niobe/kernel/liteos_m/utils/los_debug.c

107 lines
3.1 KiB
C

/*
* 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.
*/
#include "los_debug.h"
#include "stdarg.h"
#include "los_interrupt.h"
#if (LOSCFG_KERNEL_PRINTF == 1)
STATIC const CHAR *g_logString[] = {
"EMG",
"COMMON",
"ERR",
"WARN",
"INFO",
"DEBUG",
};
#endif
STATIC ExcHookFn g_excHook;
STATIC BACK_TRACE_HOOK g_backTraceHook = NULL;
VOID OsBackTraceHookSet(BACK_TRACE_HOOK hook)
{
if (g_backTraceHook == NULL) {
g_backTraceHook = hook;
}
}
VOID OsBackTraceHookCall(UINTPTR *LR, UINT32 LRSize, UINT32 jumpCount, UINTPTR SP)
{
if (g_backTraceHook != NULL) {
g_backTraceHook(LR, LRSize, jumpCount, SP);
} else {
PRINT_ERR("Record LR failed, because of g_backTraceHook is not registered, "
"should call OSBackTraceInit firstly\n");
}
}
VOID OsExcHookRegister(ExcHookFn excHookFn)
{
UINT32 intSave = LOS_IntLock();
if (!g_excHook) {
g_excHook = excHookFn;
}
LOS_IntRestore(intSave);
}
VOID OsDoExcHook(EXC_TYPE excType)
{
UINT32 intSave = LOS_IntLock();
if (g_excHook) {
g_excHook(excType);
}
LOS_IntRestore(intSave);
}
#if (LOSCFG_KERNEL_PRINTF == 1)
INT32 OsLogLevelCheck(INT32 level)
{
if (level > PRINT_LEVEL) {
return LOS_NOK;
}
if ((level != LOG_COMMON_LEVEL) && ((level > LOG_EMG_LEVEL) && (level <= LOG_DEBUG_LEVEL))) {
PRINTK("[%s]", g_logString[level]);
}
return LOS_OK;
}
#endif
#if (LOSCFG_KERNEL_PRINTF > 1)
WEAK VOID HalConsoleOutput(LogModuleType type, INT32 level, const CHAR *fmt, ...)
{
}
#endif