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feature:the feature of saving system exception information to the

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storage medium is separated from the shell module.

Change-Id: Id56939001d70bb92d9cc02bd7c9f55ca8b61cf5b
This commit is contained in:
YOUR_NAME
2021-04-29 16:04:33 +08:00
parent 8592e04c78
commit d846035f3e
10 changed files with 79 additions and 90 deletions
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2
kernel/common/los_config.h
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@@ -398,7 +398,7 @@ extern UINT32 __heap_end;
#endif
/****************************** exception information configuration ******************************/
#ifdef LOSCFG_SHELL_EXCINFO
#ifdef LOSCFG_SAVE_EXCINFO
/**
* @ingroup los_config
* the size of space for recording exception information

33
kernel/common/los_excinfo.c
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@@ -34,9 +34,11 @@
#ifdef LOSCFG_FS_VFS
#include "fs/fs.h"
#endif
#ifdef LOSCFG_SHELL
#include "shcmd.h"
#endif
#ifdef LOSCFG_SHELL_EXCINFO
#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 */
STATIC UINT32 g_excInfoIndex = 0xFFFFFFFF; /* the index of the buffer for storing the exception information */
@@ -164,5 +166,32 @@ VOID OsRecordExcInfoTime(VOID)
#endif
}
#ifdef LOSCFG_SHELL
INT32 OsShellCmdReadExcInfo(INT32 argc, CHAR **argv)
{
UINT32 recordSpace = GetRecordSpace();
(VOID)argc;
(VOID)argv;
CHAR *buf = (CHAR*)LOS_MemAlloc((void *)OS_SYS_MEM_ADDR, recordSpace + 1);
if (buf == NULL) {
return LOS_NOK;
}
(void)memset_s(buf, recordSpace + 1, 0, recordSpace + 1);
log_read_write_fn hook = GetExcInfoRW();
if (hook != NULL) {
hook(GetRecordAddr(), recordSpace, 1, buf);
}
PRINTK("%s\n", buf);
(VOID)LOS_MemFree((void *)OS_SYS_MEM_ADDR, buf);
buf = NULL;
return LOS_OK;
}
SHELLCMD_ENTRY(readExcInfo_shellcmd, CMD_TYPE_EX, "excInfo", 0, (CmdCallBackFunc)OsShellCmdReadExcInfo);
#endif
#endif

2
kernel/common/los_excinfo_pri.h
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@@ -40,7 +40,7 @@ extern "C" {
#endif /* __cplusplus */
#endif /* __cplusplus */
#ifdef LOSCFG_SHELL_EXCINFO
#ifdef LOSCFG_SAVE_EXCINFO
extern VOID SetExcInfoRW(log_read_write_fn func);
extern log_read_write_fn GetExcInfoRW(VOID);
extern VOID SetExcInfoBuf(CHAR *buf);

4
kernel/common/los_printf.c
View File

@@ -42,7 +42,7 @@
#ifdef LOSCFG_SHELL_DMESG
#include "dmesg_pri.h"
#endif
#ifdef LOSCFG_SHELL_EXCINFO
#ifdef LOSCFG_SAVE_EXCINFO
#include "los_excinfo_pri.h"
#endif
#include "los_exc_pri.h"
@@ -250,7 +250,7 @@ VOID PrintExcInfo(const CHAR *fmt, ...)
va_start(ap, fmt);
/* uart output without print-spinlock */
OsVprintf(fmt, ap, EXC_OUTPUT);
#ifdef LOSCFG_SHELL_EXCINFO
#ifdef LOSCFG_SAVE_EXCINFO
WriteExcBufVa(fmt, ap);
#endif
va_end(ap);