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feat: add blackbox for liteos_a 

1、在内核增加BlackBox核心框架，对外提供模块回调接口注册和故障处理接口。
2、增加默认的系统模块适配层，处理通用内核态和用户态故障日志抓取和保存。

Close #I3NN7V

Signed-off-by: qidechun <qidechun@huawei.com>
This commit is contained in:
qidechun 2021-07-06 07:49:59 +08:00
parent 003810284c
commit 425975e481
17 changed files with 1256 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
Kconfig
View File

@ -61,6 +61,8 @@ source "../../kernel/liteos_a/arch/Kconfig"
source "../../kernel/liteos_a/kernel/common/Kconfig"
######################### config options of patchfs #####################
source "../../kernel/liteos_a/kernel/common/patchfs/Kconfig"
######################### config options of blackbox #####################
source "../../kernel/liteos_a/kernel/common/blackbox/Kconfig"
config QUICK_START
bool "Enable QUICK_START"
@ -175,7 +177,7 @@ config PLATFORM_DVFS
config SAVE_EXCINFO
bool "Enable Saving Exception Information"
default n
default y if BLACKBOX
help
Answer Y to enable LiteOS support saving exception information to storage medium.

14
arch/arm/arm/src/los_exc.c
View File

@ -62,6 +62,9 @@
#ifdef LOSCFG_FS_VFS
#include "console.h"
#endif
#ifdef LOSCFG_BLACKBOX
#include "los_blackbox.h"
#endif
#define INVALID_CPUID 0xFFFF
@ -589,6 +592,9 @@ STATIC VOID OsUserExcHandle(ExcContext *excBufAddr)
/* Exception handling All operations should be kept prior to that operation */
OsExcRestore();
/* kill user exc process */
#ifdef LOSCFG_BLACKBOX
BBoxNotifyError("USER_CRASH", MODULE_SYSTEM, "Crash in user", 0);
#endif
LOS_Exit(OS_PRO_EXIT_OK);
}
@ -1058,6 +1064,9 @@ LITE_OS_SEC_TEXT VOID STATIC OsExcPriorDisposal(ExcContext *excBufAddr)
LITE_OS_SEC_TEXT_INIT STATIC VOID OsPrintExcHead(UINT32 far)
{
#ifdef LOSCFG_BLACKBOX
SetExcInfoIndex(0);
#endif
#ifdef LOSCFG_KERNEL_VM
/* You are not allowed to add any other print information before this exception information */
if (g_excFromUserMode[ArchCurrCpuid()] == TRUE) {
@ -1125,7 +1134,9 @@ LITE_OS_SEC_TEXT_INIT VOID OsExcHandleEntry(UINT32 excType, ExcContext *excBufAd
if (g_curNestCount[ArchCurrCpuid()] == 1) {
#ifdef LOSCFG_SAVE_EXCINFO
if (func != NULL) {
#ifndef LOSCFG_BLACKBOX
SetExcInfoIndex(0);
#endif
OsSysStateSave(&intCount, &lockCount);
OsRecordExcInfoTime();
OsSysStateRestore(intCount, lockCount);
@ -1154,6 +1165,9 @@ LITE_OS_SEC_TEXT_INIT VOID OsExcHandleEntry(UINT32 excType, ExcContext *excBufAd
}
#endif
#ifdef LOSCFG_BLACKBOX
BBoxNotifyError(EVENT_PANIC, MODULE_SYSTEM, "Crash in kernel", 1);
#endif
while (1) {}
}

6
kernel/base/misc/task_shellcmd.c
View File

@ -85,12 +85,18 @@ STATIC UINT32 *taskWaterLine = NULL;
#define OS_TASK_ALL_INFO_LEN (g_taskMaxNum * (sizeof(LosTaskCB) + sizeof(UINT32)))
#ifdef LOSCFG_FS_VFS
#ifdef LOSCFG_BLACKBOX
#define SaveExcInfo(arg, ...) WriteExcInfoToBuf(arg, ##__VA_ARGS__)
#else
#define SaveExcInfo(arg, ...)
#endif
#define PROCESS_INFO_SHOW(seqBuf, arg...) do { \
if (seqBuf != NULL) { \
(void)LosBufPrintf((struct SeqBuf *)seqBuf, ##arg); \
} else { \
PRINTK(arg); \
} \
SaveExcInfo(arg); \
} while (0)
#else
#define PROCESS_INFO_SHOW(seqBuf, arg...) PRINTK(arg)

11
kernel/common/blackbox/Kconfig Normal file
View File

@ -0,0 +1,11 @@
config BLACKBOX
bool "Enable BlackBox"
default y
help
Answer Y to enable LiteOS support blackbox
config LOG_ROOT_PATH
string
default "/storage/data/log" if BLACKBOX
help
define the default log path of blackbox

14
kernel/common/blackbox/Makefile Normal file
View File

@ -0,0 +1,14 @@
include $(LITEOSTOPDIR)/config.mk
MODULE_NAME := $(notdir $(shell pwd))
LOCAL_SRCS := $(wildcard *.c)
LOCAL_INCLUDE := \
-I $(LITEOSTOPDIR)/kernel/common \
-I $(LITEOSTOPDIR)/kernel/common/blackbox \
-I $(LITEOSTOPDIR)/syscall \
LOCAL_FLAGS := $(LOCAL_INCLUDE) $(LITEOS_GCOV_OPTS)
include $(MODULE)

95
kernel/common/blackbox/los_blackbox.h Normal file
View File

@ -0,0 +1,95 @@
/*
* Copyright (c) 2021-2021 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.
*/
#ifndef LOS_BLACKBOX_H
#define LOS_BLACKBOX_H
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#ifndef __user
#define __user
#endif
#include "stdarg.h"
#include "los_typedef.h"
#define PATH_MAX_LEN 256
#define EVENT_MAX_LEN 32
#define MODULE_MAX_LEN 32
#define ERROR_DESC_MAX_LEN 512
#ifndef LOSCFG_LOG_ROOT_PATH
#define LOSCFG_LOG_ROOT_PATH "/storage/data/log"
#endif
#define KERNEL_FAULT_LOG_PATH LOSCFG_LOG_ROOT_PATH "/kernel_fault.log"
#define USER_FAULT_LOG_PATH LOSCFG_LOG_ROOT_PATH "/user_fault.log"
#define MODULE_SYSTEM "SYSTEM"
#define EVENT_SYSREBOOT "SYSREBOOT"
#define EVENT_LONGPRESS "LONGPRESS"
#define EVENT_COMBINATIONKEY "COMBINATIONKEY"
#define EVENT_SUBSYSREBOOT "SUBSYSREBOOT"
#define EVENT_POWEROFF "POWEROFF"
#define EVENT_PANIC "PANIC"
#define EVENT_SYS_WATCHDOG "SYSWATCHDOG"
#define EVENT_HUNGTASK "HUNGTASK"
#define EVENT_BOOTFAIL "BOOTFAIL"
struct ErrorInfo {
char event[EVENT_MAX_LEN];
char module[MODULE_MAX_LEN];
char errorDesc[ERROR_DESC_MAX_LEN];
};
struct ModuleOps {
char module[MODULE_MAX_LEN];
void (*Dump)(const char *logDir, struct ErrorInfo *info);
void (*Reset)(struct ErrorInfo *info);
int (*GetLastLogInfo)(struct ErrorInfo *info);
int (*SaveLastLog)(const char *logDir, struct ErrorInfo *info);
};
int BBoxRegisterModuleOps(struct ModuleOps *ops);
int BBoxNotifyError(const char event[EVENT_MAX_LEN],
const char module[MODULE_MAX_LEN],
const char errorDesc[ERROR_DESC_MAX_LEN],
int needSysReset);
int OsBBoxDriverInit(void);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif

101
kernel/common/blackbox/los_blackbox_common.c Normal file
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@ -0,0 +1,101 @@
/*
* Copyright (c) 2021-2021 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.
*/
/* ------------ includes ------------ */
#include "los_blackbox_common.h"
#ifdef LOSCFG_LIB_LIBC
#include "stdlib.h"
#include "unistd.h"
#endif
#include "fs/fs.h"
#include "securec.h"
#include "los_memory.h"
/* ------------ local macroes ------------ */
/* ------------ local prototypes ------------ */
/* ------------ local function declarations ------------ */
/* ------------ global function declarations ------------ */
/* ------------ local variables ------------ */
/* ------------ function definitions ------------ */
int FullWriteFile(const char *filePath, const char *buf, size_t bufSize, int isAppend)
{
int fd;
int totalToWrite = (int)bufSize;
int totalWrite = 0;
if (filePath == NULL || buf == NULL || bufSize == 0) {
BBOX_PRINT_ERR("filePath: %p, buf: %p, bufSize: %lu!\n", filePath, buf, bufSize);
return -1;
}
fd = open(filePath, O_CREAT | O_RDWR | (isAppend ? O_APPEND : O_TRUNC), 0644);
if (fd < 0) {
BBOX_PRINT_ERR("Create file [%s] failed, fd: %d!\n", filePath, fd);
return -1;
}
while (totalToWrite > 0) {
int writeThisTime = write(fd, buf, totalToWrite);
if (writeThisTime < 0) {
BBOX_PRINT_ERR("Failed to write file [%s]!\n", filePath);
(void)close(fd);
return -1;
}
buf += writeThisTime;
totalToWrite -= writeThisTime;
totalWrite += writeThisTime;
}
(void)close(fd);
return (totalWrite == (int)bufSize) ? 0 : -1;
}
int SaveBasicErrorInfo(const char *filePath, struct ErrorInfo *info)
{
char *buf;
if (filePath == NULL || info == NULL) {
BBOX_PRINT_ERR("filePath: %p, event: %p!\n", filePath, info);
return -1;
}
buf = LOS_MemAlloc(m_aucSysMem1, ERROR_INFO_MAX_LEN);
if (buf == NULL) {
BBOX_PRINT_ERR("LOS_MemAlloc failed!\n");
return -1;
}
(void)memset_s(buf, ERROR_INFO_MAX_LEN, 0, ERROR_INFO_MAX_LEN);
(void)snprintf_s(buf, ERROR_INFO_MAX_LEN, ERROR_INFO_MAX_LEN - 1,
ERROR_INFO_HEADER ERROR_INFO_HEADER_FORMAT, info->event, info->module, info->errorDesc);
*(buf + ERROR_INFO_MAX_LEN - 1) = '\0';
(void)FullWriteFile(filePath, buf, strlen(buf), 0);
(void)LOS_MemFree(m_aucSysMem1, buf);
return 0;
}

65
kernel/common/blackbox/los_blackbox_common.h Normal file
View File

@ -0,0 +1,65 @@
/*
* Copyright (c) 2021-2021 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.
*/
#ifndef LOS_BLACKBOX_COMMON_H
#define LOS_BLACKBOX_COMMON_H
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#ifndef __user
#define __user
#endif
#include "los_blackbox.h"
#include "los_printf.h"
#include "los_typedef.h"
#define ERROR_INFO_HEADER "#### error info ####\n"
#define ERROR_INFO_HEADER_FORMAT "event: %s\nmodule: %s\nerrorDesc: %s\n"
#define ERROR_INFO_MAX_LEN 768
#define Min(a, b) (((a) > (b)) ? (b) : (a))
#define BBOX_PRINT_ERR(format, ...) PRINTK("bbox: func: %s, line: %d, Err: " \
format, __func__, __LINE__, ##__VA_ARGS__)
#define BBOX_PRINT_INFO(format, ...) PRINTK("bbox: Info: " format, ##__VA_ARGS__)
int FullWriteFile(const char *filePath, const char *buf, size_t bufSize, int isAppend);
int SaveBasicErrorInfo(const char *filePath, struct ErrorInfo *info);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif

454
kernel/common/blackbox/los_blackbox_core.c Normal file
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@ -0,0 +1,454 @@
/*
* Copyright (c) 2021-2021 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.
*/
/* ------------ includes ------------ */
#include "los_blackbox.h"
#include "los_blackbox_common.h"
#include "los_blackbox_detector.h"
#ifdef LOSCFG_LIB_LIBC
#include "stdlib.h"
#include "unistd.h"
#endif
#include "los_base.h"
#include "los_config.h"
#include "los_excinfo_pri.h"
#include "los_hw.h"
#include "los_init.h"
#include "los_memory.h"
#include "los_sem.h"
#include "los_syscall.h"
#include "securec.h"
#include "sys/reboot.h"
/* ------------ local macroes ------------ */
#define LOG_WAIT_TIMES 10
#define LOG_PART_WAIT_TIME 1000
/* ------------ local prototypes ------------ */
typedef struct BBoxOps {
LOS_DL_LIST opsList;
struct ModuleOps ops;
} BBoxOps;
/* ------------ local function declarations ------------ */
/* ------------ global function declarations ------------ */
/* ------------ local variables ------------ */
static UINT32 g_opsListSem = 0;
static UINT32 g_tempErrInfoSem = 0;
static LOS_DL_LIST_HEAD(g_opsList);
struct ErrorInfo *g_tempErrInfo;
/* ------------ function definitions ------------ */
static void FormatErrorInfo(struct ErrorInfo *info,
const char event[EVENT_MAX_LEN],
const char module[MODULE_MAX_LEN],
const char errorDesc[ERROR_DESC_MAX_LEN])
{
if (info == NULL || event == NULL || module == NULL || errorDesc == NULL) {
BBOX_PRINT_ERR("info: %p, event: %p, module: %p, errorDesc: %p!\n", info, event, module, errorDesc);
return;
}
(void)memset_s(info, sizeof(*info), 0, sizeof(*info));
(void)strncpy_s(info->event, sizeof(info->event), event, Min(strlen(event), sizeof(info->event) - 1));
info->event[sizeof(info->event) - 1] = '\0';
(void)strncpy_s(info->module, sizeof(info->module), module, Min(strlen(module), sizeof(info->module) - 1));
info->module[sizeof(info->module) - 1] = '\0';
(void)strncpy_s(info->errorDesc, sizeof(info->errorDesc), errorDesc,
Min(strlen(errorDesc), sizeof(info->errorDesc) - 1));
info->errorDesc[sizeof(info->errorDesc) - 1] = '\0';
}
#ifdef LOSCFG_FS_VFS
static bool IsLogPartReady(void)
{
return access(LOSCFG_LOG_ROOT_PATH, 0) == 0;
}
static void WaitForLogPart(void)
{
BBOX_PRINT_INFO("wait for log part [%s] begin!\n", LOSCFG_LOG_ROOT_PATH);
while (!IsLogPartReady()) {
LOS_Msleep(LOG_PART_WAIT_TIME);
}
BBOX_PRINT_INFO("wait for log part [%s] end!\n", LOSCFG_LOG_ROOT_PATH);
}
#else
static bool IsLogPartReady(void)
{
return TRUE;
}
static void WaitForLogPart(void)
{
int i = 0;
BBOX_PRINT_INFO("wait for log part [%s] begin!\n", LOSCFG_LOG_ROOT_PATH);
while (i++ < LOG_WAIT_TIMES) {
LOS_Msleep(LOG_PART_WAIT_TIME);
}
BBOX_PRINT_INFO("wait for log part [%s] end!\n", LOSCFG_LOG_ROOT_PATH);
}
#endif
static bool FindModuleOps(struct ErrorInfo *info, BBoxOps **ops)
{
bool found = false;
if (info == NULL || ops == NULL) {
BBOX_PRINT_ERR("info: %p, ops: %p!\n", info, ops);
return found;
}
LOS_DL_LIST_FOR_EACH_ENTRY(*ops, &g_opsList, BBoxOps, opsList) {
if (*ops != NULL && strcmp((*ops)->ops.module, info->module) == 0) {
found = true;
break;
}
}
if (!found) {
BBOX_PRINT_ERR("[%s] hasn't been registered!\n", info->module);
}
return found;
}
static void InvokeModuleOps(struct ErrorInfo *info, BBoxOps *ops)
{
if (info == NULL || ops == NULL) {
BBOX_PRINT_ERR("info: %p, ops: %p!\n", info, ops);
return;
}
if (ops->ops.Dump != NULL) {
BBOX_PRINT_INFO("[%s] starts dumping log!\n", ops->ops.module);
ops->ops.Dump(LOSCFG_LOG_ROOT_PATH, info);
BBOX_PRINT_INFO("[%s] ends dumping log!\n", ops->ops.module);
}
if (ops->ops.Reset != NULL) {
BBOX_PRINT_INFO("[%s] starts resetting!\n", ops->ops.module);
ops->ops.Reset(info);
BBOX_PRINT_INFO("[%s] ends resetting!\n", ops->ops.module);
}
}
static void SaveLastLog(const char *logDir)
{
struct ErrorInfo *info;
BBoxOps *ops;
info = LOS_MemAlloc(m_aucSysMem1, sizeof(*info));
if (info == NULL) {
BBOX_PRINT_ERR("LOS_MemAlloc failed!\n");
return;
}
if (LOS_SemPend(g_opsListSem, LOS_WAIT_FOREVER) != LOS_OK) {
BBOX_PRINT_ERR("Request g_opsListSem failed!\n");
(void)LOS_MemFree(m_aucSysMem1, info);
return;
}
LOS_DL_LIST_FOR_EACH_ENTRY(ops, &g_opsList, BBoxOps, opsList) {
if (ops == NULL) {
BBOX_PRINT_ERR("ops: NULL, please check it!\n");
continue;
}
if (ops->ops.GetLastLogInfo != NULL && ops->ops.SaveLastLog != NULL) {
(void)memset_s(info, sizeof(*info), 0, sizeof(*info));
if (ops->ops.GetLastLogInfo(info) != 0) {
BBOX_PRINT_ERR("[%s] failed to get log info!\n", ops->ops.module);
continue;
}
BBOX_PRINT_INFO("[%s] starts saving log!\n", ops->ops.module);
if (ops->ops.SaveLastLog(logDir, info) != 0) {
BBOX_PRINT_ERR("[%s] failed to save log!\n", ops->ops.module);
} else {
BBOX_PRINT_INFO("[%s] ends saving log!\n", ops->ops.module);
BBOX_PRINT_INFO("[%s] starts uploading event [%s]\n", info->module, info->event);
#ifdef LOSCFG_FS_VFS
(void)UploadEventByFile(KERNEL_FAULT_LOG_PATH);
#else
BBOX_PRINT_INFO("LOSCFG_FS_VFS isn't defined!\n");
#endif
BBOX_PRINT_INFO("[%s] ends uploading event [%s]\n", info->module, info->event);
}
} else {
BBOX_PRINT_ERR("module [%s], GetLastLogInfo: %p, SaveLastLog: %p!\n",
ops->ops.module, ops->ops.GetLastLogInfo, ops->ops.SaveLastLog);
}
}
(void)LOS_SemPost(g_opsListSem);
(void)LOS_MemFree(m_aucSysMem1, info);
}
static void SaveLogWithoutReset(struct ErrorInfo *info)
{
BBoxOps *ops;
if (info == NULL) {
BBOX_PRINT_ERR("info: %p!\n", info);
return;
}
if (LOS_SemPend(g_opsListSem, LOS_WAIT_FOREVER) != LOS_OK) {
BBOX_PRINT_ERR("Request g_opsListSem failed!\n");
return;
}
if (!FindModuleOps(info, &ops)) {
(void)LOS_SemPost(g_opsListSem);
return;
}
if (ops->ops.Dump == NULL && ops->ops.Reset == NULL) {
(void)LOS_SemPost(g_opsListSem);
if (SaveBasicErrorInfo(USER_FAULT_LOG_PATH, info) == 0) {
BBOX_PRINT_INFO("[%s] starts uploading event [%s]\n", info->module, info->event);
#ifdef LOSCFG_FS_VFS
(void)UploadEventByFile(USER_FAULT_LOG_PATH);
#else
BBOX_PRINT_INFO("LOSCFG_FS_VFS isn't defined!\n");
#endif
BBOX_PRINT_INFO("[%s] ends uploading event [%s]\n", info->module, info->event);
}
return;
}
InvokeModuleOps(info, ops);
(void)LOS_SemPost(g_opsListSem);
}
static void SaveTempErrorLog(void)
{
if (LOS_SemPend(g_tempErrInfoSem, LOS_WAIT_FOREVER) != LOS_OK) {
BBOX_PRINT_ERR("Request g_tempErrInfoSem failed!\n");
return;
}
if (g_tempErrInfo == NULL) {
BBOX_PRINT_ERR("g_tempErrInfo: %p!\n", g_tempErrInfo);
(void)LOS_SemPost(g_tempErrInfoSem);
return;
}
if (strlen(g_tempErrInfo->event) != 0) {
SaveLogWithoutReset(g_tempErrInfo);
}
(void)LOS_MemFree(m_aucSysMem1, g_tempErrInfo);
g_tempErrInfo = NULL;
(void)LOS_SemPost(g_tempErrInfoSem);
}
static void SaveLogWithReset(struct ErrorInfo *info)
{
int ret;
BBoxOps *ops;
if (info == NULL) {
BBOX_PRINT_ERR("info: %p!\n", info);
return;
}
if (!FindModuleOps(info, &ops)) {
return;
}
InvokeModuleOps(info, ops);
ret = SysReboot(0, 0, RB_AUTOBOOT);
BBOX_PRINT_INFO("SysReboot, ret: %d\n", ret);
}
static void SaveTempErrorInfo(const char event[EVENT_MAX_LEN],
const char module[MODULE_MAX_LEN],
const char errorDesc[ERROR_DESC_MAX_LEN])
{
if (event == NULL || module == NULL || errorDesc == NULL) {
BBOX_PRINT_ERR("event: %p, module: %p, errorDesc: %p!\n", event, module, errorDesc);
return;
}
if (LOS_SemPend(g_tempErrInfoSem, LOS_WAIT_FOREVER) != LOS_OK) {
BBOX_PRINT_ERR("Request g_tempErrInfoSem failed!\n");
return;
}
FormatErrorInfo(g_tempErrInfo, event, module, errorDesc);
(void)LOS_SemPost(g_tempErrInfoSem);
}
static int SaveErrorLog(UINTPTR uwParam1, UINTPTR uwParam2, UINTPTR uwParam3, UINTPTR uwParam4)
{
const char *logDir = (const char *)uwParam1;
(void)uwParam2;
(void)uwParam3;
(void)uwParam4;
#ifdef LOSCFG_FS_VFS
WaitForLogPart();
#endif
SaveLastLog(logDir);
SaveTempErrorLog();
return 0;
}
#ifdef LOSCFG_BLACKBOX_DEBUG
static void PrintModuleOps(void)
{
struct BBoxOps *ops;
BBOX_PRINT_INFO("The following modules have been registered!\n");
LOS_DL_LIST_FOR_EACH_ENTRY(ops, &g_opsList, BBoxOps, opsList) {
if (ops == NULL) {
continue;
}
BBOX_PRINT_INFO("module: %s, Dump: %p, Reset: %p, GetLastLogInfo: %p, SaveLastLog: %p\n",
ops->ops.module, ops->ops.Dump, ops->ops.Reset, ops->ops.GetLastLogInfo, ops->ops.SaveLastLog);
}
}
#endif
int BBoxRegisterModuleOps(struct ModuleOps *ops)
{
BBoxOps *newOps;
BBoxOps *temp;
if (ops == NULL) {
BBOX_PRINT_ERR("ops: %p!\n", ops);
return -1;
}
newOps = LOS_MemAlloc(m_aucSysMem1, sizeof(*newOps));
if (newOps == NULL) {
BBOX_PRINT_ERR("LOS_MemAlloc failed!\n");
return -1;
}
(void)memset_s(newOps, sizeof(*newOps), 0, sizeof(*newOps));
(void)memcpy_s(&newOps->ops, sizeof(newOps->ops), ops, sizeof(*ops));
if (LOS_SemPend(g_opsListSem, LOS_WAIT_FOREVER) != LOS_OK) {
BBOX_PRINT_ERR("Request g_opsListSem failed!\n");
(void)LOS_MemFree(m_aucSysMem1, newOps);
return -1;
}
if (LOS_ListEmpty(&g_opsList)) {
goto __out;
}
LOS_DL_LIST_FOR_EACH_ENTRY(temp, &g_opsList, BBoxOps, opsList) {
if (temp == NULL) {
continue;
}
if (strcmp(temp->ops.module, ops->module) == 0) {
BBOX_PRINT_ERR("module [%s] has been registered!\n", ops->module);
(void)LOS_SemPost(g_opsListSem);
(void)LOS_MemFree(m_aucSysMem1, newOps);
return -1;
}
}
__out:
LOS_ListTailInsert(&g_opsList, &newOps->opsList);
(void)LOS_SemPost(g_opsListSem);
BBOX_PRINT_INFO("module [%s] is registered successfully!\n", ops->module);
#ifdef LOSCFG_BLACKBOX_DEBUG
PrintModuleOps();
#endif
return 0;
}
int BBoxNotifyError(const char event[EVENT_MAX_LEN],
const char module[MODULE_MAX_LEN],
const char errorDesc[ERROR_DESC_MAX_LEN],
int needSysReset)
{
struct ErrorInfo *info;
if (event == NULL || module == NULL || errorDesc == NULL) {
BBOX_PRINT_ERR("event: %p, module: %p, errorDesc: %p!\n", event, module, errorDesc);
return -1;
}
info = LOS_MemAlloc(m_aucSysMem1, sizeof(*info));
if (info == NULL) {
BBOX_PRINT_ERR("LOS_MemAlloc failed!\n");
return -1;
}
FormatErrorInfo(info, event, module, errorDesc);
if (needSysReset == 0) {
if (!IsLogPartReady()) {
SaveTempErrorInfo(event, module, errorDesc);
} else {
SaveLogWithoutReset(info);
}
} else {
SaveLogWithReset(info);
}
(void)LOS_MemFree(m_aucSysMem1, info);
return 0;
}
int OsBBoxDriverInit(void)
{
UINT32 taskID;
TSK_INIT_PARAM_S taskParam;
if (LOS_BinarySemCreate(1, &g_opsListSem) != LOS_OK) {
BBOX_PRINT_ERR("Create g_opsListSem failed!\n");
return -1;
}
if (LOS_BinarySemCreate(1, &g_tempErrInfoSem) != LOS_OK) {
BBOX_PRINT_ERR("Create g_tempErrInfoSem failed!\n");
goto __err;
}
LOS_ListInit(&g_opsList);
g_tempErrInfo = LOS_MemAlloc(m_aucSysMem1, sizeof(*g_tempErrInfo));
if (g_tempErrInfo == NULL) {
BBOX_PRINT_ERR("LOS_MemAlloc failed!\n");
goto __err;
}
(void)memset_s(g_tempErrInfo, sizeof(*g_tempErrInfo), 0, sizeof(*g_tempErrInfo));
(void)memset_s(&taskParam, sizeof(taskParam), 0, sizeof(taskParam));
taskParam.auwArgs[0] = (UINTPTR)LOSCFG_LOG_ROOT_PATH;
taskParam.pfnTaskEntry = (TSK_ENTRY_FUNC)SaveErrorLog;
taskParam.uwStackSize = LOSCFG_BASE_CORE_TSK_DEFAULT_STACK_SIZE;
taskParam.pcName = "SaveErrorLog";
taskParam.usTaskPrio = LOSCFG_BASE_CORE_TSK_DEFAULT_PRIO;
taskParam.uwResved = LOS_TASK_STATUS_DETACHED;
#ifdef LOSCFG_KERNEL_SMP
taskParam.usCpuAffiMask = CPUID_TO_AFFI_MASK(ArchCurrCpuid());
#endif
(void)LOS_TaskCreate(&taskID, &taskParam);
return 0;
__err:
if (g_opsListSem != 0) {
(void)LOS_SemDelete(g_opsListSem);
}
if (g_tempErrInfoSem != 0) {
(void)LOS_SemDelete(g_tempErrInfoSem);
}
return -1;
}
LOS_MODULE_INIT(OsBBoxDriverInit, LOS_INIT_LEVEL_ARCH);

63
kernel/common/blackbox/los_blackbox_detector.c Normal file
View File

@ -0,0 +1,63 @@
/*
* Copyright (c) 2021-2021 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.
*/
/* ------------ includes ------------ */
#include "los_blackbox_detector.h"
#include "los_blackbox_common.h"
#ifdef LOSCFG_LIB_LIBC
#include "stdlib.h"
#include "unistd.h"
#endif
/* ------------ local macroes ------------ */
/* ------------ local prototypes ------------ */
/* ------------ local function declarations ------------ */
/* ------------ global function declarations ------------ */
/* ------------ local variables ------------ */
/* ------------ function definitions ------------ */
int UploadEventByFile(const char *filePath)
{
if (filePath == NULL) {
BBOX_PRINT_ERR("filePath: %p\n", filePath);
return -1;
}
return 0;
}
int UploadEventByStream(const char *buf, size_t bufSize)
{
if (buf == NULL || bufSize == 0) {
BBOX_PRINT_ERR("buf: %p, bufSize: %u\n", buf, (UINT32)bufSize);
return -1;
}
return 0;
}

55
kernel/common/blackbox/los_blackbox_detector.h Normal file
View File

@ -0,0 +1,55 @@
/*
* Copyright (c) 2021-2021 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.
*/
#ifndef LOS_BLACKBOX_DETECTOR_H
#define LOS_BLACKBOX_DETECTOR_H
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#ifndef __user
#define __user
#endif
#include "los_typedef.h"
int UploadEventByFile(const char *filePath);
int UploadEventByStream(const char *buf, size_t bufSize);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif

247
kernel/common/blackbox/los_blackbox_system_adapter.c Normal file
View File

@ -0,0 +1,247 @@
/*
* Copyright (c) 2021-2021 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.
*/
/* ------------ includes ------------ */
#include "los_blackbox_system_adapter.h"
#include "los_blackbox_common.h"
#include "los_blackbox_detector.h"
#ifdef LOSCFG_LIB_LIBC
#include "stdlib.h"
#include "unistd.h"
#endif
#include "los_base.h"
#include "los_config.h"
#include "los_excinfo_pri.h"
#include "los_hw.h"
#include "los_init.h"
#include "los_memory.h"
#include "los_vm_phys.h"
#include "fs/fs.h"
#include "securec.h"
/* ------------ local macroes ------------ */
#define MEM_OVERLAP_COUNT 50
#define LOG_FLAG "GOODLOG"
#define FAULT_LOG_SIZE 0x4000 /* 16KB */
/* ------------ local prototypes ------------ */
struct FaultLogInfo {
char flag[8]; /* 8 is the length of the flag */
int len; /* length of the fault log saved by the module excinfo */
struct ErrorInfo info;
};
/* ------------ local function declarations ------------ */
/* ------------ global function declarations ------------ */
/* ------------ local variables ------------ */
static char *g_logBuffer = NULL;
/* ------------ function definitions ------------ */
static void SaveFaultLog(const char *filePath, const char *dataBuf, size_t bufSize, struct ErrorInfo *info)
{
(void)SaveBasicErrorInfo(filePath, info);
(void)FullWriteFile(filePath, dataBuf, bufSize, 1);
}
static void WriteExcFile(UINT32 startAddr, UINT32 space, UINT32 rwFlag, char *buf)
{
(void)startAddr;
(void)space;
(void)rwFlag;
(void)buf;
}
static void RegisterExcInfoHook(void)
{
if (g_logBuffer != NULL) {
LOS_ExcInfoRegHook(0, FAULT_LOG_SIZE - sizeof(struct FaultLogInfo),
g_logBuffer + sizeof(struct FaultLogInfo), WriteExcFile);
} else {
BBOX_PRINT_ERR("Alloc mem failed!\n");
}
}
static INT32 AllocLogBuffer(void)
{
INT32 i;
size_t nPages = ROUNDUP(FAULT_LOG_SIZE, PAGE_SIZE) >> PAGE_SHIFT;
void *tempBuffer[MEM_OVERLAP_COUNT];
for (i = 0; i < MEM_OVERLAP_COUNT; i++) {
g_logBuffer = LOS_PhysPagesAllocContiguous(nPages);
tempBuffer[i] = g_logBuffer;
}
for (i = 0; i < MEM_OVERLAP_COUNT - 1; i++) {
LOS_PhysPagesFreeContiguous(tempBuffer[i], nPages);
}
return (g_logBuffer != NULL) ? 0 : -1;
}
static void Dump(const char *logDir, struct ErrorInfo *info)
{
struct FaultLogInfo *pInfo;
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: %p!\n", g_logBuffer);
return;
}
if (strcmp(info->event, EVENT_PANIC) == 0) {
pInfo = (struct FaultLogInfo *)g_logBuffer;
(void)memset_s(pInfo, sizeof(*pInfo), 0, sizeof(*pInfo));
pInfo->len = GetExcInfoLen();
(void)memcpy_s(&pInfo->flag, sizeof(pInfo->flag), LOG_FLAG, strlen(LOG_FLAG));
(void)memcpy_s(&pInfo->info, sizeof(pInfo->info), info, sizeof(*info));
DCacheFlushRange((UINTPTR)g_logBuffer, (UINTPTR)(g_logBuffer + FAULT_LOG_SIZE));
} else {
SaveFaultLog(USER_FAULT_LOG_PATH, g_logBuffer + sizeof(struct FaultLogInfo),
Min(FAULT_LOG_SIZE - sizeof(struct FaultLogInfo), GetExcInfoLen()), info);
}
}
static void Reset(struct ErrorInfo *info)
{
if (info == NULL) {
BBOX_PRINT_ERR("info: %p!\n", info);
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);
}
}
static int GetLastLogInfo(struct ErrorInfo *info)
{
struct FaultLogInfo *pInfo;
if (info == NULL) {
BBOX_PRINT_ERR("info: %p!\n", info);
return -1;
}
if (g_logBuffer == NULL) {
BBOX_PRINT_ERR("Alloc physical page failed!\n");
return -1;
}
pInfo = (struct FaultLogInfo *)g_logBuffer;
if (memcmp(pInfo->flag, LOG_FLAG, strlen(LOG_FLAG)) == 0) {
(void)memcpy_s(info, sizeof(*info), &pInfo->info, sizeof(pInfo->info));
return 0;
}
return -1;
}
static int SaveLastLog(const char *logDir, struct ErrorInfo *info)
{
#ifdef LOSCFG_FS_VFS
struct FaultLogInfo *pInfo;
if (logDir == NULL || info == NULL) {
BBOX_PRINT_ERR("logDir: %p, info: %p!\n", logDir, info);
return -1;
}
if (g_logBuffer == NULL) {
BBOX_PRINT_ERR("Alloc physical page failed!\n");
return -1;
}
pInfo = (struct FaultLogInfo *)g_logBuffer;
if (memcmp(pInfo->flag, LOG_FLAG, strlen(LOG_FLAG)) == 0) {
SaveFaultLog(KERNEL_FAULT_LOG_PATH, g_logBuffer + sizeof(*pInfo),
Min(FAULT_LOG_SIZE - sizeof(*pInfo), pInfo->len), info);
}
#endif
(void)memset_s(g_logBuffer, FAULT_LOG_SIZE, 0, FAULT_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;
}
#ifdef LOSCFG_BLACKBOX_TEST
static void BBoxTest(void)
{
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);
}
#endif
int OsBBoxSystemAdapterInit(void)
{
struct ModuleOps ops = {
.module = MODULE_SYSTEM,
.Dump = Dump,
.Reset = Reset,
.GetLastLogInfo = GetLastLogInfo,
.SaveLastLog = SaveLastLog,
};
/* allocate buffer for kmsg */
if (AllocLogBuffer() == 0) {
BBOX_PRINT_INFO("g_logBuffer: %p for blackbox!\n", g_logBuffer);
RegisterExcInfoHook();
if (BBoxRegisterModuleOps(&ops) != 0) {
BBOX_PRINT_ERR("BBoxRegisterModuleOps failed!\n");
LOS_PhysPagesFreeContiguous(g_logBuffer, ROUNDUP(FAULT_LOG_SIZE, PAGE_SIZE) >> PAGE_SHIFT);
g_logBuffer = NULL;
return -1;
}
} else {
BBOX_PRINT_ERR("AllocLogBuffer failed!\n");
}
#ifdef LOSCFG_BLACKBOX_TEST
BBoxTest();
#endif
return 0;
}
LOS_MODULE_INIT(OsBBoxSystemAdapterInit, LOS_INIT_LEVEL_ARCH);

55
kernel/common/blackbox/los_blackbox_system_adapter.h Normal file
View File

@ -0,0 +1,55 @@
/*
* Copyright (c) 2021-2021 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.
*/
#ifndef LOS_BLACKBOX_SYSTEM_ADAPTER_H
#define LOS_BLACKBOX_SYSTEM_ADAPTER_H
#ifdef __cplusplus
#if __cplusplus
extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#ifndef __user
#define __user
#endif
#include "los_blackbox.h"
#include "los_blackbox_common.h"
int OsBBoxSystemAdapterInit(void);
#ifdef __cplusplus
#if __cplusplus
}
#endif /* __cplusplus */
#endif /* __cplusplus */
#endif

59
kernel/common/los_excinfo.c
View File

@ -34,13 +34,29 @@
#ifdef LOSCFG_SHELL
#include "shcmd.h"
#endif
#ifdef LOSCFG_BLACKBOX
#include "fs/fs.h"
#include "fs/fs_operation.h"
#endif
#ifdef LOSCFG_BLACKBOX
#define TEMP_EXC_INFO_SIZE 0x400
#endif
#ifdef LOSCFG_SAVE_EXCINFO
STATIC log_read_write_fn g_excInfoRW = NULL; /* the hook of read-writing exception information */
STATIC CHAR *g_excInfoBuf = NULL; /* pointer to the buffer for storing the exception information */
#ifdef LOSCFG_BLACKBOX
STATIC UINT32 g_excInfoIndex = 0; /* the index of the buffer for storing the exception information */
#else
STATIC UINT32 g_excInfoIndex = 0xFFFFFFFF; /* the index of the buffer for storing the exception information */
#endif
STATIC UINT32 g_recordAddr = 0; /* the address of storing the exception information */
STATIC UINT32 g_recordSpace = 0; /* the size of storing the exception information */
#ifdef LOSCFG_BLACKBOX
STATIC UINT32 g_excLogLen = 0; /* the length of the exception information */
STATIC CHAR *g_tempExcInfoBuf = NULL; /* pointer to the buffer for storing the temp exception information */
#endif
VOID SetExcInfoRW(log_read_write_fn func)
{
@ -65,6 +81,11 @@ CHAR *GetExcInfoBuf(VOID)
VOID SetExcInfoIndex(UINT32 index)
{
g_excInfoIndex = index;
#ifdef LOSCFG_BLACKBOX
if (g_excInfoIndex == 0) {
g_excLogLen = 0;
}
#endif
}
UINT32 GetExcInfoIndex(VOID)
@ -72,6 +93,13 @@ UINT32 GetExcInfoIndex(VOID)
return g_excInfoIndex;
}
#ifdef LOSCFG_BLACKBOX
UINT32 GetExcInfoLen(VOID)
{
return g_excLogLen;
}
#endif
VOID SetRecordAddr(UINT32 addr)
{
g_recordAddr = addr;
@ -92,8 +120,35 @@ UINT32 GetRecordSpace(VOID)
return g_recordSpace;
}
#ifdef LOSCFG_BLACKBOX
STATIC VOID SaveExcInfoUnsafe(CHAR *buf, INT32 size)
{
for (INT32 i = 0; i < size; i++) {
*(g_excInfoBuf + g_excInfoIndex) = *(buf + i);
g_excInfoIndex++;
if (g_excLogLen < g_recordSpace) {
g_excLogLen++;
}
if (g_excInfoIndex >= g_recordSpace) {
g_excInfoIndex = 0;
}
}
}
#endif
VOID WriteExcBufVa(const CHAR *format, va_list arglist)
{
#ifdef LOSCFG_BLACKBOX
if (g_tempExcInfoBuf != NULL) {
(VOID)memset_s(g_tempExcInfoBuf, TEMP_EXC_INFO_SIZE, 0, TEMP_EXC_INFO_SIZE);
INT32 ret = vsnprintf_s(g_tempExcInfoBuf, TEMP_EXC_INFO_SIZE, TEMP_EXC_INFO_SIZE - 1, format, arglist);
if (ret == -1) {
PRINT_ERR("g_tempExcInfoBuf is not enough or vsnprintf_s is error.\n");
return;
}
SaveExcInfoUnsafe(g_tempExcInfoBuf, ret);
}
#else
errno_t ret;
if (g_recordSpace > g_excInfoIndex) {
@ -105,6 +160,7 @@ VOID WriteExcBufVa(const CHAR *format, va_list arglist)
}
g_excInfoIndex += ret;
}
#endif
}
VOID WriteExcInfoToBuf(const CHAR *format, ...)
@ -131,6 +187,9 @@ VOID LOS_ExcInfoRegHook(UINT32 startAddr, UINT32 space, CHAR *buf, log_read_writ
#ifdef LOSCFG_FS_VFS
los_vfs_init();
#endif
#ifdef LOSCFG_BLACKBOX
g_tempExcInfoBuf = LOS_VMalloc(TEMP_EXC_INFO_SIZE);
#endif
}
/* Be called in the exception. */

3
kernel/common/los_excinfo_pri.h
View File

@ -47,6 +47,9 @@ extern VOID SetExcInfoBuf(CHAR *buf);
extern CHAR *GetExcInfoBuf(VOID);
extern VOID SetExcInfoIndex(UINT32 index);
extern UINT32 GetExcInfoIndex(VOID);
#ifdef LOSCFG_BLACKBOX
extern UINT32 GetExcInfoLen(VOID);
#endif
extern VOID SetRecordAddr(UINT32 addr);
extern UINT32 GetRecordAddr(VOID);
extern VOID SetRecordSpace(UINT32 space);

4
tools/build/mk/liteos_tables_ldflags.mk
View File

@ -135,7 +135,9 @@ LITEOS_TABLES_KERNEL_INIT_LDFLAGS := \
-uOsCpupGuardCreator \
-uOsMpInit \
-uOsResourceFreeTaskCreate \
-uOsSystemInit
-uOsSystemInit \
-uOsBBoxSystemAdapterInit \
-uOsBBoxDriverInit
LITEOS_TABLES_DRIVER_LDFLAGS := \
-ui2c_init \

9
tools/build/mk/los_config.mk
View File

@ -441,6 +441,12 @@ ifeq ($(LOSCFG_BASE_CORE_HILOG), y)
LITEOS_HILOG_INCLUDE += -I $(LITEOSTOPDIR)/../../base/hiviewdfx/hilog_lite/interfaces/native/kits/hilog
LITEOS_CMACRO += -DLOSCFG_BASE_CORE_HILOG
endif
ifeq ($(LOSCFG_BLACKBOX), y)
LITEOS_BASELIB += -lblackbox
LIB_SUBDIRS += $(LITEOSTOPDIR)/kernel/common/blackbox
LITEOS_BLACKBOX_INCLUDE += -I $(LITEOSTOPDIR)/kernel/common/blackbox
LITEOS_CMACRO += -DLOSCFG_BLACKBOX
endif
############################## Dfx Option End #######################################
############################# Tools && Debug Option Begin ##############################
@ -637,7 +643,8 @@ LITEOS_DRIVERS_INCLUDE := $(LITEOS_CELLWISE_INCLUDE) $(LITEOS_GPIO_INCLUDE
$(LITEOS_DRIVERS_HDF_INCLUDE) $(LITEOS_TZDRIVER_INCLUDE) \
$(LITEOS_HIEVENT_INCLUDE) $(LITEOS_DEV_MEM_INCLUDE) \
$(LITEOS_DEV_QUICKSTART_INCLUDE)
LITEOS_DFX_INCLUDE := $(LITEOS_HILOG_INCLUDE)
LITEOS_DFX_INCLUDE := $(LITEOS_HILOG_INCLUDE) \
$(LITEOS_BLACKBOX_INCLUDE)
LITEOS_SECURITY_INCLUDE := $(LITEOS_SECURITY_CAP_INC) $(LITEOS_SECURITY_VID_INC)
LOSCFG_TOOLS_DEBUG_INCLUDE := $(LITEOS_SHELL_INCLUDE) $(LITEOS_UART_INCLUDE) \