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authorandrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524>2010-02-16 23:45:42 +0000
committerandrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524>2010-02-16 23:45:42 +0000
commit65e27445877ff101115c79e76928d91bf7625876 (patch)
tree4640e52bd961cd04cedc14932405dbb817d9c872 /ArmPkg/Library/DefaultExceptionHandlerLib
parent56015d88011ae1bb3471a3c13ddb480e28ffd4c3 (diff)
downloadedk2-platforms-65e27445877ff101115c79e76928d91bf7625876.tar.xz
Fix bug in UncachedMemoryAllocationLib, Assembler, make DefaultExceptionHandler lib inc the PC past the faulting instruction to aid debug. Update LR in Exception hanlder, so return address can get updated properly.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10018 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmPkg/Library/DefaultExceptionHandlerLib')
-rw-r--r--ArmPkg/Library/DefaultExceptionHandlerLib/DefaultExceptionHandler.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/ArmPkg/Library/DefaultExceptionHandlerLib/DefaultExceptionHandler.c b/ArmPkg/Library/DefaultExceptionHandlerLib/DefaultExceptionHandler.c
index e146ac0c4a..927a66b915 100644
--- a/ArmPkg/Library/DefaultExceptionHandlerLib/DefaultExceptionHandler.c
+++ b/ArmPkg/Library/DefaultExceptionHandlerLib/DefaultExceptionHandler.c
@@ -224,6 +224,7 @@ DefaultExceptionHandler (
)
{
UINT32 DfsrStatus;
+ UINT32 IfsrStatus;
BOOLEAN DfsrWrite;
UINT32 PcAdjust = 0;
@@ -289,8 +290,10 @@ DefaultExceptionHandler (
if (DfsrStatus != 0x00) {
DEBUG ((EFI_D_ERROR, " %a: %a 0x%08x\n", FaultStatusToString (DfsrStatus), DfsrWrite ? "write to" : "read from", SystemContext.SystemContextArm->DFAR));
}
- if ((SystemContext.SystemContextArm->IFSR & 0xf) != 0x00) {
- DEBUG ((EFI_D_ERROR, "Instruction %a at 0x%08x, \n", FaultStatusToString (SystemContext.SystemContextArm->IFSR & 0xf), SystemContext.SystemContextArm->IFAR));
+
+ IfsrStatus = (SystemContext.SystemContextArm->IFSR & 0xf) | ((SystemContext.SystemContextArm->IFSR >> 6) & 0x10);
+ if (IfsrStatus != 0) {
+ DEBUG ((EFI_D_ERROR, " Instruction %a at 0x%08x\n", FaultStatusToString (SystemContext.SystemContextArm->IFSR & 0xf), SystemContext.SystemContextArm->IFAR));
}
DEBUG ((EFI_D_ERROR, "\n"));