projects / mirror_edk2.git / blame
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|---|---|---|
| 25402f5d HL |
1 | /** @file\r |
| 2 | Default exception handler\r | |
| 3 | \r | |
| 4 | Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>\r | |
| 451b6658 | 5 | Copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>\r |
| 25402f5d HL |
6 | \r |
| 7 | This program and the accompanying materials\r | |
| 8 | are licensed and made available under the terms and conditions of the BSD License\r | |
| 9 | which accompanies this distribution. The full text of the license may be found at\r | |
| 10 | http://opensource.org/licenses/bsd-license.php\r | |
| 11 | \r | |
| 12 | THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 13 | WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 14 | \r | |
| 15 | **/\r | |
| 16 | \r | |
| 17 | #include <Uefi.h>\r | |
| 18 | #include <Library/UefiLib.h>\r | |
| 19 | #include <Library/BaseLib.h>\r | |
| 20 | #include <Library/DebugLib.h>\r | |
| 21 | #include <Library/PeCoffGetEntryPointLib.h>\r | |
| 22 | #include <Library/PrintLib.h>\r | |
| 23 | #include <Library/ArmDisassemblerLib.h>\r | |
| 24 | #include <Library/SerialPortLib.h>\r | |
| 25 | \r | |
| 26 | #include <Guid/DebugImageInfoTable.h>\r | |
| 27 | #include <Protocol/DebugSupport.h>\r | |
| 28 | #include <Protocol/LoadedImage.h>\r | |
| 29 | \r | |
| 25402f5d HL |
30 | STATIC CHAR8 *gExceptionTypeString[] = {\r |
| 31 | "Synchronous",\r | |
| 32 | "IRQ",\r | |
| 33 | "FIQ",\r | |
| 34 | "SError"\r | |
| 35 | };\r | |
| 36 | \r | |
| 37 | CHAR8 *\r | |
| 38 | GetImageName (\r | |
| 39 | IN UINTN FaultAddress,\r | |
| 40 | OUT UINTN *ImageBase,\r | |
| 41 | OUT UINTN *PeCoffSizeOfHeaders\r | |
| 42 | );\r | |
| 43 | \r | |
| 451b6658 OM |
44 | STATIC\r |
| 45 | VOID\r | |
| 46 | DescribeInstructionOrDataAbort (\r | |
| 47 | IN CHAR8 *AbortType,\r | |
| 48 | IN UINTN Iss\r | |
| 49 | )\r | |
| 50 | {\r | |
| 51 | CHAR8 *AbortCause;\r | |
| 52 | \r | |
| 53 | switch (Iss & 0x3f) {\r | |
| 54 | case 0x0: AbortCause = "Address size fault, zeroth level of translation or translation table base register"; break;\r | |
| 55 | case 0x1: AbortCause = "Address size fault, first level"; break;\r | |
| 56 | case 0x2: AbortCause = "Address size fault, second level"; break;\r | |
| 57 | case 0x3: AbortCause = "Address size fault, third level"; break;\r | |
| 58 | case 0x4: AbortCause = "Translation fault, zeroth level"; break;\r | |
| 59 | case 0x5: AbortCause = "Translation fault, first level"; break;\r | |
| 60 | case 0x6: AbortCause = "Translation fault, second level"; break;\r | |
| 61 | case 0x7: AbortCause = "Translation fault, third level"; break;\r | |
| 62 | case 0x9: AbortCause = "Access flag fault, first level"; break;\r | |
| 63 | case 0xa: AbortCause = "Access flag fault, second level"; break;\r | |
| 64 | case 0xb: AbortCause = "Access flag fault, third level"; break;\r | |
| 65 | case 0xd: AbortCause = "Permission fault, first level"; break;\r | |
| 66 | case 0xe: AbortCause = "Permission fault, second level"; break;\r | |
| 67 | case 0xf: AbortCause = "Permission fault, third level"; break;\r | |
| 68 | case 0x10: AbortCause = "Synchronous external abort"; break;\r | |
| 69 | case 0x18: AbortCause = "Synchronous parity error on memory access"; break;\r | |
| 70 | case 0x11: AbortCause = "Asynchronous external abort"; break;\r | |
| 71 | case 0x19: AbortCause = "Asynchronous parity error on memory access"; break;\r | |
| 72 | case 0x14: AbortCause = "Synchronous external abort on translation table walk, zeroth level"; break;\r | |
| 73 | case 0x15: AbortCause = "Synchronous external abort on translation table walk, first level"; break;\r | |
| 74 | case 0x16: AbortCause = "Synchronous external abort on translation table walk, second level"; break;\r | |
| 75 | case 0x17: AbortCause = "Synchronous external abort on translation table walk, third level"; break;\r | |
| 76 | case 0x1c: AbortCause = "Synchronous parity error on memory access on translation table walk, zeroth level"; break;\r | |
| 77 | case 0x1d: AbortCause = "Synchronous parity error on memory access on translation table walk, first level"; break;\r | |
| 78 | case 0x1e: AbortCause = "Synchronous parity error on memory access on translation table walk, second level"; break;\r | |
| 79 | case 0x1f: AbortCause = "Synchronous parity error on memory access on translation table walk, third level"; break;\r | |
| 80 | case 0x21: AbortCause = "Alignment fault"; break;\r | |
| 81 | case 0x22: AbortCause = "Debug event"; break;\r | |
| 82 | case 0x30: AbortCause = "TLB conflict abort"; break;\r | |
| 83 | case 0x33:\r | |
| 84 | case 0x34: AbortCause = "IMPLEMENTATION DEFINED"; break;\r | |
| 85 | case 0x35:\r | |
| 86 | case 0x36: AbortCause = "Domain fault"; break;\r | |
| 87 | default: AbortCause = ""; break;\r | |
| 88 | }\r | |
| 89 | \r | |
| 90 | DEBUG ((EFI_D_ERROR, "\n%a: %a\n", AbortType, AbortCause));\r | |
| 91 | }\r | |
| 92 | \r | |
| 93 | STATIC\r | |
| 94 | VOID\r | |
| 95 | DescribeExceptionSyndrome (\r | |
| 96 | IN UINT32 Esr\r | |
| 97 | )\r | |
| 98 | {\r | |
| 99 | CHAR8 *Message;\r | |
| 100 | UINTN Ec;\r | |
| 101 | UINTN Iss;\r | |
| 102 | \r | |
| 103 | Ec = Esr >> 26;\r | |
| 104 | Iss = Esr & 0x00ffffff;\r | |
| 105 | \r | |
| 106 | switch (Ec) {\r | |
| 107 | case 0x15: Message = "SVC executed in AArch64"; break;\r | |
| 108 | case 0x20:\r | |
| 109 | case 0x21: DescribeInstructionOrDataAbort ("Instruction abort", Iss); return;\r | |
| 110 | case 0x22: Message = "PC alignment fault"; break;\r | |
| 111 | case 0x23: Message = "SP alignment fault"; break;\r | |
| 112 | case 0x24:\r | |
| 113 | case 0x25: DescribeInstructionOrDataAbort ("Data abort", Iss); return;\r | |
| 114 | default: return;\r | |
| 115 | }\r | |
| 116 | \r | |
| 117 | DEBUG ((EFI_D_ERROR, "\n %a \n", Message));\r | |
| 118 | }\r | |
| 119 | \r | |
| 25402f5d HL |
120 | /**\r |
| 121 | This is the default action to take on an unexpected exception\r | |
| 122 | \r | |
| 123 | Since this is exception context don't do anything crazy like try to allcoate memory.\r | |
| 124 | \r | |
| 125 | @param ExceptionType Type of the exception\r | |
| 126 | @param SystemContext Register state at the time of the Exception\r | |
| 127 | \r | |
| 128 | **/\r | |
| 129 | VOID\r | |
| 130 | DefaultExceptionHandler (\r | |
| 131 | IN EFI_EXCEPTION_TYPE ExceptionType,\r | |
| 132 | IN OUT EFI_SYSTEM_CONTEXT SystemContext\r | |
| 133 | )\r | |
| 134 | {\r | |
| 135 | CHAR8 Buffer[100];\r | |
| 136 | UINTN CharCount;\r | |
| 137 | \r | |
| 451b6658 | 138 | CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"\n\n%a Exception at 0x%016lx\n", gExceptionTypeString[ExceptionType], SystemContext.SystemContextAArch64->ELR);\r |
| 25402f5d HL |
139 | SerialPortWrite ((UINT8 *) Buffer, CharCount);\r |
| 140 | \r | |
| 141 | DEBUG_CODE_BEGIN ();\r | |
| 142 | CHAR8 *Pdb;\r | |
| 143 | UINTN ImageBase;\r | |
| 144 | UINTN PeCoffSizeOfHeader;\r | |
| 145 | Pdb = GetImageName (SystemContext.SystemContextAArch64->ELR, &ImageBase, &PeCoffSizeOfHeader);\r | |
| 146 | if (Pdb != NULL) {\r | |
| 147 | DEBUG ((EFI_D_ERROR, "%a loaded at 0x%016lx \n", Pdb, ImageBase));\r | |
| 148 | }\r | |
| 149 | DEBUG_CODE_END ();\r | |
| 150 | \r | |
| 151 | DEBUG ((EFI_D_ERROR, "\n X0 0x%016lx X1 0x%016lx X2 0x%016lx X3 0x%016lx\n", SystemContext.SystemContextAArch64->X0, SystemContext.SystemContextAArch64->X1, SystemContext.SystemContextAArch64->X2, SystemContext.SystemContextAArch64->X3));\r | |
| 152 | DEBUG ((EFI_D_ERROR, " X4 0x%016lx X5 0x%016lx X6 0x%016lx X7 0x%016lx\n", SystemContext.SystemContextAArch64->X4, SystemContext.SystemContextAArch64->X5, SystemContext.SystemContextAArch64->X6, SystemContext.SystemContextAArch64->X7));\r | |
| 153 | DEBUG ((EFI_D_ERROR, " X8 0x%016lx X9 0x%016lx X10 0x%016lx X11 0x%016lx\n", SystemContext.SystemContextAArch64->X8, SystemContext.SystemContextAArch64->X9, SystemContext.SystemContextAArch64->X10, SystemContext.SystemContextAArch64->X11));\r | |
| 154 | DEBUG ((EFI_D_ERROR, " X12 0x%016lx X13 0x%016lx X14 0x%016lx X15 0x%016lx\n", SystemContext.SystemContextAArch64->X12, SystemContext.SystemContextAArch64->X13, SystemContext.SystemContextAArch64->X14, SystemContext.SystemContextAArch64->X15));\r | |
| 155 | DEBUG ((EFI_D_ERROR, " X16 0x%016lx X17 0x%016lx X18 0x%016lx X19 0x%016lx\n", SystemContext.SystemContextAArch64->X16, SystemContext.SystemContextAArch64->X17, SystemContext.SystemContextAArch64->X18, SystemContext.SystemContextAArch64->X19));\r | |
| 156 | DEBUG ((EFI_D_ERROR, " X20 0x%016lx X21 0x%016lx X22 0x%016lx X23 0x%016lx\n", SystemContext.SystemContextAArch64->X20, SystemContext.SystemContextAArch64->X21, SystemContext.SystemContextAArch64->X22, SystemContext.SystemContextAArch64->X23));\r | |
| 157 | DEBUG ((EFI_D_ERROR, " X24 0x%016lx X25 0x%016lx X26 0x%016lx X27 0x%016lx\n", SystemContext.SystemContextAArch64->X24, SystemContext.SystemContextAArch64->X25, SystemContext.SystemContextAArch64->X26, SystemContext.SystemContextAArch64->X27));\r | |
| 158 | DEBUG ((EFI_D_ERROR, " X28 0x%016lx FP 0x%016lx LR 0x%016lx \n", SystemContext.SystemContextAArch64->X28, SystemContext.SystemContextAArch64->FP, SystemContext.SystemContextAArch64->LR));\r | |
| 159 | \r | |
| 160 | /* We save these as 128bit numbers, but have to print them as two 64bit numbers,\r | |
| 161 | so swap the 64bit words to correctly represent a 128bit number. */\r | |
| 162 | DEBUG ((EFI_D_ERROR, "\n V0 0x%016lx %016lx V1 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V0[1], SystemContext.SystemContextAArch64->V0[0], SystemContext.SystemContextAArch64->V1[1], SystemContext.SystemContextAArch64->V1[0]));\r | |
| 163 | DEBUG ((EFI_D_ERROR, " V2 0x%016lx %016lx V3 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V2[1], SystemContext.SystemContextAArch64->V2[0], SystemContext.SystemContextAArch64->V3[1], SystemContext.SystemContextAArch64->V3[0]));\r | |
| 164 | DEBUG ((EFI_D_ERROR, " V4 0x%016lx %016lx V5 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V4[1], SystemContext.SystemContextAArch64->V4[0], SystemContext.SystemContextAArch64->V5[1], SystemContext.SystemContextAArch64->V5[0]));\r | |
| 165 | DEBUG ((EFI_D_ERROR, " V6 0x%016lx %016lx V7 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V6[1], SystemContext.SystemContextAArch64->V6[0], SystemContext.SystemContextAArch64->V7[1], SystemContext.SystemContextAArch64->V7[0]));\r | |
| 166 | DEBUG ((EFI_D_ERROR, " V8 0x%016lx %016lx V9 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V8[1], SystemContext.SystemContextAArch64->V8[0], SystemContext.SystemContextAArch64->V9[1], SystemContext.SystemContextAArch64->V9[0]));\r | |
| 167 | DEBUG ((EFI_D_ERROR, " V10 0x%016lx %016lx V11 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V10[1], SystemContext.SystemContextAArch64->V10[0], SystemContext.SystemContextAArch64->V11[1], SystemContext.SystemContextAArch64->V11[0]));\r | |
| 168 | DEBUG ((EFI_D_ERROR, " V12 0x%016lx %016lx V13 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V12[1], SystemContext.SystemContextAArch64->V12[0], SystemContext.SystemContextAArch64->V13[1], SystemContext.SystemContextAArch64->V13[0]));\r | |
| 169 | DEBUG ((EFI_D_ERROR, " V14 0x%016lx %016lx V15 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V14[1], SystemContext.SystemContextAArch64->V14[0], SystemContext.SystemContextAArch64->V15[1], SystemContext.SystemContextAArch64->V15[0]));\r | |
| 170 | DEBUG ((EFI_D_ERROR, " V16 0x%016lx %016lx V17 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V16[1], SystemContext.SystemContextAArch64->V16[0], SystemContext.SystemContextAArch64->V17[1], SystemContext.SystemContextAArch64->V17[0]));\r | |
| 171 | DEBUG ((EFI_D_ERROR, " V18 0x%016lx %016lx V19 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V18[1], SystemContext.SystemContextAArch64->V18[0], SystemContext.SystemContextAArch64->V19[1], SystemContext.SystemContextAArch64->V19[0]));\r | |
| 172 | DEBUG ((EFI_D_ERROR, " V20 0x%016lx %016lx V21 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V20[1], SystemContext.SystemContextAArch64->V20[0], SystemContext.SystemContextAArch64->V21[1], SystemContext.SystemContextAArch64->V21[0]));\r | |
| 173 | DEBUG ((EFI_D_ERROR, " V22 0x%016lx %016lx V23 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V22[1], SystemContext.SystemContextAArch64->V22[0], SystemContext.SystemContextAArch64->V23[1], SystemContext.SystemContextAArch64->V23[0]));\r | |
| 174 | DEBUG ((EFI_D_ERROR, " V24 0x%016lx %016lx V25 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V24[1], SystemContext.SystemContextAArch64->V24[0], SystemContext.SystemContextAArch64->V25[1], SystemContext.SystemContextAArch64->V25[0]));\r | |
| 175 | DEBUG ((EFI_D_ERROR, " V26 0x%016lx %016lx V27 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V26[1], SystemContext.SystemContextAArch64->V26[0], SystemContext.SystemContextAArch64->V27[1], SystemContext.SystemContextAArch64->V27[0]));\r | |
| 176 | DEBUG ((EFI_D_ERROR, " V28 0x%016lx %016lx V29 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V28[1], SystemContext.SystemContextAArch64->V28[0], SystemContext.SystemContextAArch64->V29[1], SystemContext.SystemContextAArch64->V29[0]));\r | |
| 177 | DEBUG ((EFI_D_ERROR, " V30 0x%016lx %016lx V31 0x%016lx %016lx\n", SystemContext.SystemContextAArch64->V30[1], SystemContext.SystemContextAArch64->V30[0], SystemContext.SystemContextAArch64->V31[1], SystemContext.SystemContextAArch64->V31[0]));\r | |
| 178 | \r | |
| 179 | DEBUG ((EFI_D_ERROR, "\n SP 0x%016lx ELR 0x%016lx SPSR 0x%08lx FPSR 0x%08lx\n ESR 0x%08lx FAR 0x%016lx\n", SystemContext.SystemContextAArch64->SP, SystemContext.SystemContextAArch64->ELR, SystemContext.SystemContextAArch64->SPSR, SystemContext.SystemContextAArch64->FPSR, SystemContext.SystemContextAArch64->ESR, SystemContext.SystemContextAArch64->FAR));\r | |
| 180 | \r | |
| 181 | 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 | |
| 182 | \r | |
| 451b6658 | 183 | DescribeExceptionSyndrome (SystemContext.SystemContextAArch64->ESR);\r |
| 25402f5d HL |
184 | ASSERT (FALSE);\r |
| 185 | }\r |