1 /* 2 * Copyright (c) 2009-2022 Huawei Technologies Co., Ltd. All rights reserved. 3 * 4 * UniProton is licensed under Mulan PSL v2. 5 * You can use this software according to the terms and conditions of the Mulan PSL v2. 6 * You may obtain a copy of Mulan PSL v2 at: 7 * http://license.coscl.org.cn/MulanPSL2 8 * THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, 9 * EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, 10 * MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE. 11 * See the Mulan PSL v2 for more details. 12 * Create: 2009-12-22 13 * Description: 提供公共的异常处理机制(如PRT_SysReboot) 14 */ 15 #include "prt_kexc_external.h" 16 #include "prt_exc_external.h" 17 #include "prt_sys_external.h" 18 #include "prt_cpu_external.h" 19 #include "prt_err_external.h" 20 21 OS_SEC_L4_BSS struct ExcModInfo g_excModInfo; 22 23 // 若作为KOS异常使用,因为UOS异常可恢复异常直接清除该变量值，而不可恢复异常直接Kill该进程了之前也会清除该变量。 24 OS_SEC_DATA U32 g_curNestCount = 0; 25 OS_SEC_BSS struct TagExcInfoInternal g_excInfoInternal; 26 27 /* 28 * 描述：异常处理用户钩子函数注册 29 */ PRT_ExcRegHook(ExcProcFunc hook)30OS_SEC_L4_TEXT U32 PRT_ExcRegHook(ExcProcFunc hook) 31 { 32 uintptr_t intSave; 33 34 if (hook == NULL) { 35 return OS_ERRNO_EXC_REG_HOOK_PTR_NULL; 36 } 37 38 intSave = OsIntLock(); 39 40 g_excModInfo.excepHook = hook; 41 42 OsIntRestore(intSave); 43 44 return OS_OK; 45 } 46 PRT_SysReboot(void)47OS_SEC_L4_TEXT void PRT_SysReboot(void) 48 { 49 while (1) { 50 /* Wait for HWWDG to reboot board. */ 51 } 52 } 53