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Commit | Line | Data |
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2da91b54 | 1 | /* |
ac978771 | 2 | * Windows crashdump (target specific implementations) |
2da91b54 VP |
3 | * |
4 | * Copyright (c) 2018 Virtuozzo International GmbH | |
5 | * | |
6 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
7 | * See the COPYING file in the top-level directory. | |
8 | * | |
9 | */ | |
10 | ||
11 | #include "qemu/osdep.h" | |
2da91b54 | 12 | #include "sysemu/dump.h" |
2da91b54 | 13 | #include "qapi/error.h" |
cc37d98b | 14 | #include "qemu/error-report.h" |
2da91b54 | 15 | #include "qapi/qmp/qerror.h" |
ac978771 PMD |
16 | #include "exec/cpu-defs.h" |
17 | #include "hw/core/cpu.h" | |
18 | #include "qemu/win_dump_defs.h" | |
2da91b54 | 19 | #include "win_dump.h" |
ac978771 | 20 | #include "cpu.h" |
2da91b54 | 21 | |
efc3146a PMD |
22 | #if defined(TARGET_X86_64) |
23 | ||
24 | bool win_dump_available(Error **errp) | |
25 | { | |
26 | return true; | |
27 | } | |
28 | ||
f5daa829 VP |
29 | static size_t win_dump_ptr_size(bool x64) |
30 | { | |
31 | return x64 ? sizeof(uint64_t) : sizeof(uint32_t); | |
32 | } | |
fb21efe9 | 33 | |
f5daa829 | 34 | #define _WIN_DUMP_FIELD(f) (x64 ? h->x64.f : h->x32.f) |
fb21efe9 VP |
35 | #define WIN_DUMP_FIELD(field) _WIN_DUMP_FIELD(field) |
36 | ||
f5daa829 | 37 | #define _WIN_DUMP_FIELD_PTR(f) (x64 ? (void *)&h->x64.f : (void *)&h->x32.f) |
fb21efe9 VP |
38 | #define WIN_DUMP_FIELD_PTR(field) _WIN_DUMP_FIELD_PTR(field) |
39 | ||
f5daa829 | 40 | #define _WIN_DUMP_FIELD_SIZE(f) (x64 ? sizeof(h->x64.f) : sizeof(h->x32.f)) |
fb21efe9 VP |
41 | #define WIN_DUMP_FIELD_SIZE(field) _WIN_DUMP_FIELD_SIZE(field) |
42 | ||
f5daa829 VP |
43 | static size_t win_dump_ctx_size(bool x64) |
44 | { | |
45 | return x64 ? sizeof(WinContext64) : sizeof(WinContext32); | |
46 | } | |
fb21efe9 VP |
47 | |
48 | static size_t write_run(uint64_t base_page, uint64_t page_count, | |
49 | int fd, Error **errp) | |
2da91b54 VP |
50 | { |
51 | void *buf; | |
fb21efe9 VP |
52 | uint64_t addr = base_page << TARGET_PAGE_BITS; |
53 | uint64_t size = page_count << TARGET_PAGE_BITS; | |
7184de64 VP |
54 | uint64_t len, l; |
55 | size_t total = 0; | |
2da91b54 | 56 | |
7184de64 VP |
57 | while (size) { |
58 | len = size; | |
2da91b54 | 59 | |
7184de64 VP |
60 | buf = cpu_physical_memory_map(addr, &len, false); |
61 | if (!buf) { | |
62 | error_setg(errp, "win-dump: failed to map physical range" | |
63 | " 0x%016" PRIx64 "-0x%016" PRIx64, addr, addr + size - 1); | |
64 | return 0; | |
65 | } | |
2da91b54 | 66 | |
7184de64 VP |
67 | l = qemu_write_full(fd, buf, len); |
68 | cpu_physical_memory_unmap(buf, addr, false, len); | |
69 | if (l != len) { | |
70 | error_setg(errp, QERR_IO_ERROR); | |
71 | return 0; | |
72 | } | |
73 | ||
74 | addr += l; | |
75 | size -= l; | |
76 | total += l; | |
77 | } | |
2da91b54 | 78 | |
7184de64 | 79 | return total; |
2da91b54 VP |
80 | } |
81 | ||
f5daa829 | 82 | static void write_runs(DumpState *s, WinDumpHeader *h, bool x64, Error **errp) |
2da91b54 | 83 | { |
fb21efe9 | 84 | uint64_t BasePage, PageCount; |
2da91b54 VP |
85 | Error *local_err = NULL; |
86 | int i; | |
87 | ||
fb21efe9 VP |
88 | for (i = 0; i < WIN_DUMP_FIELD(PhysicalMemoryBlock.NumberOfRuns); i++) { |
89 | BasePage = WIN_DUMP_FIELD(PhysicalMemoryBlock.Run[i].BasePage); | |
90 | PageCount = WIN_DUMP_FIELD(PhysicalMemoryBlock.Run[i].PageCount); | |
91 | s->written_size += write_run(BasePage, PageCount, s->fd, &local_err); | |
2da91b54 VP |
92 | if (local_err) { |
93 | error_propagate(errp, local_err); | |
94 | return; | |
95 | } | |
96 | } | |
97 | } | |
98 | ||
f5daa829 | 99 | static int cpu_read_ptr(bool x64, CPUState *cpu, uint64_t addr, uint64_t *ptr) |
fb21efe9 VP |
100 | { |
101 | int ret; | |
f5daa829 | 102 | uint32_t ptr32; |
fb21efe9 VP |
103 | uint64_t ptr64; |
104 | ||
f5daa829 VP |
105 | ret = cpu_memory_rw_debug(cpu, addr, x64 ? (void *)&ptr64 : (void *)&ptr32, |
106 | win_dump_ptr_size(x64), 0); | |
fb21efe9 | 107 | |
f5daa829 | 108 | *ptr = x64 ? ptr64 : ptr32; |
fb21efe9 VP |
109 | |
110 | return ret; | |
111 | } | |
112 | ||
f5daa829 | 113 | static void patch_mm_pfn_database(WinDumpHeader *h, bool x64, Error **errp) |
2da91b54 VP |
114 | { |
115 | if (cpu_memory_rw_debug(first_cpu, | |
f5daa829 | 116 | WIN_DUMP_FIELD(KdDebuggerDataBlock) + KDBG_MM_PFN_DATABASE_OFFSET, |
fb21efe9 VP |
117 | WIN_DUMP_FIELD_PTR(PfnDatabase), |
118 | WIN_DUMP_FIELD_SIZE(PfnDatabase), 0)) { | |
2da91b54 VP |
119 | error_setg(errp, "win-dump: failed to read MmPfnDatabase"); |
120 | return; | |
121 | } | |
122 | } | |
123 | ||
f5daa829 | 124 | static void patch_bugcheck_data(WinDumpHeader *h, bool x64, Error **errp) |
2da91b54 VP |
125 | { |
126 | uint64_t KiBugcheckData; | |
127 | ||
f5daa829 VP |
128 | if (cpu_read_ptr(x64, first_cpu, |
129 | WIN_DUMP_FIELD(KdDebuggerDataBlock) + KDBG_KI_BUGCHECK_DATA_OFFSET, | |
fb21efe9 | 130 | &KiBugcheckData)) { |
2da91b54 VP |
131 | error_setg(errp, "win-dump: failed to read KiBugcheckData"); |
132 | return; | |
133 | } | |
134 | ||
fb21efe9 VP |
135 | if (cpu_memory_rw_debug(first_cpu, KiBugcheckData, |
136 | WIN_DUMP_FIELD(BugcheckData), | |
137 | WIN_DUMP_FIELD_SIZE(BugcheckData), 0)) { | |
2da91b54 VP |
138 | error_setg(errp, "win-dump: failed to read bugcheck data"); |
139 | return; | |
140 | } | |
2ad9b50f VP |
141 | |
142 | /* | |
143 | * If BugcheckCode wasn't saved, we consider guest OS as alive. | |
144 | */ | |
145 | ||
fb21efe9 VP |
146 | if (!WIN_DUMP_FIELD(BugcheckCode)) { |
147 | *(uint32_t *)WIN_DUMP_FIELD_PTR(BugcheckCode) = LIVE_SYSTEM_DUMP; | |
2ad9b50f | 148 | } |
2da91b54 VP |
149 | } |
150 | ||
151 | /* | |
152 | * This routine tries to correct mistakes in crashdump header. | |
153 | */ | |
f5daa829 | 154 | static void patch_header(WinDumpHeader *h, bool x64) |
2da91b54 VP |
155 | { |
156 | Error *local_err = NULL; | |
157 | ||
f5daa829 VP |
158 | if (x64) { |
159 | h->x64.RequiredDumpSpace = sizeof(WinDumpHeader64) + | |
160 | (h->x64.PhysicalMemoryBlock.NumberOfPages << TARGET_PAGE_BITS); | |
161 | h->x64.PhysicalMemoryBlock.unused = 0; | |
162 | h->x64.unused1 = 0; | |
163 | } else { | |
164 | h->x32.RequiredDumpSpace = sizeof(WinDumpHeader32) + | |
165 | (h->x32.PhysicalMemoryBlock.NumberOfPages << TARGET_PAGE_BITS); | |
166 | } | |
2da91b54 | 167 | |
f5daa829 | 168 | patch_mm_pfn_database(h, x64, &local_err); |
2da91b54 VP |
169 | if (local_err) { |
170 | warn_report_err(local_err); | |
171 | local_err = NULL; | |
172 | } | |
f5daa829 | 173 | patch_bugcheck_data(h, x64, &local_err); |
2da91b54 VP |
174 | if (local_err) { |
175 | warn_report_err(local_err); | |
176 | } | |
177 | } | |
178 | ||
f5daa829 | 179 | static bool check_header(WinDumpHeader *h, bool *x64, Error **errp) |
2da91b54 VP |
180 | { |
181 | const char Signature[] = "PAGE"; | |
2da91b54 VP |
182 | |
183 | if (memcmp(h->Signature, Signature, sizeof(h->Signature))) { | |
184 | error_setg(errp, "win-dump: invalid header, expected '%.4s'," | |
185 | " got '%.4s'", Signature, h->Signature); | |
f5daa829 | 186 | return false; |
2da91b54 VP |
187 | } |
188 | ||
f5daa829 VP |
189 | if (!memcmp(h->ValidDump, "DUMP", sizeof(h->ValidDump))) { |
190 | *x64 = false; | |
191 | } else if (!memcmp(h->ValidDump, "DU64", sizeof(h->ValidDump))) { | |
192 | *x64 = true; | |
193 | } else { | |
194 | error_setg(errp, "win-dump: invalid header, expected 'DUMP' or 'DU64'," | |
195 | " got '%.4s'", h->ValidDump); | |
196 | return false; | |
2da91b54 | 197 | } |
f5daa829 VP |
198 | |
199 | return true; | |
2da91b54 VP |
200 | } |
201 | ||
f5daa829 | 202 | static void check_kdbg(WinDumpHeader *h, bool x64, Error **errp) |
2da91b54 VP |
203 | { |
204 | const char OwnerTag[] = "KDBG"; | |
205 | char read_OwnerTag[4]; | |
fb21efe9 | 206 | uint64_t KdDebuggerDataBlock = WIN_DUMP_FIELD(KdDebuggerDataBlock); |
2ababfcc | 207 | bool try_fallback = true; |
2da91b54 | 208 | |
2ababfcc | 209 | try_again: |
2da91b54 | 210 | if (cpu_memory_rw_debug(first_cpu, |
f5daa829 | 211 | KdDebuggerDataBlock + KDBG_OWNER_TAG_OFFSET, |
2da91b54 VP |
212 | (uint8_t *)&read_OwnerTag, sizeof(read_OwnerTag), 0)) { |
213 | error_setg(errp, "win-dump: failed to read OwnerTag"); | |
214 | return; | |
215 | } | |
216 | ||
217 | if (memcmp(read_OwnerTag, OwnerTag, sizeof(read_OwnerTag))) { | |
2ababfcc VP |
218 | if (try_fallback) { |
219 | /* | |
220 | * If attempt to use original KDBG failed | |
221 | * (most likely because of its encryption), | |
222 | * we try to use KDBG obtained by guest driver. | |
223 | */ | |
224 | ||
fb21efe9 | 225 | KdDebuggerDataBlock = WIN_DUMP_FIELD(BugcheckParameter1); |
2ababfcc VP |
226 | try_fallback = false; |
227 | goto try_again; | |
228 | } else { | |
229 | error_setg(errp, "win-dump: invalid KDBG OwnerTag," | |
230 | " expected '%.4s', got '%.4s'", | |
231 | OwnerTag, read_OwnerTag); | |
232 | return; | |
233 | } | |
2da91b54 | 234 | } |
2ababfcc | 235 | |
f5daa829 VP |
236 | if (x64) { |
237 | h->x64.KdDebuggerDataBlock = KdDebuggerDataBlock; | |
238 | } else { | |
239 | h->x32.KdDebuggerDataBlock = KdDebuggerDataBlock; | |
240 | } | |
2da91b54 VP |
241 | } |
242 | ||
2ad9b50f | 243 | struct saved_context { |
f5daa829 | 244 | WinContext ctx; |
2ad9b50f VP |
245 | uint64_t addr; |
246 | }; | |
247 | ||
f5daa829 | 248 | static void patch_and_save_context(WinDumpHeader *h, bool x64, |
2ad9b50f VP |
249 | struct saved_context *saved_ctx, |
250 | Error **errp) | |
251 | { | |
fb21efe9 | 252 | uint64_t KdDebuggerDataBlock = WIN_DUMP_FIELD(KdDebuggerDataBlock); |
2ad9b50f VP |
253 | uint64_t KiProcessorBlock; |
254 | uint16_t OffsetPrcbContext; | |
255 | CPUState *cpu; | |
256 | int i = 0; | |
257 | ||
f5daa829 VP |
258 | if (cpu_read_ptr(x64, first_cpu, |
259 | KdDebuggerDataBlock + KDBG_KI_PROCESSOR_BLOCK_OFFSET, | |
fb21efe9 | 260 | &KiProcessorBlock)) { |
2ad9b50f VP |
261 | error_setg(errp, "win-dump: failed to read KiProcessorBlock"); |
262 | return; | |
263 | } | |
264 | ||
265 | if (cpu_memory_rw_debug(first_cpu, | |
f5daa829 | 266 | KdDebuggerDataBlock + KDBG_OFFSET_PRCB_CONTEXT_OFFSET, |
2ad9b50f VP |
267 | (uint8_t *)&OffsetPrcbContext, sizeof(OffsetPrcbContext), 0)) { |
268 | error_setg(errp, "win-dump: failed to read OffsetPrcbContext"); | |
269 | return; | |
270 | } | |
271 | ||
272 | CPU_FOREACH(cpu) { | |
273 | X86CPU *x86_cpu = X86_CPU(cpu); | |
274 | CPUX86State *env = &x86_cpu->env; | |
275 | uint64_t Prcb; | |
276 | uint64_t Context; | |
f5daa829 | 277 | WinContext ctx; |
2ad9b50f | 278 | |
e38c24cb VP |
279 | if (i >= WIN_DUMP_FIELD(NumberProcessors)) { |
280 | warn_report("win-dump: number of QEMU CPUs is bigger than" | |
281 | " NumberProcessors (%u) in guest Windows", | |
282 | WIN_DUMP_FIELD(NumberProcessors)); | |
283 | return; | |
284 | } | |
285 | ||
f5daa829 VP |
286 | if (cpu_read_ptr(x64, first_cpu, |
287 | KiProcessorBlock + i * win_dump_ptr_size(x64), | |
fb21efe9 | 288 | &Prcb)) { |
2ad9b50f VP |
289 | error_setg(errp, "win-dump: failed to read" |
290 | " CPU #%d PRCB location", i); | |
291 | return; | |
292 | } | |
293 | ||
f5daa829 | 294 | if (cpu_read_ptr(x64, first_cpu, |
2ad9b50f | 295 | Prcb + OffsetPrcbContext, |
fb21efe9 | 296 | &Context)) { |
2ad9b50f VP |
297 | error_setg(errp, "win-dump: failed to read" |
298 | " CPU #%d ContextFrame location", i); | |
299 | return; | |
300 | } | |
301 | ||
302 | saved_ctx[i].addr = Context; | |
303 | ||
f5daa829 VP |
304 | if (x64) { |
305 | ctx.x64 = (WinContext64){ | |
306 | .ContextFlags = WIN_CTX64_ALL, | |
2ad9b50f | 307 | .MxCsr = env->mxcsr, |
f5daa829 VP |
308 | |
309 | .SegEs = env->segs[0].selector, | |
310 | .SegCs = env->segs[1].selector, | |
311 | .SegSs = env->segs[2].selector, | |
312 | .SegDs = env->segs[3].selector, | |
313 | .SegFs = env->segs[4].selector, | |
314 | .SegGs = env->segs[5].selector, | |
315 | .EFlags = cpu_compute_eflags(env), | |
316 | ||
317 | .Dr0 = env->dr[0], | |
318 | .Dr1 = env->dr[1], | |
319 | .Dr2 = env->dr[2], | |
320 | .Dr3 = env->dr[3], | |
321 | .Dr6 = env->dr[6], | |
322 | .Dr7 = env->dr[7], | |
323 | ||
324 | .Rax = env->regs[R_EAX], | |
325 | .Rbx = env->regs[R_EBX], | |
326 | .Rcx = env->regs[R_ECX], | |
327 | .Rdx = env->regs[R_EDX], | |
328 | .Rsp = env->regs[R_ESP], | |
329 | .Rbp = env->regs[R_EBP], | |
330 | .Rsi = env->regs[R_ESI], | |
331 | .Rdi = env->regs[R_EDI], | |
332 | .R8 = env->regs[8], | |
333 | .R9 = env->regs[9], | |
334 | .R10 = env->regs[10], | |
335 | .R11 = env->regs[11], | |
336 | .R12 = env->regs[12], | |
337 | .R13 = env->regs[13], | |
338 | .R14 = env->regs[14], | |
339 | .R15 = env->regs[15], | |
340 | ||
341 | .Rip = env->eip, | |
342 | .FltSave = { | |
343 | .MxCsr = env->mxcsr, | |
344 | }, | |
345 | }; | |
346 | } else { | |
347 | ctx.x32 = (WinContext32){ | |
348 | .ContextFlags = WIN_CTX32_FULL | WIN_CTX_DBG, | |
349 | ||
350 | .SegEs = env->segs[0].selector, | |
351 | .SegCs = env->segs[1].selector, | |
352 | .SegSs = env->segs[2].selector, | |
353 | .SegDs = env->segs[3].selector, | |
354 | .SegFs = env->segs[4].selector, | |
355 | .SegGs = env->segs[5].selector, | |
356 | .EFlags = cpu_compute_eflags(env), | |
357 | ||
358 | .Dr0 = env->dr[0], | |
359 | .Dr1 = env->dr[1], | |
360 | .Dr2 = env->dr[2], | |
361 | .Dr3 = env->dr[3], | |
362 | .Dr6 = env->dr[6], | |
363 | .Dr7 = env->dr[7], | |
364 | ||
365 | .Eax = env->regs[R_EAX], | |
366 | .Ebx = env->regs[R_EBX], | |
367 | .Ecx = env->regs[R_ECX], | |
368 | .Edx = env->regs[R_EDX], | |
369 | .Esp = env->regs[R_ESP], | |
370 | .Ebp = env->regs[R_EBP], | |
371 | .Esi = env->regs[R_ESI], | |
372 | .Edi = env->regs[R_EDI], | |
373 | ||
374 | .Eip = env->eip, | |
375 | }; | |
376 | } | |
2ad9b50f VP |
377 | |
378 | if (cpu_memory_rw_debug(first_cpu, Context, | |
f5daa829 | 379 | &saved_ctx[i].ctx, win_dump_ctx_size(x64), 0)) { |
2ad9b50f VP |
380 | error_setg(errp, "win-dump: failed to save CPU #%d context", i); |
381 | return; | |
382 | } | |
383 | ||
384 | if (cpu_memory_rw_debug(first_cpu, Context, | |
f5daa829 | 385 | &ctx, win_dump_ctx_size(x64), 1)) { |
2ad9b50f VP |
386 | error_setg(errp, "win-dump: failed to write CPU #%d context", i); |
387 | return; | |
388 | } | |
389 | ||
390 | i++; | |
391 | } | |
392 | } | |
393 | ||
f5daa829 | 394 | static void restore_context(WinDumpHeader *h, bool x64, |
2ad9b50f VP |
395 | struct saved_context *saved_ctx) |
396 | { | |
397 | int i; | |
2ad9b50f | 398 | |
fb21efe9 | 399 | for (i = 0; i < WIN_DUMP_FIELD(NumberProcessors); i++) { |
2ad9b50f | 400 | if (cpu_memory_rw_debug(first_cpu, saved_ctx[i].addr, |
f5daa829 | 401 | &saved_ctx[i].ctx, win_dump_ctx_size(x64), 1)) { |
b0e70950 | 402 | warn_report("win-dump: failed to restore CPU #%d context", i); |
2ad9b50f VP |
403 | } |
404 | } | |
405 | } | |
406 | ||
2da91b54 VP |
407 | void create_win_dump(DumpState *s, Error **errp) |
408 | { | |
f5daa829 | 409 | WinDumpHeader *h = (void *)(s->guest_note + VMCOREINFO_ELF_NOTE_HDR_SIZE); |
92d1b3d5 VP |
410 | X86CPU *first_x86_cpu = X86_CPU(first_cpu); |
411 | uint64_t saved_cr3 = first_x86_cpu->env.cr[3]; | |
2ad9b50f | 412 | struct saved_context *saved_ctx = NULL; |
2da91b54 | 413 | Error *local_err = NULL; |
f5daa829 VP |
414 | bool x64 = true; |
415 | size_t hdr_size; | |
2da91b54 | 416 | |
f5daa829 VP |
417 | if (s->guest_note_size != VMCOREINFO_WIN_DUMP_NOTE_SIZE32 && |
418 | s->guest_note_size != VMCOREINFO_WIN_DUMP_NOTE_SIZE64) { | |
2da91b54 VP |
419 | error_setg(errp, "win-dump: invalid vmcoreinfo note size"); |
420 | return; | |
421 | } | |
422 | ||
f5daa829 | 423 | if (!check_header(h, &x64, &local_err)) { |
2da91b54 VP |
424 | error_propagate(errp, local_err); |
425 | return; | |
426 | } | |
427 | ||
f5daa829 VP |
428 | hdr_size = x64 ? sizeof(WinDumpHeader64) : sizeof(WinDumpHeader32); |
429 | ||
92d1b3d5 VP |
430 | /* |
431 | * Further access to kernel structures by virtual addresses | |
432 | * should be made from system context. | |
433 | */ | |
434 | ||
fb21efe9 | 435 | first_x86_cpu->env.cr[3] = WIN_DUMP_FIELD(DirectoryTableBase); |
92d1b3d5 | 436 | |
f5daa829 | 437 | check_kdbg(h, x64, &local_err); |
2da91b54 VP |
438 | if (local_err) { |
439 | error_propagate(errp, local_err); | |
92d1b3d5 | 440 | goto out_cr3; |
2da91b54 VP |
441 | } |
442 | ||
f5daa829 | 443 | patch_header(h, x64); |
2da91b54 | 444 | |
fb21efe9 | 445 | saved_ctx = g_new(struct saved_context, WIN_DUMP_FIELD(NumberProcessors)); |
2ad9b50f VP |
446 | |
447 | /* | |
448 | * Always patch context because there is no way | |
449 | * to determine if the system-saved context is valid | |
450 | */ | |
451 | ||
f5daa829 | 452 | patch_and_save_context(h, x64, saved_ctx, &local_err); |
2ad9b50f VP |
453 | if (local_err) { |
454 | error_propagate(errp, local_err); | |
455 | goto out_free; | |
456 | } | |
457 | ||
fb21efe9 | 458 | s->total_size = WIN_DUMP_FIELD(RequiredDumpSpace); |
2da91b54 | 459 | |
f5daa829 VP |
460 | s->written_size = qemu_write_full(s->fd, h, hdr_size); |
461 | if (s->written_size != hdr_size) { | |
2da91b54 | 462 | error_setg(errp, QERR_IO_ERROR); |
2ad9b50f | 463 | goto out_restore; |
2da91b54 VP |
464 | } |
465 | ||
f5daa829 | 466 | write_runs(s, h, x64, &local_err); |
2da91b54 VP |
467 | if (local_err) { |
468 | error_propagate(errp, local_err); | |
2ad9b50f | 469 | goto out_restore; |
2da91b54 | 470 | } |
92d1b3d5 | 471 | |
2ad9b50f | 472 | out_restore: |
f5daa829 | 473 | restore_context(h, x64, saved_ctx); |
2ad9b50f VP |
474 | out_free: |
475 | g_free(saved_ctx); | |
92d1b3d5 VP |
476 | out_cr3: |
477 | first_x86_cpu->env.cr[3] = saved_cr3; | |
478 | ||
479 | return; | |
2da91b54 | 480 | } |
efc3146a PMD |
481 | |
482 | #else /* !TARGET_X86_64 */ | |
483 | ||
484 | bool win_dump_available(Error **errp) | |
485 | { | |
486 | error_setg(errp, "Windows dump is only available for x86-64"); | |
487 | ||
488 | return false; | |
489 | } | |
490 | ||
97244862 PMD |
491 | void create_win_dump(DumpState *s, Error **errp) |
492 | { | |
493 | win_dump_available(errp); | |
494 | } | |
495 | ||
efc3146a | 496 | #endif |