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/>.
19 #include "qemu/osdep.h"
20 #include "qemu/cutils.h"
23 #include "sysemu/kvm.h"
24 #include "sysemu/cpus.h"
27 #include "qemu/error-report.h"
28 #include "qemu/option.h"
29 #include "qemu/config-file.h"
30 #include "qapi/qmp/qerror.h"
32 #include "qapi-types.h"
33 #include "qapi-visit.h"
34 #include "qapi/visitor.h"
35 #include "sysemu/arch_init.h"
38 #if defined(CONFIG_KVM)
39 #include <linux/kvm_para.h>
42 #include "sysemu/sysemu.h"
43 #include "hw/qdev-properties.h"
44 #ifndef CONFIG_USER_ONLY
45 #include "exec/address-spaces.h"
46 #include "hw/xen/xen.h"
47 #include "hw/i386/apic_internal.h"
51 /* Cache topology CPUID constants: */
53 /* CPUID Leaf 2 Descriptors */
55 #define CPUID_2_L1D_32KB_8WAY_64B 0x2c
56 #define CPUID_2_L1I_32KB_8WAY_64B 0x30
57 #define CPUID_2_L2_2MB_8WAY_64B 0x7d
60 /* CPUID Leaf 4 constants: */
63 #define CPUID_4_TYPE_DCACHE 1
64 #define CPUID_4_TYPE_ICACHE 2
65 #define CPUID_4_TYPE_UNIFIED 3
67 #define CPUID_4_LEVEL(l) ((l) << 5)
69 #define CPUID_4_SELF_INIT_LEVEL (1 << 8)
70 #define CPUID_4_FULLY_ASSOC (1 << 9)
73 #define CPUID_4_NO_INVD_SHARING (1 << 0)
74 #define CPUID_4_INCLUSIVE (1 << 1)
75 #define CPUID_4_COMPLEX_IDX (1 << 2)
77 #define ASSOC_FULL 0xFF
79 /* AMD associativity encoding used on CPUID Leaf 0x80000006: */
80 #define AMD_ENC_ASSOC(a) (a <= 1 ? a : \
90 a == ASSOC_FULL ? 0xF : \
91 0 /* invalid value */)
94 /* Definitions of the hardcoded cache entries we expose: */
97 #define L1D_LINE_SIZE 64
98 #define L1D_ASSOCIATIVITY 8
100 #define L1D_PARTITIONS 1
101 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */
102 #define L1D_DESCRIPTOR CPUID_2_L1D_32KB_8WAY_64B
103 /*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
104 #define L1D_LINES_PER_TAG 1
105 #define L1D_SIZE_KB_AMD 64
106 #define L1D_ASSOCIATIVITY_AMD 2
108 /* L1 instruction cache: */
109 #define L1I_LINE_SIZE 64
110 #define L1I_ASSOCIATIVITY 8
112 #define L1I_PARTITIONS 1
113 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */
114 #define L1I_DESCRIPTOR CPUID_2_L1I_32KB_8WAY_64B
115 /*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
116 #define L1I_LINES_PER_TAG 1
117 #define L1I_SIZE_KB_AMD 64
118 #define L1I_ASSOCIATIVITY_AMD 2
120 /* Level 2 unified cache: */
121 #define L2_LINE_SIZE 64
122 #define L2_ASSOCIATIVITY 16
124 #define L2_PARTITIONS 1
125 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 4MiB */
126 /*FIXME: CPUID leaf 2 descriptor is inconsistent with CPUID leaf 4 */
127 #define L2_DESCRIPTOR CPUID_2_L2_2MB_8WAY_64B
128 /*FIXME: CPUID leaf 0x80000006 is inconsistent with leaves 2 & 4 */
129 #define L2_LINES_PER_TAG 1
130 #define L2_SIZE_KB_AMD 512
133 #define L3_SIZE_KB 0 /* disabled */
134 #define L3_ASSOCIATIVITY 0 /* disabled */
135 #define L3_LINES_PER_TAG 0 /* disabled */
136 #define L3_LINE_SIZE 0 /* disabled */
138 /* TLB definitions: */
140 #define L1_DTLB_2M_ASSOC 1
141 #define L1_DTLB_2M_ENTRIES 255
142 #define L1_DTLB_4K_ASSOC 1
143 #define L1_DTLB_4K_ENTRIES 255
145 #define L1_ITLB_2M_ASSOC 1
146 #define L1_ITLB_2M_ENTRIES 255
147 #define L1_ITLB_4K_ASSOC 1
148 #define L1_ITLB_4K_ENTRIES 255
150 #define L2_DTLB_2M_ASSOC 0 /* disabled */
151 #define L2_DTLB_2M_ENTRIES 0 /* disabled */
152 #define L2_DTLB_4K_ASSOC 4
153 #define L2_DTLB_4K_ENTRIES 512
155 #define L2_ITLB_2M_ASSOC 0 /* disabled */
156 #define L2_ITLB_2M_ENTRIES 0 /* disabled */
157 #define L2_ITLB_4K_ASSOC 4
158 #define L2_ITLB_4K_ENTRIES 512
162 static void x86_cpu_vendor_words2str(char *dst
, uint32_t vendor1
,
163 uint32_t vendor2
, uint32_t vendor3
)
166 for (i
= 0; i
< 4; i
++) {
167 dst
[i
] = vendor1
>> (8 * i
);
168 dst
[i
+ 4] = vendor2
>> (8 * i
);
169 dst
[i
+ 8] = vendor3
>> (8 * i
);
171 dst
[CPUID_VENDOR_SZ
] = '\0';
174 /* feature flags taken from "Intel Processor Identification and the CPUID
175 * Instruction" and AMD's "CPUID Specification". In cases of disagreement
176 * between feature naming conventions, aliases may be added.
178 static const char *feature_name
[] = {
179 "fpu", "vme", "de", "pse",
180 "tsc", "msr", "pae", "mce",
181 "cx8", "apic", NULL
, "sep",
182 "mtrr", "pge", "mca", "cmov",
183 "pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */,
184 NULL
, "ds" /* Intel dts */, "acpi", "mmx",
185 "fxsr", "sse", "sse2", "ss",
186 "ht" /* Intel htt */, "tm", "ia64", "pbe",
188 static const char *ext_feature_name
[] = {
189 "pni|sse3" /* Intel,AMD sse3 */, "pclmulqdq|pclmuldq", "dtes64", "monitor",
190 "ds_cpl", "vmx", "smx", "est",
191 "tm2", "ssse3", "cid", NULL
,
192 "fma", "cx16", "xtpr", "pdcm",
193 NULL
, "pcid", "dca", "sse4.1|sse4_1",
194 "sse4.2|sse4_2", "x2apic", "movbe", "popcnt",
195 "tsc-deadline", "aes", "xsave", "osxsave",
196 "avx", "f16c", "rdrand", "hypervisor",
198 /* Feature names that are already defined on feature_name[] but are set on
199 * CPUID[8000_0001].EDX on AMD CPUs don't have their names on
200 * ext2_feature_name[]. They are copied automatically to cpuid_ext2_features
201 * if and only if CPU vendor is AMD.
203 static const char *ext2_feature_name
[] = {
204 NULL
/* fpu */, NULL
/* vme */, NULL
/* de */, NULL
/* pse */,
205 NULL
/* tsc */, NULL
/* msr */, NULL
/* pae */, NULL
/* mce */,
206 NULL
/* cx8 */ /* AMD CMPXCHG8B */, NULL
/* apic */, NULL
, "syscall",
207 NULL
/* mtrr */, NULL
/* pge */, NULL
/* mca */, NULL
/* cmov */,
208 NULL
/* pat */, NULL
/* pse36 */, NULL
, NULL
/* Linux mp */,
209 "nx|xd", NULL
, "mmxext", NULL
/* mmx */,
210 NULL
/* fxsr */, "fxsr_opt|ffxsr", "pdpe1gb" /* AMD Page1GB */, "rdtscp",
211 NULL
, "lm|i64", "3dnowext", "3dnow",
213 static const char *ext3_feature_name
[] = {
214 "lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */,
215 "cr8legacy" /* AMD AltMovCr8 */, "abm", "sse4a", "misalignsse",
216 "3dnowprefetch", "osvw", "ibs", "xop",
217 "skinit", "wdt", NULL
, "lwp",
218 "fma4", "tce", NULL
, "nodeid_msr",
219 NULL
, "tbm", "topoext", "perfctr_core",
220 "perfctr_nb", NULL
, NULL
, NULL
,
221 NULL
, NULL
, NULL
, NULL
,
224 static const char *ext4_feature_name
[] = {
225 NULL
, NULL
, "xstore", "xstore-en",
226 NULL
, NULL
, "xcrypt", "xcrypt-en",
227 "ace2", "ace2-en", "phe", "phe-en",
228 "pmm", "pmm-en", NULL
, NULL
,
229 NULL
, NULL
, NULL
, NULL
,
230 NULL
, NULL
, NULL
, NULL
,
231 NULL
, NULL
, NULL
, NULL
,
232 NULL
, NULL
, NULL
, NULL
,
235 static const char *kvm_feature_name
[] = {
236 "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock",
237 "kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", "kvm_pv_unhalt",
238 NULL
, NULL
, NULL
, NULL
,
239 NULL
, NULL
, NULL
, NULL
,
240 NULL
, NULL
, NULL
, NULL
,
241 NULL
, NULL
, NULL
, NULL
,
242 "kvmclock-stable-bit", NULL
, NULL
, NULL
,
243 NULL
, NULL
, NULL
, NULL
,
246 static const char *svm_feature_name
[] = {
247 "npt", "lbrv", "svm_lock", "nrip_save",
248 "tsc_scale", "vmcb_clean", "flushbyasid", "decodeassists",
249 NULL
, NULL
, "pause_filter", NULL
,
250 "pfthreshold", NULL
, NULL
, NULL
,
251 NULL
, NULL
, NULL
, NULL
,
252 NULL
, NULL
, NULL
, NULL
,
253 NULL
, NULL
, NULL
, NULL
,
254 NULL
, NULL
, NULL
, NULL
,
257 static const char *cpuid_7_0_ebx_feature_name
[] = {
258 "fsgsbase", "tsc_adjust", NULL
, "bmi1", "hle", "avx2", NULL
, "smep",
259 "bmi2", "erms", "invpcid", "rtm", NULL
, NULL
, "mpx", NULL
,
260 "avx512f", NULL
, "rdseed", "adx", "smap", NULL
, "pcommit", "clflushopt",
261 "clwb", NULL
, "avx512pf", "avx512er", "avx512cd", NULL
, NULL
, NULL
,
264 static const char *cpuid_7_0_ecx_feature_name
[] = {
265 NULL
, NULL
, NULL
, "pku",
266 "ospke", NULL
, NULL
, NULL
,
267 NULL
, NULL
, NULL
, NULL
,
268 NULL
, NULL
, NULL
, NULL
,
269 NULL
, NULL
, NULL
, NULL
,
270 NULL
, NULL
, NULL
, NULL
,
271 NULL
, NULL
, NULL
, NULL
,
272 NULL
, NULL
, NULL
, NULL
,
275 static const char *cpuid_apm_edx_feature_name
[] = {
276 NULL
, NULL
, NULL
, NULL
,
277 NULL
, NULL
, NULL
, NULL
,
278 "invtsc", NULL
, NULL
, NULL
,
279 NULL
, NULL
, NULL
, NULL
,
280 NULL
, NULL
, NULL
, NULL
,
281 NULL
, NULL
, NULL
, NULL
,
282 NULL
, NULL
, NULL
, NULL
,
283 NULL
, NULL
, NULL
, NULL
,
286 static const char *cpuid_xsave_feature_name
[] = {
287 "xsaveopt", "xsavec", "xgetbv1", "xsaves",
288 NULL
, NULL
, NULL
, NULL
,
289 NULL
, NULL
, NULL
, NULL
,
290 NULL
, NULL
, NULL
, NULL
,
291 NULL
, NULL
, NULL
, NULL
,
292 NULL
, NULL
, NULL
, NULL
,
293 NULL
, NULL
, NULL
, NULL
,
294 NULL
, NULL
, NULL
, NULL
,
297 static const char *cpuid_6_feature_name
[] = {
298 NULL
, NULL
, "arat", NULL
,
299 NULL
, NULL
, NULL
, NULL
,
300 NULL
, NULL
, NULL
, 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
,
308 #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
309 #define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
310 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
311 #define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
312 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
313 CPUID_PSE36 | CPUID_FXSR)
314 #define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
315 #define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
316 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
317 CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
318 CPUID_PAE | CPUID_SEP | CPUID_APIC)
320 #define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
321 CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
322 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
323 CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
324 CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS | CPUID_DE)
325 /* partly implemented:
326 CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64) */
328 CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
329 #define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \
330 CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \
331 CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \
332 CPUID_EXT_XSAVE | /* CPUID_EXT_OSXSAVE is dynamic */ \
333 CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR)
335 CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_SMX,
336 CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_CID, CPUID_EXT_FMA,
337 CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_PCID, CPUID_EXT_DCA,
338 CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER, CPUID_EXT_AVX,
339 CPUID_EXT_F16C, CPUID_EXT_RDRAND */
342 #define TCG_EXT2_X86_64_FEATURES (CPUID_EXT2_SYSCALL | CPUID_EXT2_LM)
344 #define TCG_EXT2_X86_64_FEATURES 0
347 #define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
348 CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
349 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB | \
350 TCG_EXT2_X86_64_FEATURES)
351 #define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
352 CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
353 #define TCG_EXT4_FEATURES 0
354 #define TCG_SVM_FEATURES 0
355 #define TCG_KVM_FEATURES 0
356 #define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP | \
357 CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX | \
358 CPUID_7_0_EBX_PCOMMIT | CPUID_7_0_EBX_CLFLUSHOPT | \
359 CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_FSGSBASE)
361 CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,
362 CPUID_7_0_EBX_ERMS, CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
363 CPUID_7_0_EBX_RDSEED */
364 #define TCG_7_0_ECX_FEATURES (CPUID_7_0_ECX_PKU | CPUID_7_0_ECX_OSPKE)
365 #define TCG_APM_FEATURES 0
366 #define TCG_6_EAX_FEATURES CPUID_6_EAX_ARAT
367 #define TCG_XSAVE_FEATURES (CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XGETBV1)
369 CPUID_XSAVE_XSAVEC, CPUID_XSAVE_XSAVES */
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,
443 .tcg_features
= TCG_XSAVE_FEATURES
,
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 const ExtSaveArea x86_ext_save_areas
[] = {
475 { .feature
= FEAT_1_ECX
, .bits
= CPUID_EXT_AVX
,
476 .offset
= 0x240, .size
= 0x100 },
477 [XSTATE_BNDREGS_BIT
] =
478 { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_MPX
,
479 .offset
= 0x3c0, .size
= 0x40 },
480 [XSTATE_BNDCSR_BIT
] =
481 { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_MPX
,
482 .offset
= 0x400, .size
= 0x40 },
483 [XSTATE_OPMASK_BIT
] =
484 { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_AVX512F
,
485 .offset
= 0x440, .size
= 0x40 },
486 [XSTATE_ZMM_Hi256_BIT
] =
487 { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_AVX512F
,
488 .offset
= 0x480, .size
= 0x200 },
489 [XSTATE_Hi16_ZMM_BIT
] =
490 { .feature
= FEAT_7_0_EBX
, .bits
= CPUID_7_0_EBX_AVX512F
,
491 .offset
= 0x680, .size
= 0x400 },
493 { .feature
= FEAT_7_0_ECX
, .bits
= CPUID_7_0_ECX_PKU
,
494 .offset
= 0xA80, .size
= 0x8 },
497 const char *get_register_name_32(unsigned int reg
)
499 if (reg
>= CPU_NB_REGS32
) {
502 return x86_reg_info_32
[reg
].name
;
506 * Returns the set of feature flags that are supported and migratable by
507 * QEMU, for a given FeatureWord.
509 static uint32_t x86_cpu_get_migratable_flags(FeatureWord w
)
511 FeatureWordInfo
*wi
= &feature_word_info
[w
];
515 for (i
= 0; i
< 32; i
++) {
516 uint32_t f
= 1U << i
;
517 /* If the feature name is unknown, it is not supported by QEMU yet */
518 if (!wi
->feat_names
[i
]) {
521 /* Skip features known to QEMU, but explicitly marked as unmigratable */
522 if (wi
->unmigratable_flags
& f
) {
530 void host_cpuid(uint32_t function
, uint32_t count
,
531 uint32_t *eax
, uint32_t *ebx
, uint32_t *ecx
, uint32_t *edx
)
537 : "=a"(vec
[0]), "=b"(vec
[1]),
538 "=c"(vec
[2]), "=d"(vec
[3])
539 : "0"(function
), "c"(count
) : "cc");
540 #elif defined(__i386__)
541 asm volatile("pusha \n\t"
543 "mov %%eax, 0(%2) \n\t"
544 "mov %%ebx, 4(%2) \n\t"
545 "mov %%ecx, 8(%2) \n\t"
546 "mov %%edx, 12(%2) \n\t"
548 : : "a"(function
), "c"(count
), "S"(vec
)
564 #define iswhite(c) ((c) && ((c) <= ' ' || '~' < (c)))
566 /* general substring compare of *[s1..e1) and *[s2..e2). sx is start of
567 * a substring. ex if !NULL points to the first char after a substring,
568 * otherwise the string is assumed to sized by a terminating nul.
569 * Return lexical ordering of *s1:*s2.
571 static int sstrcmp(const char *s1
, const char *e1
,
572 const char *s2
, const char *e2
)
575 if (!*s1
|| !*s2
|| *s1
!= *s2
)
578 if (s1
== e1
&& s2
== e2
)
587 /* compare *[s..e) to *altstr. *altstr may be a simple string or multiple
588 * '|' delimited (possibly empty) strings in which case search for a match
589 * within the alternatives proceeds left to right. Return 0 for success,
590 * non-zero otherwise.
592 static int altcmp(const char *s
, const char *e
, const char *altstr
)
596 for (q
= p
= altstr
; ; ) {
597 while (*p
&& *p
!= '|')
599 if ((q
== p
&& !*s
) || (q
!= p
&& !sstrcmp(s
, e
, q
, p
)))
608 /* search featureset for flag *[s..e), if found set corresponding bit in
609 * *pval and return true, otherwise return false
611 static bool lookup_feature(uint32_t *pval
, const char *s
, const char *e
,
612 const char **featureset
)
618 for (mask
= 1, ppc
= featureset
; mask
; mask
<<= 1, ++ppc
) {
619 if (*ppc
&& !altcmp(s
, e
, *ppc
)) {
627 static void add_flagname_to_bitmaps(const char *flagname
,
628 FeatureWordArray words
,
632 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
633 FeatureWordInfo
*wi
= &feature_word_info
[w
];
634 if (wi
->feat_names
&&
635 lookup_feature(&words
[w
], flagname
, NULL
, wi
->feat_names
)) {
639 if (w
== FEATURE_WORDS
) {
640 error_setg(errp
, "CPU feature %s not found", flagname
);
644 /* CPU class name definitions: */
646 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
647 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
649 /* Return type name for a given CPU model name
650 * Caller is responsible for freeing the returned string.
652 static char *x86_cpu_type_name(const char *model_name
)
654 return g_strdup_printf(X86_CPU_TYPE_NAME("%s"), model_name
);
657 static ObjectClass
*x86_cpu_class_by_name(const char *cpu_model
)
662 if (cpu_model
== NULL
) {
666 typename
= x86_cpu_type_name(cpu_model
);
667 oc
= object_class_by_name(typename
);
672 struct X86CPUDefinition
{
677 /* vendor is zero-terminated, 12 character ASCII string */
678 char vendor
[CPUID_VENDOR_SZ
+ 1];
682 FeatureWordArray features
;
686 static X86CPUDefinition builtin_x86_defs
[] = {
690 .vendor
= CPUID_VENDOR_AMD
,
694 .features
[FEAT_1_EDX
] =
696 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
|
698 .features
[FEAT_1_ECX
] =
699 CPUID_EXT_SSE3
| CPUID_EXT_CX16
,
700 .features
[FEAT_8000_0001_EDX
] =
701 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
702 .features
[FEAT_8000_0001_ECX
] =
703 CPUID_EXT3_LAHF_LM
| CPUID_EXT3_SVM
,
704 .xlevel
= 0x8000000A,
709 .vendor
= CPUID_VENDOR_AMD
,
713 /* Missing: CPUID_HT */
714 .features
[FEAT_1_EDX
] =
716 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
|
717 CPUID_PSE36
| CPUID_VME
,
718 .features
[FEAT_1_ECX
] =
719 CPUID_EXT_SSE3
| CPUID_EXT_MONITOR
| CPUID_EXT_CX16
|
721 .features
[FEAT_8000_0001_EDX
] =
722 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
|
723 CPUID_EXT2_3DNOW
| CPUID_EXT2_3DNOWEXT
| CPUID_EXT2_MMXEXT
|
724 CPUID_EXT2_FFXSR
| CPUID_EXT2_PDPE1GB
| CPUID_EXT2_RDTSCP
,
725 /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
727 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
728 CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
729 .features
[FEAT_8000_0001_ECX
] =
730 CPUID_EXT3_LAHF_LM
| CPUID_EXT3_SVM
|
731 CPUID_EXT3_ABM
| CPUID_EXT3_SSE4A
,
732 /* Missing: CPUID_SVM_LBRV */
733 .features
[FEAT_SVM
] =
735 .xlevel
= 0x8000001A,
736 .model_id
= "AMD Phenom(tm) 9550 Quad-Core Processor"
741 .vendor
= CPUID_VENDOR_INTEL
,
745 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
746 .features
[FEAT_1_EDX
] =
748 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
|
749 CPUID_PSE36
| CPUID_VME
| CPUID_ACPI
| CPUID_SS
,
750 /* Missing: CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_EST,
751 * CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_VMX */
752 .features
[FEAT_1_ECX
] =
753 CPUID_EXT_SSE3
| CPUID_EXT_MONITOR
| CPUID_EXT_SSSE3
|
755 .features
[FEAT_8000_0001_EDX
] =
756 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
757 .features
[FEAT_8000_0001_ECX
] =
759 .xlevel
= 0x80000008,
760 .model_id
= "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz",
765 .vendor
= CPUID_VENDOR_INTEL
,
769 /* Missing: CPUID_HT */
770 .features
[FEAT_1_EDX
] =
771 PPRO_FEATURES
| CPUID_VME
|
772 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
|
774 /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
775 .features
[FEAT_1_ECX
] =
776 CPUID_EXT_SSE3
| CPUID_EXT_CX16
,
777 /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
778 .features
[FEAT_8000_0001_EDX
] =
779 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
780 /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
781 CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
782 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
783 CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
784 .features
[FEAT_8000_0001_ECX
] =
786 .xlevel
= 0x80000008,
787 .model_id
= "Common KVM processor"
792 .vendor
= CPUID_VENDOR_INTEL
,
796 .features
[FEAT_1_EDX
] =
798 .features
[FEAT_1_ECX
] =
800 .xlevel
= 0x80000004,
805 .vendor
= CPUID_VENDOR_INTEL
,
809 .features
[FEAT_1_EDX
] =
810 PPRO_FEATURES
| CPUID_VME
|
811 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
| CPUID_PSE36
,
812 .features
[FEAT_1_ECX
] =
814 .features
[FEAT_8000_0001_ECX
] =
816 .xlevel
= 0x80000008,
817 .model_id
= "Common 32-bit KVM processor"
822 .vendor
= CPUID_VENDOR_INTEL
,
826 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
827 .features
[FEAT_1_EDX
] =
828 PPRO_FEATURES
| CPUID_VME
|
829 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
| CPUID_ACPI
|
831 /* Missing: CPUID_EXT_EST, CPUID_EXT_TM2 , CPUID_EXT_XTPR,
832 * CPUID_EXT_PDCM, CPUID_EXT_VMX */
833 .features
[FEAT_1_ECX
] =
834 CPUID_EXT_SSE3
| CPUID_EXT_MONITOR
,
835 .features
[FEAT_8000_0001_EDX
] =
837 .xlevel
= 0x80000008,
838 .model_id
= "Genuine Intel(R) CPU T2600 @ 2.16GHz",
843 .vendor
= CPUID_VENDOR_INTEL
,
847 .features
[FEAT_1_EDX
] =
854 .vendor
= CPUID_VENDOR_INTEL
,
858 .features
[FEAT_1_EDX
] =
865 .vendor
= CPUID_VENDOR_INTEL
,
869 .features
[FEAT_1_EDX
] =
876 .vendor
= CPUID_VENDOR_INTEL
,
880 .features
[FEAT_1_EDX
] =
887 .vendor
= CPUID_VENDOR_AMD
,
891 .features
[FEAT_1_EDX
] =
892 PPRO_FEATURES
| CPUID_PSE36
| CPUID_VME
| CPUID_MTRR
|
894 .features
[FEAT_8000_0001_EDX
] =
895 CPUID_EXT2_MMXEXT
| CPUID_EXT2_3DNOW
| CPUID_EXT2_3DNOWEXT
,
896 .xlevel
= 0x80000008,
901 .vendor
= CPUID_VENDOR_INTEL
,
905 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
906 .features
[FEAT_1_EDX
] =
908 CPUID_MTRR
| CPUID_CLFLUSH
| CPUID_MCA
| CPUID_VME
|
909 CPUID_ACPI
| CPUID_SS
,
910 /* Some CPUs got no CPUID_SEP */
911 /* Missing: CPUID_EXT_DSCPL, CPUID_EXT_EST, CPUID_EXT_TM2,
913 .features
[FEAT_1_ECX
] =
914 CPUID_EXT_SSE3
| CPUID_EXT_MONITOR
| CPUID_EXT_SSSE3
|
916 .features
[FEAT_8000_0001_EDX
] =
918 .features
[FEAT_8000_0001_ECX
] =
920 .xlevel
= 0x80000008,
921 .model_id
= "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
926 .vendor
= CPUID_VENDOR_INTEL
,
930 .features
[FEAT_1_EDX
] =
931 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
932 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
933 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
934 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
935 CPUID_DE
| CPUID_FP87
,
936 .features
[FEAT_1_ECX
] =
937 CPUID_EXT_SSSE3
| CPUID_EXT_SSE3
,
938 .features
[FEAT_8000_0001_EDX
] =
939 CPUID_EXT2_LM
| CPUID_EXT2_NX
| CPUID_EXT2_SYSCALL
,
940 .features
[FEAT_8000_0001_ECX
] =
942 .xlevel
= 0x80000008,
943 .model_id
= "Intel Celeron_4x0 (Conroe/Merom Class Core 2)",
948 .vendor
= CPUID_VENDOR_INTEL
,
952 .features
[FEAT_1_EDX
] =
953 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
954 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
955 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
956 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
957 CPUID_DE
| CPUID_FP87
,
958 .features
[FEAT_1_ECX
] =
959 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
961 .features
[FEAT_8000_0001_EDX
] =
962 CPUID_EXT2_LM
| CPUID_EXT2_NX
| CPUID_EXT2_SYSCALL
,
963 .features
[FEAT_8000_0001_ECX
] =
965 .xlevel
= 0x80000008,
966 .model_id
= "Intel Core 2 Duo P9xxx (Penryn Class Core 2)",
971 .vendor
= CPUID_VENDOR_INTEL
,
975 .features
[FEAT_1_EDX
] =
976 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
977 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
978 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
979 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
980 CPUID_DE
| CPUID_FP87
,
981 .features
[FEAT_1_ECX
] =
982 CPUID_EXT_POPCNT
| CPUID_EXT_SSE42
| CPUID_EXT_SSE41
|
983 CPUID_EXT_CX16
| CPUID_EXT_SSSE3
| CPUID_EXT_SSE3
,
984 .features
[FEAT_8000_0001_EDX
] =
985 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
986 .features
[FEAT_8000_0001_ECX
] =
988 .xlevel
= 0x80000008,
989 .model_id
= "Intel Core i7 9xx (Nehalem Class Core i7)",
994 .vendor
= CPUID_VENDOR_INTEL
,
998 .features
[FEAT_1_EDX
] =
999 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1000 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1001 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1002 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1003 CPUID_DE
| CPUID_FP87
,
1004 .features
[FEAT_1_ECX
] =
1005 CPUID_EXT_AES
| CPUID_EXT_POPCNT
| CPUID_EXT_SSE42
|
1006 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1007 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
,
1008 .features
[FEAT_8000_0001_EDX
] =
1009 CPUID_EXT2_LM
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_NX
,
1010 .features
[FEAT_8000_0001_ECX
] =
1012 .features
[FEAT_6_EAX
] =
1014 .xlevel
= 0x80000008,
1015 .model_id
= "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
1018 .name
= "SandyBridge",
1020 .vendor
= CPUID_VENDOR_INTEL
,
1024 .features
[FEAT_1_EDX
] =
1025 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1026 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1027 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1028 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1029 CPUID_DE
| CPUID_FP87
,
1030 .features
[FEAT_1_ECX
] =
1031 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1032 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_POPCNT
|
1033 CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
| CPUID_EXT_SSE41
|
1034 CPUID_EXT_CX16
| CPUID_EXT_SSSE3
| CPUID_EXT_PCLMULQDQ
|
1036 .features
[FEAT_8000_0001_EDX
] =
1037 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1039 .features
[FEAT_8000_0001_ECX
] =
1041 .features
[FEAT_XSAVE
] =
1042 CPUID_XSAVE_XSAVEOPT
,
1043 .features
[FEAT_6_EAX
] =
1045 .xlevel
= 0x80000008,
1046 .model_id
= "Intel Xeon E312xx (Sandy Bridge)",
1049 .name
= "IvyBridge",
1051 .vendor
= CPUID_VENDOR_INTEL
,
1055 .features
[FEAT_1_EDX
] =
1056 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1057 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1058 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1059 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1060 CPUID_DE
| CPUID_FP87
,
1061 .features
[FEAT_1_ECX
] =
1062 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1063 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_POPCNT
|
1064 CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
| CPUID_EXT_SSE41
|
1065 CPUID_EXT_CX16
| CPUID_EXT_SSSE3
| CPUID_EXT_PCLMULQDQ
|
1066 CPUID_EXT_SSE3
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1067 .features
[FEAT_7_0_EBX
] =
1068 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_SMEP
|
1070 .features
[FEAT_8000_0001_EDX
] =
1071 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1073 .features
[FEAT_8000_0001_ECX
] =
1075 .features
[FEAT_XSAVE
] =
1076 CPUID_XSAVE_XSAVEOPT
,
1077 .features
[FEAT_6_EAX
] =
1079 .xlevel
= 0x80000008,
1080 .model_id
= "Intel Xeon E3-12xx v2 (Ivy Bridge)",
1083 .name
= "Haswell-noTSX",
1085 .vendor
= CPUID_VENDOR_INTEL
,
1089 .features
[FEAT_1_EDX
] =
1090 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1091 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1092 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1093 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1094 CPUID_DE
| CPUID_FP87
,
1095 .features
[FEAT_1_ECX
] =
1096 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1097 CPUID_EXT_POPCNT
| CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
|
1098 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1099 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
|
1100 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_FMA
| CPUID_EXT_MOVBE
|
1101 CPUID_EXT_PCID
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1102 .features
[FEAT_8000_0001_EDX
] =
1103 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1105 .features
[FEAT_8000_0001_ECX
] =
1106 CPUID_EXT3_ABM
| CPUID_EXT3_LAHF_LM
,
1107 .features
[FEAT_7_0_EBX
] =
1108 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_BMI1
|
1109 CPUID_7_0_EBX_AVX2
| CPUID_7_0_EBX_SMEP
|
1110 CPUID_7_0_EBX_BMI2
| CPUID_7_0_EBX_ERMS
| CPUID_7_0_EBX_INVPCID
,
1111 .features
[FEAT_XSAVE
] =
1112 CPUID_XSAVE_XSAVEOPT
,
1113 .features
[FEAT_6_EAX
] =
1115 .xlevel
= 0x80000008,
1116 .model_id
= "Intel Core Processor (Haswell, no TSX)",
1120 .vendor
= CPUID_VENDOR_INTEL
,
1124 .features
[FEAT_1_EDX
] =
1125 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1126 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1127 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1128 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1129 CPUID_DE
| CPUID_FP87
,
1130 .features
[FEAT_1_ECX
] =
1131 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1132 CPUID_EXT_POPCNT
| CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
|
1133 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1134 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
|
1135 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_FMA
| CPUID_EXT_MOVBE
|
1136 CPUID_EXT_PCID
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1137 .features
[FEAT_8000_0001_EDX
] =
1138 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1140 .features
[FEAT_8000_0001_ECX
] =
1141 CPUID_EXT3_ABM
| CPUID_EXT3_LAHF_LM
,
1142 .features
[FEAT_7_0_EBX
] =
1143 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_BMI1
|
1144 CPUID_7_0_EBX_HLE
| CPUID_7_0_EBX_AVX2
| CPUID_7_0_EBX_SMEP
|
1145 CPUID_7_0_EBX_BMI2
| CPUID_7_0_EBX_ERMS
| CPUID_7_0_EBX_INVPCID
|
1147 .features
[FEAT_XSAVE
] =
1148 CPUID_XSAVE_XSAVEOPT
,
1149 .features
[FEAT_6_EAX
] =
1151 .xlevel
= 0x80000008,
1152 .model_id
= "Intel Core Processor (Haswell)",
1155 .name
= "Broadwell-noTSX",
1157 .vendor
= CPUID_VENDOR_INTEL
,
1161 .features
[FEAT_1_EDX
] =
1162 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1163 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1164 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1165 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1166 CPUID_DE
| CPUID_FP87
,
1167 .features
[FEAT_1_ECX
] =
1168 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1169 CPUID_EXT_POPCNT
| CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
|
1170 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1171 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
|
1172 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_FMA
| CPUID_EXT_MOVBE
|
1173 CPUID_EXT_PCID
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1174 .features
[FEAT_8000_0001_EDX
] =
1175 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1177 .features
[FEAT_8000_0001_ECX
] =
1178 CPUID_EXT3_ABM
| CPUID_EXT3_LAHF_LM
| CPUID_EXT3_3DNOWPREFETCH
,
1179 .features
[FEAT_7_0_EBX
] =
1180 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_BMI1
|
1181 CPUID_7_0_EBX_AVX2
| CPUID_7_0_EBX_SMEP
|
1182 CPUID_7_0_EBX_BMI2
| CPUID_7_0_EBX_ERMS
| CPUID_7_0_EBX_INVPCID
|
1183 CPUID_7_0_EBX_RDSEED
| CPUID_7_0_EBX_ADX
|
1185 .features
[FEAT_XSAVE
] =
1186 CPUID_XSAVE_XSAVEOPT
,
1187 .features
[FEAT_6_EAX
] =
1189 .xlevel
= 0x80000008,
1190 .model_id
= "Intel Core Processor (Broadwell, no TSX)",
1193 .name
= "Broadwell",
1195 .vendor
= CPUID_VENDOR_INTEL
,
1199 .features
[FEAT_1_EDX
] =
1200 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1201 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1202 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1203 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1204 CPUID_DE
| CPUID_FP87
,
1205 .features
[FEAT_1_ECX
] =
1206 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1207 CPUID_EXT_POPCNT
| CPUID_EXT_X2APIC
| CPUID_EXT_SSE42
|
1208 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_SSSE3
|
1209 CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
|
1210 CPUID_EXT_TSC_DEADLINE_TIMER
| CPUID_EXT_FMA
| CPUID_EXT_MOVBE
|
1211 CPUID_EXT_PCID
| CPUID_EXT_F16C
| CPUID_EXT_RDRAND
,
1212 .features
[FEAT_8000_0001_EDX
] =
1213 CPUID_EXT2_LM
| CPUID_EXT2_RDTSCP
| CPUID_EXT2_NX
|
1215 .features
[FEAT_8000_0001_ECX
] =
1216 CPUID_EXT3_ABM
| CPUID_EXT3_LAHF_LM
| CPUID_EXT3_3DNOWPREFETCH
,
1217 .features
[FEAT_7_0_EBX
] =
1218 CPUID_7_0_EBX_FSGSBASE
| CPUID_7_0_EBX_BMI1
|
1219 CPUID_7_0_EBX_HLE
| CPUID_7_0_EBX_AVX2
| CPUID_7_0_EBX_SMEP
|
1220 CPUID_7_0_EBX_BMI2
| CPUID_7_0_EBX_ERMS
| CPUID_7_0_EBX_INVPCID
|
1221 CPUID_7_0_EBX_RTM
| CPUID_7_0_EBX_RDSEED
| CPUID_7_0_EBX_ADX
|
1223 .features
[FEAT_XSAVE
] =
1224 CPUID_XSAVE_XSAVEOPT
,
1225 .features
[FEAT_6_EAX
] =
1227 .xlevel
= 0x80000008,
1228 .model_id
= "Intel Core Processor (Broadwell)",
1231 .name
= "Opteron_G1",
1233 .vendor
= CPUID_VENDOR_AMD
,
1237 .features
[FEAT_1_EDX
] =
1238 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1239 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1240 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1241 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1242 CPUID_DE
| CPUID_FP87
,
1243 .features
[FEAT_1_ECX
] =
1245 .features
[FEAT_8000_0001_EDX
] =
1246 CPUID_EXT2_LM
| CPUID_EXT2_FXSR
| CPUID_EXT2_MMX
|
1247 CPUID_EXT2_NX
| CPUID_EXT2_PSE36
| CPUID_EXT2_PAT
|
1248 CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
| CPUID_EXT2_PGE
|
1249 CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_APIC
|
1250 CPUID_EXT2_CX8
| CPUID_EXT2_MCE
| CPUID_EXT2_PAE
| CPUID_EXT2_MSR
|
1251 CPUID_EXT2_TSC
| CPUID_EXT2_PSE
| CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1252 .xlevel
= 0x80000008,
1253 .model_id
= "AMD Opteron 240 (Gen 1 Class Opteron)",
1256 .name
= "Opteron_G2",
1258 .vendor
= CPUID_VENDOR_AMD
,
1262 .features
[FEAT_1_EDX
] =
1263 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1264 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1265 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1266 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1267 CPUID_DE
| CPUID_FP87
,
1268 .features
[FEAT_1_ECX
] =
1269 CPUID_EXT_CX16
| CPUID_EXT_SSE3
,
1270 /* Missing: CPUID_EXT2_RDTSCP */
1271 .features
[FEAT_8000_0001_EDX
] =
1272 CPUID_EXT2_LM
| CPUID_EXT2_FXSR
|
1273 CPUID_EXT2_MMX
| CPUID_EXT2_NX
| CPUID_EXT2_PSE36
|
1274 CPUID_EXT2_PAT
| CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
|
1275 CPUID_EXT2_PGE
| CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
|
1276 CPUID_EXT2_APIC
| CPUID_EXT2_CX8
| CPUID_EXT2_MCE
|
1277 CPUID_EXT2_PAE
| CPUID_EXT2_MSR
| CPUID_EXT2_TSC
| CPUID_EXT2_PSE
|
1278 CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1279 .features
[FEAT_8000_0001_ECX
] =
1280 CPUID_EXT3_SVM
| CPUID_EXT3_LAHF_LM
,
1281 .xlevel
= 0x80000008,
1282 .model_id
= "AMD Opteron 22xx (Gen 2 Class Opteron)",
1285 .name
= "Opteron_G3",
1287 .vendor
= CPUID_VENDOR_AMD
,
1291 .features
[FEAT_1_EDX
] =
1292 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1293 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1294 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1295 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1296 CPUID_DE
| CPUID_FP87
,
1297 .features
[FEAT_1_ECX
] =
1298 CPUID_EXT_POPCNT
| CPUID_EXT_CX16
| CPUID_EXT_MONITOR
|
1300 /* Missing: CPUID_EXT2_RDTSCP */
1301 .features
[FEAT_8000_0001_EDX
] =
1302 CPUID_EXT2_LM
| CPUID_EXT2_FXSR
|
1303 CPUID_EXT2_MMX
| CPUID_EXT2_NX
| CPUID_EXT2_PSE36
|
1304 CPUID_EXT2_PAT
| CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
|
1305 CPUID_EXT2_PGE
| CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
|
1306 CPUID_EXT2_APIC
| CPUID_EXT2_CX8
| CPUID_EXT2_MCE
|
1307 CPUID_EXT2_PAE
| CPUID_EXT2_MSR
| CPUID_EXT2_TSC
| CPUID_EXT2_PSE
|
1308 CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1309 .features
[FEAT_8000_0001_ECX
] =
1310 CPUID_EXT3_MISALIGNSSE
| CPUID_EXT3_SSE4A
|
1311 CPUID_EXT3_ABM
| CPUID_EXT3_SVM
| CPUID_EXT3_LAHF_LM
,
1312 .xlevel
= 0x80000008,
1313 .model_id
= "AMD Opteron 23xx (Gen 3 Class Opteron)",
1316 .name
= "Opteron_G4",
1318 .vendor
= CPUID_VENDOR_AMD
,
1322 .features
[FEAT_1_EDX
] =
1323 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1324 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1325 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1326 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1327 CPUID_DE
| CPUID_FP87
,
1328 .features
[FEAT_1_ECX
] =
1329 CPUID_EXT_AVX
| CPUID_EXT_XSAVE
| CPUID_EXT_AES
|
1330 CPUID_EXT_POPCNT
| CPUID_EXT_SSE42
| CPUID_EXT_SSE41
|
1331 CPUID_EXT_CX16
| CPUID_EXT_SSSE3
| CPUID_EXT_PCLMULQDQ
|
1333 /* Missing: CPUID_EXT2_RDTSCP */
1334 .features
[FEAT_8000_0001_EDX
] =
1336 CPUID_EXT2_PDPE1GB
| CPUID_EXT2_FXSR
| CPUID_EXT2_MMX
|
1337 CPUID_EXT2_NX
| CPUID_EXT2_PSE36
| CPUID_EXT2_PAT
|
1338 CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
| CPUID_EXT2_PGE
|
1339 CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_APIC
|
1340 CPUID_EXT2_CX8
| CPUID_EXT2_MCE
| CPUID_EXT2_PAE
| CPUID_EXT2_MSR
|
1341 CPUID_EXT2_TSC
| CPUID_EXT2_PSE
| CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1342 .features
[FEAT_8000_0001_ECX
] =
1343 CPUID_EXT3_FMA4
| CPUID_EXT3_XOP
|
1344 CPUID_EXT3_3DNOWPREFETCH
| CPUID_EXT3_MISALIGNSSE
|
1345 CPUID_EXT3_SSE4A
| CPUID_EXT3_ABM
| CPUID_EXT3_SVM
|
1348 .xlevel
= 0x8000001A,
1349 .model_id
= "AMD Opteron 62xx class CPU",
1352 .name
= "Opteron_G5",
1354 .vendor
= CPUID_VENDOR_AMD
,
1358 .features
[FEAT_1_EDX
] =
1359 CPUID_VME
| CPUID_SSE2
| CPUID_SSE
| CPUID_FXSR
| CPUID_MMX
|
1360 CPUID_CLFLUSH
| CPUID_PSE36
| CPUID_PAT
| CPUID_CMOV
| CPUID_MCA
|
1361 CPUID_PGE
| CPUID_MTRR
| CPUID_SEP
| CPUID_APIC
| CPUID_CX8
|
1362 CPUID_MCE
| CPUID_PAE
| CPUID_MSR
| CPUID_TSC
| CPUID_PSE
|
1363 CPUID_DE
| CPUID_FP87
,
1364 .features
[FEAT_1_ECX
] =
1365 CPUID_EXT_F16C
| CPUID_EXT_AVX
| CPUID_EXT_XSAVE
|
1366 CPUID_EXT_AES
| CPUID_EXT_POPCNT
| CPUID_EXT_SSE42
|
1367 CPUID_EXT_SSE41
| CPUID_EXT_CX16
| CPUID_EXT_FMA
|
1368 CPUID_EXT_SSSE3
| CPUID_EXT_PCLMULQDQ
| CPUID_EXT_SSE3
,
1369 /* Missing: CPUID_EXT2_RDTSCP */
1370 .features
[FEAT_8000_0001_EDX
] =
1372 CPUID_EXT2_PDPE1GB
| CPUID_EXT2_FXSR
| CPUID_EXT2_MMX
|
1373 CPUID_EXT2_NX
| CPUID_EXT2_PSE36
| CPUID_EXT2_PAT
|
1374 CPUID_EXT2_CMOV
| CPUID_EXT2_MCA
| CPUID_EXT2_PGE
|
1375 CPUID_EXT2_MTRR
| CPUID_EXT2_SYSCALL
| CPUID_EXT2_APIC
|
1376 CPUID_EXT2_CX8
| CPUID_EXT2_MCE
| CPUID_EXT2_PAE
| CPUID_EXT2_MSR
|
1377 CPUID_EXT2_TSC
| CPUID_EXT2_PSE
| CPUID_EXT2_DE
| CPUID_EXT2_FPU
,
1378 .features
[FEAT_8000_0001_ECX
] =
1379 CPUID_EXT3_TBM
| CPUID_EXT3_FMA4
| CPUID_EXT3_XOP
|
1380 CPUID_EXT3_3DNOWPREFETCH
| CPUID_EXT3_MISALIGNSSE
|
1381 CPUID_EXT3_SSE4A
| CPUID_EXT3_ABM
| CPUID_EXT3_SVM
|
1384 .xlevel
= 0x8000001A,
1385 .model_id
= "AMD Opteron 63xx class CPU",
1389 typedef struct PropValue
{
1390 const char *prop
, *value
;
1393 /* KVM-specific features that are automatically added/removed
1394 * from all CPU models when KVM is enabled.
1396 static PropValue kvm_default_props
[] = {
1397 { "kvmclock", "on" },
1398 { "kvm-nopiodelay", "on" },
1399 { "kvm-asyncpf", "on" },
1400 { "kvm-steal-time", "on" },
1401 { "kvm-pv-eoi", "on" },
1402 { "kvmclock-stable-bit", "on" },
1405 { "monitor", "off" },
1410 void x86_cpu_change_kvm_default(const char *prop
, const char *value
)
1413 for (pv
= kvm_default_props
; pv
->prop
; pv
++) {
1414 if (!strcmp(pv
->prop
, prop
)) {
1420 /* It is valid to call this function only for properties that
1421 * are already present in the kvm_default_props table.
1426 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w
,
1427 bool migratable_only
);
1431 static int cpu_x86_fill_model_id(char *str
)
1433 uint32_t eax
= 0, ebx
= 0, ecx
= 0, edx
= 0;
1436 for (i
= 0; i
< 3; i
++) {
1437 host_cpuid(0x80000002 + i
, 0, &eax
, &ebx
, &ecx
, &edx
);
1438 memcpy(str
+ i
* 16 + 0, &eax
, 4);
1439 memcpy(str
+ i
* 16 + 4, &ebx
, 4);
1440 memcpy(str
+ i
* 16 + 8, &ecx
, 4);
1441 memcpy(str
+ i
* 16 + 12, &edx
, 4);
1446 static X86CPUDefinition host_cpudef
;
1448 static Property host_x86_cpu_properties
[] = {
1449 DEFINE_PROP_BOOL("migratable", X86CPU
, migratable
, true),
1450 DEFINE_PROP_BOOL("host-cache-info", X86CPU
, cache_info_passthrough
, false),
1451 DEFINE_PROP_END_OF_LIST()
1454 /* class_init for the "host" CPU model
1456 * This function may be called before KVM is initialized.
1458 static void host_x86_cpu_class_init(ObjectClass
*oc
, void *data
)
1460 DeviceClass
*dc
= DEVICE_CLASS(oc
);
1461 X86CPUClass
*xcc
= X86_CPU_CLASS(oc
);
1462 uint32_t eax
= 0, ebx
= 0, ecx
= 0, edx
= 0;
1464 xcc
->kvm_required
= true;
1466 host_cpuid(0x0, 0, &eax
, &ebx
, &ecx
, &edx
);
1467 x86_cpu_vendor_words2str(host_cpudef
.vendor
, ebx
, edx
, ecx
);
1469 host_cpuid(0x1, 0, &eax
, &ebx
, &ecx
, &edx
);
1470 host_cpudef
.family
= ((eax
>> 8) & 0x0F) + ((eax
>> 20) & 0xFF);
1471 host_cpudef
.model
= ((eax
>> 4) & 0x0F) | ((eax
& 0xF0000) >> 12);
1472 host_cpudef
.stepping
= eax
& 0x0F;
1474 cpu_x86_fill_model_id(host_cpudef
.model_id
);
1476 xcc
->cpu_def
= &host_cpudef
;
1478 /* level, xlevel, xlevel2, and the feature words are initialized on
1479 * instance_init, because they require KVM to be initialized.
1482 dc
->props
= host_x86_cpu_properties
;
1483 /* Reason: host_x86_cpu_initfn() dies when !kvm_enabled() */
1484 dc
->cannot_destroy_with_object_finalize_yet
= true;
1487 static void host_x86_cpu_initfn(Object
*obj
)
1489 X86CPU
*cpu
= X86_CPU(obj
);
1490 CPUX86State
*env
= &cpu
->env
;
1491 KVMState
*s
= kvm_state
;
1493 assert(kvm_enabled());
1495 /* We can't fill the features array here because we don't know yet if
1496 * "migratable" is true or false.
1498 cpu
->host_features
= true;
1500 env
->cpuid_level
= kvm_arch_get_supported_cpuid(s
, 0x0, 0, R_EAX
);
1501 env
->cpuid_xlevel
= kvm_arch_get_supported_cpuid(s
, 0x80000000, 0, R_EAX
);
1502 env
->cpuid_xlevel2
= kvm_arch_get_supported_cpuid(s
, 0xC0000000, 0, R_EAX
);
1504 object_property_set_bool(OBJECT(cpu
), true, "pmu", &error_abort
);
1507 static const TypeInfo host_x86_cpu_type_info
= {
1508 .name
= X86_CPU_TYPE_NAME("host"),
1509 .parent
= TYPE_X86_CPU
,
1510 .instance_init
= host_x86_cpu_initfn
,
1511 .class_init
= host_x86_cpu_class_init
,
1516 static void report_unavailable_features(FeatureWord w
, uint32_t mask
)
1518 FeatureWordInfo
*f
= &feature_word_info
[w
];
1521 for (i
= 0; i
< 32; ++i
) {
1522 if ((1UL << i
) & mask
) {
1523 const char *reg
= get_register_name_32(f
->cpuid_reg
);
1525 fprintf(stderr
, "warning: %s doesn't support requested feature: "
1526 "CPUID.%02XH:%s%s%s [bit %d]\n",
1527 kvm_enabled() ? "host" : "TCG",
1529 f
->feat_names
[i
] ? "." : "",
1530 f
->feat_names
[i
] ? f
->feat_names
[i
] : "", i
);
1535 static void x86_cpuid_version_get_family(Object
*obj
, Visitor
*v
,
1536 const char *name
, void *opaque
,
1539 X86CPU
*cpu
= X86_CPU(obj
);
1540 CPUX86State
*env
= &cpu
->env
;
1543 value
= (env
->cpuid_version
>> 8) & 0xf;
1545 value
+= (env
->cpuid_version
>> 20) & 0xff;
1547 visit_type_int(v
, name
, &value
, errp
);
1550 static void x86_cpuid_version_set_family(Object
*obj
, Visitor
*v
,
1551 const char *name
, void *opaque
,
1554 X86CPU
*cpu
= X86_CPU(obj
);
1555 CPUX86State
*env
= &cpu
->env
;
1556 const int64_t min
= 0;
1557 const int64_t max
= 0xff + 0xf;
1558 Error
*local_err
= NULL
;
1561 visit_type_int(v
, name
, &value
, &local_err
);
1563 error_propagate(errp
, local_err
);
1566 if (value
< min
|| value
> max
) {
1567 error_setg(errp
, QERR_PROPERTY_VALUE_OUT_OF_RANGE
, "",
1568 name
? name
: "null", value
, min
, max
);
1572 env
->cpuid_version
&= ~0xff00f00;
1574 env
->cpuid_version
|= 0xf00 | ((value
- 0x0f) << 20);
1576 env
->cpuid_version
|= value
<< 8;
1580 static void x86_cpuid_version_get_model(Object
*obj
, Visitor
*v
,
1581 const char *name
, void *opaque
,
1584 X86CPU
*cpu
= X86_CPU(obj
);
1585 CPUX86State
*env
= &cpu
->env
;
1588 value
= (env
->cpuid_version
>> 4) & 0xf;
1589 value
|= ((env
->cpuid_version
>> 16) & 0xf) << 4;
1590 visit_type_int(v
, name
, &value
, errp
);
1593 static void x86_cpuid_version_set_model(Object
*obj
, Visitor
*v
,
1594 const char *name
, void *opaque
,
1597 X86CPU
*cpu
= X86_CPU(obj
);
1598 CPUX86State
*env
= &cpu
->env
;
1599 const int64_t min
= 0;
1600 const int64_t max
= 0xff;
1601 Error
*local_err
= NULL
;
1604 visit_type_int(v
, name
, &value
, &local_err
);
1606 error_propagate(errp
, local_err
);
1609 if (value
< min
|| value
> max
) {
1610 error_setg(errp
, QERR_PROPERTY_VALUE_OUT_OF_RANGE
, "",
1611 name
? name
: "null", value
, min
, max
);
1615 env
->cpuid_version
&= ~0xf00f0;
1616 env
->cpuid_version
|= ((value
& 0xf) << 4) | ((value
>> 4) << 16);
1619 static void x86_cpuid_version_get_stepping(Object
*obj
, Visitor
*v
,
1620 const char *name
, void *opaque
,
1623 X86CPU
*cpu
= X86_CPU(obj
);
1624 CPUX86State
*env
= &cpu
->env
;
1627 value
= env
->cpuid_version
& 0xf;
1628 visit_type_int(v
, name
, &value
, errp
);
1631 static void x86_cpuid_version_set_stepping(Object
*obj
, Visitor
*v
,
1632 const char *name
, void *opaque
,
1635 X86CPU
*cpu
= X86_CPU(obj
);
1636 CPUX86State
*env
= &cpu
->env
;
1637 const int64_t min
= 0;
1638 const int64_t max
= 0xf;
1639 Error
*local_err
= NULL
;
1642 visit_type_int(v
, name
, &value
, &local_err
);
1644 error_propagate(errp
, local_err
);
1647 if (value
< min
|| value
> max
) {
1648 error_setg(errp
, QERR_PROPERTY_VALUE_OUT_OF_RANGE
, "",
1649 name
? name
: "null", value
, min
, max
);
1653 env
->cpuid_version
&= ~0xf;
1654 env
->cpuid_version
|= value
& 0xf;
1657 static char *x86_cpuid_get_vendor(Object
*obj
, Error
**errp
)
1659 X86CPU
*cpu
= X86_CPU(obj
);
1660 CPUX86State
*env
= &cpu
->env
;
1663 value
= g_malloc(CPUID_VENDOR_SZ
+ 1);
1664 x86_cpu_vendor_words2str(value
, env
->cpuid_vendor1
, env
->cpuid_vendor2
,
1665 env
->cpuid_vendor3
);
1669 static void x86_cpuid_set_vendor(Object
*obj
, const char *value
,
1672 X86CPU
*cpu
= X86_CPU(obj
);
1673 CPUX86State
*env
= &cpu
->env
;
1676 if (strlen(value
) != CPUID_VENDOR_SZ
) {
1677 error_setg(errp
, QERR_PROPERTY_VALUE_BAD
, "", "vendor", value
);
1681 env
->cpuid_vendor1
= 0;
1682 env
->cpuid_vendor2
= 0;
1683 env
->cpuid_vendor3
= 0;
1684 for (i
= 0; i
< 4; i
++) {
1685 env
->cpuid_vendor1
|= ((uint8_t)value
[i
]) << (8 * i
);
1686 env
->cpuid_vendor2
|= ((uint8_t)value
[i
+ 4]) << (8 * i
);
1687 env
->cpuid_vendor3
|= ((uint8_t)value
[i
+ 8]) << (8 * i
);
1691 static char *x86_cpuid_get_model_id(Object
*obj
, Error
**errp
)
1693 X86CPU
*cpu
= X86_CPU(obj
);
1694 CPUX86State
*env
= &cpu
->env
;
1698 value
= g_malloc(48 + 1);
1699 for (i
= 0; i
< 48; i
++) {
1700 value
[i
] = env
->cpuid_model
[i
>> 2] >> (8 * (i
& 3));
1706 static void x86_cpuid_set_model_id(Object
*obj
, const char *model_id
,
1709 X86CPU
*cpu
= X86_CPU(obj
);
1710 CPUX86State
*env
= &cpu
->env
;
1713 if (model_id
== NULL
) {
1716 len
= strlen(model_id
);
1717 memset(env
->cpuid_model
, 0, 48);
1718 for (i
= 0; i
< 48; i
++) {
1722 c
= (uint8_t)model_id
[i
];
1724 env
->cpuid_model
[i
>> 2] |= c
<< (8 * (i
& 3));
1728 static void x86_cpuid_get_tsc_freq(Object
*obj
, Visitor
*v
, const char *name
,
1729 void *opaque
, Error
**errp
)
1731 X86CPU
*cpu
= X86_CPU(obj
);
1734 value
= cpu
->env
.tsc_khz
* 1000;
1735 visit_type_int(v
, name
, &value
, errp
);
1738 static void x86_cpuid_set_tsc_freq(Object
*obj
, Visitor
*v
, const char *name
,
1739 void *opaque
, Error
**errp
)
1741 X86CPU
*cpu
= X86_CPU(obj
);
1742 const int64_t min
= 0;
1743 const int64_t max
= INT64_MAX
;
1744 Error
*local_err
= NULL
;
1747 visit_type_int(v
, name
, &value
, &local_err
);
1749 error_propagate(errp
, local_err
);
1752 if (value
< min
|| value
> max
) {
1753 error_setg(errp
, QERR_PROPERTY_VALUE_OUT_OF_RANGE
, "",
1754 name
? name
: "null", value
, min
, max
);
1758 cpu
->env
.tsc_khz
= cpu
->env
.user_tsc_khz
= value
/ 1000;
1761 static void x86_cpuid_get_apic_id(Object
*obj
, Visitor
*v
, const char *name
,
1762 void *opaque
, Error
**errp
)
1764 X86CPU
*cpu
= X86_CPU(obj
);
1765 int64_t value
= cpu
->apic_id
;
1767 visit_type_int(v
, name
, &value
, errp
);
1770 static void x86_cpuid_set_apic_id(Object
*obj
, Visitor
*v
, const char *name
,
1771 void *opaque
, Error
**errp
)
1773 X86CPU
*cpu
= X86_CPU(obj
);
1774 DeviceState
*dev
= DEVICE(obj
);
1775 const int64_t min
= 0;
1776 const int64_t max
= UINT32_MAX
;
1777 Error
*error
= NULL
;
1780 if (dev
->realized
) {
1781 error_setg(errp
, "Attempt to set property '%s' on '%s' after "
1782 "it was realized", name
, object_get_typename(obj
));
1786 visit_type_int(v
, name
, &value
, &error
);
1788 error_propagate(errp
, error
);
1791 if (value
< min
|| value
> max
) {
1792 error_setg(errp
, "Property %s.%s doesn't take value %" PRId64
1793 " (minimum: %" PRId64
", maximum: %" PRId64
")" ,
1794 object_get_typename(obj
), name
, value
, min
, max
);
1798 if ((value
!= cpu
->apic_id
) && cpu_exists(value
)) {
1799 error_setg(errp
, "CPU with APIC ID %" PRIi64
" exists", value
);
1802 cpu
->apic_id
= value
;
1805 /* Generic getter for "feature-words" and "filtered-features" properties */
1806 static void x86_cpu_get_feature_words(Object
*obj
, Visitor
*v
,
1807 const char *name
, void *opaque
,
1810 uint32_t *array
= (uint32_t *)opaque
;
1813 X86CPUFeatureWordInfo word_infos
[FEATURE_WORDS
] = { };
1814 X86CPUFeatureWordInfoList list_entries
[FEATURE_WORDS
] = { };
1815 X86CPUFeatureWordInfoList
*list
= NULL
;
1817 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
1818 FeatureWordInfo
*wi
= &feature_word_info
[w
];
1819 X86CPUFeatureWordInfo
*qwi
= &word_infos
[w
];
1820 qwi
->cpuid_input_eax
= wi
->cpuid_eax
;
1821 qwi
->has_cpuid_input_ecx
= wi
->cpuid_needs_ecx
;
1822 qwi
->cpuid_input_ecx
= wi
->cpuid_ecx
;
1823 qwi
->cpuid_register
= x86_reg_info_32
[wi
->cpuid_reg
].qapi_enum
;
1824 qwi
->features
= array
[w
];
1826 /* List will be in reverse order, but order shouldn't matter */
1827 list_entries
[w
].next
= list
;
1828 list_entries
[w
].value
= &word_infos
[w
];
1829 list
= &list_entries
[w
];
1832 visit_type_X86CPUFeatureWordInfoList(v
, "feature-words", &list
, &err
);
1833 error_propagate(errp
, err
);
1836 static void x86_get_hv_spinlocks(Object
*obj
, Visitor
*v
, const char *name
,
1837 void *opaque
, Error
**errp
)
1839 X86CPU
*cpu
= X86_CPU(obj
);
1840 int64_t value
= cpu
->hyperv_spinlock_attempts
;
1842 visit_type_int(v
, name
, &value
, errp
);
1845 static void x86_set_hv_spinlocks(Object
*obj
, Visitor
*v
, const char *name
,
1846 void *opaque
, Error
**errp
)
1848 const int64_t min
= 0xFFF;
1849 const int64_t max
= UINT_MAX
;
1850 X86CPU
*cpu
= X86_CPU(obj
);
1854 visit_type_int(v
, name
, &value
, &err
);
1856 error_propagate(errp
, err
);
1860 if (value
< min
|| value
> max
) {
1861 error_setg(errp
, "Property %s.%s doesn't take value %" PRId64
1862 " (minimum: %" PRId64
", maximum: %" PRId64
")",
1863 object_get_typename(obj
), name
? name
: "null",
1867 cpu
->hyperv_spinlock_attempts
= value
;
1870 static PropertyInfo qdev_prop_spinlocks
= {
1872 .get
= x86_get_hv_spinlocks
,
1873 .set
= x86_set_hv_spinlocks
,
1876 /* Convert all '_' in a feature string option name to '-', to make feature
1877 * name conform to QOM property naming rule, which uses '-' instead of '_'.
1879 static inline void feat2prop(char *s
)
1881 while ((s
= strchr(s
, '_'))) {
1886 /* Parse "+feature,-feature,feature=foo" CPU feature string
1888 static void x86_cpu_parse_featurestr(CPUState
*cs
, char *features
,
1891 X86CPU
*cpu
= X86_CPU(cs
);
1892 char *featurestr
; /* Single 'key=value" string being parsed */
1894 /* Features to be added */
1895 FeatureWordArray plus_features
= { 0 };
1896 /* Features to be removed */
1897 FeatureWordArray minus_features
= { 0 };
1899 CPUX86State
*env
= &cpu
->env
;
1900 Error
*local_err
= NULL
;
1902 featurestr
= features
? strtok(features
, ",") : NULL
;
1904 while (featurestr
) {
1906 if (featurestr
[0] == '+') {
1907 add_flagname_to_bitmaps(featurestr
+ 1, plus_features
, &local_err
);
1908 } else if (featurestr
[0] == '-') {
1909 add_flagname_to_bitmaps(featurestr
+ 1, minus_features
, &local_err
);
1910 } else if ((val
= strchr(featurestr
, '='))) {
1912 feat2prop(featurestr
);
1913 if (!strcmp(featurestr
, "xlevel")) {
1917 numvalue
= strtoul(val
, &err
, 0);
1918 if (!*val
|| *err
) {
1919 error_setg(errp
, "bad numerical value %s", val
);
1922 if (numvalue
< 0x80000000) {
1923 error_report("xlevel value shall always be >= 0x80000000"
1924 ", fixup will be removed in future versions");
1925 numvalue
+= 0x80000000;
1927 snprintf(num
, sizeof(num
), "%" PRIu32
, numvalue
);
1928 object_property_parse(OBJECT(cpu
), num
, featurestr
, &local_err
);
1929 } else if (!strcmp(featurestr
, "tsc-freq")) {
1934 tsc_freq
= qemu_strtosz_suffix_unit(val
, &err
,
1935 QEMU_STRTOSZ_DEFSUFFIX_B
, 1000);
1936 if (tsc_freq
< 0 || *err
) {
1937 error_setg(errp
, "bad numerical value %s", val
);
1940 snprintf(num
, sizeof(num
), "%" PRId64
, tsc_freq
);
1941 object_property_parse(OBJECT(cpu
), num
, "tsc-frequency",
1943 } else if (!strcmp(featurestr
, "hv-spinlocks")) {
1945 const int min
= 0xFFF;
1947 numvalue
= strtoul(val
, &err
, 0);
1948 if (!*val
|| *err
) {
1949 error_setg(errp
, "bad numerical value %s", val
);
1952 if (numvalue
< min
) {
1953 error_report("hv-spinlocks value shall always be >= 0x%x"
1954 ", fixup will be removed in future versions",
1958 snprintf(num
, sizeof(num
), "%" PRId32
, numvalue
);
1959 object_property_parse(OBJECT(cpu
), num
, featurestr
, &local_err
);
1961 object_property_parse(OBJECT(cpu
), val
, featurestr
, &local_err
);
1964 feat2prop(featurestr
);
1965 object_property_parse(OBJECT(cpu
), "on", featurestr
, &local_err
);
1968 error_propagate(errp
, local_err
);
1971 featurestr
= strtok(NULL
, ",");
1974 if (cpu
->host_features
) {
1975 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
1977 x86_cpu_get_supported_feature_word(w
, cpu
->migratable
);
1981 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
1982 env
->features
[w
] |= plus_features
[w
];
1983 env
->features
[w
] &= ~minus_features
[w
];
1987 /* Print all cpuid feature names in featureset
1989 static void listflags(FILE *f
, fprintf_function print
, const char **featureset
)
1994 for (bit
= 0; bit
< 32; bit
++) {
1995 if (featureset
[bit
]) {
1996 print(f
, "%s%s", first
? "" : " ", featureset
[bit
]);
2002 /* generate CPU information. */
2003 void x86_cpu_list(FILE *f
, fprintf_function cpu_fprintf
)
2005 X86CPUDefinition
*def
;
2009 for (i
= 0; i
< ARRAY_SIZE(builtin_x86_defs
); i
++) {
2010 def
= &builtin_x86_defs
[i
];
2011 snprintf(buf
, sizeof(buf
), "%s", def
->name
);
2012 (*cpu_fprintf
)(f
, "x86 %16s %-48s\n", buf
, def
->model_id
);
2015 (*cpu_fprintf
)(f
, "x86 %16s %-48s\n", "host",
2016 "KVM processor with all supported host features "
2017 "(only available in KVM mode)");
2020 (*cpu_fprintf
)(f
, "\nRecognized CPUID flags:\n");
2021 for (i
= 0; i
< ARRAY_SIZE(feature_word_info
); i
++) {
2022 FeatureWordInfo
*fw
= &feature_word_info
[i
];
2024 (*cpu_fprintf
)(f
, " ");
2025 listflags(f
, cpu_fprintf
, fw
->feat_names
);
2026 (*cpu_fprintf
)(f
, "\n");
2030 CpuDefinitionInfoList
*arch_query_cpu_definitions(Error
**errp
)
2032 CpuDefinitionInfoList
*cpu_list
= NULL
;
2033 X86CPUDefinition
*def
;
2036 for (i
= 0; i
< ARRAY_SIZE(builtin_x86_defs
); i
++) {
2037 CpuDefinitionInfoList
*entry
;
2038 CpuDefinitionInfo
*info
;
2040 def
= &builtin_x86_defs
[i
];
2041 info
= g_malloc0(sizeof(*info
));
2042 info
->name
= g_strdup(def
->name
);
2044 entry
= g_malloc0(sizeof(*entry
));
2045 entry
->value
= info
;
2046 entry
->next
= cpu_list
;
2053 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w
,
2054 bool migratable_only
)
2056 FeatureWordInfo
*wi
= &feature_word_info
[w
];
2059 if (kvm_enabled()) {
2060 r
= kvm_arch_get_supported_cpuid(kvm_state
, wi
->cpuid_eax
,
2063 } else if (tcg_enabled()) {
2064 r
= wi
->tcg_features
;
2068 if (migratable_only
) {
2069 r
&= x86_cpu_get_migratable_flags(w
);
2075 * Filters CPU feature words based on host availability of each feature.
2077 * Returns: 0 if all flags are supported by the host, non-zero otherwise.
2079 static int x86_cpu_filter_features(X86CPU
*cpu
)
2081 CPUX86State
*env
= &cpu
->env
;
2085 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
2086 uint32_t host_feat
=
2087 x86_cpu_get_supported_feature_word(w
, cpu
->migratable
);
2088 uint32_t requested_features
= env
->features
[w
];
2089 env
->features
[w
] &= host_feat
;
2090 cpu
->filtered_features
[w
] = requested_features
& ~env
->features
[w
];
2091 if (cpu
->filtered_features
[w
]) {
2092 if (cpu
->check_cpuid
|| cpu
->enforce_cpuid
) {
2093 report_unavailable_features(w
, cpu
->filtered_features
[w
]);
2102 static void x86_cpu_apply_props(X86CPU
*cpu
, PropValue
*props
)
2105 for (pv
= props
; pv
->prop
; pv
++) {
2109 object_property_parse(OBJECT(cpu
), pv
->value
, pv
->prop
,
2114 /* Load data from X86CPUDefinition
2116 static void x86_cpu_load_def(X86CPU
*cpu
, X86CPUDefinition
*def
, Error
**errp
)
2118 CPUX86State
*env
= &cpu
->env
;
2120 char host_vendor
[CPUID_VENDOR_SZ
+ 1];
2123 object_property_set_int(OBJECT(cpu
), def
->level
, "level", errp
);
2124 object_property_set_int(OBJECT(cpu
), def
->family
, "family", errp
);
2125 object_property_set_int(OBJECT(cpu
), def
->model
, "model", errp
);
2126 object_property_set_int(OBJECT(cpu
), def
->stepping
, "stepping", errp
);
2127 object_property_set_int(OBJECT(cpu
), def
->xlevel
, "xlevel", errp
);
2128 object_property_set_int(OBJECT(cpu
), def
->xlevel2
, "xlevel2", errp
);
2129 object_property_set_str(OBJECT(cpu
), def
->model_id
, "model-id", errp
);
2130 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
2131 env
->features
[w
] = def
->features
[w
];
2134 /* Special cases not set in the X86CPUDefinition structs: */
2135 if (kvm_enabled()) {
2136 if (!kvm_irqchip_in_kernel()) {
2137 x86_cpu_change_kvm_default("x2apic", "off");
2140 x86_cpu_apply_props(cpu
, kvm_default_props
);
2143 env
->features
[FEAT_1_ECX
] |= CPUID_EXT_HYPERVISOR
;
2145 /* sysenter isn't supported in compatibility mode on AMD,
2146 * syscall isn't supported in compatibility mode on Intel.
2147 * Normally we advertise the actual CPU vendor, but you can
2148 * override this using the 'vendor' property if you want to use
2149 * KVM's sysenter/syscall emulation in compatibility mode and
2150 * when doing cross vendor migration
2152 vendor
= def
->vendor
;
2153 if (kvm_enabled()) {
2154 uint32_t ebx
= 0, ecx
= 0, edx
= 0;
2155 host_cpuid(0, 0, NULL
, &ebx
, &ecx
, &edx
);
2156 x86_cpu_vendor_words2str(host_vendor
, ebx
, edx
, ecx
);
2157 vendor
= host_vendor
;
2160 object_property_set_str(OBJECT(cpu
), vendor
, "vendor", errp
);
2164 X86CPU
*cpu_x86_create(const char *cpu_model
, Error
**errp
)
2169 gchar
**model_pieces
;
2170 char *name
, *features
;
2171 Error
*error
= NULL
;
2173 model_pieces
= g_strsplit(cpu_model
, ",", 2);
2174 if (!model_pieces
[0]) {
2175 error_setg(&error
, "Invalid/empty CPU model name");
2178 name
= model_pieces
[0];
2179 features
= model_pieces
[1];
2181 oc
= x86_cpu_class_by_name(name
);
2183 error_setg(&error
, "Unable to find CPU definition: %s", name
);
2186 xcc
= X86_CPU_CLASS(oc
);
2188 if (xcc
->kvm_required
&& !kvm_enabled()) {
2189 error_setg(&error
, "CPU model '%s' requires KVM", name
);
2193 cpu
= X86_CPU(object_new(object_class_get_name(oc
)));
2195 x86_cpu_parse_featurestr(CPU(cpu
), features
, &error
);
2201 if (error
!= NULL
) {
2202 error_propagate(errp
, error
);
2204 object_unref(OBJECT(cpu
));
2208 g_strfreev(model_pieces
);
2212 X86CPU
*cpu_x86_init(const char *cpu_model
)
2214 Error
*error
= NULL
;
2217 cpu
= cpu_x86_create(cpu_model
, &error
);
2222 object_property_set_bool(OBJECT(cpu
), true, "realized", &error
);
2226 error_report_err(error
);
2228 object_unref(OBJECT(cpu
));
2235 static void x86_cpu_cpudef_class_init(ObjectClass
*oc
, void *data
)
2237 X86CPUDefinition
*cpudef
= data
;
2238 X86CPUClass
*xcc
= X86_CPU_CLASS(oc
);
2240 xcc
->cpu_def
= cpudef
;
2243 static void x86_register_cpudef_type(X86CPUDefinition
*def
)
2245 char *typename
= x86_cpu_type_name(def
->name
);
2248 .parent
= TYPE_X86_CPU
,
2249 .class_init
= x86_cpu_cpudef_class_init
,
2257 #if !defined(CONFIG_USER_ONLY)
2259 void cpu_clear_apic_feature(CPUX86State
*env
)
2261 env
->features
[FEAT_1_EDX
] &= ~CPUID_APIC
;
2264 #endif /* !CONFIG_USER_ONLY */
2266 /* Initialize list of CPU models, filling some non-static fields if necessary
2268 void x86_cpudef_setup(void)
2271 static const char *model_with_versions
[] = { "qemu32", "qemu64", "athlon" };
2273 for (i
= 0; i
< ARRAY_SIZE(builtin_x86_defs
); ++i
) {
2274 X86CPUDefinition
*def
= &builtin_x86_defs
[i
];
2276 /* Look for specific "cpudef" models that */
2277 /* have the QEMU version in .model_id */
2278 for (j
= 0; j
< ARRAY_SIZE(model_with_versions
); j
++) {
2279 if (strcmp(model_with_versions
[j
], def
->name
) == 0) {
2280 pstrcpy(def
->model_id
, sizeof(def
->model_id
),
2281 "QEMU Virtual CPU version ");
2282 pstrcat(def
->model_id
, sizeof(def
->model_id
),
2290 void cpu_x86_cpuid(CPUX86State
*env
, uint32_t index
, uint32_t count
,
2291 uint32_t *eax
, uint32_t *ebx
,
2292 uint32_t *ecx
, uint32_t *edx
)
2294 X86CPU
*cpu
= x86_env_get_cpu(env
);
2295 CPUState
*cs
= CPU(cpu
);
2297 /* test if maximum index reached */
2298 if (index
& 0x80000000) {
2299 if (index
> env
->cpuid_xlevel
) {
2300 if (env
->cpuid_xlevel2
> 0) {
2301 /* Handle the Centaur's CPUID instruction. */
2302 if (index
> env
->cpuid_xlevel2
) {
2303 index
= env
->cpuid_xlevel2
;
2304 } else if (index
< 0xC0000000) {
2305 index
= env
->cpuid_xlevel
;
2308 /* Intel documentation states that invalid EAX input will
2309 * return the same information as EAX=cpuid_level
2310 * (Intel SDM Vol. 2A - Instruction Set Reference - CPUID)
2312 index
= env
->cpuid_level
;
2316 if (index
> env
->cpuid_level
)
2317 index
= env
->cpuid_level
;
2322 *eax
= env
->cpuid_level
;
2323 *ebx
= env
->cpuid_vendor1
;
2324 *edx
= env
->cpuid_vendor2
;
2325 *ecx
= env
->cpuid_vendor3
;
2328 *eax
= env
->cpuid_version
;
2329 *ebx
= (cpu
->apic_id
<< 24) |
2330 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */
2331 *ecx
= env
->features
[FEAT_1_ECX
];
2332 if ((*ecx
& CPUID_EXT_XSAVE
) && (env
->cr
[4] & CR4_OSXSAVE_MASK
)) {
2333 *ecx
|= CPUID_EXT_OSXSAVE
;
2335 *edx
= env
->features
[FEAT_1_EDX
];
2336 if (cs
->nr_cores
* cs
->nr_threads
> 1) {
2337 *ebx
|= (cs
->nr_cores
* cs
->nr_threads
) << 16;
2342 /* cache info: needed for Pentium Pro compatibility */
2343 if (cpu
->cache_info_passthrough
) {
2344 host_cpuid(index
, 0, eax
, ebx
, ecx
, edx
);
2347 *eax
= 1; /* Number of CPUID[EAX=2] calls required */
2350 *edx
= (L1D_DESCRIPTOR
<< 16) | \
2351 (L1I_DESCRIPTOR
<< 8) | \
2355 /* cache info: needed for Core compatibility */
2356 if (cpu
->cache_info_passthrough
) {
2357 host_cpuid(index
, count
, eax
, ebx
, ecx
, edx
);
2358 *eax
&= ~0xFC000000;
2362 case 0: /* L1 dcache info */
2363 *eax
|= CPUID_4_TYPE_DCACHE
| \
2364 CPUID_4_LEVEL(1) | \
2365 CPUID_4_SELF_INIT_LEVEL
;
2366 *ebx
= (L1D_LINE_SIZE
- 1) | \
2367 ((L1D_PARTITIONS
- 1) << 12) | \
2368 ((L1D_ASSOCIATIVITY
- 1) << 22);
2369 *ecx
= L1D_SETS
- 1;
2370 *edx
= CPUID_4_NO_INVD_SHARING
;
2372 case 1: /* L1 icache info */
2373 *eax
|= CPUID_4_TYPE_ICACHE
| \
2374 CPUID_4_LEVEL(1) | \
2375 CPUID_4_SELF_INIT_LEVEL
;
2376 *ebx
= (L1I_LINE_SIZE
- 1) | \
2377 ((L1I_PARTITIONS
- 1) << 12) | \
2378 ((L1I_ASSOCIATIVITY
- 1) << 22);
2379 *ecx
= L1I_SETS
- 1;
2380 *edx
= CPUID_4_NO_INVD_SHARING
;
2382 case 2: /* L2 cache info */
2383 *eax
|= CPUID_4_TYPE_UNIFIED
| \
2384 CPUID_4_LEVEL(2) | \
2385 CPUID_4_SELF_INIT_LEVEL
;
2386 if (cs
->nr_threads
> 1) {
2387 *eax
|= (cs
->nr_threads
- 1) << 14;
2389 *ebx
= (L2_LINE_SIZE
- 1) | \
2390 ((L2_PARTITIONS
- 1) << 12) | \
2391 ((L2_ASSOCIATIVITY
- 1) << 22);
2393 *edx
= CPUID_4_NO_INVD_SHARING
;
2395 default: /* end of info */
2404 /* QEMU gives out its own APIC IDs, never pass down bits 31..26. */
2405 if ((*eax
& 31) && cs
->nr_cores
> 1) {
2406 *eax
|= (cs
->nr_cores
- 1) << 26;
2410 /* mwait info: needed for Core compatibility */
2411 *eax
= 0; /* Smallest monitor-line size in bytes */
2412 *ebx
= 0; /* Largest monitor-line size in bytes */
2413 *ecx
= CPUID_MWAIT_EMX
| CPUID_MWAIT_IBE
;
2417 /* Thermal and Power Leaf */
2418 *eax
= env
->features
[FEAT_6_EAX
];
2424 /* Structured Extended Feature Flags Enumeration Leaf */
2426 *eax
= 0; /* Maximum ECX value for sub-leaves */
2427 *ebx
= env
->features
[FEAT_7_0_EBX
]; /* Feature flags */
2428 *ecx
= env
->features
[FEAT_7_0_ECX
]; /* Feature flags */
2429 if ((*ecx
& CPUID_7_0_ECX_PKU
) && env
->cr
[4] & CR4_PKE_MASK
) {
2430 *ecx
|= CPUID_7_0_ECX_OSPKE
;
2432 *edx
= 0; /* Reserved */
2441 /* Direct Cache Access Information Leaf */
2442 *eax
= 0; /* Bits 0-31 in DCA_CAP MSR */
2448 /* Architectural Performance Monitoring Leaf */
2449 if (kvm_enabled() && cpu
->enable_pmu
) {
2450 KVMState
*s
= cs
->kvm_state
;
2452 *eax
= kvm_arch_get_supported_cpuid(s
, 0xA, count
, R_EAX
);
2453 *ebx
= kvm_arch_get_supported_cpuid(s
, 0xA, count
, R_EBX
);
2454 *ecx
= kvm_arch_get_supported_cpuid(s
, 0xA, count
, R_ECX
);
2455 *edx
= kvm_arch_get_supported_cpuid(s
, 0xA, count
, R_EDX
);
2464 KVMState
*s
= cs
->kvm_state
;
2468 /* Processor Extended State */
2473 if (!(env
->features
[FEAT_1_ECX
] & CPUID_EXT_XSAVE
)) {
2476 if (kvm_enabled()) {
2477 ena_mask
= kvm_arch_get_supported_cpuid(s
, 0xd, 0, R_EDX
);
2479 ena_mask
|= kvm_arch_get_supported_cpuid(s
, 0xd, 0, R_EAX
);
2486 for (i
= 2; i
< ARRAY_SIZE(x86_ext_save_areas
); i
++) {
2487 const ExtSaveArea
*esa
= &x86_ext_save_areas
[i
];
2488 if ((env
->features
[esa
->feature
] & esa
->bits
) == esa
->bits
2489 && ((ena_mask
>> i
) & 1) != 0) {
2493 *edx
|= 1u << (i
- 32);
2495 *ecx
= MAX(*ecx
, esa
->offset
+ esa
->size
);
2498 *eax
|= ena_mask
& (XSTATE_FP_MASK
| XSTATE_SSE_MASK
);
2500 } else if (count
== 1) {
2501 *eax
= env
->features
[FEAT_XSAVE
];
2502 } else if (count
< ARRAY_SIZE(x86_ext_save_areas
)) {
2503 const ExtSaveArea
*esa
= &x86_ext_save_areas
[count
];
2504 if ((env
->features
[esa
->feature
] & esa
->bits
) == esa
->bits
2505 && ((ena_mask
>> count
) & 1) != 0) {
2513 *eax
= env
->cpuid_xlevel
;
2514 *ebx
= env
->cpuid_vendor1
;
2515 *edx
= env
->cpuid_vendor2
;
2516 *ecx
= env
->cpuid_vendor3
;
2519 *eax
= env
->cpuid_version
;
2521 *ecx
= env
->features
[FEAT_8000_0001_ECX
];
2522 *edx
= env
->features
[FEAT_8000_0001_EDX
];
2524 /* The Linux kernel checks for the CMPLegacy bit and
2525 * discards multiple thread information if it is set.
2526 * So dont set it here for Intel to make Linux guests happy.
2528 if (cs
->nr_cores
* cs
->nr_threads
> 1) {
2529 if (env
->cpuid_vendor1
!= CPUID_VENDOR_INTEL_1
||
2530 env
->cpuid_vendor2
!= CPUID_VENDOR_INTEL_2
||
2531 env
->cpuid_vendor3
!= CPUID_VENDOR_INTEL_3
) {
2532 *ecx
|= 1 << 1; /* CmpLegacy bit */
2539 *eax
= env
->cpuid_model
[(index
- 0x80000002) * 4 + 0];
2540 *ebx
= env
->cpuid_model
[(index
- 0x80000002) * 4 + 1];
2541 *ecx
= env
->cpuid_model
[(index
- 0x80000002) * 4 + 2];
2542 *edx
= env
->cpuid_model
[(index
- 0x80000002) * 4 + 3];
2545 /* cache info (L1 cache) */
2546 if (cpu
->cache_info_passthrough
) {
2547 host_cpuid(index
, 0, eax
, ebx
, ecx
, edx
);
2550 *eax
= (L1_DTLB_2M_ASSOC
<< 24) | (L1_DTLB_2M_ENTRIES
<< 16) | \
2551 (L1_ITLB_2M_ASSOC
<< 8) | (L1_ITLB_2M_ENTRIES
);
2552 *ebx
= (L1_DTLB_4K_ASSOC
<< 24) | (L1_DTLB_4K_ENTRIES
<< 16) | \
2553 (L1_ITLB_4K_ASSOC
<< 8) | (L1_ITLB_4K_ENTRIES
);
2554 *ecx
= (L1D_SIZE_KB_AMD
<< 24) | (L1D_ASSOCIATIVITY_AMD
<< 16) | \
2555 (L1D_LINES_PER_TAG
<< 8) | (L1D_LINE_SIZE
);
2556 *edx
= (L1I_SIZE_KB_AMD
<< 24) | (L1I_ASSOCIATIVITY_AMD
<< 16) | \
2557 (L1I_LINES_PER_TAG
<< 8) | (L1I_LINE_SIZE
);
2560 /* cache info (L2 cache) */
2561 if (cpu
->cache_info_passthrough
) {
2562 host_cpuid(index
, 0, eax
, ebx
, ecx
, edx
);
2565 *eax
= (AMD_ENC_ASSOC(L2_DTLB_2M_ASSOC
) << 28) | \
2566 (L2_DTLB_2M_ENTRIES
<< 16) | \
2567 (AMD_ENC_ASSOC(L2_ITLB_2M_ASSOC
) << 12) | \
2568 (L2_ITLB_2M_ENTRIES
);
2569 *ebx
= (AMD_ENC_ASSOC(L2_DTLB_4K_ASSOC
) << 28) | \
2570 (L2_DTLB_4K_ENTRIES
<< 16) | \
2571 (AMD_ENC_ASSOC(L2_ITLB_4K_ASSOC
) << 12) | \
2572 (L2_ITLB_4K_ENTRIES
);
2573 *ecx
= (L2_SIZE_KB_AMD
<< 16) | \
2574 (AMD_ENC_ASSOC(L2_ASSOCIATIVITY
) << 12) | \
2575 (L2_LINES_PER_TAG
<< 8) | (L2_LINE_SIZE
);
2576 *edx
= ((L3_SIZE_KB
/512) << 18) | \
2577 (AMD_ENC_ASSOC(L3_ASSOCIATIVITY
) << 12) | \
2578 (L3_LINES_PER_TAG
<< 8) | (L3_LINE_SIZE
);
2584 *edx
= env
->features
[FEAT_8000_0007_EDX
];
2587 /* virtual & phys address size in low 2 bytes. */
2588 /* XXX: This value must match the one used in the MMU code. */
2589 if (env
->features
[FEAT_8000_0001_EDX
] & CPUID_EXT2_LM
) {
2590 /* 64 bit processor */
2591 /* XXX: The physical address space is limited to 42 bits in exec.c. */
2592 *eax
= 0x00003028; /* 48 bits virtual, 40 bits physical */
2594 if (env
->features
[FEAT_1_EDX
] & CPUID_PSE36
) {
2595 *eax
= 0x00000024; /* 36 bits physical */
2597 *eax
= 0x00000020; /* 32 bits physical */
2603 if (cs
->nr_cores
* cs
->nr_threads
> 1) {
2604 *ecx
|= (cs
->nr_cores
* cs
->nr_threads
) - 1;
2608 if (env
->features
[FEAT_8000_0001_ECX
] & CPUID_EXT3_SVM
) {
2609 *eax
= 0x00000001; /* SVM Revision */
2610 *ebx
= 0x00000010; /* nr of ASIDs */
2612 *edx
= env
->features
[FEAT_SVM
]; /* optional features */
2621 *eax
= env
->cpuid_xlevel2
;
2627 /* Support for VIA CPU's CPUID instruction */
2628 *eax
= env
->cpuid_version
;
2631 *edx
= env
->features
[FEAT_C000_0001_EDX
];
2636 /* Reserved for the future, and now filled with zero */
2643 /* reserved values: zero */
2652 /* CPUClass::reset() */
2653 static void x86_cpu_reset(CPUState
*s
)
2655 X86CPU
*cpu
= X86_CPU(s
);
2656 X86CPUClass
*xcc
= X86_CPU_GET_CLASS(cpu
);
2657 CPUX86State
*env
= &cpu
->env
;
2662 xcc
->parent_reset(s
);
2664 memset(env
, 0, offsetof(CPUX86State
, cpuid_level
));
2668 env
->old_exception
= -1;
2670 /* init to reset state */
2672 #ifdef CONFIG_SOFTMMU
2673 env
->hflags
|= HF_SOFTMMU_MASK
;
2675 env
->hflags2
|= HF2_GIF_MASK
;
2677 cpu_x86_update_cr0(env
, 0x60000010);
2678 env
->a20_mask
= ~0x0;
2679 env
->smbase
= 0x30000;
2681 env
->idt
.limit
= 0xffff;
2682 env
->gdt
.limit
= 0xffff;
2683 env
->ldt
.limit
= 0xffff;
2684 env
->ldt
.flags
= DESC_P_MASK
| (2 << DESC_TYPE_SHIFT
);
2685 env
->tr
.limit
= 0xffff;
2686 env
->tr
.flags
= DESC_P_MASK
| (11 << DESC_TYPE_SHIFT
);
2688 cpu_x86_load_seg_cache(env
, R_CS
, 0xf000, 0xffff0000, 0xffff,
2689 DESC_P_MASK
| DESC_S_MASK
| DESC_CS_MASK
|
2690 DESC_R_MASK
| DESC_A_MASK
);
2691 cpu_x86_load_seg_cache(env
, R_DS
, 0, 0, 0xffff,
2692 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2694 cpu_x86_load_seg_cache(env
, R_ES
, 0, 0, 0xffff,
2695 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2697 cpu_x86_load_seg_cache(env
, R_SS
, 0, 0, 0xffff,
2698 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2700 cpu_x86_load_seg_cache(env
, R_FS
, 0, 0, 0xffff,
2701 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2703 cpu_x86_load_seg_cache(env
, R_GS
, 0, 0, 0xffff,
2704 DESC_P_MASK
| DESC_S_MASK
| DESC_W_MASK
|
2708 env
->regs
[R_EDX
] = env
->cpuid_version
;
2713 for (i
= 0; i
< 8; i
++) {
2716 cpu_set_fpuc(env
, 0x37f);
2718 env
->mxcsr
= 0x1f80;
2719 /* All units are in INIT state. */
2722 env
->pat
= 0x0007040600070406ULL
;
2723 env
->msr_ia32_misc_enable
= MSR_IA32_MISC_ENABLE_DEFAULT
;
2725 memset(env
->dr
, 0, sizeof(env
->dr
));
2726 env
->dr
[6] = DR6_FIXED_1
;
2727 env
->dr
[7] = DR7_FIXED_1
;
2728 cpu_breakpoint_remove_all(s
, BP_CPU
);
2729 cpu_watchpoint_remove_all(s
, BP_CPU
);
2732 xcr0
= XSTATE_FP_MASK
;
2734 #ifdef CONFIG_USER_ONLY
2735 /* Enable all the features for user-mode. */
2736 if (env
->features
[FEAT_1_EDX
] & CPUID_SSE
) {
2737 xcr0
|= XSTATE_SSE_MASK
;
2739 for (i
= 2; i
< ARRAY_SIZE(x86_ext_save_areas
); i
++) {
2740 const ExtSaveArea
*esa
= &x86_ext_save_areas
[i
];
2741 if ((env
->features
[esa
->feature
] & esa
->bits
) == esa
->bits
) {
2746 if (env
->features
[FEAT_1_ECX
] & CPUID_EXT_XSAVE
) {
2747 cr4
|= CR4_OSFXSR_MASK
| CR4_OSXSAVE_MASK
;
2749 if (env
->features
[FEAT_7_0_EBX
] & CPUID_7_0_EBX_FSGSBASE
) {
2750 cr4
|= CR4_FSGSBASE_MASK
;
2755 cpu_x86_update_cr4(env
, cr4
);
2758 * SDM 11.11.5 requires:
2759 * - IA32_MTRR_DEF_TYPE MSR.E = 0
2760 * - IA32_MTRR_PHYSMASKn.V = 0
2761 * All other bits are undefined. For simplification, zero it all.
2763 env
->mtrr_deftype
= 0;
2764 memset(env
->mtrr_var
, 0, sizeof(env
->mtrr_var
));
2765 memset(env
->mtrr_fixed
, 0, sizeof(env
->mtrr_fixed
));
2767 #if !defined(CONFIG_USER_ONLY)
2768 /* We hard-wire the BSP to the first CPU. */
2769 apic_designate_bsp(cpu
->apic_state
, s
->cpu_index
== 0);
2771 s
->halted
= !cpu_is_bsp(cpu
);
2773 if (kvm_enabled()) {
2774 kvm_arch_reset_vcpu(cpu
);
2779 #ifndef CONFIG_USER_ONLY
2780 bool cpu_is_bsp(X86CPU
*cpu
)
2782 return cpu_get_apic_base(cpu
->apic_state
) & MSR_IA32_APICBASE_BSP
;
2785 /* TODO: remove me, when reset over QOM tree is implemented */
2786 static void x86_cpu_machine_reset_cb(void *opaque
)
2788 X86CPU
*cpu
= opaque
;
2789 cpu_reset(CPU(cpu
));
2793 static void mce_init(X86CPU
*cpu
)
2795 CPUX86State
*cenv
= &cpu
->env
;
2798 if (((cenv
->cpuid_version
>> 8) & 0xf) >= 6
2799 && (cenv
->features
[FEAT_1_EDX
] & (CPUID_MCE
| CPUID_MCA
)) ==
2800 (CPUID_MCE
| CPUID_MCA
)) {
2801 cenv
->mcg_cap
= MCE_CAP_DEF
| MCE_BANKS_DEF
;
2802 cenv
->mcg_ctl
= ~(uint64_t)0;
2803 for (bank
= 0; bank
< MCE_BANKS_DEF
; bank
++) {
2804 cenv
->mce_banks
[bank
* 4] = ~(uint64_t)0;
2809 #ifndef CONFIG_USER_ONLY
2810 static void x86_cpu_apic_create(X86CPU
*cpu
, Error
**errp
)
2812 APICCommonState
*apic
;
2813 const char *apic_type
= "apic";
2815 if (kvm_apic_in_kernel()) {
2816 apic_type
= "kvm-apic";
2817 } else if (xen_enabled()) {
2818 apic_type
= "xen-apic";
2821 cpu
->apic_state
= DEVICE(object_new(apic_type
));
2823 object_property_add_child(OBJECT(cpu
), "apic",
2824 OBJECT(cpu
->apic_state
), NULL
);
2825 qdev_prop_set_uint8(cpu
->apic_state
, "id", cpu
->apic_id
);
2826 /* TODO: convert to link<> */
2827 apic
= APIC_COMMON(cpu
->apic_state
);
2829 apic
->apicbase
= APIC_DEFAULT_ADDRESS
| MSR_IA32_APICBASE_ENABLE
;
2832 static void x86_cpu_apic_realize(X86CPU
*cpu
, Error
**errp
)
2834 APICCommonState
*apic
;
2835 static bool apic_mmio_map_once
;
2837 if (cpu
->apic_state
== NULL
) {
2840 object_property_set_bool(OBJECT(cpu
->apic_state
), true, "realized",
2843 /* Map APIC MMIO area */
2844 apic
= APIC_COMMON(cpu
->apic_state
);
2845 if (!apic_mmio_map_once
) {
2846 memory_region_add_subregion_overlap(get_system_memory(),
2848 MSR_IA32_APICBASE_BASE
,
2851 apic_mmio_map_once
= true;
2855 static void x86_cpu_machine_done(Notifier
*n
, void *unused
)
2857 X86CPU
*cpu
= container_of(n
, X86CPU
, machine_done
);
2858 MemoryRegion
*smram
=
2859 (MemoryRegion
*) object_resolve_path("/machine/smram", NULL
);
2862 cpu
->smram
= g_new(MemoryRegion
, 1);
2863 memory_region_init_alias(cpu
->smram
, OBJECT(cpu
), "smram",
2864 smram
, 0, 1ull << 32);
2865 memory_region_set_enabled(cpu
->smram
, false);
2866 memory_region_add_subregion_overlap(cpu
->cpu_as_root
, 0, cpu
->smram
, 1);
2870 static void x86_cpu_apic_realize(X86CPU
*cpu
, Error
**errp
)
2876 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
2877 (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
2878 (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
2879 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
2880 (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
2881 (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
2882 static void x86_cpu_realizefn(DeviceState
*dev
, Error
**errp
)
2884 CPUState
*cs
= CPU(dev
);
2885 X86CPU
*cpu
= X86_CPU(dev
);
2886 X86CPUClass
*xcc
= X86_CPU_GET_CLASS(dev
);
2887 CPUX86State
*env
= &cpu
->env
;
2888 Error
*local_err
= NULL
;
2889 static bool ht_warned
;
2891 if (cpu
->apic_id
< 0) {
2892 error_setg(errp
, "apic-id property was not initialized properly");
2896 if (env
->features
[FEAT_7_0_EBX
] && env
->cpuid_level
< 7) {
2897 env
->cpuid_level
= 7;
2900 if (x86_cpu_filter_features(cpu
) && cpu
->enforce_cpuid
) {
2901 error_setg(&local_err
,
2903 "Host doesn't support requested features" :
2904 "TCG doesn't support requested features");
2908 /* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on
2911 if (IS_AMD_CPU(env
)) {
2912 env
->features
[FEAT_8000_0001_EDX
] &= ~CPUID_EXT2_AMD_ALIASES
;
2913 env
->features
[FEAT_8000_0001_EDX
] |= (env
->features
[FEAT_1_EDX
]
2914 & CPUID_EXT2_AMD_ALIASES
);
2918 #ifndef CONFIG_USER_ONLY
2919 qemu_register_reset(x86_cpu_machine_reset_cb
, cpu
);
2921 if (cpu
->env
.features
[FEAT_1_EDX
] & CPUID_APIC
|| smp_cpus
> 1) {
2922 x86_cpu_apic_create(cpu
, &local_err
);
2923 if (local_err
!= NULL
) {
2931 #ifndef CONFIG_USER_ONLY
2932 if (tcg_enabled()) {
2933 AddressSpace
*newas
= g_new(AddressSpace
, 1);
2935 cpu
->cpu_as_mem
= g_new(MemoryRegion
, 1);
2936 cpu
->cpu_as_root
= g_new(MemoryRegion
, 1);
2938 /* Outer container... */
2939 memory_region_init(cpu
->cpu_as_root
, OBJECT(cpu
), "memory", ~0ull);
2940 memory_region_set_enabled(cpu
->cpu_as_root
, true);
2942 /* ... with two regions inside: normal system memory with low
2945 memory_region_init_alias(cpu
->cpu_as_mem
, OBJECT(cpu
), "memory",
2946 get_system_memory(), 0, ~0ull);
2947 memory_region_add_subregion_overlap(cpu
->cpu_as_root
, 0, cpu
->cpu_as_mem
, 0);
2948 memory_region_set_enabled(cpu
->cpu_as_mem
, true);
2949 address_space_init(newas
, cpu
->cpu_as_root
, "CPU");
2951 cpu_address_space_init(cs
, newas
, 0);
2953 /* ... SMRAM with higher priority, linked from /machine/smram. */
2954 cpu
->machine_done
.notify
= x86_cpu_machine_done
;
2955 qemu_add_machine_init_done_notifier(&cpu
->machine_done
);
2961 /* Only Intel CPUs support hyperthreading. Even though QEMU fixes this
2962 * issue by adjusting CPUID_0000_0001_EBX and CPUID_8000_0008_ECX
2963 * based on inputs (sockets,cores,threads), it is still better to gives
2966 * NOTE: the following code has to follow qemu_init_vcpu(). Otherwise
2967 * cs->nr_threads hasn't be populated yet and the checking is incorrect.
2969 if (!IS_INTEL_CPU(env
) && cs
->nr_threads
> 1 && !ht_warned
) {
2970 error_report("AMD CPU doesn't support hyperthreading. Please configure"
2971 " -smp options properly.");
2975 x86_cpu_apic_realize(cpu
, &local_err
);
2976 if (local_err
!= NULL
) {
2981 xcc
->parent_realize(dev
, &local_err
);
2984 if (local_err
!= NULL
) {
2985 error_propagate(errp
, local_err
);
2990 typedef struct BitProperty
{
2995 static void x86_cpu_get_bit_prop(Object
*obj
, Visitor
*v
, const char *name
,
2996 void *opaque
, Error
**errp
)
2998 BitProperty
*fp
= opaque
;
2999 bool value
= (*fp
->ptr
& fp
->mask
) == fp
->mask
;
3000 visit_type_bool(v
, name
, &value
, errp
);
3003 static void x86_cpu_set_bit_prop(Object
*obj
, Visitor
*v
, const char *name
,
3004 void *opaque
, Error
**errp
)
3006 DeviceState
*dev
= DEVICE(obj
);
3007 BitProperty
*fp
= opaque
;
3008 Error
*local_err
= NULL
;
3011 if (dev
->realized
) {
3012 qdev_prop_set_after_realize(dev
, name
, errp
);
3016 visit_type_bool(v
, name
, &value
, &local_err
);
3018 error_propagate(errp
, local_err
);
3023 *fp
->ptr
|= fp
->mask
;
3025 *fp
->ptr
&= ~fp
->mask
;
3029 static void x86_cpu_release_bit_prop(Object
*obj
, const char *name
,
3032 BitProperty
*prop
= opaque
;
3036 /* Register a boolean property to get/set a single bit in a uint32_t field.
3038 * The same property name can be registered multiple times to make it affect
3039 * multiple bits in the same FeatureWord. In that case, the getter will return
3040 * true only if all bits are set.
3042 static void x86_cpu_register_bit_prop(X86CPU
*cpu
,
3043 const char *prop_name
,
3049 uint32_t mask
= (1UL << bitnr
);
3051 op
= object_property_find(OBJECT(cpu
), prop_name
, NULL
);
3054 assert(fp
->ptr
== field
);
3057 fp
= g_new0(BitProperty
, 1);
3060 object_property_add(OBJECT(cpu
), prop_name
, "bool",
3061 x86_cpu_get_bit_prop
,
3062 x86_cpu_set_bit_prop
,
3063 x86_cpu_release_bit_prop
, fp
, &error_abort
);
3067 static void x86_cpu_register_feature_bit_props(X86CPU
*cpu
,
3071 Object
*obj
= OBJECT(cpu
);
3074 FeatureWordInfo
*fi
= &feature_word_info
[w
];
3076 if (!fi
->feat_names
) {
3079 if (!fi
->feat_names
[bitnr
]) {
3083 names
= g_strsplit(fi
->feat_names
[bitnr
], "|", 0);
3085 feat2prop(names
[0]);
3086 x86_cpu_register_bit_prop(cpu
, names
[0], &cpu
->env
.features
[w
], bitnr
);
3088 for (i
= 1; names
[i
]; i
++) {
3089 feat2prop(names
[i
]);
3090 object_property_add_alias(obj
, names
[i
], obj
, names
[0],
3097 static void x86_cpu_initfn(Object
*obj
)
3099 CPUState
*cs
= CPU(obj
);
3100 X86CPU
*cpu
= X86_CPU(obj
);
3101 X86CPUClass
*xcc
= X86_CPU_GET_CLASS(obj
);
3102 CPUX86State
*env
= &cpu
->env
;
3107 cpu_exec_init(cs
, &error_abort
);
3109 object_property_add(obj
, "family", "int",
3110 x86_cpuid_version_get_family
,
3111 x86_cpuid_version_set_family
, NULL
, NULL
, NULL
);
3112 object_property_add(obj
, "model", "int",
3113 x86_cpuid_version_get_model
,
3114 x86_cpuid_version_set_model
, NULL
, NULL
, NULL
);
3115 object_property_add(obj
, "stepping", "int",
3116 x86_cpuid_version_get_stepping
,
3117 x86_cpuid_version_set_stepping
, NULL
, NULL
, NULL
);
3118 object_property_add_str(obj
, "vendor",
3119 x86_cpuid_get_vendor
,
3120 x86_cpuid_set_vendor
, NULL
);
3121 object_property_add_str(obj
, "model-id",
3122 x86_cpuid_get_model_id
,
3123 x86_cpuid_set_model_id
, NULL
);
3124 object_property_add(obj
, "tsc-frequency", "int",
3125 x86_cpuid_get_tsc_freq
,
3126 x86_cpuid_set_tsc_freq
, NULL
, NULL
, NULL
);
3127 object_property_add(obj
, "apic-id", "int",
3128 x86_cpuid_get_apic_id
,
3129 x86_cpuid_set_apic_id
, NULL
, NULL
, NULL
);
3130 object_property_add(obj
, "feature-words", "X86CPUFeatureWordInfo",
3131 x86_cpu_get_feature_words
,
3132 NULL
, NULL
, (void *)env
->features
, NULL
);
3133 object_property_add(obj
, "filtered-features", "X86CPUFeatureWordInfo",
3134 x86_cpu_get_feature_words
,
3135 NULL
, NULL
, (void *)cpu
->filtered_features
, NULL
);
3137 cpu
->hyperv_spinlock_attempts
= HYPERV_SPINLOCK_NEVER_RETRY
;
3139 #ifndef CONFIG_USER_ONLY
3140 /* Any code creating new X86CPU objects have to set apic-id explicitly */
3144 for (w
= 0; w
< FEATURE_WORDS
; w
++) {
3147 for (bitnr
= 0; bitnr
< 32; bitnr
++) {
3148 x86_cpu_register_feature_bit_props(cpu
, w
, bitnr
);
3152 x86_cpu_load_def(cpu
, xcc
->cpu_def
, &error_abort
);
3154 /* init various static tables used in TCG mode */
3155 if (tcg_enabled() && !inited
) {
3161 static int64_t x86_cpu_get_arch_id(CPUState
*cs
)
3163 X86CPU
*cpu
= X86_CPU(cs
);
3165 return cpu
->apic_id
;
3168 static bool x86_cpu_get_paging_enabled(const CPUState
*cs
)
3170 X86CPU
*cpu
= X86_CPU(cs
);
3172 return cpu
->env
.cr
[0] & CR0_PG_MASK
;
3175 static void x86_cpu_set_pc(CPUState
*cs
, vaddr value
)
3177 X86CPU
*cpu
= X86_CPU(cs
);
3179 cpu
->env
.eip
= value
;
3182 static void x86_cpu_synchronize_from_tb(CPUState
*cs
, TranslationBlock
*tb
)
3184 X86CPU
*cpu
= X86_CPU(cs
);
3186 cpu
->env
.eip
= tb
->pc
- tb
->cs_base
;
3189 static bool x86_cpu_has_work(CPUState
*cs
)
3191 X86CPU
*cpu
= X86_CPU(cs
);
3192 CPUX86State
*env
= &cpu
->env
;
3194 return ((cs
->interrupt_request
& (CPU_INTERRUPT_HARD
|
3195 CPU_INTERRUPT_POLL
)) &&
3196 (env
->eflags
& IF_MASK
)) ||
3197 (cs
->interrupt_request
& (CPU_INTERRUPT_NMI
|
3198 CPU_INTERRUPT_INIT
|
3199 CPU_INTERRUPT_SIPI
|
3200 CPU_INTERRUPT_MCE
)) ||
3201 ((cs
->interrupt_request
& CPU_INTERRUPT_SMI
) &&
3202 !(env
->hflags
& HF_SMM_MASK
));
3205 static Property x86_cpu_properties
[] = {
3206 DEFINE_PROP_BOOL("pmu", X86CPU
, enable_pmu
, false),
3207 { .name
= "hv-spinlocks", .info
= &qdev_prop_spinlocks
},
3208 DEFINE_PROP_BOOL("hv-relaxed", X86CPU
, hyperv_relaxed_timing
, false),
3209 DEFINE_PROP_BOOL("hv-vapic", X86CPU
, hyperv_vapic
, false),
3210 DEFINE_PROP_BOOL("hv-time", X86CPU
, hyperv_time
, false),
3211 DEFINE_PROP_BOOL("hv-crash", X86CPU
, hyperv_crash
, false),
3212 DEFINE_PROP_BOOL("hv-reset", X86CPU
, hyperv_reset
, false),
3213 DEFINE_PROP_BOOL("hv-vpindex", X86CPU
, hyperv_vpindex
, false),
3214 DEFINE_PROP_BOOL("hv-runtime", X86CPU
, hyperv_runtime
, false),
3215 DEFINE_PROP_BOOL("hv-synic", X86CPU
, hyperv_synic
, false),
3216 DEFINE_PROP_BOOL("hv-stimer", X86CPU
, hyperv_stimer
, false),
3217 DEFINE_PROP_BOOL("check", X86CPU
, check_cpuid
, true),
3218 DEFINE_PROP_BOOL("enforce", X86CPU
, enforce_cpuid
, false),
3219 DEFINE_PROP_BOOL("kvm", X86CPU
, expose_kvm
, true),
3220 DEFINE_PROP_UINT32("level", X86CPU
, env
.cpuid_level
, 0),
3221 DEFINE_PROP_UINT32("xlevel", X86CPU
, env
.cpuid_xlevel
, 0),
3222 DEFINE_PROP_UINT32("xlevel2", X86CPU
, env
.cpuid_xlevel2
, 0),
3223 DEFINE_PROP_STRING("hv-vendor-id", X86CPU
, hyperv_vendor_id
),
3224 DEFINE_PROP_END_OF_LIST()
3227 static void x86_cpu_common_class_init(ObjectClass
*oc
, void *data
)
3229 X86CPUClass
*xcc
= X86_CPU_CLASS(oc
);
3230 CPUClass
*cc
= CPU_CLASS(oc
);
3231 DeviceClass
*dc
= DEVICE_CLASS(oc
);
3233 xcc
->parent_realize
= dc
->realize
;
3234 dc
->realize
= x86_cpu_realizefn
;
3235 dc
->props
= x86_cpu_properties
;
3237 xcc
->parent_reset
= cc
->reset
;
3238 cc
->reset
= x86_cpu_reset
;
3239 cc
->reset_dump_flags
= CPU_DUMP_FPU
| CPU_DUMP_CCOP
;
3241 cc
->class_by_name
= x86_cpu_class_by_name
;
3242 cc
->parse_features
= x86_cpu_parse_featurestr
;
3243 cc
->has_work
= x86_cpu_has_work
;
3244 cc
->do_interrupt
= x86_cpu_do_interrupt
;
3245 cc
->cpu_exec_interrupt
= x86_cpu_exec_interrupt
;
3246 cc
->dump_state
= x86_cpu_dump_state
;
3247 cc
->set_pc
= x86_cpu_set_pc
;
3248 cc
->synchronize_from_tb
= x86_cpu_synchronize_from_tb
;
3249 cc
->gdb_read_register
= x86_cpu_gdb_read_register
;
3250 cc
->gdb_write_register
= x86_cpu_gdb_write_register
;
3251 cc
->get_arch_id
= x86_cpu_get_arch_id
;
3252 cc
->get_paging_enabled
= x86_cpu_get_paging_enabled
;
3253 #ifdef CONFIG_USER_ONLY
3254 cc
->handle_mmu_fault
= x86_cpu_handle_mmu_fault
;
3256 cc
->get_memory_mapping
= x86_cpu_get_memory_mapping
;
3257 cc
->get_phys_page_debug
= x86_cpu_get_phys_page_debug
;
3258 cc
->write_elf64_note
= x86_cpu_write_elf64_note
;
3259 cc
->write_elf64_qemunote
= x86_cpu_write_elf64_qemunote
;
3260 cc
->write_elf32_note
= x86_cpu_write_elf32_note
;
3261 cc
->write_elf32_qemunote
= x86_cpu_write_elf32_qemunote
;
3262 cc
->vmsd
= &vmstate_x86_cpu
;
3264 cc
->gdb_num_core_regs
= CPU_NB_REGS
* 2 + 25;
3265 #ifndef CONFIG_USER_ONLY
3266 cc
->debug_excp_handler
= breakpoint_handler
;
3268 cc
->cpu_exec_enter
= x86_cpu_exec_enter
;
3269 cc
->cpu_exec_exit
= x86_cpu_exec_exit
;
3272 * Reason: x86_cpu_initfn() calls cpu_exec_init(), which saves the
3273 * object in cpus -> dangling pointer after final object_unref().
3275 dc
->cannot_destroy_with_object_finalize_yet
= true;
3278 static const TypeInfo x86_cpu_type_info
= {
3279 .name
= TYPE_X86_CPU
,
3281 .instance_size
= sizeof(X86CPU
),
3282 .instance_init
= x86_cpu_initfn
,
3284 .class_size
= sizeof(X86CPUClass
),
3285 .class_init
= x86_cpu_common_class_init
,
3288 static void x86_cpu_register_types(void)
3292 type_register_static(&x86_cpu_type_info
);
3293 for (i
= 0; i
< ARRAY_SIZE(builtin_x86_defs
); i
++) {
3294 x86_register_cpudef_type(&builtin_x86_defs
[i
]);
3297 type_register_static(&host_x86_cpu_type_info
);
3301 type_init(x86_cpu_register_types
)