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path: root/ArmPkg/Drivers/CpuDxe/Exception.c
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Diffstat (limited to 'ArmPkg/Drivers/CpuDxe/Exception.c')
-rw-r--r--ArmPkg/Drivers/CpuDxe/Exception.c172
1 files changed, 1 insertions, 171 deletions
diff --git a/ArmPkg/Drivers/CpuDxe/Exception.c b/ArmPkg/Drivers/CpuDxe/Exception.c
index d46971b33c..e313cf3fe9 100644
--- a/ArmPkg/Drivers/CpuDxe/Exception.c
+++ b/ArmPkg/Drivers/CpuDxe/Exception.c
@@ -14,7 +14,6 @@
#include "CpuDxe.h"
-EFI_DEBUG_IMAGE_INFO_TABLE_HEADER *gDebugImageTableHeader = NULL;
VOID
ExceptionHandlersStart (
@@ -123,125 +122,6 @@ RegisterDebuggerInterruptHandler (
-
-CHAR8 *
-GetImageName (
- IN UINT32 FaultAddress,
- OUT UINT32 *ImageBase,
- OUT UINT32 *PeCoffSizeOfHeaders
- )
-{
- EFI_DEBUG_IMAGE_INFO *DebugTable;
- UINTN Entry;
- CHAR8 *Address;
-
-
- DebugTable = gDebugImageTableHeader->EfiDebugImageInfoTable;
- if (DebugTable == NULL) {
- return NULL;
- }
-
- Address = (CHAR8 *)(UINTN)FaultAddress;
- for (Entry = 0; Entry < gDebugImageTableHeader->TableSize; Entry++, DebugTable++) {
- if (DebugTable->NormalImage != NULL) {
- if ((DebugTable->NormalImage->ImageInfoType == EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL) &&
- (DebugTable->NormalImage->LoadedImageProtocolInstance != NULL)) {
- if ((Address >= (CHAR8 *)DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase) &&
- (Address <= ((CHAR8 *)DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase + DebugTable->NormalImage->LoadedImageProtocolInstance->ImageSize))) {
- *ImageBase = (UINT32)DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase;
- *PeCoffSizeOfHeaders = PeCoffGetSizeOfHeaders ((VOID *)(UINTN)*ImageBase);
- return PeCoffLoaderGetPdbPointer (DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase);
- }
- }
- }
- }
-
- return NULL;
-}
-
-typedef struct {
- UINT32 Bit;
- CHAR8 Char;
-} CPSR_CHAR;
-
-
-VOID
-CpsrString (
- IN UINT32 Cpsr,
- OUT CHAR8 *ReturnStr
- )
-{
- UINTN Index;
- CHAR8 *Str = ReturnStr;
- CHAR8 *ModeStr;
- CPSR_CHAR CpsrChar[] = {
- { 31, 'n' },
- { 30, 'z' },
- { 29, 'c' },
- { 28, 'v' },
-
- { 9, 'e' },
- { 8, 'a' },
- { 7, 'i' },
- { 6, 'f' },
- { 5, 't' },
- { 0, '?' }
- };
-
- for (Index = 0; CpsrChar[Index].Bit != 0; Index++, Str++) {
- *Str = CpsrChar[Index].Char;
- if ((Cpsr & (1 << CpsrChar[Index].Bit)) != 0) {
- // Concert to upper case if bit is set
- *Str &= ~0x20;
- }
- }
-
- *Str++ = '_';
- *Str = '\0';
-
- switch (Cpsr & 0x1f) {
- case 0x17:
- ModeStr = "abt";
- break;
- case 0x011:
- ModeStr = "fiq";
- break;
- case 0x12:
- ModeStr = "irq";
- break;
- case 0x13:
- ModeStr = "svc";
- break;
- case 0x1f:
- ModeStr = "sys";
- break;
- case 0x1b:
- ModeStr = "und";
- break;
- case 0x10:
- ModeStr = "usr";
- break;
-
- default:
- ModeStr = "???";
- break;
- }
-
- AsciiStrCat (Str, ModeStr);
- return;
-}
-
-CHAR8 *gExceptionTypeString[] = {
- "Reset",
- "Undefined Instruction",
- "SWI",
- "Prefetch Abort",
- "Data Abort",
- "Undefined",
- "IRQ",
- "FIQ"
-};
-
VOID
EFIAPI
CommonCExceptionHandler (
@@ -284,52 +164,7 @@ CommonCExceptionHandler (
return;
}
- //
- // Code after here is the default exception handler... Dump the context
- //
- DEBUG ((EFI_D_ERROR, "\n%a Exception PC at 0x%08x CPSR 0x%08x ", gExceptionTypeString[ExceptionType], SystemContext.SystemContextArm->PC, SystemContext.SystemContextArm->CPSR));
- DEBUG_CODE_BEGIN ();
- CHAR8 *Pdb;
- UINT32 ImageBase;
- UINT32 PeCoffSizeOfHeader;
- UINT32 Offset;
- CHAR8 CpsrStr[32]; // char per bit. Lower 5-bits are mode that is a 3 char string
-
- CpsrString (SystemContext.SystemContextArm->CPSR, CpsrStr);
- DEBUG ((EFI_D_ERROR, "%a\n", CpsrStr));
-
- Pdb = GetImageName (SystemContext.SystemContextArm->PC, &ImageBase, &PeCoffSizeOfHeader);
- Offset = SystemContext.SystemContextArm->PC - ImageBase;
- if (Pdb != NULL) {
- DEBUG ((EFI_D_ERROR, "%a\n", Pdb));
-
- //
- // A PE/COFF image loads its headers into memory so the headers are
- // included in the linked addressess. ELF and Mach-O images do not
- // include the headers so the first byte of the image is usually
- // text (code). If you look at link maps from ELF or Mach-O images
- // you need to subtact out the size of the PE/COFF header to get
- // get the offset that matches the link map.
- //
- DEBUG ((EFI_D_ERROR, "loaded at 0x%08x (PE/COFF offset) 0x%x (ELF or Mach-O offset) 0x%x", ImageBase, Offset, Offset - PeCoffSizeOfHeader));
-
- // If we come from an image it is safe to show the instruction. We know it should not fault
- if ((SystemContext.SystemContextArm->CPSR & 0x20) == 0) {
- // ARM
- DEBUG ((EFI_D_ERROR, "\nFaulting Instruction 0x%08x", *(UINT32 *)(UINTN)SystemContext.SystemContextArm->PC));
- } else {
- // Thumb
- DEBUG ((EFI_D_ERROR, "\nFaulting Instruction 0x%04x", *(UINT16 *)(UINTN)SystemContext.SystemContextArm->PC));
- }
- }
- DEBUG_CODE_END ();
- DEBUG ((EFI_D_ERROR, "\n R0 0x%08x R1 0x%08x R2 0x%08x R3 0x%08x\n", SystemContext.SystemContextArm->R0, SystemContext.SystemContextArm->R1, SystemContext.SystemContextArm->R2, SystemContext.SystemContextArm->R3));
- DEBUG ((EFI_D_ERROR, " R4 0x%08x R5 0x%08x R6 0x%08x R7 0x%08x\n", SystemContext.SystemContextArm->R4, SystemContext.SystemContextArm->R5, SystemContext.SystemContextArm->R6, SystemContext.SystemContextArm->R7));
- DEBUG ((EFI_D_ERROR, " R8 0x%08x R9 0x%08x R10 0x%08x R11 0x%08x\n", SystemContext.SystemContextArm->R8, SystemContext.SystemContextArm->R9, SystemContext.SystemContextArm->R10, SystemContext.SystemContextArm->R11));
- DEBUG ((EFI_D_ERROR, " R12 0x%08x SP 0x%08x LR 0x%08x PC 0x%08x\n", SystemContext.SystemContextArm->R12, SystemContext.SystemContextArm->SP, SystemContext.SystemContextArm->LR, SystemContext.SystemContextArm->PC));
- DEBUG ((EFI_D_ERROR, "DFSR 0x%08x DFAR 0x%08x IFSR 0x%08x IFAR 0x%08x\n\n", SystemContext.SystemContextArm->DFSR, SystemContext.SystemContextArm->DFAR, SystemContext.SystemContextArm->IFSR, SystemContext.SystemContextArm->IFAR));
-
- ASSERT (FALSE);
+ DefaultExceptionHandler (ExceptionType, SystemContext);
}
@@ -346,11 +181,6 @@ InitializeExceptions (
BOOLEAN Enabled;
EFI_PHYSICAL_ADDRESS Base;
- Status = EfiGetSystemConfigurationTable (&gEfiDebugImageInfoTableGuid, (VOID **)&gDebugImageTableHeader);
- if (EFI_ERROR (Status)) {
- gDebugImageTableHeader = NULL;
- }
-
//
// Disable interrupts
//
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-20 04:41:20 +0000