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Merge remote-tracking branch 'afaerber/tags/0.15-maintainer-for-anthony' into staging
[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 static void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
52 uint32_t vendor2, uint32_t vendor3)
53 {
54 int i;
55 for (i = 0; i < 4; i++) {
56 dst[i] = vendor1 >> (8 * i);
57 dst[i + 4] = vendor2 >> (8 * i);
58 dst[i + 8] = vendor3 >> (8 * i);
59 }
60 dst[CPUID_VENDOR_SZ] = '\0';
61 }
62
63 /* feature flags taken from "Intel Processor Identification and the CPUID
64 * Instruction" and AMD's "CPUID Specification". In cases of disagreement
65 * between feature naming conventions, aliases may be added.
66 */
67 static const char *feature_name[] = {
68 "fpu", "vme", "de", "pse",
69 "tsc", "msr", "pae", "mce",
70 "cx8", "apic", NULL, "sep",
71 "mtrr", "pge", "mca", "cmov",
72 "pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */,
73 NULL, "ds" /* Intel dts */, "acpi", "mmx",
74 "fxsr", "sse", "sse2", "ss",
75 "ht" /* Intel htt */, "tm", "ia64", "pbe",
76 };
77 static const char *ext_feature_name[] = {
78 "pni|sse3" /* Intel,AMD sse3 */, "pclmulqdq|pclmuldq", "dtes64", "monitor",
79 "ds_cpl", "vmx", "smx", "est",
80 "tm2", "ssse3", "cid", NULL,
81 "fma", "cx16", "xtpr", "pdcm",
82 NULL, "pcid", "dca", "sse4.1|sse4_1",
83 "sse4.2|sse4_2", "x2apic", "movbe", "popcnt",
84 "tsc-deadline", "aes", "xsave", "osxsave",
85 "avx", "f16c", "rdrand", "hypervisor",
86 };
87 /* Feature names that are already defined on feature_name[] but are set on
88 * CPUID[8000_0001].EDX on AMD CPUs don't have their names on
89 * ext2_feature_name[]. They are copied automatically to cpuid_ext2_features
90 * if and only if CPU vendor is AMD.
91 */
92 static const char *ext2_feature_name[] = {
93 NULL /* fpu */, NULL /* vme */, NULL /* de */, NULL /* pse */,
94 NULL /* tsc */, NULL /* msr */, NULL /* pae */, NULL /* mce */,
95 NULL /* cx8 */ /* AMD CMPXCHG8B */, NULL /* apic */, NULL, "syscall",
96 NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */,
97 NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */,
98 "nx|xd", NULL, "mmxext", NULL /* mmx */,
99 NULL /* fxsr */, "fxsr_opt|ffxsr", "pdpe1gb" /* AMD Page1GB */, "rdtscp",
100 NULL, "lm|i64", "3dnowext", "3dnow",
101 };
102 static const char *ext3_feature_name[] = {
103 "lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */,
104 "cr8legacy" /* AMD AltMovCr8 */, "abm", "sse4a", "misalignsse",
105 "3dnowprefetch", "osvw", "ibs", "xop",
106 "skinit", "wdt", NULL, "lwp",
107 "fma4", "tce", NULL, "nodeid_msr",
108 NULL, "tbm", "topoext", "perfctr_core",
109 "perfctr_nb", NULL, NULL, NULL,
110 NULL, NULL, NULL, NULL,
111 };
112
113 static const char *ext4_feature_name[] = {
114 NULL, NULL, "xstore", "xstore-en",
115 NULL, NULL, "xcrypt", "xcrypt-en",
116 "ace2", "ace2-en", "phe", "phe-en",
117 "pmm", "pmm-en", NULL, NULL,
118 NULL, NULL, NULL, NULL,
119 NULL, NULL, NULL, NULL,
120 NULL, NULL, NULL, NULL,
121 NULL, NULL, NULL, NULL,
122 };
123
124 static const char *kvm_feature_name[] = {
125 "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock",
126 "kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", NULL,
127 NULL, NULL, NULL, NULL,
128 NULL, NULL, NULL, NULL,
129 NULL, NULL, NULL, NULL,
130 NULL, NULL, NULL, NULL,
131 NULL, NULL, NULL, NULL,
132 NULL, NULL, NULL, NULL,
133 };
134
135 static const char *svm_feature_name[] = {
136 "npt", "lbrv", "svm_lock", "nrip_save",
137 "tsc_scale", "vmcb_clean", "flushbyasid", "decodeassists",
138 NULL, NULL, "pause_filter", NULL,
139 "pfthreshold", NULL, NULL, NULL,
140 NULL, NULL, NULL, NULL,
141 NULL, NULL, NULL, NULL,
142 NULL, NULL, NULL, NULL,
143 NULL, NULL, NULL, NULL,
144 };
145
146 static const char *cpuid_7_0_ebx_feature_name[] = {
147 "fsgsbase", NULL, NULL, "bmi1", "hle", "avx2", NULL, "smep",
148 "bmi2", "erms", "invpcid", "rtm", NULL, NULL, NULL, NULL,
149 NULL, NULL, "rdseed", "adx", "smap", NULL, NULL, NULL,
150 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
151 };
152
153 typedef struct FeatureWordInfo {
154 const char **feat_names;
155 uint32_t cpuid_eax; /* Input EAX for CPUID */
156 bool cpuid_needs_ecx; /* CPUID instruction uses ECX as input */
157 uint32_t cpuid_ecx; /* Input ECX value for CPUID */
158 int cpuid_reg; /* output register (R_* constant) */
159 } FeatureWordInfo;
160
161 static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
162 [FEAT_1_EDX] = {
163 .feat_names = feature_name,
164 .cpuid_eax = 1, .cpuid_reg = R_EDX,
165 },
166 [FEAT_1_ECX] = {
167 .feat_names = ext_feature_name,
168 .cpuid_eax = 1, .cpuid_reg = R_ECX,
169 },
170 [FEAT_8000_0001_EDX] = {
171 .feat_names = ext2_feature_name,
172 .cpuid_eax = 0x80000001, .cpuid_reg = R_EDX,
173 },
174 [FEAT_8000_0001_ECX] = {
175 .feat_names = ext3_feature_name,
176 .cpuid_eax = 0x80000001, .cpuid_reg = R_ECX,
177 },
178 [FEAT_C000_0001_EDX] = {
179 .feat_names = ext4_feature_name,
180 .cpuid_eax = 0xC0000001, .cpuid_reg = R_EDX,
181 },
182 [FEAT_KVM] = {
183 .feat_names = kvm_feature_name,
184 .cpuid_eax = KVM_CPUID_FEATURES, .cpuid_reg = R_EAX,
185 },
186 [FEAT_SVM] = {
187 .feat_names = svm_feature_name,
188 .cpuid_eax = 0x8000000A, .cpuid_reg = R_EDX,
189 },
190 [FEAT_7_0_EBX] = {
191 .feat_names = cpuid_7_0_ebx_feature_name,
192 .cpuid_eax = 7,
193 .cpuid_needs_ecx = true, .cpuid_ecx = 0,
194 .cpuid_reg = R_EBX,
195 },
196 };
197
198 typedef struct X86RegisterInfo32 {
199 /* Name of register */
200 const char *name;
201 /* QAPI enum value register */
202 X86CPURegister32 qapi_enum;
203 } X86RegisterInfo32;
204
205 #define REGISTER(reg) \
206 [R_##reg] = { .name = #reg, .qapi_enum = X86_C_P_U_REGISTER32_##reg }
207 X86RegisterInfo32 x86_reg_info_32[CPU_NB_REGS32] = {
208 REGISTER(EAX),
209 REGISTER(ECX),
210 REGISTER(EDX),
211 REGISTER(EBX),
212 REGISTER(ESP),
213 REGISTER(EBP),
214 REGISTER(ESI),
215 REGISTER(EDI),
216 };
217 #undef REGISTER
218
219
220 const char *get_register_name_32(unsigned int reg)
221 {
222 if (reg >= CPU_NB_REGS32) {
223 return NULL;
224 }
225 return x86_reg_info_32[reg].name;
226 }
227
228 /* collects per-function cpuid data
229 */
230 typedef struct model_features_t {
231 uint32_t *guest_feat;
232 uint32_t *host_feat;
233 FeatureWord feat_word;
234 } model_features_t;
235
236 int check_cpuid = 0;
237 int enforce_cpuid = 0;
238
239 static uint32_t kvm_default_features = (1 << KVM_FEATURE_CLOCKSOURCE) |
240 (1 << KVM_FEATURE_NOP_IO_DELAY) |
241 (1 << KVM_FEATURE_CLOCKSOURCE2) |
242 (1 << KVM_FEATURE_ASYNC_PF) |
243 (1 << KVM_FEATURE_STEAL_TIME) |
244 (1 << KVM_FEATURE_PV_EOI) |
245 (1 << KVM_FEATURE_CLOCKSOURCE_STABLE_BIT);
246
247 void disable_kvm_pv_eoi(void)
248 {
249 kvm_default_features &= ~(1UL << KVM_FEATURE_PV_EOI);
250 }
251
252 void host_cpuid(uint32_t function, uint32_t count,
253 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
254 {
255 #if defined(CONFIG_KVM)
256 uint32_t vec[4];
257
258 #ifdef __x86_64__
259 asm volatile("cpuid"
260 : "=a"(vec[0]), "=b"(vec[1]),
261 "=c"(vec[2]), "=d"(vec[3])
262 : "0"(function), "c"(count) : "cc");
263 #else
264 asm volatile("pusha \n\t"
265 "cpuid \n\t"
266 "mov %%eax, 0(%2) \n\t"
267 "mov %%ebx, 4(%2) \n\t"
268 "mov %%ecx, 8(%2) \n\t"
269 "mov %%edx, 12(%2) \n\t"
270 "popa"
271 : : "a"(function), "c"(count), "S"(vec)
272 : "memory", "cc");
273 #endif
274
275 if (eax)
276 *eax = vec[0];
277 if (ebx)
278 *ebx = vec[1];
279 if (ecx)
280 *ecx = vec[2];
281 if (edx)
282 *edx = vec[3];
283 #endif
284 }
285
286 #define iswhite(c) ((c) && ((c) <= ' ' || '~' < (c)))
287
288 /* general substring compare of *[s1..e1) and *[s2..e2). sx is start of
289 * a substring. ex if !NULL points to the first char after a substring,
290 * otherwise the string is assumed to sized by a terminating nul.
291 * Return lexical ordering of *s1:*s2.
292 */
293 static int sstrcmp(const char *s1, const char *e1, const char *s2,
294 const char *e2)
295 {
296 for (;;) {
297 if (!*s1 || !*s2 || *s1 != *s2)
298 return (*s1 - *s2);
299 ++s1, ++s2;
300 if (s1 == e1 && s2 == e2)
301 return (0);
302 else if (s1 == e1)
303 return (*s2);
304 else if (s2 == e2)
305 return (*s1);
306 }
307 }
308
309 /* compare *[s..e) to *altstr. *altstr may be a simple string or multiple
310 * '|' delimited (possibly empty) strings in which case search for a match
311 * within the alternatives proceeds left to right. Return 0 for success,
312 * non-zero otherwise.
313 */
314 static int altcmp(const char *s, const char *e, const char *altstr)
315 {
316 const char *p, *q;
317
318 for (q = p = altstr; ; ) {
319 while (*p && *p != '|')
320 ++p;
321 if ((q == p && !*s) || (q != p && !sstrcmp(s, e, q, p)))
322 return (0);
323 if (!*p)
324 return (1);
325 else
326 q = ++p;
327 }
328 }
329
330 /* search featureset for flag *[s..e), if found set corresponding bit in
331 * *pval and return true, otherwise return false
332 */
333 static bool lookup_feature(uint32_t *pval, const char *s, const char *e,
334 const char **featureset)
335 {
336 uint32_t mask;
337 const char **ppc;
338 bool found = false;
339
340 for (mask = 1, ppc = featureset; mask; mask <<= 1, ++ppc) {
341 if (*ppc && !altcmp(s, e, *ppc)) {
342 *pval |= mask;
343 found = true;
344 }
345 }
346 return found;
347 }
348
349 static void add_flagname_to_bitmaps(const char *flagname,
350 FeatureWordArray words)
351 {
352 FeatureWord w;
353 for (w = 0; w < FEATURE_WORDS; w++) {
354 FeatureWordInfo *wi = &feature_word_info[w];
355 if (wi->feat_names &&
356 lookup_feature(&words[w], flagname, NULL, wi->feat_names)) {
357 break;
358 }
359 }
360 if (w == FEATURE_WORDS) {
361 fprintf(stderr, "CPU feature %s not found\n", flagname);
362 }
363 }
364
365 typedef struct x86_def_t {
366 const char *name;
367 uint32_t level;
368 uint32_t xlevel;
369 uint32_t xlevel2;
370 /* vendor is zero-terminated, 12 character ASCII string */
371 char vendor[CPUID_VENDOR_SZ + 1];
372 int family;
373 int model;
374 int stepping;
375 FeatureWordArray features;
376 char model_id[48];
377 } x86_def_t;
378
379 #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
380 #define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
381 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
382 #define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
383 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
384 CPUID_PSE36 | CPUID_FXSR)
385 #define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
386 #define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
387 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
388 CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
389 CPUID_PAE | CPUID_SEP | CPUID_APIC)
390
391 #define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
392 CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
393 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
394 CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
395 CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS)
396 /* partly implemented:
397 CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64)
398 CPUID_PSE36 (needed for Solaris) */
399 /* missing:
400 CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
401 #define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \
402 CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \
403 CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \
404 CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR)
405 /* missing:
406 CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_SMX,
407 CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_CID, CPUID_EXT_FMA,
408 CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_PCID, CPUID_EXT_DCA,
409 CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER, CPUID_EXT_XSAVE,
410 CPUID_EXT_OSXSAVE, CPUID_EXT_AVX, CPUID_EXT_F16C,
411 CPUID_EXT_RDRAND */
412 #define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
413 CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
414 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT)
415 /* missing:
416 CPUID_EXT2_PDPE1GB */
417 #define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
418 CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
419 #define TCG_SVM_FEATURES 0
420 #define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP \
421 CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX)
422 /* missing:
423 CPUID_7_0_EBX_FSGSBASE, CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,
424 CPUID_7_0_EBX_ERMS, CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
425 CPUID_7_0_EBX_RDSEED */
426
427 /* built-in CPU model definitions
428 */
429 static x86_def_t builtin_x86_defs[] = {
430 {
431 .name = "qemu64",
432 .level = 4,
433 .vendor = CPUID_VENDOR_AMD,
434 .family = 6,
435 .model = 2,
436 .stepping = 3,
437 .features[FEAT_1_EDX] =
438 PPRO_FEATURES |
439 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
440 CPUID_PSE36,
441 .features[FEAT_1_ECX] =
442 CPUID_EXT_SSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT,
443 .features[FEAT_8000_0001_EDX] =
444 (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
445 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
446 .features[FEAT_8000_0001_ECX] =
447 CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
448 CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
449 .xlevel = 0x8000000A,
450 },
451 {
452 .name = "phenom",
453 .level = 5,
454 .vendor = CPUID_VENDOR_AMD,
455 .family = 16,
456 .model = 2,
457 .stepping = 3,
458 .features[FEAT_1_EDX] =
459 PPRO_FEATURES |
460 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
461 CPUID_PSE36 | CPUID_VME | CPUID_HT,
462 .features[FEAT_1_ECX] =
463 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 |
464 CPUID_EXT_POPCNT,
465 .features[FEAT_8000_0001_EDX] =
466 (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
467 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX |
468 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT |
469 CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP,
470 /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
471 CPUID_EXT3_CR8LEG,
472 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
473 CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
474 .features[FEAT_8000_0001_ECX] =
475 CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
476 CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
477 .features[FEAT_SVM] =
478 CPUID_SVM_NPT | CPUID_SVM_LBRV,
479 .xlevel = 0x8000001A,
480 .model_id = "AMD Phenom(tm) 9550 Quad-Core Processor"
481 },
482 {
483 .name = "core2duo",
484 .level = 10,
485 .vendor = CPUID_VENDOR_INTEL,
486 .family = 6,
487 .model = 15,
488 .stepping = 11,
489 .features[FEAT_1_EDX] =
490 PPRO_FEATURES |
491 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
492 CPUID_PSE36 | CPUID_VME | CPUID_DTS | CPUID_ACPI | CPUID_SS |
493 CPUID_HT | CPUID_TM | CPUID_PBE,
494 .features[FEAT_1_ECX] =
495 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
496 CPUID_EXT_DTES64 | CPUID_EXT_DSCPL | CPUID_EXT_VMX | CPUID_EXT_EST |
497 CPUID_EXT_TM2 | CPUID_EXT_CX16 | CPUID_EXT_XTPR | CPUID_EXT_PDCM,
498 .features[FEAT_8000_0001_EDX] =
499 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
500 .features[FEAT_8000_0001_ECX] =
501 CPUID_EXT3_LAHF_LM,
502 .xlevel = 0x80000008,
503 .model_id = "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz",
504 },
505 {
506 .name = "kvm64",
507 .level = 5,
508 .vendor = CPUID_VENDOR_INTEL,
509 .family = 15,
510 .model = 6,
511 .stepping = 1,
512 /* Missing: CPUID_VME, CPUID_HT */
513 .features[FEAT_1_EDX] =
514 PPRO_FEATURES |
515 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
516 CPUID_PSE36,
517 /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
518 .features[FEAT_1_ECX] =
519 CPUID_EXT_SSE3 | CPUID_EXT_CX16,
520 /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
521 .features[FEAT_8000_0001_EDX] =
522 (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
523 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
524 /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
525 CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
526 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
527 CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
528 .features[FEAT_8000_0001_ECX] =
529 0,
530 .xlevel = 0x80000008,
531 .model_id = "Common KVM processor"
532 },
533 {
534 .name = "qemu32",
535 .level = 4,
536 .vendor = CPUID_VENDOR_INTEL,
537 .family = 6,
538 .model = 3,
539 .stepping = 3,
540 .features[FEAT_1_EDX] =
541 PPRO_FEATURES,
542 .features[FEAT_1_ECX] =
543 CPUID_EXT_SSE3 | CPUID_EXT_POPCNT,
544 .xlevel = 0x80000004,
545 },
546 {
547 .name = "kvm32",
548 .level = 5,
549 .vendor = CPUID_VENDOR_INTEL,
550 .family = 15,
551 .model = 6,
552 .stepping = 1,
553 .features[FEAT_1_EDX] =
554 PPRO_FEATURES |
555 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36,
556 .features[FEAT_1_ECX] =
557 CPUID_EXT_SSE3,
558 .features[FEAT_8000_0001_EDX] =
559 PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES,
560 .features[FEAT_8000_0001_ECX] =
561 0,
562 .xlevel = 0x80000008,
563 .model_id = "Common 32-bit KVM processor"
564 },
565 {
566 .name = "coreduo",
567 .level = 10,
568 .vendor = CPUID_VENDOR_INTEL,
569 .family = 6,
570 .model = 14,
571 .stepping = 8,
572 .features[FEAT_1_EDX] =
573 PPRO_FEATURES | CPUID_VME |
574 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_DTS | CPUID_ACPI |
575 CPUID_SS | CPUID_HT | CPUID_TM | CPUID_PBE,
576 .features[FEAT_1_ECX] =
577 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_VMX |
578 CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR | CPUID_EXT_PDCM,
579 .features[FEAT_8000_0001_EDX] =
580 CPUID_EXT2_NX,
581 .xlevel = 0x80000008,
582 .model_id = "Genuine Intel(R) CPU T2600 @ 2.16GHz",
583 },
584 {
585 .name = "486",
586 .level = 1,
587 .vendor = CPUID_VENDOR_INTEL,
588 .family = 4,
589 .model = 8,
590 .stepping = 0,
591 .features[FEAT_1_EDX] =
592 I486_FEATURES,
593 .xlevel = 0,
594 },
595 {
596 .name = "pentium",
597 .level = 1,
598 .vendor = CPUID_VENDOR_INTEL,
599 .family = 5,
600 .model = 4,
601 .stepping = 3,
602 .features[FEAT_1_EDX] =
603 PENTIUM_FEATURES,
604 .xlevel = 0,
605 },
606 {
607 .name = "pentium2",
608 .level = 2,
609 .vendor = CPUID_VENDOR_INTEL,
610 .family = 6,
611 .model = 5,
612 .stepping = 2,
613 .features[FEAT_1_EDX] =
614 PENTIUM2_FEATURES,
615 .xlevel = 0,
616 },
617 {
618 .name = "pentium3",
619 .level = 2,
620 .vendor = CPUID_VENDOR_INTEL,
621 .family = 6,
622 .model = 7,
623 .stepping = 3,
624 .features[FEAT_1_EDX] =
625 PENTIUM3_FEATURES,
626 .xlevel = 0,
627 },
628 {
629 .name = "athlon",
630 .level = 2,
631 .vendor = CPUID_VENDOR_AMD,
632 .family = 6,
633 .model = 2,
634 .stepping = 3,
635 .features[FEAT_1_EDX] =
636 PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR |
637 CPUID_MCA,
638 .features[FEAT_8000_0001_EDX] =
639 (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
640 CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT,
641 .xlevel = 0x80000008,
642 },
643 {
644 .name = "n270",
645 /* original is on level 10 */
646 .level = 5,
647 .vendor = CPUID_VENDOR_INTEL,
648 .family = 6,
649 .model = 28,
650 .stepping = 2,
651 .features[FEAT_1_EDX] =
652 PPRO_FEATURES |
653 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME | CPUID_DTS |
654 CPUID_ACPI | CPUID_SS | CPUID_HT | CPUID_TM | CPUID_PBE,
655 /* Some CPUs got no CPUID_SEP */
656 .features[FEAT_1_ECX] =
657 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
658 CPUID_EXT_DSCPL | CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR |
659 CPUID_EXT_MOVBE,
660 .features[FEAT_8000_0001_EDX] =
661 (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
662 CPUID_EXT2_NX,
663 .features[FEAT_8000_0001_ECX] =
664 CPUID_EXT3_LAHF_LM,
665 .xlevel = 0x8000000A,
666 .model_id = "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
667 },
668 {
669 .name = "Conroe",
670 .level = 4,
671 .vendor = CPUID_VENDOR_INTEL,
672 .family = 6,
673 .model = 15,
674 .stepping = 3,
675 .features[FEAT_1_EDX] =
676 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
677 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
678 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
679 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
680 CPUID_DE | CPUID_FP87,
681 .features[FEAT_1_ECX] =
682 CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
683 .features[FEAT_8000_0001_EDX] =
684 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
685 .features[FEAT_8000_0001_ECX] =
686 CPUID_EXT3_LAHF_LM,
687 .xlevel = 0x8000000A,
688 .model_id = "Intel Celeron_4x0 (Conroe/Merom Class Core 2)",
689 },
690 {
691 .name = "Penryn",
692 .level = 4,
693 .vendor = CPUID_VENDOR_INTEL,
694 .family = 6,
695 .model = 23,
696 .stepping = 3,
697 .features[FEAT_1_EDX] =
698 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
699 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
700 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
701 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
702 CPUID_DE | CPUID_FP87,
703 .features[FEAT_1_ECX] =
704 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
705 CPUID_EXT_SSE3,
706 .features[FEAT_8000_0001_EDX] =
707 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
708 .features[FEAT_8000_0001_ECX] =
709 CPUID_EXT3_LAHF_LM,
710 .xlevel = 0x8000000A,
711 .model_id = "Intel Core 2 Duo P9xxx (Penryn Class Core 2)",
712 },
713 {
714 .name = "Nehalem",
715 .level = 4,
716 .vendor = CPUID_VENDOR_INTEL,
717 .family = 6,
718 .model = 26,
719 .stepping = 3,
720 .features[FEAT_1_EDX] =
721 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
722 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
723 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
724 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
725 CPUID_DE | CPUID_FP87,
726 .features[FEAT_1_ECX] =
727 CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
728 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
729 .features[FEAT_8000_0001_EDX] =
730 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
731 .features[FEAT_8000_0001_ECX] =
732 CPUID_EXT3_LAHF_LM,
733 .xlevel = 0x8000000A,
734 .model_id = "Intel Core i7 9xx (Nehalem Class Core i7)",
735 },
736 {
737 .name = "Westmere",
738 .level = 11,
739 .vendor = CPUID_VENDOR_INTEL,
740 .family = 6,
741 .model = 44,
742 .stepping = 1,
743 .features[FEAT_1_EDX] =
744 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
745 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
746 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
747 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
748 CPUID_DE | CPUID_FP87,
749 .features[FEAT_1_ECX] =
750 CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
751 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
752 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
753 .features[FEAT_8000_0001_EDX] =
754 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
755 .features[FEAT_8000_0001_ECX] =
756 CPUID_EXT3_LAHF_LM,
757 .xlevel = 0x8000000A,
758 .model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
759 },
760 {
761 .name = "SandyBridge",
762 .level = 0xd,
763 .vendor = CPUID_VENDOR_INTEL,
764 .family = 6,
765 .model = 42,
766 .stepping = 1,
767 .features[FEAT_1_EDX] =
768 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
769 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
770 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
771 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
772 CPUID_DE | CPUID_FP87,
773 .features[FEAT_1_ECX] =
774 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
775 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
776 CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
777 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
778 CPUID_EXT_SSE3,
779 .features[FEAT_8000_0001_EDX] =
780 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
781 CPUID_EXT2_SYSCALL,
782 .features[FEAT_8000_0001_ECX] =
783 CPUID_EXT3_LAHF_LM,
784 .xlevel = 0x8000000A,
785 .model_id = "Intel Xeon E312xx (Sandy Bridge)",
786 },
787 {
788 .name = "Haswell",
789 .level = 0xd,
790 .vendor = CPUID_VENDOR_INTEL,
791 .family = 6,
792 .model = 60,
793 .stepping = 1,
794 .features[FEAT_1_EDX] =
795 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
796 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
797 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
798 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
799 CPUID_DE | CPUID_FP87,
800 .features[FEAT_1_ECX] =
801 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
802 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
803 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
804 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
805 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
806 CPUID_EXT_PCID,
807 .features[FEAT_8000_0001_EDX] =
808 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
809 CPUID_EXT2_SYSCALL,
810 .features[FEAT_8000_0001_ECX] =
811 CPUID_EXT3_LAHF_LM,
812 .features[FEAT_7_0_EBX] =
813 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
814 CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
815 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
816 CPUID_7_0_EBX_RTM,
817 .xlevel = 0x8000000A,
818 .model_id = "Intel Core Processor (Haswell)",
819 },
820 {
821 .name = "Opteron_G1",
822 .level = 5,
823 .vendor = CPUID_VENDOR_AMD,
824 .family = 15,
825 .model = 6,
826 .stepping = 1,
827 .features[FEAT_1_EDX] =
828 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
829 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
830 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
831 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
832 CPUID_DE | CPUID_FP87,
833 .features[FEAT_1_ECX] =
834 CPUID_EXT_SSE3,
835 .features[FEAT_8000_0001_EDX] =
836 CPUID_EXT2_LM | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
837 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
838 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
839 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
840 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
841 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
842 .xlevel = 0x80000008,
843 .model_id = "AMD Opteron 240 (Gen 1 Class Opteron)",
844 },
845 {
846 .name = "Opteron_G2",
847 .level = 5,
848 .vendor = CPUID_VENDOR_AMD,
849 .family = 15,
850 .model = 6,
851 .stepping = 1,
852 .features[FEAT_1_EDX] =
853 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
854 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
855 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
856 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
857 CPUID_DE | CPUID_FP87,
858 .features[FEAT_1_ECX] =
859 CPUID_EXT_CX16 | CPUID_EXT_SSE3,
860 .features[FEAT_8000_0001_EDX] =
861 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_FXSR |
862 CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
863 CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
864 CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
865 CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
866 CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
867 CPUID_EXT2_DE | CPUID_EXT2_FPU,
868 .features[FEAT_8000_0001_ECX] =
869 CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
870 .xlevel = 0x80000008,
871 .model_id = "AMD Opteron 22xx (Gen 2 Class Opteron)",
872 },
873 {
874 .name = "Opteron_G3",
875 .level = 5,
876 .vendor = CPUID_VENDOR_AMD,
877 .family = 15,
878 .model = 6,
879 .stepping = 1,
880 .features[FEAT_1_EDX] =
881 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
882 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
883 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
884 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
885 CPUID_DE | CPUID_FP87,
886 .features[FEAT_1_ECX] =
887 CPUID_EXT_POPCNT | CPUID_EXT_CX16 | CPUID_EXT_MONITOR |
888 CPUID_EXT_SSE3,
889 .features[FEAT_8000_0001_EDX] =
890 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_FXSR |
891 CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
892 CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
893 CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
894 CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
895 CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
896 CPUID_EXT2_DE | CPUID_EXT2_FPU,
897 .features[FEAT_8000_0001_ECX] =
898 CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A |
899 CPUID_EXT3_ABM | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
900 .xlevel = 0x80000008,
901 .model_id = "AMD Opteron 23xx (Gen 3 Class Opteron)",
902 },
903 {
904 .name = "Opteron_G4",
905 .level = 0xd,
906 .vendor = CPUID_VENDOR_AMD,
907 .family = 21,
908 .model = 1,
909 .stepping = 2,
910 .features[FEAT_1_EDX] =
911 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
912 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
913 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
914 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
915 CPUID_DE | CPUID_FP87,
916 .features[FEAT_1_ECX] =
917 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
918 CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
919 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
920 CPUID_EXT_SSE3,
921 .features[FEAT_8000_0001_EDX] =
922 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP |
923 CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
924 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
925 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
926 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
927 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
928 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
929 .features[FEAT_8000_0001_ECX] =
930 CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
931 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
932 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
933 CPUID_EXT3_LAHF_LM,
934 .xlevel = 0x8000001A,
935 .model_id = "AMD Opteron 62xx class CPU",
936 },
937 {
938 .name = "Opteron_G5",
939 .level = 0xd,
940 .vendor = CPUID_VENDOR_AMD,
941 .family = 21,
942 .model = 2,
943 .stepping = 0,
944 .features[FEAT_1_EDX] =
945 CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
946 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
947 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
948 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
949 CPUID_DE | CPUID_FP87,
950 .features[FEAT_1_ECX] =
951 CPUID_EXT_F16C | CPUID_EXT_AVX | CPUID_EXT_XSAVE |
952 CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
953 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_FMA |
954 CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
955 .features[FEAT_8000_0001_EDX] =
956 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP |
957 CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
958 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
959 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
960 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
961 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
962 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
963 .features[FEAT_8000_0001_ECX] =
964 CPUID_EXT3_TBM | CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
965 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
966 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
967 CPUID_EXT3_LAHF_LM,
968 .xlevel = 0x8000001A,
969 .model_id = "AMD Opteron 63xx class CPU",
970 },
971 };
972
973 /**
974 * x86_cpu_compat_set_features:
975 * @cpu_model: CPU model name to be changed. If NULL, all CPU models are changed
976 * @w: Identifies the feature word to be changed.
977 * @feat_add: Feature bits to be added to feature word
978 * @feat_remove: Feature bits to be removed from feature word
979 *
980 * Change CPU model feature bits for compatibility.
981 *
982 * This function may be used by machine-type compatibility functions
983 * to enable or disable feature bits on specific CPU models.
984 */
985 void x86_cpu_compat_set_features(const char *cpu_model, FeatureWord w,
986 uint32_t feat_add, uint32_t feat_remove)
987 {
988 x86_def_t *def;
989 int i;
990 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
991 def = &builtin_x86_defs[i];
992 if (!cpu_model || !strcmp(cpu_model, def->name)) {
993 def->features[w] |= feat_add;
994 def->features[w] &= ~feat_remove;
995 }
996 }
997 }
998
999 #ifdef CONFIG_KVM
1000 static int cpu_x86_fill_model_id(char *str)
1001 {
1002 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
1003 int i;
1004
1005 for (i = 0; i < 3; i++) {
1006 host_cpuid(0x80000002 + i, 0, &eax, &ebx, &ecx, &edx);
1007 memcpy(str + i * 16 + 0, &eax, 4);
1008 memcpy(str + i * 16 + 4, &ebx, 4);
1009 memcpy(str + i * 16 + 8, &ecx, 4);
1010 memcpy(str + i * 16 + 12, &edx, 4);
1011 }
1012 return 0;
1013 }
1014 #endif
1015
1016 /* Fill a x86_def_t struct with information about the host CPU, and
1017 * the CPU features supported by the host hardware + host kernel
1018 *
1019 * This function may be called only if KVM is enabled.
1020 */
1021 static void kvm_cpu_fill_host(x86_def_t *x86_cpu_def)
1022 {
1023 #ifdef CONFIG_KVM
1024 KVMState *s = kvm_state;
1025 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
1026
1027 assert(kvm_enabled());
1028
1029 x86_cpu_def->name = "host";
1030 host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);
1031 x86_cpu_vendor_words2str(x86_cpu_def->vendor, ebx, edx, ecx);
1032
1033 host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx);
1034 x86_cpu_def->family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF);
1035 x86_cpu_def->model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12);
1036 x86_cpu_def->stepping = eax & 0x0F;
1037
1038 x86_cpu_def->level = kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX);
1039 x86_cpu_def->features[FEAT_1_EDX] =
1040 kvm_arch_get_supported_cpuid(s, 0x1, 0, R_EDX);
1041 x86_cpu_def->features[FEAT_1_ECX] =
1042 kvm_arch_get_supported_cpuid(s, 0x1, 0, R_ECX);
1043
1044 if (x86_cpu_def->level >= 7) {
1045 x86_cpu_def->features[FEAT_7_0_EBX] =
1046 kvm_arch_get_supported_cpuid(s, 0x7, 0, R_EBX);
1047 } else {
1048 x86_cpu_def->features[FEAT_7_0_EBX] = 0;
1049 }
1050
1051 x86_cpu_def->xlevel = kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX);
1052 x86_cpu_def->features[FEAT_8000_0001_EDX] =
1053 kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_EDX);
1054 x86_cpu_def->features[FEAT_8000_0001_ECX] =
1055 kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_ECX);
1056
1057 cpu_x86_fill_model_id(x86_cpu_def->model_id);
1058
1059 /* Call Centaur's CPUID instruction. */
1060 if (!strcmp(x86_cpu_def->vendor, CPUID_VENDOR_VIA)) {
1061 host_cpuid(0xC0000000, 0, &eax, &ebx, &ecx, &edx);
1062 eax = kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX);
1063 if (eax >= 0xC0000001) {
1064 /* Support VIA max extended level */
1065 x86_cpu_def->xlevel2 = eax;
1066 host_cpuid(0xC0000001, 0, &eax, &ebx, &ecx, &edx);
1067 x86_cpu_def->features[FEAT_C000_0001_EDX] =
1068 kvm_arch_get_supported_cpuid(s, 0xC0000001, 0, R_EDX);
1069 }
1070 }
1071
1072 /* Other KVM-specific feature fields: */
1073 x86_cpu_def->features[FEAT_SVM] =
1074 kvm_arch_get_supported_cpuid(s, 0x8000000A, 0, R_EDX);
1075 x86_cpu_def->features[FEAT_KVM] =
1076 kvm_arch_get_supported_cpuid(s, KVM_CPUID_FEATURES, 0, R_EAX);
1077
1078 #endif /* CONFIG_KVM */
1079 }
1080
1081 static int unavailable_host_feature(FeatureWordInfo *f, uint32_t mask)
1082 {
1083 int i;
1084
1085 for (i = 0; i < 32; ++i)
1086 if (1 << i & mask) {
1087 const char *reg = get_register_name_32(f->cpuid_reg);
1088 assert(reg);
1089 fprintf(stderr, "warning: host doesn't support requested feature: "
1090 "CPUID.%02XH:%s%s%s [bit %d]\n",
1091 f->cpuid_eax, reg,
1092 f->feat_names[i] ? "." : "",
1093 f->feat_names[i] ? f->feat_names[i] : "", i);
1094 break;
1095 }
1096 return 0;
1097 }
1098
1099 /* Check if all requested cpu flags are making their way to the guest
1100 *
1101 * Returns 0 if all flags are supported by the host, non-zero otherwise.
1102 *
1103 * This function may be called only if KVM is enabled.
1104 */
1105 static int kvm_check_features_against_host(X86CPU *cpu)
1106 {
1107 CPUX86State *env = &cpu->env;
1108 x86_def_t host_def;
1109 uint32_t mask;
1110 int rv, i;
1111 struct model_features_t ft[] = {
1112 {&env->features[FEAT_1_EDX],
1113 &host_def.features[FEAT_1_EDX],
1114 FEAT_1_EDX },
1115 {&env->features[FEAT_1_ECX],
1116 &host_def.features[FEAT_1_ECX],
1117 FEAT_1_ECX },
1118 {&env->features[FEAT_8000_0001_EDX],
1119 &host_def.features[FEAT_8000_0001_EDX],
1120 FEAT_8000_0001_EDX },
1121 {&env->features[FEAT_8000_0001_ECX],
1122 &host_def.features[FEAT_8000_0001_ECX],
1123 FEAT_8000_0001_ECX },
1124 {&env->features[FEAT_C000_0001_EDX],
1125 &host_def.features[FEAT_C000_0001_EDX],
1126 FEAT_C000_0001_EDX },
1127 {&env->features[FEAT_7_0_EBX],
1128 &host_def.features[FEAT_7_0_EBX],
1129 FEAT_7_0_EBX },
1130 {&env->features[FEAT_SVM],
1131 &host_def.features[FEAT_SVM],
1132 FEAT_SVM },
1133 {&env->features[FEAT_KVM],
1134 &host_def.features[FEAT_KVM],
1135 FEAT_KVM },
1136 };
1137
1138 assert(kvm_enabled());
1139
1140 kvm_cpu_fill_host(&host_def);
1141 for (rv = 0, i = 0; i < ARRAY_SIZE(ft); ++i) {
1142 FeatureWord w = ft[i].feat_word;
1143 FeatureWordInfo *wi = &feature_word_info[w];
1144 for (mask = 1; mask; mask <<= 1) {
1145 if (*ft[i].guest_feat & mask &&
1146 !(*ft[i].host_feat & mask)) {
1147 unavailable_host_feature(wi, mask);
1148 rv = 1;
1149 }
1150 }
1151 }
1152 return rv;
1153 }
1154
1155 static void x86_cpuid_version_get_family(Object *obj, Visitor *v, void *opaque,
1156 const char *name, Error **errp)
1157 {
1158 X86CPU *cpu = X86_CPU(obj);
1159 CPUX86State *env = &cpu->env;
1160 int64_t value;
1161
1162 value = (env->cpuid_version >> 8) & 0xf;
1163 if (value == 0xf) {
1164 value += (env->cpuid_version >> 20) & 0xff;
1165 }
1166 visit_type_int(v, &value, name, errp);
1167 }
1168
1169 static void x86_cpuid_version_set_family(Object *obj, Visitor *v, void *opaque,
1170 const char *name, Error **errp)
1171 {
1172 X86CPU *cpu = X86_CPU(obj);
1173 CPUX86State *env = &cpu->env;
1174 const int64_t min = 0;
1175 const int64_t max = 0xff + 0xf;
1176 int64_t value;
1177
1178 visit_type_int(v, &value, name, errp);
1179 if (error_is_set(errp)) {
1180 return;
1181 }
1182 if (value < min || value > max) {
1183 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1184 name ? name : "null", value, min, max);
1185 return;
1186 }
1187
1188 env->cpuid_version &= ~0xff00f00;
1189 if (value > 0x0f) {
1190 env->cpuid_version |= 0xf00 | ((value - 0x0f) << 20);
1191 } else {
1192 env->cpuid_version |= value << 8;
1193 }
1194 }
1195
1196 static void x86_cpuid_version_get_model(Object *obj, Visitor *v, void *opaque,
1197 const char *name, Error **errp)
1198 {
1199 X86CPU *cpu = X86_CPU(obj);
1200 CPUX86State *env = &cpu->env;
1201 int64_t value;
1202
1203 value = (env->cpuid_version >> 4) & 0xf;
1204 value |= ((env->cpuid_version >> 16) & 0xf) << 4;
1205 visit_type_int(v, &value, name, errp);
1206 }
1207
1208 static void x86_cpuid_version_set_model(Object *obj, Visitor *v, void *opaque,
1209 const char *name, Error **errp)
1210 {
1211 X86CPU *cpu = X86_CPU(obj);
1212 CPUX86State *env = &cpu->env;
1213 const int64_t min = 0;
1214 const int64_t max = 0xff;
1215 int64_t value;
1216
1217 visit_type_int(v, &value, name, errp);
1218 if (error_is_set(errp)) {
1219 return;
1220 }
1221 if (value < min || value > max) {
1222 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1223 name ? name : "null", value, min, max);
1224 return;
1225 }
1226
1227 env->cpuid_version &= ~0xf00f0;
1228 env->cpuid_version |= ((value & 0xf) << 4) | ((value >> 4) << 16);
1229 }
1230
1231 static void x86_cpuid_version_get_stepping(Object *obj, Visitor *v,
1232 void *opaque, const char *name,
1233 Error **errp)
1234 {
1235 X86CPU *cpu = X86_CPU(obj);
1236 CPUX86State *env = &cpu->env;
1237 int64_t value;
1238
1239 value = env->cpuid_version & 0xf;
1240 visit_type_int(v, &value, name, errp);
1241 }
1242
1243 static void x86_cpuid_version_set_stepping(Object *obj, Visitor *v,
1244 void *opaque, const char *name,
1245 Error **errp)
1246 {
1247 X86CPU *cpu = X86_CPU(obj);
1248 CPUX86State *env = &cpu->env;
1249 const int64_t min = 0;
1250 const int64_t max = 0xf;
1251 int64_t value;
1252
1253 visit_type_int(v, &value, name, errp);
1254 if (error_is_set(errp)) {
1255 return;
1256 }
1257 if (value < min || value > max) {
1258 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1259 name ? name : "null", value, min, max);
1260 return;
1261 }
1262
1263 env->cpuid_version &= ~0xf;
1264 env->cpuid_version |= value & 0xf;
1265 }
1266
1267 static void x86_cpuid_get_level(Object *obj, Visitor *v, void *opaque,
1268 const char *name, Error **errp)
1269 {
1270 X86CPU *cpu = X86_CPU(obj);
1271
1272 visit_type_uint32(v, &cpu->env.cpuid_level, name, errp);
1273 }
1274
1275 static void x86_cpuid_set_level(Object *obj, Visitor *v, void *opaque,
1276 const char *name, Error **errp)
1277 {
1278 X86CPU *cpu = X86_CPU(obj);
1279
1280 visit_type_uint32(v, &cpu->env.cpuid_level, name, errp);
1281 }
1282
1283 static void x86_cpuid_get_xlevel(Object *obj, Visitor *v, void *opaque,
1284 const char *name, Error **errp)
1285 {
1286 X86CPU *cpu = X86_CPU(obj);
1287
1288 visit_type_uint32(v, &cpu->env.cpuid_xlevel, name, errp);
1289 }
1290
1291 static void x86_cpuid_set_xlevel(Object *obj, Visitor *v, void *opaque,
1292 const char *name, Error **errp)
1293 {
1294 X86CPU *cpu = X86_CPU(obj);
1295
1296 visit_type_uint32(v, &cpu->env.cpuid_xlevel, name, errp);
1297 }
1298
1299 static char *x86_cpuid_get_vendor(Object *obj, Error **errp)
1300 {
1301 X86CPU *cpu = X86_CPU(obj);
1302 CPUX86State *env = &cpu->env;
1303 char *value;
1304
1305 value = (char *)g_malloc(CPUID_VENDOR_SZ + 1);
1306 x86_cpu_vendor_words2str(value, env->cpuid_vendor1, env->cpuid_vendor2,
1307 env->cpuid_vendor3);
1308 return value;
1309 }
1310
1311 static void x86_cpuid_set_vendor(Object *obj, const char *value,
1312 Error **errp)
1313 {
1314 X86CPU *cpu = X86_CPU(obj);
1315 CPUX86State *env = &cpu->env;
1316 int i;
1317
1318 if (strlen(value) != CPUID_VENDOR_SZ) {
1319 error_set(errp, QERR_PROPERTY_VALUE_BAD, "",
1320 "vendor", value);
1321 return;
1322 }
1323
1324 env->cpuid_vendor1 = 0;
1325 env->cpuid_vendor2 = 0;
1326 env->cpuid_vendor3 = 0;
1327 for (i = 0; i < 4; i++) {
1328 env->cpuid_vendor1 |= ((uint8_t)value[i ]) << (8 * i);
1329 env->cpuid_vendor2 |= ((uint8_t)value[i + 4]) << (8 * i);
1330 env->cpuid_vendor3 |= ((uint8_t)value[i + 8]) << (8 * i);
1331 }
1332 }
1333
1334 static char *x86_cpuid_get_model_id(Object *obj, Error **errp)
1335 {
1336 X86CPU *cpu = X86_CPU(obj);
1337 CPUX86State *env = &cpu->env;
1338 char *value;
1339 int i;
1340
1341 value = g_malloc(48 + 1);
1342 for (i = 0; i < 48; i++) {
1343 value[i] = env->cpuid_model[i >> 2] >> (8 * (i & 3));
1344 }
1345 value[48] = '\0';
1346 return value;
1347 }
1348
1349 static void x86_cpuid_set_model_id(Object *obj, const char *model_id,
1350 Error **errp)
1351 {
1352 X86CPU *cpu = X86_CPU(obj);
1353 CPUX86State *env = &cpu->env;
1354 int c, len, i;
1355
1356 if (model_id == NULL) {
1357 model_id = "";
1358 }
1359 len = strlen(model_id);
1360 memset(env->cpuid_model, 0, 48);
1361 for (i = 0; i < 48; i++) {
1362 if (i >= len) {
1363 c = '\0';
1364 } else {
1365 c = (uint8_t)model_id[i];
1366 }
1367 env->cpuid_model[i >> 2] |= c << (8 * (i & 3));
1368 }
1369 }
1370
1371 static void x86_cpuid_get_tsc_freq(Object *obj, Visitor *v, void *opaque,
1372 const char *name, Error **errp)
1373 {
1374 X86CPU *cpu = X86_CPU(obj);
1375 int64_t value;
1376
1377 value = cpu->env.tsc_khz * 1000;
1378 visit_type_int(v, &value, name, errp);
1379 }
1380
1381 static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, void *opaque,
1382 const char *name, Error **errp)
1383 {
1384 X86CPU *cpu = X86_CPU(obj);
1385 const int64_t min = 0;
1386 const int64_t max = INT64_MAX;
1387 int64_t value;
1388
1389 visit_type_int(v, &value, name, errp);
1390 if (error_is_set(errp)) {
1391 return;
1392 }
1393 if (value < min || value > max) {
1394 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1395 name ? name : "null", value, min, max);
1396 return;
1397 }
1398
1399 cpu->env.tsc_khz = value / 1000;
1400 }
1401
1402 static void x86_cpuid_get_apic_id(Object *obj, Visitor *v, void *opaque,
1403 const char *name, Error **errp)
1404 {
1405 X86CPU *cpu = X86_CPU(obj);
1406 int64_t value = cpu->env.cpuid_apic_id;
1407
1408 visit_type_int(v, &value, name, errp);
1409 }
1410
1411 static void x86_cpuid_set_apic_id(Object *obj, Visitor *v, void *opaque,
1412 const char *name, Error **errp)
1413 {
1414 X86CPU *cpu = X86_CPU(obj);
1415 DeviceState *dev = DEVICE(obj);
1416 const int64_t min = 0;
1417 const int64_t max = UINT32_MAX;
1418 Error *error = NULL;
1419 int64_t value;
1420
1421 if (dev->realized) {
1422 error_setg(errp, "Attempt to set property '%s' on '%s' after "
1423 "it was realized", name, object_get_typename(obj));
1424 return;
1425 }
1426
1427 visit_type_int(v, &value, name, &error);
1428 if (error) {
1429 error_propagate(errp, error);
1430 return;
1431 }
1432 if (value < min || value > max) {
1433 error_setg(errp, "Property %s.%s doesn't take value %" PRId64
1434 " (minimum: %" PRId64 ", maximum: %" PRId64 ")" ,
1435 object_get_typename(obj), name, value, min, max);
1436 return;
1437 }
1438
1439 if ((value != cpu->env.cpuid_apic_id) && cpu_exists(value)) {
1440 error_setg(errp, "CPU with APIC ID %" PRIi64 " exists", value);
1441 return;
1442 }
1443 cpu->env.cpuid_apic_id = value;
1444 }
1445
1446 /* Generic getter for "feature-words" and "filtered-features" properties */
1447 static void x86_cpu_get_feature_words(Object *obj, Visitor *v, void *opaque,
1448 const char *name, Error **errp)
1449 {
1450 uint32_t *array = (uint32_t *)opaque;
1451 FeatureWord w;
1452 Error *err = NULL;
1453 X86CPUFeatureWordInfo word_infos[FEATURE_WORDS] = { };
1454 X86CPUFeatureWordInfoList list_entries[FEATURE_WORDS] = { };
1455 X86CPUFeatureWordInfoList *list = NULL;
1456
1457 for (w = 0; w < FEATURE_WORDS; w++) {
1458 FeatureWordInfo *wi = &feature_word_info[w];
1459 X86CPUFeatureWordInfo *qwi = &word_infos[w];
1460 qwi->cpuid_input_eax = wi->cpuid_eax;
1461 qwi->has_cpuid_input_ecx = wi->cpuid_needs_ecx;
1462 qwi->cpuid_input_ecx = wi->cpuid_ecx;
1463 qwi->cpuid_register = x86_reg_info_32[wi->cpuid_reg].qapi_enum;
1464 qwi->features = array[w];
1465
1466 /* List will be in reverse order, but order shouldn't matter */
1467 list_entries[w].next = list;
1468 list_entries[w].value = &word_infos[w];
1469 list = &list_entries[w];
1470 }
1471
1472 visit_type_X86CPUFeatureWordInfoList(v, &list, "feature-words", &err);
1473 error_propagate(errp, err);
1474 }
1475
1476 static int cpu_x86_find_by_name(X86CPU *cpu, x86_def_t *x86_cpu_def,
1477 const char *name)
1478 {
1479 x86_def_t *def;
1480 Error *err = NULL;
1481 int i;
1482
1483 if (name == NULL) {
1484 return -1;
1485 }
1486 if (kvm_enabled() && strcmp(name, "host") == 0) {
1487 kvm_cpu_fill_host(x86_cpu_def);
1488 object_property_set_bool(OBJECT(cpu), true, "pmu", &err);
1489 assert_no_error(err);
1490 return 0;
1491 }
1492
1493 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
1494 def = &builtin_x86_defs[i];
1495 if (strcmp(name, def->name) == 0) {
1496 memcpy(x86_cpu_def, def, sizeof(*def));
1497 /* sysenter isn't supported in compatibility mode on AMD,
1498 * syscall isn't supported in compatibility mode on Intel.
1499 * Normally we advertise the actual CPU vendor, but you can
1500 * override this using the 'vendor' property if you want to use
1501 * KVM's sysenter/syscall emulation in compatibility mode and
1502 * when doing cross vendor migration
1503 */
1504 if (kvm_enabled()) {
1505 uint32_t ebx = 0, ecx = 0, edx = 0;
1506 host_cpuid(0, 0, NULL, &ebx, &ecx, &edx);
1507 x86_cpu_vendor_words2str(x86_cpu_def->vendor, ebx, edx, ecx);
1508 }
1509 return 0;
1510 }
1511 }
1512
1513 return -1;
1514 }
1515
1516 /* Convert all '_' in a feature string option name to '-', to make feature
1517 * name conform to QOM property naming rule, which uses '-' instead of '_'.
1518 */
1519 static inline void feat2prop(char *s)
1520 {
1521 while ((s = strchr(s, '_'))) {
1522 *s = '-';
1523 }
1524 }
1525
1526 /* Parse "+feature,-feature,feature=foo" CPU feature string
1527 */
1528 static void cpu_x86_parse_featurestr(X86CPU *cpu, char *features, Error **errp)
1529 {
1530 char *featurestr; /* Single 'key=value" string being parsed */
1531 /* Features to be added */
1532 FeatureWordArray plus_features = { 0 };
1533 /* Features to be removed */
1534 FeatureWordArray minus_features = { 0 };
1535 uint32_t numvalue;
1536 CPUX86State *env = &cpu->env;
1537
1538 featurestr = features ? strtok(features, ",") : NULL;
1539
1540 while (featurestr) {
1541 char *val;
1542 if (featurestr[0] == '+') {
1543 add_flagname_to_bitmaps(featurestr + 1, plus_features);
1544 } else if (featurestr[0] == '-') {
1545 add_flagname_to_bitmaps(featurestr + 1, minus_features);
1546 } else if ((val = strchr(featurestr, '='))) {
1547 *val = 0; val++;
1548 feat2prop(featurestr);
1549 if (!strcmp(featurestr, "family")) {
1550 object_property_parse(OBJECT(cpu), val, featurestr, errp);
1551 } else if (!strcmp(featurestr, "model")) {
1552 object_property_parse(OBJECT(cpu), val, featurestr, errp);
1553 } else if (!strcmp(featurestr, "stepping")) {
1554 object_property_parse(OBJECT(cpu), val, featurestr, errp);
1555 } else if (!strcmp(featurestr, "level")) {
1556 object_property_parse(OBJECT(cpu), val, featurestr, errp);
1557 } else if (!strcmp(featurestr, "xlevel")) {
1558 char *err;
1559 char num[32];
1560
1561 numvalue = strtoul(val, &err, 0);
1562 if (!*val || *err) {
1563 error_setg(errp, "bad numerical value %s", val);
1564 goto out;
1565 }
1566 if (numvalue < 0x80000000) {
1567 fprintf(stderr, "xlevel value shall always be >= 0x80000000"
1568 ", fixup will be removed in future versions\n");
1569 numvalue += 0x80000000;
1570 }
1571 snprintf(num, sizeof(num), "%" PRIu32, numvalue);
1572 object_property_parse(OBJECT(cpu), num, featurestr, errp);
1573 } else if (!strcmp(featurestr, "vendor")) {
1574 object_property_parse(OBJECT(cpu), val, featurestr, errp);
1575 } else if (!strcmp(featurestr, "model-id")) {
1576 object_property_parse(OBJECT(cpu), val, featurestr, errp);
1577 } else if (!strcmp(featurestr, "tsc-freq")) {
1578 int64_t tsc_freq;
1579 char *err;
1580 char num[32];
1581
1582 tsc_freq = strtosz_suffix_unit(val, &err,
1583 STRTOSZ_DEFSUFFIX_B, 1000);
1584 if (tsc_freq < 0 || *err) {
1585 error_setg(errp, "bad numerical value %s", val);
1586 goto out;
1587 }
1588 snprintf(num, sizeof(num), "%" PRId64, tsc_freq);
1589 object_property_parse(OBJECT(cpu), num, "tsc-frequency", errp);
1590 } else if (!strcmp(featurestr, "hv-spinlocks")) {
1591 char *err;
1592 const int min = 0xFFF;
1593 numvalue = strtoul(val, &err, 0);
1594 if (!*val || *err) {
1595 error_setg(errp, "bad numerical value %s", val);
1596 goto out;
1597 }
1598 if (numvalue < min) {
1599 fprintf(stderr, "hv-spinlocks value shall always be >= 0x%x"
1600 ", fixup will be removed in future versions\n",
1601 min);
1602 numvalue = min;
1603 }
1604 cpu->hyperv_spinlock_attempts = numvalue;
1605 } else {
1606 error_setg(errp, "unrecognized feature %s", featurestr);
1607 goto out;
1608 }
1609 } else if (!strcmp(featurestr, "check")) {
1610 check_cpuid = 1;
1611 } else if (!strcmp(featurestr, "enforce")) {
1612 check_cpuid = enforce_cpuid = 1;
1613 } else if (!strcmp(featurestr, "hv_relaxed")) {
1614 cpu->hyperv_relaxed_timing = true;
1615 } else if (!strcmp(featurestr, "hv_vapic")) {
1616 cpu->hyperv_vapic = true;
1617 } else {
1618 error_setg(errp, "feature string `%s' not in format (+feature|"
1619 "-feature|feature=xyz)", featurestr);
1620 goto out;
1621 }
1622 if (error_is_set(errp)) {
1623 goto out;
1624 }
1625 featurestr = strtok(NULL, ",");
1626 }
1627 env->features[FEAT_1_EDX] |= plus_features[FEAT_1_EDX];
1628 env->features[FEAT_1_ECX] |= plus_features[FEAT_1_ECX];
1629 env->features[FEAT_8000_0001_EDX] |= plus_features[FEAT_8000_0001_EDX];
1630 env->features[FEAT_8000_0001_ECX] |= plus_features[FEAT_8000_0001_ECX];
1631 env->features[FEAT_C000_0001_EDX] |= plus_features[FEAT_C000_0001_EDX];
1632 env->features[FEAT_KVM] |= plus_features[FEAT_KVM];
1633 env->features[FEAT_SVM] |= plus_features[FEAT_SVM];
1634 env->features[FEAT_7_0_EBX] |= plus_features[FEAT_7_0_EBX];
1635 env->features[FEAT_1_EDX] &= ~minus_features[FEAT_1_EDX];
1636 env->features[FEAT_1_ECX] &= ~minus_features[FEAT_1_ECX];
1637 env->features[FEAT_8000_0001_EDX] &= ~minus_features[FEAT_8000_0001_EDX];
1638 env->features[FEAT_8000_0001_ECX] &= ~minus_features[FEAT_8000_0001_ECX];
1639 env->features[FEAT_C000_0001_EDX] &= ~minus_features[FEAT_C000_0001_EDX];
1640 env->features[FEAT_KVM] &= ~minus_features[FEAT_KVM];
1641 env->features[FEAT_SVM] &= ~minus_features[FEAT_SVM];
1642 env->features[FEAT_7_0_EBX] &= ~minus_features[FEAT_7_0_EBX];
1643
1644 out:
1645 return;
1646 }
1647
1648 /* generate a composite string into buf of all cpuid names in featureset
1649 * selected by fbits. indicate truncation at bufsize in the event of overflow.
1650 * if flags, suppress names undefined in featureset.
1651 */
1652 static void listflags(char *buf, int bufsize, uint32_t fbits,
1653 const char **featureset, uint32_t flags)
1654 {
1655 const char **p = &featureset[31];
1656 char *q, *b, bit;
1657 int nc;
1658
1659 b = 4 <= bufsize ? buf + (bufsize -= 3) - 1 : NULL;
1660 *buf = '\0';
1661 for (q = buf, bit = 31; fbits && bufsize; --p, fbits &= ~(1 << bit), --bit)
1662 if (fbits & 1 << bit && (*p || !flags)) {
1663 if (*p)
1664 nc = snprintf(q, bufsize, "%s%s", q == buf ? "" : " ", *p);
1665 else
1666 nc = snprintf(q, bufsize, "%s[%d]", q == buf ? "" : " ", bit);
1667 if (bufsize <= nc) {
1668 if (b) {
1669 memcpy(b, "...", sizeof("..."));
1670 }
1671 return;
1672 }
1673 q += nc;
1674 bufsize -= nc;
1675 }
1676 }
1677
1678 /* generate CPU information. */
1679 void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf)
1680 {
1681 x86_def_t *def;
1682 char buf[256];
1683 int i;
1684
1685 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
1686 def = &builtin_x86_defs[i];
1687 snprintf(buf, sizeof(buf), "%s", def->name);
1688 (*cpu_fprintf)(f, "x86 %16s %-48s\n", buf, def->model_id);
1689 }
1690 #ifdef CONFIG_KVM
1691 (*cpu_fprintf)(f, "x86 %16s %-48s\n", "host",
1692 "KVM processor with all supported host features "
1693 "(only available in KVM mode)");
1694 #endif
1695
1696 (*cpu_fprintf)(f, "\nRecognized CPUID flags:\n");
1697 for (i = 0; i < ARRAY_SIZE(feature_word_info); i++) {
1698 FeatureWordInfo *fw = &feature_word_info[i];
1699
1700 listflags(buf, sizeof(buf), (uint32_t)~0, fw->feat_names, 1);
1701 (*cpu_fprintf)(f, " %s\n", buf);
1702 }
1703 }
1704
1705 CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp)
1706 {
1707 CpuDefinitionInfoList *cpu_list = NULL;
1708 x86_def_t *def;
1709 int i;
1710
1711 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
1712 CpuDefinitionInfoList *entry;
1713 CpuDefinitionInfo *info;
1714
1715 def = &builtin_x86_defs[i];
1716 info = g_malloc0(sizeof(*info));
1717 info->name = g_strdup(def->name);
1718
1719 entry = g_malloc0(sizeof(*entry));
1720 entry->value = info;
1721 entry->next = cpu_list;
1722 cpu_list = entry;
1723 }
1724
1725 return cpu_list;
1726 }
1727
1728 #ifdef CONFIG_KVM
1729 static void filter_features_for_kvm(X86CPU *cpu)
1730 {
1731 CPUX86State *env = &cpu->env;
1732 KVMState *s = kvm_state;
1733 FeatureWord w;
1734
1735 for (w = 0; w < FEATURE_WORDS; w++) {
1736 FeatureWordInfo *wi = &feature_word_info[w];
1737 uint32_t host_feat = kvm_arch_get_supported_cpuid(s, wi->cpuid_eax,
1738 wi->cpuid_ecx,
1739 wi->cpuid_reg);
1740 uint32_t requested_features = env->features[w];
1741 env->features[w] &= host_feat;
1742 cpu->filtered_features[w] = requested_features & ~env->features[w];
1743 }
1744 }
1745 #endif
1746
1747 static void cpu_x86_register(X86CPU *cpu, const char *name, Error **errp)
1748 {
1749 CPUX86State *env = &cpu->env;
1750 x86_def_t def1, *def = &def1;
1751
1752 memset(def, 0, sizeof(*def));
1753
1754 if (cpu_x86_find_by_name(cpu, def, name) < 0) {
1755 error_setg(errp, "Unable to find CPU definition: %s", name);
1756 return;
1757 }
1758
1759 if (kvm_enabled()) {
1760 def->features[FEAT_KVM] |= kvm_default_features;
1761 }
1762 def->features[FEAT_1_ECX] |= CPUID_EXT_HYPERVISOR;
1763
1764 object_property_set_str(OBJECT(cpu), def->vendor, "vendor", errp);
1765 object_property_set_int(OBJECT(cpu), def->level, "level", errp);
1766 object_property_set_int(OBJECT(cpu), def->family, "family", errp);
1767 object_property_set_int(OBJECT(cpu), def->model, "model", errp);
1768 object_property_set_int(OBJECT(cpu), def->stepping, "stepping", errp);
1769 env->features[FEAT_1_EDX] = def->features[FEAT_1_EDX];
1770 env->features[FEAT_1_ECX] = def->features[FEAT_1_ECX];
1771 env->features[FEAT_8000_0001_EDX] = def->features[FEAT_8000_0001_EDX];
1772 env->features[FEAT_8000_0001_ECX] = def->features[FEAT_8000_0001_ECX];
1773 object_property_set_int(OBJECT(cpu), def->xlevel, "xlevel", errp);
1774 env->features[FEAT_KVM] = def->features[FEAT_KVM];
1775 env->features[FEAT_SVM] = def->features[FEAT_SVM];
1776 env->features[FEAT_C000_0001_EDX] = def->features[FEAT_C000_0001_EDX];
1777 env->features[FEAT_7_0_EBX] = def->features[FEAT_7_0_EBX];
1778 env->cpuid_xlevel2 = def->xlevel2;
1779
1780 object_property_set_str(OBJECT(cpu), def->model_id, "model-id", errp);
1781 }
1782
1783 X86CPU *cpu_x86_create(const char *cpu_model, DeviceState *icc_bridge,
1784 Error **errp)
1785 {
1786 X86CPU *cpu = NULL;
1787 CPUX86State *env;
1788 gchar **model_pieces;
1789 char *name, *features;
1790 char *typename;
1791 Error *error = NULL;
1792
1793 model_pieces = g_strsplit(cpu_model, ",", 2);
1794 if (!model_pieces[0]) {
1795 error_setg(&error, "Invalid/empty CPU model name");
1796 goto out;
1797 }
1798 name = model_pieces[0];
1799 features = model_pieces[1];
1800
1801 cpu = X86_CPU(object_new(TYPE_X86_CPU));
1802 #ifndef CONFIG_USER_ONLY
1803 if (icc_bridge == NULL) {
1804 error_setg(&error, "Invalid icc-bridge value");
1805 goto out;
1806 }
1807 qdev_set_parent_bus(DEVICE(cpu), qdev_get_child_bus(icc_bridge, "icc"));
1808 object_unref(OBJECT(cpu));
1809 #endif
1810 env = &cpu->env;
1811 env->cpu_model_str = cpu_model;
1812
1813 cpu_x86_register(cpu, name, &error);
1814 if (error) {
1815 goto out;
1816 }
1817
1818 /* Emulate per-model subclasses for global properties */
1819 typename = g_strdup_printf("%s-" TYPE_X86_CPU, name);
1820 qdev_prop_set_globals_for_type(DEVICE(cpu), typename, &error);
1821 g_free(typename);
1822 if (error) {
1823 goto out;
1824 }
1825
1826 cpu_x86_parse_featurestr(cpu, features, &error);
1827 if (error) {
1828 goto out;
1829 }
1830
1831 out:
1832 if (error != NULL) {
1833 error_propagate(errp, error);
1834 object_unref(OBJECT(cpu));
1835 cpu = NULL;
1836 }
1837 g_strfreev(model_pieces);
1838 return cpu;
1839 }
1840
1841 X86CPU *cpu_x86_init(const char *cpu_model)
1842 {
1843 Error *error = NULL;
1844 X86CPU *cpu;
1845
1846 cpu = cpu_x86_create(cpu_model, NULL, &error);
1847 if (error) {
1848 goto out;
1849 }
1850
1851 object_property_set_bool(OBJECT(cpu), true, "realized", &error);
1852
1853 out:
1854 if (error) {
1855 error_report("%s", error_get_pretty(error));
1856 error_free(error);
1857 if (cpu != NULL) {
1858 object_unref(OBJECT(cpu));
1859 cpu = NULL;
1860 }
1861 }
1862 return cpu;
1863 }
1864
1865 #if !defined(CONFIG_USER_ONLY)
1866
1867 void cpu_clear_apic_feature(CPUX86State *env)
1868 {
1869 env->features[FEAT_1_EDX] &= ~CPUID_APIC;
1870 }
1871
1872 #endif /* !CONFIG_USER_ONLY */
1873
1874 /* Initialize list of CPU models, filling some non-static fields if necessary
1875 */
1876 void x86_cpudef_setup(void)
1877 {
1878 int i, j;
1879 static const char *model_with_versions[] = { "qemu32", "qemu64", "athlon" };
1880
1881 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); ++i) {
1882 x86_def_t *def = &builtin_x86_defs[i];
1883
1884 /* Look for specific "cpudef" models that */
1885 /* have the QEMU version in .model_id */
1886 for (j = 0; j < ARRAY_SIZE(model_with_versions); j++) {
1887 if (strcmp(model_with_versions[j], def->name) == 0) {
1888 pstrcpy(def->model_id, sizeof(def->model_id),
1889 "QEMU Virtual CPU version ");
1890 pstrcat(def->model_id, sizeof(def->model_id),
1891 qemu_get_version());
1892 break;
1893 }
1894 }
1895 }
1896 }
1897
1898 static void get_cpuid_vendor(CPUX86State *env, uint32_t *ebx,
1899 uint32_t *ecx, uint32_t *edx)
1900 {
1901 *ebx = env->cpuid_vendor1;
1902 *edx = env->cpuid_vendor2;
1903 *ecx = env->cpuid_vendor3;
1904 }
1905
1906 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1907 uint32_t *eax, uint32_t *ebx,
1908 uint32_t *ecx, uint32_t *edx)
1909 {
1910 X86CPU *cpu = x86_env_get_cpu(env);
1911 CPUState *cs = CPU(cpu);
1912
1913 /* test if maximum index reached */
1914 if (index & 0x80000000) {
1915 if (index > env->cpuid_xlevel) {
1916 if (env->cpuid_xlevel2 > 0) {
1917 /* Handle the Centaur's CPUID instruction. */
1918 if (index > env->cpuid_xlevel2) {
1919 index = env->cpuid_xlevel2;
1920 } else if (index < 0xC0000000) {
1921 index = env->cpuid_xlevel;
1922 }
1923 } else {
1924 /* Intel documentation states that invalid EAX input will
1925 * return the same information as EAX=cpuid_level
1926 * (Intel SDM Vol. 2A - Instruction Set Reference - CPUID)
1927 */
1928 index = env->cpuid_level;
1929 }
1930 }
1931 } else {
1932 if (index > env->cpuid_level)
1933 index = env->cpuid_level;
1934 }
1935
1936 switch(index) {
1937 case 0:
1938 *eax = env->cpuid_level;
1939 get_cpuid_vendor(env, ebx, ecx, edx);
1940 break;
1941 case 1:
1942 *eax = env->cpuid_version;
1943 *ebx = (env->cpuid_apic_id << 24) | 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */
1944 *ecx = env->features[FEAT_1_ECX];
1945 *edx = env->features[FEAT_1_EDX];
1946 if (cs->nr_cores * cs->nr_threads > 1) {
1947 *ebx |= (cs->nr_cores * cs->nr_threads) << 16;
1948 *edx |= 1 << 28; /* HTT bit */
1949 }
1950 break;
1951 case 2:
1952 /* cache info: needed for Pentium Pro compatibility */
1953 *eax = 1;
1954 *ebx = 0;
1955 *ecx = 0;
1956 *edx = 0x2c307d;
1957 break;
1958 case 4:
1959 /* cache info: needed for Core compatibility */
1960 if (cs->nr_cores > 1) {
1961 *eax = (cs->nr_cores - 1) << 26;
1962 } else {
1963 *eax = 0;
1964 }
1965 switch (count) {
1966 case 0: /* L1 dcache info */
1967 *eax |= 0x0000121;
1968 *ebx = 0x1c0003f;
1969 *ecx = 0x000003f;
1970 *edx = 0x0000001;
1971 break;
1972 case 1: /* L1 icache info */
1973 *eax |= 0x0000122;
1974 *ebx = 0x1c0003f;
1975 *ecx = 0x000003f;
1976 *edx = 0x0000001;
1977 break;
1978 case 2: /* L2 cache info */
1979 *eax |= 0x0000143;
1980 if (cs->nr_threads > 1) {
1981 *eax |= (cs->nr_threads - 1) << 14;
1982 }
1983 *ebx = 0x3c0003f;
1984 *ecx = 0x0000fff;
1985 *edx = 0x0000001;
1986 break;
1987 default: /* end of info */
1988 *eax = 0;
1989 *ebx = 0;
1990 *ecx = 0;
1991 *edx = 0;
1992 break;
1993 }
1994 break;
1995 case 5:
1996 /* mwait info: needed for Core compatibility */
1997 *eax = 0; /* Smallest monitor-line size in bytes */
1998 *ebx = 0; /* Largest monitor-line size in bytes */
1999 *ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE;
2000 *edx = 0;
2001 break;
2002 case 6:
2003 /* Thermal and Power Leaf */
2004 *eax = 0;
2005 *ebx = 0;
2006 *ecx = 0;
2007 *edx = 0;
2008 break;
2009 case 7:
2010 /* Structured Extended Feature Flags Enumeration Leaf */
2011 if (count == 0) {
2012 *eax = 0; /* Maximum ECX value for sub-leaves */
2013 *ebx = env->features[FEAT_7_0_EBX]; /* Feature flags */
2014 *ecx = 0; /* Reserved */
2015 *edx = 0; /* Reserved */
2016 } else {
2017 *eax = 0;
2018 *ebx = 0;
2019 *ecx = 0;
2020 *edx = 0;
2021 }
2022 break;
2023 case 9:
2024 /* Direct Cache Access Information Leaf */
2025 *eax = 0; /* Bits 0-31 in DCA_CAP MSR */
2026 *ebx = 0;
2027 *ecx = 0;
2028 *edx = 0;
2029 break;
2030 case 0xA:
2031 /* Architectural Performance Monitoring Leaf */
2032 if (kvm_enabled() && cpu->enable_pmu) {
2033 KVMState *s = cs->kvm_state;
2034
2035 *eax = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EAX);
2036 *ebx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EBX);
2037 *ecx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_ECX);
2038 *edx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EDX);
2039 } else {
2040 *eax = 0;
2041 *ebx = 0;
2042 *ecx = 0;
2043 *edx = 0;
2044 }
2045 break;
2046 case 0xD:
2047 /* Processor Extended State */
2048 if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE)) {
2049 *eax = 0;
2050 *ebx = 0;
2051 *ecx = 0;
2052 *edx = 0;
2053 break;
2054 }
2055 if (kvm_enabled()) {
2056 KVMState *s = cs->kvm_state;
2057
2058 *eax = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EAX);
2059 *ebx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EBX);
2060 *ecx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_ECX);
2061 *edx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EDX);
2062 } else {
2063 *eax = 0;
2064 *ebx = 0;
2065 *ecx = 0;
2066 *edx = 0;
2067 }
2068 break;
2069 case 0x80000000:
2070 *eax = env->cpuid_xlevel;
2071 *ebx = env->cpuid_vendor1;
2072 *edx = env->cpuid_vendor2;
2073 *ecx = env->cpuid_vendor3;
2074 break;
2075 case 0x80000001:
2076 *eax = env->cpuid_version;
2077 *ebx = 0;
2078 *ecx = env->features[FEAT_8000_0001_ECX];
2079 *edx = env->features[FEAT_8000_0001_EDX];
2080
2081 /* The Linux kernel checks for the CMPLegacy bit and
2082 * discards multiple thread information if it is set.
2083 * So dont set it here for Intel to make Linux guests happy.
2084 */
2085 if (cs->nr_cores * cs->nr_threads > 1) {
2086 uint32_t tebx, tecx, tedx;
2087 get_cpuid_vendor(env, &tebx, &tecx, &tedx);
2088 if (tebx != CPUID_VENDOR_INTEL_1 ||
2089 tedx != CPUID_VENDOR_INTEL_2 ||
2090 tecx != CPUID_VENDOR_INTEL_3) {
2091 *ecx |= 1 << 1; /* CmpLegacy bit */
2092 }
2093 }
2094 break;
2095 case 0x80000002:
2096 case 0x80000003:
2097 case 0x80000004:
2098 *eax = env->cpuid_model[(index - 0x80000002) * 4 + 0];
2099 *ebx = env->cpuid_model[(index - 0x80000002) * 4 + 1];
2100 *ecx = env->cpuid_model[(index - 0x80000002) * 4 + 2];
2101 *edx = env->cpuid_model[(index - 0x80000002) * 4 + 3];
2102 break;
2103 case 0x80000005:
2104 /* cache info (L1 cache) */
2105 *eax = 0x01ff01ff;
2106 *ebx = 0x01ff01ff;
2107 *ecx = 0x40020140;
2108 *edx = 0x40020140;
2109 break;
2110 case 0x80000006:
2111 /* cache info (L2 cache) */
2112 *eax = 0;
2113 *ebx = 0x42004200;
2114 *ecx = 0x02008140;
2115 *edx = 0;
2116 break;
2117 case 0x80000008:
2118 /* virtual & phys address size in low 2 bytes. */
2119 /* XXX: This value must match the one used in the MMU code. */
2120 if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) {
2121 /* 64 bit processor */
2122 /* XXX: The physical address space is limited to 42 bits in exec.c. */
2123 *eax = 0x00003028; /* 48 bits virtual, 40 bits physical */
2124 } else {
2125 if (env->features[FEAT_1_EDX] & CPUID_PSE36) {
2126 *eax = 0x00000024; /* 36 bits physical */
2127 } else {
2128 *eax = 0x00000020; /* 32 bits physical */
2129 }
2130 }
2131 *ebx = 0;
2132 *ecx = 0;
2133 *edx = 0;
2134 if (cs->nr_cores * cs->nr_threads > 1) {
2135 *ecx |= (cs->nr_cores * cs->nr_threads) - 1;
2136 }
2137 break;
2138 case 0x8000000A:
2139 if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) {
2140 *eax = 0x00000001; /* SVM Revision */
2141 *ebx = 0x00000010; /* nr of ASIDs */
2142 *ecx = 0;
2143 *edx = env->features[FEAT_SVM]; /* optional features */
2144 } else {
2145 *eax = 0;
2146 *ebx = 0;
2147 *ecx = 0;
2148 *edx = 0;
2149 }
2150 break;
2151 case 0xC0000000:
2152 *eax = env->cpuid_xlevel2;
2153 *ebx = 0;
2154 *ecx = 0;
2155 *edx = 0;
2156 break;
2157 case 0xC0000001:
2158 /* Support for VIA CPU's CPUID instruction */
2159 *eax = env->cpuid_version;
2160 *ebx = 0;
2161 *ecx = 0;
2162 *edx = env->features[FEAT_C000_0001_EDX];
2163 break;
2164 case 0xC0000002:
2165 case 0xC0000003:
2166 case 0xC0000004:
2167 /* Reserved for the future, and now filled with zero */
2168 *eax = 0;
2169 *ebx = 0;
2170 *ecx = 0;
2171 *edx = 0;
2172 break;
2173 default:
2174 /* reserved values: zero */
2175 *eax = 0;
2176 *ebx = 0;
2177 *ecx = 0;
2178 *edx = 0;
2179 break;
2180 }
2181 }
2182
2183 /* CPUClass::reset() */
2184 static void x86_cpu_reset(CPUState *s)
2185 {
2186 X86CPU *cpu = X86_CPU(s);
2187 X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
2188 CPUX86State *env = &cpu->env;
2189 int i;
2190
2191 xcc->parent_reset(s);
2192
2193
2194 memset(env, 0, offsetof(CPUX86State, breakpoints));
2195
2196 tlb_flush(env, 1);
2197
2198 env->old_exception = -1;
2199
2200 /* init to reset state */
2201
2202 #ifdef CONFIG_SOFTMMU
2203 env->hflags |= HF_SOFTMMU_MASK;
2204 #endif
2205 env->hflags2 |= HF2_GIF_MASK;
2206
2207 cpu_x86_update_cr0(env, 0x60000010);
2208 env->a20_mask = ~0x0;
2209 env->smbase = 0x30000;
2210
2211 env->idt.limit = 0xffff;
2212 env->gdt.limit = 0xffff;
2213 env->ldt.limit = 0xffff;
2214 env->ldt.flags = DESC_P_MASK | (2 << DESC_TYPE_SHIFT);
2215 env->tr.limit = 0xffff;
2216 env->tr.flags = DESC_P_MASK | (11 << DESC_TYPE_SHIFT);
2217
2218 cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff,
2219 DESC_P_MASK | DESC_S_MASK | DESC_CS_MASK |
2220 DESC_R_MASK | DESC_A_MASK);
2221 cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff,
2222 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2223 DESC_A_MASK);
2224 cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff,
2225 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2226 DESC_A_MASK);
2227 cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff,
2228 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2229 DESC_A_MASK);
2230 cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff,
2231 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2232 DESC_A_MASK);
2233 cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff,
2234 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2235 DESC_A_MASK);
2236
2237 env->eip = 0xfff0;
2238 env->regs[R_EDX] = env->cpuid_version;
2239
2240 env->eflags = 0x2;
2241
2242 /* FPU init */
2243 for (i = 0; i < 8; i++) {
2244 env->fptags[i] = 1;
2245 }
2246 env->fpuc = 0x37f;
2247
2248 env->mxcsr = 0x1f80;
2249
2250 env->pat = 0x0007040600070406ULL;
2251 env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT;
2252
2253 memset(env->dr, 0, sizeof(env->dr));
2254 env->dr[6] = DR6_FIXED_1;
2255 env->dr[7] = DR7_FIXED_1;
2256 cpu_breakpoint_remove_all(env, BP_CPU);
2257 cpu_watchpoint_remove_all(env, BP_CPU);
2258
2259 #if !defined(CONFIG_USER_ONLY)
2260 /* We hard-wire the BSP to the first CPU. */
2261 if (s->cpu_index == 0) {
2262 apic_designate_bsp(env->apic_state);
2263 }
2264
2265 s->halted = !cpu_is_bsp(cpu);
2266 #endif
2267 }
2268
2269 #ifndef CONFIG_USER_ONLY
2270 bool cpu_is_bsp(X86CPU *cpu)
2271 {
2272 return cpu_get_apic_base(cpu->env.apic_state) & MSR_IA32_APICBASE_BSP;
2273 }
2274
2275 /* TODO: remove me, when reset over QOM tree is implemented */
2276 static void x86_cpu_machine_reset_cb(void *opaque)
2277 {
2278 X86CPU *cpu = opaque;
2279 cpu_reset(CPU(cpu));
2280 }
2281 #endif
2282
2283 static void mce_init(X86CPU *cpu)
2284 {
2285 CPUX86State *cenv = &cpu->env;
2286 unsigned int bank;
2287
2288 if (((cenv->cpuid_version >> 8) & 0xf) >= 6
2289 && (cenv->features[FEAT_1_EDX] & (CPUID_MCE | CPUID_MCA)) ==
2290 (CPUID_MCE | CPUID_MCA)) {
2291 cenv->mcg_cap = MCE_CAP_DEF | MCE_BANKS_DEF;
2292 cenv->mcg_ctl = ~(uint64_t)0;
2293 for (bank = 0; bank < MCE_BANKS_DEF; bank++) {
2294 cenv->mce_banks[bank * 4] = ~(uint64_t)0;
2295 }
2296 }
2297 }
2298
2299 #ifndef CONFIG_USER_ONLY
2300 static void x86_cpu_apic_create(X86CPU *cpu, Error **errp)
2301 {
2302 CPUX86State *env = &cpu->env;
2303 DeviceState *dev = DEVICE(cpu);
2304 APICCommonState *apic;
2305 const char *apic_type = "apic";
2306
2307 if (kvm_irqchip_in_kernel()) {
2308 apic_type = "kvm-apic";
2309 } else if (xen_enabled()) {
2310 apic_type = "xen-apic";
2311 }
2312
2313 env->apic_state = qdev_try_create(qdev_get_parent_bus(dev), apic_type);
2314 if (env->apic_state == NULL) {
2315 error_setg(errp, "APIC device '%s' could not be created", apic_type);
2316 return;
2317 }
2318
2319 object_property_add_child(OBJECT(cpu), "apic",
2320 OBJECT(env->apic_state), NULL);
2321 qdev_prop_set_uint8(env->apic_state, "id", env->cpuid_apic_id);
2322 /* TODO: convert to link<> */
2323 apic = APIC_COMMON(env->apic_state);
2324 apic->cpu = cpu;
2325 }
2326
2327 static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
2328 {
2329 CPUX86State *env = &cpu->env;
2330
2331 if (env->apic_state == NULL) {
2332 return;
2333 }
2334
2335 if (qdev_init(env->apic_state)) {
2336 error_setg(errp, "APIC device '%s' could not be initialized",
2337 object_get_typename(OBJECT(env->apic_state)));
2338 return;
2339 }
2340 }
2341 #else
2342 static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
2343 {
2344 }
2345 #endif
2346
2347 static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
2348 {
2349 CPUState *cs = CPU(dev);
2350 X86CPU *cpu = X86_CPU(dev);
2351 X86CPUClass *xcc = X86_CPU_GET_CLASS(dev);
2352 CPUX86State *env = &cpu->env;
2353 Error *local_err = NULL;
2354
2355 if (env->features[FEAT_7_0_EBX] && env->cpuid_level < 7) {
2356 env->cpuid_level = 7;
2357 }
2358
2359 /* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on
2360 * CPUID[1].EDX.
2361 */
2362 if (env->cpuid_vendor1 == CPUID_VENDOR_AMD_1 &&
2363 env->cpuid_vendor2 == CPUID_VENDOR_AMD_2 &&
2364 env->cpuid_vendor3 == CPUID_VENDOR_AMD_3) {
2365 env->features[FEAT_8000_0001_EDX] &= ~CPUID_EXT2_AMD_ALIASES;
2366 env->features[FEAT_8000_0001_EDX] |= (env->features[FEAT_1_EDX]
2367 & CPUID_EXT2_AMD_ALIASES);
2368 }
2369
2370 if (!kvm_enabled()) {
2371 env->features[FEAT_1_EDX] &= TCG_FEATURES;
2372 env->features[FEAT_1_ECX] &= TCG_EXT_FEATURES;
2373 env->features[FEAT_8000_0001_EDX] &= (TCG_EXT2_FEATURES
2374 #ifdef TARGET_X86_64
2375 | CPUID_EXT2_SYSCALL | CPUID_EXT2_LM
2376 #endif
2377 );
2378 env->features[FEAT_8000_0001_ECX] &= TCG_EXT3_FEATURES;
2379 env->features[FEAT_SVM] &= TCG_SVM_FEATURES;
2380 } else {
2381 if (check_cpuid && kvm_check_features_against_host(cpu)
2382 && enforce_cpuid) {
2383 error_setg(&local_err,
2384 "Host's CPU doesn't support requested features");
2385 goto out;
2386 }
2387 #ifdef CONFIG_KVM
2388 filter_features_for_kvm(cpu);
2389 #endif
2390 }
2391
2392 #ifndef CONFIG_USER_ONLY
2393 qemu_register_reset(x86_cpu_machine_reset_cb, cpu);
2394
2395 if (cpu->env.features[FEAT_1_EDX] & CPUID_APIC || smp_cpus > 1) {
2396 x86_cpu_apic_create(cpu, &local_err);
2397 if (local_err != NULL) {
2398 goto out;
2399 }
2400 }
2401 #endif
2402
2403 mce_init(cpu);
2404 qemu_init_vcpu(cs);
2405
2406 x86_cpu_apic_realize(cpu, &local_err);
2407 if (local_err != NULL) {
2408 goto out;
2409 }
2410 cpu_reset(cs);
2411
2412 xcc->parent_realize(dev, &local_err);
2413 out:
2414 if (local_err != NULL) {
2415 error_propagate(errp, local_err);
2416 return;
2417 }
2418 }
2419
2420 /* Enables contiguous-apic-ID mode, for compatibility */
2421 static bool compat_apic_id_mode;
2422
2423 void enable_compat_apic_id_mode(void)
2424 {
2425 compat_apic_id_mode = true;
2426 }
2427
2428 /* Calculates initial APIC ID for a specific CPU index
2429 *
2430 * Currently we need to be able to calculate the APIC ID from the CPU index
2431 * alone (without requiring a CPU object), as the QEMU<->Seabios interfaces have
2432 * no concept of "CPU index", and the NUMA tables on fw_cfg need the APIC ID of
2433 * all CPUs up to max_cpus.
2434 */
2435 uint32_t x86_cpu_apic_id_from_index(unsigned int cpu_index)
2436 {
2437 uint32_t correct_id;
2438 static bool warned;
2439
2440 correct_id = x86_apicid_from_cpu_idx(smp_cores, smp_threads, cpu_index);
2441 if (compat_apic_id_mode) {
2442 if (cpu_index != correct_id && !warned) {
2443 error_report("APIC IDs set in compatibility mode, "
2444 "CPU topology won't match the configuration");
2445 warned = true;
2446 }
2447 return cpu_index;
2448 } else {
2449 return correct_id;
2450 }
2451 }
2452
2453 static void x86_cpu_initfn(Object *obj)
2454 {
2455 CPUState *cs = CPU(obj);
2456 X86CPU *cpu = X86_CPU(obj);
2457 CPUX86State *env = &cpu->env;
2458 static int inited;
2459
2460 cs->env_ptr = env;
2461 cpu_exec_init(env);
2462
2463 object_property_add(obj, "family", "int",
2464 x86_cpuid_version_get_family,
2465 x86_cpuid_version_set_family, NULL, NULL, NULL);
2466 object_property_add(obj, "model", "int",
2467 x86_cpuid_version_get_model,
2468 x86_cpuid_version_set_model, NULL, NULL, NULL);
2469 object_property_add(obj, "stepping", "int",
2470 x86_cpuid_version_get_stepping,
2471 x86_cpuid_version_set_stepping, NULL, NULL, NULL);
2472 object_property_add(obj, "level", "int",
2473 x86_cpuid_get_level,
2474 x86_cpuid_set_level, NULL, NULL, NULL);
2475 object_property_add(obj, "xlevel", "int",
2476 x86_cpuid_get_xlevel,
2477 x86_cpuid_set_xlevel, NULL, NULL, NULL);
2478 object_property_add_str(obj, "vendor",
2479 x86_cpuid_get_vendor,
2480 x86_cpuid_set_vendor, NULL);
2481 object_property_add_str(obj, "model-id",
2482 x86_cpuid_get_model_id,
2483 x86_cpuid_set_model_id, NULL);
2484 object_property_add(obj, "tsc-frequency", "int",
2485 x86_cpuid_get_tsc_freq,
2486 x86_cpuid_set_tsc_freq, NULL, NULL, NULL);
2487 object_property_add(obj, "apic-id", "int",
2488 x86_cpuid_get_apic_id,
2489 x86_cpuid_set_apic_id, NULL, NULL, NULL);
2490 object_property_add(obj, "feature-words", "X86CPUFeatureWordInfo",
2491 x86_cpu_get_feature_words,
2492 NULL, NULL, (void *)env->features, NULL);
2493 object_property_add(obj, "filtered-features", "X86CPUFeatureWordInfo",
2494 x86_cpu_get_feature_words,
2495 NULL, NULL, (void *)cpu->filtered_features, NULL);
2496
2497 cpu->hyperv_spinlock_attempts = HYPERV_SPINLOCK_NEVER_RETRY;
2498 env->cpuid_apic_id = x86_cpu_apic_id_from_index(cs->cpu_index);
2499
2500 /* init various static tables used in TCG mode */
2501 if (tcg_enabled() && !inited) {
2502 inited = 1;
2503 optimize_flags_init();
2504 #ifndef CONFIG_USER_ONLY
2505 cpu_set_debug_excp_handler(breakpoint_handler);
2506 #endif
2507 }
2508 }
2509
2510 static int64_t x86_cpu_get_arch_id(CPUState *cs)
2511 {
2512 X86CPU *cpu = X86_CPU(cs);
2513 CPUX86State *env = &cpu->env;
2514
2515 return env->cpuid_apic_id;
2516 }
2517
2518 static bool x86_cpu_get_paging_enabled(const CPUState *cs)
2519 {
2520 X86CPU *cpu = X86_CPU(cs);
2521
2522 return cpu->env.cr[0] & CR0_PG_MASK;
2523 }
2524
2525 static void x86_cpu_set_pc(CPUState *cs, vaddr value)
2526 {
2527 X86CPU *cpu = X86_CPU(cs);
2528
2529 cpu->env.eip = value;
2530 }
2531
2532 static void x86_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
2533 {
2534 X86CPU *cpu = X86_CPU(cs);
2535
2536 cpu->env.eip = tb->pc - tb->cs_base;
2537 }
2538
2539 static Property x86_cpu_properties[] = {
2540 DEFINE_PROP_BOOL("pmu", X86CPU, enable_pmu, false),
2541 DEFINE_PROP_END_OF_LIST()
2542 };
2543
2544 static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
2545 {
2546 X86CPUClass *xcc = X86_CPU_CLASS(oc);
2547 CPUClass *cc = CPU_CLASS(oc);
2548 DeviceClass *dc = DEVICE_CLASS(oc);
2549
2550 xcc->parent_realize = dc->realize;
2551 dc->realize = x86_cpu_realizefn;
2552 dc->bus_type = TYPE_ICC_BUS;
2553 dc->props = x86_cpu_properties;
2554
2555 xcc->parent_reset = cc->reset;
2556 cc->reset = x86_cpu_reset;
2557 cc->reset_dump_flags = CPU_DUMP_FPU | CPU_DUMP_CCOP;
2558
2559 cc->do_interrupt = x86_cpu_do_interrupt;
2560 cc->dump_state = x86_cpu_dump_state;
2561 cc->set_pc = x86_cpu_set_pc;
2562 cc->synchronize_from_tb = x86_cpu_synchronize_from_tb;
2563 cc->gdb_read_register = x86_cpu_gdb_read_register;
2564 cc->gdb_write_register = x86_cpu_gdb_write_register;
2565 cc->get_arch_id = x86_cpu_get_arch_id;
2566 cc->get_paging_enabled = x86_cpu_get_paging_enabled;
2567 #ifndef CONFIG_USER_ONLY
2568 cc->get_memory_mapping = x86_cpu_get_memory_mapping;
2569 cc->get_phys_page_debug = x86_cpu_get_phys_page_debug;
2570 cc->write_elf64_note = x86_cpu_write_elf64_note;
2571 cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote;
2572 cc->write_elf32_note = x86_cpu_write_elf32_note;
2573 cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote;
2574 cc->vmsd = &vmstate_x86_cpu;
2575 #endif
2576 cc->gdb_num_core_regs = CPU_NB_REGS * 2 + 25;
2577 }
2578
2579 static const TypeInfo x86_cpu_type_info = {
2580 .name = TYPE_X86_CPU,
2581 .parent = TYPE_CPU,
2582 .instance_size = sizeof(X86CPU),
2583 .instance_init = x86_cpu_initfn,
2584 .abstract = false,
2585 .class_size = sizeof(X86CPUClass),
2586 .class_init = x86_cpu_common_class_init,
2587 };
2588
2589 static void x86_cpu_register_types(void)
2590 {
2591 type_register_static(&x86_cpu_type_info);
2592 }
2593
2594 type_init(x86_cpu_register_types)
Qemu copy for testing