/* ----------------------------------------------------------------------------
 * Copyright (c) Huawei Technologies Co., Ltd. 2020-2020. All rights reserved.
 * Description: Stack Info Implementation
 * Author: Huawei LiteOS Team
 * Create: 2020年10月22日
 * 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 "securec.h"
#include "los_config.h"
#include "los_stackinfo_pri.h"
#include "los_printf_pri.h"
#ifdef LOSCFG_SHELL
#include "shcmd.h"
#include "shell.h"
#endif

VOID OsExcStackCheck(VOID)
{
 UINT32 index;
 UINT32 cpuid;
 UINTPTR *stackTop = NULL;
 const StackInfo *stackInfo = NULL;
 UINT32 stackNum;

 OsGetStackInfo(&stackInfo, &stackNum);
 if ((stackInfo == NULL) || (stackNum == 0)) {
 return;
 }

 for (index = 0; index < stackNum; index++) {
 for (cpuid = 0; cpuid < LOSCFG_KERNEL_CORE_NUM; cpuid++) {
 stackTop = (UINTPTR *)((UINTPTR)stackInfo[index].stackTop + cpuid * 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, stackInfo[index].stackName, *stackTop);
 }
 }
 }
}

VOID OsExcStackInfo(VOID)
{
 UINT32 index;
 UINT32 cpuid;
 UINT32 size;
 UINTPTR *stackTop = NULL;
 UINTPTR *stack = NULL;
 const StackInfo *stackInfo = NULL;
 UINT32 stackNum;

 OsGetStackInfo(&stackInfo, &stackNum);
 if ((stackInfo == NULL) || (stackNum == 0)) {
 return;
 }

 PrintExcInfo("\n stack name cpu id stack addr total size used size\n"
 " ---------- ------ --------- -------- --------\n");

 for (index = 0; index < stackNum; index++) {
 for (cpuid = 0; cpuid < LOSCFG_KERNEL_CORE_NUM; cpuid++) {
 stackTop = (UINTPTR *)((UINTPTR)stackInfo[index].stackTop + cpuid * stackInfo[index].stackSize);
 stack = (UINTPTR *)((UINTPTR)stackTop + stackInfo[index].stackSize);
 (VOID)OsStackWaterLineGet(stack, stackTop, &size);

 PrintExcInfo("%11s %-5d %-10p 0x%-8x 0x%-4x\n", stackInfo[index].stackName,
 LOSCFG_KERNEL_CORE_NUM - 1 - cpuid, stackTop, stackInfo[index].stackSize, size);
 }
 }

 OsExcStackCheck();
}

#ifdef LOSCFG_SHELL
SHELLCMD_ENTRY(stack_shellcmd, CMD_TYPE_EX, "stack", 1, (CmdCallBackFunc)OsExcStackInfo);
#endif