/* * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved. * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved. * * 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. */ /** * @defgroup los_errno Error code * @ingroup kernel */ #ifndef _LOS_ERRNO_H #define _LOS_ERRNO_H #include "los_compiler.h" #ifdef __cplusplus #if __cplusplus extern "C" { #endif /* __cplusplus */ #endif /* __cplusplus */ /** * @ingroup los_errno * OS error code flag. */ #define LOS_ERRNO_OS_ID ((UINT32)0x00 << 16) /** * @ingroup los_errno * Define the error level as informative. */ #define LOS_ERRTYPE_NORMAL ((UINT32)0x00 << 24) /** * @ingroup los_errno * Define the error level as warning. */ #define LOS_ERRTYPE_WARN ((UINT32)0x01 << 24) /** * @ingroup los_errno * Define the error level as critical. */ #define LOS_ERRTYPE_ERROR ((UINT32)0x02 << 24) /** * @ingroup los_errno * Define the error level as fatal. */ #define LOS_ERRTYPE_FATAL ((UINT32)0x03 << 24) /** * @ingroup los_errno * Define fatal OS errors. */ #define LOS_ERRNO_OS_FATAL(moduleID, errno) \ (LOS_ERRTYPE_FATAL | LOS_ERRNO_OS_ID | ((UINT32)(moduleID) << 8) | (errno)) /** * @ingroup los_errno * Define critical OS errors. */ #define LOS_ERRNO_OS_ERROR(moduleID, errno) \ (LOS_ERRTYPE_ERROR | LOS_ERRNO_OS_ID | ((UINT32)(moduleID) << 8) | (errno)) /** * @ingroup los_errno * Define warning OS errors. */ #define LOS_ERRNO_OS_WARN(moduleID, errno) \ (LOS_ERRTYPE_WARN | LOS_ERRNO_OS_ID | ((UINT32)(moduleID) << 8) | (errno)) /** * @ingroup los_errno * Define informative OS errors. */ #define LOS_ERRNO_OS_NORMAL(moduleID, errno) \ (LOS_ERRTYPE_NORMAL | LOS_ERRNO_OS_ID | ((UINT32)(moduleID) << 8) | (errno)) /** * @ingroup los_err * @brief Define the pointer to the error handling function. * * @par Description: * This API is used to define the pointer to the error handling function. * @attention * * * @param fileName [IN] Log file that stores error information. * @param lineNo [IN] Line number of the erroneous line. * @param errorNo [IN] Error code. * @param paraLen [IN] Length of the input parameter pPara. * @param para [IN] User label of the error. * * @retval None. * @par Dependency: * * @see None. */ typedef VOID (*LOS_ERRORHANDLE_FUNC)(CHAR *fileName, UINT32 lineNo, /**< Line number of the erroneous line. */ UINT32 errorNo, /**< Error code. */ UINT32 paraLen, /**< Length of the input parameter pPara. */ VOID *para); /** * @ingroup los_err * @brief Error handling function. * * @par Description: * This API is used to perform different operations according to error types. * @attention * * * @param fileName [IN] Log file that stores error information. * @param lineNo [IN] Line number of the erroneous line which should not be OS_ERR_MAGIC_WORD. * @param errorNo [IN] Error code. * @param paraLen [IN] Length of the input parameter pPara. * @param para [IN] User label of the error. * * @retval LOS_OK The error is successfully processed. * @par Dependency: * * @see None */ extern UINT32 LOS_ErrHandle(CHAR *fileName, UINT32 lineNo, UINT32 errorNo, UINT32 paraLen, VOID *para); /** * @ingroup los_err * Error handling function structure. */ typedef struct tagUserErrFunc { LOS_ERRORHANDLE_FUNC pfnHook; /**< Hook function for error handling. */ } UserErrFunc; enum LOS_MODULE_ID { LOS_MOD_SYS = 0x0, LOS_MOD_MEM = 0x1, LOS_MOD_TSK = 0x2, LOS_MOD_SWTMR = 0x3, LOS_MOD_TICK = 0x4, LOS_MOD_MSG = 0x5, LOS_MOD_QUE = 0x6, LOS_MOD_SEM = 0x7, LOS_MOD_MBOX = 0x8, LOS_MOD_HWI = 0x9, LOS_MOD_HWWDG = 0xa, LOS_MOD_CACHE = 0xb, LOS_MOD_HWTMR = 0xc, LOS_MOD_MMU = 0xd, LOS_MOD_LOG = 0xe, LOS_MOD_ERR = 0xf, LOS_MOD_EXC = 0x10, LOS_MOD_CSTK = 0x11, LOS_MOD_MPU = 0x12, LOS_MOD_NMHWI = 0x13, LOS_MOD_TRACE = 0x14, LOS_MOD_IPC = 0x18, LOS_MOD_TIMER = 0x1a, LOS_MOD_EVENT = 0x1c, LOS_MOD_MUX = 0X1d, LOS_MOD_CPUP = 0x1e, LOS_MOD_HOOK = 0x1f, LOS_MOD_PM = 0x20, LOS_MOD_SHELL = 0x31, LOS_MOD_BUTT }; /** * @ingroup los_err * Define the error magic word. */ #define OS_ERR_MAGIC_WORD 0xa1b2c3f8 /** * @ingroup los_err * @brief Error handling macro capable of returning error codes. * * @par Description: * This API is used to call the error handling function by using an error code and return the same error code. * @attention * * * @param errNo [IN] Error code. * * @retval errNo * @par Dependency: * * @see None. */ #define OS_RETURN_ERROR(errNo) \ do { \ (VOID)LOS_ErrHandle("os_unspecific_file", OS_ERR_MAGIC_WORD, errNo, 0, NULL); \ return (errNo); \ } while (0) /** * @ingroup los_err * @brief Error handling macro capable of returning error codes. * * @par Description: * This API is used to call the error handling function by using an error code and the line number of the erroneous line, and return the same error code. * @attention * * * @param errLine [IN] Line number of the erroneous line. * @param errNo [IN] Error code. * * @retval errNo * @par Dependency: * * @see None. */ #define OS_RETURN_ERROR_P2(errLine, errNo) \ do { \ (VOID)LOS_ErrHandle("os_unspecific_file", errLine, errNo, 0, NULL); \ return (errNo); \ } while (0) /** * @ingroup los_err * @brief Macro for jumping to error handler. * * @par Description: * This API is used to call the error handling function by using an error code. * @attention * * * @param errorNo [IN] Error code. * * @retval None. * @par Dependency: * * @see None. */ #define OS_GOTO_ERR_HANDLER(errorNo) \ do { \ errNo = (errorNo); \ errLine = OS_ERR_MAGIC_WORD; \ goto ERR_HANDLER; \ } while (0) #ifdef __cplusplus #if __cplusplus } #endif /* __cplusplus */ #endif /* __cplusplus */ #endif /* _LOS_ERRNO_H */