feature:the feature of saving system exception information to the

storage medium is separated from the shell module.

Change-Id: Id56939001d70bb92d9cc02bd7c9f55ca8b61cf5b

Kconfig

@@ -165,6 +165,7 @@ config THUMB
     default n
     help
       Answer Y to build thumb version.  This will make LiteOS smaller.
+
 config PLATFORM_DVFS
     bool "Enable Dvfs"
     default n
@@ -173,6 +174,12 @@ config PLATFORM_DVFS
       Answer Y to enable LiteOS support dynamic voltage and frequency scaling feature for
       low power consumption.
 
+config SAVE_EXCINFO
+    bool "Enable Saving Exception Information"
+    default n
+    help
+      Answer Y to enable LiteOS support saving exception information to storage medium.
+
 config DEBUG_VERSION
     bool "Enable a Debug Version"
     default n

arch/arm/arm/src/los_exc.c

@@ -34,7 +34,7 @@
 #include "los_printf_pri.h"
 #include "los_task_pri.h"
 #include "los_hw_pri.h"
-#ifdef LOSCFG_SHELL_EXCINFO
+#ifdef LOSCFG_SAVE_EXCINFO
 #include "los_excinfo_pri.h"
 #endif
 #ifdef LOSCFG_EXC_INTERACTION
@@ -576,7 +576,7 @@ STATIC VOID OsUserExcHandle(ExcContext *excBufAddr)
 #endif
 #endif
 
-#ifdef LOSCFG_SHELL_EXCINFO
+#ifdef LOSCFG_SAVE_EXCINFO
     OsProcessExitCodeCoreDumpSet(runProcess);
 #endif
     OsProcessExitCodeSignalSet(runProcess, SIGUSR2);
@@ -1086,6 +1086,22 @@ LITE_OS_SEC_TEXT_INIT STATIC VOID OsPrintExcHead(UINT32 far)
     }
 }
 
+#ifdef LOSCFG_SAVE_EXCINFO
+STATIC VOID OsSysStateSave(UINT32 *intCount, UINT32 *lockCount)
+{
+    *intCount = g_intCount[ArchCurrCpuid()];
+    *lockCount = OsPercpuGet()->taskLockCnt;
+    g_intCount[ArchCurrCpuid()] = 0;
+    OsPercpuGet()->taskLockCnt = 0;
+}
+
+STATIC VOID OsSysStateRestore(UINT32 intCount, UINT32 lockCount)
+{
+    g_intCount[ArchCurrCpuid()] = intCount;
+    OsPercpuGet()->taskLockCnt = lockCount;
+}
+#endif
+
 /*
  * Description : EXC handler entry
  * Input       : excType    --- exc type
@@ -1093,6 +1109,11 @@ LITE_OS_SEC_TEXT_INIT STATIC VOID OsPrintExcHead(UINT32 far)
  */
 LITE_OS_SEC_TEXT_INIT VOID OsExcHandleEntry(UINT32 excType, ExcContext *excBufAddr, UINT32 far, UINT32 fsr)
 {
+#ifdef LOSCFG_SAVE_EXCINFO
+    UINT32 intCount;
+    UINT32 lockCount;
+#endif
+
     /* Task scheduling is not allowed during exception handling */
     OsPercpuGet()->taskLockCnt++;
 
@@ -1106,18 +1127,18 @@ LITE_OS_SEC_TEXT_INIT VOID OsExcHandleEntry(UINT32 excType, ExcContext *excBufAd
     OsAllCpuStatusOutput();
 #endif
 
-#ifdef LOSCFG_SHELL_EXCINFO
+#ifdef LOSCFG_SAVE_EXCINFO
     log_read_write_fn func = GetExcInfoRW();
 #endif
 
     if (g_excHook != NULL) {
         if (g_curNestCount[ArchCurrCpuid()] == 1) {
-#ifdef LOSCFG_SHELL_EXCINFO
+#ifdef LOSCFG_SAVE_EXCINFO
             if (func != NULL) {
                 SetExcInfoIndex(0);
-                g_intCount[ArchCurrCpuid()] = 0;
+                OsSysStateSave(&intCount, &lockCount);
                 OsRecordExcInfoTime();
-                g_intCount[ArchCurrCpuid()] = 1;
+                OsSysStateRestore(intCount, lockCount);
             }
 #endif
             g_excHook(excType, excBufAddr, far, fsr);
@@ -1125,12 +1146,12 @@ LITE_OS_SEC_TEXT_INIT VOID OsExcHandleEntry(UINT32 excType, ExcContext *excBufAd
             OsCallStackInfo();
         }
 
-#ifdef LOSCFG_SHELL_EXCINFO
+#ifdef LOSCFG_SAVE_EXCINFO
         if (func != NULL) {
             PrintExcInfo("Be sure flash space bigger than GetExcInfoIndex():0x%x\n", GetExcInfoIndex());
-            g_intCount[ArchCurrCpuid()] = 0;
+            OsSysStateSave(&intCount, &lockCount);
             func(GetRecordAddr(), GetRecordSpace(), 0, GetExcInfoBuf());
-            g_intCount[ArchCurrCpuid()] = 1;
+            OsSysStateRestore(intCount, lockCount);
         }
 #endif
     }

kernel/base/misc/mempt_shellcmd.c

@@ -31,7 +31,7 @@
 
 #include "stdlib.h"
 #include "los_memory_pri.h"
-#ifdef LOSCFG_SHELL_EXCINFO
+#ifdef LOSCFG_SAVE_EXCINFO
 #include "los_excinfo_pri.h"
 #endif
 #ifdef LOSCFG_SHELL
@@ -64,7 +64,7 @@ VOID OsDumpMemByte(size_t length, UINTPTR addr)
     while (dataLen) {
         if (IS_ALIGNED(count, sizeof(CHAR *))) {
             PRINTK("\n 0x%lx :", alignAddr);
-#ifdef LOSCFG_SHELL_EXCINFO
+#ifdef LOSCFG_SAVE_EXCINFO
             WriteExcInfoToBuf("\n 0x%lx :", alignAddr);
 #endif
         }
@@ -73,7 +73,7 @@ VOID OsDumpMemByte(size_t length, UINTPTR addr)
 #else
         PRINTK("%0+8lx ", *alignAddr);
 #endif
-#ifdef LOSCFG_SHELL_EXCINFO
+#ifdef LOSCFG_SAVE_EXCINFO
 #ifdef __LP64__
         WriteExcInfoToBuf("0x%0+16x ", *alignAddr);
 #else
@@ -85,7 +85,7 @@ VOID OsDumpMemByte(size_t length, UINTPTR addr)
         count++;
     }
     PRINTK("\n");
-#ifdef LOSCFG_SHELL_EXCINFO
+#ifdef LOSCFG_SAVE_EXCINFO
     WriteExcInfoToBuf("\n");
 #endif
 
@@ -101,14 +101,14 @@ LITE_OS_SEC_TEXT_MINOR UINT32 OsShellCmdMemCheck(INT32 argc, const CHAR *argv[])
 
     if (LOS_MemIntegrityCheck(m_aucSysMem1) == LOS_OK) {
         PRINTK("system memcheck over, all passed!\n");
-#ifdef LOSCFG_SHELL_EXCINFO
+#ifdef LOSCFG_SAVE_EXCINFO
         WriteExcInfoToBuf("system memcheck over, all passed!\n");
 #endif
     }
 #ifdef LOSCFG_EXC_INTERACTION
     if (LOS_MemIntegrityCheck(m_aucSysMem0) == LOS_OK) {
         PRINTK("exc interaction memcheck over, all passed!\n");
-#ifdef LOSCFG_SHELL_EXCINFO
+#ifdef LOSCFG_SAVE_EXCINFO
         WriteExcInfoToBuf("exc interaction memcheck over, all passed!\n");
 #endif
     }

kernel/base/misc/task_shellcmd.c

@@ -43,7 +43,7 @@
 #ifdef LOSCFG_KERNEL_CPUP
 #include "los_cpup_pri.h"
 #endif
-#ifdef LOSCFG_SHELL_EXCINFO
+#ifdef LOSCFG_SAVE_EXCINFO
 #include "los_excinfo_pri.h"
 #endif
 #include "los_process_pri.h"

kernel/common/los_config.h

@@ -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

kernel/common/los_excinfo.c

@@ -34,9 +34,11 @@
 #ifdef LOSCFG_FS_VFS
 #include "fs/fs.h"
 #endif
+#ifdef LOSCFG_SHELL
+#include "shcmd.h"
+#endif
 
-
+#ifdef LOSCFG_SAVE_EXCINFO
-#ifdef LOSCFG_SHELL_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
 

kernel/common/los_excinfo_pri.h

@@ -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);

kernel/common/los_printf.c

@@ -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);

shell/Kconfig

@@ -22,11 +22,4 @@ config SHELL_DMESG
     help
       Answer Y to enable LiteOS support shell dmesg.
 
-config SHELL_EXCINFO
-    bool "Enable Shell excInfo"
-    default n
-    depends on DEBUG_VERSION && SHELL
-    help
-      Answer Y to enable LiteOS support shell excInfo.
-
 endmenu

shell/full/src/cmds/excinfo_shell.c

@@ -1,61 +0,0 @@
-/*
- * 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 "shcmd.h"
-#include "los_memory.h"
-#ifdef LOSCFG_SHELL_EXCINFO
-#include "los_excinfo_pri.h"
-
-
-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