127 lines
4.6 KiB
C
127 lines
4.6 KiB
C
/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "los_stackinfo_pri.h"
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#include "los_printf_pri.h"
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#include "los_config.h"
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#include "securec.h"
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#ifdef LOSCFG_SHELL
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#include "shcmd.h"
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#include "shell.h"
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#endif
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const StackInfo *g_stackInfo = NULL;
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UINT32 g_stackNum;
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UINT32 OsStackWaterLineGet(const UINTPTR *stackBottom, const UINTPTR *stackTop, UINT32 *peakUsed)
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{
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UINT32 size;
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const UINTPTR *tmp = NULL;
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if (*stackTop == OS_STACK_MAGIC_WORD) {
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tmp = stackTop + 1;
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while ((tmp < stackBottom) && (*tmp == OS_STACK_INIT)) {
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tmp++;
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}
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size = (UINT32)((UINTPTR)stackBottom - (UINTPTR)tmp);
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*peakUsed = (size == 0) ? size : (size + sizeof(CHAR *));
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return LOS_OK;
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} else {
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*peakUsed = OS_INVALID_WATERLINE;
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return LOS_NOK;
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}
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}
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VOID OsExcStackCheck(VOID)
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{
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UINT32 index;
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UINT32 cpuid;
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UINTPTR *stackTop = NULL;
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if (g_stackInfo == NULL) {
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return;
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}
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for (index = 0; index < g_stackNum; index++) {
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for (cpuid = 0; cpuid < LOSCFG_KERNEL_CORE_NUM; cpuid++) {
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stackTop = (UINTPTR *)((UINTPTR)g_stackInfo[index].stackTop + cpuid * g_stackInfo[index].stackSize);
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if (*stackTop != OS_STACK_MAGIC_WORD) {
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PRINT_ERR("cpu:%u %s overflow , magic word changed to 0x%x\n",
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LOSCFG_KERNEL_CORE_NUM - 1 - cpuid, g_stackInfo[index].stackName, *stackTop);
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}
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}
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}
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}
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VOID OsExcStackInfo(VOID)
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{
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UINT32 index;
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UINT32 cpuid;
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UINT32 size;
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UINTPTR *stackTop = NULL;
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UINTPTR *stack = NULL;
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if (g_stackInfo == NULL) {
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return;
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}
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PrintExcInfo("\n stack name cpu id stack addr total size used size\n"
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" ---------- ------ --------- -------- --------\n");
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for (index = 0; index < g_stackNum; index++) {
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for (cpuid = 0; cpuid < LOSCFG_KERNEL_CORE_NUM; cpuid++) {
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stackTop = (UINTPTR *)((UINTPTR)g_stackInfo[index].stackTop + cpuid * g_stackInfo[index].stackSize);
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stack = (UINTPTR *)((UINTPTR)stackTop + g_stackInfo[index].stackSize);
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(VOID)OsStackWaterLineGet(stack, stackTop, &size);
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PrintExcInfo("%11s %-5d %-10p 0x%-8x 0x%-4x\n", g_stackInfo[index].stackName,
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LOSCFG_KERNEL_CORE_NUM - 1 - cpuid, stackTop, g_stackInfo[index].stackSize, size);
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}
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}
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OsExcStackCheck();
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}
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VOID OsExcStackInfoReg(const StackInfo *stackInfo, UINT32 stackNum)
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{
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g_stackInfo = stackInfo;
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g_stackNum = stackNum;
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}
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VOID OsStackInit(VOID *stacktop, UINT32 stacksize)
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{
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/* initialize the task stack, write magic num to stack top */
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(VOID)memset_s(stacktop, stacksize, (INT32)OS_STACK_INIT, stacksize);
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*((UINTPTR *)stacktop) = OS_STACK_MAGIC_WORD;
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}
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#ifdef LOSCFG_SHELL_CMD_DEBUG
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SHELLCMD_ENTRY(stack_shellcmd, CMD_TYPE_EX, "stack", 1, (CmdCallBackFunc)OsExcStackInfo);
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#endif
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