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target-i386: Don't declare variables in the middle of blocks
[mirror_qemu.git] / target-i386 / cpu.c
1 /*
2 * i386 CPUID helper functions
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19 #include <stdlib.h>
20 #include <stdio.h>
21 #include <string.h>
22 #include <inttypes.h>
23
24 #include "cpu.h"
25 #include "sysemu/kvm.h"
26 #include "sysemu/cpus.h"
27 #include "topology.h"
28
29 #include "qemu/option.h"
30 #include "qemu/config-file.h"
31 #include "qapi/qmp/qerror.h"
32
33 #include "qapi-types.h"
34 #include "qapi-visit.h"
35 #include "qapi/visitor.h"
36 #include "sysemu/arch_init.h"
37
38 #include "hw/hw.h"
39 #if defined(CONFIG_KVM)
40 #include <linux/kvm_para.h>
41 #endif
42
43 #include "sysemu/sysemu.h"
44 #include "hw/qdev-properties.h"
45 #include "hw/cpu/icc_bus.h"
46 #ifndef CONFIG_USER_ONLY
47 #include "hw/xen/xen.h"
48 #include "hw/i386/apic_internal.h"
49 #endif
50
51
52 /* Cache topology CPUID constants: */
53
54 /* CPUID Leaf 2 Descriptors */
55
56 #define CPUID_2_L1D_32KB_8WAY_64B 0x2c
57 #define CPUID_2_L1I_32KB_8WAY_64B 0x30
58 #define CPUID_2_L2_2MB_8WAY_64B 0x7d
59
60
61 /* CPUID Leaf 4 constants: */
62
63 /* EAX: */
64 #define CPUID_4_TYPE_DCACHE 1
65 #define CPUID_4_TYPE_ICACHE 2
66 #define CPUID_4_TYPE_UNIFIED 3
67
68 #define CPUID_4_LEVEL(l) ((l) << 5)
69
70 #define CPUID_4_SELF_INIT_LEVEL (1 << 8)
71 #define CPUID_4_FULLY_ASSOC (1 << 9)
72
73 /* EDX: */
74 #define CPUID_4_NO_INVD_SHARING (1 << 0)
75 #define CPUID_4_INCLUSIVE (1 << 1)
76 #define CPUID_4_COMPLEX_IDX (1 << 2)
77
78 #define ASSOC_FULL 0xFF
79
80 /* AMD associativity encoding used on CPUID Leaf 0x80000006: */
81 #define AMD_ENC_ASSOC(a) (a <= 1 ? a : \
82 a == 2 ? 0x2 : \
83 a == 4 ? 0x4 : \
84 a == 8 ? 0x6 : \
85 a == 16 ? 0x8 : \
86 a == 32 ? 0xA : \
87 a == 48 ? 0xB : \
88 a == 64 ? 0xC : \
89 a == 96 ? 0xD : \
90 a == 128 ? 0xE : \
91 a == ASSOC_FULL ? 0xF : \
92 0 /* invalid value */)
93
94
95 /* Definitions of the hardcoded cache entries we expose: */
96
97 /* L1 data cache: */
98 #define L1D_LINE_SIZE 64
99 #define L1D_ASSOCIATIVITY 8
100 #define L1D_SETS 64
101 #define L1D_PARTITIONS 1
102 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */
103 #define L1D_DESCRIPTOR CPUID_2_L1D_32KB_8WAY_64B
104 /*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
105 #define L1D_LINES_PER_TAG 1
106 #define L1D_SIZE_KB_AMD 64
107 #define L1D_ASSOCIATIVITY_AMD 2
108
109 /* L1 instruction cache: */
110 #define L1I_LINE_SIZE 64
111 #define L1I_ASSOCIATIVITY 8
112 #define L1I_SETS 64
113 #define L1I_PARTITIONS 1
114 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */
115 #define L1I_DESCRIPTOR CPUID_2_L1I_32KB_8WAY_64B
116 /*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
117 #define L1I_LINES_PER_TAG 1
118 #define L1I_SIZE_KB_AMD 64
119 #define L1I_ASSOCIATIVITY_AMD 2
120
121 /* Level 2 unified cache: */
122 #define L2_LINE_SIZE 64
123 #define L2_ASSOCIATIVITY 16
124 #define L2_SETS 4096
125 #define L2_PARTITIONS 1
126 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 4MiB */
127 /*FIXME: CPUID leaf 2 descriptor is inconsistent with CPUID leaf 4 */
128 #define L2_DESCRIPTOR CPUID_2_L2_2MB_8WAY_64B
129 /*FIXME: CPUID leaf 0x80000006 is inconsistent with leaves 2 & 4 */
130 #define L2_LINES_PER_TAG 1
131 #define L2_SIZE_KB_AMD 512
132
133 /* No L3 cache: */
134 #define L3_SIZE_KB 0 /* disabled */
135 #define L3_ASSOCIATIVITY 0 /* disabled */
136 #define L3_LINES_PER_TAG 0 /* disabled */
137 #define L3_LINE_SIZE 0 /* disabled */
138
139 /* TLB definitions: */
140
141 #define L1_DTLB_2M_ASSOC 1
142 #define L1_DTLB_2M_ENTRIES 255
143 #define L1_DTLB_4K_ASSOC 1
144 #define L1_DTLB_4K_ENTRIES 255
145
146 #define L1_ITLB_2M_ASSOC 1
147 #define L1_ITLB_2M_ENTRIES 255
148 #define L1_ITLB_4K_ASSOC 1
149 #define L1_ITLB_4K_ENTRIES 255
150
151 #define L2_DTLB_2M_ASSOC 0 /* disabled */
152 #define L2_DTLB_2M_ENTRIES 0 /* disabled */
153 #define L2_DTLB_4K_ASSOC 4
154 #define L2_DTLB_4K_ENTRIES 512
155
156 #define L2_ITLB_2M_ASSOC 0 /* disabled */
157 #define L2_ITLB_2M_ENTRIES 0 /* disabled */
158 #define L2_ITLB_4K_ASSOC 4
159 #define L2_ITLB_4K_ENTRIES 512
160
161
162
163 static void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
164 uint32_t vendor2, uint32_t vendor3)
165 {
166 int i;
167 for (i = 0; i < 4; i++) {
168 dst[i] = vendor1 >> (8 * i);
169 dst[i + 4] = vendor2 >> (8 * i);
170 dst[i + 8] = vendor3 >> (8 * i);
171 }
172 dst[CPUID_VENDOR_SZ] = '\0';
173 }
174
175 /* feature flags taken from "Intel Processor Identification and the CPUID
176 * Instruction" and AMD's "CPUID Specification". In cases of disagreement
177 * between feature naming conventions, aliases may be added.
178 */
179 static const char *feature_name[] = {
180 "fpu", "vme", "de", "pse",
181 "tsc", "msr", "pae", "mce",
182 "cx8", "apic", NULL, "sep",
183 "mtrr", "pge", "mca", "cmov",
184 "pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */,
185 NULL, "ds" /* Intel dts */, "acpi", "mmx",
186 "fxsr", "sse", "sse2", "ss",
187 "ht" /* Intel htt */, "tm", "ia64", "pbe",
188 };
189 static const char *ext_feature_name[] = {
190 "pni|sse3" /* Intel,AMD sse3 */, "pclmulqdq|pclmuldq", "dtes64", "monitor",
191 "ds_cpl", "vmx", "smx", "est",
192 "tm2", "ssse3", "cid", NULL,
193 "fma", "cx16", "xtpr", "pdcm",
194 NULL, "pcid", "dca", "sse4.1|sse4_1",
195 "sse4.2|sse4_2", "x2apic", "movbe", "popcnt",
196 "tsc-deadline", "aes", "xsave", "osxsave",
197 "avx", "f16c", "rdrand", "hypervisor",
198 };
199 /* Feature names that are already defined on feature_name[] but are set on
200 * CPUID[8000_0001].EDX on AMD CPUs don't have their names on
201 * ext2_feature_name[]. They are copied automatically to cpuid_ext2_features
202 * if and only if CPU vendor is AMD.
203 */
204 static const char *ext2_feature_name[] = {
205 NULL /* fpu */, NULL /* vme */, NULL /* de */, NULL /* pse */,
206 NULL /* tsc */, NULL /* msr */, NULL /* pae */, NULL /* mce */,
207 NULL /* cx8 */ /* AMD CMPXCHG8B */, NULL /* apic */, NULL, "syscall",
208 NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */,
209 NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */,
210 "nx|xd", NULL, "mmxext", NULL /* mmx */,
211 NULL /* fxsr */, "fxsr_opt|ffxsr", "pdpe1gb" /* AMD Page1GB */, "rdtscp",
212 NULL, "lm|i64", "3dnowext", "3dnow",
213 };
214 static const char *ext3_feature_name[] = {
215 "lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */,
216 "cr8legacy" /* AMD AltMovCr8 */, "abm", "sse4a", "misalignsse",
217 "3dnowprefetch", "osvw", "ibs", "xop",
218 "skinit", "wdt", NULL, "lwp",
219 "fma4", "tce", NULL, "nodeid_msr",
220 NULL, "tbm", "topoext", "perfctr_core",
221 "perfctr_nb", NULL, NULL, NULL,
222 NULL, NULL, NULL, NULL,
223 };
224
225 static const char *ext4_feature_name[] = {
226 NULL, NULL, "xstore", "xstore-en",
227 NULL, NULL, "xcrypt", "xcrypt-en",
228 "ace2", "ace2-en", "phe", "phe-en",
229 "pmm", "pmm-en", NULL, NULL,
230 NULL, NULL, NULL, NULL,
231 NULL, NULL, NULL, NULL,
232 NULL, NULL, NULL, NULL,
233 NULL, NULL, NULL, NULL,
234 };
235
236 static const char *kvm_feature_name[] = {
237 "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock",
238 "kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", "kvm_pv_unhalt",
239 NULL, NULL, NULL, NULL,
240 NULL, NULL, NULL, NULL,
241 NULL, NULL, NULL, NULL,
242 NULL, NULL, NULL, NULL,
243 NULL, NULL, NULL, NULL,
244 NULL, NULL, NULL, NULL,
245 };
246
247 static const char *svm_feature_name[] = {
248 "npt", "lbrv", "svm_lock", "nrip_save",
249 "tsc_scale", "vmcb_clean", "flushbyasid", "decodeassists",
250 NULL, NULL, "pause_filter", NULL,
251 "pfthreshold", NULL, NULL, NULL,
252 NULL, NULL, NULL, NULL,
253 NULL, NULL, NULL, NULL,
254 NULL, NULL, NULL, NULL,
255 NULL, NULL, NULL, NULL,
256 };
257
258 static const char *cpuid_7_0_ebx_feature_name[] = {
259 "fsgsbase", NULL, NULL, "bmi1", "hle", "avx2", NULL, "smep",
260 "bmi2", "erms", "invpcid", "rtm", NULL, NULL, NULL, NULL,
261 NULL, NULL, "rdseed", "adx", "smap", NULL, NULL, NULL,
262 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
263 };
264
265 typedef struct FeatureWordInfo {
266 const char **feat_names;
267 uint32_t cpuid_eax; /* Input EAX for CPUID */
268 bool cpuid_needs_ecx; /* CPUID instruction uses ECX as input */
269 uint32_t cpuid_ecx; /* Input ECX value for CPUID */
270 int cpuid_reg; /* output register (R_* constant) */
271 } FeatureWordInfo;
272
273 static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
274 [FEAT_1_EDX] = {
275 .feat_names = feature_name,
276 .cpuid_eax = 1, .cpuid_reg = R_EDX,
277 },
278 [FEAT_1_ECX] = {
279 .feat_names = ext_feature_name,
280 .cpuid_eax = 1, .cpuid_reg = R_ECX,
281 },
282 [FEAT_8000_0001_EDX] = {
283 .feat_names = ext2_feature_name,
284 .cpuid_eax = 0x80000001, .cpuid_reg = R_EDX,
285 },
286 [FEAT_8000_0001_ECX] = {
287 .feat_names = ext3_feature_name,
288 .cpuid_eax = 0x80000001, .cpuid_reg = R_ECX,
289 },
290 [FEAT_C000_0001_EDX] = {
291 .feat_names = ext4_feature_name,
292 .cpuid_eax = 0xC0000001, .cpuid_reg = R_EDX,
293 },
294 [FEAT_KVM] = {
295 .feat_names = kvm_feature_name,
296 .cpuid_eax = KVM_CPUID_FEATURES, .cpuid_reg = R_EAX,
297 },
298 [FEAT_SVM] = {
299 .feat_names = svm_feature_name,
300 .cpuid_eax = 0x8000000A, .cpuid_reg = R_EDX,
301 },
302 [FEAT_7_0_EBX] = {
303 .feat_names = cpuid_7_0_ebx_feature_name,
304 .cpuid_eax = 7,
305 .cpuid_needs_ecx = true, .cpuid_ecx = 0,
306 .cpuid_reg = R_EBX,
307 },
308 };
309
310 typedef struct X86RegisterInfo32 {
311 /* Name of register */
312 const char *name;
313 /* QAPI enum value register */
314 X86CPURegister32 qapi_enum;
315 } X86RegisterInfo32;
316
317 #define REGISTER(reg) \
318 [R_##reg] = { .name = #reg, .qapi_enum = X86_CPU_REGISTER32_##reg }
319 X86RegisterInfo32 x86_reg_info_32[CPU_NB_REGS32] = {
320 REGISTER(EAX),
321 REGISTER(ECX),
322 REGISTER(EDX),
323 REGISTER(EBX),
324 REGISTER(ESP),
325 REGISTER(EBP),
326 REGISTER(ESI),
327 REGISTER(EDI),
328 };
329 #undef REGISTER
330
331 typedef struct ExtSaveArea {
332 uint32_t feature, bits;
333 uint32_t offset, size;
334 } ExtSaveArea;
335
336 static const ExtSaveArea ext_save_areas[] = {
337 [2] = { .feature = FEAT_1_ECX, .bits = CPUID_EXT_AVX,
338 .offset = 0x240, .size = 0x100 },
339 [3] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
340 .offset = 0x3c0, .size = 0x40 },
341 [4] = { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
342 .offset = 0x400, .size = 0x40 },
343 };
344
345 const char *get_register_name_32(unsigned int reg)
346 {
347 if (reg >= CPU_NB_REGS32) {
348 return NULL;
349 }
350 return x86_reg_info_32[reg].name;
351 }
352
353 /* collects per-function cpuid data
354 */
355 typedef struct model_features_t {
356 uint32_t *guest_feat;
357 uint32_t *host_feat;
358 FeatureWord feat_word;
359 } model_features_t;
360
361 static uint32_t kvm_default_features = (1 << KVM_FEATURE_CLOCKSOURCE) |
362 (1 << KVM_FEATURE_NOP_IO_DELAY) |
363 (1 << KVM_FEATURE_CLOCKSOURCE2) |
364 (1 << KVM_FEATURE_ASYNC_PF) |
365 (1 << KVM_FEATURE_STEAL_TIME) |
366 (1 << KVM_FEATURE_PV_EOI) |
367 (1 << KVM_FEATURE_CLOCKSOURCE_STABLE_BIT);
368
369 void disable_kvm_pv_eoi(void)
370 {
371 kvm_default_features &= ~(1UL << KVM_FEATURE_PV_EOI);
372 }
373
374 void host_cpuid(uint32_t function, uint32_t count,
375 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
376 {
377 uint32_t vec[4];
378
379 #ifdef __x86_64__
380 asm volatile("cpuid"
381 : "=a"(vec[0]), "=b"(vec[1]),
382 "=c"(vec[2]), "=d"(vec[3])
383 : "0"(function), "c"(count) : "cc");
384 #elif defined(__i386__)
385 asm volatile("pusha \n\t"
386 "cpuid \n\t"
387 "mov %%eax, 0(%2) \n\t"
388 "mov %%ebx, 4(%2) \n\t"
389 "mov %%ecx, 8(%2) \n\t"
390 "mov %%edx, 12(%2) \n\t"
391 "popa"
392 : : "a"(function), "c"(count), "S"(vec)
393 : "memory", "cc");
394 #else
395 abort();
396 #endif
397
398 if (eax)
399 *eax = vec[0];
400 if (ebx)
401 *ebx = vec[1];
402 if (ecx)
403 *ecx = vec[2];
404 if (edx)
405 *edx = vec[3];
406 }
407
408 #define iswhite(c) ((c) && ((c) <= ' ' || '~' < (c)))
409
410 /* general substring compare of *[s1..e1) and *[s2..e2). sx is start of
411 * a substring. ex if !NULL points to the first char after a substring,
412 * otherwise the string is assumed to sized by a terminating nul.
413 * Return lexical ordering of *s1:*s2.
414 */
415 static int sstrcmp(const char *s1, const char *e1, const char *s2,
416 const char *e2)
417 {
418 for (;;) {
419 if (!*s1 || !*s2 || *s1 != *s2)
420 return (*s1 - *s2);
421 ++s1, ++s2;
422 if (s1 == e1 && s2 == e2)
423 return (0);
424 else if (s1 == e1)
425 return (*s2);
426 else if (s2 == e2)
427 return (*s1);
428 }
429 }
430
431 /* compare *[s..e) to *altstr. *altstr may be a simple string or multiple
432 * '|' delimited (possibly empty) strings in which case search for a match
433 * within the alternatives proceeds left to right. Return 0 for success,
434 * non-zero otherwise.
435 */
436 static int altcmp(const char *s, const char *e, const char *altstr)
437 {
438 const char *p, *q;
439
440 for (q = p = altstr; ; ) {
441 while (*p && *p != '|')
442 ++p;
443 if ((q == p && !*s) || (q != p && !sstrcmp(s, e, q, p)))
444 return (0);
445 if (!*p)
446 return (1);
447 else
448 q = ++p;
449 }
450 }
451
452 /* search featureset for flag *[s..e), if found set corresponding bit in
453 * *pval and return true, otherwise return false
454 */
455 static bool lookup_feature(uint32_t *pval, const char *s, const char *e,
456 const char **featureset)
457 {
458 uint32_t mask;
459 const char **ppc;
460 bool found = false;
461
462 for (mask = 1, ppc = featureset; mask; mask <<= 1, ++ppc) {
463 if (*ppc && !altcmp(s, e, *ppc)) {
464 *pval |= mask;
465 found = true;
466 }
467 }
468 return found;
469 }
470
471 static void add_flagname_to_bitmaps(const char *flagname,
472 FeatureWordArray words)
473 {
474 FeatureWord w;
475 for (w = 0; w < FEATURE_WORDS; w++) {
476 FeatureWordInfo *wi = &feature_word_info[w];
477 if (wi->feat_names &&
478 lookup_feature(&words[w], flagname, NULL, wi->feat_names)) {
479 break;
480 }
481 }
482 if (w == FEATURE_WORDS) {
483 fprintf(stderr, "CPU feature %s not found\n", flagname);
484 }
485 }
486
487 typedef struct X86CPUDefinition {
488 const char *name;
489 uint32_t level;
490 uint32_t xlevel;
491 uint32_t xlevel2;
492 /* vendor is zero-terminated, 12 character ASCII string */
493 char vendor[CPUID_VENDOR_SZ + 1];
494 int family;
495 int model;
496 int stepping;
497 FeatureWordArray features;
498 char model_id[48];
499 bool cache_info_passthrough;
500 } X86CPUDefinition;
501
502 #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
503 #define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
504 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
505 #define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
506 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
507 CPUID_PSE36 | CPUID_FXSR)
508 #define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
509 #define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
510 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
511 CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
512 CPUID_PAE | CPUID_SEP | CPUID_APIC)
513
514 #define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
515 CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
516 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
517 CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
518 CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS)
519 /* partly implemented:
520 CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64)
521 CPUID_PSE36 (needed for Solaris) */
522 /* missing:
523 CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
524 #define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \
525 CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \
526 CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \
527 CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR)
528 /* missing:
529 CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_SMX,
530 CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_CID, CPUID_EXT_FMA,
531 CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_PCID, CPUID_EXT_DCA,
532 CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER, CPUID_EXT_XSAVE,
533 CPUID_EXT_OSXSAVE, CPUID_EXT_AVX, CPUID_EXT_F16C,
534 CPUID_EXT_RDRAND */
535 #define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
536 CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
537 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT)
538 /* missing:
539 CPUID_EXT2_PDPE1GB */
540 #define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
541 CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
542 #define TCG_SVM_FEATURES 0
543 #define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP \
544 CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX)
545 /* missing:
546 CPUID_7_0_EBX_FSGSBASE, CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,
547 CPUID_7_0_EBX_ERMS, CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
548 CPUID_7_0_EBX_RDSEED */
549
550 /* built-in CPU model definitions
551 */
552 static X86CPUDefinition builtin_x86_defs[] = {
553 {
554 .name = "qemu64",
555 .level = 4,
556 .vendor = CPUID_VENDOR_AMD,
557 .family = 6,
558 .model = 6,
559 .stepping = 3,
560 .features[FEAT_1_EDX] =
561 PPRO_FEATURES |
562 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
563 CPUID_PSE36,
564 .features[FEAT_1_ECX] =
565 CPUID_EXT_SSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT,
566 .features[FEAT_8000_0001_EDX] =
567 (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
568 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
569 .features[FEAT_8000_0001_ECX] =
570 CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
571 CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
572 .xlevel = 0x8000000A,
573 },
574 {
575 .name = "phenom",
576 .level = 5,
577 .vendor = CPUID_VENDOR_AMD,
578 .family = 16,
579 .model = 2,
580 .stepping = 3,
581 .features[FEAT_1_EDX] =
582 PPRO_FEATURES |
583 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
584 CPUID_PSE36 | CPUID_VME | CPUID_HT,
585 .features[FEAT_1_ECX] =
586 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 |
587 CPUID_EXT_POPCNT,
588 .features[FEAT_8000_0001_EDX] =
589 (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
590 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX |
591 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT |
592 CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP,
593 /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
594 CPUID_EXT3_CR8LEG,
595 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
596 CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
597 .features[FEAT_8000_0001_ECX] =
598 CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
599 CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
600 .features[FEAT_SVM] =
601 CPUID_SVM_NPT | CPUID_SVM_LBRV,
602 .xlevel = 0x8000001A,
603 .model_id = "AMD Phenom(tm) 9550 Quad-Core Processor"
604 },
605 {
606 .name = "core2duo",
607 .level = 10,
608 .vendor = CPUID_VENDOR_INTEL,
609 .family = 6,
610 .model = 15,
611 .stepping = 11,
612 .features[FEAT_1_EDX] =
613 PPRO_FEATURES |
614 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
615 CPUID_PSE36 | CPUID_VME | CPUID_DTS | CPUID_ACPI | CPUID_SS |
616 CPUID_HT | CPUID_TM | CPUID_PBE,
617 .features[FEAT_1_ECX] =
618 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
619 CPUID_EXT_DTES64 | CPUID_EXT_DSCPL | CPUID_EXT_VMX | CPUID_EXT_EST |
620 CPUID_EXT_TM2 | CPUID_EXT_CX16 | CPUID_EXT_XTPR | CPUID_EXT_PDCM,
621 .features[FEAT_8000_0001_EDX] =
622 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
623 .features[FEAT_8000_0001_ECX] =
624 CPUID_EXT3_LAHF_LM,
625 .xlevel = 0x80000008,
626 .model_id = "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz",
627 },
628 {
629 .name = "kvm64",
630 .level = 5,
631 .vendor = CPUID_VENDOR_INTEL,
632 .family = 15,
633 .model = 6,
634 .stepping = 1,
635 /* Missing: CPUID_VME, CPUID_HT */
636 .features[FEAT_1_EDX] =
637 PPRO_FEATURES |
638 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
639 CPUID_PSE36,
640 /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
641 .features[FEAT_1_ECX] =
642 CPUID_EXT_SSE3 | CPUID_EXT_CX16,
643 /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
644 .features[FEAT_8000_0001_EDX] =
645 (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
646 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
647 /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
648 CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
649 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
650 CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
651 .features[FEAT_8000_0001_ECX] =
652 0,
653 .xlevel = 0x80000008,
654 .model_id = "Common KVM processor"
655 },
656 {
657 .name = "qemu32",
658 .level = 4,
659 .vendor = CPUID_VENDOR_INTEL,
660 .family = 6,
661 .model = 6,
662 .stepping = 3,
663 .features[FEAT_1_EDX] =
664 PPRO_FEATURES,
665 .features[FEAT_1_ECX] =
666 CPUID_EXT_SSE3 | CPUID_EXT_POPCNT,
667 .xlevel = 0x80000004,
668 },
669 {
670 .name = "kvm32",
671 .level = 5,
672 .vendor = CPUID_VENDOR_INTEL,
673 .family = 15,
674 .model = 6,
675 .stepping = 1,
676 .features[FEAT_1_EDX] =
677 PPRO_FEATURES |
678 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36,
679 .features[FEAT_1_ECX] =
680 CPUID_EXT_SSE3,
681 .features[FEAT_8000_0001_EDX] =
682 PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES,
683 .features[FEAT_8000_0001_ECX] =
684 0,
685 .xlevel = 0x80000008,
686 .model_id = "Common 32-bit KVM processor"
687 },
688 {
689 .name = "coreduo",
690 .level = 10,
691 .vendor = CPUID_VENDOR_INTEL,
692 .family = 6,
693 .model = 14,
694 .stepping = 8,
695 .features[FEAT_1_EDX] =
696 PPRO_FEATURES | CPUID_VME |
697 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_DTS | CPUID_ACPI |
698 CPUID_SS | CPUID_HT | CPUID_TM | CPUID_PBE,
699 .features[FEAT_1_ECX] =
700 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_VMX |
701 CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR | CPUID_EXT_PDCM,
702 .features[FEAT_8000_0001_EDX] =
703 CPUID_EXT2_NX,
704 .xlevel = 0x80000008,
705 .model_id = "Genuine Intel(R) CPU T2600 @ 2.16GHz",
706 },
707 {
708 .name = "486",
709 .level = 1,
710 .vendor = CPUID_VENDOR_INTEL,
711 .family = 4,
712 .model = 8,
713 .stepping = 0,
714 .features[FEAT_1_EDX] =
715 I486_FEATURES,
716 .xlevel = 0,
717 },
718 {
719 .name = "pentium",
720 .level = 1,
721 .vendor = CPUID_VENDOR_INTEL,
722 .family = 5,
723 .model = 4,
724 .stepping = 3,
725 .features[FEAT_1_EDX] =
726 PENTIUM_FEATURES,
727 .xlevel = 0,
728 },
729 {
730 .name = "pentium2",
731 .level = 2,
732 .vendor = CPUID_VENDOR_INTEL,
733 .family = 6,
734 .model = 5,
735 .stepping = 2,
736 .features[FEAT_1_EDX] =
737 PENTIUM2_FEATURES,
738 .xlevel = 0,
739 },
740 {
741 .name = "pentium3",
742 .level = 2,
743 .vendor = CPUID_VENDOR_INTEL,
744 .family = 6,
745 .model = 7,
746 .stepping = 3,
747 .features[FEAT_1_EDX] =
748 PENTIUM3_FEATURES,
749 .xlevel = 0,
750 },
751 {
752 .name = "athlon",
753 .level = 2,
754 .vendor = CPUID_VENDOR_AMD,
755 .family = 6,
756 .model = 2,
757 .stepping = 3,
758 .features[FEAT_1_EDX] =
759 PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR |
760 CPUID_MCA,
761 .features[FEAT_8000_0001_EDX] =
762 (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
763 CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT,
764 .xlevel = 0x80000008,
765 },
766 {
767 .name = "n270",
768 /* original is on level 10 */
769 .level = 5,
770 .vendor = CPUID_VENDOR_INTEL,
771 .family = 6,
772 .model = 28,
773 .stepping = 2,
774 .features[FEAT_1_EDX] =
775 PPRO_FEATURES |
776 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME | CPUID_DTS |
777 CPUID_ACPI | CPUID_SS | CPUID_HT | CPUID_TM | CPUID_PBE,
778 /* Some CPUs got no CPUID_SEP */
779 .features[FEAT_1_ECX] =
780 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
781 CPUID_EXT_DSCPL | CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR |
782 CPUID_EXT_MOVBE,
783 .features[FEAT_8000_0001_EDX] =
784 (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
785 CPUID_EXT2_NX,
786 .features[FEAT_8000_0001_ECX] =
787 CPUID_EXT3_LAHF_LM,
788 .xlevel = 0x8000000A,
789 .model_id = "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
790 },
791 {
792 .name = "Conroe",
793 .level = 4,
794 .vendor = CPUID_VENDOR_INTEL,
795 .family = 6,
796 .model = 15,
797 .stepping = 3,
798 .features[FEAT_1_EDX] =
799 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
800 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
801 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
802 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
803 CPUID_DE | CPUID_FP87,
804 .features[FEAT_1_ECX] =
805 CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
806 .features[FEAT_8000_0001_EDX] =
807 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
808 .features[FEAT_8000_0001_ECX] =
809 CPUID_EXT3_LAHF_LM,
810 .xlevel = 0x8000000A,
811 .model_id = "Intel Celeron_4x0 (Conroe/Merom Class Core 2)",
812 },
813 {
814 .name = "Penryn",
815 .level = 4,
816 .vendor = CPUID_VENDOR_INTEL,
817 .family = 6,
818 .model = 23,
819 .stepping = 3,
820 .features[FEAT_1_EDX] =
821 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
822 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
823 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
824 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
825 CPUID_DE | CPUID_FP87,
826 .features[FEAT_1_ECX] =
827 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
828 CPUID_EXT_SSE3,
829 .features[FEAT_8000_0001_EDX] =
830 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
831 .features[FEAT_8000_0001_ECX] =
832 CPUID_EXT3_LAHF_LM,
833 .xlevel = 0x8000000A,
834 .model_id = "Intel Core 2 Duo P9xxx (Penryn Class Core 2)",
835 },
836 {
837 .name = "Nehalem",
838 .level = 4,
839 .vendor = CPUID_VENDOR_INTEL,
840 .family = 6,
841 .model = 26,
842 .stepping = 3,
843 .features[FEAT_1_EDX] =
844 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
845 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
846 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
847 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
848 CPUID_DE | CPUID_FP87,
849 .features[FEAT_1_ECX] =
850 CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
851 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
852 .features[FEAT_8000_0001_EDX] =
853 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
854 .features[FEAT_8000_0001_ECX] =
855 CPUID_EXT3_LAHF_LM,
856 .xlevel = 0x8000000A,
857 .model_id = "Intel Core i7 9xx (Nehalem Class Core i7)",
858 },
859 {
860 .name = "Westmere",
861 .level = 11,
862 .vendor = CPUID_VENDOR_INTEL,
863 .family = 6,
864 .model = 44,
865 .stepping = 1,
866 .features[FEAT_1_EDX] =
867 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
868 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
869 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
870 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
871 CPUID_DE | CPUID_FP87,
872 .features[FEAT_1_ECX] =
873 CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
874 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
875 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
876 .features[FEAT_8000_0001_EDX] =
877 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
878 .features[FEAT_8000_0001_ECX] =
879 CPUID_EXT3_LAHF_LM,
880 .xlevel = 0x8000000A,
881 .model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
882 },
883 {
884 .name = "SandyBridge",
885 .level = 0xd,
886 .vendor = CPUID_VENDOR_INTEL,
887 .family = 6,
888 .model = 42,
889 .stepping = 1,
890 .features[FEAT_1_EDX] =
891 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
892 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
893 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
894 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
895 CPUID_DE | CPUID_FP87,
896 .features[FEAT_1_ECX] =
897 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
898 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
899 CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
900 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
901 CPUID_EXT_SSE3,
902 .features[FEAT_8000_0001_EDX] =
903 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
904 CPUID_EXT2_SYSCALL,
905 .features[FEAT_8000_0001_ECX] =
906 CPUID_EXT3_LAHF_LM,
907 .xlevel = 0x8000000A,
908 .model_id = "Intel Xeon E312xx (Sandy Bridge)",
909 },
910 {
911 .name = "Haswell",
912 .level = 0xd,
913 .vendor = CPUID_VENDOR_INTEL,
914 .family = 6,
915 .model = 60,
916 .stepping = 1,
917 .features[FEAT_1_EDX] =
918 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
919 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
920 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
921 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
922 CPUID_DE | CPUID_FP87,
923 .features[FEAT_1_ECX] =
924 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
925 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
926 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
927 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
928 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
929 CPUID_EXT_PCID,
930 .features[FEAT_8000_0001_EDX] =
931 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
932 CPUID_EXT2_SYSCALL,
933 .features[FEAT_8000_0001_ECX] =
934 CPUID_EXT3_LAHF_LM,
935 .features[FEAT_7_0_EBX] =
936 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
937 CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
938 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
939 CPUID_7_0_EBX_RTM,
940 .xlevel = 0x8000000A,
941 .model_id = "Intel Core Processor (Haswell)",
942 },
943 {
944 .name = "Opteron_G1",
945 .level = 5,
946 .vendor = CPUID_VENDOR_AMD,
947 .family = 15,
948 .model = 6,
949 .stepping = 1,
950 .features[FEAT_1_EDX] =
951 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_SSE3,
958 .features[FEAT_8000_0001_EDX] =
959 CPUID_EXT2_LM | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
960 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
961 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
962 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
963 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
964 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
965 .xlevel = 0x80000008,
966 .model_id = "AMD Opteron 240 (Gen 1 Class Opteron)",
967 },
968 {
969 .name = "Opteron_G2",
970 .level = 5,
971 .vendor = CPUID_VENDOR_AMD,
972 .family = 15,
973 .model = 6,
974 .stepping = 1,
975 .features[FEAT_1_EDX] =
976 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_CX16 | CPUID_EXT_SSE3,
983 .features[FEAT_8000_0001_EDX] =
984 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_FXSR |
985 CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
986 CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
987 CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
988 CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
989 CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
990 CPUID_EXT2_DE | CPUID_EXT2_FPU,
991 .features[FEAT_8000_0001_ECX] =
992 CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
993 .xlevel = 0x80000008,
994 .model_id = "AMD Opteron 22xx (Gen 2 Class Opteron)",
995 },
996 {
997 .name = "Opteron_G3",
998 .level = 5,
999 .vendor = CPUID_VENDOR_AMD,
1000 .family = 15,
1001 .model = 6,
1002 .stepping = 1,
1003 .features[FEAT_1_EDX] =
1004 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1005 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1006 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1007 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1008 CPUID_DE | CPUID_FP87,
1009 .features[FEAT_1_ECX] =
1010 CPUID_EXT_POPCNT | CPUID_EXT_CX16 | CPUID_EXT_MONITOR |
1011 CPUID_EXT_SSE3,
1012 .features[FEAT_8000_0001_EDX] =
1013 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_FXSR |
1014 CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
1015 CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
1016 CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
1017 CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
1018 CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
1019 CPUID_EXT2_DE | CPUID_EXT2_FPU,
1020 .features[FEAT_8000_0001_ECX] =
1021 CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A |
1022 CPUID_EXT3_ABM | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
1023 .xlevel = 0x80000008,
1024 .model_id = "AMD Opteron 23xx (Gen 3 Class Opteron)",
1025 },
1026 {
1027 .name = "Opteron_G4",
1028 .level = 0xd,
1029 .vendor = CPUID_VENDOR_AMD,
1030 .family = 21,
1031 .model = 1,
1032 .stepping = 2,
1033 .features[FEAT_1_EDX] =
1034 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1035 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1036 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1037 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1038 CPUID_DE | CPUID_FP87,
1039 .features[FEAT_1_ECX] =
1040 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1041 CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1042 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
1043 CPUID_EXT_SSE3,
1044 .features[FEAT_8000_0001_EDX] =
1045 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP |
1046 CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
1047 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
1048 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
1049 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
1050 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
1051 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
1052 .features[FEAT_8000_0001_ECX] =
1053 CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
1054 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
1055 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
1056 CPUID_EXT3_LAHF_LM,
1057 .xlevel = 0x8000001A,
1058 .model_id = "AMD Opteron 62xx class CPU",
1059 },
1060 {
1061 .name = "Opteron_G5",
1062 .level = 0xd,
1063 .vendor = CPUID_VENDOR_AMD,
1064 .family = 21,
1065 .model = 2,
1066 .stepping = 0,
1067 .features[FEAT_1_EDX] =
1068 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1069 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1070 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1071 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1072 CPUID_DE | CPUID_FP87,
1073 .features[FEAT_1_ECX] =
1074 CPUID_EXT_F16C | CPUID_EXT_AVX | CPUID_EXT_XSAVE |
1075 CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
1076 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_FMA |
1077 CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
1078 .features[FEAT_8000_0001_EDX] =
1079 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP |
1080 CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
1081 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
1082 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
1083 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
1084 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
1085 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
1086 .features[FEAT_8000_0001_ECX] =
1087 CPUID_EXT3_TBM | CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
1088 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
1089 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
1090 CPUID_EXT3_LAHF_LM,
1091 .xlevel = 0x8000001A,
1092 .model_id = "AMD Opteron 63xx class CPU",
1093 },
1094 };
1095
1096 /**
1097 * x86_cpu_compat_set_features:
1098 * @cpu_model: CPU model name to be changed. If NULL, all CPU models are changed
1099 * @w: Identifies the feature word to be changed.
1100 * @feat_add: Feature bits to be added to feature word
1101 * @feat_remove: Feature bits to be removed from feature word
1102 *
1103 * Change CPU model feature bits for compatibility.
1104 *
1105 * This function may be used by machine-type compatibility functions
1106 * to enable or disable feature bits on specific CPU models.
1107 */
1108 void x86_cpu_compat_set_features(const char *cpu_model, FeatureWord w,
1109 uint32_t feat_add, uint32_t feat_remove)
1110 {
1111 X86CPUDefinition *def;
1112 int i;
1113 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
1114 def = &builtin_x86_defs[i];
1115 if (!cpu_model || !strcmp(cpu_model, def->name)) {
1116 def->features[w] |= feat_add;
1117 def->features[w] &= ~feat_remove;
1118 }
1119 }
1120 }
1121
1122 static int cpu_x86_fill_model_id(char *str)
1123 {
1124 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
1125 int i;
1126
1127 for (i = 0; i < 3; i++) {
1128 host_cpuid(0x80000002 + i, 0, &eax, &ebx, &ecx, &edx);
1129 memcpy(str + i * 16 + 0, &eax, 4);
1130 memcpy(str + i * 16 + 4, &ebx, 4);
1131 memcpy(str + i * 16 + 8, &ecx, 4);
1132 memcpy(str + i * 16 + 12, &edx, 4);
1133 }
1134 return 0;
1135 }
1136
1137 /* Fill a X86CPUDefinition struct with information about the host CPU, and
1138 * the CPU features supported by the host hardware + host kernel
1139 *
1140 * This function may be called only if KVM is enabled.
1141 */
1142 static void kvm_cpu_fill_host(X86CPUDefinition *x86_cpu_def)
1143 {
1144 KVMState *s = kvm_state;
1145 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
1146 FeatureWord w;
1147
1148 assert(kvm_enabled());
1149
1150 x86_cpu_def->name = "host";
1151 x86_cpu_def->cache_info_passthrough = true;
1152 host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);
1153 x86_cpu_vendor_words2str(x86_cpu_def->vendor, ebx, edx, ecx);
1154
1155 host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx);
1156 x86_cpu_def->family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF);
1157 x86_cpu_def->model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12);
1158 x86_cpu_def->stepping = eax & 0x0F;
1159
1160 x86_cpu_def->level = kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX);
1161 x86_cpu_def->xlevel = kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX);
1162 x86_cpu_def->xlevel2 =
1163 kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX);
1164
1165 cpu_x86_fill_model_id(x86_cpu_def->model_id);
1166
1167 for (w = 0; w < FEATURE_WORDS; w++) {
1168 FeatureWordInfo *wi = &feature_word_info[w];
1169 x86_cpu_def->features[w] =
1170 kvm_arch_get_supported_cpuid(s, wi->cpuid_eax, wi->cpuid_ecx,
1171 wi->cpuid_reg);
1172 }
1173 }
1174
1175 static int unavailable_host_feature(FeatureWordInfo *f, uint32_t mask)
1176 {
1177 int i;
1178
1179 for (i = 0; i < 32; ++i)
1180 if (1 << i & mask) {
1181 const char *reg = get_register_name_32(f->cpuid_reg);
1182 assert(reg);
1183 fprintf(stderr, "warning: host doesn't support requested feature: "
1184 "CPUID.%02XH:%s%s%s [bit %d]\n",
1185 f->cpuid_eax, reg,
1186 f->feat_names[i] ? "." : "",
1187 f->feat_names[i] ? f->feat_names[i] : "", i);
1188 break;
1189 }
1190 return 0;
1191 }
1192
1193 /* Check if all requested cpu flags are making their way to the guest
1194 *
1195 * Returns 0 if all flags are supported by the host, non-zero otherwise.
1196 *
1197 * This function may be called only if KVM is enabled.
1198 */
1199 static int kvm_check_features_against_host(KVMState *s, X86CPU *cpu)
1200 {
1201 CPUX86State *env = &cpu->env;
1202 int rv = 0;
1203 FeatureWord w;
1204
1205 assert(kvm_enabled());
1206
1207 for (w = 0; w < FEATURE_WORDS; w++) {
1208 FeatureWordInfo *wi = &feature_word_info[w];
1209 uint32_t guest_feat = env->features[w];
1210 uint32_t host_feat = kvm_arch_get_supported_cpuid(s, wi->cpuid_eax,
1211 wi->cpuid_ecx,
1212 wi->cpuid_reg);
1213 uint32_t mask;
1214 for (mask = 1; mask; mask <<= 1) {
1215 if (guest_feat & mask && !(host_feat & mask)) {
1216 unavailable_host_feature(wi, mask);
1217 rv = 1;
1218 }
1219 }
1220 }
1221 return rv;
1222 }
1223
1224 static void x86_cpuid_version_get_family(Object *obj, Visitor *v, void *opaque,
1225 const char *name, Error **errp)
1226 {
1227 X86CPU *cpu = X86_CPU(obj);
1228 CPUX86State *env = &cpu->env;
1229 int64_t value;
1230
1231 value = (env->cpuid_version >> 8) & 0xf;
1232 if (value == 0xf) {
1233 value += (env->cpuid_version >> 20) & 0xff;
1234 }
1235 visit_type_int(v, &value, name, errp);
1236 }
1237
1238 static void x86_cpuid_version_set_family(Object *obj, Visitor *v, void *opaque,
1239 const char *name, Error **errp)
1240 {
1241 X86CPU *cpu = X86_CPU(obj);
1242 CPUX86State *env = &cpu->env;
1243 const int64_t min = 0;
1244 const int64_t max = 0xff + 0xf;
1245 int64_t value;
1246
1247 visit_type_int(v, &value, name, errp);
1248 if (error_is_set(errp)) {
1249 return;
1250 }
1251 if (value < min || value > max) {
1252 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1253 name ? name : "null", value, min, max);
1254 return;
1255 }
1256
1257 env->cpuid_version &= ~0xff00f00;
1258 if (value > 0x0f) {
1259 env->cpuid_version |= 0xf00 | ((value - 0x0f) << 20);
1260 } else {
1261 env->cpuid_version |= value << 8;
1262 }
1263 }
1264
1265 static void x86_cpuid_version_get_model(Object *obj, Visitor *v, void *opaque,
1266 const char *name, Error **errp)
1267 {
1268 X86CPU *cpu = X86_CPU(obj);
1269 CPUX86State *env = &cpu->env;
1270 int64_t value;
1271
1272 value = (env->cpuid_version >> 4) & 0xf;
1273 value |= ((env->cpuid_version >> 16) & 0xf) << 4;
1274 visit_type_int(v, &value, name, errp);
1275 }
1276
1277 static void x86_cpuid_version_set_model(Object *obj, Visitor *v, void *opaque,
1278 const char *name, Error **errp)
1279 {
1280 X86CPU *cpu = X86_CPU(obj);
1281 CPUX86State *env = &cpu->env;
1282 const int64_t min = 0;
1283 const int64_t max = 0xff;
1284 int64_t value;
1285
1286 visit_type_int(v, &value, name, errp);
1287 if (error_is_set(errp)) {
1288 return;
1289 }
1290 if (value < min || value > max) {
1291 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1292 name ? name : "null", value, min, max);
1293 return;
1294 }
1295
1296 env->cpuid_version &= ~0xf00f0;
1297 env->cpuid_version |= ((value & 0xf) << 4) | ((value >> 4) << 16);
1298 }
1299
1300 static void x86_cpuid_version_get_stepping(Object *obj, Visitor *v,
1301 void *opaque, const char *name,
1302 Error **errp)
1303 {
1304 X86CPU *cpu = X86_CPU(obj);
1305 CPUX86State *env = &cpu->env;
1306 int64_t value;
1307
1308 value = env->cpuid_version & 0xf;
1309 visit_type_int(v, &value, name, errp);
1310 }
1311
1312 static void x86_cpuid_version_set_stepping(Object *obj, Visitor *v,
1313 void *opaque, const char *name,
1314 Error **errp)
1315 {
1316 X86CPU *cpu = X86_CPU(obj);
1317 CPUX86State *env = &cpu->env;
1318 const int64_t min = 0;
1319 const int64_t max = 0xf;
1320 int64_t value;
1321
1322 visit_type_int(v, &value, name, errp);
1323 if (error_is_set(errp)) {
1324 return;
1325 }
1326 if (value < min || value > max) {
1327 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1328 name ? name : "null", value, min, max);
1329 return;
1330 }
1331
1332 env->cpuid_version &= ~0xf;
1333 env->cpuid_version |= value & 0xf;
1334 }
1335
1336 static void x86_cpuid_get_level(Object *obj, Visitor *v, void *opaque,
1337 const char *name, Error **errp)
1338 {
1339 X86CPU *cpu = X86_CPU(obj);
1340
1341 visit_type_uint32(v, &cpu->env.cpuid_level, name, errp);
1342 }
1343
1344 static void x86_cpuid_set_level(Object *obj, Visitor *v, void *opaque,
1345 const char *name, Error **errp)
1346 {
1347 X86CPU *cpu = X86_CPU(obj);
1348
1349 visit_type_uint32(v, &cpu->env.cpuid_level, name, errp);
1350 }
1351
1352 static void x86_cpuid_get_xlevel(Object *obj, Visitor *v, void *opaque,
1353 const char *name, Error **errp)
1354 {
1355 X86CPU *cpu = X86_CPU(obj);
1356
1357 visit_type_uint32(v, &cpu->env.cpuid_xlevel, name, errp);
1358 }
1359
1360 static void x86_cpuid_set_xlevel(Object *obj, Visitor *v, void *opaque,
1361 const char *name, Error **errp)
1362 {
1363 X86CPU *cpu = X86_CPU(obj);
1364
1365 visit_type_uint32(v, &cpu->env.cpuid_xlevel, name, errp);
1366 }
1367
1368 static char *x86_cpuid_get_vendor(Object *obj, Error **errp)
1369 {
1370 X86CPU *cpu = X86_CPU(obj);
1371 CPUX86State *env = &cpu->env;
1372 char *value;
1373
1374 value = (char *)g_malloc(CPUID_VENDOR_SZ + 1);
1375 x86_cpu_vendor_words2str(value, env->cpuid_vendor1, env->cpuid_vendor2,
1376 env->cpuid_vendor3);
1377 return value;
1378 }
1379
1380 static void x86_cpuid_set_vendor(Object *obj, const char *value,
1381 Error **errp)
1382 {
1383 X86CPU *cpu = X86_CPU(obj);
1384 CPUX86State *env = &cpu->env;
1385 int i;
1386
1387 if (strlen(value) != CPUID_VENDOR_SZ) {
1388 error_set(errp, QERR_PROPERTY_VALUE_BAD, "",
1389 "vendor", value);
1390 return;
1391 }
1392
1393 env->cpuid_vendor1 = 0;
1394 env->cpuid_vendor2 = 0;
1395 env->cpuid_vendor3 = 0;
1396 for (i = 0; i < 4; i++) {
1397 env->cpuid_vendor1 |= ((uint8_t)value[i ]) << (8 * i);
1398 env->cpuid_vendor2 |= ((uint8_t)value[i + 4]) << (8 * i);
1399 env->cpuid_vendor3 |= ((uint8_t)value[i + 8]) << (8 * i);
1400 }
1401 }
1402
1403 static char *x86_cpuid_get_model_id(Object *obj, Error **errp)
1404 {
1405 X86CPU *cpu = X86_CPU(obj);
1406 CPUX86State *env = &cpu->env;
1407 char *value;
1408 int i;
1409
1410 value = g_malloc(48 + 1);
1411 for (i = 0; i < 48; i++) {
1412 value[i] = env->cpuid_model[i >> 2] >> (8 * (i & 3));
1413 }
1414 value[48] = '\0';
1415 return value;
1416 }
1417
1418 static void x86_cpuid_set_model_id(Object *obj, const char *model_id,
1419 Error **errp)
1420 {
1421 X86CPU *cpu = X86_CPU(obj);
1422 CPUX86State *env = &cpu->env;
1423 int c, len, i;
1424
1425 if (model_id == NULL) {
1426 model_id = "";
1427 }
1428 len = strlen(model_id);
1429 memset(env->cpuid_model, 0, 48);
1430 for (i = 0; i < 48; i++) {
1431 if (i >= len) {
1432 c = '\0';
1433 } else {
1434 c = (uint8_t)model_id[i];
1435 }
1436 env->cpuid_model[i >> 2] |= c << (8 * (i & 3));
1437 }
1438 }
1439
1440 static void x86_cpuid_get_tsc_freq(Object *obj, Visitor *v, void *opaque,
1441 const char *name, Error **errp)
1442 {
1443 X86CPU *cpu = X86_CPU(obj);
1444 int64_t value;
1445
1446 value = cpu->env.tsc_khz * 1000;
1447 visit_type_int(v, &value, name, errp);
1448 }
1449
1450 static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, void *opaque,
1451 const char *name, Error **errp)
1452 {
1453 X86CPU *cpu = X86_CPU(obj);
1454 const int64_t min = 0;
1455 const int64_t max = INT64_MAX;
1456 int64_t value;
1457
1458 visit_type_int(v, &value, name, errp);
1459 if (error_is_set(errp)) {
1460 return;
1461 }
1462 if (value < min || value > max) {
1463 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1464 name ? name : "null", value, min, max);
1465 return;
1466 }
1467
1468 cpu->env.tsc_khz = value / 1000;
1469 }
1470
1471 static void x86_cpuid_get_apic_id(Object *obj, Visitor *v, void *opaque,
1472 const char *name, Error **errp)
1473 {
1474 X86CPU *cpu = X86_CPU(obj);
1475 int64_t value = cpu->env.cpuid_apic_id;
1476
1477 visit_type_int(v, &value, name, errp);
1478 }
1479
1480 static void x86_cpuid_set_apic_id(Object *obj, Visitor *v, void *opaque,
1481 const char *name, Error **errp)
1482 {
1483 X86CPU *cpu = X86_CPU(obj);
1484 DeviceState *dev = DEVICE(obj);
1485 const int64_t min = 0;
1486 const int64_t max = UINT32_MAX;
1487 Error *error = NULL;
1488 int64_t value;
1489
1490 if (dev->realized) {
1491 error_setg(errp, "Attempt to set property '%s' on '%s' after "
1492 "it was realized", name, object_get_typename(obj));
1493 return;
1494 }
1495
1496 visit_type_int(v, &value, name, &error);
1497 if (error) {
1498 error_propagate(errp, error);
1499 return;
1500 }
1501 if (value < min || value > max) {
1502 error_setg(errp, "Property %s.%s doesn't take value %" PRId64
1503 " (minimum: %" PRId64 ", maximum: %" PRId64 ")" ,
1504 object_get_typename(obj), name, value, min, max);
1505 return;
1506 }
1507
1508 if ((value != cpu->env.cpuid_apic_id) && cpu_exists(value)) {
1509 error_setg(errp, "CPU with APIC ID %" PRIi64 " exists", value);
1510 return;
1511 }
1512 cpu->env.cpuid_apic_id = value;
1513 }
1514
1515 /* Generic getter for "feature-words" and "filtered-features" properties */
1516 static void x86_cpu_get_feature_words(Object *obj, Visitor *v, void *opaque,
1517 const char *name, Error **errp)
1518 {
1519 uint32_t *array = (uint32_t *)opaque;
1520 FeatureWord w;
1521 Error *err = NULL;
1522 X86CPUFeatureWordInfo word_infos[FEATURE_WORDS] = { };
1523 X86CPUFeatureWordInfoList list_entries[FEATURE_WORDS] = { };
1524 X86CPUFeatureWordInfoList *list = NULL;
1525
1526 for (w = 0; w < FEATURE_WORDS; w++) {
1527 FeatureWordInfo *wi = &feature_word_info[w];
1528 X86CPUFeatureWordInfo *qwi = &word_infos[w];
1529 qwi->cpuid_input_eax = wi->cpuid_eax;
1530 qwi->has_cpuid_input_ecx = wi->cpuid_needs_ecx;
1531 qwi->cpuid_input_ecx = wi->cpuid_ecx;
1532 qwi->cpuid_register = x86_reg_info_32[wi->cpuid_reg].qapi_enum;
1533 qwi->features = array[w];
1534
1535 /* List will be in reverse order, but order shouldn't matter */
1536 list_entries[w].next = list;
1537 list_entries[w].value = &word_infos[w];
1538 list = &list_entries[w];
1539 }
1540
1541 visit_type_X86CPUFeatureWordInfoList(v, &list, "feature-words", &err);
1542 error_propagate(errp, err);
1543 }
1544
1545 static void x86_get_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
1546 const char *name, Error **errp)
1547 {
1548 X86CPU *cpu = X86_CPU(obj);
1549 int64_t value = cpu->hyperv_spinlock_attempts;
1550
1551 visit_type_int(v, &value, name, errp);
1552 }
1553
1554 static void x86_set_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
1555 const char *name, Error **errp)
1556 {
1557 const int64_t min = 0xFFF;
1558 const int64_t max = UINT_MAX;
1559 X86CPU *cpu = X86_CPU(obj);
1560 Error *err = NULL;
1561 int64_t value;
1562
1563 visit_type_int(v, &value, name, &err);
1564 if (err) {
1565 error_propagate(errp, err);
1566 return;
1567 }
1568
1569 if (value < min || value > max) {
1570 error_setg(errp, "Property %s.%s doesn't take value %" PRId64
1571 " (minimum: %" PRId64 ", maximum: %" PRId64 ")",
1572 object_get_typename(obj), name ? name : "null",
1573 value, min, max);
1574 return;
1575 }
1576 cpu->hyperv_spinlock_attempts = value;
1577 }
1578
1579 static PropertyInfo qdev_prop_spinlocks = {
1580 .name = "int",
1581 .get = x86_get_hv_spinlocks,
1582 .set = x86_set_hv_spinlocks,
1583 };
1584
1585 static int cpu_x86_find_by_name(X86CPU *cpu, X86CPUDefinition *x86_cpu_def,
1586 const char *name)
1587 {
1588 X86CPUDefinition *def;
1589 int i;
1590
1591 if (name == NULL) {
1592 return -1;
1593 }
1594 if (kvm_enabled() && strcmp(name, "host") == 0) {
1595 kvm_cpu_fill_host(x86_cpu_def);
1596 object_property_set_bool(OBJECT(cpu), true, "pmu", &error_abort);
1597 return 0;
1598 }
1599
1600 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
1601 def = &builtin_x86_defs[i];
1602 if (strcmp(name, def->name) == 0) {
1603 memcpy(x86_cpu_def, def, sizeof(*def));
1604 return 0;
1605 }
1606 }
1607
1608 return -1;
1609 }
1610
1611 /* Convert all '_' in a feature string option name to '-', to make feature
1612 * name conform to QOM property naming rule, which uses '-' instead of '_'.
1613 */
1614 static inline void feat2prop(char *s)
1615 {
1616 while ((s = strchr(s, '_'))) {
1617 *s = '-';
1618 }
1619 }
1620
1621 /* Parse "+feature,-feature,feature=foo" CPU feature string
1622 */
1623 static void cpu_x86_parse_featurestr(X86CPU *cpu, char *features, Error **errp)
1624 {
1625 char *featurestr; /* Single 'key=value" string being parsed */
1626 /* Features to be added */
1627 FeatureWordArray plus_features = { 0 };
1628 /* Features to be removed */
1629 FeatureWordArray minus_features = { 0 };
1630 uint32_t numvalue;
1631 CPUX86State *env = &cpu->env;
1632
1633 featurestr = features ? strtok(features, ",") : NULL;
1634
1635 while (featurestr) {
1636 char *val;
1637 if (featurestr[0] == '+') {
1638 add_flagname_to_bitmaps(featurestr + 1, plus_features);
1639 } else if (featurestr[0] == '-') {
1640 add_flagname_to_bitmaps(featurestr + 1, minus_features);
1641 } else if ((val = strchr(featurestr, '='))) {
1642 *val = 0; val++;
1643 feat2prop(featurestr);
1644 if (!strcmp(featurestr, "xlevel")) {
1645 char *err;
1646 char num[32];
1647
1648 numvalue = strtoul(val, &err, 0);
1649 if (!*val || *err) {
1650 error_setg(errp, "bad numerical value %s", val);
1651 goto out;
1652 }
1653 if (numvalue < 0x80000000) {
1654 fprintf(stderr, "xlevel value shall always be >= 0x80000000"
1655 ", fixup will be removed in future versions\n");
1656 numvalue += 0x80000000;
1657 }
1658 snprintf(num, sizeof(num), "%" PRIu32, numvalue);
1659 object_property_parse(OBJECT(cpu), num, featurestr, errp);
1660 } else if (!strcmp(featurestr, "tsc-freq")) {
1661 int64_t tsc_freq;
1662 char *err;
1663 char num[32];
1664
1665 tsc_freq = strtosz_suffix_unit(val, &err,
1666 STRTOSZ_DEFSUFFIX_B, 1000);
1667 if (tsc_freq < 0 || *err) {
1668 error_setg(errp, "bad numerical value %s", val);
1669 goto out;
1670 }
1671 snprintf(num, sizeof(num), "%" PRId64, tsc_freq);
1672 object_property_parse(OBJECT(cpu), num, "tsc-frequency", errp);
1673 } else if (!strcmp(featurestr, "hv-spinlocks")) {
1674 char *err;
1675 const int min = 0xFFF;
1676 char num[32];
1677 numvalue = strtoul(val, &err, 0);
1678 if (!*val || *err) {
1679 error_setg(errp, "bad numerical value %s", val);
1680 goto out;
1681 }
1682 if (numvalue < min) {
1683 fprintf(stderr, "hv-spinlocks value shall always be >= 0x%x"
1684 ", fixup will be removed in future versions\n",
1685 min);
1686 numvalue = min;
1687 }
1688 snprintf(num, sizeof(num), "%" PRId32, numvalue);
1689 object_property_parse(OBJECT(cpu), num, featurestr, errp);
1690 } else {
1691 object_property_parse(OBJECT(cpu), val, featurestr, errp);
1692 }
1693 } else {
1694 feat2prop(featurestr);
1695 object_property_parse(OBJECT(cpu), "on", featurestr, errp);
1696 }
1697 if (error_is_set(errp)) {
1698 goto out;
1699 }
1700 featurestr = strtok(NULL, ",");
1701 }
1702 env->features[FEAT_1_EDX] |= plus_features[FEAT_1_EDX];
1703 env->features[FEAT_1_ECX] |= plus_features[FEAT_1_ECX];
1704 env->features[FEAT_8000_0001_EDX] |= plus_features[FEAT_8000_0001_EDX];
1705 env->features[FEAT_8000_0001_ECX] |= plus_features[FEAT_8000_0001_ECX];
1706 env->features[FEAT_C000_0001_EDX] |= plus_features[FEAT_C000_0001_EDX];
1707 env->features[FEAT_KVM] |= plus_features[FEAT_KVM];
1708 env->features[FEAT_SVM] |= plus_features[FEAT_SVM];
1709 env->features[FEAT_7_0_EBX] |= plus_features[FEAT_7_0_EBX];
1710 env->features[FEAT_1_EDX] &= ~minus_features[FEAT_1_EDX];
1711 env->features[FEAT_1_ECX] &= ~minus_features[FEAT_1_ECX];
1712 env->features[FEAT_8000_0001_EDX] &= ~minus_features[FEAT_8000_0001_EDX];
1713 env->features[FEAT_8000_0001_ECX] &= ~minus_features[FEAT_8000_0001_ECX];
1714 env->features[FEAT_C000_0001_EDX] &= ~minus_features[FEAT_C000_0001_EDX];
1715 env->features[FEAT_KVM] &= ~minus_features[FEAT_KVM];
1716 env->features[FEAT_SVM] &= ~minus_features[FEAT_SVM];
1717 env->features[FEAT_7_0_EBX] &= ~minus_features[FEAT_7_0_EBX];
1718
1719 out:
1720 return;
1721 }
1722
1723 /* generate a composite string into buf of all cpuid names in featureset
1724 * selected by fbits. indicate truncation at bufsize in the event of overflow.
1725 * if flags, suppress names undefined in featureset.
1726 */
1727 static void listflags(char *buf, int bufsize, uint32_t fbits,
1728 const char **featureset, uint32_t flags)
1729 {
1730 const char **p = &featureset[31];
1731 char *q, *b, bit;
1732 int nc;
1733
1734 b = 4 <= bufsize ? buf + (bufsize -= 3) - 1 : NULL;
1735 *buf = '\0';
1736 for (q = buf, bit = 31; fbits && bufsize; --p, fbits &= ~(1 << bit), --bit)
1737 if (fbits & 1 << bit && (*p || !flags)) {
1738 if (*p)
1739 nc = snprintf(q, bufsize, "%s%s", q == buf ? "" : " ", *p);
1740 else
1741 nc = snprintf(q, bufsize, "%s[%d]", q == buf ? "" : " ", bit);
1742 if (bufsize <= nc) {
1743 if (b) {
1744 memcpy(b, "...", sizeof("..."));
1745 }
1746 return;
1747 }
1748 q += nc;
1749 bufsize -= nc;
1750 }
1751 }
1752
1753 /* generate CPU information. */
1754 void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf)
1755 {
1756 X86CPUDefinition *def;
1757 char buf[256];
1758 int i;
1759
1760 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
1761 def = &builtin_x86_defs[i];
1762 snprintf(buf, sizeof(buf), "%s", def->name);
1763 (*cpu_fprintf)(f, "x86 %16s %-48s\n", buf, def->model_id);
1764 }
1765 #ifdef CONFIG_KVM
1766 (*cpu_fprintf)(f, "x86 %16s %-48s\n", "host",
1767 "KVM processor with all supported host features "
1768 "(only available in KVM mode)");
1769 #endif
1770
1771 (*cpu_fprintf)(f, "\nRecognized CPUID flags:\n");
1772 for (i = 0; i < ARRAY_SIZE(feature_word_info); i++) {
1773 FeatureWordInfo *fw = &feature_word_info[i];
1774
1775 listflags(buf, sizeof(buf), (uint32_t)~0, fw->feat_names, 1);
1776 (*cpu_fprintf)(f, " %s\n", buf);
1777 }
1778 }
1779
1780 CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp)
1781 {
1782 CpuDefinitionInfoList *cpu_list = NULL;
1783 X86CPUDefinition *def;
1784 int i;
1785
1786 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
1787 CpuDefinitionInfoList *entry;
1788 CpuDefinitionInfo *info;
1789
1790 def = &builtin_x86_defs[i];
1791 info = g_malloc0(sizeof(*info));
1792 info->name = g_strdup(def->name);
1793
1794 entry = g_malloc0(sizeof(*entry));
1795 entry->value = info;
1796 entry->next = cpu_list;
1797 cpu_list = entry;
1798 }
1799
1800 return cpu_list;
1801 }
1802
1803 static void filter_features_for_kvm(X86CPU *cpu)
1804 {
1805 CPUX86State *env = &cpu->env;
1806 KVMState *s = kvm_state;
1807 FeatureWord w;
1808
1809 for (w = 0; w < FEATURE_WORDS; w++) {
1810 FeatureWordInfo *wi = &feature_word_info[w];
1811 uint32_t host_feat = kvm_arch_get_supported_cpuid(s, wi->cpuid_eax,
1812 wi->cpuid_ecx,
1813 wi->cpuid_reg);
1814 uint32_t requested_features = env->features[w];
1815 env->features[w] &= host_feat;
1816 cpu->filtered_features[w] = requested_features & ~env->features[w];
1817 }
1818 }
1819
1820 /* Load CPU definition for a given CPU model name
1821 */
1822 static void x86_cpu_load_def(X86CPU *cpu, const char *name, Error **errp)
1823 {
1824 CPUX86State *env = &cpu->env;
1825 X86CPUDefinition def1, *def = &def1;
1826 const char *vendor;
1827 char host_vendor[CPUID_VENDOR_SZ + 1];
1828
1829 memset(def, 0, sizeof(*def));
1830
1831 if (cpu_x86_find_by_name(cpu, def, name) < 0) {
1832 error_setg(errp, "Unable to find CPU definition: %s", name);
1833 return;
1834 }
1835
1836 object_property_set_int(OBJECT(cpu), def->level, "level", errp);
1837 object_property_set_int(OBJECT(cpu), def->family, "family", errp);
1838 object_property_set_int(OBJECT(cpu), def->model, "model", errp);
1839 object_property_set_int(OBJECT(cpu), def->stepping, "stepping", errp);
1840 env->features[FEAT_1_EDX] = def->features[FEAT_1_EDX];
1841 env->features[FEAT_1_ECX] = def->features[FEAT_1_ECX];
1842 env->features[FEAT_8000_0001_EDX] = def->features[FEAT_8000_0001_EDX];
1843 env->features[FEAT_8000_0001_ECX] = def->features[FEAT_8000_0001_ECX];
1844 object_property_set_int(OBJECT(cpu), def->xlevel, "xlevel", errp);
1845 env->features[FEAT_KVM] = def->features[FEAT_KVM];
1846 env->features[FEAT_SVM] = def->features[FEAT_SVM];
1847 env->features[FEAT_C000_0001_EDX] = def->features[FEAT_C000_0001_EDX];
1848 env->features[FEAT_7_0_EBX] = def->features[FEAT_7_0_EBX];
1849 env->cpuid_xlevel2 = def->xlevel2;
1850 cpu->cache_info_passthrough = def->cache_info_passthrough;
1851
1852 object_property_set_str(OBJECT(cpu), def->model_id, "model-id", errp);
1853
1854 /* Special cases not set in the X86CPUDefinition structs: */
1855 if (kvm_enabled()) {
1856 env->features[FEAT_KVM] |= kvm_default_features;
1857 }
1858 env->features[FEAT_1_ECX] |= CPUID_EXT_HYPERVISOR;
1859
1860 /* sysenter isn't supported in compatibility mode on AMD,
1861 * syscall isn't supported in compatibility mode on Intel.
1862 * Normally we advertise the actual CPU vendor, but you can
1863 * override this using the 'vendor' property if you want to use
1864 * KVM's sysenter/syscall emulation in compatibility mode and
1865 * when doing cross vendor migration
1866 */
1867 vendor = def->vendor;
1868 if (kvm_enabled()) {
1869 uint32_t ebx = 0, ecx = 0, edx = 0;
1870 host_cpuid(0, 0, NULL, &ebx, &ecx, &edx);
1871 x86_cpu_vendor_words2str(host_vendor, ebx, edx, ecx);
1872 vendor = host_vendor;
1873 }
1874
1875 object_property_set_str(OBJECT(cpu), vendor, "vendor", errp);
1876
1877 }
1878
1879 X86CPU *cpu_x86_create(const char *cpu_model, DeviceState *icc_bridge,
1880 Error **errp)
1881 {
1882 X86CPU *cpu = NULL;
1883 gchar **model_pieces;
1884 char *name, *features;
1885 char *typename;
1886 Error *error = NULL;
1887
1888 model_pieces = g_strsplit(cpu_model, ",", 2);
1889 if (!model_pieces[0]) {
1890 error_setg(&error, "Invalid/empty CPU model name");
1891 goto out;
1892 }
1893 name = model_pieces[0];
1894 features = model_pieces[1];
1895
1896 cpu = X86_CPU(object_new(TYPE_X86_CPU));
1897 x86_cpu_load_def(cpu, name, &error);
1898 if (error) {
1899 goto out;
1900 }
1901
1902 #ifndef CONFIG_USER_ONLY
1903 if (icc_bridge == NULL) {
1904 error_setg(&error, "Invalid icc-bridge value");
1905 goto out;
1906 }
1907 qdev_set_parent_bus(DEVICE(cpu), qdev_get_child_bus(icc_bridge, "icc"));
1908 object_unref(OBJECT(cpu));
1909 #endif
1910
1911 /* Emulate per-model subclasses for global properties */
1912 typename = g_strdup_printf("%s-" TYPE_X86_CPU, name);
1913 qdev_prop_set_globals_for_type(DEVICE(cpu), typename, &error);
1914 g_free(typename);
1915 if (error) {
1916 goto out;
1917 }
1918
1919 cpu_x86_parse_featurestr(cpu, features, &error);
1920 if (error) {
1921 goto out;
1922 }
1923
1924 out:
1925 if (error != NULL) {
1926 error_propagate(errp, error);
1927 object_unref(OBJECT(cpu));
1928 cpu = NULL;
1929 }
1930 g_strfreev(model_pieces);
1931 return cpu;
1932 }
1933
1934 X86CPU *cpu_x86_init(const char *cpu_model)
1935 {
1936 Error *error = NULL;
1937 X86CPU *cpu;
1938
1939 cpu = cpu_x86_create(cpu_model, NULL, &error);
1940 if (error) {
1941 goto out;
1942 }
1943
1944 object_property_set_bool(OBJECT(cpu), true, "realized", &error);
1945
1946 out:
1947 if (error) {
1948 error_report("%s", error_get_pretty(error));
1949 error_free(error);
1950 if (cpu != NULL) {
1951 object_unref(OBJECT(cpu));
1952 cpu = NULL;
1953 }
1954 }
1955 return cpu;
1956 }
1957
1958 #if !defined(CONFIG_USER_ONLY)
1959
1960 void cpu_clear_apic_feature(CPUX86State *env)
1961 {
1962 env->features[FEAT_1_EDX] &= ~CPUID_APIC;
1963 }
1964
1965 #endif /* !CONFIG_USER_ONLY */
1966
1967 /* Initialize list of CPU models, filling some non-static fields if necessary
1968 */
1969 void x86_cpudef_setup(void)
1970 {
1971 int i, j;
1972 static const char *model_with_versions[] = { "qemu32", "qemu64", "athlon" };
1973
1974 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); ++i) {
1975 X86CPUDefinition *def = &builtin_x86_defs[i];
1976
1977 /* Look for specific "cpudef" models that */
1978 /* have the QEMU version in .model_id */
1979 for (j = 0; j < ARRAY_SIZE(model_with_versions); j++) {
1980 if (strcmp(model_with_versions[j], def->name) == 0) {
1981 pstrcpy(def->model_id, sizeof(def->model_id),
1982 "QEMU Virtual CPU version ");
1983 pstrcat(def->model_id, sizeof(def->model_id),
1984 qemu_get_version());
1985 break;
1986 }
1987 }
1988 }
1989 }
1990
1991 static void get_cpuid_vendor(CPUX86State *env, uint32_t *ebx,
1992 uint32_t *ecx, uint32_t *edx)
1993 {
1994 *ebx = env->cpuid_vendor1;
1995 *edx = env->cpuid_vendor2;
1996 *ecx = env->cpuid_vendor3;
1997 }
1998
1999 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
2000 uint32_t *eax, uint32_t *ebx,
2001 uint32_t *ecx, uint32_t *edx)
2002 {
2003 X86CPU *cpu = x86_env_get_cpu(env);
2004 CPUState *cs = CPU(cpu);
2005
2006 /* test if maximum index reached */
2007 if (index & 0x80000000) {
2008 if (index > env->cpuid_xlevel) {
2009 if (env->cpuid_xlevel2 > 0) {
2010 /* Handle the Centaur's CPUID instruction. */
2011 if (index > env->cpuid_xlevel2) {
2012 index = env->cpuid_xlevel2;
2013 } else if (index < 0xC0000000) {
2014 index = env->cpuid_xlevel;
2015 }
2016 } else {
2017 /* Intel documentation states that invalid EAX input will
2018 * return the same information as EAX=cpuid_level
2019 * (Intel SDM Vol. 2A - Instruction Set Reference - CPUID)
2020 */
2021 index = env->cpuid_level;
2022 }
2023 }
2024 } else {
2025 if (index > env->cpuid_level)
2026 index = env->cpuid_level;
2027 }
2028
2029 switch(index) {
2030 case 0:
2031 *eax = env->cpuid_level;
2032 get_cpuid_vendor(env, ebx, ecx, edx);
2033 break;
2034 case 1:
2035 *eax = env->cpuid_version;
2036 *ebx = (env->cpuid_apic_id << 24) | 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */
2037 *ecx = env->features[FEAT_1_ECX];
2038 *edx = env->features[FEAT_1_EDX];
2039 if (cs->nr_cores * cs->nr_threads > 1) {
2040 *ebx |= (cs->nr_cores * cs->nr_threads) << 16;
2041 *edx |= 1 << 28; /* HTT bit */
2042 }
2043 break;
2044 case 2:
2045 /* cache info: needed for Pentium Pro compatibility */
2046 if (cpu->cache_info_passthrough) {
2047 host_cpuid(index, 0, eax, ebx, ecx, edx);
2048 break;
2049 }
2050 *eax = 1; /* Number of CPUID[EAX=2] calls required */
2051 *ebx = 0;
2052 *ecx = 0;
2053 *edx = (L1D_DESCRIPTOR << 16) | \
2054 (L1I_DESCRIPTOR << 8) | \
2055 (L2_DESCRIPTOR);
2056 break;
2057 case 4:
2058 /* cache info: needed for Core compatibility */
2059 if (cpu->cache_info_passthrough) {
2060 host_cpuid(index, count, eax, ebx, ecx, edx);
2061 *eax &= ~0xFC000000;
2062 } else {
2063 *eax = 0;
2064 switch (count) {
2065 case 0: /* L1 dcache info */
2066 *eax |= CPUID_4_TYPE_DCACHE | \
2067 CPUID_4_LEVEL(1) | \
2068 CPUID_4_SELF_INIT_LEVEL;
2069 *ebx = (L1D_LINE_SIZE - 1) | \
2070 ((L1D_PARTITIONS - 1) << 12) | \
2071 ((L1D_ASSOCIATIVITY - 1) << 22);
2072 *ecx = L1D_SETS - 1;
2073 *edx = CPUID_4_NO_INVD_SHARING;
2074 break;
2075 case 1: /* L1 icache info */
2076 *eax |= CPUID_4_TYPE_ICACHE | \
2077 CPUID_4_LEVEL(1) | \
2078 CPUID_4_SELF_INIT_LEVEL;
2079 *ebx = (L1I_LINE_SIZE - 1) | \
2080 ((L1I_PARTITIONS - 1) << 12) | \
2081 ((L1I_ASSOCIATIVITY - 1) << 22);
2082 *ecx = L1I_SETS - 1;
2083 *edx = CPUID_4_NO_INVD_SHARING;
2084 break;
2085 case 2: /* L2 cache info */
2086 *eax |= CPUID_4_TYPE_UNIFIED | \
2087 CPUID_4_LEVEL(2) | \
2088 CPUID_4_SELF_INIT_LEVEL;
2089 if (cs->nr_threads > 1) {
2090 *eax |= (cs->nr_threads - 1) << 14;
2091 }
2092 *ebx = (L2_LINE_SIZE - 1) | \
2093 ((L2_PARTITIONS - 1) << 12) | \
2094 ((L2_ASSOCIATIVITY - 1) << 22);
2095 *ecx = L2_SETS - 1;
2096 *edx = CPUID_4_NO_INVD_SHARING;
2097 break;
2098 default: /* end of info */
2099 *eax = 0;
2100 *ebx = 0;
2101 *ecx = 0;
2102 *edx = 0;
2103 break;
2104 }
2105 }
2106
2107 /* QEMU gives out its own APIC IDs, never pass down bits 31..26. */
2108 if ((*eax & 31) && cs->nr_cores > 1) {
2109 *eax |= (cs->nr_cores - 1) << 26;
2110 }
2111 break;
2112 case 5:
2113 /* mwait info: needed for Core compatibility */
2114 *eax = 0; /* Smallest monitor-line size in bytes */
2115 *ebx = 0; /* Largest monitor-line size in bytes */
2116 *ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE;
2117 *edx = 0;
2118 break;
2119 case 6:
2120 /* Thermal and Power Leaf */
2121 *eax = 0;
2122 *ebx = 0;
2123 *ecx = 0;
2124 *edx = 0;
2125 break;
2126 case 7:
2127 /* Structured Extended Feature Flags Enumeration Leaf */
2128 if (count == 0) {
2129 *eax = 0; /* Maximum ECX value for sub-leaves */
2130 *ebx = env->features[FEAT_7_0_EBX]; /* Feature flags */
2131 *ecx = 0; /* Reserved */
2132 *edx = 0; /* Reserved */
2133 } else {
2134 *eax = 0;
2135 *ebx = 0;
2136 *ecx = 0;
2137 *edx = 0;
2138 }
2139 break;
2140 case 9:
2141 /* Direct Cache Access Information Leaf */
2142 *eax = 0; /* Bits 0-31 in DCA_CAP MSR */
2143 *ebx = 0;
2144 *ecx = 0;
2145 *edx = 0;
2146 break;
2147 case 0xA:
2148 /* Architectural Performance Monitoring Leaf */
2149 if (kvm_enabled() && cpu->enable_pmu) {
2150 KVMState *s = cs->kvm_state;
2151
2152 *eax = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EAX);
2153 *ebx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EBX);
2154 *ecx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_ECX);
2155 *edx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EDX);
2156 } else {
2157 *eax = 0;
2158 *ebx = 0;
2159 *ecx = 0;
2160 *edx = 0;
2161 }
2162 break;
2163 case 0xD: {
2164 KVMState *s = cs->kvm_state;
2165 uint64_t kvm_mask;
2166 int i;
2167
2168 /* Processor Extended State */
2169 *eax = 0;
2170 *ebx = 0;
2171 *ecx = 0;
2172 *edx = 0;
2173 if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE) || !kvm_enabled()) {
2174 break;
2175 }
2176 kvm_mask =
2177 kvm_arch_get_supported_cpuid(s, 0xd, 0, R_EAX) |
2178 ((uint64_t)kvm_arch_get_supported_cpuid(s, 0xd, 0, R_EDX) << 32);
2179
2180 if (count == 0) {
2181 *ecx = 0x240;
2182 for (i = 2; i < ARRAY_SIZE(ext_save_areas); i++) {
2183 const ExtSaveArea *esa = &ext_save_areas[i];
2184 if ((env->features[esa->feature] & esa->bits) == esa->bits &&
2185 (kvm_mask & (1 << i)) != 0) {
2186 if (i < 32) {
2187 *eax |= 1 << i;
2188 } else {
2189 *edx |= 1 << (i - 32);
2190 }
2191 *ecx = MAX(*ecx, esa->offset + esa->size);
2192 }
2193 }
2194 *eax |= kvm_mask & (XSTATE_FP | XSTATE_SSE);
2195 *ebx = *ecx;
2196 } else if (count == 1) {
2197 *eax = kvm_arch_get_supported_cpuid(s, 0xd, 1, R_EAX);
2198 } else if (count < ARRAY_SIZE(ext_save_areas)) {
2199 const ExtSaveArea *esa = &ext_save_areas[count];
2200 if ((env->features[esa->feature] & esa->bits) == esa->bits &&
2201 (kvm_mask & (1 << count)) != 0) {
2202 *eax = esa->size;
2203 *ebx = esa->offset;
2204 }
2205 }
2206 break;
2207 }
2208 case 0x80000000:
2209 *eax = env->cpuid_xlevel;
2210 *ebx = env->cpuid_vendor1;
2211 *edx = env->cpuid_vendor2;
2212 *ecx = env->cpuid_vendor3;
2213 break;
2214 case 0x80000001:
2215 *eax = env->cpuid_version;
2216 *ebx = 0;
2217 *ecx = env->features[FEAT_8000_0001_ECX];
2218 *edx = env->features[FEAT_8000_0001_EDX];
2219
2220 /* The Linux kernel checks for the CMPLegacy bit and
2221 * discards multiple thread information if it is set.
2222 * So dont set it here for Intel to make Linux guests happy.
2223 */
2224 if (cs->nr_cores * cs->nr_threads > 1) {
2225 uint32_t tebx, tecx, tedx;
2226 get_cpuid_vendor(env, &tebx, &tecx, &tedx);
2227 if (tebx != CPUID_VENDOR_INTEL_1 ||
2228 tedx != CPUID_VENDOR_INTEL_2 ||
2229 tecx != CPUID_VENDOR_INTEL_3) {
2230 *ecx |= 1 << 1; /* CmpLegacy bit */
2231 }
2232 }
2233 break;
2234 case 0x80000002:
2235 case 0x80000003:
2236 case 0x80000004:
2237 *eax = env->cpuid_model[(index - 0x80000002) * 4 + 0];
2238 *ebx = env->cpuid_model[(index - 0x80000002) * 4 + 1];
2239 *ecx = env->cpuid_model[(index - 0x80000002) * 4 + 2];
2240 *edx = env->cpuid_model[(index - 0x80000002) * 4 + 3];
2241 break;
2242 case 0x80000005:
2243 /* cache info (L1 cache) */
2244 if (cpu->cache_info_passthrough) {
2245 host_cpuid(index, 0, eax, ebx, ecx, edx);
2246 break;
2247 }
2248 *eax = (L1_DTLB_2M_ASSOC << 24) | (L1_DTLB_2M_ENTRIES << 16) | \
2249 (L1_ITLB_2M_ASSOC << 8) | (L1_ITLB_2M_ENTRIES);
2250 *ebx = (L1_DTLB_4K_ASSOC << 24) | (L1_DTLB_4K_ENTRIES << 16) | \
2251 (L1_ITLB_4K_ASSOC << 8) | (L1_ITLB_4K_ENTRIES);
2252 *ecx = (L1D_SIZE_KB_AMD << 24) | (L1D_ASSOCIATIVITY_AMD << 16) | \
2253 (L1D_LINES_PER_TAG << 8) | (L1D_LINE_SIZE);
2254 *edx = (L1I_SIZE_KB_AMD << 24) | (L1I_ASSOCIATIVITY_AMD << 16) | \
2255 (L1I_LINES_PER_TAG << 8) | (L1I_LINE_SIZE);
2256 break;
2257 case 0x80000006:
2258 /* cache info (L2 cache) */
2259 if (cpu->cache_info_passthrough) {
2260 host_cpuid(index, 0, eax, ebx, ecx, edx);
2261 break;
2262 }
2263 *eax = (AMD_ENC_ASSOC(L2_DTLB_2M_ASSOC) << 28) | \
2264 (L2_DTLB_2M_ENTRIES << 16) | \
2265 (AMD_ENC_ASSOC(L2_ITLB_2M_ASSOC) << 12) | \
2266 (L2_ITLB_2M_ENTRIES);
2267 *ebx = (AMD_ENC_ASSOC(L2_DTLB_4K_ASSOC) << 28) | \
2268 (L2_DTLB_4K_ENTRIES << 16) | \
2269 (AMD_ENC_ASSOC(L2_ITLB_4K_ASSOC) << 12) | \
2270 (L2_ITLB_4K_ENTRIES);
2271 *ecx = (L2_SIZE_KB_AMD << 16) | \
2272 (AMD_ENC_ASSOC(L2_ASSOCIATIVITY) << 12) | \
2273 (L2_LINES_PER_TAG << 8) | (L2_LINE_SIZE);
2274 *edx = ((L3_SIZE_KB/512) << 18) | \
2275 (AMD_ENC_ASSOC(L3_ASSOCIATIVITY) << 12) | \
2276 (L3_LINES_PER_TAG << 8) | (L3_LINE_SIZE);
2277 break;
2278 case 0x80000008:
2279 /* virtual & phys address size in low 2 bytes. */
2280 /* XXX: This value must match the one used in the MMU code. */
2281 if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) {
2282 /* 64 bit processor */
2283 /* XXX: The physical address space is limited to 42 bits in exec.c. */
2284 *eax = 0x00003028; /* 48 bits virtual, 40 bits physical */
2285 } else {
2286 if (env->features[FEAT_1_EDX] & CPUID_PSE36) {
2287 *eax = 0x00000024; /* 36 bits physical */
2288 } else {
2289 *eax = 0x00000020; /* 32 bits physical */
2290 }
2291 }
2292 *ebx = 0;
2293 *ecx = 0;
2294 *edx = 0;
2295 if (cs->nr_cores * cs->nr_threads > 1) {
2296 *ecx |= (cs->nr_cores * cs->nr_threads) - 1;
2297 }
2298 break;
2299 case 0x8000000A:
2300 if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) {
2301 *eax = 0x00000001; /* SVM Revision */
2302 *ebx = 0x00000010; /* nr of ASIDs */
2303 *ecx = 0;
2304 *edx = env->features[FEAT_SVM]; /* optional features */
2305 } else {
2306 *eax = 0;
2307 *ebx = 0;
2308 *ecx = 0;
2309 *edx = 0;
2310 }
2311 break;
2312 case 0xC0000000:
2313 *eax = env->cpuid_xlevel2;
2314 *ebx = 0;
2315 *ecx = 0;
2316 *edx = 0;
2317 break;
2318 case 0xC0000001:
2319 /* Support for VIA CPU's CPUID instruction */
2320 *eax = env->cpuid_version;
2321 *ebx = 0;
2322 *ecx = 0;
2323 *edx = env->features[FEAT_C000_0001_EDX];
2324 break;
2325 case 0xC0000002:
2326 case 0xC0000003:
2327 case 0xC0000004:
2328 /* Reserved for the future, and now filled with zero */
2329 *eax = 0;
2330 *ebx = 0;
2331 *ecx = 0;
2332 *edx = 0;
2333 break;
2334 default:
2335 /* reserved values: zero */
2336 *eax = 0;
2337 *ebx = 0;
2338 *ecx = 0;
2339 *edx = 0;
2340 break;
2341 }
2342 }
2343
2344 /* CPUClass::reset() */
2345 static void x86_cpu_reset(CPUState *s)
2346 {
2347 X86CPU *cpu = X86_CPU(s);
2348 X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
2349 CPUX86State *env = &cpu->env;
2350 int i;
2351
2352 xcc->parent_reset(s);
2353
2354
2355 memset(env, 0, offsetof(CPUX86State, breakpoints));
2356
2357 tlb_flush(env, 1);
2358
2359 env->old_exception = -1;
2360
2361 /* init to reset state */
2362
2363 #ifdef CONFIG_SOFTMMU
2364 env->hflags |= HF_SOFTMMU_MASK;
2365 #endif
2366 env->hflags2 |= HF2_GIF_MASK;
2367
2368 cpu_x86_update_cr0(env, 0x60000010);
2369 env->a20_mask = ~0x0;
2370 env->smbase = 0x30000;
2371
2372 env->idt.limit = 0xffff;
2373 env->gdt.limit = 0xffff;
2374 env->ldt.limit = 0xffff;
2375 env->ldt.flags = DESC_P_MASK | (2 << DESC_TYPE_SHIFT);
2376 env->tr.limit = 0xffff;
2377 env->tr.flags = DESC_P_MASK | (11 << DESC_TYPE_SHIFT);
2378
2379 cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff,
2380 DESC_P_MASK | DESC_S_MASK | DESC_CS_MASK |
2381 DESC_R_MASK | DESC_A_MASK);
2382 cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff,
2383 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2384 DESC_A_MASK);
2385 cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff,
2386 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2387 DESC_A_MASK);
2388 cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff,
2389 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2390 DESC_A_MASK);
2391 cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff,
2392 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2393 DESC_A_MASK);
2394 cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff,
2395 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2396 DESC_A_MASK);
2397
2398 env->eip = 0xfff0;
2399 env->regs[R_EDX] = env->cpuid_version;
2400
2401 env->eflags = 0x2;
2402
2403 /* FPU init */
2404 for (i = 0; i < 8; i++) {
2405 env->fptags[i] = 1;
2406 }
2407 env->fpuc = 0x37f;
2408
2409 env->mxcsr = 0x1f80;
2410 env->xstate_bv = XSTATE_FP | XSTATE_SSE;
2411
2412 env->pat = 0x0007040600070406ULL;
2413 env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT;
2414
2415 memset(env->dr, 0, sizeof(env->dr));
2416 env->dr[6] = DR6_FIXED_1;
2417 env->dr[7] = DR7_FIXED_1;
2418 cpu_breakpoint_remove_all(env, BP_CPU);
2419 cpu_watchpoint_remove_all(env, BP_CPU);
2420
2421 env->tsc_adjust = 0;
2422 env->tsc = 0;
2423
2424 #if !defined(CONFIG_USER_ONLY)
2425 /* We hard-wire the BSP to the first CPU. */
2426 if (s->cpu_index == 0) {
2427 apic_designate_bsp(cpu->apic_state);
2428 }
2429
2430 s->halted = !cpu_is_bsp(cpu);
2431 #endif
2432 }
2433
2434 #ifndef CONFIG_USER_ONLY
2435 bool cpu_is_bsp(X86CPU *cpu)
2436 {
2437 return cpu_get_apic_base(cpu->apic_state) & MSR_IA32_APICBASE_BSP;
2438 }
2439
2440 /* TODO: remove me, when reset over QOM tree is implemented */
2441 static void x86_cpu_machine_reset_cb(void *opaque)
2442 {
2443 X86CPU *cpu = opaque;
2444 cpu_reset(CPU(cpu));
2445 }
2446 #endif
2447
2448 static void mce_init(X86CPU *cpu)
2449 {
2450 CPUX86State *cenv = &cpu->env;
2451 unsigned int bank;
2452
2453 if (((cenv->cpuid_version >> 8) & 0xf) >= 6
2454 && (cenv->features[FEAT_1_EDX] & (CPUID_MCE | CPUID_MCA)) ==
2455 (CPUID_MCE | CPUID_MCA)) {
2456 cenv->mcg_cap = MCE_CAP_DEF | MCE_BANKS_DEF;
2457 cenv->mcg_ctl = ~(uint64_t)0;
2458 for (bank = 0; bank < MCE_BANKS_DEF; bank++) {
2459 cenv->mce_banks[bank * 4] = ~(uint64_t)0;
2460 }
2461 }
2462 }
2463
2464 #ifndef CONFIG_USER_ONLY
2465 static void x86_cpu_apic_create(X86CPU *cpu, Error **errp)
2466 {
2467 CPUX86State *env = &cpu->env;
2468 DeviceState *dev = DEVICE(cpu);
2469 APICCommonState *apic;
2470 const char *apic_type = "apic";
2471
2472 if (kvm_irqchip_in_kernel()) {
2473 apic_type = "kvm-apic";
2474 } else if (xen_enabled()) {
2475 apic_type = "xen-apic";
2476 }
2477
2478 cpu->apic_state = qdev_try_create(qdev_get_parent_bus(dev), apic_type);
2479 if (cpu->apic_state == NULL) {
2480 error_setg(errp, "APIC device '%s' could not be created", apic_type);
2481 return;
2482 }
2483
2484 object_property_add_child(OBJECT(cpu), "apic",
2485 OBJECT(cpu->apic_state), NULL);
2486 qdev_prop_set_uint8(cpu->apic_state, "id", env->cpuid_apic_id);
2487 /* TODO: convert to link<> */
2488 apic = APIC_COMMON(cpu->apic_state);
2489 apic->cpu = cpu;
2490 }
2491
2492 static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
2493 {
2494 if (cpu->apic_state == NULL) {
2495 return;
2496 }
2497
2498 if (qdev_init(cpu->apic_state)) {
2499 error_setg(errp, "APIC device '%s' could not be initialized",
2500 object_get_typename(OBJECT(cpu->apic_state)));
2501 return;
2502 }
2503 }
2504 #else
2505 static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
2506 {
2507 }
2508 #endif
2509
2510 static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
2511 {
2512 CPUState *cs = CPU(dev);
2513 X86CPU *cpu = X86_CPU(dev);
2514 X86CPUClass *xcc = X86_CPU_GET_CLASS(dev);
2515 CPUX86State *env = &cpu->env;
2516 Error *local_err = NULL;
2517
2518 if (env->features[FEAT_7_0_EBX] && env->cpuid_level < 7) {
2519 env->cpuid_level = 7;
2520 }
2521
2522 /* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on
2523 * CPUID[1].EDX.
2524 */
2525 if (env->cpuid_vendor1 == CPUID_VENDOR_AMD_1 &&
2526 env->cpuid_vendor2 == CPUID_VENDOR_AMD_2 &&
2527 env->cpuid_vendor3 == CPUID_VENDOR_AMD_3) {
2528 env->features[FEAT_8000_0001_EDX] &= ~CPUID_EXT2_AMD_ALIASES;
2529 env->features[FEAT_8000_0001_EDX] |= (env->features[FEAT_1_EDX]
2530 & CPUID_EXT2_AMD_ALIASES);
2531 }
2532
2533 if (!kvm_enabled()) {
2534 env->features[FEAT_1_EDX] &= TCG_FEATURES;
2535 env->features[FEAT_1_ECX] &= TCG_EXT_FEATURES;
2536 env->features[FEAT_8000_0001_EDX] &= (TCG_EXT2_FEATURES
2537 #ifdef TARGET_X86_64
2538 | CPUID_EXT2_SYSCALL | CPUID_EXT2_LM
2539 #endif
2540 );
2541 env->features[FEAT_8000_0001_ECX] &= TCG_EXT3_FEATURES;
2542 env->features[FEAT_SVM] &= TCG_SVM_FEATURES;
2543 } else {
2544 KVMState *s = kvm_state;
2545 if ((cpu->check_cpuid || cpu->enforce_cpuid)
2546 && kvm_check_features_against_host(s, cpu) && cpu->enforce_cpuid) {
2547 error_setg(&local_err,
2548 "Host's CPU doesn't support requested features");
2549 goto out;
2550 }
2551 filter_features_for_kvm(cpu);
2552 }
2553
2554 #ifndef CONFIG_USER_ONLY
2555 qemu_register_reset(x86_cpu_machine_reset_cb, cpu);
2556
2557 if (cpu->env.features[FEAT_1_EDX] & CPUID_APIC || smp_cpus > 1) {
2558 x86_cpu_apic_create(cpu, &local_err);
2559 if (local_err != NULL) {
2560 goto out;
2561 }
2562 }
2563 #endif
2564
2565 mce_init(cpu);
2566 qemu_init_vcpu(cs);
2567
2568 x86_cpu_apic_realize(cpu, &local_err);
2569 if (local_err != NULL) {
2570 goto out;
2571 }
2572 cpu_reset(cs);
2573
2574 xcc->parent_realize(dev, &local_err);
2575 out:
2576 if (local_err != NULL) {
2577 error_propagate(errp, local_err);
2578 return;
2579 }
2580 }
2581
2582 /* Enables contiguous-apic-ID mode, for compatibility */
2583 static bool compat_apic_id_mode;
2584
2585 void enable_compat_apic_id_mode(void)
2586 {
2587 compat_apic_id_mode = true;
2588 }
2589
2590 /* Calculates initial APIC ID for a specific CPU index
2591 *
2592 * Currently we need to be able to calculate the APIC ID from the CPU index
2593 * alone (without requiring a CPU object), as the QEMU<->Seabios interfaces have
2594 * no concept of "CPU index", and the NUMA tables on fw_cfg need the APIC ID of
2595 * all CPUs up to max_cpus.
2596 */
2597 uint32_t x86_cpu_apic_id_from_index(unsigned int cpu_index)
2598 {
2599 uint32_t correct_id;
2600 static bool warned;
2601
2602 correct_id = x86_apicid_from_cpu_idx(smp_cores, smp_threads, cpu_index);
2603 if (compat_apic_id_mode) {
2604 if (cpu_index != correct_id && !warned) {
2605 error_report("APIC IDs set in compatibility mode, "
2606 "CPU topology won't match the configuration");
2607 warned = true;
2608 }
2609 return cpu_index;
2610 } else {
2611 return correct_id;
2612 }
2613 }
2614
2615 static void x86_cpu_initfn(Object *obj)
2616 {
2617 CPUState *cs = CPU(obj);
2618 X86CPU *cpu = X86_CPU(obj);
2619 CPUX86State *env = &cpu->env;
2620 static int inited;
2621
2622 cs->env_ptr = env;
2623 cpu_exec_init(env);
2624
2625 object_property_add(obj, "family", "int",
2626 x86_cpuid_version_get_family,
2627 x86_cpuid_version_set_family, NULL, NULL, NULL);
2628 object_property_add(obj, "model", "int",
2629 x86_cpuid_version_get_model,
2630 x86_cpuid_version_set_model, NULL, NULL, NULL);
2631 object_property_add(obj, "stepping", "int",
2632 x86_cpuid_version_get_stepping,
2633 x86_cpuid_version_set_stepping, NULL, NULL, NULL);
2634 object_property_add(obj, "level", "int",
2635 x86_cpuid_get_level,
2636 x86_cpuid_set_level, NULL, NULL, NULL);
2637 object_property_add(obj, "xlevel", "int",
2638 x86_cpuid_get_xlevel,
2639 x86_cpuid_set_xlevel, NULL, NULL, NULL);
2640 object_property_add_str(obj, "vendor",
2641 x86_cpuid_get_vendor,
2642 x86_cpuid_set_vendor, NULL);
2643 object_property_add_str(obj, "model-id",
2644 x86_cpuid_get_model_id,
2645 x86_cpuid_set_model_id, NULL);
2646 object_property_add(obj, "tsc-frequency", "int",
2647 x86_cpuid_get_tsc_freq,
2648 x86_cpuid_set_tsc_freq, NULL, NULL, NULL);
2649 object_property_add(obj, "apic-id", "int",
2650 x86_cpuid_get_apic_id,
2651 x86_cpuid_set_apic_id, NULL, NULL, NULL);
2652 object_property_add(obj, "feature-words", "X86CPUFeatureWordInfo",
2653 x86_cpu_get_feature_words,
2654 NULL, NULL, (void *)env->features, NULL);
2655 object_property_add(obj, "filtered-features", "X86CPUFeatureWordInfo",
2656 x86_cpu_get_feature_words,
2657 NULL, NULL, (void *)cpu->filtered_features, NULL);
2658
2659 cpu->hyperv_spinlock_attempts = HYPERV_SPINLOCK_NEVER_RETRY;
2660 env->cpuid_apic_id = x86_cpu_apic_id_from_index(cs->cpu_index);
2661
2662 /* init various static tables used in TCG mode */
2663 if (tcg_enabled() && !inited) {
2664 inited = 1;
2665 optimize_flags_init();
2666 #ifndef CONFIG_USER_ONLY
2667 cpu_set_debug_excp_handler(breakpoint_handler);
2668 #endif
2669 }
2670 }
2671
2672 static int64_t x86_cpu_get_arch_id(CPUState *cs)
2673 {
2674 X86CPU *cpu = X86_CPU(cs);
2675 CPUX86State *env = &cpu->env;
2676
2677 return env->cpuid_apic_id;
2678 }
2679
2680 static bool x86_cpu_get_paging_enabled(const CPUState *cs)
2681 {
2682 X86CPU *cpu = X86_CPU(cs);
2683
2684 return cpu->env.cr[0] & CR0_PG_MASK;
2685 }
2686
2687 static void x86_cpu_set_pc(CPUState *cs, vaddr value)
2688 {
2689 X86CPU *cpu = X86_CPU(cs);
2690
2691 cpu->env.eip = value;
2692 }
2693
2694 static void x86_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
2695 {
2696 X86CPU *cpu = X86_CPU(cs);
2697
2698 cpu->env.eip = tb->pc - tb->cs_base;
2699 }
2700
2701 static bool x86_cpu_has_work(CPUState *cs)
2702 {
2703 X86CPU *cpu = X86_CPU(cs);
2704 CPUX86State *env = &cpu->env;
2705
2706 return ((cs->interrupt_request & (CPU_INTERRUPT_HARD |
2707 CPU_INTERRUPT_POLL)) &&
2708 (env->eflags & IF_MASK)) ||
2709 (cs->interrupt_request & (CPU_INTERRUPT_NMI |
2710 CPU_INTERRUPT_INIT |
2711 CPU_INTERRUPT_SIPI |
2712 CPU_INTERRUPT_MCE));
2713 }
2714
2715 static Property x86_cpu_properties[] = {
2716 DEFINE_PROP_BOOL("pmu", X86CPU, enable_pmu, false),
2717 { .name = "hv-spinlocks", .info = &qdev_prop_spinlocks },
2718 DEFINE_PROP_BOOL("hv-relaxed", X86CPU, hyperv_relaxed_timing, false),
2719 DEFINE_PROP_BOOL("hv-vapic", X86CPU, hyperv_vapic, false),
2720 DEFINE_PROP_BOOL("hv-time", X86CPU, hyperv_time, false),
2721 DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, false),
2722 DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false),
2723 DEFINE_PROP_END_OF_LIST()
2724 };
2725
2726 static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
2727 {
2728 X86CPUClass *xcc = X86_CPU_CLASS(oc);
2729 CPUClass *cc = CPU_CLASS(oc);
2730 DeviceClass *dc = DEVICE_CLASS(oc);
2731
2732 xcc->parent_realize = dc->realize;
2733 dc->realize = x86_cpu_realizefn;
2734 dc->bus_type = TYPE_ICC_BUS;
2735 dc->props = x86_cpu_properties;
2736
2737 xcc->parent_reset = cc->reset;
2738 cc->reset = x86_cpu_reset;
2739 cc->reset_dump_flags = CPU_DUMP_FPU | CPU_DUMP_CCOP;
2740
2741 cc->has_work = x86_cpu_has_work;
2742 cc->do_interrupt = x86_cpu_do_interrupt;
2743 cc->dump_state = x86_cpu_dump_state;
2744 cc->set_pc = x86_cpu_set_pc;
2745 cc->synchronize_from_tb = x86_cpu_synchronize_from_tb;
2746 cc->gdb_read_register = x86_cpu_gdb_read_register;
2747 cc->gdb_write_register = x86_cpu_gdb_write_register;
2748 cc->get_arch_id = x86_cpu_get_arch_id;
2749 cc->get_paging_enabled = x86_cpu_get_paging_enabled;
2750 #ifndef CONFIG_USER_ONLY
2751 cc->get_memory_mapping = x86_cpu_get_memory_mapping;
2752 cc->get_phys_page_debug = x86_cpu_get_phys_page_debug;
2753 cc->write_elf64_note = x86_cpu_write_elf64_note;
2754 cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote;
2755 cc->write_elf32_note = x86_cpu_write_elf32_note;
2756 cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote;
2757 cc->vmsd = &vmstate_x86_cpu;
2758 #endif
2759 cc->gdb_num_core_regs = CPU_NB_REGS * 2 + 25;
2760 }
2761
2762 static const TypeInfo x86_cpu_type_info = {
2763 .name = TYPE_X86_CPU,
2764 .parent = TYPE_CPU,
2765 .instance_size = sizeof(X86CPU),
2766 .instance_init = x86_cpu_initfn,
2767 .abstract = false,
2768 .class_size = sizeof(X86CPUClass),
2769 .class_init = x86_cpu_common_class_init,
2770 };
2771
2772 static void x86_cpu_register_types(void)
2773 {
2774 type_register_static(&x86_cpu_type_info);
2775 }
2776
2777 type_init(x86_cpu_register_types)
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