2 * i386 CPUID helper functions
4 * Copyright (c) 2003 Fabrice Bellard
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.
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.
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/>.
25 #include "sysemu/kvm.h"
26 #include "sysemu/cpus.h"
29 #include "qemu/error-report.h"
30 #include "qemu/option.h"
31 #include "qemu/config-file.h"
32 #include "qapi/qmp/qerror.h"
34 #include "qapi-types.h"
35 #include "qapi-visit.h"
36 #include "qapi/visitor.h"
37 #include "sysemu/arch_init.h"
40 #if defined(CONFIG_KVM)
41 #include <linux/kvm_para.h>
44 #include "sysemu/sysemu.h"
45 #include "hw/qdev-properties.h"
46 #include "hw/cpu/icc_bus.h"
47 #ifndef CONFIG_USER_ONLY
48 #include "exec/address-spaces.h"
49 #include "hw/xen/xen.h"
50 #include "hw/i386/apic_internal.h"
54 /* Cache topology CPUID constants: */
56 /* CPUID Leaf 2 Descriptors */
58 #define CPUID_2_L1D_32KB_8WAY_64B 0x2c
59 #define CPUID_2_L1I_32KB_8WAY_64B 0x30
60 #define CPUID_2_L2_2MB_8WAY_64B 0x7d
63 /* CPUID Leaf 4 constants: */
66 #define CPUID_4_TYPE_DCACHE 1
67 #define CPUID_4_TYPE_ICACHE 2
68 #define CPUID_4_TYPE_UNIFIED 3
70 #define CPUID_4_LEVEL(l) ((l) << 5)
72 #define CPUID_4_SELF_INIT_LEVEL (1 << 8)
73 #define CPUID_4_FULLY_ASSOC (1 << 9)
76 #define CPUID_4_NO_INVD_SHARING (1 << 0)
77 #define CPUID_4_INCLUSIVE (1 << 1)
78 #define CPUID_4_COMPLEX_IDX (1 << 2)
80 #define ASSOC_FULL 0xFF
82 /* AMD associativity encoding used on CPUID Leaf 0x80000006: */
83 #define AMD_ENC_ASSOC(a) (a <= 1 ? a : \
93 a == ASSOC_FULL ? 0xF : \
94 0 /* invalid value */)
97 /* Definitions of the hardcoded cache entries we expose: */
100 #define L1D_LINE_SIZE 64
101 #define L1D_ASSOCIATIVITY 8
103 #define L1D_PARTITIONS 1
104 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */
105 #define L1D_DESCRIPTOR CPUID_2_L1D_32KB_8WAY_64B
106 /*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
107 #define L1D_LINES_PER_TAG 1
108 #define L1D_SIZE_KB_AMD 64
109 #define L1D_ASSOCIATIVITY_AMD 2
111 /* L1 instruction cache: */
112 #define L1I_LINE_SIZE 64
113 #define L1I_ASSOCIATIVITY 8
115 #define L1I_PARTITIONS 1
116 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */
117 #define L1I_DESCRIPTOR CPUID_2_L1I_32KB_8WAY_64B
118 /*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
119 #define L1I_LINES_PER_TAG 1
120 #define L1I_SIZE_KB_AMD 64
121 #define L1I_ASSOCIATIVITY_AMD 2
123 /* Level 2 unified cache: */
124 #define L2_LINE_SIZE 64
125 #define L2_ASSOCIATIVITY 16
127 #define L2_PARTITIONS 1
128 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 4MiB */
129 /*FIXME: CPUID leaf 2 descriptor is inconsistent with CPUID leaf 4 */
130 #define L2_DESCRIPTOR CPUID_2_L2_2MB_8WAY_64B
131 /*FIXME: CPUID leaf 0x80000006 is inconsistent with leaves 2 & 4 */
132 #define L2_LINES_PER_TAG 1
133 #define L2_SIZE_KB_AMD 512
136 #define L3_SIZE_KB 0 /* disabled */
137 #define L3_ASSOCIATIVITY 0 /* disabled */
138 #define L3_LINES_PER_TAG 0 /* disabled */
139 #define L3_LINE_SIZE 0 /* disabled */
141 /* TLB definitions: */
143 #define L1_DTLB_2M_ASSOC 1
144 #define L1_DTLB_2M_ENTRIES 255
145 #define L1_DTLB_4K_ASSOC 1
146 #define L1_DTLB_4K_ENTRIES 255
148 #define L1_ITLB_2M_ASSOC 1
149 #define L1_ITLB_2M_ENTRIES 255
150 #define L1_ITLB_4K_ASSOC 1
151 #define L1_ITLB_4K_ENTRIES 255
153 #define L2_DTLB_2M_ASSOC 0 /* disabled */
154 #define L2_DTLB_2M_ENTRIES 0 /* disabled */
155 #define L2_DTLB_4K_ASSOC 4
156 #define L2_DTLB_4K_ENTRIES 512
158 #define L2_ITLB_2M_ASSOC 0 /* disabled */
159 #define L2_ITLB_2M_ENTRIES 0 /* disabled */
160 #define L2_ITLB_4K_ASSOC 4
161 #define L2_ITLB_4K_ENTRIES 512
165 static void x86_cpu_vendor_words2str(char *dst
, uint32_t vendor1
,
166 uint32_t vendor2
, uint32_t vendor3
)
169 for (i
= 0; i
< 4; i
++) {
170 dst
[i
] = vendor1
>> (8 * i
);
171 dst
[i
+ 4] = vendor2
>> (8 * i
);
172 dst
[i
+ 8] = vendor3
>> (8 * i
);
174 dst
[CPUID_VENDOR_SZ
] = '\0';
177 /* feature flags taken from "Intel Processor Identification and the CPUID
178 * Instruction" and AMD's "CPUID Specification". In cases of disagreement
179 * between feature naming conventions, aliases may be added.
181 static const char *feature_name
[] = {
182 "fpu", "vme", "de", "pse",
183 "tsc", "msr", "pae", "mce",
184 "cx8", "apic", NULL
, "sep",
185 "mtrr", "pge", "mca", "cmov",
186 "pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */,
187 NULL
, "ds" /* Intel dts */, "acpi", "mmx",
188 "fxsr", "sse", "sse2", "ss",
189 "ht" /* Intel htt */, "tm", "ia64", "pbe",
191 static const char *ext_feature_name
[] = {
192 "pni|sse3" /* Intel,AMD sse3 */, "pclmulqdq|pclmuldq", "dtes64", "monitor",
193 "ds_cpl", "vmx", "smx", "est",
194 "tm2", "ssse3", "cid", NULL
,
195 "fma", "cx16", "xtpr", "pdcm",
196 NULL
, "pcid", "dca", "sse4.1|sse4_1",
197 "sse4.2|sse4_2", "x2apic", "movbe", "popcnt",
198 "tsc-deadline", "aes", "xsave", "osxsave",
199 "avx", "f16c", "rdrand", "hypervisor",
201 /* Feature names that are already defined on feature_name[] but are set on
202 * CPUID[8000_0001].EDX on AMD CPUs don't have their names on
203 * ext2_feature_name[]. They are copied automatically to cpuid_ext2_features
204 * if and only if CPU vendor is AMD.
206 static const char *ext2_feature_name
[] = {
207 NULL
/* fpu */, NULL
/* vme */, NULL
/* de */, NULL
/* pse */,
208 NULL
/* tsc */, NULL
/* msr */, NULL
/* pae */, NULL
/* mce */,
209 NULL
/* cx8 */ /* AMD CMPXCHG8B */, NULL
/* apic */, NULL
, "syscall",
210 NULL
/* mtrr */, NULL
/* pge */, NULL
/* mca */, NULL
/* cmov */,
211 NULL
/* pat */, NULL
/* pse36 */, NULL
, NULL
/* Linux mp */,
212 "nx|xd", NULL
, "mmxext", NULL
/* mmx */,
213 NULL
/* fxsr */, "fxsr_opt|ffxsr", "pdpe1gb" /* AMD Page1GB */, "rdtscp",
214 NULL
, "lm|i64", "3dnowext", "3dnow",
216 static const char *ext3_feature_name
[] = {
217 "lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */,
218 "cr8legacy" /* AMD AltMovCr8 */, "abm", "sse4a", "misalignsse",
219 "3dnowprefetch", "osvw", "ibs", "xop",
220 "skinit", "wdt", NULL
, "lwp",
221 "fma4", "tce", NULL
, "nodeid_msr",
222 NULL
, "tbm", "topoext", "perfctr_core",
223 "perfctr_nb", NULL
, NULL
, NULL
,
224 NULL
, NULL
, NULL
, NULL
,
227 static const char *ext4_feature_name
[] = {
228 NULL
, NULL
, "xstore", "xstore-en",
229 NULL
, NULL
, "xcrypt", "xcrypt-en",
230 "ace2", "ace2-en", "phe", "phe-en",
231 "pmm", "pmm-en", NULL
, NULL
,
232 NULL
, NULL
, NULL
, NULL
,
233 NULL
, NULL
, NULL
, NULL
,
234 NULL
, NULL
, NULL
, NULL
,
235 NULL
, NULL
, NULL
, NULL
,
238 static const char *kvm_feature_name
[] = {
239 "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock",
240 "kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", "kvm_pv_unhalt",
241 NULL
, NULL
, NULL
, NULL
,
242 NULL
, NULL
, NULL
, NULL
,
243 NULL
, NULL
, NULL
, NULL
,
244 NULL
, NULL
, NULL
, NULL
,
245 "kvmclock-stable-bit", NULL
, NULL
, NULL
,
246 NULL
, NULL
, NULL
, NULL
,
249 static const char *svm_feature_name
[] = {
250 "npt", "lbrv", "svm_lock", "nrip_save",
251 "tsc_scale", "vmcb_clean", "flushbyasid", "decodeassists",
252 NULL
, NULL
, "pause_filter", NULL
,
253 "pfthreshold", NULL
, NULL
, NULL
,
254 NULL
, NULL
, NULL
, NULL
,
255 NULL
, NULL
, NULL
, NULL
,
256 NULL
, NULL
, NULL
, NULL
,
257 NULL
, NULL
, NULL
, NULL
,
260 static const char *cpuid_7_0_ebx_feature_name
[] = {
261 "fsgsbase", "tsc_adjust", NULL
, "bmi1", "hle", "avx2", NULL
, "smep",
262 "bmi2", "erms", "invpcid", "rtm", NULL
, NULL
, "mpx", NULL
,
263 "avx512f", NULL
, "rdseed", "adx", "smap", NULL
, NULL
, NULL
,
264 NULL
, NULL
, "avx512pf", "avx512er", "avx512cd", NULL
, NULL
, NULL
,
267 static const char *cpuid_apm_edx_feature_name
[] = {
268 NULL
, NULL
, NULL
, NULL
,
269 NULL
, NULL
, NULL
, NULL
,
270 "invtsc", NULL
, NULL
, NULL
,
271 NULL
, NULL
, NULL
, NULL
,
272 NULL
, NULL
, NULL
, NULL
,
273 NULL
, NULL
, NULL
, NULL
,
274 NULL
, NULL
, NULL
, NULL
,
275 NULL
, NULL
, NULL
, NULL
,
278 static const char *cpuid_xsave_feature_name
[] = {
279 "xsaveopt", "xsavec", "xgetbv1", "xsaves",
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 NULL
, NULL
, NULL
, NULL
,
289 static const char *cpuid_6_feature_name
[] = {
290 NULL
, NULL
, "arat", 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 NULL
, NULL
, NULL
, NULL
,
300 #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
301 #define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
302 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
303 #define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
304 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
305 CPUID_PSE36 | CPUID_FXSR)
306 #define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
307 #define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
308 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
309 CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
310 CPUID_PAE | CPUID_SEP | CPUID_APIC)
312 #define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
313 CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
314 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
315 CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
316 CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS)
317 /* partly implemented:
318 CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64) */
320 CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
321 #define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \
322 CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \
323 CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \
324 CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR)
326 CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_SMX,
327 CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_CID, CPUID_EXT_FMA,
328 CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_PCID, CPUID_EXT_DCA,
329 CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER, CPUID_EXT_XSAVE,
330 CPUID_EXT_OSXSAVE, CPUID_EXT_AVX, CPUID_EXT_F16C,
334 #define TCG_EXT2_X86_64_FEATURES (CPUID_EXT2_SYSCALL | CPUID_EXT2_LM)
336 #define TCG_EXT2_X86_64_FEATURES 0
339 #define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
340 CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
341 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB | \
342 TCG_EXT2_X86_64_FEATURES)
343 #define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
344 CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
345 #define TCG_EXT4_FEATURES 0
346 #define TCG_SVM_FEATURES 0
347 #define TCG_KVM_FEATURES 0
348 #define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP | \
349 CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX)
351 CPUID_7_0_EBX_FSGSBASE, CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,
352 CPUID_7_0_EBX_ERMS, CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
353 CPUID_7_0_EBX_RDSEED */
354 #define TCG_APM_FEATURES 0
355 #define TCG_6_EAX_FEATURES CPUID_6_EAX_ARAT
358 typedef struct FeatureWordInfo
{
359 const char **feat_names
;
360 uint32_t cpuid_eax
; /* Input EAX for CPUID */
361 bool cpuid_needs_ecx
; /* CPUID instruction uses ECX as input */
362 uint32_t cpuid_ecx
; /* Input ECX value for CPUID */
363 int cpuid_reg
; /* output register (R_* constant) */
364 uint32_t tcg_features
; /* Feature flags supported by TCG */
365 uint32_t unmigratable_flags
; /* Feature flags known to be unmigratable */
368 static FeatureWordInfo feature_word_info
[FEATURE_WORDS
] = {
370 .feat_names
= feature_name
,
371 .cpuid_eax
= 1, .cpuid_reg
= R_EDX
,
372 .tcg_features
= TCG_FEATURES
,
375 .feat_names
= ext_feature_name
,
376 .cpuid_eax
= 1, .cpuid_reg
= R_ECX
,
377 .tcg_features
= TCG_EXT_FEATURES
,
379 [FEAT_8000_0001_EDX
] = {
380 .feat_names
= ext2_feature_name
,
381 .cpuid_eax
= 0x80000001, .cpuid_reg
= R_EDX
,
382 .tcg_features
= TCG_EXT2_FEATURES
,
384 [FEAT_8000_0001_ECX
] = {
385 .feat_names
= ext3_feature_name
,
386 .cpuid_eax
= 0x80000001, .cpuid_reg
= R_ECX
,
387 .tcg_features
= TCG_EXT3_FEATURES
,
389 [FEAT_C000_0001_EDX
] = {
390 .feat_names
= ext4_feature_name
,
391 .cpuid_eax
= 0xC0000001, .cpuid_reg
= R_EDX
,
392 .tcg_features
= TCG_EXT4_FEATURES
,
395 .feat_names
= kvm_feature_name
,
396 .cpuid_eax
= KVM_CPUID_FEATURES
, .cpuid_reg
= R_EAX
,
397 .tcg_features
= TCG_KVM_FEATURES
,
400 .feat_names
= svm_feature_name
,
401 .cpuid_eax
= 0x8000000A, .cpuid_reg
= R_EDX
,
402 .tcg_features
= TCG_SVM_FEATURES
,
405 .feat_names
= cpuid_7_0_ebx_feature_name
,
407 .cpuid_needs_ecx
= true, .cpuid_ecx
= 0,
409 .tcg_features
= TCG_7_0_EBX_FEATURES
,
411 [FEAT_8000_0007_EDX
] = {
412 .feat_names
= cpuid_apm_edx_feature_name
,
413 .cpuid_eax
= 0x80000007,
415 .tcg_features
= TCG_APM_FEATURES
,
416 .unmigratable_flags
= CPUID_APM_INVTSC
,
419 .feat_names
= cpuid_xsave_feature_name
,
421 .cpuid_needs_ecx
= true, .cpuid_ecx
= 1,
426 .feat_names
= cpuid_6_feature_name
,
427 .cpuid_eax
= 6, .cpuid_reg
= R_EAX
,
428 .tcg_features
= TCG_6_EAX_FEATURES
,
432 typedef struct X86RegisterInfo32
{
433 /* Name of register */
435 /* QAPI enum value register */
436 X86CPURegister32 qapi_enum
;
439 #define REGISTER(reg) \
440 [R_##reg] = { .name = #reg, .qapi_enum = X86_CPU_REGISTER32_##reg }
441 static const X86RegisterInfo32 x86_reg_info_32
[CPU_NB_REGS32
] = {
453 typedef struct ExtSaveArea
{
454 uint32_t feature
, bits
;
455 uint32_t offset
, size
;
458 static const ExtSaveArea ext_save_areas
[] = {
459 [2] = { .feature
= FEAT_1_ECX
, .bits
= CPUID_EXT_AVX
,
460 .offset
= 0x240, .size
= 0x100 },
461 [3] = { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_MPX
,
462 .offset
= 0x3c0, .size
= 0x40 },
463 [4] = { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_MPX
,
464 .offset
= 0x400, .size
= 0x40 },
465 [5] = { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_AVX512F
,
466 .offset
= 0x440, .size
= 0x40 },
467 [6] = { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_AVX512F
,
468 .offset
= 0x480, .size
= 0x200 },
469 [7] = { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_AVX512F
,
470 .offset
= 0x680, .size
= 0x400 },
473 const char *get_register_name_32(unsigned int reg
)
475 if (reg
>= CPU_NB_REGS32
) {
478 return x86_reg_info_32
[reg
].name
;
481 /* KVM-specific features that are automatically added to all CPU models
482 * when KVM is enabled.
484 static uint32_t kvm_default_features
[FEATURE_WORDS
] = {
485 [FEAT_KVM
] = (1 << KVM_FEATURE_CLOCKSOURCE
) |
486 (1 << KVM_FEATURE_NOP_IO_DELAY
) |
487 (1 << KVM_FEATURE_CLOCKSOURCE2
) |
488 (1 << KVM_FEATURE_ASYNC_PF
) |
489 (1 << KVM_FEATURE_STEAL_TIME
) |
490 (1 << KVM_FEATURE_PV_EOI
) |
491 (1 << KVM_FEATURE_CLOCKSOURCE_STABLE_BIT
),
492 [FEAT_1_ECX
] = CPUID_EXT_X2APIC
,
495 /* Features that are not added by default to any CPU model when KVM is enabled.
497 static uint32_t kvm_default_unset_features
[FEATURE_WORDS
] = {
498 [FEAT_1_EDX
] = CPUID_ACPI
,
499 [FEAT_1_ECX
] = CPUID_EXT_MONITOR
,
500 [FEAT_8000_0001_ECX
] = CPUID_EXT3_SVM
,
503 void x86_cpu_compat_kvm_no_autoenable(FeatureWord w
, uint32_t features
)
505 kvm_default_features
[w
] &= ~features
;
508 void x86_cpu_compat_kvm_no_autodisable(FeatureWord w
, uint32_t features
)
510 kvm_default_unset_features
[w
] &= ~features
;
514 * Returns the set of feature flags that are supported and migratable by
515 * QEMU, for a given FeatureWord.
517 static uint32_t x86_cpu_get_migratable_flags(FeatureWord w
)
519 FeatureWordInfo
*wi
= &feature_word_info
[w
];
523 for (i
= 0; i
< 32; i
++) {
524 uint32_t f
= 1U << i
;
525 /* If the feature name is unknown, it is not supported by QEMU yet */
526 if (!wi
->feat_names
[i
]) {
529 /* Skip features known to QEMU, but explicitly marked as unmigratable */
530 if (wi
->unmigratable_flags
& f
) {
538 void host_cpuid(uint32_t function
, uint32_t count
,
539 uint32_t *eax
, uint32_t *ebx
, uint32_t *ecx
, uint32_t *edx
)
545 : "=a"(vec
[0]), "=b"(vec
[1]),
546 "=c"(vec
[2]), "=d"(vec
[3])
547 : "0"(function
), "c"(count
) : "cc");
548 #elif defined(__i386__)
549 asm volatile("pusha \n\t"
551 "mov %%eax, 0(%2) \n\t"
552 "mov %%ebx, 4(%2) \n\t"
553 "mov %%ecx, 8(%2) \n\t"
554 "mov %%edx, 12(%2) \n\t"
556 : : "a"(function
), "c"(count
), "S"(vec
)
572 #define iswhite(c) ((c) && ((c) <= ' ' || '~' < (c)))
574 /* general substring compare of *[s1..e1) and *[s2..e2). sx is start of
575 * a substring. ex if !NULL points to the first char after a substring,
576 * otherwise the string is assumed to sized by a terminating nul.
577 * Return lexical ordering of *s1:*s2.
579 static int sstrcmp(const char *s1
, const char *e1
,
580 const char *s2
, const char *e2
)
583 if (!*s1
|| !*s2
|| *s1
!= *s2
)
586 if (s1
== e1
&& s2
== e2
)
595 /* compare *[s..e) to *altstr. *altstr may be a simple string or multiple
596 * '|' delimited (possibly empty) strings in which case search for a match
597 * within the alternatives proceeds left to right. Return 0 for success,
598 * non-zero otherwise.
600 static int altcmp(const char *s
, const char *e
, const char *altstr
)
604 for (q
= p
= altstr
; ; ) {
605 while (*p
&& *p
!= '|')
607 if ((q
== p
&& !*s
) || (q
!= p
&& !sstrcmp(s
, e
, q
, p
)))
616 /* search featureset for flag *[s..e), if found set corresponding bit in
617 * *pval and return true, otherwise return false
619 static bool lookup_feature(uint32_t *pval
, const char *s
, const char *e
,
620 const char **featureset
)
626 for (mask
= 1, ppc
= featureset
; mask
; mask
<<= 1, ++ppc
) {
627 if (*ppc
&& !altcmp(s
, e
, *ppc
)) {
635 static void add_flagname_to_bitmaps(const char *flagname
,
636 FeatureWordArray words
,
640 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
641 FeatureWordInfo
*wi
= &feature_word_info
[w
];
642 if (wi
->feat_names
&&
643 lookup_feature(&words
[w
], flagname
, NULL
, wi
->feat_names
)) {
647 if (w
== FEATURE_WORDS
) {
648 error_setg(errp
, "CPU feature %s not found", flagname
);
652 /* CPU class name definitions: */
654 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
655 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
657 /* Return type name for a given CPU model name
658 * Caller is responsible for freeing the returned string.
660 static char *x86_cpu_type_name(const char *model_name
)
662 return g_strdup_printf(X86_CPU_TYPE_NAME("%s"), model_name
);
665 static ObjectClass
*x86_cpu_class_by_name(const char *cpu_model
)
670 if (cpu_model
== NULL
) {
674 typename
= x86_cpu_type_name(cpu_model
);
675 oc
= object_class_by_name(typename
);
680 struct X86CPUDefinition
{
685 /* vendor is zero-terminated, 12 character ASCII string */
686 char vendor
[CPUID_VENDOR_SZ
+ 1];
690 FeatureWordArray features
;
692 bool cache_info_passthrough
;
695 static X86CPUDefinition builtin_x86_defs
[] = {
699 .vendor
= CPUID_VENDOR_AMD
,
703 .features
[FEAT_1_EDX
] =
705 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
|
707 .features
[FEAT_1_ECX
] =
708 CPUID_EXT_SSE3
| CPUID_EXT_CX16
| CPUID_EXT_POPCNT
,
709 .features
[FEAT_8000_0001_EDX
] =
710 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
711 .features
[FEAT_8000_0001_ECX
] =
712 CPUID_EXT3_LAHF_LM
| CPUID_EXT3_SVM
|
713 CPUID_EXT3_ABM
| CPUID_EXT3_SSE4A
,
714 .xlevel
= 0x8000000A,
719 .vendor
= CPUID_VENDOR_AMD
,
723 /* Missing: CPUID_HT */
724 .features
[FEAT_1_EDX
] =
726 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
|
727 CPUID_PSE36
| CPUID_VME
,
728 .features
[FEAT_1_ECX
] =
729 CPUID_EXT_SSE3
| CPUID_EXT_MONITOR
| CPUID_EXT_CX16
|
731 .features
[FEAT_8000_0001_EDX
] =
732 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
|
733 CPUID_EXT2_3DNOW
| CPUID_EXT2_3DNOWEXT
| CPUID_EXT2_MMXEXT
|
734 CPUID_EXT2_FFXSR
| CPUID_EXT2_PDPE1GB
| CPUID_EXT2_RDTSCP
,
735 /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
737 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
738 CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
739 .features
[FEAT_8000_0001_ECX
] =
740 CPUID_EXT3_LAHF_LM
| CPUID_EXT3_SVM
|
741 CPUID_EXT3_ABM
| CPUID_EXT3_SSE4A
,
742 /* Missing: CPUID_SVM_LBRV */
743 .features
[FEAT_SVM
] =
745 .xlevel
= 0x8000001A,
746 .model_id
= "AMD Phenom(tm) 9550 Quad-Core Processor"
751 .vendor
= CPUID_VENDOR_INTEL
,
755 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
756 .features
[FEAT_1_EDX
] =
758 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
|
759 CPUID_PSE36
| CPUID_VME
| CPUID_ACPI
| CPUID_SS
,
760 /* Missing: CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_EST,
761 * CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_VMX */
762 .features
[FEAT_1_ECX
] =
763 CPUID_EXT_SSE3
| CPUID_EXT_MONITOR
| CPUID_EXT_SSSE3
|
765 .features
[FEAT_8000_0001_EDX
] =
766 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
767 .features
[FEAT_8000_0001_ECX
] =
769 .xlevel
= 0x80000008,
770 .model_id
= "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz",
775 .vendor
= CPUID_VENDOR_INTEL
,
779 /* Missing: CPUID_HT */
780 .features
[FEAT_1_EDX
] =
781 PPRO_FEATURES
| CPUID_VME
|
782 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
|
784 /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
785 .features
[FEAT_1_ECX
] =
786 CPUID_EXT_SSE3
| CPUID_EXT_CX16
,
787 /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
788 .features
[FEAT_8000_0001_EDX
] =
789 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
790 /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
791 CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
792 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
793 CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
794 .features
[FEAT_8000_0001_ECX
] =
796 .xlevel
= 0x80000008,
797 .model_id
= "Common KVM processor"
802 .vendor
= CPUID_VENDOR_INTEL
,
806 .features
[FEAT_1_EDX
] =
808 .features
[FEAT_1_ECX
] =
809 CPUID_EXT_SSE3
| CPUID_EXT_POPCNT
,
810 .xlevel
= 0x80000004,
815 .vendor
= CPUID_VENDOR_INTEL
,
819 .features
[FEAT_1_EDX
] =
820 PPRO_FEATURES
| CPUID_VME
|
821 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
| CPUID_PSE36
,
822 .features
[FEAT_1_ECX
] =
824 .features
[FEAT_8000_0001_ECX
] =
826 .xlevel
= 0x80000008,
827 .model_id
= "Common 32-bit KVM processor"
832 .vendor
= CPUID_VENDOR_INTEL
,
836 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
837 .features
[FEAT_1_EDX
] =
838 PPRO_FEATURES
| CPUID_VME
|
839 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
| CPUID_ACPI
|
841 /* Missing: CPUID_EXT_EST, CPUID_EXT_TM2 , CPUID_EXT_XTPR,
842 * CPUID_EXT_PDCM, CPUID_EXT_VMX */
843 .features
[FEAT_1_ECX
] =
844 CPUID_EXT_SSE3
| CPUID_EXT_MONITOR
,
845 .features
[FEAT_8000_0001_EDX
] =
847 .xlevel
= 0x80000008,
848 .model_id
= "Genuine Intel(R) CPU T2600 @ 2.16GHz",
853 .vendor
= CPUID_VENDOR_INTEL
,
857 .features
[FEAT_1_EDX
] =
864 .vendor
= CPUID_VENDOR_INTEL
,
868 .features
[FEAT_1_EDX
] =
875 .vendor
= CPUID_VENDOR_INTEL
,
879 .features
[FEAT_1_EDX
] =
886 .vendor
= CPUID_VENDOR_INTEL
,
890 .features
[FEAT_1_EDX
] =
897 .vendor
= CPUID_VENDOR_AMD
,
901 .features
[FEAT_1_EDX
] =
902 PPRO_FEATURES
| CPUID_PSE36
| CPUID_VME
| CPUID_MTRR
|
904 .features
[FEAT_8000_0001_EDX
] =
905 CPUID_EXT2_MMXEXT
| CPUID_EXT2_3DNOW
| CPUID_EXT2_3DNOWEXT
,
906 .xlevel
= 0x80000008,
911 .vendor
= CPUID_VENDOR_INTEL
,
915 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
916 .features
[FEAT_1_EDX
] =
918 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
| CPUID_VME
|
919 CPUID_ACPI
| CPUID_SS
,
920 /* Some CPUs got no CPUID_SEP */
921 /* Missing: CPUID_EXT_DSCPL, CPUID_EXT_EST, CPUID_EXT_TM2,
923 .features
[FEAT_1_ECX
] =
924 CPUID_EXT_SSE3
| CPUID_EXT_MONITOR
| CPUID_EXT_SSSE3
|
926 .features
[FEAT_8000_0001_EDX
] =
928 .features
[FEAT_8000_0001_ECX
] =
930 .xlevel
= 0x80000008,
931 .model_id
= "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
936 .vendor
= CPUID_VENDOR_INTEL
,
940 .features
[FEAT_1_EDX
] =
941 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
942 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
943 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
944 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
945 CPUID_DE
| CPUID_FP87
,
946 .features
[FEAT_1_ECX
] =
947 CPUID_EXT_SSSE3
| CPUID_EXT_SSE3
,
948 .features
[FEAT_8000_0001_EDX
] =
949 CPUID_EXT2_LM
| CPUID_EXT2_NX
| CPUID_EXT2_SYSCALL
,
950 .features
[FEAT_8000_0001_ECX
] =
952 .xlevel
= 0x80000008,
953 .model_id
= "Intel Celeron_4x0 (Conroe/Merom Class Core 2)",
958 .vendor
= CPUID_VENDOR_INTEL
,
962 .features
[FEAT_1_EDX
] =
963 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
964 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
965 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
966 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
967 CPUID_DE
| CPUID_FP87
,
968 .features
[FEAT_1_ECX
] =
969 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
971 .features
[FEAT_8000_0001_EDX
] =
972 CPUID_EXT2_LM
| CPUID_EXT2_NX
| CPUID_EXT2_SYSCALL
,
973 .features
[FEAT_8000_0001_ECX
] =
975 .xlevel
= 0x80000008,
976 .model_id
= "Intel Core 2 Duo P9xxx (Penryn Class Core 2)",
981 .vendor
= CPUID_VENDOR_INTEL
,
985 .features
[FEAT_1_EDX
] =
986 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
987 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
988 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
989 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
990 CPUID_DE
| CPUID_FP87
,
991 .features
[FEAT_1_ECX
] =
992 CPUID_EXT_POPCNT
| CPUID_EXT_SSE42
| CPUID_EXT_SSE41
|
993 CPUID_EXT_CX16
| CPUID_EXT_SSSE3
| CPUID_EXT_SSE3
,
994 .features
[FEAT_8000_0001_EDX
] =
995 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
996 .features
[FEAT_8000_0001_ECX
] =
998 .xlevel
= 0x80000008,
999 .model_id
= "Intel Core i7 9xx (Nehalem Class Core i7)",
1004 .vendor
= CPUID_VENDOR_INTEL
,
1008 .features
[FEAT_1_EDX
] =
1009 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1010 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1011 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1012 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1013 CPUID_DE
| CPUID_FP87
,
1014 .features
[FEAT_1_ECX
] =
1015 CPUID_EXT_AES
| CPUID_EXT_POPCNT
| CPUID_EXT_SSE42
|
1016 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1017 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
,
1018 .features
[FEAT_8000_0001_EDX
] =
1019 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
1020 .features
[FEAT_8000_0001_ECX
] =
1022 .features
[FEAT_6_EAX
] =
1024 .xlevel
= 0x80000008,
1025 .model_id
= "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
1028 .name
= "SandyBridge",
1030 .vendor
= CPUID_VENDOR_INTEL
,
1034 .features
[FEAT_1_EDX
] =
1035 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1036 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1037 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1038 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1039 CPUID_DE
| CPUID_FP87
,
1040 .features
[FEAT_1_ECX
] =
1041 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1042 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_POPCNT
|
1043 CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
| CPUID_EXT_SSE41
|
1044 CPUID_EXT_CX16
| CPUID_EXT_SSSE3
| CPUID_EXT_PCLMULQDQ
|
1046 .features
[FEAT_8000_0001_EDX
] =
1047 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1049 .features
[FEAT_8000_0001_ECX
] =
1051 .features
[FEAT_XSAVE
] =
1052 CPUID_XSAVE_XSAVEOPT
,
1053 .features
[FEAT_6_EAX
] =
1055 .xlevel
= 0x80000008,
1056 .model_id
= "Intel Xeon E312xx (Sandy Bridge)",
1059 .name
= "IvyBridge",
1061 .vendor
= CPUID_VENDOR_INTEL
,
1065 .features
[FEAT_1_EDX
] =
1066 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1067 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1068 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1069 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1070 CPUID_DE
| CPUID_FP87
,
1071 .features
[FEAT_1_ECX
] =
1072 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1073 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_POPCNT
|
1074 CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
| CPUID_EXT_SSE41
|
1075 CPUID_EXT_CX16
| CPUID_EXT_SSSE3
| CPUID_EXT_PCLMULQDQ
|
1076 CPUID_EXT_SSE3
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1077 .features
[FEAT_7_0_EBX
] =
1078 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_SMEP
|
1080 .features
[FEAT_8000_0001_EDX
] =
1081 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1083 .features
[FEAT_8000_0001_ECX
] =
1085 .features
[FEAT_XSAVE
] =
1086 CPUID_XSAVE_XSAVEOPT
,
1087 .features
[FEAT_6_EAX
] =
1089 .xlevel
= 0x80000008,
1090 .model_id
= "Intel Xeon E3-12xx v2 (Ivy Bridge)",
1093 .name
= "Haswell-noTSX",
1095 .vendor
= CPUID_VENDOR_INTEL
,
1099 .features
[FEAT_1_EDX
] =
1100 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1101 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1102 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1103 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1104 CPUID_DE
| CPUID_FP87
,
1105 .features
[FEAT_1_ECX
] =
1106 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1107 CPUID_EXT_POPCNT
| CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
|
1108 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1109 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
|
1110 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_FMA
| CPUID_EXT_MOVBE
|
1111 CPUID_EXT_PCID
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1112 .features
[FEAT_8000_0001_EDX
] =
1113 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1115 .features
[FEAT_8000_0001_ECX
] =
1117 .features
[FEAT_7_0_EBX
] =
1118 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_BMI1
|
1119 CPUID_7_0_EBX_AVX2
| CPUID_7_0_EBX_SMEP
|
1120 CPUID_7_0_EBX_BMI2
| CPUID_7_0_EBX_ERMS
| CPUID_7_0_EBX_INVPCID
,
1121 .features
[FEAT_XSAVE
] =
1122 CPUID_XSAVE_XSAVEOPT
,
1123 .features
[FEAT_6_EAX
] =
1125 .xlevel
= 0x80000008,
1126 .model_id
= "Intel Core Processor (Haswell, no TSX)",
1130 .vendor
= CPUID_VENDOR_INTEL
,
1134 .features
[FEAT_1_EDX
] =
1135 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1136 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1137 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1138 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1139 CPUID_DE
| CPUID_FP87
,
1140 .features
[FEAT_1_ECX
] =
1141 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1142 CPUID_EXT_POPCNT
| CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
|
1143 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1144 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
|
1145 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_FMA
| CPUID_EXT_MOVBE
|
1146 CPUID_EXT_PCID
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1147 .features
[FEAT_8000_0001_EDX
] =
1148 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1150 .features
[FEAT_8000_0001_ECX
] =
1152 .features
[FEAT_7_0_EBX
] =
1153 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_BMI1
|
1154 CPUID_7_0_EBX_HLE
| CPUID_7_0_EBX_AVX2
| CPUID_7_0_EBX_SMEP
|
1155 CPUID_7_0_EBX_BMI2
| CPUID_7_0_EBX_ERMS
| CPUID_7_0_EBX_INVPCID
|
1157 .features
[FEAT_XSAVE
] =
1158 CPUID_XSAVE_XSAVEOPT
,
1159 .features
[FEAT_6_EAX
] =
1161 .xlevel
= 0x80000008,
1162 .model_id
= "Intel Core Processor (Haswell)",
1165 .name
= "Broadwell-noTSX",
1167 .vendor
= CPUID_VENDOR_INTEL
,
1171 .features
[FEAT_1_EDX
] =
1172 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1173 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1174 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1175 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1176 CPUID_DE
| CPUID_FP87
,
1177 .features
[FEAT_1_ECX
] =
1178 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1179 CPUID_EXT_POPCNT
| CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
|
1180 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1181 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
|
1182 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_FMA
| CPUID_EXT_MOVBE
|
1183 CPUID_EXT_PCID
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1184 .features
[FEAT_8000_0001_EDX
] =
1185 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1187 .features
[FEAT_8000_0001_ECX
] =
1188 CPUID_EXT3_LAHF_LM
| CPUID_EXT3_3DNOWPREFETCH
,
1189 .features
[FEAT_7_0_EBX
] =
1190 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_BMI1
|
1191 CPUID_7_0_EBX_AVX2
| CPUID_7_0_EBX_SMEP
|
1192 CPUID_7_0_EBX_BMI2
| CPUID_7_0_EBX_ERMS
| CPUID_7_0_EBX_INVPCID
|
1193 CPUID_7_0_EBX_RDSEED
| CPUID_7_0_EBX_ADX
|
1195 .features
[FEAT_XSAVE
] =
1196 CPUID_XSAVE_XSAVEOPT
,
1197 .features
[FEAT_6_EAX
] =
1199 .xlevel
= 0x80000008,
1200 .model_id
= "Intel Core Processor (Broadwell, no TSX)",
1203 .name
= "Broadwell",
1205 .vendor
= CPUID_VENDOR_INTEL
,
1209 .features
[FEAT_1_EDX
] =
1210 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1211 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1212 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1213 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1214 CPUID_DE
| CPUID_FP87
,
1215 .features
[FEAT_1_ECX
] =
1216 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1217 CPUID_EXT_POPCNT
| CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
|
1218 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1219 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
|
1220 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_FMA
| CPUID_EXT_MOVBE
|
1221 CPUID_EXT_PCID
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1222 .features
[FEAT_8000_0001_EDX
] =
1223 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1225 .features
[FEAT_8000_0001_ECX
] =
1226 CPUID_EXT3_LAHF_LM
| CPUID_EXT3_3DNOWPREFETCH
,
1227 .features
[FEAT_7_0_EBX
] =
1228 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_BMI1
|
1229 CPUID_7_0_EBX_HLE
| CPUID_7_0_EBX_AVX2
| CPUID_7_0_EBX_SMEP
|
1230 CPUID_7_0_EBX_BMI2
| CPUID_7_0_EBX_ERMS
| CPUID_7_0_EBX_INVPCID
|
1231 CPUID_7_0_EBX_RTM
| CPUID_7_0_EBX_RDSEED
| CPUID_7_0_EBX_ADX
|
1233 .features
[FEAT_XSAVE
] =
1234 CPUID_XSAVE_XSAVEOPT
,
1235 .features
[FEAT_6_EAX
] =
1237 .xlevel
= 0x80000008,
1238 .model_id
= "Intel Core Processor (Broadwell)",
1241 .name
= "Opteron_G1",
1243 .vendor
= CPUID_VENDOR_AMD
,
1247 .features
[FEAT_1_EDX
] =
1248 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1249 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1250 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1251 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1252 CPUID_DE
| CPUID_FP87
,
1253 .features
[FEAT_1_ECX
] =
1255 .features
[FEAT_8000_0001_EDX
] =
1256 CPUID_EXT2_LM
| CPUID_EXT2_FXSR
| CPUID_EXT2_MMX
|
1257 CPUID_EXT2_NX
| CPUID_EXT2_PSE36
| CPUID_EXT2_PAT
|
1258 CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
| CPUID_EXT2_PGE
|
1259 CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_APIC
|
1260 CPUID_EXT2_CX8
| CPUID_EXT2_MCE
| CPUID_EXT2_PAE
| CPUID_EXT2_MSR
|
1261 CPUID_EXT2_TSC
| CPUID_EXT2_PSE
| CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1262 .xlevel
= 0x80000008,
1263 .model_id
= "AMD Opteron 240 (Gen 1 Class Opteron)",
1266 .name
= "Opteron_G2",
1268 .vendor
= CPUID_VENDOR_AMD
,
1272 .features
[FEAT_1_EDX
] =
1273 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1274 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1275 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1276 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1277 CPUID_DE
| CPUID_FP87
,
1278 .features
[FEAT_1_ECX
] =
1279 CPUID_EXT_CX16
| CPUID_EXT_SSE3
,
1280 .features
[FEAT_8000_0001_EDX
] =
1281 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_FXSR
|
1282 CPUID_EXT2_MMX
| CPUID_EXT2_NX
| CPUID_EXT2_PSE36
|
1283 CPUID_EXT2_PAT
| CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
|
1284 CPUID_EXT2_PGE
| CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
|
1285 CPUID_EXT2_APIC
| CPUID_EXT2_CX8
| CPUID_EXT2_MCE
|
1286 CPUID_EXT2_PAE
| CPUID_EXT2_MSR
| CPUID_EXT2_TSC
| CPUID_EXT2_PSE
|
1287 CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1288 .features
[FEAT_8000_0001_ECX
] =
1289 CPUID_EXT3_SVM
| CPUID_EXT3_LAHF_LM
,
1290 .xlevel
= 0x80000008,
1291 .model_id
= "AMD Opteron 22xx (Gen 2 Class Opteron)",
1294 .name
= "Opteron_G3",
1296 .vendor
= CPUID_VENDOR_AMD
,
1300 .features
[FEAT_1_EDX
] =
1301 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1302 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1303 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1304 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1305 CPUID_DE
| CPUID_FP87
,
1306 .features
[FEAT_1_ECX
] =
1307 CPUID_EXT_POPCNT
| CPUID_EXT_CX16
| CPUID_EXT_MONITOR
|
1309 .features
[FEAT_8000_0001_EDX
] =
1310 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_FXSR
|
1311 CPUID_EXT2_MMX
| CPUID_EXT2_NX
| CPUID_EXT2_PSE36
|
1312 CPUID_EXT2_PAT
| CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
|
1313 CPUID_EXT2_PGE
| CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
|
1314 CPUID_EXT2_APIC
| CPUID_EXT2_CX8
| CPUID_EXT2_MCE
|
1315 CPUID_EXT2_PAE
| CPUID_EXT2_MSR
| CPUID_EXT2_TSC
| CPUID_EXT2_PSE
|
1316 CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1317 .features
[FEAT_8000_0001_ECX
] =
1318 CPUID_EXT3_MISALIGNSSE
| CPUID_EXT3_SSE4A
|
1319 CPUID_EXT3_ABM
| CPUID_EXT3_SVM
| CPUID_EXT3_LAHF_LM
,
1320 .xlevel
= 0x80000008,
1321 .model_id
= "AMD Opteron 23xx (Gen 3 Class Opteron)",
1324 .name
= "Opteron_G4",
1326 .vendor
= CPUID_VENDOR_AMD
,
1330 .features
[FEAT_1_EDX
] =
1331 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1332 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1333 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1334 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1335 CPUID_DE
| CPUID_FP87
,
1336 .features
[FEAT_1_ECX
] =
1337 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1338 CPUID_EXT_POPCNT
| CPUID_EXT_SSE42
| CPUID_EXT_SSE41
|
1339 CPUID_EXT_CX16
| CPUID_EXT_SSSE3
| CPUID_EXT_PCLMULQDQ
|
1341 .features
[FEAT_8000_0001_EDX
] =
1342 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
|
1343 CPUID_EXT2_PDPE1GB
| CPUID_EXT2_FXSR
| CPUID_EXT2_MMX
|
1344 CPUID_EXT2_NX
| CPUID_EXT2_PSE36
| CPUID_EXT2_PAT
|
1345 CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
| CPUID_EXT2_PGE
|
1346 CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_APIC
|
1347 CPUID_EXT2_CX8
| CPUID_EXT2_MCE
| CPUID_EXT2_PAE
| CPUID_EXT2_MSR
|
1348 CPUID_EXT2_TSC
| CPUID_EXT2_PSE
| CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1349 .features
[FEAT_8000_0001_ECX
] =
1350 CPUID_EXT3_FMA4
| CPUID_EXT3_XOP
|
1351 CPUID_EXT3_3DNOWPREFETCH
| CPUID_EXT3_MISALIGNSSE
|
1352 CPUID_EXT3_SSE4A
| CPUID_EXT3_ABM
| CPUID_EXT3_SVM
|
1355 .xlevel
= 0x8000001A,
1356 .model_id
= "AMD Opteron 62xx class CPU",
1359 .name
= "Opteron_G5",
1361 .vendor
= CPUID_VENDOR_AMD
,
1365 .features
[FEAT_1_EDX
] =
1366 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1367 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1368 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1369 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1370 CPUID_DE
| CPUID_FP87
,
1371 .features
[FEAT_1_ECX
] =
1372 CPUID_EXT_F16C
| CPUID_EXT_AVX
| CPUID_EXT_XSAVE
|
1373 CPUID_EXT_AES
| CPUID_EXT_POPCNT
| CPUID_EXT_SSE42
|
1374 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_FMA
|
1375 CPUID_EXT_SSSE3
| CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
,
1376 .features
[FEAT_8000_0001_EDX
] =
1377 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
|
1378 CPUID_EXT2_PDPE1GB
| CPUID_EXT2_FXSR
| CPUID_EXT2_MMX
|
1379 CPUID_EXT2_NX
| CPUID_EXT2_PSE36
| CPUID_EXT2_PAT
|
1380 CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
| CPUID_EXT2_PGE
|
1381 CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_APIC
|
1382 CPUID_EXT2_CX8
| CPUID_EXT2_MCE
| CPUID_EXT2_PAE
| CPUID_EXT2_MSR
|
1383 CPUID_EXT2_TSC
| CPUID_EXT2_PSE
| CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1384 .features
[FEAT_8000_0001_ECX
] =
1385 CPUID_EXT3_TBM
| CPUID_EXT3_FMA4
| CPUID_EXT3_XOP
|
1386 CPUID_EXT3_3DNOWPREFETCH
| CPUID_EXT3_MISALIGNSSE
|
1387 CPUID_EXT3_SSE4A
| CPUID_EXT3_ABM
| CPUID_EXT3_SVM
|
1390 .xlevel
= 0x8000001A,
1391 .model_id
= "AMD Opteron 63xx class CPU",
1396 * x86_cpu_compat_set_features:
1397 * @cpu_model: CPU model name to be changed. If NULL, all CPU models are changed
1398 * @w: Identifies the feature word to be changed.
1399 * @feat_add: Feature bits to be added to feature word
1400 * @feat_remove: Feature bits to be removed from feature word
1402 * Change CPU model feature bits for compatibility.
1404 * This function may be used by machine-type compatibility functions
1405 * to enable or disable feature bits on specific CPU models.
1407 void x86_cpu_compat_set_features(const char *cpu_model
, FeatureWord w
,
1408 uint32_t feat_add
, uint32_t feat_remove
)
1410 X86CPUDefinition
*def
;
1412 for (i
= 0; i
< ARRAY_SIZE(builtin_x86_defs
); i
++) {
1413 def
= &builtin_x86_defs
[i
];
1414 if (!cpu_model
|| !strcmp(cpu_model
, def
->name
)) {
1415 def
->features
[w
] |= feat_add
;
1416 def
->features
[w
] &= ~feat_remove
;
1421 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w
,
1422 bool migratable_only
);
1426 static int cpu_x86_fill_model_id(char *str
)
1428 uint32_t eax
= 0, ebx
= 0, ecx
= 0, edx
= 0;
1431 for (i
= 0; i
< 3; i
++) {
1432 host_cpuid(0x80000002 + i
, 0, &eax
, &ebx
, &ecx
, &edx
);
1433 memcpy(str
+ i
* 16 + 0, &eax
, 4);
1434 memcpy(str
+ i
* 16 + 4, &ebx
, 4);
1435 memcpy(str
+ i
* 16 + 8, &ecx
, 4);
1436 memcpy(str
+ i
* 16 + 12, &edx
, 4);
1441 static X86CPUDefinition host_cpudef
;
1443 static Property host_x86_cpu_properties
[] = {
1444 DEFINE_PROP_BOOL("migratable", X86CPU
, migratable
, true),
1445 DEFINE_PROP_END_OF_LIST()
1448 /* class_init for the "host" CPU model
1450 * This function may be called before KVM is initialized.
1452 static void host_x86_cpu_class_init(ObjectClass
*oc
, void *data
)
1454 DeviceClass
*dc
= DEVICE_CLASS(oc
);
1455 X86CPUClass
*xcc
= X86_CPU_CLASS(oc
);
1456 uint32_t eax
= 0, ebx
= 0, ecx
= 0, edx
= 0;
1458 xcc
->kvm_required
= true;
1460 host_cpuid(0x0, 0, &eax
, &ebx
, &ecx
, &edx
);
1461 x86_cpu_vendor_words2str(host_cpudef
.vendor
, ebx
, edx
, ecx
);
1463 host_cpuid(0x1, 0, &eax
, &ebx
, &ecx
, &edx
);
1464 host_cpudef
.family
= ((eax
>> 8) & 0x0F) + ((eax
>> 20) & 0xFF);
1465 host_cpudef
.model
= ((eax
>> 4) & 0x0F) | ((eax
& 0xF0000) >> 12);
1466 host_cpudef
.stepping
= eax
& 0x0F;
1468 cpu_x86_fill_model_id(host_cpudef
.model_id
);
1470 xcc
->cpu_def
= &host_cpudef
;
1471 host_cpudef
.cache_info_passthrough
= true;
1473 /* level, xlevel, xlevel2, and the feature words are initialized on
1474 * instance_init, because they require KVM to be initialized.
1477 dc
->props
= host_x86_cpu_properties
;
1480 static void host_x86_cpu_initfn(Object
*obj
)
1482 X86CPU
*cpu
= X86_CPU(obj
);
1483 CPUX86State
*env
= &cpu
->env
;
1484 KVMState
*s
= kvm_state
;
1486 assert(kvm_enabled());
1488 /* We can't fill the features array here because we don't know yet if
1489 * "migratable" is true or false.
1491 cpu
->host_features
= true;
1493 env
->cpuid_level
= kvm_arch_get_supported_cpuid(s
, 0x0, 0, R_EAX
);
1494 env
->cpuid_xlevel
= kvm_arch_get_supported_cpuid(s
, 0x80000000, 0, R_EAX
);
1495 env
->cpuid_xlevel2
= kvm_arch_get_supported_cpuid(s
, 0xC0000000, 0, R_EAX
);
1497 object_property_set_bool(OBJECT(cpu
), true, "pmu", &error_abort
);
1500 static const TypeInfo host_x86_cpu_type_info
= {
1501 .name
= X86_CPU_TYPE_NAME("host"),
1502 .parent
= TYPE_X86_CPU
,
1503 .instance_init
= host_x86_cpu_initfn
,
1504 .class_init
= host_x86_cpu_class_init
,
1509 static void report_unavailable_features(FeatureWord w
, uint32_t mask
)
1511 FeatureWordInfo
*f
= &feature_word_info
[w
];
1514 for (i
= 0; i
< 32; ++i
) {
1515 if (1 << i
& mask
) {
1516 const char *reg
= get_register_name_32(f
->cpuid_reg
);
1518 fprintf(stderr
, "warning: %s doesn't support requested feature: "
1519 "CPUID.%02XH:%s%s%s [bit %d]\n",
1520 kvm_enabled() ? "host" : "TCG",
1522 f
->feat_names
[i
] ? "." : "",
1523 f
->feat_names
[i
] ? f
->feat_names
[i
] : "", i
);
1528 static void x86_cpuid_version_get_family(Object
*obj
, Visitor
*v
, void *opaque
,
1529 const char *name
, Error
**errp
)
1531 X86CPU
*cpu
= X86_CPU(obj
);
1532 CPUX86State
*env
= &cpu
->env
;
1535 value
= (env
->cpuid_version
>> 8) & 0xf;
1537 value
+= (env
->cpuid_version
>> 20) & 0xff;
1539 visit_type_int(v
, &value
, name
, errp
);
1542 static void x86_cpuid_version_set_family(Object
*obj
, Visitor
*v
, void *opaque
,
1543 const char *name
, Error
**errp
)
1545 X86CPU
*cpu
= X86_CPU(obj
);
1546 CPUX86State
*env
= &cpu
->env
;
1547 const int64_t min
= 0;
1548 const int64_t max
= 0xff + 0xf;
1549 Error
*local_err
= NULL
;
1552 visit_type_int(v
, &value
, name
, &local_err
);
1554 error_propagate(errp
, local_err
);
1557 if (value
< min
|| value
> max
) {
1558 error_setg(errp
, QERR_PROPERTY_VALUE_OUT_OF_RANGE
, "",
1559 name
? name
: "null", value
, min
, max
);
1563 env
->cpuid_version
&= ~0xff00f00;
1565 env
->cpuid_version
|= 0xf00 | ((value
- 0x0f) << 20);
1567 env
->cpuid_version
|= value
<< 8;
1571 static void x86_cpuid_version_get_model(Object
*obj
, Visitor
*v
, void *opaque
,
1572 const char *name
, Error
**errp
)
1574 X86CPU
*cpu
= X86_CPU(obj
);
1575 CPUX86State
*env
= &cpu
->env
;
1578 value
= (env
->cpuid_version
>> 4) & 0xf;
1579 value
|= ((env
->cpuid_version
>> 16) & 0xf) << 4;
1580 visit_type_int(v
, &value
, name
, errp
);
1583 static void x86_cpuid_version_set_model(Object
*obj
, Visitor
*v
, void *opaque
,
1584 const char *name
, Error
**errp
)
1586 X86CPU
*cpu
= X86_CPU(obj
);
1587 CPUX86State
*env
= &cpu
->env
;
1588 const int64_t min
= 0;
1589 const int64_t max
= 0xff;
1590 Error
*local_err
= NULL
;
1593 visit_type_int(v
, &value
, name
, &local_err
);
1595 error_propagate(errp
, local_err
);
1598 if (value
< min
|| value
> max
) {
1599 error_setg(errp
, QERR_PROPERTY_VALUE_OUT_OF_RANGE
, "",
1600 name
? name
: "null", value
, min
, max
);
1604 env
->cpuid_version
&= ~0xf00f0;
1605 env
->cpuid_version
|= ((value
& 0xf) << 4) | ((value
>> 4) << 16);
1608 static void x86_cpuid_version_get_stepping(Object
*obj
, Visitor
*v
,
1609 void *opaque
, const char *name
,
1612 X86CPU
*cpu
= X86_CPU(obj
);
1613 CPUX86State
*env
= &cpu
->env
;
1616 value
= env
->cpuid_version
& 0xf;
1617 visit_type_int(v
, &value
, name
, errp
);
1620 static void x86_cpuid_version_set_stepping(Object
*obj
, Visitor
*v
,
1621 void *opaque
, const char *name
,
1624 X86CPU
*cpu
= X86_CPU(obj
);
1625 CPUX86State
*env
= &cpu
->env
;
1626 const int64_t min
= 0;
1627 const int64_t max
= 0xf;
1628 Error
*local_err
= NULL
;
1631 visit_type_int(v
, &value
, name
, &local_err
);
1633 error_propagate(errp
, local_err
);
1636 if (value
< min
|| value
> max
) {
1637 error_setg(errp
, QERR_PROPERTY_VALUE_OUT_OF_RANGE
, "",
1638 name
? name
: "null", value
, min
, max
);
1642 env
->cpuid_version
&= ~0xf;
1643 env
->cpuid_version
|= value
& 0xf;
1646 static char *x86_cpuid_get_vendor(Object
*obj
, Error
**errp
)
1648 X86CPU
*cpu
= X86_CPU(obj
);
1649 CPUX86State
*env
= &cpu
->env
;
1652 value
= g_malloc(CPUID_VENDOR_SZ
+ 1);
1653 x86_cpu_vendor_words2str(value
, env
->cpuid_vendor1
, env
->cpuid_vendor2
,
1654 env
->cpuid_vendor3
);
1658 static void x86_cpuid_set_vendor(Object
*obj
, const char *value
,
1661 X86CPU
*cpu
= X86_CPU(obj
);
1662 CPUX86State
*env
= &cpu
->env
;
1665 if (strlen(value
) != CPUID_VENDOR_SZ
) {
1666 error_setg(errp
, QERR_PROPERTY_VALUE_BAD
, "", "vendor", value
);
1670 env
->cpuid_vendor1
= 0;
1671 env
->cpuid_vendor2
= 0;
1672 env
->cpuid_vendor3
= 0;
1673 for (i
= 0; i
< 4; i
++) {
1674 env
->cpuid_vendor1
|= ((uint8_t)value
[i
]) << (8 * i
);
1675 env
->cpuid_vendor2
|= ((uint8_t)value
[i
+ 4]) << (8 * i
);
1676 env
->cpuid_vendor3
|= ((uint8_t)value
[i
+ 8]) << (8 * i
);
1680 static char *x86_cpuid_get_model_id(Object
*obj
, Error
**errp
)
1682 X86CPU
*cpu
= X86_CPU(obj
);
1683 CPUX86State
*env
= &cpu
->env
;
1687 value
= g_malloc(48 + 1);
1688 for (i
= 0; i
< 48; i
++) {
1689 value
[i
] = env
->cpuid_model
[i
>> 2] >> (8 * (i
& 3));
1695 static void x86_cpuid_set_model_id(Object
*obj
, const char *model_id
,
1698 X86CPU
*cpu
= X86_CPU(obj
);
1699 CPUX86State
*env
= &cpu
->env
;
1702 if (model_id
== NULL
) {
1705 len
= strlen(model_id
);
1706 memset(env
->cpuid_model
, 0, 48);
1707 for (i
= 0; i
< 48; i
++) {
1711 c
= (uint8_t)model_id
[i
];
1713 env
->cpuid_model
[i
>> 2] |= c
<< (8 * (i
& 3));
1717 static void x86_cpuid_get_tsc_freq(Object
*obj
, Visitor
*v
, void *opaque
,
1718 const char *name
, Error
**errp
)
1720 X86CPU
*cpu
= X86_CPU(obj
);
1723 value
= cpu
->env
.tsc_khz
* 1000;
1724 visit_type_int(v
, &value
, name
, errp
);
1727 static void x86_cpuid_set_tsc_freq(Object
*obj
, Visitor
*v
, void *opaque
,
1728 const char *name
, Error
**errp
)
1730 X86CPU
*cpu
= X86_CPU(obj
);
1731 const int64_t min
= 0;
1732 const int64_t max
= INT64_MAX
;
1733 Error
*local_err
= NULL
;
1736 visit_type_int(v
, &value
, name
, &local_err
);
1738 error_propagate(errp
, local_err
);
1741 if (value
< min
|| value
> max
) {
1742 error_setg(errp
, QERR_PROPERTY_VALUE_OUT_OF_RANGE
, "",
1743 name
? name
: "null", value
, min
, max
);
1747 cpu
->env
.tsc_khz
= value
/ 1000;
1750 static void x86_cpuid_get_apic_id(Object
*obj
, Visitor
*v
, void *opaque
,
1751 const char *name
, Error
**errp
)
1753 X86CPU
*cpu
= X86_CPU(obj
);
1754 int64_t value
= cpu
->apic_id
;
1756 visit_type_int(v
, &value
, name
, errp
);
1759 static void x86_cpuid_set_apic_id(Object
*obj
, Visitor
*v
, void *opaque
,
1760 const char *name
, Error
**errp
)
1762 X86CPU
*cpu
= X86_CPU(obj
);
1763 DeviceState
*dev
= DEVICE(obj
);
1764 const int64_t min
= 0;
1765 const int64_t max
= UINT32_MAX
;
1766 Error
*error
= NULL
;
1769 if (dev
->realized
) {
1770 error_setg(errp
, "Attempt to set property '%s' on '%s' after "
1771 "it was realized", name
, object_get_typename(obj
));
1775 visit_type_int(v
, &value
, name
, &error
);
1777 error_propagate(errp
, error
);
1780 if (value
< min
|| value
> max
) {
1781 error_setg(errp
, "Property %s.%s doesn't take value %" PRId64
1782 " (minimum: %" PRId64
", maximum: %" PRId64
")" ,
1783 object_get_typename(obj
), name
, value
, min
, max
);
1787 if ((value
!= cpu
->apic_id
) && cpu_exists(value
)) {
1788 error_setg(errp
, "CPU with APIC ID %" PRIi64
" exists", value
);
1791 cpu
->apic_id
= value
;
1794 /* Generic getter for "feature-words" and "filtered-features" properties */
1795 static void x86_cpu_get_feature_words(Object
*obj
, Visitor
*v
, void *opaque
,
1796 const char *name
, Error
**errp
)
1798 uint32_t *array
= (uint32_t *)opaque
;
1801 X86CPUFeatureWordInfo word_infos
[FEATURE_WORDS
] = { };
1802 X86CPUFeatureWordInfoList list_entries
[FEATURE_WORDS
] = { };
1803 X86CPUFeatureWordInfoList
*list
= NULL
;
1805 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
1806 FeatureWordInfo
*wi
= &feature_word_info
[w
];
1807 X86CPUFeatureWordInfo
*qwi
= &word_infos
[w
];
1808 qwi
->cpuid_input_eax
= wi
->cpuid_eax
;
1809 qwi
->has_cpuid_input_ecx
= wi
->cpuid_needs_ecx
;
1810 qwi
->cpuid_input_ecx
= wi
->cpuid_ecx
;
1811 qwi
->cpuid_register
= x86_reg_info_32
[wi
->cpuid_reg
].qapi_enum
;
1812 qwi
->features
= array
[w
];
1814 /* List will be in reverse order, but order shouldn't matter */
1815 list_entries
[w
].next
= list
;
1816 list_entries
[w
].value
= &word_infos
[w
];
1817 list
= &list_entries
[w
];
1820 visit_type_X86CPUFeatureWordInfoList(v
, &list
, "feature-words", &err
);
1821 error_propagate(errp
, err
);
1824 static void x86_get_hv_spinlocks(Object
*obj
, Visitor
*v
, void *opaque
,
1825 const char *name
, Error
**errp
)
1827 X86CPU
*cpu
= X86_CPU(obj
);
1828 int64_t value
= cpu
->hyperv_spinlock_attempts
;
1830 visit_type_int(v
, &value
, name
, errp
);
1833 static void x86_set_hv_spinlocks(Object
*obj
, Visitor
*v
, void *opaque
,
1834 const char *name
, Error
**errp
)
1836 const int64_t min
= 0xFFF;
1837 const int64_t max
= UINT_MAX
;
1838 X86CPU
*cpu
= X86_CPU(obj
);
1842 visit_type_int(v
, &value
, name
, &err
);
1844 error_propagate(errp
, err
);
1848 if (value
< min
|| value
> max
) {
1849 error_setg(errp
, "Property %s.%s doesn't take value %" PRId64
1850 " (minimum: %" PRId64
", maximum: %" PRId64
")",
1851 object_get_typename(obj
), name
? name
: "null",
1855 cpu
->hyperv_spinlock_attempts
= value
;
1858 static PropertyInfo qdev_prop_spinlocks
= {
1860 .get
= x86_get_hv_spinlocks
,
1861 .set
= x86_set_hv_spinlocks
,
1864 /* Convert all '_' in a feature string option name to '-', to make feature
1865 * name conform to QOM property naming rule, which uses '-' instead of '_'.
1867 static inline void feat2prop(char *s
)
1869 while ((s
= strchr(s
, '_'))) {
1874 /* Parse "+feature,-feature,feature=foo" CPU feature string
1876 static void x86_cpu_parse_featurestr(CPUState
*cs
, char *features
,
1879 X86CPU
*cpu
= X86_CPU(cs
);
1880 char *featurestr
; /* Single 'key=value" string being parsed */
1882 /* Features to be added */
1883 FeatureWordArray plus_features
= { 0 };
1884 /* Features to be removed */
1885 FeatureWordArray minus_features
= { 0 };
1887 CPUX86State
*env
= &cpu
->env
;
1888 Error
*local_err
= NULL
;
1890 featurestr
= features
? strtok(features
, ",") : NULL
;
1892 while (featurestr
) {
1894 if (featurestr
[0] == '+') {
1895 add_flagname_to_bitmaps(featurestr
+ 1, plus_features
, &local_err
);
1896 } else if (featurestr
[0] == '-') {
1897 add_flagname_to_bitmaps(featurestr
+ 1, minus_features
, &local_err
);
1898 } else if ((val
= strchr(featurestr
, '='))) {
1900 feat2prop(featurestr
);
1901 if (!strcmp(featurestr
, "xlevel")) {
1905 numvalue
= strtoul(val
, &err
, 0);
1906 if (!*val
|| *err
) {
1907 error_setg(errp
, "bad numerical value %s", val
);
1910 if (numvalue
< 0x80000000) {
1911 error_report("xlevel value shall always be >= 0x80000000"
1912 ", fixup will be removed in future versions");
1913 numvalue
+= 0x80000000;
1915 snprintf(num
, sizeof(num
), "%" PRIu32
, numvalue
);
1916 object_property_parse(OBJECT(cpu
), num
, featurestr
, &local_err
);
1917 } else if (!strcmp(featurestr
, "tsc-freq")) {
1922 tsc_freq
= strtosz_suffix_unit(val
, &err
,
1923 STRTOSZ_DEFSUFFIX_B
, 1000);
1924 if (tsc_freq
< 0 || *err
) {
1925 error_setg(errp
, "bad numerical value %s", val
);
1928 snprintf(num
, sizeof(num
), "%" PRId64
, tsc_freq
);
1929 object_property_parse(OBJECT(cpu
), num
, "tsc-frequency",
1931 } else if (!strcmp(featurestr
, "hv-spinlocks")) {
1933 const int min
= 0xFFF;
1935 numvalue
= strtoul(val
, &err
, 0);
1936 if (!*val
|| *err
) {
1937 error_setg(errp
, "bad numerical value %s", val
);
1940 if (numvalue
< min
) {
1941 error_report("hv-spinlocks value shall always be >= 0x%x"
1942 ", fixup will be removed in future versions",
1946 snprintf(num
, sizeof(num
), "%" PRId32
, numvalue
);
1947 object_property_parse(OBJECT(cpu
), num
, featurestr
, &local_err
);
1949 object_property_parse(OBJECT(cpu
), val
, featurestr
, &local_err
);
1952 feat2prop(featurestr
);
1953 object_property_parse(OBJECT(cpu
), "on", featurestr
, &local_err
);
1956 error_propagate(errp
, local_err
);
1959 featurestr
= strtok(NULL
, ",");
1962 if (cpu
->host_features
) {
1963 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
1965 x86_cpu_get_supported_feature_word(w
, cpu
->migratable
);
1969 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
1970 env
->features
[w
] |= plus_features
[w
];
1971 env
->features
[w
] &= ~minus_features
[w
];
1975 /* Print all cpuid feature names in featureset
1977 static void listflags(FILE *f
, fprintf_function print
, const char **featureset
)
1982 for (bit
= 0; bit
< 32; bit
++) {
1983 if (featureset
[bit
]) {
1984 print(f
, "%s%s", first
? "" : " ", featureset
[bit
]);
1990 /* generate CPU information. */
1991 void x86_cpu_list(FILE *f
, fprintf_function cpu_fprintf
)
1993 X86CPUDefinition
*def
;
1997 for (i
= 0; i
< ARRAY_SIZE(builtin_x86_defs
); i
++) {
1998 def
= &builtin_x86_defs
[i
];
1999 snprintf(buf
, sizeof(buf
), "%s", def
->name
);
2000 (*cpu_fprintf
)(f
, "x86 %16s %-48s\n", buf
, def
->model_id
);
2003 (*cpu_fprintf
)(f
, "x86 %16s %-48s\n", "host",
2004 "KVM processor with all supported host features "
2005 "(only available in KVM mode)");
2008 (*cpu_fprintf
)(f
, "\nRecognized CPUID flags:\n");
2009 for (i
= 0; i
< ARRAY_SIZE(feature_word_info
); i
++) {
2010 FeatureWordInfo
*fw
= &feature_word_info
[i
];
2012 (*cpu_fprintf
)(f
, " ");
2013 listflags(f
, cpu_fprintf
, fw
->feat_names
);
2014 (*cpu_fprintf
)(f
, "\n");
2018 CpuDefinitionInfoList
*arch_query_cpu_definitions(Error
**errp
)
2020 CpuDefinitionInfoList
*cpu_list
= NULL
;
2021 X86CPUDefinition
*def
;
2024 for (i
= 0; i
< ARRAY_SIZE(builtin_x86_defs
); i
++) {
2025 CpuDefinitionInfoList
*entry
;
2026 CpuDefinitionInfo
*info
;
2028 def
= &builtin_x86_defs
[i
];
2029 info
= g_malloc0(sizeof(*info
));
2030 info
->name
= g_strdup(def
->name
);
2032 entry
= g_malloc0(sizeof(*entry
));
2033 entry
->value
= info
;
2034 entry
->next
= cpu_list
;
2041 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w
,
2042 bool migratable_only
)
2044 FeatureWordInfo
*wi
= &feature_word_info
[w
];
2047 if (kvm_enabled()) {
2048 r
= kvm_arch_get_supported_cpuid(kvm_state
, wi
->cpuid_eax
,
2051 } else if (tcg_enabled()) {
2052 r
= wi
->tcg_features
;
2056 if (migratable_only
) {
2057 r
&= x86_cpu_get_migratable_flags(w
);
2063 * Filters CPU feature words based on host availability of each feature.
2065 * Returns: 0 if all flags are supported by the host, non-zero otherwise.
2067 static int x86_cpu_filter_features(X86CPU
*cpu
)
2069 CPUX86State
*env
= &cpu
->env
;
2073 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
2074 uint32_t host_feat
=
2075 x86_cpu_get_supported_feature_word(w
, cpu
->migratable
);
2076 uint32_t requested_features
= env
->features
[w
];
2077 env
->features
[w
] &= host_feat
;
2078 cpu
->filtered_features
[w
] = requested_features
& ~env
->features
[w
];
2079 if (cpu
->filtered_features
[w
]) {
2080 if (cpu
->check_cpuid
|| cpu
->enforce_cpuid
) {
2081 report_unavailable_features(w
, cpu
->filtered_features
[w
]);
2090 /* Load data from X86CPUDefinition
2092 static void x86_cpu_load_def(X86CPU
*cpu
, X86CPUDefinition
*def
, Error
**errp
)
2094 CPUX86State
*env
= &cpu
->env
;
2096 char host_vendor
[CPUID_VENDOR_SZ
+ 1];
2099 object_property_set_int(OBJECT(cpu
), def
->level
, "level", errp
);
2100 object_property_set_int(OBJECT(cpu
), def
->family
, "family", errp
);
2101 object_property_set_int(OBJECT(cpu
), def
->model
, "model", errp
);
2102 object_property_set_int(OBJECT(cpu
), def
->stepping
, "stepping", errp
);
2103 object_property_set_int(OBJECT(cpu
), def
->xlevel
, "xlevel", errp
);
2104 object_property_set_int(OBJECT(cpu
), def
->xlevel2
, "xlevel2", errp
);
2105 cpu
->cache_info_passthrough
= def
->cache_info_passthrough
;
2106 object_property_set_str(OBJECT(cpu
), def
->model_id
, "model-id", errp
);
2107 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
2108 env
->features
[w
] = def
->features
[w
];
2111 /* Special cases not set in the X86CPUDefinition structs: */
2112 if (kvm_enabled()) {
2114 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
2115 env
->features
[w
] |= kvm_default_features
[w
];
2116 env
->features
[w
] &= ~kvm_default_unset_features
[w
];
2120 env
->features
[FEAT_1_ECX
] |= CPUID_EXT_HYPERVISOR
;
2122 /* sysenter isn't supported in compatibility mode on AMD,
2123 * syscall isn't supported in compatibility mode on Intel.
2124 * Normally we advertise the actual CPU vendor, but you can
2125 * override this using the 'vendor' property if you want to use
2126 * KVM's sysenter/syscall emulation in compatibility mode and
2127 * when doing cross vendor migration
2129 vendor
= def
->vendor
;
2130 if (kvm_enabled()) {
2131 uint32_t ebx
= 0, ecx
= 0, edx
= 0;
2132 host_cpuid(0, 0, NULL
, &ebx
, &ecx
, &edx
);
2133 x86_cpu_vendor_words2str(host_vendor
, ebx
, edx
, ecx
);
2134 vendor
= host_vendor
;
2137 object_property_set_str(OBJECT(cpu
), vendor
, "vendor", errp
);
2141 X86CPU
*cpu_x86_create(const char *cpu_model
, Error
**errp
)
2146 gchar
**model_pieces
;
2147 char *name
, *features
;
2148 Error
*error
= NULL
;
2150 model_pieces
= g_strsplit(cpu_model
, ",", 2);
2151 if (!model_pieces
[0]) {
2152 error_setg(&error
, "Invalid/empty CPU model name");
2155 name
= model_pieces
[0];
2156 features
= model_pieces
[1];
2158 oc
= x86_cpu_class_by_name(name
);
2160 error_setg(&error
, "Unable to find CPU definition: %s", name
);
2163 xcc
= X86_CPU_CLASS(oc
);
2165 if (xcc
->kvm_required
&& !kvm_enabled()) {
2166 error_setg(&error
, "CPU model '%s' requires KVM", name
);
2170 cpu
= X86_CPU(object_new(object_class_get_name(oc
)));
2172 x86_cpu_parse_featurestr(CPU(cpu
), features
, &error
);
2178 if (error
!= NULL
) {
2179 error_propagate(errp
, error
);
2181 object_unref(OBJECT(cpu
));
2185 g_strfreev(model_pieces
);
2189 X86CPU
*cpu_x86_init(const char *cpu_model
)
2191 Error
*error
= NULL
;
2194 cpu
= cpu_x86_create(cpu_model
, &error
);
2199 object_property_set_bool(OBJECT(cpu
), true, "realized", &error
);
2203 error_report_err(error
);
2205 object_unref(OBJECT(cpu
));
2212 static void x86_cpu_cpudef_class_init(ObjectClass
*oc
, void *data
)
2214 X86CPUDefinition
*cpudef
= data
;
2215 X86CPUClass
*xcc
= X86_CPU_CLASS(oc
);
2217 xcc
->cpu_def
= cpudef
;
2220 static void x86_register_cpudef_type(X86CPUDefinition
*def
)
2222 char *typename
= x86_cpu_type_name(def
->name
);
2225 .parent
= TYPE_X86_CPU
,
2226 .class_init
= x86_cpu_cpudef_class_init
,
2234 #if !defined(CONFIG_USER_ONLY)
2236 void cpu_clear_apic_feature(CPUX86State
*env
)
2238 env
->features
[FEAT_1_EDX
] &= ~CPUID_APIC
;
2241 #endif /* !CONFIG_USER_ONLY */
2243 /* Initialize list of CPU models, filling some non-static fields if necessary
2245 void x86_cpudef_setup(void)
2248 static const char *model_with_versions
[] = { "qemu32", "qemu64", "athlon" };
2250 for (i
= 0; i
< ARRAY_SIZE(builtin_x86_defs
); ++i
) {
2251 X86CPUDefinition
*def
= &builtin_x86_defs
[i
];
2253 /* Look for specific "cpudef" models that */
2254 /* have the QEMU version in .model_id */
2255 for (j
= 0; j
< ARRAY_SIZE(model_with_versions
); j
++) {
2256 if (strcmp(model_with_versions
[j
], def
->name
) == 0) {
2257 pstrcpy(def
->model_id
, sizeof(def
->model_id
),
2258 "QEMU Virtual CPU version ");
2259 pstrcat(def
->model_id
, sizeof(def
->model_id
),
2260 qemu_get_version());
2267 void cpu_x86_cpuid(CPUX86State
*env
, uint32_t index
, uint32_t count
,
2268 uint32_t *eax
, uint32_t *ebx
,
2269 uint32_t *ecx
, uint32_t *edx
)
2271 X86CPU
*cpu
= x86_env_get_cpu(env
);
2272 CPUState
*cs
= CPU(cpu
);
2274 /* test if maximum index reached */
2275 if (index
& 0x80000000) {
2276 if (index
> env
->cpuid_xlevel
) {
2277 if (env
->cpuid_xlevel2
> 0) {
2278 /* Handle the Centaur's CPUID instruction. */
2279 if (index
> env
->cpuid_xlevel2
) {
2280 index
= env
->cpuid_xlevel2
;
2281 } else if (index
< 0xC0000000) {
2282 index
= env
->cpuid_xlevel
;
2285 /* Intel documentation states that invalid EAX input will
2286 * return the same information as EAX=cpuid_level
2287 * (Intel SDM Vol. 2A - Instruction Set Reference - CPUID)
2289 index
= env
->cpuid_level
;
2293 if (index
> env
->cpuid_level
)
2294 index
= env
->cpuid_level
;
2299 *eax
= env
->cpuid_level
;
2300 *ebx
= env
->cpuid_vendor1
;
2301 *edx
= env
->cpuid_vendor2
;
2302 *ecx
= env
->cpuid_vendor3
;
2305 *eax
= env
->cpuid_version
;
2306 *ebx
= (cpu
->apic_id
<< 24) |
2307 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */
2308 *ecx
= env
->features
[FEAT_1_ECX
];
2309 *edx
= env
->features
[FEAT_1_EDX
];
2310 if (cs
->nr_cores
* cs
->nr_threads
> 1) {
2311 *ebx
|= (cs
->nr_cores
* cs
->nr_threads
) << 16;
2312 *edx
|= 1 << 28; /* HTT bit */
2316 /* cache info: needed for Pentium Pro compatibility */
2317 if (cpu
->cache_info_passthrough
) {
2318 host_cpuid(index
, 0, eax
, ebx
, ecx
, edx
);
2321 *eax
= 1; /* Number of CPUID[EAX=2] calls required */
2324 *edx
= (L1D_DESCRIPTOR
<< 16) | \
2325 (L1I_DESCRIPTOR
<< 8) | \
2329 /* cache info: needed for Core compatibility */
2330 if (cpu
->cache_info_passthrough
) {
2331 host_cpuid(index
, count
, eax
, ebx
, ecx
, edx
);
2332 *eax
&= ~0xFC000000;
2336 case 0: /* L1 dcache info */
2337 *eax
|= CPUID_4_TYPE_DCACHE
| \
2338 CPUID_4_LEVEL(1) | \
2339 CPUID_4_SELF_INIT_LEVEL
;
2340 *ebx
= (L1D_LINE_SIZE
- 1) | \
2341 ((L1D_PARTITIONS
- 1) << 12) | \
2342 ((L1D_ASSOCIATIVITY
- 1) << 22);
2343 *ecx
= L1D_SETS
- 1;
2344 *edx
= CPUID_4_NO_INVD_SHARING
;
2346 case 1: /* L1 icache info */
2347 *eax
|= CPUID_4_TYPE_ICACHE
| \
2348 CPUID_4_LEVEL(1) | \
2349 CPUID_4_SELF_INIT_LEVEL
;
2350 *ebx
= (L1I_LINE_SIZE
- 1) | \
2351 ((L1I_PARTITIONS
- 1) << 12) | \
2352 ((L1I_ASSOCIATIVITY
- 1) << 22);
2353 *ecx
= L1I_SETS
- 1;
2354 *edx
= CPUID_4_NO_INVD_SHARING
;
2356 case 2: /* L2 cache info */
2357 *eax
|= CPUID_4_TYPE_UNIFIED
| \
2358 CPUID_4_LEVEL(2) | \
2359 CPUID_4_SELF_INIT_LEVEL
;
2360 if (cs
->nr_threads
> 1) {
2361 *eax
|= (cs
->nr_threads
- 1) << 14;
2363 *ebx
= (L2_LINE_SIZE
- 1) | \
2364 ((L2_PARTITIONS
- 1) << 12) | \
2365 ((L2_ASSOCIATIVITY
- 1) << 22);
2367 *edx
= CPUID_4_NO_INVD_SHARING
;
2369 default: /* end of info */
2378 /* QEMU gives out its own APIC IDs, never pass down bits 31..26. */
2379 if ((*eax
& 31) && cs
->nr_cores
> 1) {
2380 *eax
|= (cs
->nr_cores
- 1) << 26;
2384 /* mwait info: needed for Core compatibility */
2385 *eax
= 0; /* Smallest monitor-line size in bytes */
2386 *ebx
= 0; /* Largest monitor-line size in bytes */
2387 *ecx
= CPUID_MWAIT_EMX
| CPUID_MWAIT_IBE
;
2391 /* Thermal and Power Leaf */
2392 *eax
= env
->features
[FEAT_6_EAX
];
2398 /* Structured Extended Feature Flags Enumeration Leaf */
2400 *eax
= 0; /* Maximum ECX value for sub-leaves */
2401 *ebx
= env
->features
[FEAT_7_0_EBX
]; /* Feature flags */
2402 *ecx
= 0; /* Reserved */
2403 *edx
= 0; /* Reserved */
2412 /* Direct Cache Access Information Leaf */
2413 *eax
= 0; /* Bits 0-31 in DCA_CAP MSR */
2419 /* Architectural Performance Monitoring Leaf */
2420 if (kvm_enabled() && cpu
->enable_pmu
) {
2421 KVMState
*s
= cs
->kvm_state
;
2423 *eax
= kvm_arch_get_supported_cpuid(s
, 0xA, count
, R_EAX
);
2424 *ebx
= kvm_arch_get_supported_cpuid(s
, 0xA, count
, R_EBX
);
2425 *ecx
= kvm_arch_get_supported_cpuid(s
, 0xA, count
, R_ECX
);
2426 *edx
= kvm_arch_get_supported_cpuid(s
, 0xA, count
, R_EDX
);
2435 KVMState
*s
= cs
->kvm_state
;
2439 /* Processor Extended State */
2444 if (!(env
->features
[FEAT_1_ECX
] & CPUID_EXT_XSAVE
) || !kvm_enabled()) {
2448 kvm_arch_get_supported_cpuid(s
, 0xd, 0, R_EAX
) |
2449 ((uint64_t)kvm_arch_get_supported_cpuid(s
, 0xd, 0, R_EDX
) << 32);
2453 for (i
= 2; i
< ARRAY_SIZE(ext_save_areas
); i
++) {
2454 const ExtSaveArea
*esa
= &ext_save_areas
[i
];
2455 if ((env
->features
[esa
->feature
] & esa
->bits
) == esa
->bits
&&
2456 (kvm_mask
& (1 << i
)) != 0) {
2460 *edx
|= 1 << (i
- 32);
2462 *ecx
= MAX(*ecx
, esa
->offset
+ esa
->size
);
2465 *eax
|= kvm_mask
& (XSTATE_FP
| XSTATE_SSE
);
2467 } else if (count
== 1) {
2468 *eax
= env
->features
[FEAT_XSAVE
];
2469 } else if (count
< ARRAY_SIZE(ext_save_areas
)) {
2470 const ExtSaveArea
*esa
= &ext_save_areas
[count
];
2471 if ((env
->features
[esa
->feature
] & esa
->bits
) == esa
->bits
&&
2472 (kvm_mask
& (1 << count
)) != 0) {
2480 *eax
= env
->cpuid_xlevel
;
2481 *ebx
= env
->cpuid_vendor1
;
2482 *edx
= env
->cpuid_vendor2
;
2483 *ecx
= env
->cpuid_vendor3
;
2486 *eax
= env
->cpuid_version
;
2488 *ecx
= env
->features
[FEAT_8000_0001_ECX
];
2489 *edx
= env
->features
[FEAT_8000_0001_EDX
];
2491 /* The Linux kernel checks for the CMPLegacy bit and
2492 * discards multiple thread information if it is set.
2493 * So dont set it here for Intel to make Linux guests happy.
2495 if (cs
->nr_cores
* cs
->nr_threads
> 1) {
2496 if (env
->cpuid_vendor1
!= CPUID_VENDOR_INTEL_1
||
2497 env
->cpuid_vendor2
!= CPUID_VENDOR_INTEL_2
||
2498 env
->cpuid_vendor3
!= CPUID_VENDOR_INTEL_3
) {
2499 *ecx
|= 1 << 1; /* CmpLegacy bit */
2506 *eax
= env
->cpuid_model
[(index
- 0x80000002) * 4 + 0];
2507 *ebx
= env
->cpuid_model
[(index
- 0x80000002) * 4 + 1];
2508 *ecx
= env
->cpuid_model
[(index
- 0x80000002) * 4 + 2];
2509 *edx
= env
->cpuid_model
[(index
- 0x80000002) * 4 + 3];
2512 /* cache info (L1 cache) */
2513 if (cpu
->cache_info_passthrough
) {
2514 host_cpuid(index
, 0, eax
, ebx
, ecx
, edx
);
2517 *eax
= (L1_DTLB_2M_ASSOC
<< 24) | (L1_DTLB_2M_ENTRIES
<< 16) | \
2518 (L1_ITLB_2M_ASSOC
<< 8) | (L1_ITLB_2M_ENTRIES
);
2519 *ebx
= (L1_DTLB_4K_ASSOC
<< 24) | (L1_DTLB_4K_ENTRIES
<< 16) | \
2520 (L1_ITLB_4K_ASSOC
<< 8) | (L1_ITLB_4K_ENTRIES
);
2521 *ecx
= (L1D_SIZE_KB_AMD
<< 24) | (L1D_ASSOCIATIVITY_AMD
<< 16) | \
2522 (L1D_LINES_PER_TAG
<< 8) | (L1D_LINE_SIZE
);
2523 *edx
= (L1I_SIZE_KB_AMD
<< 24) | (L1I_ASSOCIATIVITY_AMD
<< 16) | \
2524 (L1I_LINES_PER_TAG
<< 8) | (L1I_LINE_SIZE
);
2527 /* cache info (L2 cache) */
2528 if (cpu
->cache_info_passthrough
) {
2529 host_cpuid(index
, 0, eax
, ebx
, ecx
, edx
);
2532 *eax
= (AMD_ENC_ASSOC(L2_DTLB_2M_ASSOC
) << 28) | \
2533 (L2_DTLB_2M_ENTRIES
<< 16) | \
2534 (AMD_ENC_ASSOC(L2_ITLB_2M_ASSOC
) << 12) | \
2535 (L2_ITLB_2M_ENTRIES
);
2536 *ebx
= (AMD_ENC_ASSOC(L2_DTLB_4K_ASSOC
) << 28) | \
2537 (L2_DTLB_4K_ENTRIES
<< 16) | \
2538 (AMD_ENC_ASSOC(L2_ITLB_4K_ASSOC
) << 12) | \
2539 (L2_ITLB_4K_ENTRIES
);
2540 *ecx
= (L2_SIZE_KB_AMD
<< 16) | \
2541 (AMD_ENC_ASSOC(L2_ASSOCIATIVITY
) << 12) | \
2542 (L2_LINES_PER_TAG
<< 8) | (L2_LINE_SIZE
);
2543 *edx
= ((L3_SIZE_KB
/512) << 18) | \
2544 (AMD_ENC_ASSOC(L3_ASSOCIATIVITY
) << 12) | \
2545 (L3_LINES_PER_TAG
<< 8) | (L3_LINE_SIZE
);
2551 *edx
= env
->features
[FEAT_8000_0007_EDX
];
2554 /* virtual & phys address size in low 2 bytes. */
2555 /* XXX: This value must match the one used in the MMU code. */
2556 if (env
->features
[FEAT_8000_0001_EDX
] & CPUID_EXT2_LM
) {
2557 /* 64 bit processor */
2558 /* XXX: The physical address space is limited to 42 bits in exec.c. */
2559 *eax
= 0x00003028; /* 48 bits virtual, 40 bits physical */
2561 if (env
->features
[FEAT_1_EDX
] & CPUID_PSE36
) {
2562 *eax
= 0x00000024; /* 36 bits physical */
2564 *eax
= 0x00000020; /* 32 bits physical */
2570 if (cs
->nr_cores
* cs
->nr_threads
> 1) {
2571 *ecx
|= (cs
->nr_cores
* cs
->nr_threads
) - 1;
2575 if (env
->features
[FEAT_8000_0001_ECX
] & CPUID_EXT3_SVM
) {
2576 *eax
= 0x00000001; /* SVM Revision */
2577 *ebx
= 0x00000010; /* nr of ASIDs */
2579 *edx
= env
->features
[FEAT_SVM
]; /* optional features */
2588 *eax
= env
->cpuid_xlevel2
;
2594 /* Support for VIA CPU's CPUID instruction */
2595 *eax
= env
->cpuid_version
;
2598 *edx
= env
->features
[FEAT_C000_0001_EDX
];
2603 /* Reserved for the future, and now filled with zero */
2610 /* reserved values: zero */
2619 /* CPUClass::reset() */
2620 static void x86_cpu_reset(CPUState
*s
)
2622 X86CPU
*cpu
= X86_CPU(s
);
2623 X86CPUClass
*xcc
= X86_CPU_GET_CLASS(cpu
);
2624 CPUX86State
*env
= &cpu
->env
;
2627 xcc
->parent_reset(s
);
2629 memset(env
, 0, offsetof(CPUX86State
, cpuid_level
));
2633 env
->old_exception
= -1;
2635 /* init to reset state */
2637 #ifdef CONFIG_SOFTMMU
2638 env
->hflags
|= HF_SOFTMMU_MASK
;
2640 env
->hflags2
|= HF2_GIF_MASK
;
2642 cpu_x86_update_cr0(env
, 0x60000010);
2643 env
->a20_mask
= ~0x0;
2644 env
->smbase
= 0x30000;
2646 env
->idt
.limit
= 0xffff;
2647 env
->gdt
.limit
= 0xffff;
2648 env
->ldt
.limit
= 0xffff;
2649 env
->ldt
.flags
= DESC_P_MASK
| (2 << DESC_TYPE_SHIFT
);
2650 env
->tr
.limit
= 0xffff;
2651 env
->tr
.flags
= DESC_P_MASK
| (11 << DESC_TYPE_SHIFT
);
2653 cpu_x86_load_seg_cache(env
, R_CS
, 0xf000, 0xffff0000, 0xffff,
2654 DESC_P_MASK
| DESC_S_MASK
| DESC_CS_MASK
|
2655 DESC_R_MASK
| DESC_A_MASK
);
2656 cpu_x86_load_seg_cache(env
, R_DS
, 0, 0, 0xffff,
2657 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2659 cpu_x86_load_seg_cache(env
, R_ES
, 0, 0, 0xffff,
2660 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2662 cpu_x86_load_seg_cache(env
, R_SS
, 0, 0, 0xffff,
2663 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2665 cpu_x86_load_seg_cache(env
, R_FS
, 0, 0, 0xffff,
2666 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2668 cpu_x86_load_seg_cache(env
, R_GS
, 0, 0, 0xffff,
2669 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2673 env
->regs
[R_EDX
] = env
->cpuid_version
;
2678 for (i
= 0; i
< 8; i
++) {
2681 cpu_set_fpuc(env
, 0x37f);
2683 env
->mxcsr
= 0x1f80;
2684 env
->xstate_bv
= XSTATE_FP
| XSTATE_SSE
;
2686 env
->pat
= 0x0007040600070406ULL
;
2687 env
->msr_ia32_misc_enable
= MSR_IA32_MISC_ENABLE_DEFAULT
;
2689 memset(env
->dr
, 0, sizeof(env
->dr
));
2690 env
->dr
[6] = DR6_FIXED_1
;
2691 env
->dr
[7] = DR7_FIXED_1
;
2692 cpu_breakpoint_remove_all(s
, BP_CPU
);
2693 cpu_watchpoint_remove_all(s
, BP_CPU
);
2698 * SDM 11.11.5 requires:
2699 * - IA32_MTRR_DEF_TYPE MSR.E = 0
2700 * - IA32_MTRR_PHYSMASKn.V = 0
2701 * All other bits are undefined. For simplification, zero it all.
2703 env
->mtrr_deftype
= 0;
2704 memset(env
->mtrr_var
, 0, sizeof(env
->mtrr_var
));
2705 memset(env
->mtrr_fixed
, 0, sizeof(env
->mtrr_fixed
));
2707 #if !defined(CONFIG_USER_ONLY)
2708 /* We hard-wire the BSP to the first CPU. */
2709 apic_designate_bsp(cpu
->apic_state
, s
->cpu_index
== 0);
2711 s
->halted
= !cpu_is_bsp(cpu
);
2713 if (kvm_enabled()) {
2714 kvm_arch_reset_vcpu(cpu
);
2719 #ifndef CONFIG_USER_ONLY
2720 bool cpu_is_bsp(X86CPU
*cpu
)
2722 return cpu_get_apic_base(cpu
->apic_state
) & MSR_IA32_APICBASE_BSP
;
2725 /* TODO: remove me, when reset over QOM tree is implemented */
2726 static void x86_cpu_machine_reset_cb(void *opaque
)
2728 X86CPU
*cpu
= opaque
;
2729 cpu_reset(CPU(cpu
));
2733 static void mce_init(X86CPU
*cpu
)
2735 CPUX86State
*cenv
= &cpu
->env
;
2738 if (((cenv
->cpuid_version
>> 8) & 0xf) >= 6
2739 && (cenv
->features
[FEAT_1_EDX
] & (CPUID_MCE
| CPUID_MCA
)) ==
2740 (CPUID_MCE
| CPUID_MCA
)) {
2741 cenv
->mcg_cap
= MCE_CAP_DEF
| MCE_BANKS_DEF
;
2742 cenv
->mcg_ctl
= ~(uint64_t)0;
2743 for (bank
= 0; bank
< MCE_BANKS_DEF
; bank
++) {
2744 cenv
->mce_banks
[bank
* 4] = ~(uint64_t)0;
2749 #ifndef CONFIG_USER_ONLY
2750 static void x86_cpu_apic_create(X86CPU
*cpu
, Error
**errp
)
2752 DeviceState
*dev
= DEVICE(cpu
);
2753 APICCommonState
*apic
;
2754 const char *apic_type
= "apic";
2756 if (kvm_irqchip_in_kernel()) {
2757 apic_type
= "kvm-apic";
2758 } else if (xen_enabled()) {
2759 apic_type
= "xen-apic";
2762 cpu
->apic_state
= qdev_try_create(qdev_get_parent_bus(dev
), apic_type
);
2763 if (cpu
->apic_state
== NULL
) {
2764 error_setg(errp
, "APIC device '%s' could not be created", apic_type
);
2768 object_property_add_child(OBJECT(cpu
), "apic",
2769 OBJECT(cpu
->apic_state
), NULL
);
2770 qdev_prop_set_uint8(cpu
->apic_state
, "id", cpu
->apic_id
);
2771 /* TODO: convert to link<> */
2772 apic
= APIC_COMMON(cpu
->apic_state
);
2776 static void x86_cpu_apic_realize(X86CPU
*cpu
, Error
**errp
)
2778 if (cpu
->apic_state
== NULL
) {
2781 object_property_set_bool(OBJECT(cpu
->apic_state
), true, "realized",
2785 static void x86_cpu_machine_done(Notifier
*n
, void *unused
)
2787 X86CPU
*cpu
= container_of(n
, X86CPU
, machine_done
);
2788 MemoryRegion
*smram
=
2789 (MemoryRegion
*) object_resolve_path("/machine/smram", NULL
);
2792 cpu
->smram
= g_new(MemoryRegion
, 1);
2793 memory_region_init_alias(cpu
->smram
, OBJECT(cpu
), "smram",
2794 smram
, 0, 1ull << 32);
2795 memory_region_set_enabled(cpu
->smram
, false);
2796 memory_region_add_subregion_overlap(cpu
->cpu_as_root
, 0, cpu
->smram
, 1);
2800 static void x86_cpu_apic_realize(X86CPU
*cpu
, Error
**errp
)
2806 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
2807 (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
2808 (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
2809 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
2810 (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
2811 (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
2812 static void x86_cpu_realizefn(DeviceState
*dev
, Error
**errp
)
2814 CPUState
*cs
= CPU(dev
);
2815 X86CPU
*cpu
= X86_CPU(dev
);
2816 X86CPUClass
*xcc
= X86_CPU_GET_CLASS(dev
);
2817 CPUX86State
*env
= &cpu
->env
;
2818 Error
*local_err
= NULL
;
2819 static bool ht_warned
;
2821 if (cpu
->apic_id
< 0) {
2822 error_setg(errp
, "apic-id property was not initialized properly");
2826 if (env
->features
[FEAT_7_0_EBX
] && env
->cpuid_level
< 7) {
2827 env
->cpuid_level
= 7;
2830 /* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on
2833 if (IS_AMD_CPU(env
)) {
2834 env
->features
[FEAT_8000_0001_EDX
] &= ~CPUID_EXT2_AMD_ALIASES
;
2835 env
->features
[FEAT_8000_0001_EDX
] |= (env
->features
[FEAT_1_EDX
]
2836 & CPUID_EXT2_AMD_ALIASES
);
2840 if (x86_cpu_filter_features(cpu
) && cpu
->enforce_cpuid
) {
2841 error_setg(&local_err
,
2843 "Host doesn't support requested features" :
2844 "TCG doesn't support requested features");
2848 #ifndef CONFIG_USER_ONLY
2849 qemu_register_reset(x86_cpu_machine_reset_cb
, cpu
);
2851 if (cpu
->env
.features
[FEAT_1_EDX
] & CPUID_APIC
|| smp_cpus
> 1) {
2852 x86_cpu_apic_create(cpu
, &local_err
);
2853 if (local_err
!= NULL
) {
2861 #ifndef CONFIG_USER_ONLY
2862 if (tcg_enabled()) {
2863 cpu
->cpu_as_mem
= g_new(MemoryRegion
, 1);
2864 cpu
->cpu_as_root
= g_new(MemoryRegion
, 1);
2865 cs
->as
= g_new(AddressSpace
, 1);
2867 /* Outer container... */
2868 memory_region_init(cpu
->cpu_as_root
, OBJECT(cpu
), "memory", ~0ull);
2869 memory_region_set_enabled(cpu
->cpu_as_root
, true);
2871 /* ... with two regions inside: normal system memory with low
2874 memory_region_init_alias(cpu
->cpu_as_mem
, OBJECT(cpu
), "memory",
2875 get_system_memory(), 0, ~0ull);
2876 memory_region_add_subregion_overlap(cpu
->cpu_as_root
, 0, cpu
->cpu_as_mem
, 0);
2877 memory_region_set_enabled(cpu
->cpu_as_mem
, true);
2878 address_space_init(cs
->as
, cpu
->cpu_as_root
, "CPU");
2880 /* ... SMRAM with higher priority, linked from /machine/smram. */
2881 cpu
->machine_done
.notify
= x86_cpu_machine_done
;
2882 qemu_add_machine_init_done_notifier(&cpu
->machine_done
);
2888 /* Only Intel CPUs support hyperthreading. Even though QEMU fixes this
2889 * issue by adjusting CPUID_0000_0001_EBX and CPUID_8000_0008_ECX
2890 * based on inputs (sockets,cores,threads), it is still better to gives
2893 * NOTE: the following code has to follow qemu_init_vcpu(). Otherwise
2894 * cs->nr_threads hasn't be populated yet and the checking is incorrect.
2896 if (!IS_INTEL_CPU(env
) && cs
->nr_threads
> 1 && !ht_warned
) {
2897 error_report("AMD CPU doesn't support hyperthreading. Please configure"
2898 " -smp options properly.");
2902 x86_cpu_apic_realize(cpu
, &local_err
);
2903 if (local_err
!= NULL
) {
2908 xcc
->parent_realize(dev
, &local_err
);
2911 if (local_err
!= NULL
) {
2912 error_propagate(errp
, local_err
);
2917 typedef struct BitProperty
{
2922 static void x86_cpu_get_bit_prop(Object
*obj
,
2928 BitProperty
*fp
= opaque
;
2929 bool value
= (*fp
->ptr
& fp
->mask
) == fp
->mask
;
2930 visit_type_bool(v
, &value
, name
, errp
);
2933 static void x86_cpu_set_bit_prop(Object
*obj
,
2939 DeviceState
*dev
= DEVICE(obj
);
2940 BitProperty
*fp
= opaque
;
2941 Error
*local_err
= NULL
;
2944 if (dev
->realized
) {
2945 qdev_prop_set_after_realize(dev
, name
, errp
);
2949 visit_type_bool(v
, &value
, name
, &local_err
);
2951 error_propagate(errp
, local_err
);
2956 *fp
->ptr
|= fp
->mask
;
2958 *fp
->ptr
&= ~fp
->mask
;
2962 static void x86_cpu_release_bit_prop(Object
*obj
, const char *name
,
2965 BitProperty
*prop
= opaque
;
2969 /* Register a boolean property to get/set a single bit in a uint32_t field.
2971 * The same property name can be registered multiple times to make it affect
2972 * multiple bits in the same FeatureWord. In that case, the getter will return
2973 * true only if all bits are set.
2975 static void x86_cpu_register_bit_prop(X86CPU
*cpu
,
2976 const char *prop_name
,
2982 uint32_t mask
= (1UL << bitnr
);
2984 op
= object_property_find(OBJECT(cpu
), prop_name
, NULL
);
2987 assert(fp
->ptr
== field
);
2990 fp
= g_new0(BitProperty
, 1);
2993 object_property_add(OBJECT(cpu
), prop_name
, "bool",
2994 x86_cpu_get_bit_prop
,
2995 x86_cpu_set_bit_prop
,
2996 x86_cpu_release_bit_prop
, fp
, &error_abort
);
3000 static void x86_cpu_register_feature_bit_props(X86CPU
*cpu
,
3004 Object
*obj
= OBJECT(cpu
);
3007 FeatureWordInfo
*fi
= &feature_word_info
[w
];
3009 if (!fi
->feat_names
) {
3012 if (!fi
->feat_names
[bitnr
]) {
3016 names
= g_strsplit(fi
->feat_names
[bitnr
], "|", 0);
3018 feat2prop(names
[0]);
3019 x86_cpu_register_bit_prop(cpu
, names
[0], &cpu
->env
.features
[w
], bitnr
);
3021 for (i
= 1; names
[i
]; i
++) {
3022 feat2prop(names
[i
]);
3023 object_property_add_alias(obj
, names
[i
], obj
, names
[0],
3030 static void x86_cpu_initfn(Object
*obj
)
3032 CPUState
*cs
= CPU(obj
);
3033 X86CPU
*cpu
= X86_CPU(obj
);
3034 X86CPUClass
*xcc
= X86_CPU_GET_CLASS(obj
);
3035 CPUX86State
*env
= &cpu
->env
;
3040 cpu_exec_init(cs
, &error_abort
);
3042 object_property_add(obj
, "family", "int",
3043 x86_cpuid_version_get_family
,
3044 x86_cpuid_version_set_family
, NULL
, NULL
, NULL
);
3045 object_property_add(obj
, "model", "int",
3046 x86_cpuid_version_get_model
,
3047 x86_cpuid_version_set_model
, NULL
, NULL
, NULL
);
3048 object_property_add(obj
, "stepping", "int",
3049 x86_cpuid_version_get_stepping
,
3050 x86_cpuid_version_set_stepping
, NULL
, NULL
, NULL
);
3051 object_property_add_str(obj
, "vendor",
3052 x86_cpuid_get_vendor
,
3053 x86_cpuid_set_vendor
, NULL
);
3054 object_property_add_str(obj
, "model-id",
3055 x86_cpuid_get_model_id
,
3056 x86_cpuid_set_model_id
, NULL
);
3057 object_property_add(obj
, "tsc-frequency", "int",
3058 x86_cpuid_get_tsc_freq
,
3059 x86_cpuid_set_tsc_freq
, NULL
, NULL
, NULL
);
3060 object_property_add(obj
, "apic-id", "int",
3061 x86_cpuid_get_apic_id
,
3062 x86_cpuid_set_apic_id
, NULL
, NULL
, NULL
);
3063 object_property_add(obj
, "feature-words", "X86CPUFeatureWordInfo",
3064 x86_cpu_get_feature_words
,
3065 NULL
, NULL
, (void *)env
->features
, NULL
);
3066 object_property_add(obj
, "filtered-features", "X86CPUFeatureWordInfo",
3067 x86_cpu_get_feature_words
,
3068 NULL
, NULL
, (void *)cpu
->filtered_features
, NULL
);
3070 cpu
->hyperv_spinlock_attempts
= HYPERV_SPINLOCK_NEVER_RETRY
;
3072 #ifndef CONFIG_USER_ONLY
3073 /* Any code creating new X86CPU objects have to set apic-id explicitly */
3077 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
3080 for (bitnr
= 0; bitnr
< 32; bitnr
++) {
3081 x86_cpu_register_feature_bit_props(cpu
, w
, bitnr
);
3085 x86_cpu_load_def(cpu
, xcc
->cpu_def
, &error_abort
);
3087 /* init various static tables used in TCG mode */
3088 if (tcg_enabled() && !inited
) {
3090 optimize_flags_init();
3094 static int64_t x86_cpu_get_arch_id(CPUState
*cs
)
3096 X86CPU
*cpu
= X86_CPU(cs
);
3098 return cpu
->apic_id
;
3101 static bool x86_cpu_get_paging_enabled(const CPUState
*cs
)
3103 X86CPU
*cpu
= X86_CPU(cs
);
3105 return cpu
->env
.cr
[0] & CR0_PG_MASK
;
3108 static void x86_cpu_set_pc(CPUState
*cs
, vaddr value
)
3110 X86CPU
*cpu
= X86_CPU(cs
);
3112 cpu
->env
.eip
= value
;
3115 static void x86_cpu_synchronize_from_tb(CPUState
*cs
, TranslationBlock
*tb
)
3117 X86CPU
*cpu
= X86_CPU(cs
);
3119 cpu
->env
.eip
= tb
->pc
- tb
->cs_base
;
3122 static bool x86_cpu_has_work(CPUState
*cs
)
3124 X86CPU
*cpu
= X86_CPU(cs
);
3125 CPUX86State
*env
= &cpu
->env
;
3127 #if !defined(CONFIG_USER_ONLY)
3128 if (cs
->interrupt_request
& CPU_INTERRUPT_POLL
) {
3129 apic_poll_irq(cpu
->apic_state
);
3130 cpu_reset_interrupt(cs
, CPU_INTERRUPT_POLL
);
3134 return ((cs
->interrupt_request
& CPU_INTERRUPT_HARD
) &&
3135 (env
->eflags
& IF_MASK
)) ||
3136 (cs
->interrupt_request
& (CPU_INTERRUPT_NMI
|
3137 CPU_INTERRUPT_INIT
|
3138 CPU_INTERRUPT_SIPI
|
3139 CPU_INTERRUPT_MCE
)) ||
3140 ((cs
->interrupt_request
& CPU_INTERRUPT_SMI
) &&
3141 !(env
->hflags
& HF_SMM_MASK
));
3144 static Property x86_cpu_properties
[] = {
3145 DEFINE_PROP_BOOL("pmu", X86CPU
, enable_pmu
, false),
3146 { .name
= "hv-spinlocks", .info
= &qdev_prop_spinlocks
},
3147 DEFINE_PROP_BOOL("hv-relaxed", X86CPU
, hyperv_relaxed_timing
, false),
3148 DEFINE_PROP_BOOL("hv-vapic", X86CPU
, hyperv_vapic
, false),
3149 DEFINE_PROP_BOOL("hv-time", X86CPU
, hyperv_time
, false),
3150 DEFINE_PROP_BOOL("check", X86CPU
, check_cpuid
, false),
3151 DEFINE_PROP_BOOL("enforce", X86CPU
, enforce_cpuid
, false),
3152 DEFINE_PROP_BOOL("kvm", X86CPU
, expose_kvm
, true),
3153 DEFINE_PROP_UINT32("level", X86CPU
, env
.cpuid_level
, 0),
3154 DEFINE_PROP_UINT32("xlevel", X86CPU
, env
.cpuid_xlevel
, 0),
3155 DEFINE_PROP_UINT32("xlevel2", X86CPU
, env
.cpuid_xlevel2
, 0),
3156 DEFINE_PROP_END_OF_LIST()
3159 static void x86_cpu_common_class_init(ObjectClass
*oc
, void *data
)
3161 X86CPUClass
*xcc
= X86_CPU_CLASS(oc
);
3162 CPUClass
*cc
= CPU_CLASS(oc
);
3163 DeviceClass
*dc
= DEVICE_CLASS(oc
);
3165 xcc
->parent_realize
= dc
->realize
;
3166 dc
->realize
= x86_cpu_realizefn
;
3167 dc
->bus_type
= TYPE_ICC_BUS
;
3168 dc
->props
= x86_cpu_properties
;
3170 xcc
->parent_reset
= cc
->reset
;
3171 cc
->reset
= x86_cpu_reset
;
3172 cc
->reset_dump_flags
= CPU_DUMP_FPU
| CPU_DUMP_CCOP
;
3174 cc
->class_by_name
= x86_cpu_class_by_name
;
3175 cc
->parse_features
= x86_cpu_parse_featurestr
;
3176 cc
->has_work
= x86_cpu_has_work
;
3177 cc
->do_interrupt
= x86_cpu_do_interrupt
;
3178 cc
->cpu_exec_interrupt
= x86_cpu_exec_interrupt
;
3179 cc
->dump_state
= x86_cpu_dump_state
;
3180 cc
->set_pc
= x86_cpu_set_pc
;
3181 cc
->synchronize_from_tb
= x86_cpu_synchronize_from_tb
;
3182 cc
->gdb_read_register
= x86_cpu_gdb_read_register
;
3183 cc
->gdb_write_register
= x86_cpu_gdb_write_register
;
3184 cc
->get_arch_id
= x86_cpu_get_arch_id
;
3185 cc
->get_paging_enabled
= x86_cpu_get_paging_enabled
;
3186 #ifdef CONFIG_USER_ONLY
3187 cc
->handle_mmu_fault
= x86_cpu_handle_mmu_fault
;
3189 cc
->get_memory_mapping
= x86_cpu_get_memory_mapping
;
3190 cc
->get_phys_page_debug
= x86_cpu_get_phys_page_debug
;
3191 cc
->write_elf64_note
= x86_cpu_write_elf64_note
;
3192 cc
->write_elf64_qemunote
= x86_cpu_write_elf64_qemunote
;
3193 cc
->write_elf32_note
= x86_cpu_write_elf32_note
;
3194 cc
->write_elf32_qemunote
= x86_cpu_write_elf32_qemunote
;
3195 cc
->vmsd
= &vmstate_x86_cpu
;
3197 cc
->gdb_num_core_regs
= CPU_NB_REGS
* 2 + 25;
3198 #ifndef CONFIG_USER_ONLY
3199 cc
->debug_excp_handler
= breakpoint_handler
;
3201 cc
->cpu_exec_enter
= x86_cpu_exec_enter
;
3202 cc
->cpu_exec_exit
= x86_cpu_exec_exit
;
3205 static const TypeInfo x86_cpu_type_info
= {
3206 .name
= TYPE_X86_CPU
,
3208 .instance_size
= sizeof(X86CPU
),
3209 .instance_init
= x86_cpu_initfn
,
3211 .class_size
= sizeof(X86CPUClass
),
3212 .class_init
= x86_cpu_common_class_init
,
3215 static void x86_cpu_register_types(void)
3219 type_register_static(&x86_cpu_type_info
);
3220 for (i
= 0; i
< ARRAY_SIZE(builtin_x86_defs
); i
++) {
3221 x86_register_cpudef_type(&builtin_x86_defs
[i
]);
3224 type_register_static(&host_x86_cpu_type_info
);
3228 type_init(x86_cpu_register_types
)