1 /* 2 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. 3 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without modification, 6 * are permitted provided that the following conditions are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, this list of 9 * conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, this list 12 * of conditions and the following disclaimer in the documentation and/or other materials 13 * provided with the distribution. 14 * 15 * 3. Neither the name of the copyright holder nor the names of its contributors may be used 16 * to endorse or promote products derived from this software without specific prior written 17 * permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 21 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR 23 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 24 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 25 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 26 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 27 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 29 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _LOS_EXC_PRI_H 33 #define _LOS_EXC_PRI_H 34 35 #include "los_typedef.h" 36 37 #ifdef __cplusplus 38 #if __cplusplus 39 extern "C" { 40 #endif /* __cplusplus */ 41 #endif /* __cplusplus */ 42 43 #define OS_SYSTEM_NORMAL 0 44 #define OS_SYSTEM_EXC_CURR_CPU 1 45 #define OS_SYSTEM_EXC_OTHER_CPU 2 46 47 #define REGION_PATH_MAX 32 48 49 typedef struct { 50 #ifdef LOSCFG_KERNEL_VM 51 UINTPTR ip; 52 UINT32 len; /* f_path length */ 53 CHAR f_path[REGION_PATH_MAX]; 54 #else 55 UINTPTR ip; 56 #endif 57 } IpInfo; 58 59 extern UINT32 OsGetSystemStatus(VOID); 60 extern VOID BackTraceSub(UINTPTR regFP); 61 extern VOID OsExcInit(VOID); 62 extern BOOL OsSystemExcIsReset(VOID); 63 extern UINT32 BackTraceGet(UINTPTR regFP, IpInfo *callChain, UINT32 maxDepth); 64 extern BOOL OsGetUsrIpInfo(UINTPTR ip, IpInfo *info); 65 66 #ifdef __cplusplus 67 #if __cplusplus 68 } 69 #endif /* __cplusplus */ 70 #endif /* __cplusplus */ 71 72 #endif /* _LOS_EXC_PRI_H */ 73