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 #include "los_debug.h"
33 #include "stdarg.h"
34 #include "los_interrupt.h"
35 #include "los_task.h"
36
37 #if (LOSCFG_KERNEL_PRINTF == 1)
38 STATIC const CHAR *g_logString[] = {
39 "EMG",
40 "COMMON",
41 "ERR",
42 "WARN",
43 "INFO",
44 "DEBUG",
45 };
46 #endif
47
48 STATIC ExcHookFn g_excHook;
49 STATIC BACK_TRACE_HOOK g_backTraceHook = NULL;
50
OsBackTraceHookSet(BACK_TRACE_HOOK hook)51 VOID OsBackTraceHookSet(BACK_TRACE_HOOK hook)
52 {
53 if (g_backTraceHook == NULL) {
54 g_backTraceHook = hook;
55 }
56 }
57
OsBackTraceHookCall(UINTPTR * LR,UINT32 LRSize,UINT32 jumpCount,UINTPTR SP)58 VOID OsBackTraceHookCall(UINTPTR *LR, UINT32 LRSize, UINT32 jumpCount, UINTPTR SP)
59 {
60 if (g_backTraceHook != NULL) {
61 g_backTraceHook(LR, LRSize, jumpCount, SP);
62 } else {
63 PRINT_ERR("Record LR failed, because of g_backTraceHook is not registered, "
64 "should call OSBackTraceInit firstly\n");
65 }
66 }
67
OsExcHookRegister(ExcHookFn excHookFn)68 VOID OsExcHookRegister(ExcHookFn excHookFn)
69 {
70 UINT32 intSave = LOS_IntLock();
71 if (!g_excHook) {
72 g_excHook = excHookFn;
73 }
74 LOS_IntRestore(intSave);
75 }
76
OsDoExcHook(EXC_TYPE excType)77 VOID OsDoExcHook(EXC_TYPE excType)
78 {
79 UINT32 intSave = LOS_IntLock();
80 if (g_excHook) {
81 g_excHook(excType);
82 }
83 LOS_IntRestore(intSave);
84 }
85
86 #if (LOSCFG_KERNEL_PRINTF == 1)
OsLogLevelCheck(INT32 level)87 INT32 OsLogLevelCheck(INT32 level)
88 {
89 if (level > PRINT_LEVEL) {
90 return (INT32)LOS_NOK;
91 }
92
93 if ((level != LOG_COMMON_LEVEL) && ((level > LOG_EMG_LEVEL) && (level <= LOG_DEBUG_LEVEL))) {
94 PRINTK("[%s][%s]", g_logString[level], LOS_CurTaskNameGet());
95 }
96
97 return LOS_OK;
98 }
99 #endif
100
101 #if (LOSCFG_KERNEL_PRINTF > 1)
HalConsoleOutput(LogModuleType type,INT32 level,const CHAR * fmt,...)102 WEAK VOID HalConsoleOutput(LogModuleType type, INT32 level, const CHAR *fmt, ...)
103 {
104 }
105 #endif
106
107