diff options
Diffstat (limited to 'ArmPkg/Library')
-rw-r--r-- | ArmPkg/Library/DefaultExceptionHandlerLib/AArch64/DefaultExceptionHandler.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/ArmPkg/Library/DefaultExceptionHandlerLib/AArch64/DefaultExceptionHandler.c b/ArmPkg/Library/DefaultExceptionHandlerLib/AArch64/DefaultExceptionHandler.c index df30c4f..ca2c48c 100644 --- a/ArmPkg/Library/DefaultExceptionHandlerLib/AArch64/DefaultExceptionHandler.c +++ b/ArmPkg/Library/DefaultExceptionHandlerLib/AArch64/DefaultExceptionHandler.c @@ -34,6 +34,8 @@ STATIC CHAR8 *gExceptionTypeString[] = { "SError"
};
+STATIC BOOLEAN mRecursiveException;
+
CHAR8 *
GetImageName (
IN UINTN FaultAddress,
@@ -134,6 +136,14 @@ DefaultExceptionHandler ( {
CHAR8 Buffer[100];
UINTN CharCount;
+ INT32 Offset;
+
+ if (mRecursiveException) {
+ CharCount = AsciiSPrint (Buffer, sizeof (Buffer),"\nRecursive exception occurred while dumping the CPU state\n");
+ SerialPortWrite ((UINT8 *) Buffer, CharCount);
+ CpuDeadLoop ();
+ }
+ mRecursiveException = TRUE;
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"\n\n%a Exception at 0x%016lx\n", gExceptionTypeString[ExceptionType], SystemContext.SystemContextAArch64->ELR);
SerialPortWrite ((UINT8 *) Buffer, CharCount);
@@ -183,5 +193,16 @@ DefaultExceptionHandler ( DescribeExceptionSyndrome (SystemContext.SystemContextAArch64->ESR);
ASSERT (FALSE):
+ DEBUG ((EFI_D_ERROR, "\nStack dump:\n"));
+ for (Offset = -256; Offset < 256; Offset += 32) {
+ DEBUG ((EFI_D_ERROR, "%c %013lx: %016lx %016lx %016lx %016lx\n",
+ Offset == 0 ? '>' : ' ',
+ SystemContext.SystemContextAArch64->SP + Offset,
+ *(UINT64 *)(SystemContext.SystemContextAArch64->SP + Offset),
+ *(UINT64 *)(SystemContext.SystemContextAArch64->SP + Offset + 8),
+ *(UINT64 *)(SystemContext.SystemContextAArch64->SP + Offset + 16),
+ *(UINT64 *)(SystemContext.SystemContextAArch64->SP + Offset + 24)));
+ }
+
CpuDeadLoop ();
}
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