kernel_liteos_a/kernel/base/misc/los_stackinfo.c

127 lines
4.6 KiB
C

/*
* 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_stackinfo_pri.h"
#include "los_printf_pri.h"
#include "los_config.h"
#include "securec.h"
#ifdef LOSCFG_SHELL
#include "shcmd.h"
#include "shell.h"
#endif
const StackInfo *g_stackInfo = NULL;
UINT32 g_stackNum;
UINT32 OsStackWaterLineGet(const UINTPTR *stackBottom, const UINTPTR *stackTop, UINT32 *peakUsed)
{
UINT32 size;
const UINTPTR *tmp = NULL;
if (*stackTop == OS_STACK_MAGIC_WORD) {
tmp = stackTop + 1;
while ((tmp < stackBottom) && (*tmp == OS_STACK_INIT)) {
tmp++;
}
size = (UINT32)((UINTPTR)stackBottom - (UINTPTR)tmp);
*peakUsed = (size == 0) ? size : (size + sizeof(CHAR *));
return LOS_OK;
} else {
*peakUsed = OS_INVALID_WATERLINE;
return LOS_NOK;
}
}
VOID OsExcStackCheck(VOID)
{
UINT32 index;
UINT32 cpuid;
UINTPTR *stackTop = NULL;
if (g_stackInfo == NULL) {
return;
}
for (index = 0; index < g_stackNum; index++) {
for (cpuid = 0; cpuid < LOSCFG_KERNEL_CORE_NUM; cpuid++) {
stackTop = (UINTPTR *)((UINTPTR)g_stackInfo[index].stackTop + cpuid * g_stackInfo[index].stackSize);
if (*stackTop != OS_STACK_MAGIC_WORD) {
PRINT_ERR("cpu:%u %s overflow , magic word changed to 0x%x\n",
LOSCFG_KERNEL_CORE_NUM - 1 - cpuid, g_stackInfo[index].stackName, *stackTop);
}
}
}
}
VOID OsExcStackInfo(VOID)
{
UINT32 index;
UINT32 cpuid;
UINT32 size;
UINTPTR *stackTop = NULL;
UINTPTR *stack = NULL;
if (g_stackInfo == NULL) {
return;
}
PrintExcInfo("\n stack name cpu id stack addr total size used size\n"
" ---------- ------ --------- -------- --------\n");
for (index = 0; index < g_stackNum; index++) {
for (cpuid = 0; cpuid < LOSCFG_KERNEL_CORE_NUM; cpuid++) {
stackTop = (UINTPTR *)((UINTPTR)g_stackInfo[index].stackTop + cpuid * g_stackInfo[index].stackSize);
stack = (UINTPTR *)((UINTPTR)stackTop + g_stackInfo[index].stackSize);
(VOID)OsStackWaterLineGet(stack, stackTop, &size);
PrintExcInfo("%11s %-5d %-10p 0x%-8x 0x%-4x\n", g_stackInfo[index].stackName,
LOSCFG_KERNEL_CORE_NUM - 1 - cpuid, stackTop, g_stackInfo[index].stackSize, size);
}
}
OsExcStackCheck();
}
VOID OsExcStackInfoReg(const StackInfo *stackInfo, UINT32 stackNum)
{
g_stackInfo = stackInfo;
g_stackNum = stackNum;
}
VOID OsStackInit(VOID *stacktop, UINT32 stacksize)
{
/* initialize the task stack, write magic num to stack top */
(VOID)memset_s(stacktop, stacksize, (INT32)OS_STACK_INIT, stacksize);
*((UINTPTR *)stacktop) = OS_STACK_MAGIC_WORD;
}
#ifdef LOSCFG_SHELL_CMD_DEBUG
SHELLCMD_ENTRY(stack_shellcmd, CMD_TYPE_EX, "stack", 1, (CmdCallBackFunc)OsExcStackInfo);
#endif