]> git.proxmox.com Git - mirror_edk2.git/blame_incremental - ArmPkg/Library/DefaultExceptionHandlerLib/AArch64/DefaultExceptionHandler.c
projects / mirror_edk2.git / blame_incremental
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (non-incremental) | history | HEAD
ArmPkg: Change use of EFI_D_* to DEBUG_*
[mirror_edk2.git] / ArmPkg / Library / DefaultExceptionHandlerLib / AArch64 / DefaultExceptionHandler.c
... / ...
CommitLineData
1/** @file\r
2 Default exception handler\r
3\r
4 Copyright (c) 2008 - 2010, Apple Inc. All rights reserved.<BR>\r
5 Copyright (c) 2011 - 2014, ARM Ltd. All rights reserved.<BR>\r
6\r
7 SPDX-License-Identifier: BSD-2-Clause-Patent\r
8\r
9**/\r
10\r
11#include <Uefi.h>\r
12#include <Library/UefiLib.h>\r
13#include <Library/BaseLib.h>\r
14#include <Library/DebugLib.h>\r
15#include <Library/PeCoffGetEntryPointLib.h>\r
16#include <Library/PrintLib.h>\r
17#include <Library/ArmDisassemblerLib.h>\r
18#include <Library/SerialPortLib.h>\r
19#include <Library/UefiBootServicesTableLib.h>\r
20\r
21#include <Guid/DebugImageInfoTable.h>\r
22#include <Protocol/DebugSupport.h>\r
23#include <Protocol/LoadedImage.h>\r
24\r
25STATIC CHAR8 *gExceptionTypeString[] = {\r
26 "Synchronous",\r
27 "IRQ",\r
28 "FIQ",\r
29 "SError"\r
30};\r
31\r
32STATIC BOOLEAN mRecursiveException;\r
33\r
34CHAR8 *\r
35GetImageName (\r
36 IN UINTN FaultAddress,\r
37 OUT UINTN *ImageBase,\r
38 OUT UINTN *PeCoffSizeOfHeaders\r
39 );\r
40\r
41STATIC\r
42VOID\r
43DescribeInstructionOrDataAbort (\r
44 IN CHAR8 *AbortType,\r
45 IN UINTN Iss\r
46 )\r
47{\r
48 CHAR8 *AbortCause;\r
49\r
50 switch (Iss & 0x3f) {\r
51 case 0x0: AbortCause = "Address size fault, zeroth level of translation or translation table base register"; break;\r
52 case 0x1: AbortCause = "Address size fault, first level"; break;\r
53 case 0x2: AbortCause = "Address size fault, second level"; break;\r
54 case 0x3: AbortCause = "Address size fault, third level"; break;\r
55 case 0x4: AbortCause = "Translation fault, zeroth level"; break;\r
56 case 0x5: AbortCause = "Translation fault, first level"; break;\r
57 case 0x6: AbortCause = "Translation fault, second level"; break;\r
58 case 0x7: AbortCause = "Translation fault, third level"; break;\r
59 case 0x9: AbortCause = "Access flag fault, first level"; break;\r
60 case 0xa: AbortCause = "Access flag fault, second level"; break;\r
61 case 0xb: AbortCause = "Access flag fault, third level"; break;\r
62 case 0xd: AbortCause = "Permission fault, first level"; break;\r
63 case 0xe: AbortCause = "Permission fault, second level"; break;\r
64 case 0xf: AbortCause = "Permission fault, third level"; break;\r
65 case 0x10: AbortCause = "Synchronous external abort"; break;\r
66 case 0x18: AbortCause = "Synchronous parity error on memory access"; break;\r
67 case 0x11: AbortCause = "Asynchronous external abort"; break;\r
68 case 0x19: AbortCause = "Asynchronous parity error on memory access"; break;\r
69 case 0x14: AbortCause = "Synchronous external abort on translation table walk, zeroth level"; break;\r
70 case 0x15: AbortCause = "Synchronous external abort on translation table walk, first level"; break;\r
71 case 0x16: AbortCause = "Synchronous external abort on translation table walk, second level"; break;\r
72 case 0x17: AbortCause = "Synchronous external abort on translation table walk, third level"; break;\r
73 case 0x1c: AbortCause = "Synchronous parity error on memory access on translation table walk, zeroth level"; break;\r
74 case 0x1d: AbortCause = "Synchronous parity error on memory access on translation table walk, first level"; break;\r
75 case 0x1e: AbortCause = "Synchronous parity error on memory access on translation table walk, second level"; break;\r
76 case 0x1f: AbortCause = "Synchronous parity error on memory access on translation table walk, third level"; break;\r
77 case 0x21: AbortCause = "Alignment fault"; break;\r
78 case 0x22: AbortCause = "Debug event"; break;\r
79 case 0x30: AbortCause = "TLB conflict abort"; break;\r
80 case 0x33:\r
81 case 0x34: AbortCause = "IMPLEMENTATION DEFINED"; break;\r
82 case 0x35:\r
83 case 0x36: AbortCause = "Domain fault"; break;\r
84 default: AbortCause = ""; break;\r
85 }\r
86\r
87 DEBUG ((DEBUG_ERROR, "\n%a: %a\n", AbortType, AbortCause));\r
88}\r
89\r
90STATIC\r
91VOID\r
92DescribeExceptionSyndrome (\r
93 IN UINT32 Esr\r
94 )\r
95{\r
96 CHAR8 *Message;\r
97 UINTN Ec;\r
98 UINTN Iss;\r
99\r
100 Ec = Esr >> 26;\r
101 Iss = Esr & 0x00ffffff;\r
102\r
103 switch (Ec) {\r
104 case 0x15: Message = "SVC executed in AArch64"; break;\r
105 case 0x20:\r
106 case 0x21: DescribeInstructionOrDataAbort ("Instruction abort", Iss); return;\r
107 case 0x22: Message = "PC alignment fault"; break;\r
108 case 0x23: Message = "SP alignment fault"; break;\r
109 case 0x24:\r
110 case 0x25: DescribeInstructionOrDataAbort ("Data abort", Iss); return;\r
111 default: return;\r
112 }\r
113\r
114 DEBUG ((DEBUG_ERROR, "\n %a \n", Message));\r
115}\r
116\r
117#ifndef MDEPKG_NDEBUG\r
118STATIC\r
119CONST CHAR8 *\r
120BaseName (\r
121 IN CONST CHAR8 *FullName\r
122 )\r
123{\r
124 CONST CHAR8 *Str;\r
125\r
126 Str = FullName + AsciiStrLen (FullName);\r
127\r
128 while (--Str > FullName) {\r
129 if (*Str == '/' || *Str == '\\') {\r
130 return Str + 1;\r
131 }\r
132 }\r
133 return Str;\r
134}\r
135#endif\r
136\r
137/**\r
138 This is the default action to take on an unexpected exception\r
139\r
140 Since this is exception context don't do anything crazy like try to allocate memory.\r
141\r
142 @param ExceptionType Type of the exception\r
143 @param SystemContext Register state at the time of the Exception\r
144\r
145**/\r
146VOID\r
147DefaultExceptionHandler (\r
148 IN EFI_EXCEPTION_TYPE ExceptionType,\r
149 IN OUT EFI_SYSTEM_CONTEXT SystemContext\r
150 )\r
151{\r
152 CHAR8 Buffer[100];\r
153 UINTN CharCount;\r
154 INT32 Offset;\r
155\r
156 if (mRecursiveException) {\r
157 STATIC CHAR8 CONST Message[] = "\nRecursive exception occurred while dumping the CPU state\n";\r
158\r
159 SerialPortWrite ((UINT8 *)Message, sizeof Message - 1);\r
160 if (gST->ConOut != NULL) {\r
161 AsciiPrint (Message);\r
162 }\r
163 CpuDeadLoop ();\r
164 }\r
165 mRecursiveException = TRUE;\r
166\r
167 CharCount = AsciiSPrint (Buffer,sizeof (Buffer),"\n\n%a Exception at 0x%016lx\n", gExceptionTypeString[ExceptionType], SystemContext.SystemContextAArch64->ELR);\r
168 SerialPortWrite ((UINT8 *) Buffer, CharCount);\r
169 if (gST->ConOut != NULL) {\r
170 AsciiPrint (Buffer);\r
171 }\r
172\r
173 DEBUG_CODE_BEGIN ();\r
174 CHAR8 *Pdb, *PrevPdb;\r
175 UINTN ImageBase;\r
176 UINTN PeCoffSizeOfHeader;\r
177 UINT64 *Fp;\r
178 UINT64 RootFp[2];\r
179 UINTN Idx;\r
180\r
181 PrevPdb = Pdb = GetImageName (SystemContext.SystemContextAArch64->ELR, &ImageBase, &PeCoffSizeOfHeader);\r
182 if (Pdb != NULL) {\r
183 DEBUG ((DEBUG_ERROR, "PC 0x%012lx (0x%012lx+0x%08x) [ 0] %a\n",\r
184 SystemContext.SystemContextAArch64->ELR, ImageBase,\r
185 SystemContext.SystemContextAArch64->ELR - ImageBase, BaseName (Pdb)));\r
186 } else {\r
187 DEBUG ((DEBUG_ERROR, "PC 0x%012lx\n", SystemContext.SystemContextAArch64->ELR));\r
188 }\r
189\r
190 if ((UINT64 *)SystemContext.SystemContextAArch64->FP != 0) {\r
191 Idx = 0;\r
192\r
193 RootFp[0] = ((UINT64 *)SystemContext.SystemContextAArch64->FP)[0];\r
194 RootFp[1] = ((UINT64 *)SystemContext.SystemContextAArch64->FP)[1];\r
195 if (RootFp[1] != SystemContext.SystemContextAArch64->LR) {\r
196 RootFp[0] = SystemContext.SystemContextAArch64->FP;\r
197 RootFp[1] = SystemContext.SystemContextAArch64->LR;\r
198 }\r
199 for (Fp = RootFp; Fp[0] != 0; Fp = (UINT64 *)Fp[0]) {\r
200 Pdb = GetImageName (Fp[1], &ImageBase, &PeCoffSizeOfHeader);\r
201 if (Pdb != NULL) {\r
202 if (Pdb != PrevPdb) {\r
203 Idx++;\r
204 PrevPdb = Pdb;\r
205 }\r
206 DEBUG ((DEBUG_ERROR, "PC 0x%012lx (0x%012lx+0x%08x) [% 2d] %a\n",\r
207 Fp[1], ImageBase, Fp[1] - ImageBase, Idx, BaseName (Pdb)));\r
208 } else {\r
209 DEBUG ((DEBUG_ERROR, "PC 0x%012lx\n", Fp[1]));\r
210 }\r
211 }\r
212 PrevPdb = Pdb = GetImageName (SystemContext.SystemContextAArch64->ELR, &ImageBase, &PeCoffSizeOfHeader);\r
213 if (Pdb != NULL) {\r
214 DEBUG ((DEBUG_ERROR, "\n[ 0] %a\n", Pdb));\r
215 }\r
216\r
217 Idx = 0;\r
218 for (Fp = RootFp; Fp[0] != 0; Fp = (UINT64 *)Fp[0]) {\r
219 Pdb = GetImageName (Fp[1], &ImageBase, &PeCoffSizeOfHeader);\r
220 if (Pdb != NULL && Pdb != PrevPdb) {\r
221 DEBUG ((DEBUG_ERROR, "[% 2d] %a\n", ++Idx, Pdb));\r
222 PrevPdb = Pdb;\r
223 }\r
224 }\r
225 }\r
226 DEBUG_CODE_END ();\r
227\r
228 DEBUG ((DEBUG_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
229 DEBUG ((DEBUG_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
230 DEBUG ((DEBUG_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
231 DEBUG ((DEBUG_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
232 DEBUG ((DEBUG_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
233 DEBUG ((DEBUG_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
234 DEBUG ((DEBUG_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
235 DEBUG ((DEBUG_ERROR, " X28 0x%016lx FP 0x%016lx LR 0x%016lx \n", SystemContext.SystemContextAArch64->X28, SystemContext.SystemContextAArch64->FP, SystemContext.SystemContextAArch64->LR));\r
236\r
237 /* We save these as 128bit numbers, but have to print them as two 64bit numbers,\r
238 so swap the 64bit words to correctly represent a 128bit number. */\r
239 DEBUG ((DEBUG_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
240 DEBUG ((DEBUG_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
241 DEBUG ((DEBUG_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
242 DEBUG ((DEBUG_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
243 DEBUG ((DEBUG_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
244 DEBUG ((DEBUG_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
245 DEBUG ((DEBUG_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
246 DEBUG ((DEBUG_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
247 DEBUG ((DEBUG_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
248 DEBUG ((DEBUG_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
249 DEBUG ((DEBUG_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
250 DEBUG ((DEBUG_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
251 DEBUG ((DEBUG_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
252 DEBUG ((DEBUG_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
253 DEBUG ((DEBUG_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
254 DEBUG ((DEBUG_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
255\r
256 DEBUG ((DEBUG_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
257\r
258 DEBUG ((DEBUG_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
259\r
260 DescribeExceptionSyndrome (SystemContext.SystemContextAArch64->ESR);\r
261\r
262 DEBUG ((DEBUG_ERROR, "\nStack dump:\n"));\r
263 for (Offset = -256; Offset < 256; Offset += 32) {\r
264 DEBUG ((DEBUG_ERROR, "%c %013lx: %016lx %016lx %016lx %016lx\n",\r
265 Offset == 0 ? '>' : ' ',\r
266 SystemContext.SystemContextAArch64->SP + Offset,\r
267 *(UINT64 *)(SystemContext.SystemContextAArch64->SP + Offset),\r
268 *(UINT64 *)(SystemContext.SystemContextAArch64->SP + Offset + 8),\r
269 *(UINT64 *)(SystemContext.SystemContextAArch64->SP + Offset + 16),\r
270 *(UINT64 *)(SystemContext.SystemContextAArch64->SP + Offset + 24)));\r
271 }\r
272\r
273 ASSERT (FALSE);\r
274 CpuDeadLoop ();\r
275}\r
EFI Development Kit II mirror for PVE