los_blackbox_system_adapter.c 文件参考

浏览源代码.

结构体
struct	FaultLogInfo

函数
static void	SaveFaultLog (const char *filePath, const char *dataBuf, size_t bufSize, struct ErrorInfo *info)
static void	WriteExcFile (UINT32 startAddr, UINT32 space, UINT32 rwFlag, char *buf)
static void	RegisterExcInfoHook (void)
static int	AllocLogBuffer (void)
static void	Dump (const char *logDir, struct ErrorInfo *info)
static void	Reset (struct ErrorInfo *info)
static int	GetLastLogInfo (struct ErrorInfo *info)
static int	SaveLastLog (const char *logDir, struct ErrorInfo *info)
static void	BBoxTest (void)
int	OsBBoxSystemAdapterInit (void)
	LOS_MODULE_INIT (OsBBoxSystemAdapterInit, LOS_INIT_LEVEL_PLATFORM)

变量
static char *	g_logBuffer = NULL

函数说明

AllocLogBuffer()

static int AllocLogBuffer ( void  )

static

在文件 los_blackbox_system_adapter.c 第 96 行定义.

{
    if (LOSCFG_BLACKBOX_LOG_SIZE < sizeof(struct FaultLogInfo)) {
        BBOX_PRINT_ERR("LOSCFG_BLACKBOX_LOG_SIZE [%d] is too short, it must be >= %u\n",
            LOSCFG_BLACKBOX_LOG_SIZE, sizeof(struct FaultLogInfo));
        return -1;
    }
 
    /*
     * The physical memory pointed to by LOSCFG_BLACKBOX_RESERVE_MEM_ADDR is
     * exclusive to blackbox and cannot be occupied by other modules during
     * system running and cannot overlap with the memory area of other systems
     * during startup.
     */
    g_logBuffer = (char *)MEM_CACHED_ADDR(LOSCFG_BLACKBOX_RESERVE_MEM_ADDR);
    BBOX_PRINT_INFO("g_logBuffer: %p, len: 0x%x for blackbox!\n", g_logBuffer, (UINT32)LOSCFG_BLACKBOX_LOG_SIZE);
 
    return (g_logBuffer != NULL) ? 0 : -1;
}

这是这个函数的调用关系图:

BBoxTest()

static void BBoxTest ( void  )

static

在文件 los_blackbox_system_adapter.c 第 219 行定义.

{
    struct ModuleOps ops = {
        .module = "MODULE_TEST",
        .Dump = NULL,
        .Reset = NULL,
        .GetLastLogInfo = NULL,
        .SaveLastLog = NULL,
    };
 
    if (BBoxRegisterModuleOps(&ops) != 0) {
        BBOX_PRINT_ERR("BBoxRegisterModuleOps failed!\n");
        return;
    }
    BBoxNotifyError("EVENT_TEST1", "MODULE_TEST", "Test BBoxNotifyError111", 0);
}

函数调用图:

这是这个函数的调用关系图:

Dump()

static void Dump ( const char *  logDir, struct ErrorInfo *  info  )

static

在文件 los_blackbox_system_adapter.c 第 116 行定义.

{
    struct FaultLogInfo *pLogInfo = NULL;
 
    if (logDir == NULL || info == NULL) {
        BBOX_PRINT_ERR("logDir: %p, info: %p!\n", logDir, info);
        return;
    }
    if (g_logBuffer == NULL) {
        BBOX_PRINT_ERR("g_logBuffer is NULL, alloc physical pages failed!\n");
        return;
    }
 
    if (strcmp(info->event, EVENT_PANIC) == 0) {
        pLogInfo = (struct FaultLogInfo *)g_logBuffer;
        (void)memset_s(pLogInfo, sizeof(*pLogInfo), 0, sizeof(*pLogInfo));
#ifdef LOSCFG_SAVE_EXCINFO
        pLogInfo->len = GetExcInfoIndex();
#else
        pLogInfo->len = 0;
#endif
        (void)memcpy_s(&pLogInfo->flag, sizeof(pLogInfo->flag), LOG_FLAG, strlen(LOG_FLAG));
        (void)memcpy_s(&pLogInfo->info, sizeof(pLogInfo->info), info, sizeof(*info));
        DCacheFlushRange((UINTPTR)g_logBuffer, (UINTPTR)(g_logBuffer + LOSCFG_BLACKBOX_LOG_SIZE));
    } else {
#ifdef LOSCFG_SAVE_EXCINFO
        SaveFaultLog(USER_FAULT_LOG_PATH, g_logBuffer + sizeof(struct FaultLogInfo),
            Min(LOSCFG_BLACKBOX_LOG_SIZE - sizeof(struct FaultLogInfo), GetExcInfoIndex()), info);
#else
        SaveFaultLog(USER_FAULT_LOG_PATH, g_logBuffer + sizeof(struct FaultLogInfo), 0, info);
#endif
    }
}

函数调用图:

这是这个函数的调用关系图:

GetLastLogInfo()

static int GetLastLogInfo ( struct ErrorInfo *  info )

static

在文件 los_blackbox_system_adapter.c 第 164 行定义.

{
    struct FaultLogInfo *pLogInfo = NULL;
 
    if (info == NULL) {
        BBOX_PRINT_ERR("info is NULL!\n");
        return -1;
    }
    if (g_logBuffer == NULL) {
        BBOX_PRINT_ERR("g_logBuffer is NULL, alloc physical pages failed!\n");
        return -1;
    }
 
    pLogInfo = (struct FaultLogInfo *)g_logBuffer;
    if (memcmp(pLogInfo->flag, LOG_FLAG, strlen(LOG_FLAG)) == 0) {
        (void)memcpy_s(info, sizeof(*info), &pLogInfo->info, sizeof(pLogInfo->info));
        return 0;
    }
 
    return -1;
}

函数调用图:

这是这个函数的调用关系图:

LOS_MODULE_INIT()

LOS_MODULE_INIT	(	OsBBoxSystemAdapterInit	,
		LOS_INIT_LEVEL_PLATFORM
	)

OsBBoxSystemAdapterInit()

int OsBBoxSystemAdapterInit

(

void

)

在文件 los_blackbox_system_adapter.c 第 237 行定义.

{
    struct ModuleOps ops = {
        .module = MODULE_SYSTEM,
        .Dump = Dump,
        .Reset = Reset,
        .GetLastLogInfo = GetLastLogInfo,
        .SaveLastLog = SaveLastLog,
    };
 
    /* allocate buffer for kmsg */
    if (AllocLogBuffer() == 0) {
        RegisterExcInfoHook();
        if (BBoxRegisterModuleOps(&ops) != 0) {
            BBOX_PRINT_ERR("BBoxRegisterModuleOps failed!\n");
            g_logBuffer = NULL;
            return LOS_NOK;
        }
    } else {
        BBOX_PRINT_ERR("AllocLogBuffer failed!\n");
    }
 
#ifdef LOSCFG_BLACKBOX_TEST
    BBoxTest();
#endif
 
    return LOS_OK;
}

函数调用图:

RegisterExcInfoHook()

static void RegisterExcInfoHook ( void  )

static

在文件 los_blackbox_system_adapter.c 第 84 行定义.

{
    if (g_logBuffer != NULL) {
#ifdef LOSCFG_SAVE_EXCINFO
        LOS_ExcInfoRegHook(0, LOSCFG_BLACKBOX_LOG_SIZE - sizeof(struct FaultLogInfo),
            g_logBuffer + sizeof(struct FaultLogInfo), WriteExcFile);
#endif
    } else {
        BBOX_PRINT_ERR("Alloc mem failed!\n");
    }
}

函数调用图:

这是这个函数的调用关系图:

Reset()

static void Reset ( struct ErrorInfo *  info )

static

在文件 los_blackbox_system_adapter.c 第 150 行定义.

{
    if (info == NULL) {
        BBOX_PRINT_ERR("info is NULL!\n");
        return;
    }
 
    if (strcmp(info->event, EVENT_PANIC) != 0) {
        BBOX_PRINT_INFO("[%s] starts uploading event [%s]\n", info->module, info->event);
        (void)UploadEventByFile(USER_FAULT_LOG_PATH);
        BBOX_PRINT_INFO("[%s] ends uploading event [%s]\n", info->module, info->event);
    }
}

函数调用图:

这是这个函数的调用关系图:

SaveFaultLog()

static void SaveFaultLog ( const char *  filePath, const char *  dataBuf, size_t  bufSize, struct ErrorInfo *  info  )

static

在文件 los_blackbox_system_adapter.c 第 68 行定义.

{
    (void)SaveBasicErrorInfo(filePath, info);
    (void)FullWriteFile(filePath, dataBuf, bufSize, 1);
}

函数调用图:

这是这个函数的调用关系图:

SaveLastLog()

static int SaveLastLog ( const char *  logDir, struct ErrorInfo *  info  )

static

在文件 los_blackbox_system_adapter.c 第 186 行定义.

{
#ifdef LOSCFG_FS_VFS
    struct FaultLogInfo *pLogInfo = NULL;
 
    if (logDir == NULL || info == NULL) {
        BBOX_PRINT_ERR("logDir: %p, info: %p!\n", logDir, info);
        return -1;
    }
    if (g_logBuffer == NULL) {
        BBOX_PRINT_ERR("g_logBuffer is NULL, alloc physical pages failed!\n");
        return -1;
    }
 
    pLogInfo = (struct FaultLogInfo *)g_logBuffer;
    if (memcmp(pLogInfo->flag, LOG_FLAG, strlen(LOG_FLAG)) == 0) {
        SaveFaultLog(KERNEL_FAULT_LOG_PATH, g_logBuffer + sizeof(*pLogInfo),
            Min(LOSCFG_BLACKBOX_LOG_SIZE - sizeof(*pLogInfo), pLogInfo->len), info);
    }
    (void)memset_s(g_logBuffer, LOSCFG_BLACKBOX_LOG_SIZE, 0, LOSCFG_BLACKBOX_LOG_SIZE);
    BBOX_PRINT_INFO("[%s] starts uploading event [%s]\n", info->module, info->event);
    (void)UploadEventByFile(KERNEL_FAULT_LOG_PATH);
    BBOX_PRINT_INFO("[%s] ends uploading event [%s]\n", info->module, info->event);
    return 0;
#else
    (VOID)logDir;
    (VOID)info;
    BBOX_PRINT_ERR("LOSCFG_FS_VFS isn't defined!\n");
    return -1;
#endif
}

函数调用图:

这是这个函数的调用关系图:

WriteExcFile()

static void WriteExcFile ( UINT32  startAddr, UINT32  space, UINT32  rwFlag, char *  buf  )

static

在文件 los_blackbox_system_adapter.c 第 75 行定义.

{
    (void)startAddr;
    (void)space;
    (void)rwFlag;
    (void)buf;
}

这是这个函数的调用关系图:

变量说明

g_logBuffer

char* g_logBuffer = NULL

static

在文件 los_blackbox_system_adapter.c 第 65 行定义.