindSuitableStack(UINTPTR *regSP, UINTPTR *start, UINTPTR *end)
{
UINT32 index;
UINT32 topOfStack;
UINT32 stackBottom;
BOOL found = FALSE;
LosTaskCB *taskCB = NULL;
/* Search in the task stacks */
for (index = 0; index < g_taskMaxNum; index++) {
taskCB = &g_taskCBArray[index];
if (taskCB->taskStatus & OS_TASK_STATUS_UNUSED) {
continue;
}
topOfStack = taskCB->topOfStack;
stackBottom = taskCB->topOfStack + taskCB->stackSize;
if (IsValidSP(*regSP, topOfStack, stackBottom)) {
found = TRUE;
goto FOUND;
}
}
FOUND:
if (found == TRUE) {
*start = topOfStack;
*end = stackBottom;
} else if (*regSP < CSTACK_END_ADDR) {
*start = *regSP;
*end = CSTACK_END_ADDR;
found = TRUE;
}
return found;
}
VOID LOS_RecordLR(UINTPTR *LR, UINT32 LRSize, UINT32 jumpCount, UINTPTR SP)
{
UINTPTR stackPointer = SP;
UINTPTR topOfStack;
UINTPTR tmpStack = 0;
UINTPTR stackBottom;
UINTPTR checkBL;
UINT32 count = 0;
UINT32 index = 0;
if (LR == NULL) {
return;
}
if (SP == 0) {
SP = OsSpGet();
}
if (FindSuitableStack(&stackPointer, &topOfStack, &stackBottom) == FALSE) {
return;
}
while ((stackPointer < stackBottom) && (count < LRSize)) {
if (IsValidSP(*(UINT32 *)stackPointer, topOfStack, stackBottom)
&& OsStackDataIsCodeAddr(*(UINT32 *)(stackPointer + STACK_OFFSET))
&& IsAligned(*(UINT32 *)stackPointer, ALGIN_CODE)) {
if (tmpStack == *(UINT32 *)stackPointer) {
break;
}
tmpStack = *(UINT32 *)stackPointer;
checkBL = *(UINT32 *)(stackPointer + STACK_OFFSET);
if (count++ < jumpCount) {
continue;
}
stackPointer = tmpStack;
LR[index++] = checkBL;
continue;
}
stackPointer += STACK_OFFSET;
}
if (index < LRSize) {
LR[index] = 0;
}
}
#else
#error Unknown backtrace type.
#endif
@ -424,4 +660,3 @@ VOID OSBackTraceInit(VOID)
}
#endif

View File

@ -138,6 +138,51 @@ extern CHAR *CSTACK_SECTION_END;
#else
#error Unknown compiler.
#endif
#elif (LOSCFG_BACKTRACE_TYPE == 4)
/* The default code section start address */
#define CODE_SECTION_START __text_start
/* The default code section end address */
#define CODE_SECTION_END __text_end
/* The default C stack section start address */
#define CSTACK_SECTION_START __init_stack_s
/* The default C stack section end address */
#define CSTACK_SECTION_END __init_stack_e
extern CHAR *CODE_SECTION_START;
extern CHAR *CODE_SECTION_END;
extern CHAR *CSTACK_SECTION_START;
extern CHAR *CSTACK_SECTION_END;
#define CODE_START_ADDR ((UINTPTR)&CODE_SECTION_START)
#define CODE_END_ADDR ((UINTPTR)&CODE_SECTION_END)
#define CSTACK_START_ADDR ((UINTPTR)&CSTACK_SECTION_START)
#define CSTACK_END_ADDR ((UINTPTR)&CSTACK_SECTION_END)
#define VIR_TEXT_ADDR_MASK 0x80000000
#define TEXT_ADDR_MASK 0x40000000
#define RA_OFFSET 16
#define SP_OFFSET 12
#define WINDOW_INCREMENT_SHIFT 2
UINT32 HalBackTraceGet(UINTPTR sp, UINT32 retAddr, UINTPTR *callChain, UINT32 maxDepth, UINT32 jumpCount);
#elif (LOSCFG_BACKTRACE_TYPE == 5)
/* The default code section start address */
#define CODE_SECTION_START __text_start
/* The default code section end address */
#define CODE_SECTION_END __text_end
/* The default C stack section end address */
#define CSTACK_SECTION_END __ram_end
extern CHAR *CODE_SECTION_START;
extern CHAR *CODE_SECTION_END;
extern CHAR *CSTACK_SECTION_END;
#define CODE_START_ADDR ((UINTPTR)&CODE_SECTION_START)
#define CODE_END_ADDR ((UINTPTR)&CODE_SECTION_END)
#define CSTACK_END_ADDR ((UINTPTR)&CSTACK_SECTION_END)
#define ALGIN_CODE 2
#define STACK_OFFSET 4
#endif
/* This function is currently used to register the memory leak check hook,

View File

@ -67,9 +67,13 @@ static_library("kernel") {
} else {
deps = [ "arch/arm/cortex-m33/gcc/NTZ:arch" ]
}
} else if ("$board_cpu" == "ck802") {
deps = [ "arch/csky/v2/gcc:arch" ]
} else if ("$board_cpu" == "") {
if ("$board_arch" == "rv32imac" || "$board_arch" == "rv32imafdc") {
deps = [ "arch/risc-v/riscv32/gcc:arch" ]
} else if ("$board" == "esp32") {
deps = [ "arch/xtensa/lx6/gcc:arch" ]
}
}
}

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@ -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.
static_library("arch") {
sources = [
"los_context.c",
"los_dispatch.S",
"los_exc.S",
"los_interrupt.c",
"los_timer.c",
]
include_dirs = [
".",
"../../../../../kernel/arch/include",
"../../../../../kernel/include",
"../../../../../utils",
"//third_party/bounds_checking_function/include",
]
}

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@ -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.
*/
#ifndef _LOS_ARCH_ATOMIC_H
#define _LOS_ARCH_ATOMIC_H
#include "los_compiler.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/**
* @ingroup los_arch_atomic
* @brief Atomic exchange for 32-bit variable.
*
* @par Description:
* This API is used to implement the atomic exchange for 32-bit variable.
* @attention
* <ul>The pointer v must not be NULL.</ul>
*
* @param v [IN] The variable pointer.
* @param val [IN] The exchange value.
*
* @retval #INT32 The previous value of the atomic variable
* @par Dependency:
* <ul><li>los_arch_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT32 HalAtomicXchg32bits(volatile INT32 *v, INT32 val)
{
INT32 prevVal;
UINT32 intSave;
intSave = LOS_IntLock();
prevVal = *v;
*v = val;
LOS_IntRestore(intSave);
return prevVal;
}
/**
* @ingroup los_arch_atomic
* @brief Atomic auto-decrement.
*
* @par Description:
* This API is used to implement the atomic auto-decrement and return the result of auto-decrement.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* <li>The value which v point to must not be INT_MIN to avoid overflow after reducing 1.</li></ul>
*
* @param v [IN] The addSelf variable pointer.
*
* @retval #INT32 The return value of variable auto-decrement.
* @par Dependency:
* <ul><li>los_arch_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT32 HalAtomicDecRet(volatile INT32 *v)
{
INT32 val;
UINT32 intSave;
intSave = LOS_IntLock();
*v -= 1;
val = *v;
LOS_IntRestore(intSave);
return val;
}
/**
* @ingroup los_arch_atomic
* @brief Atomic exchange for 32-bit variable with compare.
*
* @par Description:
* This API is used to implement the atomic exchange for 32-bit variable, if the value of variable is equal to oldVal.
* @attention
* <ul>The pointer v must not be NULL.</ul>
*
* @param v [IN] The variable pointer.
* @param val [IN] The new value.
* @param oldVal [IN] The old value.
*
* @retval TRUE The previous value of the atomic variable is not equal to oldVal.
* @retval FALSE The previous value of the atomic variable is equal to oldVal.
* @par Dependency:
* <ul><li>los_arch_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE BOOL HalAtomicCmpXchg32bits(volatile INT32 *v, INT32 val, INT32 oldVal)
{
INT32 prevVal;
UINT32 intSave;
intSave = LOS_IntLock();
prevVal = *v;
if (prevVal == oldVal) {
*v = val;
}
LOS_IntRestore(intSave);
return prevVal != oldVal;
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_ARCH_ATOMIC_H */

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@ -0,0 +1,74 @@
/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_ARCH_CONTEXT_H
#define _LOS_ARCH_CONTEXT_H
#include "los_config.h"
#include "los_compiler.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define OS_TRAP_STACK_SIZE 500
typedef struct TagTskContext {
UINT32 R0;
UINT32 R1;
UINT32 R2;
UINT32 R3;
UINT32 R4;
UINT32 R5;
UINT32 R6;
UINT32 R7;
UINT32 R8;
UINT32 R9;
UINT32 R10;
UINT32 R11;
UINT32 R12;
UINT32 R13;
UINT32 R15;
UINT32 EPSR;
UINT32 EPC;
} TaskContext;
VOID HalStartToRun(VOID);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_ARCH_CONTEXT_H */

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@ -0,0 +1,391 @@
/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_ARCH_INTERRUPT_H
#define _LOS_ARCH_INTERRUPT_H
#include "los_config.h"
#include "los_compiler.h"
#include "los_interrupt.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/* *
* @ingroup los_arch_interrupt
* Maximum number of used hardware interrupts.
*/
#ifndef OS_HWI_MAX_NUM
#define OS_HWI_MAX_NUM LOSCFG_PLATFORM_HWI_LIMIT
#endif
/* *
* @ingroup los_arch_interrupt
* Highest priority of a hardware interrupt.
*/
#ifndef OS_HWI_PRIO_HIGHEST
#define OS_HWI_PRIO_HIGHEST 0
#endif
/* *
* @ingroup los_arch_interrupt
* Lowest priority of a hardware interrupt.
*/
#ifndef OS_HWI_PRIO_LOWEST
#define OS_HWI_PRIO_LOWEST 3
#endif
/* *
* @ingroup los_arch_interrupt
* Check the interrupt priority.
*/
#define HWI_PRI_VALID(pri) (((pri) >= OS_HWI_PRIO_HIGHEST) && ((pri) <= OS_HWI_PRIO_LOWEST))
/* *
* @ingroup los_arch_interrupt
* Define the type of a hardware interrupt vector table function.
*/
typedef VOID (**HWI_VECTOR_FUNC)(VOID);
/* *
* @ingroup los_arch_interrupt
* Count of interrupts.
*/
extern UINT32 g_intCount;
/* *
* @ingroup los_arch_interrupt
* Count of C-sky system interrupt vector.
*/
#define OS_SYS_VECTOR_CNT 32
/* *
* @ingroup los_arch_interrupt
* Count of C-sky interrupt vector.
*/
#define OS_VECTOR_CNT (OS_SYS_VECTOR_CNT + OS_HWI_MAX_NUM)
#define PSR_VEC_OFFSET 16U
#define VIC_REG_BASE 0xE000E100UL
typedef struct {
UINT32 ISER[4U];
UINT32 RESERVED0[12U];
UINT32 IWER[4U];
UINT32 RESERVED1[12U];
UINT32 ICER[4U];
UINT32 RESERVED2[12U];
UINT32 IWDR[4U];
UINT32 RESERVED3[12U];
UINT32 ISPR[4U];
UINT32 RESERVED4[12U];
UINT32 ISSR[4U];
UINT32 RESERVED5[12U];
UINT32 ICPR[4U];
UINT32 RESERVED6[12U];
UINT32 ICSR[4U];
UINT32 RESERVED7[12U];
UINT32 IABR[4U];
UINT32 RESERVED8[60U];
UINT32 IPR[32U];
UINT32 RESERVED9[480U];
UINT32 ISR;
UINT32 IPTR;
UINT32 TSPEND;
UINT32 TSABR;
UINT32 TSPR;
} VIC_TYPE;
extern VIC_TYPE *VIC_REG;
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: Invalid interrupt number.
*
* Value: 0x02000900
*
* Solution: Ensure that the interrupt number is valid.
*/
#define OS_ERRNO_HWI_NUM_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x00)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: Null hardware interrupt handling function.
*
* Value: 0x02000901
*
* Solution: Pass in a valid non-null hardware interrupt handling function.
*/
#define OS_ERRNO_HWI_PROC_FUNC_NULL LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x01)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: Insufficient interrupt resources for hardware interrupt creation.
*
* Value: 0x02000902
*
* Solution: Increase the configured maximum number of supported hardware interrupts.
*/
#define OS_ERRNO_HWI_CB_UNAVAILABLE LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x02)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: Insufficient memory for hardware interrupt initialization.
*
* Value: 0x02000903
*
* Solution: Expand the configured memory.
*/
#define OS_ERRNO_HWI_NO_MEMORY LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x03)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: The interrupt has already been created.
*
* Value: 0x02000904
*
* Solution: Check whether the interrupt specified by the passed-in interrupt number has already been created.
*/
#define OS_ERRNO_HWI_ALREADY_CREATED LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x04)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: Invalid interrupt priority.
*
* Value: 0x02000905
*
* Solution: Ensure that the interrupt priority is valid.
*/
#define OS_ERRNO_HWI_PRIO_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x05)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: Incorrect interrupt creation mode.
*
* Value: 0x02000906
*
* Solution: The interrupt creation mode can be only set to OS_HWI_MODE_COMM or OS_HWI_MODE_FAST.
*/
#define OS_ERRNO_HWI_MODE_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x06)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: The interrupt has already been created as a fast interrupt.
*
* Value: 0x02000907
*
* Solution: Check whether the interrupt specified by the passed-in interrupt number has already been created.
*/
#define OS_ERRNO_HWI_FASTMODE_ALREADY_CREATED LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x07)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: Invalid interrupt number.
*
* Value: 0x02000900
*
* Solution: Ensure that the interrupt number is valid.
*/
#define LOS_ERRNO_HWI_NUM_INVALID OS_ERRNO_HWI_NUM_INVALID
#if (OS_HWI_WITH_ARG == 1)
/* *
* @ingroup los_arch_interrupt
* Set interrupt vector table.
*/
extern VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector, VOID *arg);
#else
/* *
* @ingroup los_arch_interrupt
* Set interrupt vector table.
*/
extern VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector);
#endif
/* *
* @ingroup los_arch_interrupt
* @brief: Hardware interrupt entry function.
*
* @par Description:
* This API is used as all hardware interrupt handling function entry.
*
* @attention:
* <ul><li>None.</li></ul>
*
* @param:None.
*
* @retval:None.
* @par Dependency:
* <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
* @see None.
*/
extern VOID HalInterrupt(VOID);
/* *
* @ingroup los_arch_interrupt
* @brief: Get an interrupt number.
*
* @par Description:
* This API is used to get the current interrupt number.
*
* @attention:
* <ul><li>None.</li></ul>
*
* @param: None.
*
* @retval: Interrupt Indexes number.
* @par Dependency:
* <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
* @see None.
*/
extern UINT32 HalIntNumGet(VOID);
/* *
* @ingroup los_arch_interrupt
* @brief: Default vector handling function.
*
* @par Description:
* This API is used to configure interrupt for null function.
*
* @attention:
* <ul><li>None.</li></ul>
*
* @param:None.
*
* @retval:None.
* @par Dependency:
* <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
* @see None.
*/
extern VOID HalHwiDefaultHandler(VOID);
#define OS_EXC_IN_INIT 0
#define OS_EXC_IN_TASK 1
#define OS_EXC_IN_HWI 2
#define OS_VIC_INT_ENABLE_SIZE 0x4
#define OS_VIC_INT_WAKER_SIZE 0x4
#define OS_VIC_INT_ICER_SIZE 0x4
#define OS_VIC_INT_ISPR_SIZE 0x4
#define OS_VIC_INT_IABR_SIZE 0x4
#define OS_VIC_INT_IPR_SIZE 0x4
#define OS_VIC_INT_ISR_SIZE 0x4
#define OS_VIC_INT_IPTR_SIZE 0x4
#define OS_EXC_FLAG_FAULTADDR_VALID 0x01
#define OS_EXC_IMPRECISE_ACCESS_ADDR 0xABABABAB
/**
* @ingroup los_exc
* the struct of register files
*
* description: the register files that saved when exception triggered
*
* notes:the following register with prefix 'uw' correspond to the registers in the cpu data sheet.
*/
typedef struct TagExcContext {
UINT32 R0;
UINT32 R1;
UINT32 R2;
UINT32 R3;
UINT32 R4;
UINT32 R5;
UINT32 R6;
UINT32 R7;
UINT32 R8;
UINT32 R9;
UINT32 R10;
UINT32 R11;
UINT32 R12;
UINT32 R13;
UINT32 R14;
UINT32 R15;
UINT32 EPSR;
UINT32 EPC;
} EXC_CONTEXT_S;
/* *
* @ingroup los_arch_interrupt
* @brief: Exception handler function.
*
* @par Description:
* This API is used to handle Exception.
*
* @attention:
* <ul><li>None.</li></ul>
*
* @param excBufAddr [IN] The address of stack pointer at which the error occurred.
* @param faultAddr [IN] The address at which the error occurred.
*
* @retval:None.
* @par Dependency:
* <ul><li>los_arch_interrupt.h: the header file that contains the API declaration.</li></ul>
* @see None.
*/
LITE_OS_SEC_TEXT_INIT VOID HalExcHandleEntry(EXC_CONTEXT_S *excBufAddr, UINT32 faultAddr);
VOID IrqEntry(VOID);
VOID HandleEntry(VOID);
VOID HalHwiInit(VOID);
/**
* @ingroup los_exc
* Exception information structure
*
* Description: Exception information saved when an exception is triggered on the Csky platform.
*
*/
typedef struct TagExcInfo {
UINT16 phase;
UINT16 type;
UINT32 faultAddr;
UINT32 thrdPid;
UINT16 nestCnt;
UINT16 reserved;
EXC_CONTEXT_S *context;
} ExcInfo;
extern ExcInfo g_excInfo;
#define MAX_INT_INFO_SIZE (8 + 0x164)
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_ARCH_INTERRUPT_H */

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

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_context.h"
#include "securec.h"
#include "los_arch_context.h"
#include "los_arch_interrupt.h"
#include "los_task.h"
#include "los_sched.h"
#include "los_interrupt.h"
#include "los_arch_timer.h"
#include "los_debug.h"
STATIC UINT32 g_sysNeedSched = FALSE;
/* ****************************************************************************
Function : HalArchInit
Description : arch init function
Input : None
Output : None
Return : None
**************************************************************************** */
LITE_OS_SEC_TEXT_INIT VOID HalArchInit(VOID)
{
UINT32 ret;
HalHwiInit();
ret = HalTickStart(OsTickHandler);
if (ret != LOS_OK) {
PRINT_ERR("Tick start failed!\n");
}
}
/* ****************************************************************************
Function : HalSysExit
Description : Task exit function
Input : None
Output : None
Return : None
**************************************************************************** */
LITE_OS_SEC_TEXT_MINOR VOID HalSysExit(VOID)
{
LOS_IntLock();
while (1) {
}
}
/* ****************************************************************************
Function : HalTskStackInit
Description : Task stack initialization function
Input : taskID --- TaskID
stackSize --- Total size of the stack
topStack --- Top of task's stack
Output : None
Return : Context pointer
**************************************************************************** */
LITE_OS_SEC_TEXT_INIT VOID *HalTskStackInit(UINT32 taskID, UINT32 stackSize, VOID *topStack)
{
TaskContext *context = NULL;
errno_t result;
/* initialize the task stack, write magic num to stack top */
result = memset_s(topStack, stackSize, (INT32)(OS_TASK_STACK_INIT & 0xFF), stackSize);
if (result != EOK) {
printf("memset_s is failed:%s[%d]\r\n", __FUNCTION__, __LINE__);
}
*((UINT32 *)(topStack)) = OS_TASK_MAGIC_WORD;
context = (TaskContext *)(((UINTPTR)topStack + stackSize) - sizeof(TaskContext));
context->R0 = taskID;
context->R1 = 0x01010101L;
context->R2 = 0x02020202L;
context->R3 = 0x03030303L;
context->R4 = 0x04040404L;
context->R5 = 0x05050505L;
context->R6 = 0x06060606L;
context->R7 = 0x07070707L;
context->R8 = 0x08080808L;
context->R9 = 0x09090909L;
context->R10 = 0x10101010L;
context->R11 = 0x11111111L;
context->R12 = 0x12121212L;
context->R13 = 0x13131313L;
context->R15 = (UINT32)HalSysExit;
context->EPSR = 0xe0000144L;
context->EPC = (UINT32)OsTaskEntry;
return (VOID *)context;
}
LITE_OS_SEC_TEXT_INIT UINT32 HalStartSchedule(VOID)
{
(VOID)LOS_IntLock();
OsSchedStart();
HalStartToRun();
return LOS_OK; /* never return */
}
VOID HalIrqEndCheckNeedSched(VOID)
{
if (g_sysNeedSched && g_taskScheduled && LOS_CHECK_SCHEDULE) {
HalTaskSchedule();
}
}
VOID HalTaskSchedule(VOID)
{
UINT32 intSave;
if (OS_INT_ACTIVE) {
g_sysNeedSched = TRUE;
return;
}
intSave = LOS_IntLock();
g_sysNeedSched = FALSE;
BOOL isSwitch = OsSchedTaskSwitch();
if (isSwitch) {
HalTaskContextSwitch();
return;
}
LOS_IntRestore(intSave);
return;
}

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/*
* Copyright (c) 2013-2020, 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.
*/
#define OS_TASK_STATUS_RUNNING 0x0010
#define VIC_TSPDR 0XE000EC08
.section .text
.align 2
.type HalStartToRun, %function
.global HalStartToRun
HalStartToRun:
lrw r1, g_losTask
lrw r2, g_losTask + 4
ldw r0, (r2)
st.w r0, (r1)
st.w r0, (r2)
ldw sp, (r0)
ldw r0, (sp, 64)
mtcr r0, epc
ldw r0, (sp, 60)
mtcr r0, epsr
ldw r15, (sp, 56)
ldm r0-r13, (sp)
rte
.align 2
.type HalTaskContextSwitch, %function
.global HalTaskContextSwitch
HalTaskContextSwitch:
subi sp, 68
stm r0-r13, (sp)
stw r15, (sp, 56)
mfcr r1, psr
stw r1, (sp, 60)
stw r15, (sp, 64)
lrw r2, g_losTask
ldw r0, (r2)
stw sp, (r0)
lrw r3, g_losTask + 4
ldw r0, (r3)
stw r0, (r2)
ldw sp, (r0)
ldw r0, (sp, 64)
mtcr r0, epc
ldw r0, (sp, 60)
mtcr r0, epsr
ldw r15, (sp, 56)
ldm r0-r13, (sp)
addi sp, 68
rte

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/*
* Copyright (c) 2013-2020, 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 HalExcHandleEntry
.extern g_trapStackBase
.section .text
.align 2
.global HandleEntry
HandleEntry:
mov r10, sp
lrw r14, g_trapStackBase
stm r0-r15, (sp)
stw r10, (sp, 56)
mfcr r0, epsr
stw r0, (sp, 64)
mfcr r0, epc
stw r0, (sp, 68)
mov r0, sp
mfcr r1, epc
mov sp, r10
lrw r2, HalExcHandleEntry
jmp r2

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_interrupt.h"
#include <stdarg.h>
#include "securec.h"
#include "los_context.h"
#include "los_arch_context.h"
#include "los_arch_interrupt.h"
#include "los_debug.h"
#include "los_hook.h"
#include "los_task.h"
#include "los_sched.h"
#include "los_memory.h"
#include "los_membox.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define INT_OFFSET 6
#define PRI_OFF_PER_INT 8
#define PRI_PER_REG 4
#define PRI_OFF_IN_REG 6
#define PRI_BITS 2
#define PRI_HI 0
#define PRI_LOW 7
#define MASK_8_BITS 0xFF
#define MASK_32_BITS 0xFFFFFFFF
#define BYTES_OF_128_INT 4
#define TIM_INT_NUM 1
#define OS_USER_HWI_MIN 0
#define OS_USER_HWI_MAX (LOSCFG_PLATFORM_HWI_LIMIT - 1)
UINT32 g_intCount = 0;
CHAR g_trapStackBase[OS_TRAP_STACK_SIZE];
VIC_TYPE *VIC_REG = (VIC_TYPE *)VIC_REG_BASE;
UINT32 HwiNumValid(UINT32 num)
{
return ((num) >= OS_USER_HWI_MIN) && ((num) <= OS_USER_HWI_MAX);
}
UINT32 HalGetPsr(VOID)
{
UINT32 intSave;
__asm__ volatile("mfcr %0, psr" : "=r" (intSave) : : "memory");
return intSave;
}
UINT32 HalSetVbr(UINT32 intSave)
{
__asm__ volatile("mtcr %0, vbr" : : "r"(intSave) : "memory");
return intSave;
}
UINT32 HalIntLock(VOID)
{
UINT32 intSave;
__asm__ __volatile__(
"mfcr %0, psr \n"
"psrclr ie"
: "=r"(intSave)
:
: "memory");
return intSave;
}
UINT32 HalIntUnlock(VOID)
{
UINT32 intSave;
__asm__ __volatile__(
"mfcr %0, psr \n"
"psrset ie"
: "=r"(intSave)
:
: "memory");
return intSave;
}
VOID HalIntRestore(UINT32 intSave)
{
__asm__ __volatile__("mtcr %0, psr" : : "r"(intSave));
}
UINT32 HalIntLocked(VOID)
{
UINT32 intSave;
__asm__ volatile("mfcr %0, psr" : "=r" (intSave) : : "memory");
return !(intSave & (1 << INT_OFFSET));
}
UINT32 HalIrqUnmask(UINT32 hwiNum)
{
UINT32 intSave;
if (!HwiNumValid(hwiNum)) {
return LOS_ERRNO_HWI_NUM_INVALID;
}
intSave = LOS_IntLock();
VIC_REG->ISER[hwiNum / OS_SYS_VECTOR_CNT] = (UINT32)(1UL << (hwiNum % OS_SYS_VECTOR_CNT));
VIC_REG->ISSR[hwiNum / OS_SYS_VECTOR_CNT] = (UINT32)(1UL << (hwiNum % OS_SYS_VECTOR_CNT));
LOS_IntRestore(intSave);
return LOS_OK;
}
UINT32 HalIrqSetPriority(UINT32 hwiNum, UINT8 priority)
{
UINT32 intSave;
if (!HwiNumValid(hwiNum)) {
return LOS_ERRNO_HWI_NUM_INVALID;
}
if (!HWI_PRI_VALID(priority)) {
return OS_ERRNO_HWI_PRIO_INVALID;
}
intSave = LOS_IntLock();
VIC_REG->IPR[hwiNum / PRI_PER_REG] |= (((priority << PRI_OFF_IN_REG) << (hwiNum % PRI_PER_REG)) * PRI_OFF_PER_INT);
LOS_IntRestore(intSave);
return LOS_OK;
}
UINT32 HalIrqMask(HWI_HANDLE_T hwiNum)
{
UINT32 intSave;
if (!HwiNumValid(hwiNum)) {
return LOS_ERRNO_HWI_NUM_INVALID;
}
intSave = LOS_IntLock();
VIC_REG->ICER[hwiNum / OS_SYS_VECTOR_CNT] = (UINT32)(1UL << (hwiNum % OS_SYS_VECTOR_CNT));
LOS_IntRestore(intSave);
return LOS_OK;
}
UINT32 HalIrqPending(UINT32 hwiNum)
{
UINT32 intSave;
if (!HwiNumValid(hwiNum)) {
return LOS_ERRNO_HWI_NUM_INVALID;
}
intSave = LOS_IntLock();
VIC_REG->ISPR[hwiNum / OS_SYS_VECTOR_CNT] = (UINT32)(1UL << (hwiNum % OS_SYS_VECTOR_CNT));
LOS_IntRestore(intSave);
return LOS_OK;
}
UINT32 HalIrqClear(UINT32 hwiNum)
{
if (!HwiNumValid(hwiNum)) {
return LOS_ERRNO_HWI_NUM_INVALID;
}
VIC_REG->ICPR[hwiNum / OS_SYS_VECTOR_CNT] = (UINT32)(1UL << (hwiNum % OS_SYS_VECTOR_CNT));
return LOS_OK;
}
/* *
* @ingroup los_hwi
* Hardware interrupt form mapping handling function array.
*/
STATIC HWI_PROC_FUNC __attribute__((aligned(0x100))) g_hwiForm[OS_VECTOR_CNT] = {0};
#if (OS_HWI_WITH_ARG == 1)
typedef struct {
HWI_PROC_FUNC pfnHandler;
VOID *pParm;
} HWI_HANDLER_FUNC;
/* *
* @ingroup los_hwi
* Hardware interrupt handler form mapping handling function array.
*/
STATIC HWI_HANDLER_FUNC g_hwiHandlerForm[OS_VECTOR_CNT] = {{ (HWI_PROC_FUNC)0, (HWI_ARG_T)0 }};
/* *
* @ingroup los_hwi
* Set interrupt vector table.
*/
VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector, VOID *arg)
{
if ((num + OS_SYS_VECTOR_CNT) < OS_VECTOR_CNT) {
g_hwiForm[num + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)IrqEntry;
g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT].pfnHandler = vector;
g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT].pParm = arg;
HalIrqUnmask(num);
}
}
#else
/* *
* @ingroup los_hwi
* Hardware interrupt handler form mapping handling function array.
*/
STATIC HWI_PROC_FUNC g_hwiHandlerForm[OS_VECTOR_CNT] = {0};
/* *
* @ingroup los_hwi
* Set interrupt vector table.
*/
VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector)
{
if ((num + OS_SYS_VECTOR_CNT) < OS_VECTOR_CNT) {
g_hwiForm[num + OS_SYS_VECTOR_CNT] = IrqEntry;
g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT] = vector;
HalIrqUnmask(num);
}
}
#endif
/* ****************************************************************************
Function : HalIntNumGet
Description : Get an interrupt number
Input : None
Output : None
Return : Interrupt Indexes number
**************************************************************************** */
LITE_OS_SEC_TEXT_MINOR UINT32 HalIntNumGet(VOID)
{
return HalGetPsr();
}
inline UINT32 HalIsIntActive(VOID)
{
return (g_intCount > 0);
}
/* ****************************************************************************
Function : HalHwiDefaultHandler
Description : default handler of the hardware interrupt
Input : None
Output : None
Return : None
**************************************************************************** */
LITE_OS_SEC_TEXT_MINOR VOID HalHwiDefaultHandler(VOID)
{
UINT32 irqNum = HalIntNumGet();
irqNum = (irqNum >> PSR_VEC_OFFSET) & MASK_8_BITS;
PRINT_ERR("%s irqnum:%x\n", __FUNCTION__, irqNum);
while (1) {}
}
WEAK VOID HalPreInterruptHandler(UINT32 arg)
{
return;
}
WEAK VOID HalAftInterruptHandler(UINT32 arg)
{
return;
}
/* ****************************************************************************
Function : HalInterrupt
Description : Hardware interrupt entry function
Input : None
Output : None
Return : None
**************************************************************************** */
LITE_OS_SEC_TEXT VOID HalInterrupt(VOID)
{
UINT32 hwiIndex;
UINT32 intSave;
intSave = LOS_IntLock();
g_intCount = TRUE;
LOS_IntRestore(intSave);
hwiIndex = HalIntNumGet();
hwiIndex = (hwiIndex >> PSR_VEC_OFFSET) & MASK_8_BITS;
OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
HalPreInterruptHandler(hwiIndex);
#if (OS_HWI_WITH_ARG == 1)
if (g_hwiHandlerForm[hwiIndex].pfnHandler != 0) {
g_hwiHandlerForm[hwiIndex].pfnHandler((VOID *)g_hwiHandlerForm[hwiIndex].pParm);
}
#else
if (g_hwiHandlerForm[hwiIndex] != 0) {
g_hwiHandlerForm[hwiIndex]();
}
#endif
HalAftInterruptHandler(hwiIndex);
OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
intSave = LOS_IntLock();
g_intCount = FALSE;
HalIrqEndCheckNeedSched();
LOS_IntRestore(intSave);
}
/* ****************************************************************************
Function : HalHwiCreate
Description : create hardware interrupt
Input : hwiNum --- hwi num to create
hwiPrio --- priority of the hwi
mode --- unused
handler --- hwi handler
arg --- param of the hwi handler
Output : None
Return : LOS_OK on success or error code on failure
**************************************************************************** */
LITE_OS_SEC_TEXT_INIT UINT32 HalHwiCreate(HWI_HANDLE_T hwiNum,
HWI_PRIOR_T hwiPrio,
HWI_MODE_T mode,
HWI_PROC_FUNC handler,
HWI_ARG_T arg)
{
UINT32 intSave;
if (handler == NULL) {
return OS_ERRNO_HWI_PROC_FUNC_NULL;
}
if (hwiNum >= OS_HWI_MAX_NUM) {
return OS_ERRNO_HWI_NUM_INVALID;
}
if (g_hwiHandlerForm[hwiNum + OS_SYS_VECTOR_CNT] != 0) {
return OS_ERRNO_HWI_ALREADY_CREATED;
}
if (g_hwiHandlerForm[hwiNum + OS_SYS_VECTOR_CNT] != 0) {
return OS_ERRNO_HWI_ALREADY_CREATED;
}
if (hwiPrio > OS_HWI_PRIO_LOWEST) {
return OS_ERRNO_HWI_PRIO_INVALID;
}
intSave = LOS_IntLock();
#if (OS_HWI_WITH_ARG == 1)
OsSetVector(hwiNum, handler, arg);
#else
OsSetVector(hwiNum, handler);
#endif
HalIrqUnmask(hwiNum);
(VOID)HalIrqSetPriority(hwiNum, (UINT8)hwiPrio);
LOS_IntRestore(intSave);
return LOS_OK;
}
/* ****************************************************************************
Function : HalHwiDelete
Description : Delete hardware interrupt
Input : hwiNum --- hwi num to delete
Output : None
Return : LOS_OK on success or error code on failure
**************************************************************************** */
LITE_OS_SEC_TEXT_INIT UINT32 HalHwiDelete(HWI_HANDLE_T hwiNum)
{
UINT32 intSave;
if (hwiNum >= OS_HWI_MAX_NUM) {
return OS_ERRNO_HWI_NUM_INVALID;
}
HalIrqMask(hwiNum);
intSave = LOS_IntLock();
g_hwiHandlerForm[hwiNum + OS_SYS_VECTOR_CNT] = 0;
LOS_IntRestore(intSave);
return LOS_OK;
}
ExcInfo g_excInfo = {0};
#if (LOSCFG_KERNEL_PRINTF != 0)
STATIC VOID OsExcTypeInfo(const ExcInfo *excInfo)
{
CHAR *phaseStr[] = {"exc in init", "exc in task", "exc in hwi"};
PRINTK("Type = %d\n", excInfo->type);
PRINTK("ThrdPid = %d\n", excInfo->thrdPid);
PRINTK("Phase = %s\n", phaseStr[excInfo->phase]);
PRINTK("FaultAddr = 0x%x\n", excInfo->faultAddr);
}
STATIC VOID OsExcCurTaskInfo(const ExcInfo *excInfo)
{
PRINTK("Current task info:\n");
if (excInfo->phase == OS_EXC_IN_TASK) {
LosTaskCB *taskCB = OS_TCB_FROM_TID(LOS_CurTaskIDGet());
PRINTK("Task name = %s\n", taskCB->taskName);
PRINTK("Task ID = %d\n", taskCB->taskID);
PRINTK("Task SP = 0x%x\n", (UINTPTR)taskCB->stackPointer);
PRINTK("Task ST = 0x%x\n", taskCB->topOfStack);
PRINTK("Task SS = 0x%x\n", taskCB->stackSize);
} else if (excInfo->phase == OS_EXC_IN_HWI) {
PRINTK("Exception occur in interrupt phase!\n");
} else {
PRINTK("Exception occur in system init phase!\n");
}
}
STATIC VOID OsExcRegInfo(const ExcInfo *excInfo)
{
EXC_CONTEXT_S *excContext = excInfo->context;
PRINTK("Exception reg dump:\n");
PRINTK("R0 = 0x%x\n"
"R1 = 0x%x\n"
"R2 = 0x%x\n"
"R3 = 0x%x\n"
"R4 = 0x%x\n"
"R5 = 0x%x\n"
"R6 = 0x%x\n"
"R7 = 0x%x\n"
"R8 = 0x%x\n"
"R9 = 0x%x\n"
"R10 = 0x%x\n"
"R11 = 0x%x\n"
"R12 = 0x%x\n"
"R13 = 0x%x\n"
"R14 = 0x%x\n"
"R15 = 0x%x\n"
"EPSR = 0x%x\n"
"EPC = 0x%x\n",
excContext->R0, excContext->R1, excContext->R2, excContext->R3, excContext->R4, excContext->R5,
excContext->R6, excContext->R7, excContext->R8, excContext->R9, excContext->R10, excContext->R11,
excContext->R12, excContext->R13, excContext->R14, excContext->R15, excContext->EPSR,
excContext->EPC);
}
STATIC VOID OsExcBackTraceInfo(const ExcInfo *excInfo)
{
UINTPTR LR[LOSCFG_BACKTRACE_DEPTH] = {0};
UINT32 index;
OsBackTraceHookCall(LR, LOSCFG_BACKTRACE_DEPTH, 0, excInfo->context->R14);
PRINTK("----- backtrace start -----\n");
for (index = 0; index < LOSCFG_BACKTRACE_DEPTH; index++) {
if (LR[index] == 0) {
break;
}
PRINTK("backtrace %d -- lr = 0x%x\n", index, LR[index]);
}
PRINTK("----- backtrace end -----\n");
}
STATIC VOID OsExcMemPoolCheckInfo(VOID)
{
PRINTK("\r\nmemory pools check:\n");
#if (LOSCFG_PLATFORM_EXC == 1)
MemInfoCB memExcInfo[OS_SYS_MEM_NUM];
UINT32 errCnt;
UINT32 i;
(VOID)memset_s(memExcInfo, sizeof(memExcInfo), 0, sizeof(memExcInfo));
errCnt = OsMemExcInfoGet(OS_SYS_MEM_NUM, memExcInfo);
if (errCnt < OS_SYS_MEM_NUM) {
errCnt += OsMemboxExcInfoGet(OS_SYS_MEM_NUM - errCnt, memExcInfo + errCnt);
}
if (errCnt == 0) {
PRINTK("all memory pool check passed!\n");
return;
}
for (i = 0; i < errCnt; i++) {
PRINTK("pool num = %d\n", i);
PRINTK("pool type = %d\n", memExcInfo[i].type);
PRINTK("pool addr = 0x%x\n", memExcInfo[i].startAddr);
PRINTK("pool size = 0x%x\n", memExcInfo[i].size);
PRINTK("pool free = 0x%x\n", memExcInfo[i].free);
PRINTK("pool blkNum = %d\n", memExcInfo[i].blockSize);
PRINTK("pool error node addr = 0x%x\n", memExcInfo[i].errorAddr);
PRINTK("pool error node len = 0x%x\n", memExcInfo[i].errorLen);
PRINTK("pool error node owner = %d\n", memExcInfo[i].errorOwner);
}
#endif
UINT32 ret = LOS_MemIntegrityCheck(LOSCFG_SYS_HEAP_ADDR);
if (ret == LOS_OK) {
PRINTK("system heap memcheck over, all passed!\n");
}
PRINTK("memory pool check end!\n");
}
#endif
STATIC VOID OsExcInfoDisplay(const ExcInfo *excInfo)
{
#if (LOSCFG_KERNEL_PRINTF != 0)
PRINTK("*************Exception Information**************\n");
OsExcTypeInfo(excInfo);
OsExcCurTaskInfo(excInfo);
OsExcRegInfo(excInfo);
OsExcBackTraceInfo(excInfo);
OsGetAllTskInfo();
OsExcMemPoolCheckInfo();
#endif
}
LITE_OS_SEC_TEXT_INIT VOID HalExcHandleEntry(EXC_CONTEXT_S *excBufAddr, UINT32 faultAddr)
{
UINT16 tmpFlag = ((excBufAddr->EPSR >> PSR_VEC_OFFSET) & MASK_8_BITS);
g_excInfo.nestCnt++;
UINT32 excType = (HalGetPsr() >> PSR_VEC_OFFSET) & MASK_8_BITS;
g_excInfo.type = excType;
g_excInfo.faultAddr = faultAddr;
if (g_losTask.runTask != NULL) {
if (tmpFlag >= 0) {
g_excInfo.phase = OS_EXC_IN_HWI;
g_excInfo.thrdPid = tmpFlag;
} else {
g_excInfo.phase = OS_EXC_IN_TASK;
g_excInfo.thrdPid = g_losTask.runTask->taskID;
}
} else {
g_excInfo.phase = OS_EXC_IN_INIT;
g_excInfo.thrdPid = OS_NULL_INT;
}
g_excInfo.context = excBufAddr;
OsDoExcHook(EXC_INTERRUPT);
OsExcInfoDisplay(&g_excInfo);
HalSysExit();
}
/* stack protector */
WEAK UINT32 __stack_chk_guard = 0xd00a0dff;
WEAK VOID __stack_chk_fail(VOID)
{
/* __builtin_return_address is a builtin function, building in gcc */
LOS_Panic("stack-protector: Kernel stack is corrupted in: %x\n",
__builtin_return_address(0));
}
/* ****************************************************************************
Function : HalHwiInit
Description : initialization of the hardware interrupt
Input : None
Output : None
Return : None
**************************************************************************** */
LITE_OS_SEC_TEXT_INIT VOID HalHwiInit(VOID)
{
UINT32 i;
for (i = 1; i < OS_SYS_VECTOR_CNT; i++) {
g_hwiForm[i] = (HWI_PROC_FUNC)HandleEntry;
}
for (i = OS_SYS_VECTOR_CNT; i < (LOSCFG_PLATFORM_HWI_LIMIT + OS_SYS_VECTOR_CNT); i++) {
g_hwiForm[i] = (HWI_PROC_FUNC)IrqEntry;
}
HalSetVbr((UINT32)&g_hwiForm);
for (int i = 0; i < BYTES_OF_128_INT; i++) {
VIC_REG->IABR[i] = 0x0;
VIC_REG->ICPR[i] = MASK_32_BITS;
}
return;
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_timer.h"
#include "los_config.h"
#include "los_tick.h"
#include "los_arch_interrupt.h"
#include "los_context.h"
#include "los_sched.h"
#include "los_debug.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
typedef struct {
UINT32 CTRL;
UINT32 LOAD;
UINT32 VAL;
UINT32 CALIB;
} CORE_TIM_TYPE;
#define OS_CYCLE_PER_TICK (OS_SYS_CLOCK / LOSCFG_BASE_CORE_TICK_PER_SECOND)
#define CORE_TIM_BASE (0xE000E010UL)
#define SysTick ((CORE_TIM_TYPE *)CORE_TIM_BASE)
#define CORETIM_ENABLE (1UL << 0)
#define CORETIM_INTMASK (1UL << 1)
#define CORETIM_SOURCE (1UL << 2)
#define CORETIM_MODE (1UL << 16)
#define TIM_INT_NUM 1
/* ****************************************************************************
Function : HalTickStart
Description : Configure Tick Interrupt Start
Input : none
output : none
return : LOS_OK - Success , or LOS_ERRNO_TICK_CFG_INVALID - failed
**************************************************************************** */
WEAK UINT32 HalTickStart(OS_TICK_HANDLER *handler)
{
if ((OS_SYS_CLOCK == 0) || (LOSCFG_BASE_CORE_TICK_PER_SECOND == 0) ||
(LOSCFG_BASE_CORE_TICK_PER_SECOND > OS_SYS_CLOCK)) {
return LOS_ERRNO_TICK_CFG_INVALID;
}
g_sysClock = OS_SYS_CLOCK;
g_cyclesPerTick = OS_CYCLE_PER_TICK;
SysTick->LOAD = (OS_CYCLE_PER_TICK - 1);
SysTick->VAL = 0;
SysTick->CTRL |= (CORETIM_SOURCE | CORETIM_ENABLE | CORETIM_INTMASK);
VIC_REG->IWER[0] = 0x1 << TIM_INT_NUM;
#if (LOSCFG_USE_SYSTEM_DEFINED_INTERRUPT == 1)
#if (OS_HWI_WITH_ARG == 1)
OsSetVector(TIM_INT_NUM, (HWI_PROC_FUNC)handler, NULL);
#else
OsSetVector(TIM_INT_NUM, (HWI_PROC_FUNC)handler);
#endif
#endif
return LOS_OK;
}
WEAK VOID HalSysTickReload(UINT64 nextResponseTime)
{
SysTick->CTRL &= ~CORETIM_ENABLE;
SysTick->LOAD = (UINT32)(nextResponseTime - 1UL); /* set reload register */
SysTick->VAL = 0UL; /* Load the SysTick Counter Value */
SysTick->CTRL |= CORETIM_ENABLE;
}
WEAK UINT64 HalGetTickCycle(UINT32 *period)
{
UINT32 hwCycle;
UINT32 intSave = LOS_IntLock();
*period = SysTick->LOAD;
hwCycle = *period - SysTick->VAL;
LOS_IntRestore(intSave);
return (UINT64)hwCycle;
}
WEAK VOID HalTickLock(VOID)
{
SysTick->CTRL &= ~CORETIM_ENABLE;
}
WEAK VOID HalTickUnlock(VOID)
{
SysTick->CTRL |= CORETIM_ENABLE;
}
VOID Wfi(VOID)
{
__asm__ volatile("wait");
}
VOID Dsb(VOID)
{
__asm__ volatile("sync" : : : "memory");
}
UINT32 HalEnterSleep(VOID)
{
Dsb();
Wfi();
return LOS_OK;
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */

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# 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.
static_library("arch") {
sources = [
"los_context.c",
"los_dispatch.S",
"los_exc.S",
"los_interrupt.c",
"los_timer.c",
"los_window.S",
]
include_dirs = [
".",
"../../../../../kernel/arch/include",
"../../../../../kernel/include",
"../../../../../utils",
"//third_party/bounds_checking_function/include",
]
}

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_ARCH_ATOMIC_H
#define _LOS_ARCH_ATOMIC_H
#include "los_compiler.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/**
* @ingroup los_arch_atomic
* @brief Atomic exchange for 32-bit variable.
*
* @par Description:
* This API is used to implement the atomic exchange for 32-bit variable.
* @attention
* <ul>The pointer v must not be NULL.</ul>
*
* @param v [IN] The variable pointer.
* @param val [IN] The exchange value.
*
* @retval #INT32 The previous value of the atomic variable
* @par Dependency:
* <ul><li>los_arch_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT32 HalAtomicXchg32bits(volatile INT32 *v, INT32 val)
{
UINT32 intSave;
INT32 prevVal;
intSave = LOS_IntLock();
prevVal = *v;
*v = val;
LOS_IntRestore(intSave);
return prevVal;
}
/**
* @ingroup los_arch_atomic
* @brief Atomic auto-decrement.
*
* @par Description:
* This API is used to implement the atomic auto-decrement and return the result of auto-decrement.
* @attention
* <ul>
* <li>The pointer v must not be NULL.</li>
* <li>The value which v point to must not be INT_MIN to avoid overflow after reducing 1.</li></ul>
*
* @param v [IN] The addSelf variable pointer.
*
* @retval #INT32 The return value of variable auto-decrement.
* @par Dependency:
* <ul><li>los_arch_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE INT32 HalAtomicDecRet(volatile INT32 *v)
{
UINT32 intSave;
intSave = LOS_IntLock();
*v -= 1;
LOS_IntRestore(intSave);
return intSave;
}
/**
* @ingroup los_arch_atomic
* @brief Atomic exchange for 32-bit variable with compare.
*
* @par Description:
* This API is used to implement the atomic exchange for 32-bit variable, if the value of variable is equal to oldVal.
* @attention
* <ul>The pointer v must not be NULL.</ul>
*
* @param v [IN] The variable pointer.
* @param val [IN] The new value.
* @param oldVal [IN] The old value.
*
* @retval TRUE The previous value of the atomic variable is not equal to oldVal.
* @retval FALSE The previous value of the atomic variable is equal to oldVal.
* @par Dependency:
* <ul><li>los_arch_atomic.h: the header file that contains the API declaration.</li></ul>
* @see
*/
STATIC INLINE BOOL HalAtomicCmpXchg32bits(volatile INT32 *v, INT32 val, INT32 oldVal)
{
UINT32 intSave;
INT32 prevVal;
intSave = LOS_IntLock();
prevVal = *v;
if (prevVal == oldVal) {
*v = val;
}
LOS_IntRestore(intSave);
return (prevVal != oldVal);
}
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_ARCH_ATOMIC_H */

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_ARCH_CONTEXT_H
#define _LOS_ARCH_CONTEXT_H
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#define LOSCFG_STACK_POINT_ALIGN_SIZE 16
#define SAVED_REG_NUM 8
#define SPILL_WINDOW_SIZE 8
typedef struct {
UINT32 pc;
UINT32 ps;
UINT32 regA[16];
UINT32 sar;
UINT32 excCause;
UINT32 excVaddr;
UINT32 lbeg;
UINT32 lend;
UINT32 lcount;
UINT32 temp[4];
UINT32 res[8];
} TaskContext;
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_ARCH_CONTEXT_H */

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_ARCH_INTERRUPT_H
#define _LOS_ARCH_INTERRUPT_H
#include "los_config.h"
#include "los_compiler.h"
#include "los_interrupt.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
typedef struct {
UINT32 pc;
UINT32 ps;
UINT32 regA[16];
UINT32 sar;
UINT32 excCause;
UINT32 excVaddr;
UINT32 lbeg;
UINT32 lend;
UINT32 lcount;
UINT32 temp[4];
UINT32 res[8];
} EXC_CONTEXT_S;
#define VECTOR_START _init_start
extern CHAR *VECTOR_START;
#define INIT_VECTOR_START ((UINTPTR)&VECTOR_START)
/* *
* @ingroup los_arch_interrupt
* Maximum number of used hardware interrupts.
*/
#ifndef OS_HWI_MAX_NUM
#define OS_HWI_MAX_NUM LOSCFG_PLATFORM_HWI_LIMIT
#endif
/* *
* @ingroup los_arch_interrupt
* Highest priority of a hardware interrupt.
*/
#ifndef OS_HWI_PRIO_HIGHEST
#define OS_HWI_PRIO_HIGHEST 0
#endif
/* *
* @ingroup los_arch_interrupt
* Lowest priority of a hardware interrupt.
*/
#ifndef OS_HWI_PRIO_LOWEST
#define OS_HWI_PRIO_LOWEST 7
#endif
#define OS_EXC_IN_INIT 0
#define OS_EXC_IN_TASK 1
#define OS_EXC_IN_HWI 2
/* *
* @ingroup los_arch_interrupt
* Define the type of a hardware interrupt vector table function.
*/
typedef VOID (**HWI_VECTOR_FUNC)(VOID);
/* *
* @ingroup los_arch_interrupt
* Count of interrupts.
*/
extern UINT32 g_intCount;
/* *
* @ingroup los_arch_interrupt
* Count of Xtensa system interrupt vector.
*/
#define OS_SYS_VECTOR_CNT 0
/* *
* @ingroup los_arch_interrupt
* Count of Xtensa interrupt vector.
*/
#define OS_VECTOR_CNT (OS_SYS_VECTOR_CNT + OS_HWI_MAX_NUM)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: Invalid interrupt number.
*
* Value: 0x02000900
*
* Solution: Ensure that the interrupt number is valid.
*/
#define OS_ERRNO_HWI_NUM_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x00)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: Null hardware interrupt handling function.
*
* Value: 0x02000901
*
* Solution: Pass in a valid non-null hardware interrupt handling function.
*/
#define OS_ERRNO_HWI_PROC_FUNC_NULL LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x01)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: Insufficient interrupt resources for hardware interrupt creation.
*
* Value: 0x02000902
*
* Solution: Increase the configured maximum number of supported hardware interrupts.
*/
#define OS_ERRNO_HWI_CB_UNAVAILABLE LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x02)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: Insufficient memory for hardware interrupt initialization.
*
* Value: 0x02000903
*
* Solution: Expand the configured memory.
*/
#define OS_ERRNO_HWI_NO_MEMORY LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x03)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: The interrupt has already been created.
*
* Value: 0x02000904
*
* Solution: Check whether the interrupt specified by the passed-in interrupt number has already been created.
*/
#define OS_ERRNO_HWI_ALREADY_CREATED LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x04)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: Invalid interrupt priority.
*
* Value: 0x02000905
*
* Solution: Ensure that the interrupt priority is valid.
*/
#define OS_ERRNO_HWI_PRIO_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x05)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: Incorrect interrupt creation mode.
*
* Value: 0x02000906
*
* Solution: The interrupt creation mode can be only set to OS_HWI_MODE_COMM or OS_HWI_MODE_FAST.
*/
#define OS_ERRNO_HWI_MODE_INVALID LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x06)
/* *
* @ingroup los_arch_interrupt
* Hardware interrupt error code: The interrupt has already been created as a fast interrupt.
*
* Value: 0x02000907
*
* Solution: Check whether the interrupt specified by the passed-in interrupt number has already been created.
*/
#define OS_ERRNO_HWI_FASTMODE_ALREADY_CREATED LOS_ERRNO_OS_ERROR(LOS_MOD_HWI, 0x07)
#if (OS_HWI_WITH_ARG == 1)
/* *
* @ingroup los_arch_interrupt
* Set interrupt vector table.
*/
extern VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector, VOID *arg);
#else
/* *
* @ingroup los_arch_interrupt
* Set interrupt vector table.
*/
extern VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector);
#endif
VOID HalInterrupt(VOID);
UINT32 HalIntNumGet(VOID);
VOID HalHwiDefaultHandler(VOID);
VOID HalExcHandleEntry(UINTPTR faultAddr, EXC_CONTEXT_S *excBufAddr, UINT32 type);
VOID HalHwiInit(VOID);
/**
* @ingroup los_exc
* Exception information structure
*
* Description: Exception information saved when an exception is triggered on the Xtensa platform.
*
*/
typedef struct TagExcInfo {
UINT16 phase;
UINT16 type;
UINT32 faultAddr;
UINT32 thrdPid;
UINT16 nestCnt;
UINT16 reserved;
EXC_CONTEXT_S *context;
} ExcInfo;
extern UINT32 g_curNestCount;
extern ExcInfo g_excInfo;
#define MAX_INT_INFO_SIZE (8 + 0x164)
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_ARCH_INTERRUPT_H */

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_ARCH_MACRO_H
#define _LOS_ARCH_MACRO_H
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
.macro POP_ALL_REG SP
l32i a3, \SP, CONTEXT_OFF_LBEG
l32i a4, \SP, CONTEXT_OFF_LEND
wsr a3, LBEG
l32i a3, \SP, CONTEXT_OFF_LCOUNT
wsr a4, LEND
wsr a3, LCOUNT
l32i a3, \SP, CONTEXT_OFF_SAR
l32i a1, \SP, CONTEXT_OFF_A1
wsr a3, SAR
l32i a3, \SP, CONTEXT_OFF_A3
l32i a4, \SP, CONTEXT_OFF_A4
l32i a5, \SP, CONTEXT_OFF_A5
l32i a6, \SP, CONTEXT_OFF_A6
l32i a7, \SP, CONTEXT_OFF_A7
l32i a8, \SP, CONTEXT_OFF_A8
l32i a9, \SP, CONTEXT_OFF_A9
l32i a10, \SP, CONTEXT_OFF_A10
l32i a11, \SP, CONTEXT_OFF_A11
l32i a12, \SP, CONTEXT_OFF_A12
l32i a13, \SP, CONTEXT_OFF_A13
l32i a14, \SP, CONTEXT_OFF_A14
l32i a15, \SP, CONTEXT_OFF_A15
l32i a0, \SP, CONTEXT_OFF_PS
wsr a0, PS
l32i a0, \SP, CONTEXT_OFF_PC
wsr a0, EPC1
l32i a0, \SP, CONTEXT_OFF_A0
l32i a2, \SP, CONTEXT_OFF_A2
rsync
.endm
.macro PUSH_ALL_REG SP
s32i a0, \SP, CONTEXT_OFF_A0
s32i a1, \SP, CONTEXT_OFF_A1
s32i a2, \SP, CONTEXT_OFF_A2
s32i a3, \SP, CONTEXT_OFF_A3
s32i a4, \SP, CONTEXT_OFF_A4
s32i a5, \SP, CONTEXT_OFF_A5
s32i a6, \SP, CONTEXT_OFF_A6
s32i a7, \SP, CONTEXT_OFF_A7
s32i a8, \SP, CONTEXT_OFF_A8
s32i a9, \SP, CONTEXT_OFF_A9
s32i a10, \SP, CONTEXT_OFF_A10
s32i a11, \SP, CONTEXT_OFF_A11
s32i a12, \SP, CONTEXT_OFF_A12
s32i a13, \SP, CONTEXT_OFF_A13
s32i a14, \SP, CONTEXT_OFF_A14
s32i a15, \SP, CONTEXT_OFF_A15
rsr a3, SAR
s32i a3, \SP, CONTEXT_OFF_SAR
rsr a3, LBEG
s32i a3, \SP, CONTEXT_OFF_LBEG
rsr a3, LEND
s32i a3, \SP, CONTEXT_OFF_LEND
rsr a3, LCOUNT
s32i a3, \SP, CONTEXT_OFF_LCOUNT
rsr a3, PS
s32i a3, \SP, CONTEXT_OFF_PS
.endm
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_ARCH_MACRO_H */

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/*
* 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.
*/
/**
* @defgroup Special Register Fields and Values
* @ingroup kernel
*/
#ifndef _ARCH_REGS_H
#define _ARCH_REGS_H
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
/* PS register -- imprecise exception */
#define SPREG_PS_DEPC_SHIFT 4
#define SPREG_PS_DEPC_MASK 0x00000004
#define SPREG_PS_DEPC SPREG_PS_DEPC_MASK
/* PS register -- interrupt part */
#define SPREG_PS_DI_SHIFT 3
#define SPREG_PS_DI_MASK 0x00000008
#define SPREG_PS_DI SPREG_PS_DI_MASK
#define SPREG_PS_DI_DEPC 0x0000000C
/* PS register -- stack part */
#define SPREG_PS_STACK_SHIFT 5
#define SPREG_PS_STACK_MASK 0x000000E0
#define SPREG_PS_STACK_INTERRUPT 0x00000000
#define SPREG_PS_STACK_CROSS 0x00000020
#define SPREG_PS_STACK_IDLE 0x00000040
#define SPREG_PS_STACK_KERNEL 0x00000060
#define SPREG_PS_STACK_PAGE 0x000000E0
#define SPREG_PS_STACK_FIRSTINT 0x00000080
#define SPREG_PS_STACK_FIRSTKER 0x000000A0
/* PS register -- entry no rotate */
#define SPREG_PS_ENTRYNR_SHIFT 22
#define SPREG_PS_ENTRYNR_MASK 0x00400000
#define SPREG_PS_ENTRYNR SPREG_PS_ENTRYNR_MASK
/* Exccause Register -- cause */
#define SPREG_EXCCAUSE_CAUSE_SHIFT 0
#define SPREG_EXCCAUSE_CAUSE_BITS 4
#define SPREG_EXCCAUSE_CAUSE_MASK 0x0000000F
/**
* @ingroup Execute level of core
*/
#define EXEC_LEVEL_APPLICATION_CODE 2
#define EXEC_LEVEL_EXCEPTION_HANDLER 3
#define EXEC_LEVEL_INTERRUPT_HANDLER 4
#define EXEC_LEVEL_NON_INTERRUPTIBLE 5
/**
* @ingroup Schedule Flag stored on Task Context
*/
#define OS_SCHED_FLAG_TASKPREEMT 4 /* Task Preemted through LOS_Schedule */
/**
* @ingroup Context Fields Define
*/
#define CONTEXT_OFF_EPC 0
#define CONTEXT_OFF_PC 0 /* reuse with EPC */
#define CONTEXT_OFF_PS 4
#define CONTEXT_OFF_A0 8
#define CONTEXT_OFF_A1 12
#define CONTEXT_OFF_A2 16
#define CONTEXT_OFF_A3 20
#define CONTEXT_OFF_A4 24
#define CONTEXT_OFF_A5 28
#define CONTEXT_OFF_A6 32
#define CONTEXT_OFF_A7 36
#define CONTEXT_OFF_A8 40
#define CONTEXT_OFF_A9 44
#define CONTEXT_OFF_A10 48
#define CONTEXT_OFF_A11 52
#define CONTEXT_OFF_A12 56
#define CONTEXT_OFF_A13 60
#define CONTEXT_OFF_A14 64
#define CONTEXT_OFF_A15 68
#define CONTEXT_OFF_RESERVED 72
#define CONTEXT_OFF_SAR 72
#define CONTEXT_OFF_SCHED_FLAG 76 /* reuse with exccause */
#define CONTEXT_OFF_EXCCAUSE 76
#define CONTEXT_OFF_EXCVADDR 80
#define CONTEXT_OFF_LBEG 84
#define CONTEXT_OFF_LEND 88
#define CONTEXT_OFF_LCOUNT 92
#define CONTEXT_OFF_TMP0 96
#define CONTEXT_OFF_TMP1 100
#define CONTEXT_OFF_TMP2 104
#define CONTEXT_OFF_EXIT 108
#define CONTEXT_SIZE 144
#define EXCCAUSE_LEVEL1INTERRUPT 4
#define XTENSA_LOGREG_NUM 16
#define INDEX_OF_SP 1
#define INDEX_OF_ARGS0 6
#define WINDOWSTARTBITS 16
#define WINDOWBASEBITS 4
#define WINDOWSTARTMASK ((1 << WINDOWSTARTBITS) - 1)
#define WOE_ENABLE 0x40000
#define BIT_CALLINC 16
#define LEVEL_MASK 0xf
#define INT_MASK 5
#define LEVEL1_INT_MASK 1
#define USER_VECTOR_MODE 0x20
#define LEVEL1 1
#define LEVEL2 2
#define LEVEL3 3
#define LEVEL4 4
#define LEVEL5 5
#ifdef YES
#undef YES
#endif
#define YES 1
#ifdef NO
#undef NO
#endif
#define NO 0
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _ARCH_REGS_H */

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _LOS_ARCH_TIMER_H
#define _LOS_ARCH_TIMER_H
#include "los_config.h"
#include "los_compiler.h"
#include "los_context.h"
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
VOID SysTick_Handler(VOID);
UINT32 HalTickStart(OS_TICK_HANDLER handler);
#define TIM0_GROUP0 0x3FF5F000
#define TIM0_GROUP1 0x3FF60000
#define TIM1_GROUP0 0x3FF5F024
#define TIM1_GROUP1 0x3FF60024
#define TIM0_INT_ENABLE_GROUP0 0x3FF5F098
#define TIM0_INT_ENABLE_GROUP1 0x3FF60098
#define TIM0_INT_CLEAR_GROUP0 0x3FF5F0A4
#define TIM0_INT_CLEAR_GROUP1 0x3FF600A4
typedef struct {
UINT32 CTRL;
UINT64 VAL;
UINT32 UPDATE;
UINT64 ALARM;
UINT64 LOAD;
UINT32 LOAD_TRI;
} Systick_t;
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif /* _LOS_ARCH_TIMER_H */

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_context.h"
#include "securec.h"
#include "los_arch_regs.h"
#include "los_arch_context.h"
#include "los_arch_interrupt.h"
#include "los_task.h"
#include "los_sched.h"
#include "los_interrupt.h"
#include "los_arch_timer.h"
#include "los_timer.h"
#include "los_debug.h"
STATIC UINT32 g_sysNeedSched = FALSE;
UINT32 g_stackDefault[] = {
0x00000000, /* REG_OFF_PC */
0x00000000, /* REG_OFF_PS */
0x00000A00, /* REG_OFF_AR00 */
0x00000A01, /* REG_OFF_AR01 */
0x00000A02, /* REG_OFF_AR02 */
0x00000A03, /* REG_OFF_AR03 */
0x00000A04, /* REG_OFF_AR04 */
0x00000A05, /* REG_OFF_AR05 */
0x00000A06, /* REG_OFF_AR06 */
0x00000A07, /* REG_OFF_AR07 */
0x00000A08, /* REG_OFF_AR08 */
0x00000A09, /* REG_OFF_AR09 */
0x00000A10, /* REG_OFF_AR10 */
0x00000A11, /* REG_OFF_AR11 */
0x00000A12, /* REG_OFF_AR12 */
0x00000A13, /* REG_OFF_AR13 */
0x00000A14, /* REG_OFF_AR14 */
0x00000A15, /* REG_OFF_AR15 */
0x00000000, /* REG_OFF_RESERVED */
0x00000000, /* REG_OFF_EXCCAUSE */
0x00000000, /* REG_OFF_EXCVASSR */
0x00000000, /* REG_OFF_LCOUNT */
0x00000000, /* REG_OFF_LEND */
0x00000000, /* REG_OFF_LBEG */
0x00000000, /* REG_OFF_TMP */
0x00000000, /* REG_OFF_TMP */
0x00000000, /* REG_OFF_TMP */
0x00000000, /* REG_OFF_TMP */
0x00000000, /* REG_OFF_SPILL_RESERVED */
0x00000000, /* REG_OFF_SPILL_RESERVED */
0x00000000, /* REG_OFF_SPILL_RESERVED */
0x00000000, /* REG_OFF_SPILL_RESERVED */
0x00000000, /* REG_OFF_SPILL_RESERVED */
0x00000000, /* REG_OFF_SPILL_RESERVED */
0x00000000, /* REG_OFF_SPILL_RESERVED */
0x00000000, /* REG_OFF_SPILL_RESERVED */
};
LITE_OS_SEC_TEXT_INIT VOID HalArchInit(VOID)
{
HalHwiInit();
}
LITE_OS_SEC_TEXT_MINOR VOID HalSysExit(VOID)
{
LOS_IntLock();
while (1) {
}
}
LITE_OS_SEC_TEXT_INIT VOID *HalTskStackInit(UINT32 taskID, UINT32 stackSize, VOID *topStack)
{
TaskContext *context = NULL;
errno_t result;
/* initialize the task stack, write magic num to stack top */
result = memset_s(topStack, stackSize, (INT32)(OS_TASK_STACK_INIT & 0xFF), stackSize);
if (result != EOK) {
printf("memset_s is failed:%s[%d]\r\n", __FUNCTION__, __LINE__);
}
*((UINT32 *)(topStack)) = OS_TASK_MAGIC_WORD;
context = (TaskContext *)((((UINTPTR)topStack + stackSize) - sizeof(TaskContext)));
/* initialize the task context */
result = memcpy_s(context, sizeof(TaskContext), g_stackDefault, sizeof(TaskContext));
if (result != EOK) {
PRINT_ERR("[%s] memcpy_s failed!\n", __func__);
}
context->pc = (UINT32)(UINTPTR)OsTaskEntry;
context->regA[INDEX_OF_SP] = (UINTPTR)topStack + stackSize; /* endStack */
context->regA[INDEX_OF_ARGS0] = taskID; /* argument1 */
context->ps = SPREG_PS_STACK_CROSS | WOE_ENABLE | 1 << BIT_CALLINC; /* set to kernel stack */
return (VOID *)context;
}
VOID HalStartToRun(VOID)
{
__asm__ volatile ("call0 OsStartToRun");
}
LITE_OS_SEC_TEXT_INIT UINT32 HalStartSchedule(VOID)
{
UINT32 ret;
(VOID)LOS_IntLock();
ret = HalTickStart(OsTickHandler);
if (ret != LOS_OK) {
PRINT_ERR("Tick start failed!\n");
}
OsSchedStart();
HalStartToRun();
return LOS_OK;
}
VOID HalTaskSchedule(VOID)
{
UINT32 intSave;
if (OS_INT_ACTIVE) {
g_sysNeedSched = TRUE;
return;
}
intSave = LOS_IntLock();
g_sysNeedSched = FALSE;
BOOL isSwitch = OsSchedTaskSwitch();
if (isSwitch) {
HalTaskContextSwitch();
return;
}
LOS_IntRestore(intSave);
return;
}
VOID HalIrqEndCheckNeedSched(VOID)
{
if (g_sysNeedSched && g_taskScheduled && LOS_CHECK_SCHEDULE) {
HalTaskSchedule();
}
}

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_arch_regs.h"
#include "los_arch_macro.h"
.section .text
.literal_position
.align 4
.type HalTaskContextSwitch, %function
.global HalTaskContextSwitch
HalTaskContextSwitch:
entry sp, 16
addi a2, sp, -CONTEXT_SIZE
PUSH_ALL_REG a2
call0 SaveRetAddr
beqi a3, 1, .switchdone
movi a4, g_losTask
l32i a5, a4, 0 /* get run task */
s32i a2, a5, 0 /* store sp */
l32i a5, a4, 4 /* get new task */
s32i a5, a4, 0 /* run task = new task */
l32i a4, a5, 0 /* get new sp */
rsr a5, PS
movi a3, ~(WOE_ENABLE | LEVEL_MASK)
and a2, a5, a3
addi a2, a2, 3
wsr a2, PS
rsync
call0 SpillWindow
mov a2, a4
POP_ALL_REG a2
rfe
.switchdone:
retw
.type HakSpillWindow, %function
.global HakSpillWindow
HakSpillWindow:
entry sp, 16
addi a2, sp, -CONTEXT_SIZE
PUSH_ALL_REG a2
rsr a5, PS
movi a3, ~(WOE_ENABLE | LEVEL_MASK) /* disable woe and int */
and a3, a5, a3
addi a3, a3, LEVEL3
wsr a3, PS
rsync
mov a4, a2
call0 SpillWindow
l32i a5, a4, CONTEXT_OFF_PS /* restroe PS */
wsr a5, PS
rsync
l32i a0, a4, CONTEXT_OFF_A0
l32i a1, a4, CONTEXT_OFF_A1
retw
.type OsStartToRun, %function
.global OsStartToRun
OsStartToRun:
movi a2, g_losTask
l32i a3, a2, 4 /* get new task */
l32i sp, a3, 0 /* get sp */
rsr a4, PS
movi a3, ~(WOE_ENABLE | LEVEL_MASK)
and a2, a4, a3
addi a2, a2, LEVEL3
wsr a2, PS
rsync
mov a5, a1
l32i a1, a1, CONTEXT_OFF_A1
call0 SpillWindow
mov a2, a5
POP_ALL_REG a2
rfe
.global SaveRetAddr
.type SaveRetAddr, @function
.literal_position
.align 4
SaveRetAddr:
movi a3, 1
s32i a3, a2, CONTEXT_OFF_A3
s32i a0, a2, CONTEXT_OFF_PC /* save pc */
movi a3, 0
ret

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/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_arch_regs.h"
#include "los_arch_macro.h"
.extern HalInterrupt
.extern UserException
.section .iram,"ax"
.literal_position
.type HandleEntry,@function
.align 4
HandleEntry:
mov a0, sp
addi sp, sp, -CONTEXT_SIZE
PUSH_ALL_REG a1
s32i a0, sp, CONTEXT_OFF_A1
rsr a0, EPC1
s32i a0, sp, CONTEXT_OFF_PC
rsr a0, EXCSAVE1
s32i a0, sp, CONTEXT_OFF_A0
wsr a1, EXCSAVE1
l32i a1, a1, CONTEXT_OFF_A1
call0 SpillWindow
rsr a1, EXCSAVE1
rsr a0, EXCCAUSE
s32i a0, sp, CONTEXT_OFF_EXCCAUSE
rsr a0, EXCVADDR
s32i a0, sp, CONTEXT_OFF_EXCVADDR
movi a0, INT_MASK | USER_VECTOR_MODE | WOE_ENABLE
wsr a0, PS
rsr a6, EPC1
mov a7, sp
rsr a8, EXCCAUSE
call4 HalExcHandleEntry
1:
j 1b
.begin literal_prefix .DebugExceptionHandler
.section .DebugExceptionHandler.text, "ax"
.global DebugExceptionHandler
.align 4
.literal_position
DebugExceptionHandler:
call0 UserException
.end literal_prefix
.begin literal_prefix .NMIExceptionHandler
.section .NMIExceptionHandler.text, "ax"
.global NMIExceptionHandler
.align 4
.literal_position
NMIExceptionHandler:
call0 UserException
.end literal_prefix
.begin literal_prefix .DoubleExceptionHandler
.section .DoubleExceptionHandler.text, "ax"
.global DoubleExceptionHandler
.align 4
.literal_position
DoubleExceptionHandler:
movi a0, INT_MASK | USER_VECTOR_MODE | WOE_ENABLE
wsr a0, PS
rsr a2, EXCCAUSE
call0 UserException
.end literal_prefix
.begin literal_prefix .KernelExceptionHandler
.section .KernelExceptionHandler.text, "ax"
.global KernelExceptionHandler
.align 4
.literal_position
KernelExceptionHandler:
wsr a0, EXCSAVE1
call0 KernelException
.end literal_prefix
.section .iram,"ax"
.align 4
KernelException:
movi a0,5
wsr a0,EXCCAUSE
call0 UserException
rfe
.begin literal_prefix .UserExceptionHandler
.section .UserExceptionHandler.text, "ax"
.global UserExceptionHandler
.type UserExceptionHandler,@function
.align 4
.literal_position
UserExceptionHandler:
wsr a0, EXCSAVE1
call0 UserException
.end literal_prefix
.section .iram,"ax"
.type UserException,@function
.align 4
UserException:
rsr a0, EXCCAUSE
beqi a0, 4, InterruptEntry1
call0 HandleEntry
1:
j 1b
.section .iram,"ax"
.type InterruptEntry1,@function
.align 4
InterruptEntry1:
mov a0, sp
addi sp, sp, -CONTEXT_SIZE
PUSH_ALL_REG a1
s32i a0, sp, CONTEXT_OFF_A1
rsr a0, EPC1
s32i a0, sp, CONTEXT_OFF_PC
rsr a0, EXCSAVE1
s32i a0, sp, CONTEXT_OFF_A0
wsr a1, EXCSAVE1
l32i a1, a1, CONTEXT_OFF_A1
call0 SpillWindow
rsr a1, EXCSAVE1
movi a0, LEVEL1_INT_MASK | USER_VECTOR_MODE | WOE_ENABLE
wsr a0, PS
rsync
call4 HalInterrupt
mov a2, a1
POP_ALL_REG a2
rfe
.begin literal_prefix .InterruptEntry2
.section .InterruptEntry2.text, "ax"
.global InterruptEntry2
.type InterruptEntry2,@function
.align 4
.literal_position
InterruptEntry2:
wsr a0, EXCSAVE2
movi a4, LEVEL2
call0 HandleEntry
.end literal_prefix
.begin literal_prefix .InterruptEntry3
.section .InterruptEntry3.text, "ax"
.global InterruptEntry3
.type InterruptEntry3,@function
.align 4
.literal_position
InterruptEntry3:
wsr a0, EXCSAVE3
movi a4, LEVEL3
call0 HandleEntry
.end literal_prefix
.begin literal_prefix .InterruptEntry4
.section .InterruptEntry4.text, "ax"
.global InterruptEntry4
.type InterruptEntry4,@function
.align 4
.literal_position
InterruptEntry4:
wsr a0, EXCSAVE4
movi a4, LEVEL4
call0 HandleEntry
.end literal_prefix
.begin literal_prefix .InterruptEntry5
.section .InterruptEntry5.text, "ax"
.global InterruptEntry5
.type InterruptEntry5,@function
.align 4
.literal_position
InterruptEntry5:
wsr a0, EXCSAVE5
movi a4, LEVEL5
call0 HandleEntry
.end literal_prefix
.section .WindowVectors.text, "ax"
.org 0x0
.global OverFlowGroup1
OverFlowGroup1:
addi a5, a5, -16
s32i a3, a5, 12
s32i a2, a5, 8
s32i a1, a5, 4
s32i a0, a5, 0
addi a5, a5, 16
rfwo
.org 0x40
.global UnderFlowGroup1
UnderFlowGroup1:
addi a5, a5, -16
l32i a3, a5, 12
l32i a2, a5, 8
l32i a1, a5, 4
l32i a0, a5, 0
addi a5, a5, 16
rfwu
.org 0x80
.global OverFlowGroup2
OverFlowGroup2:
addi a9, a9, -16
s32i a3, a9, 12
s32i a2, a9, 8
s32i a1, a9, 4
s32i a0, a9, 0
addi a9, a9, 16
addi a1, a1, -12
l32i a0, a1, 0
addi a1, a1, 12
addi a0, a0, -32
s32i a7, a0, 12
s32i a6, a0, 8
s32i a5, a0, 4
s32i a4, a0, 0
rfwo
.org 0xC0
.global UnderFlowGroup2
UnderFlowGroup2:
addi a9, a9, -16
l32i a3, a9, 12
l32i a2, a9, 8
l32i a1, a9, 4
l32i a0, a9, 0
addi a9, a9, 16
addi a1, a1, -12
l32i a4, a1, 0
addi a1, a1, 12
addi a4, a4, -32
l32i a7, a4, 12
l32i a6, a4, 8
l32i a5, a4, 4
l32i a4, a4, 0
rfwu
.org 0x100
.global OverFlowGroup3
OverFlowGroup3:
addi a13, a13, -16
s32i a3, a13, 12
s32i a2, a13, 8
s32i a1, a13, 4
s32i a0, a13, 0
addi a13, a13, 16
addi a1, a1, -12
l32i a0, a1, 0
addi a1, a1, 12
addi a0, a0, -48
s32i a11, a0, 28
s32i a10, a0, 24
s32i a9, a0, 20
s32i a8, a0, 16
s32i a7, a0, 12
s32i a6, a0, 8
s32i a5, a0, 4
s32i a4, a0, 0
rfwo
.org 0x140
.global UnderFlowGroup3
UnderFlowGroup3:
addi a13, a13, -16
l32i a3, a13, 12
l32i a2, a13, 8
l32i a1, a13, 4
l32i a0, a13, 0
addi a13, a13, 16
addi a1, a1, -12
l32i a4, a1, 0
addi a1, a1, 12
addi a4, a4, -48
l32i a11, a0, 28
l32i a10, a0, 24
l32i a9, a0, 20
l32i a8, a0, 16
l32i a7, a4, 12
l32i a6, a4, 8
l32i a5, a4, 4
l32i a4, a4, 0
rfwu

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@ -0,0 +1,554 @@
/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_interrupt.h"
#include <stdarg.h>
#include "securec.h"
#include "los_context.h"
#include "los_arch_interrupt.h"
#include "los_debug.h"
#include "los_hook.h"
#include "los_task.h"
#include "los_sched.h"
#include "los_memory.h"
#include "los_membox.h"
#include "los_arch_regs.h"
UINT32 g_intCount = FALSE;
/* *
* @ingroup los_hwi
* Hardware interrupt form mapping handling function array.
*/
STATIC HWI_PROC_FUNC __attribute__((aligned(0x100))) g_hwiForm[OS_VECTOR_CNT] = {0};
#if (OS_HWI_WITH_ARG == 1)
typedef struct {
HWI_PROC_FUNC pfnHandler;
VOID *pParm;
} HWI_HANDLER_FUNC;
/* *
* @ingroup los_hwi
* hardware interrupt handler form mapping handling function array.
*/
STATIC HWI_HANDLER_FUNC g_hwiHandlerForm[OS_VECTOR_CNT] = {{ (HWI_PROC_FUNC)0, (HWI_ARG_T)0 }};
/* *
* @ingroup los_hwi
* Set interrupt vector table.
*/
VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector, VOID *arg)
{
if ((num + OS_SYS_VECTOR_CNT) < OS_VECTOR_CNT) {
g_hwiForm[num + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalInterrupt;
g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT].pfnHandler = vector;
g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT].pParm = arg;
}
}
#else
/* *
* @ingroup los_hwi
* Hardware interrupt handler form mapping handling function array.
*/
STATIC HWI_PROC_FUNC g_hwiHandlerForm[OS_VECTOR_CNT] = {0};
/* *
* @ingroup los_hwi
* Set interrupt vector table.
*/
VOID OsSetVector(UINT32 num, HWI_PROC_FUNC vector)
{
if ((num + OS_SYS_VECTOR_CNT) < OS_VECTOR_CNT) {
g_hwiForm[num + OS_SYS_VECTOR_CNT] = HalInterrupt;
g_hwiHandlerForm[num + OS_SYS_VECTOR_CNT] = vector;
}
}
#endif
UINT32 HwiNumValid(UINT32 num)
{
return (num >= OS_SYS_VECTOR_CNT) && (num <= OS_VECTOR_CNT);
}
/* *
* @ingroup los_hwi
* Lock all interrupt.
*/
UINT32 HalIntLock(VOID)
{
UINT32 ret;
__asm__ volatile("rsil %0, %1" : "=r"(ret) : "i"(INT_MASK) : "memory");
return ret;
}
/* *
* @ingroup los_hwi
* Restore interrupt status.
*/
VOID HalIntRestore(UINT32 intSave)
{
__asm__ volatile("wsr.ps %0; rsync" : : "r"(intSave) : "memory");
}
/* *
* @ingroup los_hwi
* Unlock interrupt.
*/
UINT32 HalIntUnLock(VOID)
{
UINT32 intSave;
__asm__ volatile("rsil %0, %1" : "=r"(intSave) : "i"(0) : "memory");
return intSave;
}
/* *
* @ingroup los_hwi
* Determine if the interrupt is locked
*/
STATIC INLINE UINT32 HalIntLocked(VOID)
{
UINT32 intSave;
__asm__ volatile("rsr %0, ps " : "=r"(intSave) : : "memory");
return (intSave & SPREG_PS_DI_MASK);
}
/* *
* @ingroup los_hwi
* Trigger the interrupt
*/
UINT32 HalIrqPending(HWI_HANDLE_T hwiNum)
{
if (!HwiNumValid(hwiNum)) {
return OS_ERRNO_HWI_NUM_INVALID;
}
__asm__ __volatile__("wsr %0, intset; rsync" : : "a"(0x1U << hwiNum));
return LOS_OK;
}
/* *
* @ingroup los_hwi
* Unmask the interrupt
*/
UINT32 HalIrqUnmask(HWI_HANDLE_T hwiNum)
{
UINT32 ier;
if (!HwiNumValid(hwiNum)) {
return OS_ERRNO_HWI_NUM_INVALID;
}
__asm__ __volatile__("rsr %0, intenable" : "=a"(ier) : : "memory");
__asm__ __volatile__("wsr %0, intenable; rsync" : : "a"(ier | ((UINT32)0x1U << hwiNum)));
return LOS_OK;
}
/* *
* @ingroup los_hwi
* Mask the interrupt
*/
UINT32 HalIrqMask(HWI_HANDLE_T hwiNum)
{
UINT32 ier;
if (!HwiNumValid(hwiNum)) {
return OS_ERRNO_HWI_NUM_INVALID;
}
__asm__ __volatile__("rsr %0, intenable" : "=a"(ier) : : "memory");
__asm__ __volatile__("wsr %0, intenable; rsync" : : "a"(ier & ~((UINT32)0x1U << hwiNum)));
return LOS_OK;
}
/* ****************************************************************************
Function : HalIntNumGet
Description : Get an interrupt number
Input : None
Output : None
Return : Interrupt Indexes number
**************************************************************************** */
UINT32 HalIntNumGet(VOID)
{
UINT32 ier;
UINT32 intenable;
UINT32 intSave;
__asm__ __volatile__("rsr %0, interrupt" : "=a"(ier) : : "memory");
__asm__ __volatile__("rsr %0, intenable" : "=a"(intenable) : : "memory");
intSave = ier & intenable;
return __builtin_ffs(intSave) - 1;
}
/* *
* @ingroup los_hwi
* Clear the interrupt
*/
UINT32 HalIrqClear(HWI_HANDLE_T vector)
{
if (!HwiNumValid(vector)) {
return OS_ERRNO_HWI_NUM_INVALID;
}
__asm__ __volatile__("wsr %0, intclear; rsync" : : "a"(0x1U << vector));
return LOS_OK;
}
INLINE UINT32 HalIsIntActive(VOID)
{
return (g_intCount == TRUE);
}
/* ****************************************************************************
Function : HalHwiDefaultHandler
Description : default handler of the hardware interrupt
Input : None
Output : None
Return : None
**************************************************************************** */
VOID HalHwiDefaultHandler(VOID)
{
UINT32 irqNum = HalIntNumGet();
PRINT_ERR("%s irqnum:%d\n", __FUNCTION__, irqNum);
while (1) {}
}
WEAK VOID HalPreInterruptHandler(UINT32 arg)
{
return;
}
WEAK VOID HalAftInterruptHandler(UINT32 arg)
{
return;
}
/* ****************************************************************************
Function : HalInterrupt
Description : Hardware interrupt entry function
Input : None
Output : None
Return : None
**************************************************************************** */
VOID HalInterrupt(VOID)
{
UINT32 hwiIndex;
UINT32 intSave;
intSave = LOS_IntLock();
g_intCount = TRUE;
LOS_IntRestore(intSave);
hwiIndex = HalIntNumGet();
HalIrqClear(hwiIndex);
OsHookCall(LOS_HOOK_TYPE_ISR_ENTER, hwiIndex);
HalPreInterruptHandler(hwiIndex);
#if (OS_HWI_WITH_ARG == 1)
if (g_hwiHandlerForm[hwiIndex].pfnHandler != 0) {
g_hwiHandlerForm[hwiIndex].pfnHandler((VOID *)g_hwiHandlerForm[hwiIndex].pParm);
}
#else
if (g_hwiHandlerForm[hwiIndex] != 0) {
g_hwiHandlerForm[hwiIndex]();
}
#endif
HalAftInterruptHandler(hwiIndex);
OsHookCall(LOS_HOOK_TYPE_ISR_EXIT, hwiIndex);
intSave = LOS_IntLock();
g_intCount = FALSE;
LOS_IntRestore(intSave);
HalIrqEndCheckNeedSched();
}
/* ****************************************************************************
Function : HalHwiCreate
Description : create hardware interrupt
Input : hwiNum --- hwi num to create
hwiPrio --- priority of the hwi
mode --- unused
handler --- hwi handler
arg --- param of the hwi handler
Output : None
Return : LOS_OK on success or error code on failure
**************************************************************************** */
UINT32 HalHwiCreate(HWI_HANDLE_T hwiNum,
HWI_PRIOR_T hwiPrio,
HWI_MODE_T mode,
HWI_PROC_FUNC handler,
HWI_ARG_T arg)
{
UINT32 intSave;
if (handler == NULL) {
return OS_ERRNO_HWI_PROC_FUNC_NULL;
}
if (hwiNum >= OS_HWI_MAX_NUM) {
return OS_ERRNO_HWI_NUM_INVALID;
}
if (g_hwiForm[hwiNum + OS_SYS_VECTOR_CNT] != (HWI_PROC_FUNC)HalHwiDefaultHandler) {
return OS_ERRNO_HWI_ALREADY_CREATED;
}
if (hwiPrio > OS_HWI_PRIO_LOWEST) {
return OS_ERRNO_HWI_PRIO_INVALID;
}
intSave = LOS_IntLock();
#if (OS_HWI_WITH_ARG == 1)
OsSetVector(hwiNum, handler, arg);
#else
OsSetVector(hwiNum, handler);
#endif
HalIrqUnmask(hwiNum);
LOS_IntRestore(intSave);
return LOS_OK;
}
/* ****************************************************************************
Function : HalHwiDelete
Description : Delete hardware interrupt
Input : hwiNum --- hwi num to delete
Output : None
Return : LOS_OK on success or error code on failure
**************************************************************************** */
LITE_OS_SEC_TEXT_INIT UINT32 HalHwiDelete(HWI_HANDLE_T hwiNum)
{
UINT32 intSave;
if (hwiNum >= OS_HWI_MAX_NUM) {
return OS_ERRNO_HWI_NUM_INVALID;
}
HalIrqMask(hwiNum);
intSave = LOS_IntLock();
g_hwiForm[hwiNum + OS_SYS_VECTOR_CNT] = (HWI_PROC_FUNC)HalHwiDefaultHandler;
LOS_IntRestore(intSave);
return LOS_OK;
}
ExcInfo g_excInfo = {0};
#if (LOSCFG_KERNEL_PRINTF != 0)
STATIC VOID OsExcTypeInfo(const ExcInfo *excInfo)
{
CHAR *phaseStr[] = {"exc in init", "exc in task", "exc in hwi"};
PRINTK("Type = %d\n", excInfo->type);
PRINTK("ThrdPid = %d\n", excInfo->thrdPid);
PRINTK("Phase = %s\n", phaseStr[excInfo->phase]);
PRINTK("FaultAddr = 0x%x\n", excInfo->faultAddr);
}
STATIC VOID OsExcCurTaskInfo(const ExcInfo *excInfo)
{
PRINTK("Current task info:\n");
if (excInfo->phase == OS_EXC_IN_TASK) {
LosTaskCB *taskCB = OS_TCB_FROM_TID(LOS_CurTaskIDGet());
PRINTK("Task name = %s\n", taskCB->taskName);
PRINTK("Task ID = %d\n", taskCB->taskID);
PRINTK("Task SP = 0x%x\n", (UINTPTR)taskCB->stackPointer);
PRINTK("Task ST = 0x%x\n", taskCB->topOfStack);
PRINTK("Task SS = 0x%x\n", taskCB->stackSize);
} else if (excInfo->phase == OS_EXC_IN_HWI) {
PRINTK("Exception occur in interrupt phase!\n");
} else {
PRINTK("Exception occur in system init phase!\n");
}
}
STATIC VOID OsExcRegInfo(const ExcInfo *excInfo)
{
INT32 index;
PRINTK("Exception reg dump:\n");
PRINTK("sar = 0x%x\n", excInfo->context->sar);
PRINTK("excCause = 0x%x\n", excInfo->context->excCause);
PRINTK("excVaddr = 0x%x\n", excInfo->context->excVaddr);
PRINTK("lbeg = 0x%x\n", excInfo->context->lbeg);
PRINTK("lend = 0x%x\n", excInfo->context->lend);
PRINTK("lcount = 0x%x\n", excInfo->context->lcount);
PRINTK("pc = 0x%x\n", excInfo->context->pc);
PRINTK("ps = 0x%x\n", excInfo->context->ps);
for (index = 0; index < XTENSA_LOGREG_NUM; index++) {
PRINTK("regA%d = 0x%x\n", index, excInfo->context->regA[index]);
}
}
STATIC VOID OsExcBackTraceInfo(const ExcInfo *excInfo)
{
UINTPTR LR[LOSCFG_BACKTRACE_DEPTH] = {0};
UINT32 index;
OsBackTraceHookCall(LR, LOSCFG_BACKTRACE_DEPTH, 0, excInfo->context->regA[1]);
PRINTK("----- backtrace start -----\n");
for (index = 0; index < LOSCFG_BACKTRACE_DEPTH; index++) {
if (LR[index] == 0) {
break;
}
PRINTK("backtrace %d -- lr = 0x%x\n", index, LR[index]);
}
PRINTK("----- backtrace end -----\n");
}
STATIC VOID OsExcMemPoolCheckInfo(VOID)
{
PRINTK("\r\nmemory pools check:\n");
#if (LOSCFG_PLATFORM_EXC == 1)
MemInfoCB memExcInfo[OS_SYS_MEM_NUM];
UINT32 errCnt;
UINT32 i;
(VOID)memset_s(memExcInfo, sizeof(memExcInfo), 0, sizeof(memExcInfo));
errCnt = OsMemExcInfoGet(OS_SYS_MEM_NUM, memExcInfo);
if (errCnt < OS_SYS_MEM_NUM) {
errCnt += OsMemboxExcInfoGet(OS_SYS_MEM_NUM - errCnt, memExcInfo + errCnt);
}
if (errCnt == 0) {
PRINTK("all memory pool check passed!\n");
return;
}
for (i = 0; i < errCnt; i++) {
PRINTK("pool num = %d\n", i);
PRINTK("pool type = %d\n", memExcInfo[i].type);
PRINTK("pool addr = 0x%x\n", memExcInfo[i].startAddr);
PRINTK("pool size = 0x%x\n", memExcInfo[i].size);
PRINTK("pool free = 0x%x\n", memExcInfo[i].free);
PRINTK("pool blkNum = %d\n", memExcInfo[i].blockSize);
PRINTK("pool error node addr = 0x%x\n", memExcInfo[i].errorAddr);
PRINTK("pool error node len = 0x%x\n", memExcInfo[i].errorLen);
PRINTK("pool error node owner = %d\n", memExcInfo[i].errorOwner);
}
#endif
UINT32 ret = LOS_MemIntegrityCheck(LOSCFG_SYS_HEAP_ADDR);
if (ret == LOS_OK) {
PRINTK("system heap memcheck over, all passed!\n");
}
PRINTK("memory pool check end!\n");
}
#endif
STATIC VOID OsExcInfoDisplay(const ExcInfo *excInfo)
{
#if (LOSCFG_KERNEL_PRINTF != 0)
PRINTK("*************Exception Information**************\n");
OsExcTypeInfo(excInfo);
OsExcCurTaskInfo(excInfo);
OsExcRegInfo(excInfo);
OsExcBackTraceInfo(excInfo);
OsGetAllTskInfo();
OsExcMemPoolCheckInfo();
#endif
}
VOID HalExcHandleEntry(UINTPTR faultAddr, EXC_CONTEXT_S *excBufAddr, UINT32 type)
{
g_excInfo.nestCnt++;
g_excInfo.faultAddr = faultAddr;
g_excInfo.type = type;
LosTaskCB *taskCB = g_losTask.runTask;
if ((taskCB == NULL) || (taskCB == OS_TCB_FROM_TID(g_taskMaxNum))) {
g_excInfo.phase = OS_EXC_IN_INIT;
g_excInfo.thrdPid = OS_NULL_INT;
} else if (HalIntNumGet() != OS_NULL_INT) {
g_excInfo.phase = OS_EXC_IN_HWI;
g_excInfo.thrdPid = HalIntNumGet();
} else {
g_excInfo.phase = OS_EXC_IN_TASK;
g_excInfo.thrdPid = g_losTask.runTask->taskID;
}
g_excInfo.context = excBufAddr;
OsDoExcHook(EXC_INTERRUPT);
OsExcInfoDisplay(&g_excInfo);
HalSysExit();
}
/* Stack protector */
WEAK UINT32 __stack_chk_guard = 0xd00a0dff;
WEAK VOID __stack_chk_fail(VOID)
{
/* __builtin_return_address is a builtin function, building in gcc */
LOS_Panic("stack-protector: Kernel stack is corrupted in: 0x%x\n",
__builtin_return_address(0));
}
/* ****************************************************************************
Function : HalHwiInit
Description : initialization of the hardware interrupt
Input : None
Output : None
Return : None
**************************************************************************** */
VOID HalHwiInit(VOID)
{
for (UINT32 i = 0; i < OS_HWI_MAX_NUM; i++) {
g_hwiForm[i + OS_SYS_VECTOR_CNT] = HalHwiDefaultHandler;
HalIrqMask(i);
}
asm volatile ("wsr %0, vecbase" : : "r"(INIT_VECTOR_START));
return;
}

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@ -0,0 +1,161 @@
/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_timer.h"
#include "los_config.h"
#include "los_tick.h"
#include "los_arch_interrupt.h"
#include "los_arch_timer.h"
#include "los_context.h"
#include "los_sched.h"
#include "los_debug.h"
#define OVERFLOW_MAX 0xFFFFFFFF
UINT32 GetCcount(VOID)
{
UINT32 intSave;
__asm__ __volatile__("rsr %0, ccount" : "=a"(intSave) :);
return intSave;
}
VOID ResetCcount(VOID)
{
__asm__ __volatile__("wsr %0, ccount; rsync" : :"a"(0));
}
UINT32 GetCcompare(VOID)
{
UINT32 intSave;
__asm__ __volatile__("rsr %0, ccompare0" : "=a"(intSave) :);
return intSave;
}
VOID SetCcompare(UINT32 newCompareVal)
{
__asm__ __volatile__("wsr %0, ccompare0; rsync" : : "a"(newCompareVal));
}
VOID HalUpdateTimerCmpVal(UINT32 newCompareVal)
{
SetCcompare(newCompareVal);
ResetCcount();
}
/* ****************************************************************************
Function : HalTickStart
Description : Configure Tick Interrupt Start
Input : none
output : none
return : LOS_OK - Success , or LOS_ERRNO_TICK_CFG_INVALID - failed
**************************************************************************** */
WEAK UINT32 HalTickStart(OS_TICK_HANDLER handler)
{
UINT32 ret;
UINT32 ccount;
UINT32 nextTickCycles;
if ((OS_SYS_CLOCK == 0) ||
(LOSCFG_BASE_CORE_TICK_PER_SECOND == 0) ||
(LOSCFG_BASE_CORE_TICK_PER_SECOND > OS_SYS_CLOCK)) {
return LOS_ERRNO_TICK_CFG_INVALID;
}
#if (LOSCFG_USE_SYSTEM_DEFINED_INTERRUPT == 1)
#if (OS_HWI_WITH_ARG == 1)
OsSetVector(OS_TICK_INT_NUM, (HWI_PROC_FUNC)handler, NULL);
#else
OsSetVector(OS_TICK_INT_NUM, (HWI_PROC_FUNC)handler);
#endif
#endif
g_sysClock = OS_SYS_CLOCK;
g_cyclesPerTick = OS_SYS_CLOCK / LOSCFG_BASE_CORE_TICK_PER_SECOND;
SetCcompare(g_cyclesPerTick);
ResetCcount();
__asm__ __volatile__("wsr %0, ccompare1; rsync" : : "a"(0));
__asm__ __volatile__("wsr %0, ccompare2; rsync" : : "a"(0));
HalIrqUnmask(OS_TICK_INT_NUM);
return LOS_OK;
}
WEAK VOID HalSysTickReload(UINT64 nextResponseTime)
{
HalUpdateTimerCmpVal(nextResponseTime);
}
WEAK UINT64 HalGetTickCycle(UINT32 *period)
{
UINT32 ccount;
UINT32 intSave = LOS_IntLock();
ccount = GetCcount();
*period = g_cyclesPerTick;
LOS_IntRestore(intSave);
return ccount;
}
WEAK VOID HalTickLock(VOID)
{
HalIrqMask(OS_TICK_INT_NUM);
}
WEAK VOID HalTickUnlock(VOID)
{
HalIrqUnmask(OS_TICK_INT_NUM);
}
VOID Wfi(VOID)
{
__asm__ volatile("waiti 0" : : : "memory");
}
VOID Dsb(VOID)
{
__asm__ volatile("dsync" : : : "memory");
}
UINT32 HalEnterSleep(VOID)
{
Dsb();
Wfi();
return LOS_OK;
}

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@ -0,0 +1,187 @@
/*
* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
* to endorse or promote products derived from this software without specific prior written
* permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "los_arch_regs.h"
.text
.align 4
.literal_position
.global SpillWindow
SpillWindow:
rsr a2, WINDOWBASE /* read windowbase reg */
movi a3, WINDOWSTARTBITS
sub a3, a3, a2 /* get the num of high bits */
addi a3, a3, -1
ssl a3 /* set left shift bit */
rsr a3, WINDOWSTART /* read windowstart reg */
sll a3, a3
movi a2, WINDOWSTARTMASK
and a3, a3, a2
beqi a3, 0, .Linvalidwindowstart /* if a3 == 0 goto Linvalidwindowstart */
rsr a2, WINDOWBASE /* read windowbase reg */
addi a2, a2, 1
ssr a2
rsr a2, WINDOWSTART
srl a2, a2
or a2, a2, a3
movi a3, 0
.bitclear0:
bbsi.l a2, 0, .bitcleardone
srli a2, a2, 1
addi a3, a3, 1
j .bitclear0
.bitcleardone:
srli a2, a2, 1 /* drop the first bit */
wsr a2, WINDOWSTART
rsr a2, WINDOWBASE
add a2, a2, a3
wsr a2, WINDOWBASE
rsync
rsr a2, WINDOWSTART
.Lspillstart:
beqi a2, 0, .Ldone
bbsi.l a2, 0, .Lspill4
bbsi.l a2, 1, .Lspill8
bbsi.l a2, 2, .Lspill12
j .Linvalidwindow
.Lspill4:
s32e a4, a9, -16
s32e a5, a9, -12
s32e a6, a9, -8
s32e a7, a9, -4
srli a6, a2, 1
rotw 1
j .Lspillstart
.Lspill8:
s32e a4, a13, -16
s32e a5, a13, -12
s32e a6, a13, -8
s32e a7, a13, -4
l32i a3, a5, -12 /* call[i - 1]'s sp */
addi a3, a3, -16 /* base area */
s32e a8, a3, -16
s32e a9, a3, -12
s32e a10, a3, -8
s32e a11, a3, -4
srli a10, a2, 2
rotw 2
j .Lspillstart
.Lspill12:
rotw 1
s32e a0, a13, -16
s32e a1, a13, -12
s32e a2, a13, -8
s32e a3, a13, -4
l32i a3, a1, -12 /* call[i - 1]'s sp */
addi a3, a3, -16 /* base area */
s32e a4, a3, -32
s32e a5, a3, -28
s32e a6, a3, -24
s32e a7, a3, -20
s32e a8, a3, -16
s32e a9, a3, -12
s32e a10, a3, -8
s32e a11, a3, -4
rotw -1
srli a14, a2, 3
rotw 3
j .Lspillstart
.Ldone:
rotw 1
rsr a2, WINDOWBASE
ssl a2
movi a2, 1
sll a2, a2
wsr a2, WINDOWSTART
rsync
movi a2, 0
ret
.Linvalidwindowstart:
movi a2, 1
ret
.Linvalidwindow:
movi a3, 1
slli a2, a2, 1
or a2, a2, a3
rsr a3, WINDOWBASE
1:
bbsi.l a2, WINDOWSTARTBITS-1, 2f
slli a2, a2, 1
addi a3, a3, -1
j 1b
2:
extui a3, a3, 0, WINDOWSTARTBITS /* the original bit */
addi a3, a3, 1
ssl a3
sll a3, a2
slli a2, a2, 32 - WINDOWSTARTBITS
srl a2, a2
or a2, a2, a3
extui a2, a2, 0, WINDOWSTARTBITS
wsr a2, WINDOWSTART
movi a3, 31
rsr a2, SAR
sub a2, a3, a2
wsr a2, WINDOWBASE
rsync
movi a2, 2
ret

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@ -739,6 +739,8 @@ extern UINT8 *m_aucSysMem0;
* 1: Call stack analysis for cortex-m series by scanning the stack.
* 2: Call stack analysis for risc-v by using frame pointer.
* 3: Call stack analysis for risc-v by scanning the stack.
* 4: Call stack analysis for xtensa by scanning the stack.
* 5: Call stack analysis for c-sky by scanning the stack.
* others: Not currently supported.
*/
#ifndef LOSCFG_BACKTRACE_TYPE