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s390: Introduce CCW_COMPAT_2_5
[qemu.git] / target-i386 / cpu.c
blob0d447b56903bee2772b116daa3775ffc787fc245
1 /*
2 * i386 CPUID helper functions
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19 #include <stdlib.h>
20 #include <stdio.h>
21 #include <string.h>
22 #include <inttypes.h>
23
24 #include "cpu.h"
25 #include "sysemu/kvm.h"
26 #include "sysemu/cpus.h"
27 #include "kvm_i386.h"
28
29 #include "qemu/error-report.h"
30 #include "qemu/option.h"
31 #include "qemu/config-file.h"
32 #include "qapi/qmp/qerror.h"
33
34 #include "qapi-types.h"
35 #include "qapi-visit.h"
36 #include "qapi/visitor.h"
37 #include "sysemu/arch_init.h"
38
39 #include "hw/hw.h"
40 #if defined(CONFIG_KVM)
41 #include <linux/kvm_para.h>
42 #endif
43
44 #include "sysemu/sysemu.h"
45 #include "hw/qdev-properties.h"
46 #ifndef CONFIG_USER_ONLY
47 #include "exec/address-spaces.h"
48 #include "hw/xen/xen.h"
49 #include "hw/i386/apic_internal.h"
50 #endif
51
52
53 /* Cache topology CPUID constants: */
54
55 /* CPUID Leaf 2 Descriptors */
56
57 #define CPUID_2_L1D_32KB_8WAY_64B 0x2c
58 #define CPUID_2_L1I_32KB_8WAY_64B 0x30
59 #define CPUID_2_L2_2MB_8WAY_64B 0x7d
60
61
62 /* CPUID Leaf 4 constants: */
63
64 /* EAX: */
65 #define CPUID_4_TYPE_DCACHE 1
66 #define CPUID_4_TYPE_ICACHE 2
67 #define CPUID_4_TYPE_UNIFIED 3
68
69 #define CPUID_4_LEVEL(l) ((l) << 5)
70
71 #define CPUID_4_SELF_INIT_LEVEL (1 << 8)
72 #define CPUID_4_FULLY_ASSOC (1 << 9)
73
74 /* EDX: */
75 #define CPUID_4_NO_INVD_SHARING (1 << 0)
76 #define CPUID_4_INCLUSIVE (1 << 1)
77 #define CPUID_4_COMPLEX_IDX (1 << 2)
78
79 #define ASSOC_FULL 0xFF
80
81 /* AMD associativity encoding used on CPUID Leaf 0x80000006: */
82 #define AMD_ENC_ASSOC(a) (a <= 1 ? a : \
83 a == 2 ? 0x2 : \
84 a == 4 ? 0x4 : \
85 a == 8 ? 0x6 : \
86 a == 16 ? 0x8 : \
87 a == 32 ? 0xA : \
88 a == 48 ? 0xB : \
89 a == 64 ? 0xC : \
90 a == 96 ? 0xD : \
91 a == 128 ? 0xE : \
92 a == ASSOC_FULL ? 0xF : \
93 0 /* invalid value */)
94
95
96 /* Definitions of the hardcoded cache entries we expose: */
97
98 /* L1 data cache: */
99 #define L1D_LINE_SIZE 64
100 #define L1D_ASSOCIATIVITY 8
101 #define L1D_SETS 64
102 #define L1D_PARTITIONS 1
103 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */
104 #define L1D_DESCRIPTOR CPUID_2_L1D_32KB_8WAY_64B
105 /*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
106 #define L1D_LINES_PER_TAG 1
107 #define L1D_SIZE_KB_AMD 64
108 #define L1D_ASSOCIATIVITY_AMD 2
109
110 /* L1 instruction cache: */
111 #define L1I_LINE_SIZE 64
112 #define L1I_ASSOCIATIVITY 8
113 #define L1I_SETS 64
114 #define L1I_PARTITIONS 1
115 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */
116 #define L1I_DESCRIPTOR CPUID_2_L1I_32KB_8WAY_64B
117 /*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
118 #define L1I_LINES_PER_TAG 1
119 #define L1I_SIZE_KB_AMD 64
120 #define L1I_ASSOCIATIVITY_AMD 2
121
122 /* Level 2 unified cache: */
123 #define L2_LINE_SIZE 64
124 #define L2_ASSOCIATIVITY 16
125 #define L2_SETS 4096
126 #define L2_PARTITIONS 1
127 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 4MiB */
128 /*FIXME: CPUID leaf 2 descriptor is inconsistent with CPUID leaf 4 */
129 #define L2_DESCRIPTOR CPUID_2_L2_2MB_8WAY_64B
130 /*FIXME: CPUID leaf 0x80000006 is inconsistent with leaves 2 & 4 */
131 #define L2_LINES_PER_TAG 1
132 #define L2_SIZE_KB_AMD 512
133
134 /* No L3 cache: */
135 #define L3_SIZE_KB 0 /* disabled */
136 #define L3_ASSOCIATIVITY 0 /* disabled */
137 #define L3_LINES_PER_TAG 0 /* disabled */
138 #define L3_LINE_SIZE 0 /* disabled */
139
140 /* TLB definitions: */
141
142 #define L1_DTLB_2M_ASSOC 1
143 #define L1_DTLB_2M_ENTRIES 255
144 #define L1_DTLB_4K_ASSOC 1
145 #define L1_DTLB_4K_ENTRIES 255
146
147 #define L1_ITLB_2M_ASSOC 1
148 #define L1_ITLB_2M_ENTRIES 255
149 #define L1_ITLB_4K_ASSOC 1
150 #define L1_ITLB_4K_ENTRIES 255
151
152 #define L2_DTLB_2M_ASSOC 0 /* disabled */
153 #define L2_DTLB_2M_ENTRIES 0 /* disabled */
154 #define L2_DTLB_4K_ASSOC 4
155 #define L2_DTLB_4K_ENTRIES 512
156
157 #define L2_ITLB_2M_ASSOC 0 /* disabled */
158 #define L2_ITLB_2M_ENTRIES 0 /* disabled */
159 #define L2_ITLB_4K_ASSOC 4
160 #define L2_ITLB_4K_ENTRIES 512
161
162
163
164 static void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
165 uint32_t vendor2, uint32_t vendor3)
166 {
167 int i;
168 for (i = 0; i < 4; i++) {
169 dst[i] = vendor1 >> (8 * i);
170 dst[i + 4] = vendor2 >> (8 * i);
171 dst[i + 8] = vendor3 >> (8 * i);
172 }
173 dst[CPUID_VENDOR_SZ] = '\0';
174 }
175
176 /* feature flags taken from "Intel Processor Identification and the CPUID
177 * Instruction" and AMD's "CPUID Specification". In cases of disagreement
178 * between feature naming conventions, aliases may be added.
179 */
180 static const char *feature_name[] = {
181 "fpu", "vme", "de", "pse",
182 "tsc", "msr", "pae", "mce",
183 "cx8", "apic", NULL, "sep",
184 "mtrr", "pge", "mca", "cmov",
185 "pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */,
186 NULL, "ds" /* Intel dts */, "acpi", "mmx",
187 "fxsr", "sse", "sse2", "ss",
188 "ht" /* Intel htt */, "tm", "ia64", "pbe",
189 };
190 static const char *ext_feature_name[] = {
191 "pni|sse3" /* Intel,AMD sse3 */, "pclmulqdq|pclmuldq", "dtes64", "monitor",
192 "ds_cpl", "vmx", "smx", "est",
193 "tm2", "ssse3", "cid", NULL,
194 "fma", "cx16", "xtpr", "pdcm",
195 NULL, "pcid", "dca", "sse4.1|sse4_1",
196 "sse4.2|sse4_2", "x2apic", "movbe", "popcnt",
197 "tsc-deadline", "aes", "xsave", "osxsave",
198 "avx", "f16c", "rdrand", "hypervisor",
199 };
200 /* Feature names that are already defined on feature_name[] but are set on
201 * CPUID[8000_0001].EDX on AMD CPUs don't have their names on
202 * ext2_feature_name[]. They are copied automatically to cpuid_ext2_features
203 * if and only if CPU vendor is AMD.
204 */
205 static const char *ext2_feature_name[] = {
206 NULL /* fpu */, NULL /* vme */, NULL /* de */, NULL /* pse */,
207 NULL /* tsc */, NULL /* msr */, NULL /* pae */, NULL /* mce */,
208 NULL /* cx8 */ /* AMD CMPXCHG8B */, NULL /* apic */, NULL, "syscall",
209 NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */,
210 NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */,
211 "nx|xd", NULL, "mmxext", NULL /* mmx */,
212 NULL /* fxsr */, "fxsr_opt|ffxsr", "pdpe1gb" /* AMD Page1GB */, "rdtscp",
213 NULL, "lm|i64", "3dnowext", "3dnow",
214 };
215 static const char *ext3_feature_name[] = {
216 "lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */,
217 "cr8legacy" /* AMD AltMovCr8 */, "abm", "sse4a", "misalignsse",
218 "3dnowprefetch", "osvw", "ibs", "xop",
219 "skinit", "wdt", NULL, "lwp",
220 "fma4", "tce", NULL, "nodeid_msr",
221 NULL, "tbm", "topoext", "perfctr_core",
222 "perfctr_nb", NULL, NULL, NULL,
223 NULL, NULL, NULL, NULL,
224 };
225
226 static const char *ext4_feature_name[] = {
227 NULL, NULL, "xstore", "xstore-en",
228 NULL, NULL, "xcrypt", "xcrypt-en",
229 "ace2", "ace2-en", "phe", "phe-en",
230 "pmm", "pmm-en", NULL, NULL,
231 NULL, NULL, NULL, NULL,
232 NULL, NULL, NULL, NULL,
233 NULL, NULL, NULL, NULL,
234 NULL, NULL, NULL, NULL,
235 };
236
237 static const char *kvm_feature_name[] = {
238 "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock",
239 "kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", "kvm_pv_unhalt",
240 NULL, NULL, NULL, NULL,
241 NULL, NULL, NULL, NULL,
242 NULL, NULL, NULL, NULL,
243 NULL, NULL, NULL, NULL,
244 "kvmclock-stable-bit", NULL, NULL, NULL,
245 NULL, NULL, NULL, NULL,
246 };
247
248 static const char *svm_feature_name[] = {
249 "npt", "lbrv", "svm_lock", "nrip_save",
250 "tsc_scale", "vmcb_clean", "flushbyasid", "decodeassists",
251 NULL, NULL, "pause_filter", NULL,
252 "pfthreshold", NULL, NULL, NULL,
253 NULL, NULL, NULL, NULL,
254 NULL, NULL, NULL, NULL,
255 NULL, NULL, NULL, NULL,
256 NULL, NULL, NULL, NULL,
257 };
258
259 static const char *cpuid_7_0_ebx_feature_name[] = {
260 "fsgsbase", "tsc_adjust", NULL, "bmi1", "hle", "avx2", NULL, "smep",
261 "bmi2", "erms", "invpcid", "rtm", NULL, NULL, "mpx", NULL,
262 "avx512f", NULL, "rdseed", "adx", "smap", NULL, "pcommit", "clflushopt",
263 "clwb", NULL, "avx512pf", "avx512er", "avx512cd", NULL, NULL, NULL,
264 };
265
266 static const char *cpuid_apm_edx_feature_name[] = {
267 NULL, NULL, NULL, NULL,
268 NULL, NULL, NULL, NULL,
269 "invtsc", NULL, NULL, NULL,
270 NULL, NULL, NULL, NULL,
271 NULL, NULL, NULL, NULL,
272 NULL, NULL, NULL, NULL,
273 NULL, NULL, NULL, NULL,
274 NULL, NULL, NULL, NULL,
275 };
276
277 static const char *cpuid_xsave_feature_name[] = {
278 "xsaveopt", "xsavec", "xgetbv1", "xsaves",
279 NULL, NULL, NULL, NULL,
280 NULL, NULL, NULL, NULL,
281 NULL, NULL, NULL, NULL,
282 NULL, NULL, NULL, NULL,
283 NULL, NULL, NULL, NULL,
284 NULL, NULL, NULL, NULL,
285 NULL, NULL, NULL, NULL,
286 };
287
288 static const char *cpuid_6_feature_name[] = {
289 NULL, NULL, "arat", NULL,
290 NULL, NULL, NULL, NULL,
291 NULL, NULL, NULL, NULL,
292 NULL, NULL, NULL, NULL,
293 NULL, NULL, NULL, NULL,
294 NULL, NULL, NULL, NULL,
295 NULL, NULL, NULL, NULL,
296 NULL, NULL, NULL, NULL,
297 };
298
299 #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
300 #define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
301 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
302 #define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
303 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
304 CPUID_PSE36 | CPUID_FXSR)
305 #define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
306 #define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
307 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
308 CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
309 CPUID_PAE | CPUID_SEP | CPUID_APIC)
310
311 #define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
312 CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
313 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
314 CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
315 CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS | CPUID_DE)
316 /* partly implemented:
317 CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64) */
318 /* missing:
319 CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
320 #define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \
321 CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \
322 CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \
323 CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR)
324 /* missing:
325 CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_SMX,
326 CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_CID, CPUID_EXT_FMA,
327 CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_PCID, CPUID_EXT_DCA,
328 CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER, CPUID_EXT_XSAVE,
329 CPUID_EXT_OSXSAVE, CPUID_EXT_AVX, CPUID_EXT_F16C,
330 CPUID_EXT_RDRAND */
331
332 #ifdef TARGET_X86_64
333 #define TCG_EXT2_X86_64_FEATURES (CPUID_EXT2_SYSCALL | CPUID_EXT2_LM)
334 #else
335 #define TCG_EXT2_X86_64_FEATURES 0
336 #endif
337
338 #define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
339 CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
340 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB | \
341 TCG_EXT2_X86_64_FEATURES)
342 #define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
343 CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
344 #define TCG_EXT4_FEATURES 0
345 #define TCG_SVM_FEATURES 0
346 #define TCG_KVM_FEATURES 0
347 #define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP | \
348 CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX | \
349 CPUID_7_0_EBX_PCOMMIT | CPUID_7_0_EBX_CLFLUSHOPT | \
350 CPUID_7_0_EBX_CLWB)
351 /* missing:
352 CPUID_7_0_EBX_FSGSBASE, CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,
353 CPUID_7_0_EBX_ERMS, CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
354 CPUID_7_0_EBX_RDSEED */
355 #define TCG_APM_FEATURES 0
356 #define TCG_6_EAX_FEATURES CPUID_6_EAX_ARAT
357
358
359 typedef struct FeatureWordInfo {
360 const char **feat_names;
361 uint32_t cpuid_eax; /* Input EAX for CPUID */
362 bool cpuid_needs_ecx; /* CPUID instruction uses ECX as input */
363 uint32_t cpuid_ecx; /* Input ECX value for CPUID */
364 int cpuid_reg; /* output register (R_* constant) */
365 uint32_t tcg_features; /* Feature flags supported by TCG */
366 uint32_t unmigratable_flags; /* Feature flags known to be unmigratable */
367 } FeatureWordInfo;
368
369 static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
370 [FEAT_1_EDX] = {
371 .feat_names = feature_name,
372 .cpuid_eax = 1, .cpuid_reg = R_EDX,
373 .tcg_features = TCG_FEATURES,
374 },
375 [FEAT_1_ECX] = {
376 .feat_names = ext_feature_name,
377 .cpuid_eax = 1, .cpuid_reg = R_ECX,
378 .tcg_features = TCG_EXT_FEATURES,
379 },
380 [FEAT_8000_0001_EDX] = {
381 .feat_names = ext2_feature_name,
382 .cpuid_eax = 0x80000001, .cpuid_reg = R_EDX,
383 .tcg_features = TCG_EXT2_FEATURES,
384 },
385 [FEAT_8000_0001_ECX] = {
386 .feat_names = ext3_feature_name,
387 .cpuid_eax = 0x80000001, .cpuid_reg = R_ECX,
388 .tcg_features = TCG_EXT3_FEATURES,
389 },
390 [FEAT_C000_0001_EDX] = {
391 .feat_names = ext4_feature_name,
392 .cpuid_eax = 0xC0000001, .cpuid_reg = R_EDX,
393 .tcg_features = TCG_EXT4_FEATURES,
394 },
395 [FEAT_KVM] = {
396 .feat_names = kvm_feature_name,
397 .cpuid_eax = KVM_CPUID_FEATURES, .cpuid_reg = R_EAX,
398 .tcg_features = TCG_KVM_FEATURES,
399 },
400 [FEAT_SVM] = {
401 .feat_names = svm_feature_name,
402 .cpuid_eax = 0x8000000A, .cpuid_reg = R_EDX,
403 .tcg_features = TCG_SVM_FEATURES,
404 },
405 [FEAT_7_0_EBX] = {
406 .feat_names = cpuid_7_0_ebx_feature_name,
407 .cpuid_eax = 7,
408 .cpuid_needs_ecx = true, .cpuid_ecx = 0,
409 .cpuid_reg = R_EBX,
410 .tcg_features = TCG_7_0_EBX_FEATURES,
411 },
412 [FEAT_8000_0007_EDX] = {
413 .feat_names = cpuid_apm_edx_feature_name,
414 .cpuid_eax = 0x80000007,
415 .cpuid_reg = R_EDX,
416 .tcg_features = TCG_APM_FEATURES,
417 .unmigratable_flags = CPUID_APM_INVTSC,
418 },
419 [FEAT_XSAVE] = {
420 .feat_names = cpuid_xsave_feature_name,
421 .cpuid_eax = 0xd,
422 .cpuid_needs_ecx = true, .cpuid_ecx = 1,
423 .cpuid_reg = R_EAX,
424 .tcg_features = 0,
425 },
426 [FEAT_6_EAX] = {
427 .feat_names = cpuid_6_feature_name,
428 .cpuid_eax = 6, .cpuid_reg = R_EAX,
429 .tcg_features = TCG_6_EAX_FEATURES,
430 },
431 };
432
433 typedef struct X86RegisterInfo32 {
434 /* Name of register */
435 const char *name;
436 /* QAPI enum value register */
437 X86CPURegister32 qapi_enum;
438 } X86RegisterInfo32;
439
440 #define REGISTER(reg) \
441 [R_##reg] = { .name = #reg, .qapi_enum = X86_CPU_REGISTER32_##reg }
442 static const X86RegisterInfo32 x86_reg_info_32[CPU_NB_REGS32] = {
443 REGISTER(EAX),
444 REGISTER(ECX),
445 REGISTER(EDX),
446 REGISTER(EBX),
447 REGISTER(ESP),
448 REGISTER(EBP),
449 REGISTER(ESI),
450 REGISTER(EDI),
451 };
452 #undef REGISTER
453
454 typedef struct ExtSaveArea {
455 uint32_t feature, bits;
456 uint32_t offset, size;
457 } ExtSaveArea;
458
459 static const ExtSaveArea ext_save_areas[] = {
460 [2] = { .feature = FEAT_1_ECX, .bits = CPUID_EXT_AVX,
461 .offset = 0x240, .size = 0x100 },
462 [3] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
463 .offset = 0x3c0, .size = 0x40 },
464 [4] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
465 .offset = 0x400, .size = 0x40 },
466 [5] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
467 .offset = 0x440, .size = 0x40 },
468 [6] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
469 .offset = 0x480, .size = 0x200 },
470 [7] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
471 .offset = 0x680, .size = 0x400 },
472 };
473
474 const char *get_register_name_32(unsigned int reg)
475 {
476 if (reg >= CPU_NB_REGS32) {
477 return NULL;
478 }
479 return x86_reg_info_32[reg].name;
480 }
481
482 /*
483 * Returns the set of feature flags that are supported and migratable by
484 * QEMU, for a given FeatureWord.
485 */
486 static uint32_t x86_cpu_get_migratable_flags(FeatureWord w)
487 {
488 FeatureWordInfo *wi = &feature_word_info[w];
489 uint32_t r = 0;
490 int i;
491
492 for (i = 0; i < 32; i++) {
493 uint32_t f = 1U << i;
494 /* If the feature name is unknown, it is not supported by QEMU yet */
495 if (!wi->feat_names[i]) {
496 continue;
497 }
498 /* Skip features known to QEMU, but explicitly marked as unmigratable */
499 if (wi->unmigratable_flags & f) {
500 continue;
501 }
502 r |= f;
503 }
504 return r;
505 }
506
507 void host_cpuid(uint32_t function, uint32_t count,
508 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
509 {
510 uint32_t vec[4];
511
512 #ifdef __x86_64__
513 asm volatile("cpuid"
514 : "=a"(vec[0]), "=b"(vec[1]),
515 "=c"(vec[2]), "=d"(vec[3])
516 : "0"(function), "c"(count) : "cc");
517 #elif defined(__i386__)
518 asm volatile("pusha \n\t"
519 "cpuid \n\t"
520 "mov %%eax, 0(%2) \n\t"
521 "mov %%ebx, 4(%2) \n\t"
522 "mov %%ecx, 8(%2) \n\t"
523 "mov %%edx, 12(%2) \n\t"
524 "popa"
525 : : "a"(function), "c"(count), "S"(vec)
526 : "memory", "cc");
527 #else
528 abort();
529 #endif
530
531 if (eax)
532 *eax = vec[0];
533 if (ebx)
534 *ebx = vec[1];
535 if (ecx)
536 *ecx = vec[2];
537 if (edx)
538 *edx = vec[3];
539 }
540
541 #define iswhite(c) ((c) && ((c) <= ' ' || '~' < (c)))
542
543 /* general substring compare of *[s1..e1) and *[s2..e2). sx is start of
544 * a substring. ex if !NULL points to the first char after a substring,
545 * otherwise the string is assumed to sized by a terminating nul.
546 * Return lexical ordering of *s1:*s2.
547 */
548 static int sstrcmp(const char *s1, const char *e1,
549 const char *s2, const char *e2)
550 {
551 for (;;) {
552 if (!*s1 || !*s2 || *s1 != *s2)
553 return (*s1 - *s2);
554 ++s1, ++s2;
555 if (s1 == e1 && s2 == e2)
556 return (0);
557 else if (s1 == e1)
558 return (*s2);
559 else if (s2 == e2)
560 return (*s1);
561 }
562 }
563
564 /* compare *[s..e) to *altstr. *altstr may be a simple string or multiple
565 * '|' delimited (possibly empty) strings in which case search for a match
566 * within the alternatives proceeds left to right. Return 0 for success,
567 * non-zero otherwise.
568 */
569 static int altcmp(const char *s, const char *e, const char *altstr)
570 {
571 const char *p, *q;
572
573 for (q = p = altstr; ; ) {
574 while (*p && *p != '|')
575 ++p;
576 if ((q == p && !*s) || (q != p && !sstrcmp(s, e, q, p)))
577 return (0);
578 if (!*p)
579 return (1);
580 else
581 q = ++p;
582 }
583 }
584
585 /* search featureset for flag *[s..e), if found set corresponding bit in
586 * *pval and return true, otherwise return false
587 */
588 static bool lookup_feature(uint32_t *pval, const char *s, const char *e,
589 const char **featureset)
590 {
591 uint32_t mask;
592 const char **ppc;
593 bool found = false;
594
595 for (mask = 1, ppc = featureset; mask; mask <<= 1, ++ppc) {
596 if (*ppc && !altcmp(s, e, *ppc)) {
597 *pval |= mask;
598 found = true;
599 }
600 }
601 return found;
602 }
603
604 static void add_flagname_to_bitmaps(const char *flagname,
605 FeatureWordArray words,
606 Error **errp)
607 {
608 FeatureWord w;
609 for (w = 0; w < FEATURE_WORDS; w++) {
610 FeatureWordInfo *wi = &feature_word_info[w];
611 if (wi->feat_names &&
612 lookup_feature(&words[w], flagname, NULL, wi->feat_names)) {
613 break;
614 }
615 }
616 if (w == FEATURE_WORDS) {
617 error_setg(errp, "CPU feature %s not found", flagname);
618 }
619 }
620
621 /* CPU class name definitions: */
622
623 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
624 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
625
626 /* Return type name for a given CPU model name
627 * Caller is responsible for freeing the returned string.
628 */
629 static char *x86_cpu_type_name(const char *model_name)
630 {
631 return g_strdup_printf(X86_CPU_TYPE_NAME("%s"), model_name);
632 }
633
634 static ObjectClass *x86_cpu_class_by_name(const char *cpu_model)
635 {
636 ObjectClass *oc;
637 char *typename;
638
639 if (cpu_model == NULL) {
640 return NULL;
641 }
642
643 typename = x86_cpu_type_name(cpu_model);
644 oc = object_class_by_name(typename);
645 g_free(typename);
646 return oc;
647 }
648
649 struct X86CPUDefinition {
650 const char *name;
651 uint32_t level;
652 uint32_t xlevel;
653 uint32_t xlevel2;
654 /* vendor is zero-terminated, 12 character ASCII string */
655 char vendor[CPUID_VENDOR_SZ + 1];
656 int family;
657 int model;
658 int stepping;
659 FeatureWordArray features;
660 char model_id[48];
661 };
662
663 static X86CPUDefinition builtin_x86_defs[] = {
664 {
665 .name = "qemu64",
666 .level = 0xd,
667 .vendor = CPUID_VENDOR_AMD,
668 .family = 6,
669 .model = 6,
670 .stepping = 3,
671 .features[FEAT_1_EDX] =
672 PPRO_FEATURES |
673 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
674 CPUID_PSE36,
675 .features[FEAT_1_ECX] =
676 CPUID_EXT_SSE3 | CPUID_EXT_CX16,
677 .features[FEAT_8000_0001_EDX] =
678 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
679 .features[FEAT_8000_0001_ECX] =
680 CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM,
681 .xlevel = 0x8000000A,
682 },
683 {
684 .name = "phenom",
685 .level = 5,
686 .vendor = CPUID_VENDOR_AMD,
687 .family = 16,
688 .model = 2,
689 .stepping = 3,
690 /* Missing: CPUID_HT */
691 .features[FEAT_1_EDX] =
692 PPRO_FEATURES |
693 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
694 CPUID_PSE36 | CPUID_VME,
695 .features[FEAT_1_ECX] =
696 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 |
697 CPUID_EXT_POPCNT,
698 .features[FEAT_8000_0001_EDX] =
699 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX |
700 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT |
701 CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP,
702 /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
703 CPUID_EXT3_CR8LEG,
704 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
705 CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
706 .features[FEAT_8000_0001_ECX] =
707 CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
708 CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
709 /* Missing: CPUID_SVM_LBRV */
710 .features[FEAT_SVM] =
711 CPUID_SVM_NPT,
712 .xlevel = 0x8000001A,
713 .model_id = "AMD Phenom(tm) 9550 Quad-Core Processor"
714 },
715 {
716 .name = "core2duo",
717 .level = 10,
718 .vendor = CPUID_VENDOR_INTEL,
719 .family = 6,
720 .model = 15,
721 .stepping = 11,
722 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
723 .features[FEAT_1_EDX] =
724 PPRO_FEATURES |
725 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
726 CPUID_PSE36 | CPUID_VME | CPUID_ACPI | CPUID_SS,
727 /* Missing: CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_EST,
728 * CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_VMX */
729 .features[FEAT_1_ECX] =
730 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
731 CPUID_EXT_CX16,
732 .features[FEAT_8000_0001_EDX] =
733 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
734 .features[FEAT_8000_0001_ECX] =
735 CPUID_EXT3_LAHF_LM,
736 .xlevel = 0x80000008,
737 .model_id = "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz",
738 },
739 {
740 .name = "kvm64",
741 .level = 0xd,
742 .vendor = CPUID_VENDOR_INTEL,
743 .family = 15,
744 .model = 6,
745 .stepping = 1,
746 /* Missing: CPUID_HT */
747 .features[FEAT_1_EDX] =
748 PPRO_FEATURES | CPUID_VME |
749 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
750 CPUID_PSE36,
751 /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
752 .features[FEAT_1_ECX] =
753 CPUID_EXT_SSE3 | CPUID_EXT_CX16,
754 /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
755 .features[FEAT_8000_0001_EDX] =
756 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
757 /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
758 CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
759 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
760 CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
761 .features[FEAT_8000_0001_ECX] =
762 0,
763 .xlevel = 0x80000008,
764 .model_id = "Common KVM processor"
765 },
766 {
767 .name = "qemu32",
768 .level = 4,
769 .vendor = CPUID_VENDOR_INTEL,
770 .family = 6,
771 .model = 6,
772 .stepping = 3,
773 .features[FEAT_1_EDX] =
774 PPRO_FEATURES,
775 .features[FEAT_1_ECX] =
776 CPUID_EXT_SSE3,
777 .xlevel = 0x80000004,
778 },
779 {
780 .name = "kvm32",
781 .level = 5,
782 .vendor = CPUID_VENDOR_INTEL,
783 .family = 15,
784 .model = 6,
785 .stepping = 1,
786 .features[FEAT_1_EDX] =
787 PPRO_FEATURES | CPUID_VME |
788 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36,
789 .features[FEAT_1_ECX] =
790 CPUID_EXT_SSE3,
791 .features[FEAT_8000_0001_ECX] =
792 0,
793 .xlevel = 0x80000008,
794 .model_id = "Common 32-bit KVM processor"
795 },
796 {
797 .name = "coreduo",
798 .level = 10,
799 .vendor = CPUID_VENDOR_INTEL,
800 .family = 6,
801 .model = 14,
802 .stepping = 8,
803 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
804 .features[FEAT_1_EDX] =
805 PPRO_FEATURES | CPUID_VME |
806 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_ACPI |
807 CPUID_SS,
808 /* Missing: CPUID_EXT_EST, CPUID_EXT_TM2 , CPUID_EXT_XTPR,
809 * CPUID_EXT_PDCM, CPUID_EXT_VMX */
810 .features[FEAT_1_ECX] =
811 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR,
812 .features[FEAT_8000_0001_EDX] =
813 CPUID_EXT2_NX,
814 .xlevel = 0x80000008,
815 .model_id = "Genuine Intel(R) CPU T2600 @ 2.16GHz",
816 },
817 {
818 .name = "486",
819 .level = 1,
820 .vendor = CPUID_VENDOR_INTEL,
821 .family = 4,
822 .model = 8,
823 .stepping = 0,
824 .features[FEAT_1_EDX] =
825 I486_FEATURES,
826 .xlevel = 0,
827 },
828 {
829 .name = "pentium",
830 .level = 1,
831 .vendor = CPUID_VENDOR_INTEL,
832 .family = 5,
833 .model = 4,
834 .stepping = 3,
835 .features[FEAT_1_EDX] =
836 PENTIUM_FEATURES,
837 .xlevel = 0,
838 },
839 {
840 .name = "pentium2",
841 .level = 2,
842 .vendor = CPUID_VENDOR_INTEL,
843 .family = 6,
844 .model = 5,
845 .stepping = 2,
846 .features[FEAT_1_EDX] =
847 PENTIUM2_FEATURES,
848 .xlevel = 0,
849 },
850 {
851 .name = "pentium3",
852 .level = 3,
853 .vendor = CPUID_VENDOR_INTEL,
854 .family = 6,
855 .model = 7,
856 .stepping = 3,
857 .features[FEAT_1_EDX] =
858 PENTIUM3_FEATURES,
859 .xlevel = 0,
860 },
861 {
862 .name = "athlon",
863 .level = 2,
864 .vendor = CPUID_VENDOR_AMD,
865 .family = 6,
866 .model = 2,
867 .stepping = 3,
868 .features[FEAT_1_EDX] =
869 PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR |
870 CPUID_MCA,
871 .features[FEAT_8000_0001_EDX] =
872 CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT,
873 .xlevel = 0x80000008,
874 },
875 {
876 .name = "n270",
877 .level = 10,
878 .vendor = CPUID_VENDOR_INTEL,
879 .family = 6,
880 .model = 28,
881 .stepping = 2,
882 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
883 .features[FEAT_1_EDX] =
884 PPRO_FEATURES |
885 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME |
886 CPUID_ACPI | CPUID_SS,
887 /* Some CPUs got no CPUID_SEP */
888 /* Missing: CPUID_EXT_DSCPL, CPUID_EXT_EST, CPUID_EXT_TM2,
889 * CPUID_EXT_XTPR */
890 .features[FEAT_1_ECX] =
891 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
892 CPUID_EXT_MOVBE,
893 .features[FEAT_8000_0001_EDX] =
894 CPUID_EXT2_NX,
895 .features[FEAT_8000_0001_ECX] =
896 CPUID_EXT3_LAHF_LM,
897 .xlevel = 0x80000008,
898 .model_id = "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
899 },
900 {
901 .name = "Conroe",
902 .level = 10,
903 .vendor = CPUID_VENDOR_INTEL,
904 .family = 6,
905 .model = 15,
906 .stepping = 3,
907 .features[FEAT_1_EDX] =
908 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
909 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
910 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
911 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
912 CPUID_DE | CPUID_FP87,
913 .features[FEAT_1_ECX] =
914 CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
915 .features[FEAT_8000_0001_EDX] =
916 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
917 .features[FEAT_8000_0001_ECX] =
918 CPUID_EXT3_LAHF_LM,
919 .xlevel = 0x80000008,
920 .model_id = "Intel Celeron_4x0 (Conroe/Merom Class Core 2)",
921 },
922 {
923 .name = "Penryn",
924 .level = 10,
925 .vendor = CPUID_VENDOR_INTEL,
926 .family = 6,
927 .model = 23,
928 .stepping = 3,
929 .features[FEAT_1_EDX] =
930 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
931 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
932 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
933 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
934 CPUID_DE | CPUID_FP87,
935 .features[FEAT_1_ECX] =
936 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
937 CPUID_EXT_SSE3,
938 .features[FEAT_8000_0001_EDX] =
939 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
940 .features[FEAT_8000_0001_ECX] =
941 CPUID_EXT3_LAHF_LM,
942 .xlevel = 0x80000008,
943 .model_id = "Intel Core 2 Duo P9xxx (Penryn Class Core 2)",
944 },
945 {
946 .name = "Nehalem",
947 .level = 11,
948 .vendor = CPUID_VENDOR_INTEL,
949 .family = 6,
950 .model = 26,
951 .stepping = 3,
952 .features[FEAT_1_EDX] =
953 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
954 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
955 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
956 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
957 CPUID_DE | CPUID_FP87,
958 .features[FEAT_1_ECX] =
959 CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
960 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
961 .features[FEAT_8000_0001_EDX] =
962 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
963 .features[FEAT_8000_0001_ECX] =
964 CPUID_EXT3_LAHF_LM,
965 .xlevel = 0x80000008,
966 .model_id = "Intel Core i7 9xx (Nehalem Class Core i7)",
967 },
968 {
969 .name = "Westmere",
970 .level = 11,
971 .vendor = CPUID_VENDOR_INTEL,
972 .family = 6,
973 .model = 44,
974 .stepping = 1,
975 .features[FEAT_1_EDX] =
976 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
977 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
978 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
979 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
980 CPUID_DE | CPUID_FP87,
981 .features[FEAT_1_ECX] =
982 CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
983 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
984 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
985 .features[FEAT_8000_0001_EDX] =
986 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
987 .features[FEAT_8000_0001_ECX] =
988 CPUID_EXT3_LAHF_LM,
989 .features[FEAT_6_EAX] =
990 CPUID_6_EAX_ARAT,
991 .xlevel = 0x80000008,
992 .model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
993 },
994 {
995 .name = "SandyBridge",
996 .level = 0xd,
997 .vendor = CPUID_VENDOR_INTEL,
998 .family = 6,
999 .model = 42,
1000 .stepping = 1,
1001 .features[FEAT_1_EDX] =
1002 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1003 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1004 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1005 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1006 CPUID_DE | CPUID_FP87,
1007 .features[FEAT_1_ECX] =
1008 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1009 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
1010 CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1011 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
1012 CPUID_EXT_SSE3,
1013 .features[FEAT_8000_0001_EDX] =
1014 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1015 CPUID_EXT2_SYSCALL,
1016 .features[FEAT_8000_0001_ECX] =
1017 CPUID_EXT3_LAHF_LM,
1018 .features[FEAT_XSAVE] =
1019 CPUID_XSAVE_XSAVEOPT,
1020 .features[FEAT_6_EAX] =
1021 CPUID_6_EAX_ARAT,
1022 .xlevel = 0x80000008,
1023 .model_id = "Intel Xeon E312xx (Sandy Bridge)",
1024 },
1025 {
1026 .name = "IvyBridge",
1027 .level = 0xd,
1028 .vendor = CPUID_VENDOR_INTEL,
1029 .family = 6,
1030 .model = 58,
1031 .stepping = 9,
1032 .features[FEAT_1_EDX] =
1033 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1034 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1035 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1036 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1037 CPUID_DE | CPUID_FP87,
1038 .features[FEAT_1_ECX] =
1039 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1040 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
1041 CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1042 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
1043 CPUID_EXT_SSE3 | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1044 .features[FEAT_7_0_EBX] =
1045 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_SMEP |
1046 CPUID_7_0_EBX_ERMS,
1047 .features[FEAT_8000_0001_EDX] =
1048 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1049 CPUID_EXT2_SYSCALL,
1050 .features[FEAT_8000_0001_ECX] =
1051 CPUID_EXT3_LAHF_LM,
1052 .features[FEAT_XSAVE] =
1053 CPUID_XSAVE_XSAVEOPT,
1054 .features[FEAT_6_EAX] =
1055 CPUID_6_EAX_ARAT,
1056 .xlevel = 0x80000008,
1057 .model_id = "Intel Xeon E3-12xx v2 (Ivy Bridge)",
1058 },
1059 {
1060 .name = "Haswell-noTSX",
1061 .level = 0xd,
1062 .vendor = CPUID_VENDOR_INTEL,
1063 .family = 6,
1064 .model = 60,
1065 .stepping = 1,
1066 .features[FEAT_1_EDX] =
1067 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1068 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1069 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1070 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1071 CPUID_DE | CPUID_FP87,
1072 .features[FEAT_1_ECX] =
1073 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1074 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1075 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1076 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1077 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1078 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1079 .features[FEAT_8000_0001_EDX] =
1080 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1081 CPUID_EXT2_SYSCALL,
1082 .features[FEAT_8000_0001_ECX] =
1083 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM,
1084 .features[FEAT_7_0_EBX] =
1085 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1086 CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1087 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID,
1088 .features[FEAT_XSAVE] =
1089 CPUID_XSAVE_XSAVEOPT,
1090 .features[FEAT_6_EAX] =
1091 CPUID_6_EAX_ARAT,
1092 .xlevel = 0x80000008,
1093 .model_id = "Intel Core Processor (Haswell, no TSX)",
1094 }, {
1095 .name = "Haswell",
1096 .level = 0xd,
1097 .vendor = CPUID_VENDOR_INTEL,
1098 .family = 6,
1099 .model = 60,
1100 .stepping = 1,
1101 .features[FEAT_1_EDX] =
1102 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1103 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1104 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1105 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1106 CPUID_DE | CPUID_FP87,
1107 .features[FEAT_1_ECX] =
1108 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1109 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1110 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1111 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1112 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1113 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1114 .features[FEAT_8000_0001_EDX] =
1115 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1116 CPUID_EXT2_SYSCALL,
1117 .features[FEAT_8000_0001_ECX] =
1118 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM,
1119 .features[FEAT_7_0_EBX] =
1120 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1121 CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1122 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1123 CPUID_7_0_EBX_RTM,
1124 .features[FEAT_XSAVE] =
1125 CPUID_XSAVE_XSAVEOPT,
1126 .features[FEAT_6_EAX] =
1127 CPUID_6_EAX_ARAT,
1128 .xlevel = 0x80000008,
1129 .model_id = "Intel Core Processor (Haswell)",
1130 },
1131 {
1132 .name = "Broadwell-noTSX",
1133 .level = 0xd,
1134 .vendor = CPUID_VENDOR_INTEL,
1135 .family = 6,
1136 .model = 61,
1137 .stepping = 2,
1138 .features[FEAT_1_EDX] =
1139 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1140 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1141 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1142 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1143 CPUID_DE | CPUID_FP87,
1144 .features[FEAT_1_ECX] =
1145 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1146 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1147 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1148 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1149 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1150 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1151 .features[FEAT_8000_0001_EDX] =
1152 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1153 CPUID_EXT2_SYSCALL,
1154 .features[FEAT_8000_0001_ECX] =
1155 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
1156 .features[FEAT_7_0_EBX] =
1157 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1158 CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1159 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1160 CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
1161 CPUID_7_0_EBX_SMAP,
1162 .features[FEAT_XSAVE] =
1163 CPUID_XSAVE_XSAVEOPT,
1164 .features[FEAT_6_EAX] =
1165 CPUID_6_EAX_ARAT,
1166 .xlevel = 0x80000008,
1167 .model_id = "Intel Core Processor (Broadwell, no TSX)",
1168 },
1169 {
1170 .name = "Broadwell",
1171 .level = 0xd,
1172 .vendor = CPUID_VENDOR_INTEL,
1173 .family = 6,
1174 .model = 61,
1175 .stepping = 2,
1176 .features[FEAT_1_EDX] =
1177 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1178 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1179 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1180 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1181 CPUID_DE | CPUID_FP87,
1182 .features[FEAT_1_ECX] =
1183 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1184 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1185 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1186 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1187 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1188 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1189 .features[FEAT_8000_0001_EDX] =
1190 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1191 CPUID_EXT2_SYSCALL,
1192 .features[FEAT_8000_0001_ECX] =
1193 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
1194 .features[FEAT_7_0_EBX] =
1195 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1196 CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1197 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1198 CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
1199 CPUID_7_0_EBX_SMAP,
1200 .features[FEAT_XSAVE] =
1201 CPUID_XSAVE_XSAVEOPT,
1202 .features[FEAT_6_EAX] =
1203 CPUID_6_EAX_ARAT,
1204 .xlevel = 0x80000008,
1205 .model_id = "Intel Core Processor (Broadwell)",
1206 },
1207 {
1208 .name = "Opteron_G1",
1209 .level = 5,
1210 .vendor = CPUID_VENDOR_AMD,
1211 .family = 15,
1212 .model = 6,
1213 .stepping = 1,
1214 .features[FEAT_1_EDX] =
1215 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1216 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1217 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1218 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1219 CPUID_DE | CPUID_FP87,
1220 .features[FEAT_1_ECX] =
1221 CPUID_EXT_SSE3,
1222 .features[FEAT_8000_0001_EDX] =
1223 CPUID_EXT2_LM | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
1224 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
1225 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
1226 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
1227 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
1228 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
1229 .xlevel = 0x80000008,
1230 .model_id = "AMD Opteron 240 (Gen 1 Class Opteron)",
1231 },
1232 {
1233 .name = "Opteron_G2",
1234 .level = 5,
1235 .vendor = CPUID_VENDOR_AMD,
1236 .family = 15,
1237 .model = 6,
1238 .stepping = 1,
1239 .features[FEAT_1_EDX] =
1240 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1241 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1242 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1243 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1244 CPUID_DE | CPUID_FP87,
1245 .features[FEAT_1_ECX] =
1246 CPUID_EXT_CX16 | CPUID_EXT_SSE3,
1247 /* Missing: CPUID_EXT2_RDTSCP */
1248 .features[FEAT_8000_0001_EDX] =
1249 CPUID_EXT2_LM | CPUID_EXT2_FXSR |
1250 CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
1251 CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
1252 CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
1253 CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
1254 CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
1255 CPUID_EXT2_DE | CPUID_EXT2_FPU,
1256 .features[FEAT_8000_0001_ECX] =
1257 CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
1258 .xlevel = 0x80000008,
1259 .model_id = "AMD Opteron 22xx (Gen 2 Class Opteron)",
1260 },
1261 {
1262 .name = "Opteron_G3",
1263 .level = 5,
1264 .vendor = CPUID_VENDOR_AMD,
1265 .family = 15,
1266 .model = 6,
1267 .stepping = 1,
1268 .features[FEAT_1_EDX] =
1269 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1270 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1271 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1272 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1273 CPUID_DE | CPUID_FP87,
1274 .features[FEAT_1_ECX] =
1275 CPUID_EXT_POPCNT | CPUID_EXT_CX16 | CPUID_EXT_MONITOR |
1276 CPUID_EXT_SSE3,
1277 /* Missing: CPUID_EXT2_RDTSCP */
1278 .features[FEAT_8000_0001_EDX] =
1279 CPUID_EXT2_LM | CPUID_EXT2_FXSR |
1280 CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
1281 CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
1282 CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
1283 CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
1284 CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
1285 CPUID_EXT2_DE | CPUID_EXT2_FPU,
1286 .features[FEAT_8000_0001_ECX] =
1287 CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A |
1288 CPUID_EXT3_ABM | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
1289 .xlevel = 0x80000008,
1290 .model_id = "AMD Opteron 23xx (Gen 3 Class Opteron)",
1291 },
1292 {
1293 .name = "Opteron_G4",
1294 .level = 0xd,
1295 .vendor = CPUID_VENDOR_AMD,
1296 .family = 21,
1297 .model = 1,
1298 .stepping = 2,
1299 .features[FEAT_1_EDX] =
1300 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1301 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1302 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1303 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1304 CPUID_DE | CPUID_FP87,
1305 .features[FEAT_1_ECX] =
1306 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1307 CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1308 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
1309 CPUID_EXT_SSE3,
1310 /* Missing: CPUID_EXT2_RDTSCP */
1311 .features[FEAT_8000_0001_EDX] =
1312 CPUID_EXT2_LM |
1313 CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
1314 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
1315 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
1316 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
1317 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
1318 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
1319 .features[FEAT_8000_0001_ECX] =
1320 CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
1321 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
1322 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
1323 CPUID_EXT3_LAHF_LM,
1324 /* no xsaveopt! */
1325 .xlevel = 0x8000001A,
1326 .model_id = "AMD Opteron 62xx class CPU",
1327 },
1328 {
1329 .name = "Opteron_G5",
1330 .level = 0xd,
1331 .vendor = CPUID_VENDOR_AMD,
1332 .family = 21,
1333 .model = 2,
1334 .stepping = 0,
1335 .features[FEAT_1_EDX] =
1336 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1337 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1338 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1339 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1340 CPUID_DE | CPUID_FP87,
1341 .features[FEAT_1_ECX] =
1342 CPUID_EXT_F16C | CPUID_EXT_AVX | CPUID_EXT_XSAVE |
1343 CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
1344 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_FMA |
1345 CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
1346 /* Missing: CPUID_EXT2_RDTSCP */
1347 .features[FEAT_8000_0001_EDX] =
1348 CPUID_EXT2_LM |
1349 CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
1350 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
1351 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
1352 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
1353 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
1354 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
1355 .features[FEAT_8000_0001_ECX] =
1356 CPUID_EXT3_TBM | CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
1357 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
1358 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
1359 CPUID_EXT3_LAHF_LM,
1360 /* no xsaveopt! */
1361 .xlevel = 0x8000001A,
1362 .model_id = "AMD Opteron 63xx class CPU",
1363 },
1364 };
1365
1366 typedef struct PropValue {
1367 const char *prop, *value;
1368 } PropValue;
1369
1370 /* KVM-specific features that are automatically added/removed
1371 * from all CPU models when KVM is enabled.
1372 */
1373 static PropValue kvm_default_props[] = {
1374 { "kvmclock", "on" },
1375 { "kvm-nopiodelay", "on" },
1376 { "kvm-asyncpf", "on" },
1377 { "kvm-steal-time", "on" },
1378 { "kvm-pv-eoi", "on" },
1379 { "kvmclock-stable-bit", "on" },
1380 { "x2apic", "on" },
1381 { "acpi", "off" },
1382 { "monitor", "off" },
1383 { "svm", "off" },
1384 { NULL, NULL },
1385 };
1386
1387 void x86_cpu_change_kvm_default(const char *prop, const char *value)
1388 {
1389 PropValue *pv;
1390 for (pv = kvm_default_props; pv->prop; pv++) {
1391 if (!strcmp(pv->prop, prop)) {
1392 pv->value = value;
1393 break;
1394 }
1395 }
1396
1397 /* It is valid to call this function only for properties that
1398 * are already present in the kvm_default_props table.
1399 */
1400 assert(pv->prop);
1401 }
1402
1403 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w,
1404 bool migratable_only);
1405
1406 #ifdef CONFIG_KVM
1407
1408 static int cpu_x86_fill_model_id(char *str)
1409 {
1410 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
1411 int i;
1412
1413 for (i = 0; i < 3; i++) {
1414 host_cpuid(0x80000002 + i, 0, &eax, &ebx, &ecx, &edx);
1415 memcpy(str + i * 16 + 0, &eax, 4);
1416 memcpy(str + i * 16 + 4, &ebx, 4);
1417 memcpy(str + i * 16 + 8, &ecx, 4);
1418 memcpy(str + i * 16 + 12, &edx, 4);
1419 }
1420 return 0;
1421 }
1422
1423 static X86CPUDefinition host_cpudef;
1424
1425 static Property host_x86_cpu_properties[] = {
1426 DEFINE_PROP_BOOL("migratable", X86CPU, migratable, true),
1427 DEFINE_PROP_BOOL("host-cache-info", X86CPU, cache_info_passthrough, false),
1428 DEFINE_PROP_END_OF_LIST()
1429 };
1430
1431 /* class_init for the "host" CPU model
1432 *
1433 * This function may be called before KVM is initialized.
1434 */
1435 static void host_x86_cpu_class_init(ObjectClass *oc, void *data)
1436 {
1437 DeviceClass *dc = DEVICE_CLASS(oc);
1438 X86CPUClass *xcc = X86_CPU_CLASS(oc);
1439 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
1440
1441 xcc->kvm_required = true;
1442
1443 host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);
1444 x86_cpu_vendor_words2str(host_cpudef.vendor, ebx, edx, ecx);
1445
1446 host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx);
1447 host_cpudef.family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF);
1448 host_cpudef.model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12);
1449 host_cpudef.stepping = eax & 0x0F;
1450
1451 cpu_x86_fill_model_id(host_cpudef.model_id);
1452
1453 xcc->cpu_def = &host_cpudef;
1454
1455 /* level, xlevel, xlevel2, and the feature words are initialized on
1456 * instance_init, because they require KVM to be initialized.
1457 */
1458
1459 dc->props = host_x86_cpu_properties;
1460 /* Reason: host_x86_cpu_initfn() dies when !kvm_enabled() */
1461 dc->cannot_destroy_with_object_finalize_yet = true;
1462 }
1463
1464 static void host_x86_cpu_initfn(Object *obj)
1465 {
1466 X86CPU *cpu = X86_CPU(obj);
1467 CPUX86State *env = &cpu->env;
1468 KVMState *s = kvm_state;
1469
1470 assert(kvm_enabled());
1471
1472 /* We can't fill the features array here because we don't know yet if
1473 * "migratable" is true or false.
1474 */
1475 cpu->host_features = true;
1476
1477 env->cpuid_level = kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX);
1478 env->cpuid_xlevel = kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX);
1479 env->cpuid_xlevel2 = kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX);
1480
1481 object_property_set_bool(OBJECT(cpu), true, "pmu", &error_abort);
1482 }
1483
1484 static const TypeInfo host_x86_cpu_type_info = {
1485 .name = X86_CPU_TYPE_NAME("host"),
1486 .parent = TYPE_X86_CPU,
1487 .instance_init = host_x86_cpu_initfn,
1488 .class_init = host_x86_cpu_class_init,
1489 };
1490
1491 #endif
1492
1493 static void report_unavailable_features(FeatureWord w, uint32_t mask)
1494 {
1495 FeatureWordInfo *f = &feature_word_info[w];
1496 int i;
1497
1498 for (i = 0; i < 32; ++i) {
1499 if ((1UL << i) & mask) {
1500 const char *reg = get_register_name_32(f->cpuid_reg);
1501 assert(reg);
1502 fprintf(stderr, "warning: %s doesn't support requested feature: "
1503 "CPUID.%02XH:%s%s%s [bit %d]\n",
1504 kvm_enabled() ? "host" : "TCG",
1505 f->cpuid_eax, reg,
1506 f->feat_names[i] ? "." : "",
1507 f->feat_names[i] ? f->feat_names[i] : "", i);
1508 }
1509 }
1510 }
1511
1512 static void x86_cpuid_version_get_family(Object *obj, Visitor *v, void *opaque,
1513 const char *name, Error **errp)
1514 {
1515 X86CPU *cpu = X86_CPU(obj);
1516 CPUX86State *env = &cpu->env;
1517 int64_t value;
1518
1519 value = (env->cpuid_version >> 8) & 0xf;
1520 if (value == 0xf) {
1521 value += (env->cpuid_version >> 20) & 0xff;
1522 }
1523 visit_type_int(v, &value, name, errp);
1524 }
1525
1526 static void x86_cpuid_version_set_family(Object *obj, Visitor *v, void *opaque,
1527 const char *name, Error **errp)
1528 {
1529 X86CPU *cpu = X86_CPU(obj);
1530 CPUX86State *env = &cpu->env;
1531 const int64_t min = 0;
1532 const int64_t max = 0xff + 0xf;
1533 Error *local_err = NULL;
1534 int64_t value;
1535
1536 visit_type_int(v, &value, name, &local_err);
1537 if (local_err) {
1538 error_propagate(errp, local_err);
1539 return;
1540 }
1541 if (value < min || value > max) {
1542 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1543 name ? name : "null", value, min, max);
1544 return;
1545 }
1546
1547 env->cpuid_version &= ~0xff00f00;
1548 if (value > 0x0f) {
1549 env->cpuid_version |= 0xf00 | ((value - 0x0f) << 20);
1550 } else {
1551 env->cpuid_version |= value << 8;
1552 }
1553 }
1554
1555 static void x86_cpuid_version_get_model(Object *obj, Visitor *v, void *opaque,
1556 const char *name, Error **errp)
1557 {
1558 X86CPU *cpu = X86_CPU(obj);
1559 CPUX86State *env = &cpu->env;
1560 int64_t value;
1561
1562 value = (env->cpuid_version >> 4) & 0xf;
1563 value |= ((env->cpuid_version >> 16) & 0xf) << 4;
1564 visit_type_int(v, &value, name, errp);
1565 }
1566
1567 static void x86_cpuid_version_set_model(Object *obj, Visitor *v, void *opaque,
1568 const char *name, Error **errp)
1569 {
1570 X86CPU *cpu = X86_CPU(obj);
1571 CPUX86State *env = &cpu->env;
1572 const int64_t min = 0;
1573 const int64_t max = 0xff;
1574 Error *local_err = NULL;
1575 int64_t value;
1576
1577 visit_type_int(v, &value, name, &local_err);
1578 if (local_err) {
1579 error_propagate(errp, local_err);
1580 return;
1581 }
1582 if (value < min || value > max) {
1583 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1584 name ? name : "null", value, min, max);
1585 return;
1586 }
1587
1588 env->cpuid_version &= ~0xf00f0;
1589 env->cpuid_version |= ((value & 0xf) << 4) | ((value >> 4) << 16);
1590 }
1591
1592 static void x86_cpuid_version_get_stepping(Object *obj, Visitor *v,
1593 void *opaque, const char *name,
1594 Error **errp)
1595 {
1596 X86CPU *cpu = X86_CPU(obj);
1597 CPUX86State *env = &cpu->env;
1598 int64_t value;
1599
1600 value = env->cpuid_version & 0xf;
1601 visit_type_int(v, &value, name, errp);
1602 }
1603
1604 static void x86_cpuid_version_set_stepping(Object *obj, Visitor *v,
1605 void *opaque, const char *name,
1606 Error **errp)
1607 {
1608 X86CPU *cpu = X86_CPU(obj);
1609 CPUX86State *env = &cpu->env;
1610 const int64_t min = 0;
1611 const int64_t max = 0xf;
1612 Error *local_err = NULL;
1613 int64_t value;
1614
1615 visit_type_int(v, &value, name, &local_err);
1616 if (local_err) {
1617 error_propagate(errp, local_err);
1618 return;
1619 }
1620 if (value < min || value > max) {
1621 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1622 name ? name : "null", value, min, max);
1623 return;
1624 }
1625
1626 env->cpuid_version &= ~0xf;
1627 env->cpuid_version |= value & 0xf;
1628 }
1629
1630 static char *x86_cpuid_get_vendor(Object *obj, Error **errp)
1631 {
1632 X86CPU *cpu = X86_CPU(obj);
1633 CPUX86State *env = &cpu->env;
1634 char *value;
1635
1636 value = g_malloc(CPUID_VENDOR_SZ + 1);
1637 x86_cpu_vendor_words2str(value, env->cpuid_vendor1, env->cpuid_vendor2,
1638 env->cpuid_vendor3);
1639 return value;
1640 }
1641
1642 static void x86_cpuid_set_vendor(Object *obj, const char *value,
1643 Error **errp)
1644 {
1645 X86CPU *cpu = X86_CPU(obj);
1646 CPUX86State *env = &cpu->env;
1647 int i;
1648
1649 if (strlen(value) != CPUID_VENDOR_SZ) {
1650 error_setg(errp, QERR_PROPERTY_VALUE_BAD, "", "vendor", value);
1651 return;
1652 }
1653
1654 env->cpuid_vendor1 = 0;
1655 env->cpuid_vendor2 = 0;
1656 env->cpuid_vendor3 = 0;
1657 for (i = 0; i < 4; i++) {
1658 env->cpuid_vendor1 |= ((uint8_t)value[i ]) << (8 * i);
1659 env->cpuid_vendor2 |= ((uint8_t)value[i + 4]) << (8 * i);
1660 env->cpuid_vendor3 |= ((uint8_t)value[i + 8]) << (8 * i);
1661 }
1662 }
1663
1664 static char *x86_cpuid_get_model_id(Object *obj, Error **errp)
1665 {
1666 X86CPU *cpu = X86_CPU(obj);
1667 CPUX86State *env = &cpu->env;
1668 char *value;
1669 int i;
1670
1671 value = g_malloc(48 + 1);
1672 for (i = 0; i < 48; i++) {
1673 value[i] = env->cpuid_model[i >> 2] >> (8 * (i & 3));
1674 }
1675 value[48] = '\0';
1676 return value;
1677 }
1678
1679 static void x86_cpuid_set_model_id(Object *obj, const char *model_id,
1680 Error **errp)
1681 {
1682 X86CPU *cpu = X86_CPU(obj);
1683 CPUX86State *env = &cpu->env;
1684 int c, len, i;
1685
1686 if (model_id == NULL) {
1687 model_id = "";
1688 }
1689 len = strlen(model_id);
1690 memset(env->cpuid_model, 0, 48);
1691 for (i = 0; i < 48; i++) {
1692 if (i >= len) {
1693 c = '\0';
1694 } else {
1695 c = (uint8_t)model_id[i];
1696 }
1697 env->cpuid_model[i >> 2] |= c << (8 * (i & 3));
1698 }
1699 }
1700
1701 static void x86_cpuid_get_tsc_freq(Object *obj, Visitor *v, void *opaque,
1702 const char *name, Error **errp)
1703 {
1704 X86CPU *cpu = X86_CPU(obj);
1705 int64_t value;
1706
1707 value = cpu->env.tsc_khz * 1000;
1708 visit_type_int(v, &value, name, errp);
1709 }
1710
1711 static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, void *opaque,
1712 const char *name, Error **errp)
1713 {
1714 X86CPU *cpu = X86_CPU(obj);
1715 const int64_t min = 0;
1716 const int64_t max = INT64_MAX;
1717 Error *local_err = NULL;
1718 int64_t value;
1719
1720 visit_type_int(v, &value, name, &local_err);
1721 if (local_err) {
1722 error_propagate(errp, local_err);
1723 return;
1724 }
1725 if (value < min || value > max) {
1726 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1727 name ? name : "null", value, min, max);
1728 return;
1729 }
1730
1731 cpu->env.tsc_khz = value / 1000;
1732 }
1733
1734 static void x86_cpuid_get_apic_id(Object *obj, Visitor *v, void *opaque,
1735 const char *name, Error **errp)
1736 {
1737 X86CPU *cpu = X86_CPU(obj);
1738 int64_t value = cpu->apic_id;
1739
1740 visit_type_int(v, &value, name, errp);
1741 }
1742
1743 static void x86_cpuid_set_apic_id(Object *obj, Visitor *v, void *opaque,
1744 const char *name, Error **errp)
1745 {
1746 X86CPU *cpu = X86_CPU(obj);
1747 DeviceState *dev = DEVICE(obj);
1748 const int64_t min = 0;
1749 const int64_t max = UINT32_MAX;
1750 Error *error = NULL;
1751 int64_t value;
1752
1753 if (dev->realized) {
1754 error_setg(errp, "Attempt to set property '%s' on '%s' after "
1755 "it was realized", name, object_get_typename(obj));
1756 return;
1757 }
1758
1759 visit_type_int(v, &value, name, &error);
1760 if (error) {
1761 error_propagate(errp, error);
1762 return;
1763 }
1764 if (value < min || value > max) {
1765 error_setg(errp, "Property %s.%s doesn't take value %" PRId64
1766 " (minimum: %" PRId64 ", maximum: %" PRId64 ")" ,
1767 object_get_typename(obj), name, value, min, max);
1768 return;
1769 }
1770
1771 if ((value != cpu->apic_id) && cpu_exists(value)) {
1772 error_setg(errp, "CPU with APIC ID %" PRIi64 " exists", value);
1773 return;
1774 }
1775 cpu->apic_id = value;
1776 }
1777
1778 /* Generic getter for "feature-words" and "filtered-features" properties */
1779 static void x86_cpu_get_feature_words(Object *obj, Visitor *v, void *opaque,
1780 const char *name, Error **errp)
1781 {
1782 uint32_t *array = (uint32_t *)opaque;
1783 FeatureWord w;
1784 Error *err = NULL;
1785 X86CPUFeatureWordInfo word_infos[FEATURE_WORDS] = { };
1786 X86CPUFeatureWordInfoList list_entries[FEATURE_WORDS] = { };
1787 X86CPUFeatureWordInfoList *list = NULL;
1788
1789 for (w = 0; w < FEATURE_WORDS; w++) {
1790 FeatureWordInfo *wi = &feature_word_info[w];
1791 X86CPUFeatureWordInfo *qwi = &word_infos[w];
1792 qwi->cpuid_input_eax = wi->cpuid_eax;
1793 qwi->has_cpuid_input_ecx = wi->cpuid_needs_ecx;
1794 qwi->cpuid_input_ecx = wi->cpuid_ecx;
1795 qwi->cpuid_register = x86_reg_info_32[wi->cpuid_reg].qapi_enum;
1796 qwi->features = array[w];
1797
1798 /* List will be in reverse order, but order shouldn't matter */
1799 list_entries[w].next = list;
1800 list_entries[w].value = &word_infos[w];
1801 list = &list_entries[w];
1802 }
1803
1804 visit_type_X86CPUFeatureWordInfoList(v, &list, "feature-words", &err);
1805 error_propagate(errp, err);
1806 }
1807
1808 static void x86_get_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
1809 const char *name, Error **errp)
1810 {
1811 X86CPU *cpu = X86_CPU(obj);
1812 int64_t value = cpu->hyperv_spinlock_attempts;
1813
1814 visit_type_int(v, &value, name, errp);
1815 }
1816
1817 static void x86_set_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
1818 const char *name, Error **errp)
1819 {
1820 const int64_t min = 0xFFF;
1821 const int64_t max = UINT_MAX;
1822 X86CPU *cpu = X86_CPU(obj);
1823 Error *err = NULL;
1824 int64_t value;
1825
1826 visit_type_int(v, &value, name, &err);
1827 if (err) {
1828 error_propagate(errp, err);
1829 return;
1830 }
1831
1832 if (value < min || value > max) {
1833 error_setg(errp, "Property %s.%s doesn't take value %" PRId64
1834 " (minimum: %" PRId64 ", maximum: %" PRId64 ")",
1835 object_get_typename(obj), name ? name : "null",
1836 value, min, max);
1837 return;
1838 }
1839 cpu->hyperv_spinlock_attempts = value;
1840 }
1841
1842 static PropertyInfo qdev_prop_spinlocks = {
1843 .name = "int",
1844 .get = x86_get_hv_spinlocks,
1845 .set = x86_set_hv_spinlocks,
1846 };
1847
1848 /* Convert all '_' in a feature string option name to '-', to make feature
1849 * name conform to QOM property naming rule, which uses '-' instead of '_'.
1850 */
1851 static inline void feat2prop(char *s)
1852 {
1853 while ((s = strchr(s, '_'))) {
1854 *s = '-';
1855 }
1856 }
1857
1858 /* Parse "+feature,-feature,feature=foo" CPU feature string
1859 */
1860 static void x86_cpu_parse_featurestr(CPUState *cs, char *features,
1861 Error **errp)
1862 {
1863 X86CPU *cpu = X86_CPU(cs);
1864 char *featurestr; /* Single 'key=value" string being parsed */
1865 FeatureWord w;
1866 /* Features to be added */
1867 FeatureWordArray plus_features = { 0 };
1868 /* Features to be removed */
1869 FeatureWordArray minus_features = { 0 };
1870 uint32_t numvalue;
1871 CPUX86State *env = &cpu->env;
1872 Error *local_err = NULL;
1873
1874 featurestr = features ? strtok(features, ",") : NULL;
1875
1876 while (featurestr) {
1877 char *val;
1878 if (featurestr[0] == '+') {
1879 add_flagname_to_bitmaps(featurestr + 1, plus_features, &local_err);
1880 } else if (featurestr[0] == '-') {
1881 add_flagname_to_bitmaps(featurestr + 1, minus_features, &local_err);
1882 } else if ((val = strchr(featurestr, '='))) {
1883 *val = 0; val++;
1884 feat2prop(featurestr);
1885 if (!strcmp(featurestr, "xlevel")) {
1886 char *err;
1887 char num[32];
1888
1889 numvalue = strtoul(val, &err, 0);
1890 if (!*val || *err) {
1891 error_setg(errp, "bad numerical value %s", val);
1892 return;
1893 }
1894 if (numvalue < 0x80000000) {
1895 error_report("xlevel value shall always be >= 0x80000000"
1896 ", fixup will be removed in future versions");
1897 numvalue += 0x80000000;
1898 }
1899 snprintf(num, sizeof(num), "%" PRIu32, numvalue);
1900 object_property_parse(OBJECT(cpu), num, featurestr, &local_err);
1901 } else if (!strcmp(featurestr, "tsc-freq")) {
1902 int64_t tsc_freq;
1903 char *err;
1904 char num[32];
1905
1906 tsc_freq = qemu_strtosz_suffix_unit(val, &err,
1907 QEMU_STRTOSZ_DEFSUFFIX_B, 1000);
1908 if (tsc_freq < 0 || *err) {
1909 error_setg(errp, "bad numerical value %s", val);
1910 return;
1911 }
1912 snprintf(num, sizeof(num), "%" PRId64, tsc_freq);
1913 object_property_parse(OBJECT(cpu), num, "tsc-frequency",
1914 &local_err);
1915 } else if (!strcmp(featurestr, "hv-spinlocks")) {
1916 char *err;
1917 const int min = 0xFFF;
1918 char num[32];
1919 numvalue = strtoul(val, &err, 0);
1920 if (!*val || *err) {
1921 error_setg(errp, "bad numerical value %s", val);
1922 return;
1923 }
1924 if (numvalue < min) {
1925 error_report("hv-spinlocks value shall always be >= 0x%x"
1926 ", fixup will be removed in future versions",
1927 min);
1928 numvalue = min;
1929 }
1930 snprintf(num, sizeof(num), "%" PRId32, numvalue);
1931 object_property_parse(OBJECT(cpu), num, featurestr, &local_err);
1932 } else {
1933 object_property_parse(OBJECT(cpu), val, featurestr, &local_err);
1934 }
1935 } else {
1936 feat2prop(featurestr);
1937 object_property_parse(OBJECT(cpu), "on", featurestr, &local_err);
1938 }
1939 if (local_err) {
1940 error_propagate(errp, local_err);
1941 return;
1942 }
1943 featurestr = strtok(NULL, ",");
1944 }
1945
1946 if (cpu->host_features) {
1947 for (w = 0; w < FEATURE_WORDS; w++) {
1948 env->features[w] =
1949 x86_cpu_get_supported_feature_word(w, cpu->migratable);
1950 }
1951 }
1952
1953 for (w = 0; w < FEATURE_WORDS; w++) {
1954 env->features[w] |= plus_features[w];
1955 env->features[w] &= ~minus_features[w];
1956 }
1957 }
1958
1959 /* Print all cpuid feature names in featureset
1960 */
1961 static void listflags(FILE *f, fprintf_function print, const char **featureset)
1962 {
1963 int bit;
1964 bool first = true;
1965
1966 for (bit = 0; bit < 32; bit++) {
1967 if (featureset[bit]) {
1968 print(f, "%s%s", first ? "" : " ", featureset[bit]);
1969 first = false;
1970 }
1971 }
1972 }
1973
1974 /* generate CPU information. */
1975 void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf)
1976 {
1977 X86CPUDefinition *def;
1978 char buf[256];
1979 int i;
1980
1981 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
1982 def = &builtin_x86_defs[i];
1983 snprintf(buf, sizeof(buf), "%s", def->name);
1984 (*cpu_fprintf)(f, "x86 %16s %-48s\n", buf, def->model_id);
1985 }
1986 #ifdef CONFIG_KVM
1987 (*cpu_fprintf)(f, "x86 %16s %-48s\n", "host",
1988 "KVM processor with all supported host features "
1989 "(only available in KVM mode)");
1990 #endif
1991
1992 (*cpu_fprintf)(f, "\nRecognized CPUID flags:\n");
1993 for (i = 0; i < ARRAY_SIZE(feature_word_info); i++) {
1994 FeatureWordInfo *fw = &feature_word_info[i];
1995
1996 (*cpu_fprintf)(f, " ");
1997 listflags(f, cpu_fprintf, fw->feat_names);
1998 (*cpu_fprintf)(f, "\n");
1999 }
2000 }
2001
2002 CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp)
2003 {
2004 CpuDefinitionInfoList *cpu_list = NULL;
2005 X86CPUDefinition *def;
2006 int i;
2007
2008 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
2009 CpuDefinitionInfoList *entry;
2010 CpuDefinitionInfo *info;
2011
2012 def = &builtin_x86_defs[i];
2013 info = g_malloc0(sizeof(*info));
2014 info->name = g_strdup(def->name);
2015
2016 entry = g_malloc0(sizeof(*entry));
2017 entry->value = info;
2018 entry->next = cpu_list;
2019 cpu_list = entry;
2020 }
2021
2022 return cpu_list;
2023 }
2024
2025 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w,
2026 bool migratable_only)
2027 {
2028 FeatureWordInfo *wi = &feature_word_info[w];
2029 uint32_t r;
2030
2031 if (kvm_enabled()) {
2032 r = kvm_arch_get_supported_cpuid(kvm_state, wi->cpuid_eax,
2033 wi->cpuid_ecx,
2034 wi->cpuid_reg);
2035 } else if (tcg_enabled()) {
2036 r = wi->tcg_features;
2037 } else {
2038 return ~0;
2039 }
2040 if (migratable_only) {
2041 r &= x86_cpu_get_migratable_flags(w);
2042 }
2043 return r;
2044 }
2045
2046 /*
2047 * Filters CPU feature words based on host availability of each feature.
2048 *
2049 * Returns: 0 if all flags are supported by the host, non-zero otherwise.
2050 */
2051 static int x86_cpu_filter_features(X86CPU *cpu)
2052 {
2053 CPUX86State *env = &cpu->env;
2054 FeatureWord w;
2055 int rv = 0;
2056
2057 for (w = 0; w < FEATURE_WORDS; w++) {
2058 uint32_t host_feat =
2059 x86_cpu_get_supported_feature_word(w, cpu->migratable);
2060 uint32_t requested_features = env->features[w];
2061 env->features[w] &= host_feat;
2062 cpu->filtered_features[w] = requested_features & ~env->features[w];
2063 if (cpu->filtered_features[w]) {
2064 if (cpu->check_cpuid || cpu->enforce_cpuid) {
2065 report_unavailable_features(w, cpu->filtered_features[w]);
2066 }
2067 rv = 1;
2068 }
2069 }
2070
2071 return rv;
2072 }
2073
2074 static void x86_cpu_apply_props(X86CPU *cpu, PropValue *props)
2075 {
2076 PropValue *pv;
2077 for (pv = props; pv->prop; pv++) {
2078 if (!pv->value) {
2079 continue;
2080 }
2081 object_property_parse(OBJECT(cpu), pv->value, pv->prop,
2082 &error_abort);
2083 }
2084 }
2085
2086 /* Load data from X86CPUDefinition
2087 */
2088 static void x86_cpu_load_def(X86CPU *cpu, X86CPUDefinition *def, Error **errp)
2089 {
2090 CPUX86State *env = &cpu->env;
2091 const char *vendor;
2092 char host_vendor[CPUID_VENDOR_SZ + 1];
2093 FeatureWord w;
2094
2095 object_property_set_int(OBJECT(cpu), def->level, "level", errp);
2096 object_property_set_int(OBJECT(cpu), def->family, "family", errp);
2097 object_property_set_int(OBJECT(cpu), def->model, "model", errp);
2098 object_property_set_int(OBJECT(cpu), def->stepping, "stepping", errp);
2099 object_property_set_int(OBJECT(cpu), def->xlevel, "xlevel", errp);
2100 object_property_set_int(OBJECT(cpu), def->xlevel2, "xlevel2", errp);
2101 object_property_set_str(OBJECT(cpu), def->model_id, "model-id", errp);
2102 for (w = 0; w < FEATURE_WORDS; w++) {
2103 env->features[w] = def->features[w];
2104 }
2105
2106 /* Special cases not set in the X86CPUDefinition structs: */
2107 if (kvm_enabled()) {
2108 x86_cpu_apply_props(cpu, kvm_default_props);
2109 }
2110
2111 env->features[FEAT_1_ECX] |= CPUID_EXT_HYPERVISOR;
2112
2113 /* sysenter isn't supported in compatibility mode on AMD,
2114 * syscall isn't supported in compatibility mode on Intel.
2115 * Normally we advertise the actual CPU vendor, but you can
2116 * override this using the 'vendor' property if you want to use
2117 * KVM's sysenter/syscall emulation in compatibility mode and
2118 * when doing cross vendor migration
2119 */
2120 vendor = def->vendor;
2121 if (kvm_enabled()) {
2122 uint32_t ebx = 0, ecx = 0, edx = 0;
2123 host_cpuid(0, 0, NULL, &ebx, &ecx, &edx);
2124 x86_cpu_vendor_words2str(host_vendor, ebx, edx, ecx);
2125 vendor = host_vendor;
2126 }
2127
2128 object_property_set_str(OBJECT(cpu), vendor, "vendor", errp);
2129
2130 }
2131
2132 X86CPU *cpu_x86_create(const char *cpu_model, Error **errp)
2133 {
2134 X86CPU *cpu = NULL;
2135 X86CPUClass *xcc;
2136 ObjectClass *oc;
2137 gchar **model_pieces;
2138 char *name, *features;
2139 Error *error = NULL;
2140
2141 model_pieces = g_strsplit(cpu_model, ",", 2);
2142 if (!model_pieces[0]) {
2143 error_setg(&error, "Invalid/empty CPU model name");
2144 goto out;
2145 }
2146 name = model_pieces[0];
2147 features = model_pieces[1];
2148
2149 oc = x86_cpu_class_by_name(name);
2150 if (oc == NULL) {
2151 error_setg(&error, "Unable to find CPU definition: %s", name);
2152 goto out;
2153 }
2154 xcc = X86_CPU_CLASS(oc);
2155
2156 if (xcc->kvm_required && !kvm_enabled()) {
2157 error_setg(&error, "CPU model '%s' requires KVM", name);
2158 goto out;
2159 }
2160
2161 cpu = X86_CPU(object_new(object_class_get_name(oc)));
2162
2163 x86_cpu_parse_featurestr(CPU(cpu), features, &error);
2164 if (error) {
2165 goto out;
2166 }
2167
2168 out:
2169 if (error != NULL) {
2170 error_propagate(errp, error);
2171 if (cpu) {
2172 object_unref(OBJECT(cpu));
2173 cpu = NULL;
2174 }
2175 }
2176 g_strfreev(model_pieces);
2177 return cpu;
2178 }
2179
2180 X86CPU *cpu_x86_init(const char *cpu_model)
2181 {
2182 Error *error = NULL;
2183 X86CPU *cpu;
2184
2185 cpu = cpu_x86_create(cpu_model, &error);
2186 if (error) {
2187 goto out;
2188 }
2189
2190 object_property_set_bool(OBJECT(cpu), true, "realized", &error);
2191
2192 out:
2193 if (error) {
2194 error_report_err(error);
2195 if (cpu != NULL) {
2196 object_unref(OBJECT(cpu));
2197 cpu = NULL;
2198 }
2199 }
2200 return cpu;
2201 }
2202
2203 static void x86_cpu_cpudef_class_init(ObjectClass *oc, void *data)
2204 {
2205 X86CPUDefinition *cpudef = data;
2206 X86CPUClass *xcc = X86_CPU_CLASS(oc);
2207
2208 xcc->cpu_def = cpudef;
2209 }
2210
2211 static void x86_register_cpudef_type(X86CPUDefinition *def)
2212 {
2213 char *typename = x86_cpu_type_name(def->name);
2214 TypeInfo ti = {
2215 .name = typename,
2216 .parent = TYPE_X86_CPU,
2217 .class_init = x86_cpu_cpudef_class_init,
2218 .class_data = def,
2219 };
2220
2221 type_register(&ti);
2222 g_free(typename);
2223 }
2224
2225 #if !defined(CONFIG_USER_ONLY)
2226
2227 void cpu_clear_apic_feature(CPUX86State *env)
2228 {
2229 env->features[FEAT_1_EDX] &= ~CPUID_APIC;
2230 }
2231
2232 #endif /* !CONFIG_USER_ONLY */
2233
2234 /* Initialize list of CPU models, filling some non-static fields if necessary
2235 */
2236 void x86_cpudef_setup(void)
2237 {
2238 int i, j;
2239 static const char *model_with_versions[] = { "qemu32", "qemu64", "athlon" };
2240
2241 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); ++i) {
2242 X86CPUDefinition *def = &builtin_x86_defs[i];
2243
2244 /* Look for specific "cpudef" models that */
2245 /* have the QEMU version in .model_id */
2246 for (j = 0; j < ARRAY_SIZE(model_with_versions); j++) {
2247 if (strcmp(model_with_versions[j], def->name) == 0) {
2248 pstrcpy(def->model_id, sizeof(def->model_id),
2249 "QEMU Virtual CPU version ");
2250 pstrcat(def->model_id, sizeof(def->model_id),
2251 qemu_hw_version());
2252 break;
2253 }
2254 }
2255 }
2256 }
2257
2258 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
2259 uint32_t *eax, uint32_t *ebx,
2260 uint32_t *ecx, uint32_t *edx)
2261 {
2262 X86CPU *cpu = x86_env_get_cpu(env);
2263 CPUState *cs = CPU(cpu);
2264
2265 /* test if maximum index reached */
2266 if (index & 0x80000000) {
2267 if (index > env->cpuid_xlevel) {
2268 if (env->cpuid_xlevel2 > 0) {
2269 /* Handle the Centaur's CPUID instruction. */
2270 if (index > env->cpuid_xlevel2) {
2271 index = env->cpuid_xlevel2;
2272 } else if (index < 0xC0000000) {
2273 index = env->cpuid_xlevel;
2274 }
2275 } else {
2276 /* Intel documentation states that invalid EAX input will
2277 * return the same information as EAX=cpuid_level
2278 * (Intel SDM Vol. 2A - Instruction Set Reference - CPUID)
2279 */
2280 index = env->cpuid_level;
2281 }
2282 }
2283 } else {
2284 if (index > env->cpuid_level)
2285 index = env->cpuid_level;
2286 }
2287
2288 switch(index) {
2289 case 0:
2290 *eax = env->cpuid_level;
2291 *ebx = env->cpuid_vendor1;
2292 *edx = env->cpuid_vendor2;
2293 *ecx = env->cpuid_vendor3;
2294 break;
2295 case 1:
2296 *eax = env->cpuid_version;
2297 *ebx = (cpu->apic_id << 24) |
2298 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */
2299 *ecx = env->features[FEAT_1_ECX];
2300 *edx = env->features[FEAT_1_EDX];
2301 if (cs->nr_cores * cs->nr_threads > 1) {
2302 *ebx |= (cs->nr_cores * cs->nr_threads) << 16;
2303 *edx |= 1 << 28; /* HTT bit */
2304 }
2305 break;
2306 case 2:
2307 /* cache info: needed for Pentium Pro compatibility */
2308 if (cpu->cache_info_passthrough) {
2309 host_cpuid(index, 0, eax, ebx, ecx, edx);
2310 break;
2311 }
2312 *eax = 1; /* Number of CPUID[EAX=2] calls required */
2313 *ebx = 0;
2314 *ecx = 0;
2315 *edx = (L1D_DESCRIPTOR << 16) | \
2316 (L1I_DESCRIPTOR << 8) | \
2317 (L2_DESCRIPTOR);
2318 break;
2319 case 4:
2320 /* cache info: needed for Core compatibility */
2321 if (cpu->cache_info_passthrough) {
2322 host_cpuid(index, count, eax, ebx, ecx, edx);
2323 *eax &= ~0xFC000000;
2324 } else {
2325 *eax = 0;
2326 switch (count) {
2327 case 0: /* L1 dcache info */
2328 *eax |= CPUID_4_TYPE_DCACHE | \
2329 CPUID_4_LEVEL(1) | \
2330 CPUID_4_SELF_INIT_LEVEL;
2331 *ebx = (L1D_LINE_SIZE - 1) | \
2332 ((L1D_PARTITIONS - 1) << 12) | \
2333 ((L1D_ASSOCIATIVITY - 1) << 22);
2334 *ecx = L1D_SETS - 1;
2335 *edx = CPUID_4_NO_INVD_SHARING;
2336 break;
2337 case 1: /* L1 icache info */
2338 *eax |= CPUID_4_TYPE_ICACHE | \
2339 CPUID_4_LEVEL(1) | \
2340 CPUID_4_SELF_INIT_LEVEL;
2341 *ebx = (L1I_LINE_SIZE - 1) | \
2342 ((L1I_PARTITIONS - 1) << 12) | \
2343 ((L1I_ASSOCIATIVITY - 1) << 22);
2344 *ecx = L1I_SETS - 1;
2345 *edx = CPUID_4_NO_INVD_SHARING;
2346 break;
2347 case 2: /* L2 cache info */
2348 *eax |= CPUID_4_TYPE_UNIFIED | \
2349 CPUID_4_LEVEL(2) | \
2350 CPUID_4_SELF_INIT_LEVEL;
2351 if (cs->nr_threads > 1) {
2352 *eax |= (cs->nr_threads - 1) << 14;
2353 }
2354 *ebx = (L2_LINE_SIZE - 1) | \
2355 ((L2_PARTITIONS - 1) << 12) | \
2356 ((L2_ASSOCIATIVITY - 1) << 22);
2357 *ecx = L2_SETS - 1;
2358 *edx = CPUID_4_NO_INVD_SHARING;
2359 break;
2360 default: /* end of info */
2361 *eax = 0;
2362 *ebx = 0;
2363 *ecx = 0;
2364 *edx = 0;
2365 break;
2366 }
2367 }
2368
2369 /* QEMU gives out its own APIC IDs, never pass down bits 31..26. */
2370 if ((*eax & 31) && cs->nr_cores > 1) {
2371 *eax |= (cs->nr_cores - 1) << 26;
2372 }
2373 break;
2374 case 5:
2375 /* mwait info: needed for Core compatibility */
2376 *eax = 0; /* Smallest monitor-line size in bytes */
2377 *ebx = 0; /* Largest monitor-line size in bytes */
2378 *ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE;
2379 *edx = 0;
2380 break;
2381 case 6:
2382 /* Thermal and Power Leaf */
2383 *eax = env->features[FEAT_6_EAX];
2384 *ebx = 0;
2385 *ecx = 0;
2386 *edx = 0;
2387 break;
2388 case 7:
2389 /* Structured Extended Feature Flags Enumeration Leaf */
2390 if (count == 0) {
2391 *eax = 0; /* Maximum ECX value for sub-leaves */
2392 *ebx = env->features[FEAT_7_0_EBX]; /* Feature flags */
2393 *ecx = 0; /* Reserved */
2394 *edx = 0; /* Reserved */
2395 } else {
2396 *eax = 0;
2397 *ebx = 0;
2398 *ecx = 0;
2399 *edx = 0;
2400 }
2401 break;
2402 case 9:
2403 /* Direct Cache Access Information Leaf */
2404 *eax = 0; /* Bits 0-31 in DCA_CAP MSR */
2405 *ebx = 0;
2406 *ecx = 0;
2407 *edx = 0;
2408 break;
2409 case 0xA:
2410 /* Architectural Performance Monitoring Leaf */
2411 if (kvm_enabled() && cpu->enable_pmu) {
2412 KVMState *s = cs->kvm_state;
2413
2414 *eax = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EAX);
2415 *ebx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EBX);
2416 *ecx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_ECX);
2417 *edx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EDX);
2418 } else {
2419 *eax = 0;
2420 *ebx = 0;
2421 *ecx = 0;
2422 *edx = 0;
2423 }
2424 break;
2425 case 0xD: {
2426 KVMState *s = cs->kvm_state;
2427 uint64_t kvm_mask;
2428 int i;
2429
2430 /* Processor Extended State */
2431 *eax = 0;
2432 *ebx = 0;
2433 *ecx = 0;
2434 *edx = 0;
2435 if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE) || !kvm_enabled()) {
2436 break;
2437 }
2438 kvm_mask =
2439 kvm_arch_get_supported_cpuid(s, 0xd, 0, R_EAX) |
2440 ((uint64_t)kvm_arch_get_supported_cpuid(s, 0xd, 0, R_EDX) << 32);
2441
2442 if (count == 0) {
2443 *ecx = 0x240;
2444 for (i = 2; i < ARRAY_SIZE(ext_save_areas); i++) {
2445 const ExtSaveArea *esa = &ext_save_areas[i];
2446 if ((env->features[esa->feature] & esa->bits) == esa->bits &&
2447 (kvm_mask & (1 << i)) != 0) {
2448 if (i < 32) {
2449 *eax |= 1 << i;
2450 } else {
2451 *edx |= 1 << (i - 32);
2452 }
2453 *ecx = MAX(*ecx, esa->offset + esa->size);
2454 }
2455 }
2456 *eax |= kvm_mask & (XSTATE_FP | XSTATE_SSE);
2457 *ebx = *ecx;
2458 } else if (count == 1) {
2459 *eax = env->features[FEAT_XSAVE];
2460 } else if (count < ARRAY_SIZE(ext_save_areas)) {
2461 const ExtSaveArea *esa = &ext_save_areas[count];
2462 if ((env->features[esa->feature] & esa->bits) == esa->bits &&
2463 (kvm_mask & (1 << count)) != 0) {
2464 *eax = esa->size;
2465 *ebx = esa->offset;
2466 }
2467 }
2468 break;
2469 }
2470 case 0x80000000:
2471 *eax = env->cpuid_xlevel;
2472 *ebx = env->cpuid_vendor1;
2473 *edx = env->cpuid_vendor2;
2474 *ecx = env->cpuid_vendor3;
2475 break;
2476 case 0x80000001:
2477 *eax = env->cpuid_version;
2478 *ebx = 0;
2479 *ecx = env->features[FEAT_8000_0001_ECX];
2480 *edx = env->features[FEAT_8000_0001_EDX];
2481
2482 /* The Linux kernel checks for the CMPLegacy bit and
2483 * discards multiple thread information if it is set.
2484 * So dont set it here for Intel to make Linux guests happy.
2485 */
2486 if (cs->nr_cores * cs->nr_threads > 1) {
2487 if (env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1 ||
2488 env->cpuid_vendor2 != CPUID_VENDOR_INTEL_2 ||
2489 env->cpuid_vendor3 != CPUID_VENDOR_INTEL_3) {
2490 *ecx |= 1 << 1; /* CmpLegacy bit */
2491 }
2492 }
2493 break;
2494 case 0x80000002:
2495 case 0x80000003:
2496 case 0x80000004:
2497 *eax = env->cpuid_model[(index - 0x80000002) * 4 + 0];
2498 *ebx = env->cpuid_model[(index - 0x80000002) * 4 + 1];
2499 *ecx = env->cpuid_model[(index - 0x80000002) * 4 + 2];
2500 *edx = env->cpuid_model[(index - 0x80000002) * 4 + 3];
2501 break;
2502 case 0x80000005:
2503 /* cache info (L1 cache) */
2504 if (cpu->cache_info_passthrough) {
2505 host_cpuid(index, 0, eax, ebx, ecx, edx);
2506 break;
2507 }
2508 *eax = (L1_DTLB_2M_ASSOC << 24) | (L1_DTLB_2M_ENTRIES << 16) | \
2509 (L1_ITLB_2M_ASSOC << 8) | (L1_ITLB_2M_ENTRIES);
2510 *ebx = (L1_DTLB_4K_ASSOC << 24) | (L1_DTLB_4K_ENTRIES << 16) | \
2511 (L1_ITLB_4K_ASSOC << 8) | (L1_ITLB_4K_ENTRIES);
2512 *ecx = (L1D_SIZE_KB_AMD << 24) | (L1D_ASSOCIATIVITY_AMD << 16) | \
2513 (L1D_LINES_PER_TAG << 8) | (L1D_LINE_SIZE);
2514 *edx = (L1I_SIZE_KB_AMD << 24) | (L1I_ASSOCIATIVITY_AMD << 16) | \
2515 (L1I_LINES_PER_TAG << 8) | (L1I_LINE_SIZE);
2516 break;
2517 case 0x80000006:
2518 /* cache info (L2 cache) */
2519 if (cpu->cache_info_passthrough) {
2520 host_cpuid(index, 0, eax, ebx, ecx, edx);
2521 break;
2522 }
2523 *eax = (AMD_ENC_ASSOC(L2_DTLB_2M_ASSOC) << 28) | \
2524 (L2_DTLB_2M_ENTRIES << 16) | \
2525 (AMD_ENC_ASSOC(L2_ITLB_2M_ASSOC) << 12) | \
2526 (L2_ITLB_2M_ENTRIES);
2527 *ebx = (AMD_ENC_ASSOC(L2_DTLB_4K_ASSOC) << 28) | \
2528 (L2_DTLB_4K_ENTRIES << 16) | \
2529 (AMD_ENC_ASSOC(L2_ITLB_4K_ASSOC) << 12) | \
2530 (L2_ITLB_4K_ENTRIES);
2531 *ecx = (L2_SIZE_KB_AMD << 16) | \
2532 (AMD_ENC_ASSOC(L2_ASSOCIATIVITY) << 12) | \
2533 (L2_LINES_PER_TAG << 8) | (L2_LINE_SIZE);
2534 *edx = ((L3_SIZE_KB/512) << 18) | \
2535 (AMD_ENC_ASSOC(L3_ASSOCIATIVITY) << 12) | \
2536 (L3_LINES_PER_TAG << 8) | (L3_LINE_SIZE);
2537 break;
2538 case 0x80000007:
2539 *eax = 0;
2540 *ebx = 0;
2541 *ecx = 0;
2542 *edx = env->features[FEAT_8000_0007_EDX];
2543 break;
2544 case 0x80000008:
2545 /* virtual & phys address size in low 2 bytes. */
2546 /* XXX: This value must match the one used in the MMU code. */
2547 if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) {
2548 /* 64 bit processor */
2549 /* XXX: The physical address space is limited to 42 bits in exec.c. */
2550 *eax = 0x00003028; /* 48 bits virtual, 40 bits physical */
2551 } else {
2552 if (env->features[FEAT_1_EDX] & CPUID_PSE36) {
2553 *eax = 0x00000024; /* 36 bits physical */
2554 } else {
2555 *eax = 0x00000020; /* 32 bits physical */
2556 }
2557 }
2558 *ebx = 0;
2559 *ecx = 0;
2560 *edx = 0;
2561 if (cs->nr_cores * cs->nr_threads > 1) {
2562 *ecx |= (cs->nr_cores * cs->nr_threads) - 1;
2563 }
2564 break;
2565 case 0x8000000A:
2566 if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) {
2567 *eax = 0x00000001; /* SVM Revision */
2568 *ebx = 0x00000010; /* nr of ASIDs */
2569 *ecx = 0;
2570 *edx = env->features[FEAT_SVM]; /* optional features */
2571 } else {
2572 *eax = 0;
2573 *ebx = 0;
2574 *ecx = 0;
2575 *edx = 0;
2576 }
2577 break;
2578 case 0xC0000000:
2579 *eax = env->cpuid_xlevel2;
2580 *ebx = 0;
2581 *ecx = 0;
2582 *edx = 0;
2583 break;
2584 case 0xC0000001:
2585 /* Support for VIA CPU's CPUID instruction */
2586 *eax = env->cpuid_version;
2587 *ebx = 0;
2588 *ecx = 0;
2589 *edx = env->features[FEAT_C000_0001_EDX];
2590 break;
2591 case 0xC0000002:
2592 case 0xC0000003:
2593 case 0xC0000004:
2594 /* Reserved for the future, and now filled with zero */
2595 *eax = 0;
2596 *ebx = 0;
2597 *ecx = 0;
2598 *edx = 0;
2599 break;
2600 default:
2601 /* reserved values: zero */
2602 *eax = 0;
2603 *ebx = 0;
2604 *ecx = 0;
2605 *edx = 0;
2606 break;
2607 }
2608 }
2609
2610 /* CPUClass::reset() */
2611 static void x86_cpu_reset(CPUState *s)
2612 {
2613 X86CPU *cpu = X86_CPU(s);
2614 X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
2615 CPUX86State *env = &cpu->env;
2616 int i;
2617
2618 xcc->parent_reset(s);
2619
2620 memset(env, 0, offsetof(CPUX86State, cpuid_level));
2621
2622 tlb_flush(s, 1);
2623
2624 env->old_exception = -1;
2625
2626 /* init to reset state */
2627
2628 #ifdef CONFIG_SOFTMMU
2629 env->hflags |= HF_SOFTMMU_MASK;
2630 #endif
2631 env->hflags2 |= HF2_GIF_MASK;
2632
2633 cpu_x86_update_cr0(env, 0x60000010);
2634 env->a20_mask = ~0x0;
2635 env->smbase = 0x30000;
2636
2637 env->idt.limit = 0xffff;
2638 env->gdt.limit = 0xffff;
2639 env->ldt.limit = 0xffff;
2640 env->ldt.flags = DESC_P_MASK | (2 << DESC_TYPE_SHIFT);
2641 env->tr.limit = 0xffff;
2642 env->tr.flags = DESC_P_MASK | (11 << DESC_TYPE_SHIFT);
2643
2644 cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff,
2645 DESC_P_MASK | DESC_S_MASK | DESC_CS_MASK |
2646 DESC_R_MASK | DESC_A_MASK);
2647 cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff,
2648 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2649 DESC_A_MASK);
2650 cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff,
2651 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2652 DESC_A_MASK);
2653 cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff,
2654 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2655 DESC_A_MASK);
2656 cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff,
2657 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2658 DESC_A_MASK);
2659 cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff,
2660 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2661 DESC_A_MASK);
2662
2663 env->eip = 0xfff0;
2664 env->regs[R_EDX] = env->cpuid_version;
2665
2666 env->eflags = 0x2;
2667
2668 /* FPU init */
2669 for (i = 0; i < 8; i++) {
2670 env->fptags[i] = 1;
2671 }
2672 cpu_set_fpuc(env, 0x37f);
2673
2674 env->mxcsr = 0x1f80;
2675 env->xstate_bv = XSTATE_FP | XSTATE_SSE;
2676
2677 env->pat = 0x0007040600070406ULL;
2678 env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT;
2679
2680 memset(env->dr, 0, sizeof(env->dr));
2681 env->dr[6] = DR6_FIXED_1;
2682 env->dr[7] = DR7_FIXED_1;
2683 cpu_breakpoint_remove_all(s, BP_CPU);
2684 cpu_watchpoint_remove_all(s, BP_CPU);
2685
2686 env->xcr0 = 1;
2687
2688 /*
2689 * SDM 11.11.5 requires:
2690 * - IA32_MTRR_DEF_TYPE MSR.E = 0
2691 * - IA32_MTRR_PHYSMASKn.V = 0
2692 * All other bits are undefined. For simplification, zero it all.
2693 */
2694 env->mtrr_deftype = 0;
2695 memset(env->mtrr_var, 0, sizeof(env->mtrr_var));
2696 memset(env->mtrr_fixed, 0, sizeof(env->mtrr_fixed));
2697
2698 #if !defined(CONFIG_USER_ONLY)
2699 /* We hard-wire the BSP to the first CPU. */
2700 apic_designate_bsp(cpu->apic_state, s->cpu_index == 0);
2701
2702 s->halted = !cpu_is_bsp(cpu);
2703
2704 if (kvm_enabled()) {
2705 kvm_arch_reset_vcpu(cpu);
2706 }
2707 #endif
2708 }
2709
2710 #ifndef CONFIG_USER_ONLY
2711 bool cpu_is_bsp(X86CPU *cpu)
2712 {
2713 return cpu_get_apic_base(cpu->apic_state) & MSR_IA32_APICBASE_BSP;
2714 }
2715
2716 /* TODO: remove me, when reset over QOM tree is implemented */
2717 static void x86_cpu_machine_reset_cb(void *opaque)
2718 {
2719 X86CPU *cpu = opaque;
2720 cpu_reset(CPU(cpu));
2721 }
2722 #endif
2723
2724 static void mce_init(X86CPU *cpu)
2725 {
2726 CPUX86State *cenv = &cpu->env;
2727 unsigned int bank;
2728
2729 if (((cenv->cpuid_version >> 8) & 0xf) >= 6
2730 && (cenv->features[FEAT_1_EDX] & (CPUID_MCE | CPUID_MCA)) ==
2731 (CPUID_MCE | CPUID_MCA)) {
2732 cenv->mcg_cap = MCE_CAP_DEF | MCE_BANKS_DEF;
2733 cenv->mcg_ctl = ~(uint64_t)0;
2734 for (bank = 0; bank < MCE_BANKS_DEF; bank++) {
2735 cenv->mce_banks[bank * 4] = ~(uint64_t)0;
2736 }
2737 }
2738 }
2739
2740 #ifndef CONFIG_USER_ONLY
2741 static void x86_cpu_apic_create(X86CPU *cpu, Error **errp)
2742 {
2743 APICCommonState *apic;
2744 const char *apic_type = "apic";
2745
2746 if (kvm_apic_in_kernel()) {
2747 apic_type = "kvm-apic";
2748 } else if (xen_enabled()) {
2749 apic_type = "xen-apic";
2750 }
2751
2752 cpu->apic_state = DEVICE(object_new(apic_type));
2753
2754 object_property_add_child(OBJECT(cpu), "apic",
2755 OBJECT(cpu->apic_state), NULL);
2756 qdev_prop_set_uint8(cpu->apic_state, "id", cpu->apic_id);
2757 /* TODO: convert to link<> */
2758 apic = APIC_COMMON(cpu->apic_state);
2759 apic->cpu = cpu;
2760 apic->apicbase = APIC_DEFAULT_ADDRESS | MSR_IA32_APICBASE_ENABLE;
2761 }
2762
2763 static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
2764 {
2765 APICCommonState *apic;
2766 static bool apic_mmio_map_once;
2767
2768 if (cpu->apic_state == NULL) {
2769 return;
2770 }
2771 object_property_set_bool(OBJECT(cpu->apic_state), true, "realized",
2772 errp);
2773
2774 /* Map APIC MMIO area */
2775 apic = APIC_COMMON(cpu->apic_state);
2776 if (!apic_mmio_map_once) {
2777 memory_region_add_subregion_overlap(get_system_memory(),
2778 apic->apicbase &
2779 MSR_IA32_APICBASE_BASE,
2780 &apic->io_memory,
2781 0x1000);
2782 apic_mmio_map_once = true;
2783 }
2784 }
2785
2786 static void x86_cpu_machine_done(Notifier *n, void *unused)
2787 {
2788 X86CPU *cpu = container_of(n, X86CPU, machine_done);
2789 MemoryRegion *smram =
2790 (MemoryRegion *) object_resolve_path("/machine/smram", NULL);
2791
2792 if (smram) {
2793 cpu->smram = g_new(MemoryRegion, 1);
2794 memory_region_init_alias(cpu->smram, OBJECT(cpu), "smram",
2795 smram, 0, 1ull << 32);
2796 memory_region_set_enabled(cpu->smram, false);
2797 memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->smram, 1);
2798 }
2799 }
2800 #else
2801 static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
2802 {
2803 }
2804 #endif
2805
2806
2807 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
2808 (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
2809 (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
2810 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
2811 (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
2812 (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
2813 static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
2814 {
2815 CPUState *cs = CPU(dev);
2816 X86CPU *cpu = X86_CPU(dev);
2817 X86CPUClass *xcc = X86_CPU_GET_CLASS(dev);
2818 CPUX86State *env = &cpu->env;
2819 Error *local_err = NULL;
2820 static bool ht_warned;
2821
2822 if (cpu->apic_id < 0) {
2823 error_setg(errp, "apic-id property was not initialized properly");
2824 return;
2825 }
2826
2827 if (env->features[FEAT_7_0_EBX] && env->cpuid_level < 7) {
2828 env->cpuid_level = 7;
2829 }
2830
2831 /* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on
2832 * CPUID[1].EDX.
2833 */
2834 if (IS_AMD_CPU(env)) {
2835 env->features[FEAT_8000_0001_EDX] &= ~CPUID_EXT2_AMD_ALIASES;
2836 env->features[FEAT_8000_0001_EDX] |= (env->features[FEAT_1_EDX]
2837 & CPUID_EXT2_AMD_ALIASES);
2838 }
2839
2840
2841 if (x86_cpu_filter_features(cpu) && cpu->enforce_cpuid) {
2842 error_setg(&local_err,
2843 kvm_enabled() ?
2844 "Host doesn't support requested features" :
2845 "TCG doesn't support requested features");
2846 goto out;
2847 }
2848
2849 #ifndef CONFIG_USER_ONLY
2850 qemu_register_reset(x86_cpu_machine_reset_cb, cpu);
2851
2852 if (cpu->env.features[FEAT_1_EDX] & CPUID_APIC || smp_cpus > 1) {
2853 x86_cpu_apic_create(cpu, &local_err);
2854 if (local_err != NULL) {
2855 goto out;
2856 }
2857 }
2858 #endif
2859
2860 mce_init(cpu);
2861
2862 #ifndef CONFIG_USER_ONLY
2863 if (tcg_enabled()) {
2864 cpu->cpu_as_mem = g_new(MemoryRegion, 1);
2865 cpu->cpu_as_root = g_new(MemoryRegion, 1);
2866 cs->as = g_new(AddressSpace, 1);
2867
2868 /* Outer container... */
2869 memory_region_init(cpu->cpu_as_root, OBJECT(cpu), "memory", ~0ull);
2870 memory_region_set_enabled(cpu->cpu_as_root, true);
2871
2872 /* ... with two regions inside: normal system memory with low
2873 * priority, and...
2874 */
2875 memory_region_init_alias(cpu->cpu_as_mem, OBJECT(cpu), "memory",
2876 get_system_memory(), 0, ~0ull);
2877 memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->cpu_as_mem, 0);
2878 memory_region_set_enabled(cpu->cpu_as_mem, true);
2879 address_space_init(cs->as, cpu->cpu_as_root, "CPU");
2880
2881 /* ... SMRAM with higher priority, linked from /machine/smram. */
2882 cpu->machine_done.notify = x86_cpu_machine_done;
2883 qemu_add_machine_init_done_notifier(&cpu->machine_done);
2884 }
2885 #endif
2886
2887 qemu_init_vcpu(cs);
2888
2889 /* Only Intel CPUs support hyperthreading. Even though QEMU fixes this
2890 * issue by adjusting CPUID_0000_0001_EBX and CPUID_8000_0008_ECX
2891 * based on inputs (sockets,cores,threads), it is still better to gives
2892 * users a warning.
2893 *
2894 * NOTE: the following code has to follow qemu_init_vcpu(). Otherwise
2895 * cs->nr_threads hasn't be populated yet and the checking is incorrect.
2896 */
2897 if (!IS_INTEL_CPU(env) && cs->nr_threads > 1 && !ht_warned) {
2898 error_report("AMD CPU doesn't support hyperthreading. Please configure"
2899 " -smp options properly.");
2900 ht_warned = true;
2901 }
2902
2903 x86_cpu_apic_realize(cpu, &local_err);
2904 if (local_err != NULL) {
2905 goto out;
2906 }
2907 cpu_reset(cs);
2908
2909 xcc->parent_realize(dev, &local_err);
2910
2911 out:
2912 if (local_err != NULL) {
2913 error_propagate(errp, local_err);
2914 return;
2915 }
2916 }
2917
2918 typedef struct BitProperty {
2919 uint32_t *ptr;
2920 uint32_t mask;
2921 } BitProperty;
2922
2923 static void x86_cpu_get_bit_prop(Object *obj,
2924 struct Visitor *v,
2925 void *opaque,
2926 const char *name,
2927 Error **errp)
2928 {
2929 BitProperty *fp = opaque;
2930 bool value = (*fp->ptr & fp->mask) == fp->mask;
2931 visit_type_bool(v, &value, name, errp);
2932 }
2933
2934 static void x86_cpu_set_bit_prop(Object *obj,
2935 struct Visitor *v,
2936 void *opaque,
2937 const char *name,
2938 Error **errp)
2939 {
2940 DeviceState *dev = DEVICE(obj);
2941 BitProperty *fp = opaque;
2942 Error *local_err = NULL;
2943 bool value;
2944
2945 if (dev->realized) {
2946 qdev_prop_set_after_realize(dev, name, errp);
2947 return;
2948 }
2949
2950 visit_type_bool(v, &value, name, &local_err);
2951 if (local_err) {
2952 error_propagate(errp, local_err);
2953 return;
2954 }
2955
2956 if (value) {
2957 *fp->ptr |= fp->mask;
2958 } else {
2959 *fp->ptr &= ~fp->mask;
2960 }
2961 }
2962
2963 static void x86_cpu_release_bit_prop(Object *obj, const char *name,
2964 void *opaque)
2965 {
2966 BitProperty *prop = opaque;
2967 g_free(prop);
2968 }
2969
2970 /* Register a boolean property to get/set a single bit in a uint32_t field.
2971 *
2972 * The same property name can be registered multiple times to make it affect
2973 * multiple bits in the same FeatureWord. In that case, the getter will return
2974 * true only if all bits are set.
2975 */
2976 static void x86_cpu_register_bit_prop(X86CPU *cpu,
2977 const char *prop_name,
2978 uint32_t *field,
2979 int bitnr)
2980 {
2981 BitProperty *fp;
2982 ObjectProperty *op;
2983 uint32_t mask = (1UL << bitnr);
2984
2985 op = object_property_find(OBJECT(cpu), prop_name, NULL);
2986 if (op) {
2987 fp = op->opaque;
2988 assert(fp->ptr == field);
2989 fp->mask |= mask;
2990 } else {
2991 fp = g_new0(BitProperty, 1);
2992 fp->ptr = field;
2993 fp->mask = mask;
2994 object_property_add(OBJECT(cpu), prop_name, "bool",
2995 x86_cpu_get_bit_prop,
2996 x86_cpu_set_bit_prop,
2997 x86_cpu_release_bit_prop, fp, &error_abort);
2998 }
2999 }
3000
3001 static void x86_cpu_register_feature_bit_props(X86CPU *cpu,
3002 FeatureWord w,
3003 int bitnr)
3004 {
3005 Object *obj = OBJECT(cpu);
3006 int i;
3007 char **names;
3008 FeatureWordInfo *fi = &feature_word_info[w];
3009
3010 if (!fi->feat_names) {
3011 return;
3012 }
3013 if (!fi->feat_names[bitnr]) {
3014 return;
3015 }
3016
3017 names = g_strsplit(fi->feat_names[bitnr], "|", 0);
3018
3019 feat2prop(names[0]);
3020 x86_cpu_register_bit_prop(cpu, names[0], &cpu->env.features[w], bitnr);
3021
3022 for (i = 1; names[i]; i++) {
3023 feat2prop(names[i]);
3024 object_property_add_alias(obj, names[i], obj, names[0],
3025 &error_abort);
3026 }
3027
3028 g_strfreev(names);
3029 }
3030
3031 static void x86_cpu_initfn(Object *obj)
3032 {
3033 CPUState *cs = CPU(obj);
3034 X86CPU *cpu = X86_CPU(obj);
3035 X86CPUClass *xcc = X86_CPU_GET_CLASS(obj);
3036 CPUX86State *env = &cpu->env;
3037 FeatureWord w;
3038 static int inited;
3039
3040 cs->env_ptr = env;
3041 cpu_exec_init(cs, &error_abort);
3042
3043 object_property_add(obj, "family", "int",
3044 x86_cpuid_version_get_family,
3045 x86_cpuid_version_set_family, NULL, NULL, NULL);
3046 object_property_add(obj, "model", "int",
3047 x86_cpuid_version_get_model,
3048 x86_cpuid_version_set_model, NULL, NULL, NULL);
3049 object_property_add(obj, "stepping", "int",
3050 x86_cpuid_version_get_stepping,
3051 x86_cpuid_version_set_stepping, NULL, NULL, NULL);
3052 object_property_add_str(obj, "vendor",
3053 x86_cpuid_get_vendor,
3054 x86_cpuid_set_vendor, NULL);
3055 object_property_add_str(obj, "model-id",
3056 x86_cpuid_get_model_id,
3057 x86_cpuid_set_model_id, NULL);
3058 object_property_add(obj, "tsc-frequency", "int",
3059 x86_cpuid_get_tsc_freq,
3060 x86_cpuid_set_tsc_freq, NULL, NULL, NULL);
3061 object_property_add(obj, "apic-id", "int",
3062 x86_cpuid_get_apic_id,
3063 x86_cpuid_set_apic_id, NULL, NULL, NULL);
3064 object_property_add(obj, "feature-words", "X86CPUFeatureWordInfo",
3065 x86_cpu_get_feature_words,
3066 NULL, NULL, (void *)env->features, NULL);
3067 object_property_add(obj, "filtered-features", "X86CPUFeatureWordInfo",
3068 x86_cpu_get_feature_words,
3069 NULL, NULL, (void *)cpu->filtered_features, NULL);
3070
3071 cpu->hyperv_spinlock_attempts = HYPERV_SPINLOCK_NEVER_RETRY;
3072
3073 #ifndef CONFIG_USER_ONLY
3074 /* Any code creating new X86CPU objects have to set apic-id explicitly */
3075 cpu->apic_id = -1;
3076 #endif
3077
3078 for (w = 0; w < FEATURE_WORDS; w++) {
3079 int bitnr;
3080
3081 for (bitnr = 0; bitnr < 32; bitnr++) {
3082 x86_cpu_register_feature_bit_props(cpu, w, bitnr);
3083 }
3084 }
3085
3086 x86_cpu_load_def(cpu, xcc->cpu_def, &error_abort);
3087
3088 /* init various static tables used in TCG mode */
3089 if (tcg_enabled() && !inited) {
3090 inited = 1;
3091 optimize_flags_init();
3092 }
3093 }
3094
3095 static int64_t x86_cpu_get_arch_id(CPUState *cs)
3096 {
3097 X86CPU *cpu = X86_CPU(cs);
3098
3099 return cpu->apic_id;
3100 }
3101
3102 static bool x86_cpu_get_paging_enabled(const CPUState *cs)
3103 {
3104 X86CPU *cpu = X86_CPU(cs);
3105
3106 return cpu->env.cr[0] & CR0_PG_MASK;
3107 }
3108
3109 static void x86_cpu_set_pc(CPUState *cs, vaddr value)
3110 {
3111 X86CPU *cpu = X86_CPU(cs);
3112
3113 cpu->env.eip = value;
3114 }
3115
3116 static void x86_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
3117 {
3118 X86CPU *cpu = X86_CPU(cs);
3119
3120 cpu->env.eip = tb->pc - tb->cs_base;
3121 }
3122
3123 static bool x86_cpu_has_work(CPUState *cs)
3124 {
3125 X86CPU *cpu = X86_CPU(cs);
3126 CPUX86State *env = &cpu->env;
3127
3128 return ((cs->interrupt_request & (CPU_INTERRUPT_HARD |
3129 CPU_INTERRUPT_POLL)) &&
3130 (env->eflags & IF_MASK)) ||
3131 (cs->interrupt_request & (CPU_INTERRUPT_NMI |
3132 CPU_INTERRUPT_INIT |
3133 CPU_INTERRUPT_SIPI |
3134 CPU_INTERRUPT_MCE)) ||
3135 ((cs->interrupt_request & CPU_INTERRUPT_SMI) &&
3136 !(env->hflags & HF_SMM_MASK));
3137 }
3138
3139 static Property x86_cpu_properties[] = {
3140 DEFINE_PROP_BOOL("pmu", X86CPU, enable_pmu, false),
3141 { .name = "hv-spinlocks", .info = &qdev_prop_spinlocks },
3142 DEFINE_PROP_BOOL("hv-relaxed", X86CPU, hyperv_relaxed_timing, false),
3143 DEFINE_PROP_BOOL("hv-vapic", X86CPU, hyperv_vapic, false),
3144 DEFINE_PROP_BOOL("hv-time", X86CPU, hyperv_time, false),
3145 DEFINE_PROP_BOOL("hv-crash", X86CPU, hyperv_crash, false),
3146 DEFINE_PROP_BOOL("hv-reset", X86CPU, hyperv_reset, false),
3147 DEFINE_PROP_BOOL("hv-vpindex", X86CPU, hyperv_vpindex, false),
3148 DEFINE_PROP_BOOL("hv-runtime", X86CPU, hyperv_runtime, false),
3149 DEFINE_PROP_BOOL("hv-synic", X86CPU, hyperv_synic, false),
3150 DEFINE_PROP_BOOL("hv-stimer", X86CPU, hyperv_stimer, false),
3151 DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, true),
3152 DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false),
3153 DEFINE_PROP_BOOL("kvm", X86CPU, expose_kvm, true),
3154 DEFINE_PROP_UINT32("level", X86CPU, env.cpuid_level, 0),
3155 DEFINE_PROP_UINT32("xlevel", X86CPU, env.cpuid_xlevel, 0),
3156 DEFINE_PROP_UINT32("xlevel2", X86CPU, env.cpuid_xlevel2, 0),
3157 DEFINE_PROP_STRING("hv-vendor-id", X86CPU, hyperv_vendor_id),
3158 DEFINE_PROP_END_OF_LIST()
3159 };
3160
3161 static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
3162 {
3163 X86CPUClass *xcc = X86_CPU_CLASS(oc);
3164 CPUClass *cc = CPU_CLASS(oc);
3165 DeviceClass *dc = DEVICE_CLASS(oc);
3166
3167 xcc->parent_realize = dc->realize;
3168 dc->realize = x86_cpu_realizefn;
3169 dc->props = x86_cpu_properties;
3170
3171 xcc->parent_reset = cc->reset;
3172 cc->reset = x86_cpu_reset;
3173 cc->reset_dump_flags = CPU_DUMP_FPU | CPU_DUMP_CCOP;
3174
3175 cc->class_by_name = x86_cpu_class_by_name;
3176 cc->parse_features = x86_cpu_parse_featurestr;
3177 cc->has_work = x86_cpu_has_work;
3178 cc->do_interrupt = x86_cpu_do_interrupt;
3179 cc->cpu_exec_interrupt = x86_cpu_exec_interrupt;
3180 cc->dump_state = x86_cpu_dump_state;
3181 cc->set_pc = x86_cpu_set_pc;
3182 cc->synchronize_from_tb = x86_cpu_synchronize_from_tb;
3183 cc->gdb_read_register = x86_cpu_gdb_read_register;
3184 cc->gdb_write_register = x86_cpu_gdb_write_register;
3185 cc->get_arch_id = x86_cpu_get_arch_id;
3186 cc->get_paging_enabled = x86_cpu_get_paging_enabled;
3187 #ifdef CONFIG_USER_ONLY
3188 cc->handle_mmu_fault = x86_cpu_handle_mmu_fault;
3189 #else
3190 cc->get_memory_mapping = x86_cpu_get_memory_mapping;
3191 cc->get_phys_page_debug = x86_cpu_get_phys_page_debug;
3192 cc->write_elf64_note = x86_cpu_write_elf64_note;
3193 cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote;
3194 cc->write_elf32_note = x86_cpu_write_elf32_note;
3195 cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote;
3196 cc->vmsd = &vmstate_x86_cpu;
3197 #endif
3198 cc->gdb_num_core_regs = CPU_NB_REGS * 2 + 25;
3199 #ifndef CONFIG_USER_ONLY
3200 cc->debug_excp_handler = breakpoint_handler;
3201 #endif
3202 cc->cpu_exec_enter = x86_cpu_exec_enter;
3203 cc->cpu_exec_exit = x86_cpu_exec_exit;
3204
3205 /*
3206 * Reason: x86_cpu_initfn() calls cpu_exec_init(), which saves the
3207 * object in cpus -> dangling pointer after final object_unref().
3208 */
3209 dc->cannot_destroy_with_object_finalize_yet = true;
3210 }
3211
3212 static const TypeInfo x86_cpu_type_info = {
3213 .name = TYPE_X86_CPU,
3214 .parent = TYPE_CPU,
3215 .instance_size = sizeof(X86CPU),
3216 .instance_init = x86_cpu_initfn,
3217 .abstract = true,
3218 .class_size = sizeof(X86CPUClass),
3219 .class_init = x86_cpu_common_class_init,
3220 };
3221
3222 static void x86_cpu_register_types(void)
3223 {
3224 int i;
3225
3226 type_register_static(&x86_cpu_type_info);
3227 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
3228 x86_register_cpudef_type(&builtin_x86_defs[i]);
3229 }
3230 #ifdef CONFIG_KVM
3231 type_register_static(&host_x86_cpu_type_info);
3232 #endif
3233 }
3234
3235 type_init(x86_cpu_register_types)
QEmu