132 lines
3.7 KiB
C
Executable File
132 lines
3.7 KiB
C
Executable File
/*
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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_config.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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#include "los_swtmr_pri.h"
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#include "watchdog_if.h"
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#ifdef __cplusplus
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#if __cplusplus
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extern "C" {
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#endif
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#endif /* __cplusplus */
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#ifdef LOSCFG_SHELL_CMD_DEBUG
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STATIC BOOL systemExcReset = FALSE;
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#define WATCHDOG_TIMER_INTERVAL 5 // 5 seconds
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#define WATCHDOG_TIMER_INTERVAL_HALF (WATCHDOG_TIMER_INTERVAL / 2)
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STATIC UINT16 g_swtmrID;
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STATIC BOOL g_wdStarted = FALSE;
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STATIC DevHandle g_wdHandle;
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STATIC void StartWatchdog(void)
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{
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if (g_wdStarted) {
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return;
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}
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g_wdHandle = WatchdogOpen(0);
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WatchdogSetTimeout(g_wdHandle, WATCHDOG_TIMER_INTERVAL);
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if (LOS_SwtmrCreate(LOSCFG_BASE_CORE_TICK_PER_SECOND * WATCHDOG_TIMER_INTERVAL_HALF, LOS_SWTMR_MODE_PERIOD,
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(SWTMR_PROC_FUNC)WatchdogFeed, &g_swtmrID, (UINTPTR)g_wdHandle) != LOS_OK) {
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WatchdogClose(g_wdHandle);
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g_wdHandle = NULL;
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return;
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}
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WatchdogStart(g_wdHandle);
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LOS_SwtmrStart(g_swtmrID);
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g_wdStarted = TRUE;
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}
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STATIC void StopWatchdog(void)
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{
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if (!g_wdStarted) {
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return;
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}
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LOS_SwtmrStop(g_swtmrID);
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LOS_SwtmrDelete(g_swtmrID);
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g_swtmrID = 0;
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WatchdogStop(g_wdHandle);
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WatchdogClose(g_wdHandle);
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g_wdHandle = NULL;
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g_wdStarted = FALSE;
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}
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LITE_OS_SEC_TEXT_MINOR BOOL OsSystemExcIsReset(VOID)
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{
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return systemExcReset;
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}
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LITE_OS_SEC_TEXT_MINOR UINT32 OsShellCmdSystemExcReset(INT32 argc, const CHAR **argv)
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{
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if (argc != 1) {
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goto EXC_RESET_HELP;
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}
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if (strcmp(argv[0], "on") == 0) {
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systemExcReset = TRUE;
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StartWatchdog();
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PRINTK("panicreset on!\n");
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return LOS_OK;
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}
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if (strcmp(argv[0], "off") == 0) {
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systemExcReset = FALSE;
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StopWatchdog();
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PRINTK("panicreset off!\n");
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return LOS_OK;
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}
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EXC_RESET_HELP:
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PRINTK("usage: panicreset [on/off]\n");
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return LOS_OK;
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}
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SHELLCMD_ENTRY(panic_reset_shellcmd, CMD_TYPE_EX, "panicreset", 1, (CmdCallBackFunc)OsShellCmdSystemExcReset);
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#endif
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#ifdef __cplusplus
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#if __cplusplus
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}
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#endif
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#endif /* __cplusplus */
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