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fix:Fixed exception not saving stack pointer of SVC mode and abnormal signal processing issues

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Close #I3OAFR

Change-Id: I25b14572809b6fabb9e9d17de89a99047c02a59b
This commit is contained in:
zhushengle
2021-05-07 19:09:10 +08:00
committed by zhushengle
parent f6c4f6f5da
commit 1e308db64e
11 changed files with 92 additions and 98 deletions
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5
syscall/los_syscall.c
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@@ -99,7 +99,7 @@ VOID OsArmA32SyscallHandle(TaskContext *regs)
UINT32 ret;
UINT8 nArgs;
UINTPTR handle;
UINT32 cmd = regs->resved2;
UINT32 cmd = regs->reserved2;
if (cmd >= SYS_CALL_NUM) {
PRINT_ERR("Syscall ID: error %d !!!\n", cmd);
@@ -134,8 +134,5 @@ VOID OsArmA32SyscallHandle(TaskContext *regs)
regs->R0 = ret;
/* Return the last value of curent_regs. This supports context switches on return from the exception.
* That capability is only used with theSYS_context_switch system call.
*/
return;
}