sravan/system76-edk2
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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.

Browse Source 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10018 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
andrewfish
2010-02-16 23:45:42 +00:00
parent 56015d8801
commit 65e2744587
5 changed files with 13 additions and 8 deletions
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7
ArmPkg/Library/DefaultExceptionHandlerLib/DefaultExceptionHandler.c
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@@ -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"));