Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>\r
Copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>\r
\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <Library/PrintLib.h>\r
#include <Library/ArmDisassemblerLib.h>\r
#include <Library/SerialPortLib.h>\r
+#include <Library/UefiBootServicesTableLib.h>\r
\r
#include <Guid/DebugImageInfoTable.h>\r
#include <Protocol/DebugSupport.h>\r
#include <Protocol/LoadedImage.h>\r
\r
-EFI_DEBUG_IMAGE_INFO_TABLE_HEADER *gDebugImageTableHeader = NULL;\r
-\r
STATIC CHAR8 *gExceptionTypeString[] = {\r
"Synchronous",\r
"IRQ",\r
"SError"\r
};\r
\r
+STATIC BOOLEAN mRecursiveException;\r
+\r
CHAR8 *\r
GetImageName (\r
IN UINTN FaultAddress,\r
DEBUG ((EFI_D_ERROR, "\n %a \n", Message));\r
}\r
\r
+#ifndef MDEPKG_NDEBUG\r
+STATIC\r
+CONST CHAR8 *\r
+BaseName (\r
+ IN CONST CHAR8 *FullName\r
+ )\r
+{\r
+ CONST CHAR8 *Str;\r
+\r
+ Str = FullName + AsciiStrLen (FullName);\r
+\r
+ while (--Str > FullName) {\r
+ if (*Str == '/' || *Str == '\\') {\r
+ return Str + 1;\r
+ }\r
+ }\r
+ return Str;\r
+}\r
+#endif\r
+\r
/**\r
This is the default action to take on an unexpected exception\r
\r
- Since this is exception context don't do anything crazy like try to allcoate memory.\r
+ Since this is exception context don't do anything crazy like try to allocate memory.\r
\r
@param ExceptionType Type of the exception\r
@param SystemContext Register state at the time of the Exception\r
{\r
CHAR8 Buffer[100];\r
UINTN CharCount;\r
+ INT32 Offset;\r
+\r
+ if (mRecursiveException) {\r
+ STATIC CHAR8 CONST Message[] = "\nRecursive exception occurred while dumping the CPU state\n";\r
+\r
+ SerialPortWrite ((UINT8 *)Message, sizeof Message - 1);\r
+ if (gST->ConOut != NULL) {\r
+ AsciiPrint (Message);\r
+ }\r
+ CpuDeadLoop ();\r
+ }\r
+ mRecursiveException = TRUE;\r
\r
CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"\n\n%a Exception at 0x%016lx\n", gExceptionTypeString[ExceptionType], SystemContext.SystemContextAArch64->ELR);\r
SerialPortWrite ((UINT8 *) Buffer, CharCount);\r
+ if (gST->ConOut != NULL) {\r
+ AsciiPrint (Buffer);\r
+ }\r
\r
DEBUG_CODE_BEGIN ();\r
- CHAR8 *Pdb;\r
+ CHAR8 *Pdb, *PrevPdb;\r
UINTN ImageBase;\r
UINTN PeCoffSizeOfHeader;\r
- Pdb = GetImageName (SystemContext.SystemContextAArch64->ELR, &ImageBase, &PeCoffSizeOfHeader);\r
+ UINT64 *Fp;\r
+ UINT64 RootFp[2];\r
+ UINTN Idx;\r
+\r
+ PrevPdb = Pdb = GetImageName (SystemContext.SystemContextAArch64->ELR, &ImageBase, &PeCoffSizeOfHeader);\r
if (Pdb != NULL) {\r
- DEBUG ((EFI_D_ERROR, "%a loaded at 0x%016lx \n", Pdb, ImageBase));\r
+ DEBUG ((EFI_D_ERROR, "PC 0x%012lx (0x%012lx+0x%08x) [ 0] %a\n",\r
+ SystemContext.SystemContextAArch64->ELR, ImageBase,\r
+ SystemContext.SystemContextAArch64->ELR - ImageBase, BaseName (Pdb)));\r
+ } else {\r
+ DEBUG ((EFI_D_ERROR, "PC 0x%012lx\n", SystemContext.SystemContextAArch64->ELR));\r
+ }\r
+\r
+ if ((UINT64 *)SystemContext.SystemContextAArch64->FP != 0) {\r
+ Idx = 0;\r
+\r
+ RootFp[0] = ((UINT64 *)SystemContext.SystemContextAArch64->FP)[0];\r
+ RootFp[1] = ((UINT64 *)SystemContext.SystemContextAArch64->FP)[1];\r
+ if (RootFp[1] != SystemContext.SystemContextAArch64->LR) {\r
+ RootFp[0] = SystemContext.SystemContextAArch64->FP;\r
+ RootFp[1] = SystemContext.SystemContextAArch64->LR;\r
+ }\r
+ for (Fp = RootFp; Fp[0] != 0; Fp = (UINT64 *)Fp[0]) {\r
+ Pdb = GetImageName (Fp[1], &ImageBase, &PeCoffSizeOfHeader);\r
+ if (Pdb != NULL) {\r
+ if (Pdb != PrevPdb) {\r
+ Idx++;\r
+ PrevPdb = Pdb;\r
+ }\r
+ DEBUG ((EFI_D_ERROR, "PC 0x%012lx (0x%012lx+0x%08x) [% 2d] %a\n",\r
+ Fp[1], ImageBase, Fp[1] - ImageBase, Idx, BaseName (Pdb)));\r
+ } else {\r
+ DEBUG ((EFI_D_ERROR, "PC 0x%012lx\n", Fp[1]));\r
+ }\r
+ }\r
+ PrevPdb = Pdb = GetImageName (SystemContext.SystemContextAArch64->ELR, &ImageBase, &PeCoffSizeOfHeader);\r
+ if (Pdb != NULL) {\r
+ DEBUG ((EFI_D_ERROR, "\n[ 0] %a\n", Pdb));\r
+ }\r
+\r
+ Idx = 0;\r
+ for (Fp = RootFp; Fp[0] != 0; Fp = (UINT64 *)Fp[0]) {\r
+ Pdb = GetImageName (Fp[1], &ImageBase, &PeCoffSizeOfHeader);\r
+ if (Pdb != NULL && Pdb != PrevPdb) {\r
+ DEBUG ((EFI_D_ERROR, "[% 2d] %a\n", ++Idx, Pdb));\r
+ PrevPdb = Pdb;\r
+ }\r
+ }\r
}\r
DEBUG_CODE_END ();\r
\r
DEBUG ((EFI_D_ERROR, "\n ESR : EC 0x%02x IL 0x%x ISS 0x%08x\n", (SystemContext.SystemContextAArch64->ESR & 0xFC000000) >> 26, (SystemContext.SystemContextAArch64->ESR >> 25) & 0x1, SystemContext.SystemContextAArch64->ESR & 0x1FFFFFF ));\r
\r
DescribeExceptionSyndrome (SystemContext.SystemContextAArch64->ESR);\r
+\r
+ DEBUG ((EFI_D_ERROR, "\nStack dump:\n"));\r
+ for (Offset = -256; Offset < 256; Offset += 32) {\r
+ DEBUG ((EFI_D_ERROR, "%c %013lx: %016lx %016lx %016lx %016lx\n",\r
+ Offset == 0 ? '>' : ' ',\r
+ SystemContext.SystemContextAArch64->SP + Offset,\r
+ *(UINT64 *)(SystemContext.SystemContextAArch64->SP + Offset),\r
+ *(UINT64 *)(SystemContext.SystemContextAArch64->SP + Offset + 8),\r
+ *(UINT64 *)(SystemContext.SystemContextAArch64->SP + Offset + 16),\r
+ *(UINT64 *)(SystemContext.SystemContextAArch64->SP + Offset + 24)));\r
+ }\r
+\r
ASSERT (FALSE);\r
+ CpuDeadLoop ();\r
}\r
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