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 #ifndef CONFIG_USER_ONLY
47 #include "exec/address-spaces.h"
48 #include "hw/xen/xen.h"
49 #include "hw/i386/apic_internal.h"
53 /* Cache topology CPUID constants: */
55 /* CPUID Leaf 2 Descriptors */
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
62 /* CPUID Leaf 4 constants: */
65 #define CPUID_4_TYPE_DCACHE 1
66 #define CPUID_4_TYPE_ICACHE 2
67 #define CPUID_4_TYPE_UNIFIED 3
69 #define CPUID_4_LEVEL(l) ((l) << 5)
71 #define CPUID_4_SELF_INIT_LEVEL (1 << 8)
72 #define CPUID_4_FULLY_ASSOC (1 << 9)
75 #define CPUID_4_NO_INVD_SHARING (1 << 0)
76 #define CPUID_4_INCLUSIVE (1 << 1)
77 #define CPUID_4_COMPLEX_IDX (1 << 2)
79 #define ASSOC_FULL 0xFF
81 /* AMD associativity encoding used on CPUID Leaf 0x80000006: */
82 #define AMD_ENC_ASSOC(a) (a <= 1 ? a : \
92 a == ASSOC_FULL ? 0xF : \
93 0 /* invalid value */)
96 /* Definitions of the hardcoded cache entries we expose: */
99 #define L1D_LINE_SIZE 64
100 #define L1D_ASSOCIATIVITY 8
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
110 /* L1 instruction cache: */
111 #define L1I_LINE_SIZE 64
112 #define L1I_ASSOCIATIVITY 8
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
122 /* Level 2 unified cache: */
123 #define L2_LINE_SIZE 64
124 #define L2_ASSOCIATIVITY 16
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
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 */
140 /* TLB definitions: */
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
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
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
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
164 static void x86_cpu_vendor_words2str(char *dst
, uint32_t vendor1
,
165 uint32_t vendor2
, uint32_t vendor3
)
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
);
173 dst
[CPUID_VENDOR_SZ
] = '\0';
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.
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",
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",
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.
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",
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
,
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
,
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
,
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
,
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
,
266 static const char *cpuid_7_0_ecx_feature_name
[] = {
267 NULL
, NULL
, NULL
, "pku",
268 "ospke", NULL
, NULL
, NULL
,
269 NULL
, 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
,
277 static const char *cpuid_apm_edx_feature_name
[] = {
278 NULL
, NULL
, NULL
, NULL
,
279 NULL
, NULL
, NULL
, NULL
,
280 "invtsc", 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
,
288 static const char *cpuid_xsave_feature_name
[] = {
289 "xsaveopt", "xsavec", "xgetbv1", "xsaves",
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
,
299 static const char *cpuid_6_feature_name
[] = {
300 NULL
, NULL
, "arat", NULL
,
301 NULL
, NULL
, NULL
, NULL
,
302 NULL
, NULL
, NULL
, NULL
,
303 NULL
, NULL
, NULL
, NULL
,
304 NULL
, NULL
, NULL
, NULL
,
305 NULL
, NULL
, NULL
, NULL
,
306 NULL
, NULL
, NULL
, NULL
,
307 NULL
, NULL
, NULL
, NULL
,
310 #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
311 #define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
312 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
313 #define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
314 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
315 CPUID_PSE36 | CPUID_FXSR)
316 #define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
317 #define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
318 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
319 CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
320 CPUID_PAE | CPUID_SEP | CPUID_APIC)
322 #define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
323 CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
324 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
325 CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
326 CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS | CPUID_DE)
327 /* partly implemented:
328 CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64) */
330 CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
331 #define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \
332 CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \
333 CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \
334 CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR)
336 CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_SMX,
337 CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_CID, CPUID_EXT_FMA,
338 CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_PCID, CPUID_EXT_DCA,
339 CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER, CPUID_EXT_XSAVE,
340 CPUID_EXT_OSXSAVE, CPUID_EXT_AVX, CPUID_EXT_F16C,
344 #define TCG_EXT2_X86_64_FEATURES (CPUID_EXT2_SYSCALL | CPUID_EXT2_LM)
346 #define TCG_EXT2_X86_64_FEATURES 0
349 #define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
350 CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
351 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB | \
352 TCG_EXT2_X86_64_FEATURES)
353 #define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
354 CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
355 #define TCG_EXT4_FEATURES 0
356 #define TCG_SVM_FEATURES 0
357 #define TCG_KVM_FEATURES 0
358 #define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP | \
359 CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX | \
360 CPUID_7_0_EBX_PCOMMIT | CPUID_7_0_EBX_CLFLUSHOPT | \
363 CPUID_7_0_EBX_FSGSBASE, CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,
364 CPUID_7_0_EBX_ERMS, CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
365 CPUID_7_0_EBX_RDSEED */
366 #define TCG_7_0_ECX_FEATURES 0
367 #define TCG_APM_FEATURES 0
368 #define TCG_6_EAX_FEATURES CPUID_6_EAX_ARAT
371 typedef struct FeatureWordInfo
{
372 const char **feat_names
;
373 uint32_t cpuid_eax
; /* Input EAX for CPUID */
374 bool cpuid_needs_ecx
; /* CPUID instruction uses ECX as input */
375 uint32_t cpuid_ecx
; /* Input ECX value for CPUID */
376 int cpuid_reg
; /* output register (R_* constant) */
377 uint32_t tcg_features
; /* Feature flags supported by TCG */
378 uint32_t unmigratable_flags
; /* Feature flags known to be unmigratable */
381 static FeatureWordInfo feature_word_info
[FEATURE_WORDS
] = {
383 .feat_names
= feature_name
,
384 .cpuid_eax
= 1, .cpuid_reg
= R_EDX
,
385 .tcg_features
= TCG_FEATURES
,
388 .feat_names
= ext_feature_name
,
389 .cpuid_eax
= 1, .cpuid_reg
= R_ECX
,
390 .tcg_features
= TCG_EXT_FEATURES
,
392 [FEAT_8000_0001_EDX
] = {
393 .feat_names
= ext2_feature_name
,
394 .cpuid_eax
= 0x80000001, .cpuid_reg
= R_EDX
,
395 .tcg_features
= TCG_EXT2_FEATURES
,
397 [FEAT_8000_0001_ECX
] = {
398 .feat_names
= ext3_feature_name
,
399 .cpuid_eax
= 0x80000001, .cpuid_reg
= R_ECX
,
400 .tcg_features
= TCG_EXT3_FEATURES
,
402 [FEAT_C000_0001_EDX
] = {
403 .feat_names
= ext4_feature_name
,
404 .cpuid_eax
= 0xC0000001, .cpuid_reg
= R_EDX
,
405 .tcg_features
= TCG_EXT4_FEATURES
,
408 .feat_names
= kvm_feature_name
,
409 .cpuid_eax
= KVM_CPUID_FEATURES
, .cpuid_reg
= R_EAX
,
410 .tcg_features
= TCG_KVM_FEATURES
,
413 .feat_names
= svm_feature_name
,
414 .cpuid_eax
= 0x8000000A, .cpuid_reg
= R_EDX
,
415 .tcg_features
= TCG_SVM_FEATURES
,
418 .feat_names
= cpuid_7_0_ebx_feature_name
,
420 .cpuid_needs_ecx
= true, .cpuid_ecx
= 0,
422 .tcg_features
= TCG_7_0_EBX_FEATURES
,
425 .feat_names
= cpuid_7_0_ecx_feature_name
,
427 .cpuid_needs_ecx
= true, .cpuid_ecx
= 0,
429 .tcg_features
= TCG_7_0_ECX_FEATURES
,
431 [FEAT_8000_0007_EDX
] = {
432 .feat_names
= cpuid_apm_edx_feature_name
,
433 .cpuid_eax
= 0x80000007,
435 .tcg_features
= TCG_APM_FEATURES
,
436 .unmigratable_flags
= CPUID_APM_INVTSC
,
439 .feat_names
= cpuid_xsave_feature_name
,
441 .cpuid_needs_ecx
= true, .cpuid_ecx
= 1,
446 .feat_names
= cpuid_6_feature_name
,
447 .cpuid_eax
= 6, .cpuid_reg
= R_EAX
,
448 .tcg_features
= TCG_6_EAX_FEATURES
,
452 typedef struct X86RegisterInfo32
{
453 /* Name of register */
455 /* QAPI enum value register */
456 X86CPURegister32 qapi_enum
;
459 #define REGISTER(reg) \
460 [R_##reg] = { .name = #reg, .qapi_enum = X86_CPU_REGISTER32_##reg }
461 static const X86RegisterInfo32 x86_reg_info_32
[CPU_NB_REGS32
] = {
473 typedef struct ExtSaveArea
{
474 uint32_t feature
, bits
;
475 uint32_t offset
, size
;
478 static const ExtSaveArea ext_save_areas
[] = {
479 [2] = { .feature
= FEAT_1_ECX
, .bits
= CPUID_EXT_AVX
,
480 .offset
= 0x240, .size
= 0x100 },
481 [3] = { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_MPX
,
482 .offset
= 0x3c0, .size
= 0x40 },
483 [4] = { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_MPX
,
484 .offset
= 0x400, .size
= 0x40 },
485 [5] = { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_AVX512F
,
486 .offset
= 0x440, .size
= 0x40 },
487 [6] = { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_AVX512F
,
488 .offset
= 0x480, .size
= 0x200 },
489 [7] = { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_AVX512F
,
490 .offset
= 0x680, .size
= 0x400 },
491 [9] = { .feature
= FEAT_7_0_ECX
, .bits
= CPUID_7_0_ECX_PKU
,
492 .offset
= 0xA80, .size
= 0x8 },
495 const char *get_register_name_32(unsigned int reg
)
497 if (reg
>= CPU_NB_REGS32
) {
500 return x86_reg_info_32
[reg
].name
;
504 * Returns the set of feature flags that are supported and migratable by
505 * QEMU, for a given FeatureWord.
507 static uint32_t x86_cpu_get_migratable_flags(FeatureWord w
)
509 FeatureWordInfo
*wi
= &feature_word_info
[w
];
513 for (i
= 0; i
< 32; i
++) {
514 uint32_t f
= 1U << i
;
515 /* If the feature name is unknown, it is not supported by QEMU yet */
516 if (!wi
->feat_names
[i
]) {
519 /* Skip features known to QEMU, but explicitly marked as unmigratable */
520 if (wi
->unmigratable_flags
& f
) {
528 void host_cpuid(uint32_t function
, uint32_t count
,
529 uint32_t *eax
, uint32_t *ebx
, uint32_t *ecx
, uint32_t *edx
)
535 : "=a"(vec
[0]), "=b"(vec
[1]),
536 "=c"(vec
[2]), "=d"(vec
[3])
537 : "0"(function
), "c"(count
) : "cc");
538 #elif defined(__i386__)
539 asm volatile("pusha \n\t"
541 "mov %%eax, 0(%2) \n\t"
542 "mov %%ebx, 4(%2) \n\t"
543 "mov %%ecx, 8(%2) \n\t"
544 "mov %%edx, 12(%2) \n\t"
546 : : "a"(function
), "c"(count
), "S"(vec
)
562 #define iswhite(c) ((c) && ((c) <= ' ' || '~' < (c)))
564 /* general substring compare of *[s1..e1) and *[s2..e2). sx is start of
565 * a substring. ex if !NULL points to the first char after a substring,
566 * otherwise the string is assumed to sized by a terminating nul.
567 * Return lexical ordering of *s1:*s2.
569 static int sstrcmp(const char *s1
, const char *e1
,
570 const char *s2
, const char *e2
)
573 if (!*s1
|| !*s2
|| *s1
!= *s2
)
576 if (s1
== e1
&& s2
== e2
)
585 /* compare *[s..e) to *altstr. *altstr may be a simple string or multiple
586 * '|' delimited (possibly empty) strings in which case search for a match
587 * within the alternatives proceeds left to right. Return 0 for success,
588 * non-zero otherwise.
590 static int altcmp(const char *s
, const char *e
, const char *altstr
)
594 for (q
= p
= altstr
; ; ) {
595 while (*p
&& *p
!= '|')
597 if ((q
== p
&& !*s
) || (q
!= p
&& !sstrcmp(s
, e
, q
, p
)))
606 /* search featureset for flag *[s..e), if found set corresponding bit in
607 * *pval and return true, otherwise return false
609 static bool lookup_feature(uint32_t *pval
, const char *s
, const char *e
,
610 const char **featureset
)
616 for (mask
= 1, ppc
= featureset
; mask
; mask
<<= 1, ++ppc
) {
617 if (*ppc
&& !altcmp(s
, e
, *ppc
)) {
625 static void add_flagname_to_bitmaps(const char *flagname
,
626 FeatureWordArray words
,
630 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
631 FeatureWordInfo
*wi
= &feature_word_info
[w
];
632 if (wi
->feat_names
&&
633 lookup_feature(&words
[w
], flagname
, NULL
, wi
->feat_names
)) {
637 if (w
== FEATURE_WORDS
) {
638 error_setg(errp
, "CPU feature %s not found", flagname
);
642 /* CPU class name definitions: */
644 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
645 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
647 /* Return type name for a given CPU model name
648 * Caller is responsible for freeing the returned string.
650 static char *x86_cpu_type_name(const char *model_name
)
652 return g_strdup_printf(X86_CPU_TYPE_NAME("%s"), model_name
);
655 static ObjectClass
*x86_cpu_class_by_name(const char *cpu_model
)
660 if (cpu_model
== NULL
) {
664 typename
= x86_cpu_type_name(cpu_model
);
665 oc
= object_class_by_name(typename
);
670 struct X86CPUDefinition
{
675 /* vendor is zero-terminated, 12 character ASCII string */
676 char vendor
[CPUID_VENDOR_SZ
+ 1];
680 FeatureWordArray features
;
684 static X86CPUDefinition builtin_x86_defs
[] = {
688 .vendor
= CPUID_VENDOR_AMD
,
692 .features
[FEAT_1_EDX
] =
694 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
|
696 .features
[FEAT_1_ECX
] =
697 CPUID_EXT_SSE3
| CPUID_EXT_CX16
,
698 .features
[FEAT_8000_0001_EDX
] =
699 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
700 .features
[FEAT_8000_0001_ECX
] =
701 CPUID_EXT3_LAHF_LM
| CPUID_EXT3_SVM
,
702 .xlevel
= 0x8000000A,
707 .vendor
= CPUID_VENDOR_AMD
,
711 /* Missing: CPUID_HT */
712 .features
[FEAT_1_EDX
] =
714 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
|
715 CPUID_PSE36
| CPUID_VME
,
716 .features
[FEAT_1_ECX
] =
717 CPUID_EXT_SSE3
| CPUID_EXT_MONITOR
| CPUID_EXT_CX16
|
719 .features
[FEAT_8000_0001_EDX
] =
720 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
|
721 CPUID_EXT2_3DNOW
| CPUID_EXT2_3DNOWEXT
| CPUID_EXT2_MMXEXT
|
722 CPUID_EXT2_FFXSR
| CPUID_EXT2_PDPE1GB
| CPUID_EXT2_RDTSCP
,
723 /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
725 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
726 CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
727 .features
[FEAT_8000_0001_ECX
] =
728 CPUID_EXT3_LAHF_LM
| CPUID_EXT3_SVM
|
729 CPUID_EXT3_ABM
| CPUID_EXT3_SSE4A
,
730 /* Missing: CPUID_SVM_LBRV */
731 .features
[FEAT_SVM
] =
733 .xlevel
= 0x8000001A,
734 .model_id
= "AMD Phenom(tm) 9550 Quad-Core Processor"
739 .vendor
= CPUID_VENDOR_INTEL
,
743 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
744 .features
[FEAT_1_EDX
] =
746 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
|
747 CPUID_PSE36
| CPUID_VME
| CPUID_ACPI
| CPUID_SS
,
748 /* Missing: CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_EST,
749 * CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_VMX */
750 .features
[FEAT_1_ECX
] =
751 CPUID_EXT_SSE3
| CPUID_EXT_MONITOR
| CPUID_EXT_SSSE3
|
753 .features
[FEAT_8000_0001_EDX
] =
754 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
755 .features
[FEAT_8000_0001_ECX
] =
757 .xlevel
= 0x80000008,
758 .model_id
= "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz",
763 .vendor
= CPUID_VENDOR_INTEL
,
767 /* Missing: CPUID_HT */
768 .features
[FEAT_1_EDX
] =
769 PPRO_FEATURES
| CPUID_VME
|
770 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
|
772 /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
773 .features
[FEAT_1_ECX
] =
774 CPUID_EXT_SSE3
| CPUID_EXT_CX16
,
775 /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
776 .features
[FEAT_8000_0001_EDX
] =
777 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
778 /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
779 CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
780 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
781 CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
782 .features
[FEAT_8000_0001_ECX
] =
784 .xlevel
= 0x80000008,
785 .model_id
= "Common KVM processor"
790 .vendor
= CPUID_VENDOR_INTEL
,
794 .features
[FEAT_1_EDX
] =
796 .features
[FEAT_1_ECX
] =
798 .xlevel
= 0x80000004,
803 .vendor
= CPUID_VENDOR_INTEL
,
807 .features
[FEAT_1_EDX
] =
808 PPRO_FEATURES
| CPUID_VME
|
809 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
| CPUID_PSE36
,
810 .features
[FEAT_1_ECX
] =
812 .features
[FEAT_8000_0001_ECX
] =
814 .xlevel
= 0x80000008,
815 .model_id
= "Common 32-bit KVM processor"
820 .vendor
= CPUID_VENDOR_INTEL
,
824 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
825 .features
[FEAT_1_EDX
] =
826 PPRO_FEATURES
| CPUID_VME
|
827 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
| CPUID_ACPI
|
829 /* Missing: CPUID_EXT_EST, CPUID_EXT_TM2 , CPUID_EXT_XTPR,
830 * CPUID_EXT_PDCM, CPUID_EXT_VMX */
831 .features
[FEAT_1_ECX
] =
832 CPUID_EXT_SSE3
| CPUID_EXT_MONITOR
,
833 .features
[FEAT_8000_0001_EDX
] =
835 .xlevel
= 0x80000008,
836 .model_id
= "Genuine Intel(R) CPU T2600 @ 2.16GHz",
841 .vendor
= CPUID_VENDOR_INTEL
,
845 .features
[FEAT_1_EDX
] =
852 .vendor
= CPUID_VENDOR_INTEL
,
856 .features
[FEAT_1_EDX
] =
863 .vendor
= CPUID_VENDOR_INTEL
,
867 .features
[FEAT_1_EDX
] =
874 .vendor
= CPUID_VENDOR_INTEL
,
878 .features
[FEAT_1_EDX
] =
885 .vendor
= CPUID_VENDOR_AMD
,
889 .features
[FEAT_1_EDX
] =
890 PPRO_FEATURES
| CPUID_PSE36
| CPUID_VME
| CPUID_MTRR
|
892 .features
[FEAT_8000_0001_EDX
] =
893 CPUID_EXT2_MMXEXT
| CPUID_EXT2_3DNOW
| CPUID_EXT2_3DNOWEXT
,
894 .xlevel
= 0x80000008,
899 .vendor
= CPUID_VENDOR_INTEL
,
903 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
904 .features
[FEAT_1_EDX
] =
906 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
| CPUID_VME
|
907 CPUID_ACPI
| CPUID_SS
,
908 /* Some CPUs got no CPUID_SEP */
909 /* Missing: CPUID_EXT_DSCPL, CPUID_EXT_EST, CPUID_EXT_TM2,
911 .features
[FEAT_1_ECX
] =
912 CPUID_EXT_SSE3
| CPUID_EXT_MONITOR
| CPUID_EXT_SSSE3
|
914 .features
[FEAT_8000_0001_EDX
] =
916 .features
[FEAT_8000_0001_ECX
] =
918 .xlevel
= 0x80000008,
919 .model_id
= "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
924 .vendor
= CPUID_VENDOR_INTEL
,
928 .features
[FEAT_1_EDX
] =
929 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
930 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
931 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
932 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
933 CPUID_DE
| CPUID_FP87
,
934 .features
[FEAT_1_ECX
] =
935 CPUID_EXT_SSSE3
| CPUID_EXT_SSE3
,
936 .features
[FEAT_8000_0001_EDX
] =
937 CPUID_EXT2_LM
| CPUID_EXT2_NX
| CPUID_EXT2_SYSCALL
,
938 .features
[FEAT_8000_0001_ECX
] =
940 .xlevel
= 0x80000008,
941 .model_id
= "Intel Celeron_4x0 (Conroe/Merom Class Core 2)",
946 .vendor
= CPUID_VENDOR_INTEL
,
950 .features
[FEAT_1_EDX
] =
951 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
952 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
953 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
954 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
955 CPUID_DE
| CPUID_FP87
,
956 .features
[FEAT_1_ECX
] =
957 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
959 .features
[FEAT_8000_0001_EDX
] =
960 CPUID_EXT2_LM
| CPUID_EXT2_NX
| CPUID_EXT2_SYSCALL
,
961 .features
[FEAT_8000_0001_ECX
] =
963 .xlevel
= 0x80000008,
964 .model_id
= "Intel Core 2 Duo P9xxx (Penryn Class Core 2)",
969 .vendor
= CPUID_VENDOR_INTEL
,
973 .features
[FEAT_1_EDX
] =
974 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
975 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
976 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
977 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
978 CPUID_DE
| CPUID_FP87
,
979 .features
[FEAT_1_ECX
] =
980 CPUID_EXT_POPCNT
| CPUID_EXT_SSE42
| CPUID_EXT_SSE41
|
981 CPUID_EXT_CX16
| CPUID_EXT_SSSE3
| CPUID_EXT_SSE3
,
982 .features
[FEAT_8000_0001_EDX
] =
983 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
984 .features
[FEAT_8000_0001_ECX
] =
986 .xlevel
= 0x80000008,
987 .model_id
= "Intel Core i7 9xx (Nehalem Class Core i7)",
992 .vendor
= CPUID_VENDOR_INTEL
,
996 .features
[FEAT_1_EDX
] =
997 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
998 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
999 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1000 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1001 CPUID_DE
| CPUID_FP87
,
1002 .features
[FEAT_1_ECX
] =
1003 CPUID_EXT_AES
| CPUID_EXT_POPCNT
| CPUID_EXT_SSE42
|
1004 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1005 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
,
1006 .features
[FEAT_8000_0001_EDX
] =
1007 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
1008 .features
[FEAT_8000_0001_ECX
] =
1010 .features
[FEAT_6_EAX
] =
1012 .xlevel
= 0x80000008,
1013 .model_id
= "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
1016 .name
= "SandyBridge",
1018 .vendor
= CPUID_VENDOR_INTEL
,
1022 .features
[FEAT_1_EDX
] =
1023 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1024 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1025 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1026 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1027 CPUID_DE
| CPUID_FP87
,
1028 .features
[FEAT_1_ECX
] =
1029 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1030 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_POPCNT
|
1031 CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
| CPUID_EXT_SSE41
|
1032 CPUID_EXT_CX16
| CPUID_EXT_SSSE3
| CPUID_EXT_PCLMULQDQ
|
1034 .features
[FEAT_8000_0001_EDX
] =
1035 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1037 .features
[FEAT_8000_0001_ECX
] =
1039 .features
[FEAT_XSAVE
] =
1040 CPUID_XSAVE_XSAVEOPT
,
1041 .features
[FEAT_6_EAX
] =
1043 .xlevel
= 0x80000008,
1044 .model_id
= "Intel Xeon E312xx (Sandy Bridge)",
1047 .name
= "IvyBridge",
1049 .vendor
= CPUID_VENDOR_INTEL
,
1053 .features
[FEAT_1_EDX
] =
1054 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1055 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1056 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1057 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1058 CPUID_DE
| CPUID_FP87
,
1059 .features
[FEAT_1_ECX
] =
1060 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1061 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_POPCNT
|
1062 CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
| CPUID_EXT_SSE41
|
1063 CPUID_EXT_CX16
| CPUID_EXT_SSSE3
| CPUID_EXT_PCLMULQDQ
|
1064 CPUID_EXT_SSE3
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1065 .features
[FEAT_7_0_EBX
] =
1066 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_SMEP
|
1068 .features
[FEAT_8000_0001_EDX
] =
1069 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1071 .features
[FEAT_8000_0001_ECX
] =
1073 .features
[FEAT_XSAVE
] =
1074 CPUID_XSAVE_XSAVEOPT
,
1075 .features
[FEAT_6_EAX
] =
1077 .xlevel
= 0x80000008,
1078 .model_id
= "Intel Xeon E3-12xx v2 (Ivy Bridge)",
1081 .name
= "Haswell-noTSX",
1083 .vendor
= CPUID_VENDOR_INTEL
,
1087 .features
[FEAT_1_EDX
] =
1088 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1089 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1090 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1091 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1092 CPUID_DE
| CPUID_FP87
,
1093 .features
[FEAT_1_ECX
] =
1094 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1095 CPUID_EXT_POPCNT
| CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
|
1096 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1097 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
|
1098 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_FMA
| CPUID_EXT_MOVBE
|
1099 CPUID_EXT_PCID
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1100 .features
[FEAT_8000_0001_EDX
] =
1101 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1103 .features
[FEAT_8000_0001_ECX
] =
1104 CPUID_EXT3_ABM
| CPUID_EXT3_LAHF_LM
,
1105 .features
[FEAT_7_0_EBX
] =
1106 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_BMI1
|
1107 CPUID_7_0_EBX_AVX2
| CPUID_7_0_EBX_SMEP
|
1108 CPUID_7_0_EBX_BMI2
| CPUID_7_0_EBX_ERMS
| CPUID_7_0_EBX_INVPCID
,
1109 .features
[FEAT_XSAVE
] =
1110 CPUID_XSAVE_XSAVEOPT
,
1111 .features
[FEAT_6_EAX
] =
1113 .xlevel
= 0x80000008,
1114 .model_id
= "Intel Core Processor (Haswell, no TSX)",
1118 .vendor
= CPUID_VENDOR_INTEL
,
1122 .features
[FEAT_1_EDX
] =
1123 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1124 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1125 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1126 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1127 CPUID_DE
| CPUID_FP87
,
1128 .features
[FEAT_1_ECX
] =
1129 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1130 CPUID_EXT_POPCNT
| CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
|
1131 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1132 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
|
1133 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_FMA
| CPUID_EXT_MOVBE
|
1134 CPUID_EXT_PCID
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1135 .features
[FEAT_8000_0001_EDX
] =
1136 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1138 .features
[FEAT_8000_0001_ECX
] =
1139 CPUID_EXT3_ABM
| CPUID_EXT3_LAHF_LM
,
1140 .features
[FEAT_7_0_EBX
] =
1141 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_BMI1
|
1142 CPUID_7_0_EBX_HLE
| CPUID_7_0_EBX_AVX2
| CPUID_7_0_EBX_SMEP
|
1143 CPUID_7_0_EBX_BMI2
| CPUID_7_0_EBX_ERMS
| CPUID_7_0_EBX_INVPCID
|
1145 .features
[FEAT_XSAVE
] =
1146 CPUID_XSAVE_XSAVEOPT
,
1147 .features
[FEAT_6_EAX
] =
1149 .xlevel
= 0x80000008,
1150 .model_id
= "Intel Core Processor (Haswell)",
1153 .name
= "Broadwell-noTSX",
1155 .vendor
= CPUID_VENDOR_INTEL
,
1159 .features
[FEAT_1_EDX
] =
1160 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1161 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1162 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1163 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1164 CPUID_DE
| CPUID_FP87
,
1165 .features
[FEAT_1_ECX
] =
1166 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1167 CPUID_EXT_POPCNT
| CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
|
1168 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1169 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
|
1170 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_FMA
| CPUID_EXT_MOVBE
|
1171 CPUID_EXT_PCID
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1172 .features
[FEAT_8000_0001_EDX
] =
1173 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1175 .features
[FEAT_8000_0001_ECX
] =
1176 CPUID_EXT3_ABM
| CPUID_EXT3_LAHF_LM
| CPUID_EXT3_3DNOWPREFETCH
,
1177 .features
[FEAT_7_0_EBX
] =
1178 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_BMI1
|
1179 CPUID_7_0_EBX_AVX2
| CPUID_7_0_EBX_SMEP
|
1180 CPUID_7_0_EBX_BMI2
| CPUID_7_0_EBX_ERMS
| CPUID_7_0_EBX_INVPCID
|
1181 CPUID_7_0_EBX_RDSEED
| CPUID_7_0_EBX_ADX
|
1183 .features
[FEAT_XSAVE
] =
1184 CPUID_XSAVE_XSAVEOPT
,
1185 .features
[FEAT_6_EAX
] =
1187 .xlevel
= 0x80000008,
1188 .model_id
= "Intel Core Processor (Broadwell, no TSX)",
1191 .name
= "Broadwell",
1193 .vendor
= CPUID_VENDOR_INTEL
,
1197 .features
[FEAT_1_EDX
] =
1198 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1199 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1200 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1201 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1202 CPUID_DE
| CPUID_FP87
,
1203 .features
[FEAT_1_ECX
] =
1204 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1205 CPUID_EXT_POPCNT
| CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
|
1206 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1207 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
|
1208 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_FMA
| CPUID_EXT_MOVBE
|
1209 CPUID_EXT_PCID
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1210 .features
[FEAT_8000_0001_EDX
] =
1211 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1213 .features
[FEAT_8000_0001_ECX
] =
1214 CPUID_EXT3_ABM
| CPUID_EXT3_LAHF_LM
| CPUID_EXT3_3DNOWPREFETCH
,
1215 .features
[FEAT_7_0_EBX
] =
1216 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_BMI1
|
1217 CPUID_7_0_EBX_HLE
| CPUID_7_0_EBX_AVX2
| CPUID_7_0_EBX_SMEP
|
1218 CPUID_7_0_EBX_BMI2
| CPUID_7_0_EBX_ERMS
| CPUID_7_0_EBX_INVPCID
|
1219 CPUID_7_0_EBX_RTM
| CPUID_7_0_EBX_RDSEED
| CPUID_7_0_EBX_ADX
|
1221 .features
[FEAT_XSAVE
] =
1222 CPUID_XSAVE_XSAVEOPT
,
1223 .features
[FEAT_6_EAX
] =
1225 .xlevel
= 0x80000008,
1226 .model_id
= "Intel Core Processor (Broadwell)",
1229 .name
= "Opteron_G1",
1231 .vendor
= CPUID_VENDOR_AMD
,
1235 .features
[FEAT_1_EDX
] =
1236 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1237 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1238 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1239 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1240 CPUID_DE
| CPUID_FP87
,
1241 .features
[FEAT_1_ECX
] =
1243 .features
[FEAT_8000_0001_EDX
] =
1244 CPUID_EXT2_LM
| CPUID_EXT2_FXSR
| CPUID_EXT2_MMX
|
1245 CPUID_EXT2_NX
| CPUID_EXT2_PSE36
| CPUID_EXT2_PAT
|
1246 CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
| CPUID_EXT2_PGE
|
1247 CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_APIC
|
1248 CPUID_EXT2_CX8
| CPUID_EXT2_MCE
| CPUID_EXT2_PAE
| CPUID_EXT2_MSR
|
1249 CPUID_EXT2_TSC
| CPUID_EXT2_PSE
| CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1250 .xlevel
= 0x80000008,
1251 .model_id
= "AMD Opteron 240 (Gen 1 Class Opteron)",
1254 .name
= "Opteron_G2",
1256 .vendor
= CPUID_VENDOR_AMD
,
1260 .features
[FEAT_1_EDX
] =
1261 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1262 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1263 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1264 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1265 CPUID_DE
| CPUID_FP87
,
1266 .features
[FEAT_1_ECX
] =
1267 CPUID_EXT_CX16
| CPUID_EXT_SSE3
,
1268 /* Missing: CPUID_EXT2_RDTSCP */
1269 .features
[FEAT_8000_0001_EDX
] =
1270 CPUID_EXT2_LM
| CPUID_EXT2_FXSR
|
1271 CPUID_EXT2_MMX
| CPUID_EXT2_NX
| CPUID_EXT2_PSE36
|
1272 CPUID_EXT2_PAT
| CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
|
1273 CPUID_EXT2_PGE
| CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
|
1274 CPUID_EXT2_APIC
| CPUID_EXT2_CX8
| CPUID_EXT2_MCE
|
1275 CPUID_EXT2_PAE
| CPUID_EXT2_MSR
| CPUID_EXT2_TSC
| CPUID_EXT2_PSE
|
1276 CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1277 .features
[FEAT_8000_0001_ECX
] =
1278 CPUID_EXT3_SVM
| CPUID_EXT3_LAHF_LM
,
1279 .xlevel
= 0x80000008,
1280 .model_id
= "AMD Opteron 22xx (Gen 2 Class Opteron)",
1283 .name
= "Opteron_G3",
1285 .vendor
= CPUID_VENDOR_AMD
,
1289 .features
[FEAT_1_EDX
] =
1290 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1291 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1292 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1293 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1294 CPUID_DE
| CPUID_FP87
,
1295 .features
[FEAT_1_ECX
] =
1296 CPUID_EXT_POPCNT
| CPUID_EXT_CX16
| CPUID_EXT_MONITOR
|
1298 /* Missing: CPUID_EXT2_RDTSCP */
1299 .features
[FEAT_8000_0001_EDX
] =
1300 CPUID_EXT2_LM
| CPUID_EXT2_FXSR
|
1301 CPUID_EXT2_MMX
| CPUID_EXT2_NX
| CPUID_EXT2_PSE36
|
1302 CPUID_EXT2_PAT
| CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
|
1303 CPUID_EXT2_PGE
| CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
|
1304 CPUID_EXT2_APIC
| CPUID_EXT2_CX8
| CPUID_EXT2_MCE
|
1305 CPUID_EXT2_PAE
| CPUID_EXT2_MSR
| CPUID_EXT2_TSC
| CPUID_EXT2_PSE
|
1306 CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1307 .features
[FEAT_8000_0001_ECX
] =
1308 CPUID_EXT3_MISALIGNSSE
| CPUID_EXT3_SSE4A
|
1309 CPUID_EXT3_ABM
| CPUID_EXT3_SVM
| CPUID_EXT3_LAHF_LM
,
1310 .xlevel
= 0x80000008,
1311 .model_id
= "AMD Opteron 23xx (Gen 3 Class Opteron)",
1314 .name
= "Opteron_G4",
1316 .vendor
= CPUID_VENDOR_AMD
,
1320 .features
[FEAT_1_EDX
] =
1321 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1322 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1323 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1324 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1325 CPUID_DE
| CPUID_FP87
,
1326 .features
[FEAT_1_ECX
] =
1327 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1328 CPUID_EXT_POPCNT
| CPUID_EXT_SSE42
| CPUID_EXT_SSE41
|
1329 CPUID_EXT_CX16
| CPUID_EXT_SSSE3
| CPUID_EXT_PCLMULQDQ
|
1331 /* Missing: CPUID_EXT2_RDTSCP */
1332 .features
[FEAT_8000_0001_EDX
] =
1334 CPUID_EXT2_PDPE1GB
| CPUID_EXT2_FXSR
| CPUID_EXT2_MMX
|
1335 CPUID_EXT2_NX
| CPUID_EXT2_PSE36
| CPUID_EXT2_PAT
|
1336 CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
| CPUID_EXT2_PGE
|
1337 CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_APIC
|
1338 CPUID_EXT2_CX8
| CPUID_EXT2_MCE
| CPUID_EXT2_PAE
| CPUID_EXT2_MSR
|
1339 CPUID_EXT2_TSC
| CPUID_EXT2_PSE
| CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1340 .features
[FEAT_8000_0001_ECX
] =
1341 CPUID_EXT3_FMA4
| CPUID_EXT3_XOP
|
1342 CPUID_EXT3_3DNOWPREFETCH
| CPUID_EXT3_MISALIGNSSE
|
1343 CPUID_EXT3_SSE4A
| CPUID_EXT3_ABM
| CPUID_EXT3_SVM
|
1346 .xlevel
= 0x8000001A,
1347 .model_id
= "AMD Opteron 62xx class CPU",
1350 .name
= "Opteron_G5",
1352 .vendor
= CPUID_VENDOR_AMD
,
1356 .features
[FEAT_1_EDX
] =
1357 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1358 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1359 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1360 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1361 CPUID_DE
| CPUID_FP87
,
1362 .features
[FEAT_1_ECX
] =
1363 CPUID_EXT_F16C
| CPUID_EXT_AVX
| CPUID_EXT_XSAVE
|
1364 CPUID_EXT_AES
| CPUID_EXT_POPCNT
| CPUID_EXT_SSE42
|
1365 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_FMA
|
1366 CPUID_EXT_SSSE3
| CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
,
1367 /* Missing: CPUID_EXT2_RDTSCP */
1368 .features
[FEAT_8000_0001_EDX
] =
1370 CPUID_EXT2_PDPE1GB
| CPUID_EXT2_FXSR
| CPUID_EXT2_MMX
|
1371 CPUID_EXT2_NX
| CPUID_EXT2_PSE36
| CPUID_EXT2_PAT
|
1372 CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
| CPUID_EXT2_PGE
|
1373 CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_APIC
|
1374 CPUID_EXT2_CX8
| CPUID_EXT2_MCE
| CPUID_EXT2_PAE
| CPUID_EXT2_MSR
|
1375 CPUID_EXT2_TSC
| CPUID_EXT2_PSE
| CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1376 .features
[FEAT_8000_0001_ECX
] =
1377 CPUID_EXT3_TBM
| CPUID_EXT3_FMA4
| CPUID_EXT3_XOP
|
1378 CPUID_EXT3_3DNOWPREFETCH
| CPUID_EXT3_MISALIGNSSE
|
1379 CPUID_EXT3_SSE4A
| CPUID_EXT3_ABM
| CPUID_EXT3_SVM
|
1382 .xlevel
= 0x8000001A,
1383 .model_id
= "AMD Opteron 63xx class CPU",
1387 typedef struct PropValue
{
1388 const char *prop
, *value
;
1391 /* KVM-specific features that are automatically added/removed
1392 * from all CPU models when KVM is enabled.
1394 static PropValue kvm_default_props
[] = {
1395 { "kvmclock", "on" },
1396 { "kvm-nopiodelay", "on" },
1397 { "kvm-asyncpf", "on" },
1398 { "kvm-steal-time", "on" },
1399 { "kvm-pv-eoi", "on" },
1400 { "kvmclock-stable-bit", "on" },
1403 { "monitor", "off" },
1408 void x86_cpu_change_kvm_default(const char *prop
, const char *value
)
1411 for (pv
= kvm_default_props
; pv
->prop
; pv
++) {
1412 if (!strcmp(pv
->prop
, prop
)) {
1418 /* It is valid to call this function only for properties that
1419 * are already present in the kvm_default_props table.
1424 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w
,
1425 bool migratable_only
);
1429 static int cpu_x86_fill_model_id(char *str
)
1431 uint32_t eax
= 0, ebx
= 0, ecx
= 0, edx
= 0;
1434 for (i
= 0; i
< 3; i
++) {
1435 host_cpuid(0x80000002 + i
, 0, &eax
, &ebx
, &ecx
, &edx
);
1436 memcpy(str
+ i
* 16 + 0, &eax
, 4);
1437 memcpy(str
+ i
* 16 + 4, &ebx
, 4);
1438 memcpy(str
+ i
* 16 + 8, &ecx
, 4);
1439 memcpy(str
+ i
* 16 + 12, &edx
, 4);
1444 static X86CPUDefinition host_cpudef
;
1446 static Property host_x86_cpu_properties
[] = {
1447 DEFINE_PROP_BOOL("migratable", X86CPU
, migratable
, true),
1448 DEFINE_PROP_BOOL("host-cache-info", X86CPU
, cache_info_passthrough
, false),
1449 DEFINE_PROP_END_OF_LIST()
1452 /* class_init for the "host" CPU model
1454 * This function may be called before KVM is initialized.
1456 static void host_x86_cpu_class_init(ObjectClass
*oc
, void *data
)
1458 DeviceClass
*dc
= DEVICE_CLASS(oc
);
1459 X86CPUClass
*xcc
= X86_CPU_CLASS(oc
);
1460 uint32_t eax
= 0, ebx
= 0, ecx
= 0, edx
= 0;
1462 xcc
->kvm_required
= true;
1464 host_cpuid(0x0, 0, &eax
, &ebx
, &ecx
, &edx
);
1465 x86_cpu_vendor_words2str(host_cpudef
.vendor
, ebx
, edx
, ecx
);
1467 host_cpuid(0x1, 0, &eax
, &ebx
, &ecx
, &edx
);
1468 host_cpudef
.family
= ((eax
>> 8) & 0x0F) + ((eax
>> 20) & 0xFF);
1469 host_cpudef
.model
= ((eax
>> 4) & 0x0F) | ((eax
& 0xF0000) >> 12);
1470 host_cpudef
.stepping
= eax
& 0x0F;
1472 cpu_x86_fill_model_id(host_cpudef
.model_id
);
1474 xcc
->cpu_def
= &host_cpudef
;
1476 /* level, xlevel, xlevel2, and the feature words are initialized on
1477 * instance_init, because they require KVM to be initialized.
1480 dc
->props
= host_x86_cpu_properties
;
1481 /* Reason: host_x86_cpu_initfn() dies when !kvm_enabled() */
1482 dc
->cannot_destroy_with_object_finalize_yet
= true;
1485 static void host_x86_cpu_initfn(Object
*obj
)
1487 X86CPU
*cpu
= X86_CPU(obj
);
1488 CPUX86State
*env
= &cpu
->env
;
1489 KVMState
*s
= kvm_state
;
1491 assert(kvm_enabled());
1493 /* We can't fill the features array here because we don't know yet if
1494 * "migratable" is true or false.
1496 cpu
->host_features
= true;
1498 env
->cpuid_level
= kvm_arch_get_supported_cpuid(s
, 0x0, 0, R_EAX
);
1499 env
->cpuid_xlevel
= kvm_arch_get_supported_cpuid(s
, 0x80000000, 0, R_EAX
);
1500 env
->cpuid_xlevel2
= kvm_arch_get_supported_cpuid(s
, 0xC0000000, 0, R_EAX
);
1502 object_property_set_bool(OBJECT(cpu
), true, "pmu", &error_abort
);
1505 static const TypeInfo host_x86_cpu_type_info
= {
1506 .name
= X86_CPU_TYPE_NAME("host"),
1507 .parent
= TYPE_X86_CPU
,
1508 .instance_init
= host_x86_cpu_initfn
,
1509 .class_init
= host_x86_cpu_class_init
,
1514 static void report_unavailable_features(FeatureWord w
, uint32_t mask
)
1516 FeatureWordInfo
*f
= &feature_word_info
[w
];
1519 for (i
= 0; i
< 32; ++i
) {
1520 if ((1UL << i
) & mask
) {
1521 const char *reg
= get_register_name_32(f
->cpuid_reg
);
1523 fprintf(stderr
, "warning: %s doesn't support requested feature: "
1524 "CPUID.%02XH:%s%s%s [bit %d]\n",
1525 kvm_enabled() ? "host" : "TCG",
1527 f
->feat_names
[i
] ? "." : "",
1528 f
->feat_names
[i
] ? f
->feat_names
[i
] : "", i
);
1533 static void x86_cpuid_version_get_family(Object
*obj
, Visitor
*v
, void *opaque
,
1534 const char *name
, Error
**errp
)
1536 X86CPU
*cpu
= X86_CPU(obj
);
1537 CPUX86State
*env
= &cpu
->env
;
1540 value
= (env
->cpuid_version
>> 8) & 0xf;
1542 value
+= (env
->cpuid_version
>> 20) & 0xff;
1544 visit_type_int(v
, &value
, name
, errp
);
1547 static void x86_cpuid_version_set_family(Object
*obj
, Visitor
*v
, void *opaque
,
1548 const char *name
, Error
**errp
)
1550 X86CPU
*cpu
= X86_CPU(obj
);
1551 CPUX86State
*env
= &cpu
->env
;
1552 const int64_t min
= 0;
1553 const int64_t max
= 0xff + 0xf;
1554 Error
*local_err
= NULL
;
1557 visit_type_int(v
, &value
, name
, &local_err
);
1559 error_propagate(errp
, local_err
);
1562 if (value
< min
|| value
> max
) {
1563 error_setg(errp
, QERR_PROPERTY_VALUE_OUT_OF_RANGE
, "",
1564 name
? name
: "null", value
, min
, max
);
1568 env
->cpuid_version
&= ~0xff00f00;
1570 env
->cpuid_version
|= 0xf00 | ((value
- 0x0f) << 20);
1572 env
->cpuid_version
|= value
<< 8;
1576 static void x86_cpuid_version_get_model(Object
*obj
, Visitor
*v
, void *opaque
,
1577 const char *name
, Error
**errp
)
1579 X86CPU
*cpu
= X86_CPU(obj
);
1580 CPUX86State
*env
= &cpu
->env
;
1583 value
= (env
->cpuid_version
>> 4) & 0xf;
1584 value
|= ((env
->cpuid_version
>> 16) & 0xf) << 4;
1585 visit_type_int(v
, &value
, name
, errp
);
1588 static void x86_cpuid_version_set_model(Object
*obj
, Visitor
*v
, void *opaque
,
1589 const char *name
, Error
**errp
)
1591 X86CPU
*cpu
= X86_CPU(obj
);
1592 CPUX86State
*env
= &cpu
->env
;
1593 const int64_t min
= 0;
1594 const int64_t max
= 0xff;
1595 Error
*local_err
= NULL
;
1598 visit_type_int(v
, &value
, name
, &local_err
);
1600 error_propagate(errp
, local_err
);
1603 if (value
< min
|| value
> max
) {
1604 error_setg(errp
, QERR_PROPERTY_VALUE_OUT_OF_RANGE
, "",
1605 name
? name
: "null", value
, min
, max
);
1609 env
->cpuid_version
&= ~0xf00f0;
1610 env
->cpuid_version
|= ((value
& 0xf) << 4) | ((value
>> 4) << 16);
1613 static void x86_cpuid_version_get_stepping(Object
*obj
, Visitor
*v
,
1614 void *opaque
, const char *name
,
1617 X86CPU
*cpu
= X86_CPU(obj
);
1618 CPUX86State
*env
= &cpu
->env
;
1621 value
= env
->cpuid_version
& 0xf;
1622 visit_type_int(v
, &value
, name
, errp
);
1625 static void x86_cpuid_version_set_stepping(Object
*obj
, Visitor
*v
,
1626 void *opaque
, const char *name
,
1629 X86CPU
*cpu
= X86_CPU(obj
);
1630 CPUX86State
*env
= &cpu
->env
;
1631 const int64_t min
= 0;
1632 const int64_t max
= 0xf;
1633 Error
*local_err
= NULL
;
1636 visit_type_int(v
, &value
, name
, &local_err
);
1638 error_propagate(errp
, local_err
);
1641 if (value
< min
|| value
> max
) {
1642 error_setg(errp
, QERR_PROPERTY_VALUE_OUT_OF_RANGE
, "",
1643 name
? name
: "null", value
, min
, max
);
1647 env
->cpuid_version
&= ~0xf;
1648 env
->cpuid_version
|= value
& 0xf;
1651 static char *x86_cpuid_get_vendor(Object
*obj
, Error
**errp
)
1653 X86CPU
*cpu
= X86_CPU(obj
);
1654 CPUX86State
*env
= &cpu
->env
;
1657 value
= g_malloc(CPUID_VENDOR_SZ
+ 1);
1658 x86_cpu_vendor_words2str(value
, env
->cpuid_vendor1
, env
->cpuid_vendor2
,
1659 env
->cpuid_vendor3
);
1663 static void x86_cpuid_set_vendor(Object
*obj
, const char *value
,
1666 X86CPU
*cpu
= X86_CPU(obj
);
1667 CPUX86State
*env
= &cpu
->env
;
1670 if (strlen(value
) != CPUID_VENDOR_SZ
) {
1671 error_setg(errp
, QERR_PROPERTY_VALUE_BAD
, "", "vendor", value
);
1675 env
->cpuid_vendor1
= 0;
1676 env
->cpuid_vendor2
= 0;
1677 env
->cpuid_vendor3
= 0;
1678 for (i
= 0; i
< 4; i
++) {
1679 env
->cpuid_vendor1
|= ((uint8_t)value
[i
]) << (8 * i
);
1680 env
->cpuid_vendor2
|= ((uint8_t)value
[i
+ 4]) << (8 * i
);
1681 env
->cpuid_vendor3
|= ((uint8_t)value
[i
+ 8]) << (8 * i
);
1685 static char *x86_cpuid_get_model_id(Object
*obj
, Error
**errp
)
1687 X86CPU
*cpu
= X86_CPU(obj
);
1688 CPUX86State
*env
= &cpu
->env
;
1692 value
= g_malloc(48 + 1);
1693 for (i
= 0; i
< 48; i
++) {
1694 value
[i
] = env
->cpuid_model
[i
>> 2] >> (8 * (i
& 3));
1700 static void x86_cpuid_set_model_id(Object
*obj
, const char *model_id
,
1703 X86CPU
*cpu
= X86_CPU(obj
);
1704 CPUX86State
*env
= &cpu
->env
;
1707 if (model_id
== NULL
) {
1710 len
= strlen(model_id
);
1711 memset(env
->cpuid_model
, 0, 48);
1712 for (i
= 0; i
< 48; i
++) {
1716 c
= (uint8_t)model_id
[i
];
1718 env
->cpuid_model
[i
>> 2] |= c
<< (8 * (i
& 3));
1722 static void x86_cpuid_get_tsc_freq(Object
*obj
, Visitor
*v
, void *opaque
,
1723 const char *name
, Error
**errp
)
1725 X86CPU
*cpu
= X86_CPU(obj
);
1728 value
= cpu
->env
.tsc_khz
* 1000;
1729 visit_type_int(v
, &value
, name
, errp
);
1732 static void x86_cpuid_set_tsc_freq(Object
*obj
, Visitor
*v
, void *opaque
,
1733 const char *name
, Error
**errp
)
1735 X86CPU
*cpu
= X86_CPU(obj
);
1736 const int64_t min
= 0;
1737 const int64_t max
= INT64_MAX
;
1738 Error
*local_err
= NULL
;
1741 visit_type_int(v
, &value
, name
, &local_err
);
1743 error_propagate(errp
, local_err
);
1746 if (value
< min
|| value
> max
) {
1747 error_setg(errp
, QERR_PROPERTY_VALUE_OUT_OF_RANGE
, "",
1748 name
? name
: "null", value
, min
, max
);
1752 cpu
->env
.tsc_khz
= cpu
->env
.user_tsc_khz
= value
/ 1000;
1755 static void x86_cpuid_get_apic_id(Object
*obj
, Visitor
*v
, void *opaque
,
1756 const char *name
, Error
**errp
)
1758 X86CPU
*cpu
= X86_CPU(obj
);
1759 int64_t value
= cpu
->apic_id
;
1761 visit_type_int(v
, &value
, name
, errp
);
1764 static void x86_cpuid_set_apic_id(Object
*obj
, Visitor
*v
, void *opaque
,
1765 const char *name
, Error
**errp
)
1767 X86CPU
*cpu
= X86_CPU(obj
);
1768 DeviceState
*dev
= DEVICE(obj
);
1769 const int64_t min
= 0;
1770 const int64_t max
= UINT32_MAX
;
1771 Error
*error
= NULL
;
1774 if (dev
->realized
) {
1775 error_setg(errp
, "Attempt to set property '%s' on '%s' after "
1776 "it was realized", name
, object_get_typename(obj
));
1780 visit_type_int(v
, &value
, name
, &error
);
1782 error_propagate(errp
, error
);
1785 if (value
< min
|| value
> max
) {
1786 error_setg(errp
, "Property %s.%s doesn't take value %" PRId64
1787 " (minimum: %" PRId64
", maximum: %" PRId64
")" ,
1788 object_get_typename(obj
), name
, value
, min
, max
);
1792 if ((value
!= cpu
->apic_id
) && cpu_exists(value
)) {
1793 error_setg(errp
, "CPU with APIC ID %" PRIi64
" exists", value
);
1796 cpu
->apic_id
= value
;
1799 /* Generic getter for "feature-words" and "filtered-features" properties */
1800 static void x86_cpu_get_feature_words(Object
*obj
, Visitor
*v
, void *opaque
,
1801 const char *name
, Error
**errp
)
1803 uint32_t *array
= (uint32_t *)opaque
;
1806 X86CPUFeatureWordInfo word_infos
[FEATURE_WORDS
] = { };
1807 X86CPUFeatureWordInfoList list_entries
[FEATURE_WORDS
] = { };
1808 X86CPUFeatureWordInfoList
*list
= NULL
;
1810 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
1811 FeatureWordInfo
*wi
= &feature_word_info
[w
];
1812 X86CPUFeatureWordInfo
*qwi
= &word_infos
[w
];
1813 qwi
->cpuid_input_eax
= wi
->cpuid_eax
;
1814 qwi
->has_cpuid_input_ecx
= wi
->cpuid_needs_ecx
;
1815 qwi
->cpuid_input_ecx
= wi
->cpuid_ecx
;
1816 qwi
->cpuid_register
= x86_reg_info_32
[wi
->cpuid_reg
].qapi_enum
;
1817 qwi
->features
= array
[w
];
1819 /* List will be in reverse order, but order shouldn't matter */
1820 list_entries
[w
].next
= list
;
1821 list_entries
[w
].value
= &word_infos
[w
];
1822 list
= &list_entries
[w
];
1825 visit_type_X86CPUFeatureWordInfoList(v
, &list
, "feature-words", &err
);
1826 error_propagate(errp
, err
);
1829 static void x86_get_hv_spinlocks(Object
*obj
, Visitor
*v
, void *opaque
,
1830 const char *name
, Error
**errp
)
1832 X86CPU
*cpu
= X86_CPU(obj
);
1833 int64_t value
= cpu
->hyperv_spinlock_attempts
;
1835 visit_type_int(v
, &value
, name
, errp
);
1838 static void x86_set_hv_spinlocks(Object
*obj
, Visitor
*v
, void *opaque
,
1839 const char *name
, Error
**errp
)
1841 const int64_t min
= 0xFFF;
1842 const int64_t max
= UINT_MAX
;
1843 X86CPU
*cpu
= X86_CPU(obj
);
1847 visit_type_int(v
, &value
, name
, &err
);
1849 error_propagate(errp
, err
);
1853 if (value
< min
|| value
> max
) {
1854 error_setg(errp
, "Property %s.%s doesn't take value %" PRId64
1855 " (minimum: %" PRId64
", maximum: %" PRId64
")",
1856 object_get_typename(obj
), name
? name
: "null",
1860 cpu
->hyperv_spinlock_attempts
= value
;
1863 static PropertyInfo qdev_prop_spinlocks
= {
1865 .get
= x86_get_hv_spinlocks
,
1866 .set
= x86_set_hv_spinlocks
,
1869 /* Convert all '_' in a feature string option name to '-', to make feature
1870 * name conform to QOM property naming rule, which uses '-' instead of '_'.
1872 static inline void feat2prop(char *s
)
1874 while ((s
= strchr(s
, '_'))) {
1879 /* Parse "+feature,-feature,feature=foo" CPU feature string
1881 static void x86_cpu_parse_featurestr(CPUState
*cs
, char *features
,
1884 X86CPU
*cpu
= X86_CPU(cs
);
1885 char *featurestr
; /* Single 'key=value" string being parsed */
1887 /* Features to be added */
1888 FeatureWordArray plus_features
= { 0 };
1889 /* Features to be removed */
1890 FeatureWordArray minus_features
= { 0 };
1892 CPUX86State
*env
= &cpu
->env
;
1893 Error
*local_err
= NULL
;
1895 featurestr
= features
? strtok(features
, ",") : NULL
;
1897 while (featurestr
) {
1899 if (featurestr
[0] == '+') {
1900 add_flagname_to_bitmaps(featurestr
+ 1, plus_features
, &local_err
);
1901 } else if (featurestr
[0] == '-') {
1902 add_flagname_to_bitmaps(featurestr
+ 1, minus_features
, &local_err
);
1903 } else if ((val
= strchr(featurestr
, '='))) {
1905 feat2prop(featurestr
);
1906 if (!strcmp(featurestr
, "xlevel")) {
1910 numvalue
= strtoul(val
, &err
, 0);
1911 if (!*val
|| *err
) {
1912 error_setg(errp
, "bad numerical value %s", val
);
1915 if (numvalue
< 0x80000000) {
1916 error_report("xlevel value shall always be >= 0x80000000"
1917 ", fixup will be removed in future versions");
1918 numvalue
+= 0x80000000;
1920 snprintf(num
, sizeof(num
), "%" PRIu32
, numvalue
);
1921 object_property_parse(OBJECT(cpu
), num
, featurestr
, &local_err
);
1922 } else if (!strcmp(featurestr
, "tsc-freq")) {
1927 tsc_freq
= qemu_strtosz_suffix_unit(val
, &err
,
1928 QEMU_STRTOSZ_DEFSUFFIX_B
, 1000);
1929 if (tsc_freq
< 0 || *err
) {
1930 error_setg(errp
, "bad numerical value %s", val
);
1933 snprintf(num
, sizeof(num
), "%" PRId64
, tsc_freq
);
1934 object_property_parse(OBJECT(cpu
), num
, "tsc-frequency",
1936 } else if (!strcmp(featurestr
, "hv-spinlocks")) {
1938 const int min
= 0xFFF;
1940 numvalue
= strtoul(val
, &err
, 0);
1941 if (!*val
|| *err
) {
1942 error_setg(errp
, "bad numerical value %s", val
);
1945 if (numvalue
< min
) {
1946 error_report("hv-spinlocks value shall always be >= 0x%x"
1947 ", fixup will be removed in future versions",
1951 snprintf(num
, sizeof(num
), "%" PRId32
, numvalue
);
1952 object_property_parse(OBJECT(cpu
), num
, featurestr
, &local_err
);
1954 object_property_parse(OBJECT(cpu
), val
, featurestr
, &local_err
);
1957 feat2prop(featurestr
);
1958 object_property_parse(OBJECT(cpu
), "on", featurestr
, &local_err
);
1961 error_propagate(errp
, local_err
);
1964 featurestr
= strtok(NULL
, ",");
1967 if (cpu
->host_features
) {
1968 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
1970 x86_cpu_get_supported_feature_word(w
, cpu
->migratable
);
1974 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
1975 env
->features
[w
] |= plus_features
[w
];
1976 env
->features
[w
] &= ~minus_features
[w
];
1980 /* Print all cpuid feature names in featureset
1982 static void listflags(FILE *f
, fprintf_function print
, const char **featureset
)
1987 for (bit
= 0; bit
< 32; bit
++) {
1988 if (featureset
[bit
]) {
1989 print(f
, "%s%s", first
? "" : " ", featureset
[bit
]);
1995 /* generate CPU information. */
1996 void x86_cpu_list(FILE *f
, fprintf_function cpu_fprintf
)
1998 X86CPUDefinition
*def
;
2002 for (i
= 0; i
< ARRAY_SIZE(builtin_x86_defs
); i
++) {
2003 def
= &builtin_x86_defs
[i
];
2004 snprintf(buf
, sizeof(buf
), "%s", def
->name
);
2005 (*cpu_fprintf
)(f
, "x86 %16s %-48s\n", buf
, def
->model_id
);
2008 (*cpu_fprintf
)(f
, "x86 %16s %-48s\n", "host",
2009 "KVM processor with all supported host features "
2010 "(only available in KVM mode)");
2013 (*cpu_fprintf
)(f
, "\nRecognized CPUID flags:\n");
2014 for (i
= 0; i
< ARRAY_SIZE(feature_word_info
); i
++) {
2015 FeatureWordInfo
*fw
= &feature_word_info
[i
];
2017 (*cpu_fprintf
)(f
, " ");
2018 listflags(f
, cpu_fprintf
, fw
->feat_names
);
2019 (*cpu_fprintf
)(f
, "\n");
2023 CpuDefinitionInfoList
*arch_query_cpu_definitions(Error
**errp
)
2025 CpuDefinitionInfoList
*cpu_list
= NULL
;
2026 X86CPUDefinition
*def
;
2029 for (i
= 0; i
< ARRAY_SIZE(builtin_x86_defs
); i
++) {
2030 CpuDefinitionInfoList
*entry
;
2031 CpuDefinitionInfo
*info
;
2033 def
= &builtin_x86_defs
[i
];
2034 info
= g_malloc0(sizeof(*info
));
2035 info
->name
= g_strdup(def
->name
);
2037 entry
= g_malloc0(sizeof(*entry
));
2038 entry
->value
= info
;
2039 entry
->next
= cpu_list
;
2046 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w
,
2047 bool migratable_only
)
2049 FeatureWordInfo
*wi
= &feature_word_info
[w
];
2052 if (kvm_enabled()) {
2053 r
= kvm_arch_get_supported_cpuid(kvm_state
, wi
->cpuid_eax
,
2056 } else if (tcg_enabled()) {
2057 r
= wi
->tcg_features
;
2061 if (migratable_only
) {
2062 r
&= x86_cpu_get_migratable_flags(w
);
2068 * Filters CPU feature words based on host availability of each feature.
2070 * Returns: 0 if all flags are supported by the host, non-zero otherwise.
2072 static int x86_cpu_filter_features(X86CPU
*cpu
)
2074 CPUX86State
*env
= &cpu
->env
;
2078 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
2079 uint32_t host_feat
=
2080 x86_cpu_get_supported_feature_word(w
, cpu
->migratable
);
2081 uint32_t requested_features
= env
->features
[w
];
2082 env
->features
[w
] &= host_feat
;
2083 cpu
->filtered_features
[w
] = requested_features
& ~env
->features
[w
];
2084 if (cpu
->filtered_features
[w
]) {
2085 if (cpu
->check_cpuid
|| cpu
->enforce_cpuid
) {
2086 report_unavailable_features(w
, cpu
->filtered_features
[w
]);
2095 static void x86_cpu_apply_props(X86CPU
*cpu
, PropValue
*props
)
2098 for (pv
= props
; pv
->prop
; pv
++) {
2102 object_property_parse(OBJECT(cpu
), pv
->value
, pv
->prop
,
2107 /* Load data from X86CPUDefinition
2109 static void x86_cpu_load_def(X86CPU
*cpu
, X86CPUDefinition
*def
, Error
**errp
)
2111 CPUX86State
*env
= &cpu
->env
;
2113 char host_vendor
[CPUID_VENDOR_SZ
+ 1];
2116 object_property_set_int(OBJECT(cpu
), def
->level
, "level", errp
);
2117 object_property_set_int(OBJECT(cpu
), def
->family
, "family", errp
);
2118 object_property_set_int(OBJECT(cpu
), def
->model
, "model", errp
);
2119 object_property_set_int(OBJECT(cpu
), def
->stepping
, "stepping", errp
);
2120 object_property_set_int(OBJECT(cpu
), def
->xlevel
, "xlevel", errp
);
2121 object_property_set_int(OBJECT(cpu
), def
->xlevel2
, "xlevel2", errp
);
2122 object_property_set_str(OBJECT(cpu
), def
->model_id
, "model-id", errp
);
2123 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
2124 env
->features
[w
] = def
->features
[w
];
2127 /* Special cases not set in the X86CPUDefinition structs: */
2128 if (kvm_enabled()) {
2129 x86_cpu_apply_props(cpu
, kvm_default_props
);
2132 env
->features
[FEAT_1_ECX
] |= CPUID_EXT_HYPERVISOR
;
2134 /* sysenter isn't supported in compatibility mode on AMD,
2135 * syscall isn't supported in compatibility mode on Intel.
2136 * Normally we advertise the actual CPU vendor, but you can
2137 * override this using the 'vendor' property if you want to use
2138 * KVM's sysenter/syscall emulation in compatibility mode and
2139 * when doing cross vendor migration
2141 vendor
= def
->vendor
;
2142 if (kvm_enabled()) {
2143 uint32_t ebx
= 0, ecx
= 0, edx
= 0;
2144 host_cpuid(0, 0, NULL
, &ebx
, &ecx
, &edx
);
2145 x86_cpu_vendor_words2str(host_vendor
, ebx
, edx
, ecx
);
2146 vendor
= host_vendor
;
2149 object_property_set_str(OBJECT(cpu
), vendor
, "vendor", errp
);
2153 X86CPU
*cpu_x86_create(const char *cpu_model
, Error
**errp
)
2158 gchar
**model_pieces
;
2159 char *name
, *features
;
2160 Error
*error
= NULL
;
2162 model_pieces
= g_strsplit(cpu_model
, ",", 2);
2163 if (!model_pieces
[0]) {
2164 error_setg(&error
, "Invalid/empty CPU model name");
2167 name
= model_pieces
[0];
2168 features
= model_pieces
[1];
2170 oc
= x86_cpu_class_by_name(name
);
2172 error_setg(&error
, "Unable to find CPU definition: %s", name
);
2175 xcc
= X86_CPU_CLASS(oc
);
2177 if (xcc
->kvm_required
&& !kvm_enabled()) {
2178 error_setg(&error
, "CPU model '%s' requires KVM", name
);
2182 cpu
= X86_CPU(object_new(object_class_get_name(oc
)));
2184 x86_cpu_parse_featurestr(CPU(cpu
), features
, &error
);
2190 if (error
!= NULL
) {
2191 error_propagate(errp
, error
);
2193 object_unref(OBJECT(cpu
));
2197 g_strfreev(model_pieces
);
2201 X86CPU
*cpu_x86_init(const char *cpu_model
)
2203 Error
*error
= NULL
;
2206 cpu
= cpu_x86_create(cpu_model
, &error
);
2211 object_property_set_bool(OBJECT(cpu
), true, "realized", &error
);
2215 error_report_err(error
);
2217 object_unref(OBJECT(cpu
));
2224 static void x86_cpu_cpudef_class_init(ObjectClass
*oc
, void *data
)
2226 X86CPUDefinition
*cpudef
= data
;
2227 X86CPUClass
*xcc
= X86_CPU_CLASS(oc
);
2229 xcc
->cpu_def
= cpudef
;
2232 static void x86_register_cpudef_type(X86CPUDefinition
*def
)
2234 char *typename
= x86_cpu_type_name(def
->name
);
2237 .parent
= TYPE_X86_CPU
,
2238 .class_init
= x86_cpu_cpudef_class_init
,
2246 #if !defined(CONFIG_USER_ONLY)
2248 void cpu_clear_apic_feature(CPUX86State
*env
)
2250 env
->features
[FEAT_1_EDX
] &= ~CPUID_APIC
;
2253 #endif /* !CONFIG_USER_ONLY */
2255 /* Initialize list of CPU models, filling some non-static fields if necessary
2257 void x86_cpudef_setup(void)
2260 static const char *model_with_versions
[] = { "qemu32", "qemu64", "athlon" };
2262 for (i
= 0; i
< ARRAY_SIZE(builtin_x86_defs
); ++i
) {
2263 X86CPUDefinition
*def
= &builtin_x86_defs
[i
];
2265 /* Look for specific "cpudef" models that */
2266 /* have the QEMU version in .model_id */
2267 for (j
= 0; j
< ARRAY_SIZE(model_with_versions
); j
++) {
2268 if (strcmp(model_with_versions
[j
], def
->name
) == 0) {
2269 pstrcpy(def
->model_id
, sizeof(def
->model_id
),
2270 "QEMU Virtual CPU version ");
2271 pstrcat(def
->model_id
, sizeof(def
->model_id
),
2279 void cpu_x86_cpuid(CPUX86State
*env
, uint32_t index
, uint32_t count
,
2280 uint32_t *eax
, uint32_t *ebx
,
2281 uint32_t *ecx
, uint32_t *edx
)
2283 X86CPU
*cpu
= x86_env_get_cpu(env
);
2284 CPUState
*cs
= CPU(cpu
);
2286 /* test if maximum index reached */
2287 if (index
& 0x80000000) {
2288 if (index
> env
->cpuid_xlevel
) {
2289 if (env
->cpuid_xlevel2
> 0) {
2290 /* Handle the Centaur's CPUID instruction. */
2291 if (index
> env
->cpuid_xlevel2
) {
2292 index
= env
->cpuid_xlevel2
;
2293 } else if (index
< 0xC0000000) {
2294 index
= env
->cpuid_xlevel
;
2297 /* Intel documentation states that invalid EAX input will
2298 * return the same information as EAX=cpuid_level
2299 * (Intel SDM Vol. 2A - Instruction Set Reference - CPUID)
2301 index
= env
->cpuid_level
;
2305 if (index
> env
->cpuid_level
)
2306 index
= env
->cpuid_level
;
2311 *eax
= env
->cpuid_level
;
2312 *ebx
= env
->cpuid_vendor1
;
2313 *edx
= env
->cpuid_vendor2
;
2314 *ecx
= env
->cpuid_vendor3
;
2317 *eax
= env
->cpuid_version
;
2318 *ebx
= (cpu
->apic_id
<< 24) |
2319 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */
2320 *ecx
= env
->features
[FEAT_1_ECX
];
2321 *edx
= env
->features
[FEAT_1_EDX
];
2322 if (cs
->nr_cores
* cs
->nr_threads
> 1) {
2323 *ebx
|= (cs
->nr_cores
* cs
->nr_threads
) << 16;
2324 *edx
|= 1 << 28; /* HTT bit */
2328 /* cache info: needed for Pentium Pro compatibility */
2329 if (cpu
->cache_info_passthrough
) {
2330 host_cpuid(index
, 0, eax
, ebx
, ecx
, edx
);
2333 *eax
= 1; /* Number of CPUID[EAX=2] calls required */
2336 *edx
= (L1D_DESCRIPTOR
<< 16) | \
2337 (L1I_DESCRIPTOR
<< 8) | \
2341 /* cache info: needed for Core compatibility */
2342 if (cpu
->cache_info_passthrough
) {
2343 host_cpuid(index
, count
, eax
, ebx
, ecx
, edx
);
2344 *eax
&= ~0xFC000000;
2348 case 0: /* L1 dcache info */
2349 *eax
|= CPUID_4_TYPE_DCACHE
| \
2350 CPUID_4_LEVEL(1) | \
2351 CPUID_4_SELF_INIT_LEVEL
;
2352 *ebx
= (L1D_LINE_SIZE
- 1) | \
2353 ((L1D_PARTITIONS
- 1) << 12) | \
2354 ((L1D_ASSOCIATIVITY
- 1) << 22);
2355 *ecx
= L1D_SETS
- 1;
2356 *edx
= CPUID_4_NO_INVD_SHARING
;
2358 case 1: /* L1 icache info */
2359 *eax
|= CPUID_4_TYPE_ICACHE
| \
2360 CPUID_4_LEVEL(1) | \
2361 CPUID_4_SELF_INIT_LEVEL
;
2362 *ebx
= (L1I_LINE_SIZE
- 1) | \
2363 ((L1I_PARTITIONS
- 1) << 12) | \
2364 ((L1I_ASSOCIATIVITY
- 1) << 22);
2365 *ecx
= L1I_SETS
- 1;
2366 *edx
= CPUID_4_NO_INVD_SHARING
;
2368 case 2: /* L2 cache info */
2369 *eax
|= CPUID_4_TYPE_UNIFIED
| \
2370 CPUID_4_LEVEL(2) | \
2371 CPUID_4_SELF_INIT_LEVEL
;
2372 if (cs
->nr_threads
> 1) {
2373 *eax
|= (cs
->nr_threads
- 1) << 14;
2375 *ebx
= (L2_LINE_SIZE
- 1) | \
2376 ((L2_PARTITIONS
- 1) << 12) | \
2377 ((L2_ASSOCIATIVITY
- 1) << 22);
2379 *edx
= CPUID_4_NO_INVD_SHARING
;
2381 default: /* end of info */
2390 /* QEMU gives out its own APIC IDs, never pass down bits 31..26. */
2391 if ((*eax
& 31) && cs
->nr_cores
> 1) {
2392 *eax
|= (cs
->nr_cores
- 1) << 26;
2396 /* mwait info: needed for Core compatibility */
2397 *eax
= 0; /* Smallest monitor-line size in bytes */
2398 *ebx
= 0; /* Largest monitor-line size in bytes */
2399 *ecx
= CPUID_MWAIT_EMX
| CPUID_MWAIT_IBE
;
2403 /* Thermal and Power Leaf */
2404 *eax
= env
->features
[FEAT_6_EAX
];
2410 /* Structured Extended Feature Flags Enumeration Leaf */
2412 *eax
= 0; /* Maximum ECX value for sub-leaves */
2413 *ebx
= env
->features
[FEAT_7_0_EBX
]; /* Feature flags */
2414 *ecx
= env
->features
[FEAT_7_0_ECX
]; /* Feature flags */
2415 *edx
= 0; /* Reserved */
2424 /* Direct Cache Access Information Leaf */
2425 *eax
= 0; /* Bits 0-31 in DCA_CAP MSR */
2431 /* Architectural Performance Monitoring Leaf */
2432 if (kvm_enabled() && cpu
->enable_pmu
) {
2433 KVMState
*s
= cs
->kvm_state
;
2435 *eax
= kvm_arch_get_supported_cpuid(s
, 0xA, count
, R_EAX
);
2436 *ebx
= kvm_arch_get_supported_cpuid(s
, 0xA, count
, R_EBX
);
2437 *ecx
= kvm_arch_get_supported_cpuid(s
, 0xA, count
, R_ECX
);
2438 *edx
= kvm_arch_get_supported_cpuid(s
, 0xA, count
, R_EDX
);
2447 KVMState
*s
= cs
->kvm_state
;
2451 /* Processor Extended State */
2456 if (!(env
->features
[FEAT_1_ECX
] & CPUID_EXT_XSAVE
) || !kvm_enabled()) {
2460 kvm_arch_get_supported_cpuid(s
, 0xd, 0, R_EAX
) |
2461 ((uint64_t)kvm_arch_get_supported_cpuid(s
, 0xd, 0, R_EDX
) << 32);
2465 for (i
= 2; i
< ARRAY_SIZE(ext_save_areas
); i
++) {
2466 const ExtSaveArea
*esa
= &ext_save_areas
[i
];
2467 if ((env
->features
[esa
->feature
] & esa
->bits
) == esa
->bits
&&
2468 (kvm_mask
& (1 << i
)) != 0) {
2472 *edx
|= 1 << (i
- 32);
2474 *ecx
= MAX(*ecx
, esa
->offset
+ esa
->size
);
2477 *eax
|= kvm_mask
& (XSTATE_FP
| XSTATE_SSE
);
2479 } else if (count
== 1) {
2480 *eax
= env
->features
[FEAT_XSAVE
];
2481 } else if (count
< ARRAY_SIZE(ext_save_areas
)) {
2482 const ExtSaveArea
*esa
= &ext_save_areas
[count
];
2483 if ((env
->features
[esa
->feature
] & esa
->bits
) == esa
->bits
&&
2484 (kvm_mask
& (1 << count
)) != 0) {
2492 *eax
= env
->cpuid_xlevel
;
2493 *ebx
= env
->cpuid_vendor1
;
2494 *edx
= env
->cpuid_vendor2
;
2495 *ecx
= env
->cpuid_vendor3
;
2498 *eax
= env
->cpuid_version
;
2500 *ecx
= env
->features
[FEAT_8000_0001_ECX
];
2501 *edx
= env
->features
[FEAT_8000_0001_EDX
];
2503 /* The Linux kernel checks for the CMPLegacy bit and
2504 * discards multiple thread information if it is set.
2505 * So dont set it here for Intel to make Linux guests happy.
2507 if (cs
->nr_cores
* cs
->nr_threads
> 1) {
2508 if (env
->cpuid_vendor1
!= CPUID_VENDOR_INTEL_1
||
2509 env
->cpuid_vendor2
!= CPUID_VENDOR_INTEL_2
||
2510 env
->cpuid_vendor3
!= CPUID_VENDOR_INTEL_3
) {
2511 *ecx
|= 1 << 1; /* CmpLegacy bit */
2518 *eax
= env
->cpuid_model
[(index
- 0x80000002) * 4 + 0];
2519 *ebx
= env
->cpuid_model
[(index
- 0x80000002) * 4 + 1];
2520 *ecx
= env
->cpuid_model
[(index
- 0x80000002) * 4 + 2];
2521 *edx
= env
->cpuid_model
[(index
- 0x80000002) * 4 + 3];
2524 /* cache info (L1 cache) */
2525 if (cpu
->cache_info_passthrough
) {
2526 host_cpuid(index
, 0, eax
, ebx
, ecx
, edx
);
2529 *eax
= (L1_DTLB_2M_ASSOC
<< 24) | (L1_DTLB_2M_ENTRIES
<< 16) | \
2530 (L1_ITLB_2M_ASSOC
<< 8) | (L1_ITLB_2M_ENTRIES
);
2531 *ebx
= (L1_DTLB_4K_ASSOC
<< 24) | (L1_DTLB_4K_ENTRIES
<< 16) | \
2532 (L1_ITLB_4K_ASSOC
<< 8) | (L1_ITLB_4K_ENTRIES
);
2533 *ecx
= (L1D_SIZE_KB_AMD
<< 24) | (L1D_ASSOCIATIVITY_AMD
<< 16) | \
2534 (L1D_LINES_PER_TAG
<< 8) | (L1D_LINE_SIZE
);
2535 *edx
= (L1I_SIZE_KB_AMD
<< 24) | (L1I_ASSOCIATIVITY_AMD
<< 16) | \
2536 (L1I_LINES_PER_TAG
<< 8) | (L1I_LINE_SIZE
);
2539 /* cache info (L2 cache) */
2540 if (cpu
->cache_info_passthrough
) {
2541 host_cpuid(index
, 0, eax
, ebx
, ecx
, edx
);
2544 *eax
= (AMD_ENC_ASSOC(L2_DTLB_2M_ASSOC
) << 28) | \
2545 (L2_DTLB_2M_ENTRIES
<< 16) | \
2546 (AMD_ENC_ASSOC(L2_ITLB_2M_ASSOC
) << 12) | \
2547 (L2_ITLB_2M_ENTRIES
);
2548 *ebx
= (AMD_ENC_ASSOC(L2_DTLB_4K_ASSOC
) << 28) | \
2549 (L2_DTLB_4K_ENTRIES
<< 16) | \
2550 (AMD_ENC_ASSOC(L2_ITLB_4K_ASSOC
) << 12) | \
2551 (L2_ITLB_4K_ENTRIES
);
2552 *ecx
= (L2_SIZE_KB_AMD
<< 16) | \
2553 (AMD_ENC_ASSOC(L2_ASSOCIATIVITY
) << 12) | \
2554 (L2_LINES_PER_TAG
<< 8) | (L2_LINE_SIZE
);
2555 *edx
= ((L3_SIZE_KB
/512) << 18) | \
2556 (AMD_ENC_ASSOC(L3_ASSOCIATIVITY
) << 12) | \
2557 (L3_LINES_PER_TAG
<< 8) | (L3_LINE_SIZE
);
2563 *edx
= env
->features
[FEAT_8000_0007_EDX
];
2566 /* virtual & phys address size in low 2 bytes. */
2567 /* XXX: This value must match the one used in the MMU code. */
2568 if (env
->features
[FEAT_8000_0001_EDX
] & CPUID_EXT2_LM
) {
2569 /* 64 bit processor */
2570 /* XXX: The physical address space is limited to 42 bits in exec.c. */
2571 *eax
= 0x00003028; /* 48 bits virtual, 40 bits physical */
2573 if (env
->features
[FEAT_1_EDX
] & CPUID_PSE36
) {
2574 *eax
= 0x00000024; /* 36 bits physical */
2576 *eax
= 0x00000020; /* 32 bits physical */
2582 if (cs
->nr_cores
* cs
->nr_threads
> 1) {
2583 *ecx
|= (cs
->nr_cores
* cs
->nr_threads
) - 1;
2587 if (env
->features
[FEAT_8000_0001_ECX
] & CPUID_EXT3_SVM
) {
2588 *eax
= 0x00000001; /* SVM Revision */
2589 *ebx
= 0x00000010; /* nr of ASIDs */
2591 *edx
= env
->features
[FEAT_SVM
]; /* optional features */
2600 *eax
= env
->cpuid_xlevel2
;
2606 /* Support for VIA CPU's CPUID instruction */
2607 *eax
= env
->cpuid_version
;
2610 *edx
= env
->features
[FEAT_C000_0001_EDX
];
2615 /* Reserved for the future, and now filled with zero */
2622 /* reserved values: zero */
2631 /* CPUClass::reset() */
2632 static void x86_cpu_reset(CPUState
*s
)
2634 X86CPU
*cpu
= X86_CPU(s
);
2635 X86CPUClass
*xcc
= X86_CPU_GET_CLASS(cpu
);
2636 CPUX86State
*env
= &cpu
->env
;
2639 xcc
->parent_reset(s
);
2641 memset(env
, 0, offsetof(CPUX86State
, cpuid_level
));
2645 env
->old_exception
= -1;
2647 /* init to reset state */
2649 #ifdef CONFIG_SOFTMMU
2650 env
->hflags
|= HF_SOFTMMU_MASK
;
2652 env
->hflags2
|= HF2_GIF_MASK
;
2654 cpu_x86_update_cr0(env
, 0x60000010);
2655 env
->a20_mask
= ~0x0;
2656 env
->smbase
= 0x30000;
2658 env
->idt
.limit
= 0xffff;
2659 env
->gdt
.limit
= 0xffff;
2660 env
->ldt
.limit
= 0xffff;
2661 env
->ldt
.flags
= DESC_P_MASK
| (2 << DESC_TYPE_SHIFT
);
2662 env
->tr
.limit
= 0xffff;
2663 env
->tr
.flags
= DESC_P_MASK
| (11 << DESC_TYPE_SHIFT
);
2665 cpu_x86_load_seg_cache(env
, R_CS
, 0xf000, 0xffff0000, 0xffff,
2666 DESC_P_MASK
| DESC_S_MASK
| DESC_CS_MASK
|
2667 DESC_R_MASK
| DESC_A_MASK
);
2668 cpu_x86_load_seg_cache(env
, R_DS
, 0, 0, 0xffff,
2669 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2671 cpu_x86_load_seg_cache(env
, R_ES
, 0, 0, 0xffff,
2672 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2674 cpu_x86_load_seg_cache(env
, R_SS
, 0, 0, 0xffff,
2675 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2677 cpu_x86_load_seg_cache(env
, R_FS
, 0, 0, 0xffff,
2678 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2680 cpu_x86_load_seg_cache(env
, R_GS
, 0, 0, 0xffff,
2681 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2685 env
->regs
[R_EDX
] = env
->cpuid_version
;
2690 for (i
= 0; i
< 8; i
++) {
2693 cpu_set_fpuc(env
, 0x37f);
2695 env
->mxcsr
= 0x1f80;
2696 env
->xstate_bv
= XSTATE_FP
| XSTATE_SSE
;
2698 env
->pat
= 0x0007040600070406ULL
;
2699 env
->msr_ia32_misc_enable
= MSR_IA32_MISC_ENABLE_DEFAULT
;
2701 memset(env
->dr
, 0, sizeof(env
->dr
));
2702 env
->dr
[6] = DR6_FIXED_1
;
2703 env
->dr
[7] = DR7_FIXED_1
;
2704 cpu_breakpoint_remove_all(s
, BP_CPU
);
2705 cpu_watchpoint_remove_all(s
, BP_CPU
);
2710 * SDM 11.11.5 requires:
2711 * - IA32_MTRR_DEF_TYPE MSR.E = 0
2712 * - IA32_MTRR_PHYSMASKn.V = 0
2713 * All other bits are undefined. For simplification, zero it all.
2715 env
->mtrr_deftype
= 0;
2716 memset(env
->mtrr_var
, 0, sizeof(env
->mtrr_var
));
2717 memset(env
->mtrr_fixed
, 0, sizeof(env
->mtrr_fixed
));
2719 #if !defined(CONFIG_USER_ONLY)
2720 /* We hard-wire the BSP to the first CPU. */
2721 apic_designate_bsp(cpu
->apic_state
, s
->cpu_index
== 0);
2723 s
->halted
= !cpu_is_bsp(cpu
);
2725 if (kvm_enabled()) {
2726 kvm_arch_reset_vcpu(cpu
);
2731 #ifndef CONFIG_USER_ONLY
2732 bool cpu_is_bsp(X86CPU
*cpu
)
2734 return cpu_get_apic_base(cpu
->apic_state
) & MSR_IA32_APICBASE_BSP
;
2737 /* TODO: remove me, when reset over QOM tree is implemented */
2738 static void x86_cpu_machine_reset_cb(void *opaque
)
2740 X86CPU
*cpu
= opaque
;
2741 cpu_reset(CPU(cpu
));
2745 static void mce_init(X86CPU
*cpu
)
2747 CPUX86State
*cenv
= &cpu
->env
;
2750 if (((cenv
->cpuid_version
>> 8) & 0xf) >= 6
2751 && (cenv
->features
[FEAT_1_EDX
] & (CPUID_MCE
| CPUID_MCA
)) ==
2752 (CPUID_MCE
| CPUID_MCA
)) {
2753 cenv
->mcg_cap
= MCE_CAP_DEF
| MCE_BANKS_DEF
;
2754 cenv
->mcg_ctl
= ~(uint64_t)0;
2755 for (bank
= 0; bank
< MCE_BANKS_DEF
; bank
++) {
2756 cenv
->mce_banks
[bank
* 4] = ~(uint64_t)0;
2761 #ifndef CONFIG_USER_ONLY
2762 static void x86_cpu_apic_create(X86CPU
*cpu
, Error
**errp
)
2764 APICCommonState
*apic
;
2765 const char *apic_type
= "apic";
2767 if (kvm_apic_in_kernel()) {
2768 apic_type
= "kvm-apic";
2769 } else if (xen_enabled()) {
2770 apic_type
= "xen-apic";
2773 cpu
->apic_state
= DEVICE(object_new(apic_type
));
2775 object_property_add_child(OBJECT(cpu
), "apic",
2776 OBJECT(cpu
->apic_state
), NULL
);
2777 qdev_prop_set_uint8(cpu
->apic_state
, "id", cpu
->apic_id
);
2778 /* TODO: convert to link<> */
2779 apic
= APIC_COMMON(cpu
->apic_state
);
2781 apic
->apicbase
= APIC_DEFAULT_ADDRESS
| MSR_IA32_APICBASE_ENABLE
;
2784 static void x86_cpu_apic_realize(X86CPU
*cpu
, Error
**errp
)
2786 APICCommonState
*apic
;
2787 static bool apic_mmio_map_once
;
2789 if (cpu
->apic_state
== NULL
) {
2792 object_property_set_bool(OBJECT(cpu
->apic_state
), true, "realized",
2795 /* Map APIC MMIO area */
2796 apic
= APIC_COMMON(cpu
->apic_state
);
2797 if (!apic_mmio_map_once
) {
2798 memory_region_add_subregion_overlap(get_system_memory(),
2800 MSR_IA32_APICBASE_BASE
,
2803 apic_mmio_map_once
= true;
2807 static void x86_cpu_machine_done(Notifier
*n
, void *unused
)
2809 X86CPU
*cpu
= container_of(n
, X86CPU
, machine_done
);
2810 MemoryRegion
*smram
=
2811 (MemoryRegion
*) object_resolve_path("/machine/smram", NULL
);
2814 cpu
->smram
= g_new(MemoryRegion
, 1);
2815 memory_region_init_alias(cpu
->smram
, OBJECT(cpu
), "smram",
2816 smram
, 0, 1ull << 32);
2817 memory_region_set_enabled(cpu
->smram
, false);
2818 memory_region_add_subregion_overlap(cpu
->cpu_as_root
, 0, cpu
->smram
, 1);
2822 static void x86_cpu_apic_realize(X86CPU
*cpu
, Error
**errp
)
2828 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
2829 (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
2830 (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
2831 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
2832 (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
2833 (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
2834 static void x86_cpu_realizefn(DeviceState
*dev
, Error
**errp
)
2836 CPUState
*cs
= CPU(dev
);
2837 X86CPU
*cpu
= X86_CPU(dev
);
2838 X86CPUClass
*xcc
= X86_CPU_GET_CLASS(dev
);
2839 CPUX86State
*env
= &cpu
->env
;
2840 Error
*local_err
= NULL
;
2841 static bool ht_warned
;
2843 if (cpu
->apic_id
< 0) {
2844 error_setg(errp
, "apic-id property was not initialized properly");
2848 if (env
->features
[FEAT_7_0_EBX
] && env
->cpuid_level
< 7) {
2849 env
->cpuid_level
= 7;
2852 /* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on
2855 if (IS_AMD_CPU(env
)) {
2856 env
->features
[FEAT_8000_0001_EDX
] &= ~CPUID_EXT2_AMD_ALIASES
;
2857 env
->features
[FEAT_8000_0001_EDX
] |= (env
->features
[FEAT_1_EDX
]
2858 & CPUID_EXT2_AMD_ALIASES
);
2862 if (x86_cpu_filter_features(cpu
) && cpu
->enforce_cpuid
) {
2863 error_setg(&local_err
,
2865 "Host doesn't support requested features" :
2866 "TCG doesn't support requested features");
2870 #ifndef CONFIG_USER_ONLY
2871 qemu_register_reset(x86_cpu_machine_reset_cb
, cpu
);
2873 if (cpu
->env
.features
[FEAT_1_EDX
] & CPUID_APIC
|| smp_cpus
> 1) {
2874 x86_cpu_apic_create(cpu
, &local_err
);
2875 if (local_err
!= NULL
) {
2883 #ifndef CONFIG_USER_ONLY
2884 if (tcg_enabled()) {
2885 AddressSpace
*newas
= g_new(AddressSpace
, 1);
2887 cpu
->cpu_as_mem
= g_new(MemoryRegion
, 1);
2888 cpu
->cpu_as_root
= g_new(MemoryRegion
, 1);
2890 /* Outer container... */
2891 memory_region_init(cpu
->cpu_as_root
, OBJECT(cpu
), "memory", ~0ull);
2892 memory_region_set_enabled(cpu
->cpu_as_root
, true);
2894 /* ... with two regions inside: normal system memory with low
2897 memory_region_init_alias(cpu
->cpu_as_mem
, OBJECT(cpu
), "memory",
2898 get_system_memory(), 0, ~0ull);
2899 memory_region_add_subregion_overlap(cpu
->cpu_as_root
, 0, cpu
->cpu_as_mem
, 0);
2900 memory_region_set_enabled(cpu
->cpu_as_mem
, true);
2901 address_space_init(newas
, cpu
->cpu_as_root
, "CPU");
2903 cpu_address_space_init(cs
, newas
, 0);
2905 /* ... SMRAM with higher priority, linked from /machine/smram. */
2906 cpu
->machine_done
.notify
= x86_cpu_machine_done
;
2907 qemu_add_machine_init_done_notifier(&cpu
->machine_done
);
2913 /* Only Intel CPUs support hyperthreading. Even though QEMU fixes this
2914 * issue by adjusting CPUID_0000_0001_EBX and CPUID_8000_0008_ECX
2915 * based on inputs (sockets,cores,threads), it is still better to gives
2918 * NOTE: the following code has to follow qemu_init_vcpu(). Otherwise
2919 * cs->nr_threads hasn't be populated yet and the checking is incorrect.
2921 if (!IS_INTEL_CPU(env
) && cs
->nr_threads
> 1 && !ht_warned
) {
2922 error_report("AMD CPU doesn't support hyperthreading. Please configure"
2923 " -smp options properly.");
2927 x86_cpu_apic_realize(cpu
, &local_err
);
2928 if (local_err
!= NULL
) {
2933 xcc
->parent_realize(dev
, &local_err
);
2936 if (local_err
!= NULL
) {
2937 error_propagate(errp
, local_err
);
2942 typedef struct BitProperty
{
2947 static void x86_cpu_get_bit_prop(Object
*obj
,
2953 BitProperty
*fp
= opaque
;
2954 bool value
= (*fp
->ptr
& fp
->mask
) == fp
->mask
;
2955 visit_type_bool(v
, &value
, name
, errp
);
2958 static void x86_cpu_set_bit_prop(Object
*obj
,
2964 DeviceState
*dev
= DEVICE(obj
);
2965 BitProperty
*fp
= opaque
;
2966 Error
*local_err
= NULL
;
2969 if (dev
->realized
) {
2970 qdev_prop_set_after_realize(dev
, name
, errp
);
2974 visit_type_bool(v
, &value
, name
, &local_err
);
2976 error_propagate(errp
, local_err
);
2981 *fp
->ptr
|= fp
->mask
;
2983 *fp
->ptr
&= ~fp
->mask
;
2987 static void x86_cpu_release_bit_prop(Object
*obj
, const char *name
,
2990 BitProperty
*prop
= opaque
;
2994 /* Register a boolean property to get/set a single bit in a uint32_t field.
2996 * The same property name can be registered multiple times to make it affect
2997 * multiple bits in the same FeatureWord. In that case, the getter will return
2998 * true only if all bits are set.
3000 static void x86_cpu_register_bit_prop(X86CPU
*cpu
,
3001 const char *prop_name
,
3007 uint32_t mask
= (1UL << bitnr
);
3009 op
= object_property_find(OBJECT(cpu
), prop_name
, NULL
);
3012 assert(fp
->ptr
== field
);
3015 fp
= g_new0(BitProperty
, 1);
3018 object_property_add(OBJECT(cpu
), prop_name
, "bool",
3019 x86_cpu_get_bit_prop
,
3020 x86_cpu_set_bit_prop
,
3021 x86_cpu_release_bit_prop
, fp
, &error_abort
);
3025 static void x86_cpu_register_feature_bit_props(X86CPU
*cpu
,
3029 Object
*obj
= OBJECT(cpu
);
3032 FeatureWordInfo
*fi
= &feature_word_info
[w
];
3034 if (!fi
->feat_names
) {
3037 if (!fi
->feat_names
[bitnr
]) {
3041 names
= g_strsplit(fi
->feat_names
[bitnr
], "|", 0);
3043 feat2prop(names
[0]);
3044 x86_cpu_register_bit_prop(cpu
, names
[0], &cpu
->env
.features
[w
], bitnr
);
3046 for (i
= 1; names
[i
]; i
++) {
3047 feat2prop(names
[i
]);
3048 object_property_add_alias(obj
, names
[i
], obj
, names
[0],
3055 static void x86_cpu_initfn(Object
*obj
)
3057 CPUState
*cs
= CPU(obj
);
3058 X86CPU
*cpu
= X86_CPU(obj
);
3059 X86CPUClass
*xcc
= X86_CPU_GET_CLASS(obj
);
3060 CPUX86State
*env
= &cpu
->env
;
3065 cpu_exec_init(cs
, &error_abort
);
3067 object_property_add(obj
, "family", "int",
3068 x86_cpuid_version_get_family
,
3069 x86_cpuid_version_set_family
, NULL
, NULL
, NULL
);
3070 object_property_add(obj
, "model", "int",
3071 x86_cpuid_version_get_model
,
3072 x86_cpuid_version_set_model
, NULL
, NULL
, NULL
);
3073 object_property_add(obj
, "stepping", "int",
3074 x86_cpuid_version_get_stepping
,
3075 x86_cpuid_version_set_stepping
, NULL
, NULL
, NULL
);
3076 object_property_add_str(obj
, "vendor",
3077 x86_cpuid_get_vendor
,
3078 x86_cpuid_set_vendor
, NULL
);
3079 object_property_add_str(obj
, "model-id",
3080 x86_cpuid_get_model_id
,
3081 x86_cpuid_set_model_id
, NULL
);
3082 object_property_add(obj
, "tsc-frequency", "int",
3083 x86_cpuid_get_tsc_freq
,
3084 x86_cpuid_set_tsc_freq
, NULL
, NULL
, NULL
);
3085 object_property_add(obj
, "apic-id", "int",
3086 x86_cpuid_get_apic_id
,
3087 x86_cpuid_set_apic_id
, NULL
, NULL
, NULL
);
3088 object_property_add(obj
, "feature-words", "X86CPUFeatureWordInfo",
3089 x86_cpu_get_feature_words
,
3090 NULL
, NULL
, (void *)env
->features
, NULL
);
3091 object_property_add(obj
, "filtered-features", "X86CPUFeatureWordInfo",
3092 x86_cpu_get_feature_words
,
3093 NULL
, NULL
, (void *)cpu
->filtered_features
, NULL
);
3095 cpu
->hyperv_spinlock_attempts
= HYPERV_SPINLOCK_NEVER_RETRY
;
3097 #ifndef CONFIG_USER_ONLY
3098 /* Any code creating new X86CPU objects have to set apic-id explicitly */
3102 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
3105 for (bitnr
= 0; bitnr
< 32; bitnr
++) {
3106 x86_cpu_register_feature_bit_props(cpu
, w
, bitnr
);
3110 x86_cpu_load_def(cpu
, xcc
->cpu_def
, &error_abort
);
3112 /* init various static tables used in TCG mode */
3113 if (tcg_enabled() && !inited
) {
3119 static int64_t x86_cpu_get_arch_id(CPUState
*cs
)
3121 X86CPU
*cpu
= X86_CPU(cs
);
3123 return cpu
->apic_id
;
3126 static bool x86_cpu_get_paging_enabled(const CPUState
*cs
)
3128 X86CPU
*cpu
= X86_CPU(cs
);
3130 return cpu
->env
.cr
[0] & CR0_PG_MASK
;
3133 static void x86_cpu_set_pc(CPUState
*cs
, vaddr value
)
3135 X86CPU
*cpu
= X86_CPU(cs
);
3137 cpu
->env
.eip
= value
;
3140 static void x86_cpu_synchronize_from_tb(CPUState
*cs
, TranslationBlock
*tb
)
3142 X86CPU
*cpu
= X86_CPU(cs
);
3144 cpu
->env
.eip
= tb
->pc
- tb
->cs_base
;
3147 static bool x86_cpu_has_work(CPUState
*cs
)
3149 X86CPU
*cpu
= X86_CPU(cs
);
3150 CPUX86State
*env
= &cpu
->env
;
3152 return ((cs
->interrupt_request
& (CPU_INTERRUPT_HARD
|
3153 CPU_INTERRUPT_POLL
)) &&
3154 (env
->eflags
& IF_MASK
)) ||
3155 (cs
->interrupt_request
& (CPU_INTERRUPT_NMI
|
3156 CPU_INTERRUPT_INIT
|
3157 CPU_INTERRUPT_SIPI
|
3158 CPU_INTERRUPT_MCE
)) ||
3159 ((cs
->interrupt_request
& CPU_INTERRUPT_SMI
) &&
3160 !(env
->hflags
& HF_SMM_MASK
));
3163 static Property x86_cpu_properties
[] = {
3164 DEFINE_PROP_BOOL("pmu", X86CPU
, enable_pmu
, false),
3165 { .name
= "hv-spinlocks", .info
= &qdev_prop_spinlocks
},
3166 DEFINE_PROP_BOOL("hv-relaxed", X86CPU
, hyperv_relaxed_timing
, false),
3167 DEFINE_PROP_BOOL("hv-vapic", X86CPU
, hyperv_vapic
, false),
3168 DEFINE_PROP_BOOL("hv-time", X86CPU
, hyperv_time
, false),
3169 DEFINE_PROP_BOOL("hv-crash", X86CPU
, hyperv_crash
, false),
3170 DEFINE_PROP_BOOL("hv-reset", X86CPU
, hyperv_reset
, false),
3171 DEFINE_PROP_BOOL("hv-vpindex", X86CPU
, hyperv_vpindex
, false),
3172 DEFINE_PROP_BOOL("hv-runtime", X86CPU
, hyperv_runtime
, false),
3173 DEFINE_PROP_BOOL("hv-synic", X86CPU
, hyperv_synic
, false),
3174 DEFINE_PROP_BOOL("hv-stimer", X86CPU
, hyperv_stimer
, false),
3175 DEFINE_PROP_BOOL("check", X86CPU
, check_cpuid
, true),
3176 DEFINE_PROP_BOOL("enforce", X86CPU
, enforce_cpuid
, false),
3177 DEFINE_PROP_BOOL("kvm", X86CPU
, expose_kvm
, true),
3178 DEFINE_PROP_UINT32("level", X86CPU
, env
.cpuid_level
, 0),
3179 DEFINE_PROP_UINT32("xlevel", X86CPU
, env
.cpuid_xlevel
, 0),
3180 DEFINE_PROP_UINT32("xlevel2", X86CPU
, env
.cpuid_xlevel2
, 0),
3181 DEFINE_PROP_STRING("hv-vendor-id", X86CPU
, hyperv_vendor_id
),
3182 DEFINE_PROP_END_OF_LIST()
3185 static void x86_cpu_common_class_init(ObjectClass
*oc
, void *data
)
3187 X86CPUClass
*xcc
= X86_CPU_CLASS(oc
);
3188 CPUClass
*cc
= CPU_CLASS(oc
);
3189 DeviceClass
*dc
= DEVICE_CLASS(oc
);
3191 xcc
->parent_realize
= dc
->realize
;
3192 dc
->realize
= x86_cpu_realizefn
;
3193 dc
->props
= x86_cpu_properties
;
3195 xcc
->parent_reset
= cc
->reset
;
3196 cc
->reset
= x86_cpu_reset
;
3197 cc
->reset_dump_flags
= CPU_DUMP_FPU
| CPU_DUMP_CCOP
;
3199 cc
->class_by_name
= x86_cpu_class_by_name
;
3200 cc
->parse_features
= x86_cpu_parse_featurestr
;
3201 cc
->has_work
= x86_cpu_has_work
;
3202 cc
->do_interrupt
= x86_cpu_do_interrupt
;
3203 cc
->cpu_exec_interrupt
= x86_cpu_exec_interrupt
;
3204 cc
->dump_state
= x86_cpu_dump_state
;
3205 cc
->set_pc
= x86_cpu_set_pc
;
3206 cc
->synchronize_from_tb
= x86_cpu_synchronize_from_tb
;
3207 cc
->gdb_read_register
= x86_cpu_gdb_read_register
;
3208 cc
->gdb_write_register
= x86_cpu_gdb_write_register
;
3209 cc
->get_arch_id
= x86_cpu_get_arch_id
;
3210 cc
->get_paging_enabled
= x86_cpu_get_paging_enabled
;
3211 #ifdef CONFIG_USER_ONLY
3212 cc
->handle_mmu_fault
= x86_cpu_handle_mmu_fault
;
3214 cc
->get_memory_mapping
= x86_cpu_get_memory_mapping
;
3215 cc
->get_phys_page_debug
= x86_cpu_get_phys_page_debug
;
3216 cc
->write_elf64_note
= x86_cpu_write_elf64_note
;
3217 cc
->write_elf64_qemunote
= x86_cpu_write_elf64_qemunote
;
3218 cc
->write_elf32_note
= x86_cpu_write_elf32_note
;
3219 cc
->write_elf32_qemunote
= x86_cpu_write_elf32_qemunote
;
3220 cc
->vmsd
= &vmstate_x86_cpu
;
3222 cc
->gdb_num_core_regs
= CPU_NB_REGS
* 2 + 25;
3223 #ifndef CONFIG_USER_ONLY
3224 cc
->debug_excp_handler
= breakpoint_handler
;
3226 cc
->cpu_exec_enter
= x86_cpu_exec_enter
;
3227 cc
->cpu_exec_exit
= x86_cpu_exec_exit
;
3230 * Reason: x86_cpu_initfn() calls cpu_exec_init(), which saves the
3231 * object in cpus -> dangling pointer after final object_unref().
3233 dc
->cannot_destroy_with_object_finalize_yet
= true;
3236 static const TypeInfo x86_cpu_type_info
= {
3237 .name
= TYPE_X86_CPU
,
3239 .instance_size
= sizeof(X86CPU
),
3240 .instance_init
= x86_cpu_initfn
,
3242 .class_size
= sizeof(X86CPUClass
),
3243 .class_init
= x86_cpu_common_class_init
,
3246 static void x86_cpu_register_types(void)
3250 type_register_static(&x86_cpu_type_info
);
3251 for (i
= 0; i
< ARRAY_SIZE(builtin_x86_defs
); i
++) {
3252 x86_register_cpudef_type(&builtin_x86_defs
[i
]);
3255 type_register_static(&host_x86_cpu_type_info
);
3259 type_init(x86_cpu_register_types
)