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kvm: Add fake KVM_FEATURE_CLOCKSOURCE_STABLE_BIT for builds without KVM
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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
27#include "qemu/option.h"
28#include "qemu/config-file.h"
29#include "qapi/qmp/qerror.h"
30
31#include "qapi/visitor.h"
32#include "sysemu/arch_init.h"
33
34#include "hyperv.h"
35
36#include "hw/hw.h"
37#if defined(CONFIG_KVM)
38#include <linux/kvm_para.h>
39#endif
40
41#include "sysemu/sysemu.h"
42#ifndef CONFIG_USER_ONLY
43#include "hw/xen.h"
44#include "hw/sysbus.h"
45#include "hw/apic_internal.h"
46#endif
47
48/* feature flags taken from "Intel Processor Identification and the CPUID
49 * Instruction" and AMD's "CPUID Specification". In cases of disagreement
50 * between feature naming conventions, aliases may be added.
51 */
52static const char *feature_name[] = {
53 "fpu", "vme", "de", "pse",
54 "tsc", "msr", "pae", "mce",
55 "cx8", "apic", NULL, "sep",
56 "mtrr", "pge", "mca", "cmov",
57 "pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */,
58 NULL, "ds" /* Intel dts */, "acpi", "mmx",
59 "fxsr", "sse", "sse2", "ss",
60 "ht" /* Intel htt */, "tm", "ia64", "pbe",
61};
62static const char *ext_feature_name[] = {
63 "pni|sse3" /* Intel,AMD sse3 */, "pclmulqdq|pclmuldq", "dtes64", "monitor",
64 "ds_cpl", "vmx", "smx", "est",
65 "tm2", "ssse3", "cid", NULL,
66 "fma", "cx16", "xtpr", "pdcm",
67 NULL, "pcid", "dca", "sse4.1|sse4_1",
68 "sse4.2|sse4_2", "x2apic", "movbe", "popcnt",
69 "tsc-deadline", "aes", "xsave", "osxsave",
70 "avx", "f16c", "rdrand", "hypervisor",
71};
72/* Feature names that are already defined on feature_name[] but are set on
73 * CPUID[8000_0001].EDX on AMD CPUs don't have their names on
74 * ext2_feature_name[]. They are copied automatically to cpuid_ext2_features
75 * if and only if CPU vendor is AMD.
76 */
77static const char *ext2_feature_name[] = {
78 NULL /* fpu */, NULL /* vme */, NULL /* de */, NULL /* pse */,
79 NULL /* tsc */, NULL /* msr */, NULL /* pae */, NULL /* mce */,
80 NULL /* cx8 */ /* AMD CMPXCHG8B */, NULL /* apic */, NULL, "syscall",
81 NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */,
82 NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */,
83 "nx|xd", NULL, "mmxext", NULL /* mmx */,
84 NULL /* fxsr */, "fxsr_opt|ffxsr", "pdpe1gb" /* AMD Page1GB */, "rdtscp",
85 NULL, "lm|i64", "3dnowext", "3dnow",
86};
87static const char *ext3_feature_name[] = {
88 "lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */,
89 "cr8legacy" /* AMD AltMovCr8 */, "abm", "sse4a", "misalignsse",
90 "3dnowprefetch", "osvw", "ibs", "xop",
91 "skinit", "wdt", NULL, "lwp",
92 "fma4", "tce", NULL, "nodeid_msr",
93 NULL, "tbm", "topoext", "perfctr_core",
94 "perfctr_nb", NULL, NULL, NULL,
95 NULL, NULL, NULL, NULL,
96};
97
98static const char *ext4_feature_name[] = {
99 NULL, NULL, "xstore", "xstore-en",
100 NULL, NULL, "xcrypt", "xcrypt-en",
101 "ace2", "ace2-en", "phe", "phe-en",
102 "pmm", "pmm-en", NULL, NULL,
103 NULL, NULL, NULL, NULL,
104 NULL, NULL, NULL, NULL,
105 NULL, NULL, NULL, NULL,
106 NULL, NULL, NULL, NULL,
107};
108
109static const char *kvm_feature_name[] = {
110 "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock",
111 "kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", NULL,
112 NULL, NULL, NULL, NULL,
113 NULL, NULL, NULL, NULL,
114 NULL, NULL, NULL, NULL,
115 NULL, NULL, NULL, NULL,
116 NULL, NULL, NULL, NULL,
117 NULL, NULL, NULL, NULL,
118};
119
120static const char *svm_feature_name[] = {
121 "npt", "lbrv", "svm_lock", "nrip_save",
122 "tsc_scale", "vmcb_clean", "flushbyasid", "decodeassists",
123 NULL, NULL, "pause_filter", NULL,
124 "pfthreshold", NULL, NULL, NULL,
125 NULL, NULL, NULL, NULL,
126 NULL, NULL, NULL, NULL,
127 NULL, NULL, NULL, NULL,
128 NULL, NULL, NULL, NULL,
129};
130
131static const char *cpuid_7_0_ebx_feature_name[] = {
132 "fsgsbase", NULL, NULL, "bmi1", "hle", "avx2", NULL, "smep",
133 "bmi2", "erms", "invpcid", "rtm", NULL, NULL, NULL, NULL,
134 NULL, NULL, "rdseed", "adx", "smap", NULL, NULL, NULL,
135 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
136};
137
138typedef struct FeatureWordInfo {
139 const char **feat_names;
140 uint32_t cpuid_eax; /* Input EAX for CPUID */
141 int cpuid_reg; /* R_* register constant */
142} FeatureWordInfo;
143
144static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
145 [FEAT_1_EDX] = {
146 .feat_names = feature_name,
147 .cpuid_eax = 1, .cpuid_reg = R_EDX,
148 },
149 [FEAT_1_ECX] = {
150 .feat_names = ext_feature_name,
151 .cpuid_eax = 1, .cpuid_reg = R_ECX,
152 },
153 [FEAT_8000_0001_EDX] = {
154 .feat_names = ext2_feature_name,
155 .cpuid_eax = 0x80000001, .cpuid_reg = R_EDX,
156 },
157 [FEAT_8000_0001_ECX] = {
158 .feat_names = ext3_feature_name,
159 .cpuid_eax = 0x80000001, .cpuid_reg = R_ECX,
160 },
161 [FEAT_C000_0001_EDX] = {
162 .feat_names = ext4_feature_name,
163 .cpuid_eax = 0xC0000001, .cpuid_reg = R_EDX,
164 },
165 [FEAT_KVM] = {
166 .feat_names = kvm_feature_name,
167 .cpuid_eax = KVM_CPUID_FEATURES, .cpuid_reg = R_EAX,
168 },
169 [FEAT_SVM] = {
170 .feat_names = svm_feature_name,
171 .cpuid_eax = 0x8000000A, .cpuid_reg = R_EDX,
172 },
173 [FEAT_7_0_EBX] = {
174 .feat_names = cpuid_7_0_ebx_feature_name,
175 .cpuid_eax = 7, .cpuid_reg = R_EBX,
176 },
177};
178
179const char *get_register_name_32(unsigned int reg)
180{
181 static const char *reg_names[CPU_NB_REGS32] = {
182 [R_EAX] = "EAX",
183 [R_ECX] = "ECX",
184 [R_EDX] = "EDX",
185 [R_EBX] = "EBX",
186 [R_ESP] = "ESP",
187 [R_EBP] = "EBP",
188 [R_ESI] = "ESI",
189 [R_EDI] = "EDI",
190 };
191
192 if (reg > CPU_NB_REGS32) {
193 return NULL;
194 }
195 return reg_names[reg];
196}
197
198/* collects per-function cpuid data
199 */
200typedef struct model_features_t {
201 uint32_t *guest_feat;
202 uint32_t *host_feat;
203 FeatureWord feat_word;
204} model_features_t;
205
206int check_cpuid = 0;
207int enforce_cpuid = 0;
208
209#if defined(CONFIG_KVM)
210static uint32_t kvm_default_features = (1 << KVM_FEATURE_CLOCKSOURCE) |
211 (1 << KVM_FEATURE_NOP_IO_DELAY) |
212 (1 << KVM_FEATURE_CLOCKSOURCE2) |
213 (1 << KVM_FEATURE_ASYNC_PF) |
214 (1 << KVM_FEATURE_STEAL_TIME) |
215 (1 << KVM_FEATURE_CLOCKSOURCE_STABLE_BIT);
216static const uint32_t kvm_pv_eoi_features = (0x1 << KVM_FEATURE_PV_EOI);
217#else
218static uint32_t kvm_default_features = 0;
219static const uint32_t kvm_pv_eoi_features = 0;
220#endif
221
222void enable_kvm_pv_eoi(void)
223{
224 kvm_default_features |= kvm_pv_eoi_features;
225}
226
227void host_cpuid(uint32_t function, uint32_t count,
228 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
229{
230#if defined(CONFIG_KVM)
231 uint32_t vec[4];
232
233#ifdef __x86_64__
234 asm volatile("cpuid"
235 : "=a"(vec[0]), "=b"(vec[1]),
236 "=c"(vec[2]), "=d"(vec[3])
237 : "0"(function), "c"(count) : "cc");
238#else
239 asm volatile("pusha \n\t"
240 "cpuid \n\t"
241 "mov %%eax, 0(%2) \n\t"
242 "mov %%ebx, 4(%2) \n\t"
243 "mov %%ecx, 8(%2) \n\t"
244 "mov %%edx, 12(%2) \n\t"
245 "popa"
246 : : "a"(function), "c"(count), "S"(vec)
247 : "memory", "cc");
248#endif
249
250 if (eax)
251 *eax = vec[0];
252 if (ebx)
253 *ebx = vec[1];
254 if (ecx)
255 *ecx = vec[2];
256 if (edx)
257 *edx = vec[3];
258#endif
259}
260
261#define iswhite(c) ((c) && ((c) <= ' ' || '~' < (c)))
262
263/* general substring compare of *[s1..e1) and *[s2..e2). sx is start of
264 * a substring. ex if !NULL points to the first char after a substring,
265 * otherwise the string is assumed to sized by a terminating nul.
266 * Return lexical ordering of *s1:*s2.
267 */
268static int sstrcmp(const char *s1, const char *e1, const char *s2,
269 const char *e2)
270{
271 for (;;) {
272 if (!*s1 || !*s2 || *s1 != *s2)
273 return (*s1 - *s2);
274 ++s1, ++s2;
275 if (s1 == e1 && s2 == e2)
276 return (0);
277 else if (s1 == e1)
278 return (*s2);
279 else if (s2 == e2)
280 return (*s1);
281 }
282}
283
284/* compare *[s..e) to *altstr. *altstr may be a simple string or multiple
285 * '|' delimited (possibly empty) strings in which case search for a match
286 * within the alternatives proceeds left to right. Return 0 for success,
287 * non-zero otherwise.
288 */
289static int altcmp(const char *s, const char *e, const char *altstr)
290{
291 const char *p, *q;
292
293 for (q = p = altstr; ; ) {
294 while (*p && *p != '|')
295 ++p;
296 if ((q == p && !*s) || (q != p && !sstrcmp(s, e, q, p)))
297 return (0);
298 if (!*p)
299 return (1);
300 else
301 q = ++p;
302 }
303}
304
305/* search featureset for flag *[s..e), if found set corresponding bit in
306 * *pval and return true, otherwise return false
307 */
308static bool lookup_feature(uint32_t *pval, const char *s, const char *e,
309 const char **featureset)
310{
311 uint32_t mask;
312 const char **ppc;
313 bool found = false;
314
315 for (mask = 1, ppc = featureset; mask; mask <<= 1, ++ppc) {
316 if (*ppc && !altcmp(s, e, *ppc)) {
317 *pval |= mask;
318 found = true;
319 }
320 }
321 return found;
322}
323
324static void add_flagname_to_bitmaps(const char *flagname,
325 FeatureWordArray words)
326{
327 FeatureWord w;
328 for (w = 0; w < FEATURE_WORDS; w++) {
329 FeatureWordInfo *wi = &feature_word_info[w];
330 if (wi->feat_names &&
331 lookup_feature(&words[w], flagname, NULL, wi->feat_names)) {
332 break;
333 }
334 }
335 if (w == FEATURE_WORDS) {
336 fprintf(stderr, "CPU feature %s not found\n", flagname);
337 }
338}
339
340typedef struct x86_def_t {
341 struct x86_def_t *next;
342 const char *name;
343 uint32_t level;
344 uint32_t vendor1, vendor2, vendor3;
345 int family;
346 int model;
347 int stepping;
348 int tsc_khz;
349 uint32_t features, ext_features, ext2_features, ext3_features;
350 uint32_t kvm_features, svm_features;
351 uint32_t xlevel;
352 char model_id[48];
353 int vendor_override;
354 /* Store the results of Centaur's CPUID instructions */
355 uint32_t ext4_features;
356 uint32_t xlevel2;
357 /* The feature bits on CPUID[EAX=7,ECX=0].EBX */
358 uint32_t cpuid_7_0_ebx_features;
359} x86_def_t;
360
361#define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
362#define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
363 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
364#define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
365 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
366 CPUID_PSE36 | CPUID_FXSR)
367#define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
368#define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
369 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
370 CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
371 CPUID_PAE | CPUID_SEP | CPUID_APIC)
372
373#define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
374 CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
375 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
376 CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
377 CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS)
378 /* partly implemented:
379 CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64)
380 CPUID_PSE36 (needed for Solaris) */
381 /* missing:
382 CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
383#define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | \
384 CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT | \
385 CPUID_EXT_HYPERVISOR)
386 /* missing:
387 CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_EST,
388 CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_XSAVE */
389#define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
390 CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
391 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT)
392 /* missing:
393 CPUID_EXT2_PDPE1GB */
394#define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
395 CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
396#define TCG_SVM_FEATURES 0
397#define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP)
398
399/* maintains list of cpu model definitions
400 */
401static x86_def_t *x86_defs = {NULL};
402
403/* built-in cpu model definitions (deprecated)
404 */
405static x86_def_t builtin_x86_defs[] = {
406 {
407 .name = "qemu64",
408 .level = 4,
409 .vendor1 = CPUID_VENDOR_AMD_1,
410 .vendor2 = CPUID_VENDOR_AMD_2,
411 .vendor3 = CPUID_VENDOR_AMD_3,
412 .family = 6,
413 .model = 2,
414 .stepping = 3,
415 .features = PPRO_FEATURES |
416 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
417 CPUID_PSE36,
418 .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT,
419 .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
420 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
421 .ext3_features = CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
422 CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
423 .xlevel = 0x8000000A,
424 },
425 {
426 .name = "phenom",
427 .level = 5,
428 .vendor1 = CPUID_VENDOR_AMD_1,
429 .vendor2 = CPUID_VENDOR_AMD_2,
430 .vendor3 = CPUID_VENDOR_AMD_3,
431 .family = 16,
432 .model = 2,
433 .stepping = 3,
434 .features = PPRO_FEATURES |
435 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
436 CPUID_PSE36 | CPUID_VME | CPUID_HT,
437 .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 |
438 CPUID_EXT_POPCNT,
439 .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
440 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX |
441 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT |
442 CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP,
443 /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
444 CPUID_EXT3_CR8LEG,
445 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
446 CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
447 .ext3_features = CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
448 CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
449 .svm_features = CPUID_SVM_NPT | CPUID_SVM_LBRV,
450 .xlevel = 0x8000001A,
451 .model_id = "AMD Phenom(tm) 9550 Quad-Core Processor"
452 },
453 {
454 .name = "core2duo",
455 .level = 10,
456 .vendor1 = CPUID_VENDOR_INTEL_1,
457 .vendor2 = CPUID_VENDOR_INTEL_2,
458 .vendor3 = CPUID_VENDOR_INTEL_3,
459 .family = 6,
460 .model = 15,
461 .stepping = 11,
462 .features = PPRO_FEATURES |
463 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
464 CPUID_PSE36 | CPUID_VME | CPUID_DTS | CPUID_ACPI | CPUID_SS |
465 CPUID_HT | CPUID_TM | CPUID_PBE,
466 .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
467 CPUID_EXT_DTES64 | CPUID_EXT_DSCPL | CPUID_EXT_VMX | CPUID_EXT_EST |
468 CPUID_EXT_TM2 | CPUID_EXT_CX16 | CPUID_EXT_XTPR | CPUID_EXT_PDCM,
469 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
470 .ext3_features = CPUID_EXT3_LAHF_LM,
471 .xlevel = 0x80000008,
472 .model_id = "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz",
473 },
474 {
475 .name = "kvm64",
476 .level = 5,
477 .vendor1 = CPUID_VENDOR_INTEL_1,
478 .vendor2 = CPUID_VENDOR_INTEL_2,
479 .vendor3 = CPUID_VENDOR_INTEL_3,
480 .family = 15,
481 .model = 6,
482 .stepping = 1,
483 /* Missing: CPUID_VME, CPUID_HT */
484 .features = PPRO_FEATURES |
485 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
486 CPUID_PSE36,
487 /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
488 .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_CX16,
489 /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
490 .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
491 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
492 /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
493 CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
494 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
495 CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
496 .ext3_features = 0,
497 .xlevel = 0x80000008,
498 .model_id = "Common KVM processor"
499 },
500 {
501 .name = "qemu32",
502 .level = 4,
503 .vendor1 = CPUID_VENDOR_INTEL_1,
504 .vendor2 = CPUID_VENDOR_INTEL_2,
505 .vendor3 = CPUID_VENDOR_INTEL_3,
506 .family = 6,
507 .model = 3,
508 .stepping = 3,
509 .features = PPRO_FEATURES,
510 .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_POPCNT,
511 .xlevel = 0x80000004,
512 },
513 {
514 .name = "kvm32",
515 .level = 5,
516 .vendor1 = CPUID_VENDOR_INTEL_1,
517 .vendor2 = CPUID_VENDOR_INTEL_2,
518 .vendor3 = CPUID_VENDOR_INTEL_3,
519 .family = 15,
520 .model = 6,
521 .stepping = 1,
522 .features = PPRO_FEATURES |
523 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36,
524 .ext_features = CPUID_EXT_SSE3,
525 .ext2_features = PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES,
526 .ext3_features = 0,
527 .xlevel = 0x80000008,
528 .model_id = "Common 32-bit KVM processor"
529 },
530 {
531 .name = "coreduo",
532 .level = 10,
533 .vendor1 = CPUID_VENDOR_INTEL_1,
534 .vendor2 = CPUID_VENDOR_INTEL_2,
535 .vendor3 = CPUID_VENDOR_INTEL_3,
536 .family = 6,
537 .model = 14,
538 .stepping = 8,
539 .features = PPRO_FEATURES | CPUID_VME |
540 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_DTS | CPUID_ACPI |
541 CPUID_SS | CPUID_HT | CPUID_TM | CPUID_PBE,
542 .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_VMX |
543 CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR | CPUID_EXT_PDCM,
544 .ext2_features = CPUID_EXT2_NX,
545 .xlevel = 0x80000008,
546 .model_id = "Genuine Intel(R) CPU T2600 @ 2.16GHz",
547 },
548 {
549 .name = "486",
550 .level = 1,
551 .vendor1 = CPUID_VENDOR_INTEL_1,
552 .vendor2 = CPUID_VENDOR_INTEL_2,
553 .vendor3 = CPUID_VENDOR_INTEL_3,
554 .family = 4,
555 .model = 0,
556 .stepping = 0,
557 .features = I486_FEATURES,
558 .xlevel = 0,
559 },
560 {
561 .name = "pentium",
562 .level = 1,
563 .vendor1 = CPUID_VENDOR_INTEL_1,
564 .vendor2 = CPUID_VENDOR_INTEL_2,
565 .vendor3 = CPUID_VENDOR_INTEL_3,
566 .family = 5,
567 .model = 4,
568 .stepping = 3,
569 .features = PENTIUM_FEATURES,
570 .xlevel = 0,
571 },
572 {
573 .name = "pentium2",
574 .level = 2,
575 .vendor1 = CPUID_VENDOR_INTEL_1,
576 .vendor2 = CPUID_VENDOR_INTEL_2,
577 .vendor3 = CPUID_VENDOR_INTEL_3,
578 .family = 6,
579 .model = 5,
580 .stepping = 2,
581 .features = PENTIUM2_FEATURES,
582 .xlevel = 0,
583 },
584 {
585 .name = "pentium3",
586 .level = 2,
587 .vendor1 = CPUID_VENDOR_INTEL_1,
588 .vendor2 = CPUID_VENDOR_INTEL_2,
589 .vendor3 = CPUID_VENDOR_INTEL_3,
590 .family = 6,
591 .model = 7,
592 .stepping = 3,
593 .features = PENTIUM3_FEATURES,
594 .xlevel = 0,
595 },
596 {
597 .name = "athlon",
598 .level = 2,
599 .vendor1 = CPUID_VENDOR_AMD_1,
600 .vendor2 = CPUID_VENDOR_AMD_2,
601 .vendor3 = CPUID_VENDOR_AMD_3,
602 .family = 6,
603 .model = 2,
604 .stepping = 3,
605 .features = PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR |
606 CPUID_MCA,
607 .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
608 CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT,
609 .xlevel = 0x80000008,
610 },
611 {
612 .name = "n270",
613 /* original is on level 10 */
614 .level = 5,
615 .vendor1 = CPUID_VENDOR_INTEL_1,
616 .vendor2 = CPUID_VENDOR_INTEL_2,
617 .vendor3 = CPUID_VENDOR_INTEL_3,
618 .family = 6,
619 .model = 28,
620 .stepping = 2,
621 .features = PPRO_FEATURES |
622 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME | CPUID_DTS |
623 CPUID_ACPI | CPUID_SS | CPUID_HT | CPUID_TM | CPUID_PBE,
624 /* Some CPUs got no CPUID_SEP */
625 .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
626 CPUID_EXT_DSCPL | CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR,
627 .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
628 CPUID_EXT2_NX,
629 .ext3_features = CPUID_EXT3_LAHF_LM,
630 .xlevel = 0x8000000A,
631 .model_id = "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
632 },
633 {
634 .name = "Conroe",
635 .level = 2,
636 .vendor1 = CPUID_VENDOR_INTEL_1,
637 .vendor2 = CPUID_VENDOR_INTEL_2,
638 .vendor3 = CPUID_VENDOR_INTEL_3,
639 .family = 6,
640 .model = 2,
641 .stepping = 3,
642 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
643 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
644 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
645 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
646 CPUID_DE | CPUID_FP87,
647 .ext_features = CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
648 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
649 .ext3_features = CPUID_EXT3_LAHF_LM,
650 .xlevel = 0x8000000A,
651 .model_id = "Intel Celeron_4x0 (Conroe/Merom Class Core 2)",
652 },
653 {
654 .name = "Penryn",
655 .level = 2,
656 .vendor1 = CPUID_VENDOR_INTEL_1,
657 .vendor2 = CPUID_VENDOR_INTEL_2,
658 .vendor3 = CPUID_VENDOR_INTEL_3,
659 .family = 6,
660 .model = 2,
661 .stepping = 3,
662 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
663 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
664 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
665 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
666 CPUID_DE | CPUID_FP87,
667 .ext_features = CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
668 CPUID_EXT_SSE3,
669 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
670 .ext3_features = CPUID_EXT3_LAHF_LM,
671 .xlevel = 0x8000000A,
672 .model_id = "Intel Core 2 Duo P9xxx (Penryn Class Core 2)",
673 },
674 {
675 .name = "Nehalem",
676 .level = 2,
677 .vendor1 = CPUID_VENDOR_INTEL_1,
678 .vendor2 = CPUID_VENDOR_INTEL_2,
679 .vendor3 = CPUID_VENDOR_INTEL_3,
680 .family = 6,
681 .model = 2,
682 .stepping = 3,
683 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
684 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
685 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
686 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
687 CPUID_DE | CPUID_FP87,
688 .ext_features = CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
689 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
690 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
691 .ext3_features = CPUID_EXT3_LAHF_LM,
692 .xlevel = 0x8000000A,
693 .model_id = "Intel Core i7 9xx (Nehalem Class Core i7)",
694 },
695 {
696 .name = "Westmere",
697 .level = 11,
698 .vendor1 = CPUID_VENDOR_INTEL_1,
699 .vendor2 = CPUID_VENDOR_INTEL_2,
700 .vendor3 = CPUID_VENDOR_INTEL_3,
701 .family = 6,
702 .model = 44,
703 .stepping = 1,
704 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
705 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
706 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
707 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
708 CPUID_DE | CPUID_FP87,
709 .ext_features = CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
710 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
711 CPUID_EXT_SSE3,
712 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
713 .ext3_features = CPUID_EXT3_LAHF_LM,
714 .xlevel = 0x8000000A,
715 .model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
716 },
717 {
718 .name = "SandyBridge",
719 .level = 0xd,
720 .vendor1 = CPUID_VENDOR_INTEL_1,
721 .vendor2 = CPUID_VENDOR_INTEL_2,
722 .vendor3 = CPUID_VENDOR_INTEL_3,
723 .family = 6,
724 .model = 42,
725 .stepping = 1,
726 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
727 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
728 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
729 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
730 CPUID_DE | CPUID_FP87,
731 .ext_features = CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
732 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
733 CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
734 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
735 CPUID_EXT_SSE3,
736 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
737 CPUID_EXT2_SYSCALL,
738 .ext3_features = CPUID_EXT3_LAHF_LM,
739 .xlevel = 0x8000000A,
740 .model_id = "Intel Xeon E312xx (Sandy Bridge)",
741 },
742 {
743 .name = "Haswell",
744 .level = 0xd,
745 .vendor1 = CPUID_VENDOR_INTEL_1,
746 .vendor2 = CPUID_VENDOR_INTEL_2,
747 .vendor3 = CPUID_VENDOR_INTEL_3,
748 .family = 6,
749 .model = 60,
750 .stepping = 1,
751 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
752 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
753 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
754 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
755 CPUID_DE | CPUID_FP87,
756 .ext_features = CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
757 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
758 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
759 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
760 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
761 CPUID_EXT_PCID,
762 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
763 CPUID_EXT2_SYSCALL,
764 .ext3_features = CPUID_EXT3_LAHF_LM,
765 .cpuid_7_0_ebx_features = CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
766 CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
767 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
768 CPUID_7_0_EBX_RTM,
769 .xlevel = 0x8000000A,
770 .model_id = "Intel Core Processor (Haswell)",
771 },
772 {
773 .name = "Opteron_G1",
774 .level = 5,
775 .vendor1 = CPUID_VENDOR_AMD_1,
776 .vendor2 = CPUID_VENDOR_AMD_2,
777 .vendor3 = CPUID_VENDOR_AMD_3,
778 .family = 15,
779 .model = 6,
780 .stepping = 1,
781 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
782 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
783 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
784 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
785 CPUID_DE | CPUID_FP87,
786 .ext_features = CPUID_EXT_SSE3,
787 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
788 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
789 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
790 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
791 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
792 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
793 .xlevel = 0x80000008,
794 .model_id = "AMD Opteron 240 (Gen 1 Class Opteron)",
795 },
796 {
797 .name = "Opteron_G2",
798 .level = 5,
799 .vendor1 = CPUID_VENDOR_AMD_1,
800 .vendor2 = CPUID_VENDOR_AMD_2,
801 .vendor3 = CPUID_VENDOR_AMD_3,
802 .family = 15,
803 .model = 6,
804 .stepping = 1,
805 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
806 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
807 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
808 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
809 CPUID_DE | CPUID_FP87,
810 .ext_features = CPUID_EXT_CX16 | CPUID_EXT_SSE3,
811 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_FXSR |
812 CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
813 CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
814 CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
815 CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
816 CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
817 CPUID_EXT2_DE | CPUID_EXT2_FPU,
818 .ext3_features = CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
819 .xlevel = 0x80000008,
820 .model_id = "AMD Opteron 22xx (Gen 2 Class Opteron)",
821 },
822 {
823 .name = "Opteron_G3",
824 .level = 5,
825 .vendor1 = CPUID_VENDOR_AMD_1,
826 .vendor2 = CPUID_VENDOR_AMD_2,
827 .vendor3 = CPUID_VENDOR_AMD_3,
828 .family = 15,
829 .model = 6,
830 .stepping = 1,
831 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
832 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
833 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
834 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
835 CPUID_DE | CPUID_FP87,
836 .ext_features = CPUID_EXT_POPCNT | CPUID_EXT_CX16 | CPUID_EXT_MONITOR |
837 CPUID_EXT_SSE3,
838 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_FXSR |
839 CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
840 CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
841 CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
842 CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
843 CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
844 CPUID_EXT2_DE | CPUID_EXT2_FPU,
845 .ext3_features = CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A |
846 CPUID_EXT3_ABM | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
847 .xlevel = 0x80000008,
848 .model_id = "AMD Opteron 23xx (Gen 3 Class Opteron)",
849 },
850 {
851 .name = "Opteron_G4",
852 .level = 0xd,
853 .vendor1 = CPUID_VENDOR_AMD_1,
854 .vendor2 = CPUID_VENDOR_AMD_2,
855 .vendor3 = CPUID_VENDOR_AMD_3,
856 .family = 21,
857 .model = 1,
858 .stepping = 2,
859 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
860 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
861 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
862 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
863 CPUID_DE | CPUID_FP87,
864 .ext_features = CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
865 CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
866 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
867 CPUID_EXT_SSE3,
868 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP |
869 CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
870 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
871 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
872 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
873 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
874 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
875 .ext3_features = CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
876 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
877 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
878 CPUID_EXT3_LAHF_LM,
879 .xlevel = 0x8000001A,
880 .model_id = "AMD Opteron 62xx class CPU",
881 },
882 {
883 .name = "Opteron_G5",
884 .level = 0xd,
885 .vendor1 = CPUID_VENDOR_AMD_1,
886 .vendor2 = CPUID_VENDOR_AMD_2,
887 .vendor3 = CPUID_VENDOR_AMD_3,
888 .family = 21,
889 .model = 2,
890 .stepping = 0,
891 .features = 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 .ext_features = CPUID_EXT_F16C | CPUID_EXT_AVX | CPUID_EXT_XSAVE |
897 CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
898 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_FMA |
899 CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
900 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP |
901 CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
902 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
903 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
904 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
905 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
906 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
907 .ext3_features = CPUID_EXT3_TBM | CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
908 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
909 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
910 CPUID_EXT3_LAHF_LM,
911 .xlevel = 0x8000001A,
912 .model_id = "AMD Opteron 63xx class CPU",
913 },
914};
915
916#ifdef CONFIG_KVM
917static int cpu_x86_fill_model_id(char *str)
918{
919 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
920 int i;
921
922 for (i = 0; i < 3; i++) {
923 host_cpuid(0x80000002 + i, 0, &eax, &ebx, &ecx, &edx);
924 memcpy(str + i * 16 + 0, &eax, 4);
925 memcpy(str + i * 16 + 4, &ebx, 4);
926 memcpy(str + i * 16 + 8, &ecx, 4);
927 memcpy(str + i * 16 + 12, &edx, 4);
928 }
929 return 0;
930}
931#endif
932
933/* Fill a x86_def_t struct with information about the host CPU, and
934 * the CPU features supported by the host hardware + host kernel
935 *
936 * This function may be called only if KVM is enabled.
937 */
938static void kvm_cpu_fill_host(x86_def_t *x86_cpu_def)
939{
940#ifdef CONFIG_KVM
941 KVMState *s = kvm_state;
942 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
943
944 assert(kvm_enabled());
945
946 x86_cpu_def->name = "host";
947 host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);
948 x86_cpu_def->vendor1 = ebx;
949 x86_cpu_def->vendor2 = edx;
950 x86_cpu_def->vendor3 = ecx;
951
952 host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx);
953 x86_cpu_def->family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF);
954 x86_cpu_def->model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12);
955 x86_cpu_def->stepping = eax & 0x0F;
956
957 x86_cpu_def->level = kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX);
958 x86_cpu_def->features = kvm_arch_get_supported_cpuid(s, 0x1, 0, R_EDX);
959 x86_cpu_def->ext_features = kvm_arch_get_supported_cpuid(s, 0x1, 0, R_ECX);
960
961 if (x86_cpu_def->level >= 7) {
962 x86_cpu_def->cpuid_7_0_ebx_features =
963 kvm_arch_get_supported_cpuid(s, 0x7, 0, R_EBX);
964 } else {
965 x86_cpu_def->cpuid_7_0_ebx_features = 0;
966 }
967
968 x86_cpu_def->xlevel = kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX);
969 x86_cpu_def->ext2_features =
970 kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_EDX);
971 x86_cpu_def->ext3_features =
972 kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_ECX);
973
974 cpu_x86_fill_model_id(x86_cpu_def->model_id);
975 x86_cpu_def->vendor_override = 0;
976
977 /* Call Centaur's CPUID instruction. */
978 if (x86_cpu_def->vendor1 == CPUID_VENDOR_VIA_1 &&
979 x86_cpu_def->vendor2 == CPUID_VENDOR_VIA_2 &&
980 x86_cpu_def->vendor3 == CPUID_VENDOR_VIA_3) {
981 host_cpuid(0xC0000000, 0, &eax, &ebx, &ecx, &edx);
982 eax = kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX);
983 if (eax >= 0xC0000001) {
984 /* Support VIA max extended level */
985 x86_cpu_def->xlevel2 = eax;
986 host_cpuid(0xC0000001, 0, &eax, &ebx, &ecx, &edx);
987 x86_cpu_def->ext4_features =
988 kvm_arch_get_supported_cpuid(s, 0xC0000001, 0, R_EDX);
989 }
990 }
991
992 /* Other KVM-specific feature fields: */
993 x86_cpu_def->svm_features =
994 kvm_arch_get_supported_cpuid(s, 0x8000000A, 0, R_EDX);
995 x86_cpu_def->kvm_features =
996 kvm_arch_get_supported_cpuid(s, KVM_CPUID_FEATURES, 0, R_EAX);
997
998#endif /* CONFIG_KVM */
999}
1000
1001static int unavailable_host_feature(FeatureWordInfo *f, uint32_t mask)
1002{
1003 int i;
1004
1005 for (i = 0; i < 32; ++i)
1006 if (1 << i & mask) {
1007 const char *reg = get_register_name_32(f->cpuid_reg);
1008 assert(reg);
1009 fprintf(stderr, "warning: host doesn't support requested feature: "
1010 "CPUID.%02XH:%s%s%s [bit %d]\n",
1011 f->cpuid_eax, reg,
1012 f->feat_names[i] ? "." : "",
1013 f->feat_names[i] ? f->feat_names[i] : "", i);
1014 break;
1015 }
1016 return 0;
1017}
1018
1019/* Check if all requested cpu flags are making their way to the guest
1020 *
1021 * Returns 0 if all flags are supported by the host, non-zero otherwise.
1022 *
1023 * This function may be called only if KVM is enabled.
1024 */
1025static int kvm_check_features_against_host(X86CPU *cpu)
1026{
1027 CPUX86State *env = &cpu->env;
1028 x86_def_t host_def;
1029 uint32_t mask;
1030 int rv, i;
1031 struct model_features_t ft[] = {
1032 {&env->cpuid_features, &host_def.features,
1033 FEAT_1_EDX },
1034 {&env->cpuid_ext_features, &host_def.ext_features,
1035 FEAT_1_ECX },
1036 {&env->cpuid_ext2_features, &host_def.ext2_features,
1037 FEAT_8000_0001_EDX },
1038 {&env->cpuid_ext3_features, &host_def.ext3_features,
1039 FEAT_8000_0001_ECX },
1040 {&env->cpuid_ext4_features, &host_def.ext4_features,
1041 FEAT_C000_0001_EDX },
1042 {&env->cpuid_7_0_ebx_features, &host_def.cpuid_7_0_ebx_features,
1043 FEAT_7_0_EBX },
1044 {&env->cpuid_svm_features, &host_def.svm_features,
1045 FEAT_SVM },
1046 {&env->cpuid_kvm_features, &host_def.kvm_features,
1047 FEAT_KVM },
1048 };
1049
1050 assert(kvm_enabled());
1051
1052 kvm_cpu_fill_host(&host_def);
1053 for (rv = 0, i = 0; i < ARRAY_SIZE(ft); ++i) {
1054 FeatureWord w = ft[i].feat_word;
1055 FeatureWordInfo *wi = &feature_word_info[w];
1056 for (mask = 1; mask; mask <<= 1) {
1057 if (*ft[i].guest_feat & mask &&
1058 !(*ft[i].host_feat & mask)) {
1059 unavailable_host_feature(wi, mask);
1060 rv = 1;
1061 }
1062 }
1063 }
1064 return rv;
1065}
1066
1067static void x86_cpuid_version_get_family(Object *obj, Visitor *v, void *opaque,
1068 const char *name, Error **errp)
1069{
1070 X86CPU *cpu = X86_CPU(obj);
1071 CPUX86State *env = &cpu->env;
1072 int64_t value;
1073
1074 value = (env->cpuid_version >> 8) & 0xf;
1075 if (value == 0xf) {
1076 value += (env->cpuid_version >> 20) & 0xff;
1077 }
1078 visit_type_int(v, &value, name, errp);
1079}
1080
1081static void x86_cpuid_version_set_family(Object *obj, Visitor *v, void *opaque,
1082 const char *name, Error **errp)
1083{
1084 X86CPU *cpu = X86_CPU(obj);
1085 CPUX86State *env = &cpu->env;
1086 const int64_t min = 0;
1087 const int64_t max = 0xff + 0xf;
1088 int64_t value;
1089
1090 visit_type_int(v, &value, name, errp);
1091 if (error_is_set(errp)) {
1092 return;
1093 }
1094 if (value < min || value > max) {
1095 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1096 name ? name : "null", value, min, max);
1097 return;
1098 }
1099
1100 env->cpuid_version &= ~0xff00f00;
1101 if (value > 0x0f) {
1102 env->cpuid_version |= 0xf00 | ((value - 0x0f) << 20);
1103 } else {
1104 env->cpuid_version |= value << 8;
1105 }
1106}
1107
1108static void x86_cpuid_version_get_model(Object *obj, Visitor *v, void *opaque,
1109 const char *name, Error **errp)
1110{
1111 X86CPU *cpu = X86_CPU(obj);
1112 CPUX86State *env = &cpu->env;
1113 int64_t value;
1114
1115 value = (env->cpuid_version >> 4) & 0xf;
1116 value |= ((env->cpuid_version >> 16) & 0xf) << 4;
1117 visit_type_int(v, &value, name, errp);
1118}
1119
1120static void x86_cpuid_version_set_model(Object *obj, Visitor *v, void *opaque,
1121 const char *name, Error **errp)
1122{
1123 X86CPU *cpu = X86_CPU(obj);
1124 CPUX86State *env = &cpu->env;
1125 const int64_t min = 0;
1126 const int64_t max = 0xff;
1127 int64_t value;
1128
1129 visit_type_int(v, &value, name, errp);
1130 if (error_is_set(errp)) {
1131 return;
1132 }
1133 if (value < min || value > max) {
1134 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1135 name ? name : "null", value, min, max);
1136 return;
1137 }
1138
1139 env->cpuid_version &= ~0xf00f0;
1140 env->cpuid_version |= ((value & 0xf) << 4) | ((value >> 4) << 16);
1141}
1142
1143static void x86_cpuid_version_get_stepping(Object *obj, Visitor *v,
1144 void *opaque, const char *name,
1145 Error **errp)
1146{
1147 X86CPU *cpu = X86_CPU(obj);
1148 CPUX86State *env = &cpu->env;
1149 int64_t value;
1150
1151 value = env->cpuid_version & 0xf;
1152 visit_type_int(v, &value, name, errp);
1153}
1154
1155static void x86_cpuid_version_set_stepping(Object *obj, Visitor *v,
1156 void *opaque, const char *name,
1157 Error **errp)
1158{
1159 X86CPU *cpu = X86_CPU(obj);
1160 CPUX86State *env = &cpu->env;
1161 const int64_t min = 0;
1162 const int64_t max = 0xf;
1163 int64_t value;
1164
1165 visit_type_int(v, &value, name, errp);
1166 if (error_is_set(errp)) {
1167 return;
1168 }
1169 if (value < min || value > max) {
1170 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1171 name ? name : "null", value, min, max);
1172 return;
1173 }
1174
1175 env->cpuid_version &= ~0xf;
1176 env->cpuid_version |= value & 0xf;
1177}
1178
1179static void x86_cpuid_get_level(Object *obj, Visitor *v, void *opaque,
1180 const char *name, Error **errp)
1181{
1182 X86CPU *cpu = X86_CPU(obj);
1183
1184 visit_type_uint32(v, &cpu->env.cpuid_level, name, errp);
1185}
1186
1187static void x86_cpuid_set_level(Object *obj, Visitor *v, void *opaque,
1188 const char *name, Error **errp)
1189{
1190 X86CPU *cpu = X86_CPU(obj);
1191
1192 visit_type_uint32(v, &cpu->env.cpuid_level, name, errp);
1193}
1194
1195static void x86_cpuid_get_xlevel(Object *obj, Visitor *v, void *opaque,
1196 const char *name, Error **errp)
1197{
1198 X86CPU *cpu = X86_CPU(obj);
1199
1200 visit_type_uint32(v, &cpu->env.cpuid_xlevel, name, errp);
1201}
1202
1203static void x86_cpuid_set_xlevel(Object *obj, Visitor *v, void *opaque,
1204 const char *name, Error **errp)
1205{
1206 X86CPU *cpu = X86_CPU(obj);
1207
1208 visit_type_uint32(v, &cpu->env.cpuid_xlevel, name, errp);
1209}
1210
1211static char *x86_cpuid_get_vendor(Object *obj, Error **errp)
1212{
1213 X86CPU *cpu = X86_CPU(obj);
1214 CPUX86State *env = &cpu->env;
1215 char *value;
1216 int i;
1217
1218 value = (char *)g_malloc(CPUID_VENDOR_SZ + 1);
1219 for (i = 0; i < 4; i++) {
1220 value[i ] = env->cpuid_vendor1 >> (8 * i);
1221 value[i + 4] = env->cpuid_vendor2 >> (8 * i);
1222 value[i + 8] = env->cpuid_vendor3 >> (8 * i);
1223 }
1224 value[CPUID_VENDOR_SZ] = '\0';
1225 return value;
1226}
1227
1228static void x86_cpuid_set_vendor(Object *obj, const char *value,
1229 Error **errp)
1230{
1231 X86CPU *cpu = X86_CPU(obj);
1232 CPUX86State *env = &cpu->env;
1233 int i;
1234
1235 if (strlen(value) != CPUID_VENDOR_SZ) {
1236 error_set(errp, QERR_PROPERTY_VALUE_BAD, "",
1237 "vendor", value);
1238 return;
1239 }
1240
1241 env->cpuid_vendor1 = 0;
1242 env->cpuid_vendor2 = 0;
1243 env->cpuid_vendor3 = 0;
1244 for (i = 0; i < 4; i++) {
1245 env->cpuid_vendor1 |= ((uint8_t)value[i ]) << (8 * i);
1246 env->cpuid_vendor2 |= ((uint8_t)value[i + 4]) << (8 * i);
1247 env->cpuid_vendor3 |= ((uint8_t)value[i + 8]) << (8 * i);
1248 }
1249 env->cpuid_vendor_override = 1;
1250}
1251
1252static char *x86_cpuid_get_model_id(Object *obj, Error **errp)
1253{
1254 X86CPU *cpu = X86_CPU(obj);
1255 CPUX86State *env = &cpu->env;
1256 char *value;
1257 int i;
1258
1259 value = g_malloc(48 + 1);
1260 for (i = 0; i < 48; i++) {
1261 value[i] = env->cpuid_model[i >> 2] >> (8 * (i & 3));
1262 }
1263 value[48] = '\0';
1264 return value;
1265}
1266
1267static void x86_cpuid_set_model_id(Object *obj, const char *model_id,
1268 Error **errp)
1269{
1270 X86CPU *cpu = X86_CPU(obj);
1271 CPUX86State *env = &cpu->env;
1272 int c, len, i;
1273
1274 if (model_id == NULL) {
1275 model_id = "";
1276 }
1277 len = strlen(model_id);
1278 memset(env->cpuid_model, 0, 48);
1279 for (i = 0; i < 48; i++) {
1280 if (i >= len) {
1281 c = '\0';
1282 } else {
1283 c = (uint8_t)model_id[i];
1284 }
1285 env->cpuid_model[i >> 2] |= c << (8 * (i & 3));
1286 }
1287}
1288
1289static void x86_cpuid_get_tsc_freq(Object *obj, Visitor *v, void *opaque,
1290 const char *name, Error **errp)
1291{
1292 X86CPU *cpu = X86_CPU(obj);
1293 int64_t value;
1294
1295 value = cpu->env.tsc_khz * 1000;
1296 visit_type_int(v, &value, name, errp);
1297}
1298
1299static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, void *opaque,
1300 const char *name, Error **errp)
1301{
1302 X86CPU *cpu = X86_CPU(obj);
1303 const int64_t min = 0;
1304 const int64_t max = INT64_MAX;
1305 int64_t value;
1306
1307 visit_type_int(v, &value, name, errp);
1308 if (error_is_set(errp)) {
1309 return;
1310 }
1311 if (value < min || value > max) {
1312 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1313 name ? name : "null", value, min, max);
1314 return;
1315 }
1316
1317 cpu->env.tsc_khz = value / 1000;
1318}
1319
1320static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *name)
1321{
1322 x86_def_t *def;
1323
1324 for (def = x86_defs; def; def = def->next) {
1325 if (name && !strcmp(name, def->name)) {
1326 break;
1327 }
1328 }
1329 if (kvm_enabled() && name && strcmp(name, "host") == 0) {
1330 kvm_cpu_fill_host(x86_cpu_def);
1331 } else if (!def) {
1332 return -1;
1333 } else {
1334 memcpy(x86_cpu_def, def, sizeof(*def));
1335 }
1336
1337 return 0;
1338}
1339
1340/* Parse "+feature,-feature,feature=foo" CPU feature string
1341 */
1342static int cpu_x86_parse_featurestr(x86_def_t *x86_cpu_def, char *features)
1343{
1344 unsigned int i;
1345 char *featurestr; /* Single 'key=value" string being parsed */
1346 /* Features to be added */
1347 FeatureWordArray plus_features = { 0 };
1348 /* Features to be removed */
1349 FeatureWordArray minus_features = { 0 };
1350 uint32_t numvalue;
1351
1352 featurestr = features ? strtok(features, ",") : NULL;
1353
1354 while (featurestr) {
1355 char *val;
1356 if (featurestr[0] == '+') {
1357 add_flagname_to_bitmaps(featurestr + 1, plus_features);
1358 } else if (featurestr[0] == '-') {
1359 add_flagname_to_bitmaps(featurestr + 1, minus_features);
1360 } else if ((val = strchr(featurestr, '='))) {
1361 *val = 0; val++;
1362 if (!strcmp(featurestr, "family")) {
1363 char *err;
1364 numvalue = strtoul(val, &err, 0);
1365 if (!*val || *err || numvalue > 0xff + 0xf) {
1366 fprintf(stderr, "bad numerical value %s\n", val);
1367 goto error;
1368 }
1369 x86_cpu_def->family = numvalue;
1370 } else if (!strcmp(featurestr, "model")) {
1371 char *err;
1372 numvalue = strtoul(val, &err, 0);
1373 if (!*val || *err || numvalue > 0xff) {
1374 fprintf(stderr, "bad numerical value %s\n", val);
1375 goto error;
1376 }
1377 x86_cpu_def->model = numvalue;
1378 } else if (!strcmp(featurestr, "stepping")) {
1379 char *err;
1380 numvalue = strtoul(val, &err, 0);
1381 if (!*val || *err || numvalue > 0xf) {
1382 fprintf(stderr, "bad numerical value %s\n", val);
1383 goto error;
1384 }
1385 x86_cpu_def->stepping = numvalue ;
1386 } else if (!strcmp(featurestr, "level")) {
1387 char *err;
1388 numvalue = strtoul(val, &err, 0);
1389 if (!*val || *err) {
1390 fprintf(stderr, "bad numerical value %s\n", val);
1391 goto error;
1392 }
1393 x86_cpu_def->level = numvalue;
1394 } else if (!strcmp(featurestr, "xlevel")) {
1395 char *err;
1396 numvalue = strtoul(val, &err, 0);
1397 if (!*val || *err) {
1398 fprintf(stderr, "bad numerical value %s\n", val);
1399 goto error;
1400 }
1401 if (numvalue < 0x80000000) {
1402 numvalue += 0x80000000;
1403 }
1404 x86_cpu_def->xlevel = numvalue;
1405 } else if (!strcmp(featurestr, "vendor")) {
1406 if (strlen(val) != 12) {
1407 fprintf(stderr, "vendor string must be 12 chars long\n");
1408 goto error;
1409 }
1410 x86_cpu_def->vendor1 = 0;
1411 x86_cpu_def->vendor2 = 0;
1412 x86_cpu_def->vendor3 = 0;
1413 for(i = 0; i < 4; i++) {
1414 x86_cpu_def->vendor1 |= ((uint8_t)val[i ]) << (8 * i);
1415 x86_cpu_def->vendor2 |= ((uint8_t)val[i + 4]) << (8 * i);
1416 x86_cpu_def->vendor3 |= ((uint8_t)val[i + 8]) << (8 * i);
1417 }
1418 x86_cpu_def->vendor_override = 1;
1419 } else if (!strcmp(featurestr, "model_id")) {
1420 pstrcpy(x86_cpu_def->model_id, sizeof(x86_cpu_def->model_id),
1421 val);
1422 } else if (!strcmp(featurestr, "tsc_freq")) {
1423 int64_t tsc_freq;
1424 char *err;
1425
1426 tsc_freq = strtosz_suffix_unit(val, &err,
1427 STRTOSZ_DEFSUFFIX_B, 1000);
1428 if (tsc_freq < 0 || *err) {
1429 fprintf(stderr, "bad numerical value %s\n", val);
1430 goto error;
1431 }
1432 x86_cpu_def->tsc_khz = tsc_freq / 1000;
1433 } else if (!strcmp(featurestr, "hv_spinlocks")) {
1434 char *err;
1435 numvalue = strtoul(val, &err, 0);
1436 if (!*val || *err) {
1437 fprintf(stderr, "bad numerical value %s\n", val);
1438 goto error;
1439 }
1440 hyperv_set_spinlock_retries(numvalue);
1441 } else {
1442 fprintf(stderr, "unrecognized feature %s\n", featurestr);
1443 goto error;
1444 }
1445 } else if (!strcmp(featurestr, "check")) {
1446 check_cpuid = 1;
1447 } else if (!strcmp(featurestr, "enforce")) {
1448 check_cpuid = enforce_cpuid = 1;
1449 } else if (!strcmp(featurestr, "hv_relaxed")) {
1450 hyperv_enable_relaxed_timing(true);
1451 } else if (!strcmp(featurestr, "hv_vapic")) {
1452 hyperv_enable_vapic_recommended(true);
1453 } else {
1454 fprintf(stderr, "feature string `%s' not in format (+feature|-feature|feature=xyz)\n", featurestr);
1455 goto error;
1456 }
1457 featurestr = strtok(NULL, ",");
1458 }
1459 x86_cpu_def->features |= plus_features[FEAT_1_EDX];
1460 x86_cpu_def->ext_features |= plus_features[FEAT_1_ECX];
1461 x86_cpu_def->ext2_features |= plus_features[FEAT_8000_0001_EDX];
1462 x86_cpu_def->ext3_features |= plus_features[FEAT_8000_0001_ECX];
1463 x86_cpu_def->ext4_features |= plus_features[FEAT_C000_0001_EDX];
1464 x86_cpu_def->kvm_features |= plus_features[FEAT_KVM];
1465 x86_cpu_def->svm_features |= plus_features[FEAT_SVM];
1466 x86_cpu_def->cpuid_7_0_ebx_features |= plus_features[FEAT_7_0_EBX];
1467 x86_cpu_def->features &= ~minus_features[FEAT_1_EDX];
1468 x86_cpu_def->ext_features &= ~minus_features[FEAT_1_ECX];
1469 x86_cpu_def->ext2_features &= ~minus_features[FEAT_8000_0001_EDX];
1470 x86_cpu_def->ext3_features &= ~minus_features[FEAT_8000_0001_ECX];
1471 x86_cpu_def->ext4_features &= ~minus_features[FEAT_C000_0001_EDX];
1472 x86_cpu_def->kvm_features &= ~minus_features[FEAT_KVM];
1473 x86_cpu_def->svm_features &= ~minus_features[FEAT_SVM];
1474 x86_cpu_def->cpuid_7_0_ebx_features &= ~minus_features[FEAT_7_0_EBX];
1475 return 0;
1476
1477error:
1478 return -1;
1479}
1480
1481/* generate a composite string into buf of all cpuid names in featureset
1482 * selected by fbits. indicate truncation at bufsize in the event of overflow.
1483 * if flags, suppress names undefined in featureset.
1484 */
1485static void listflags(char *buf, int bufsize, uint32_t fbits,
1486 const char **featureset, uint32_t flags)
1487{
1488 const char **p = &featureset[31];
1489 char *q, *b, bit;
1490 int nc;
1491
1492 b = 4 <= bufsize ? buf + (bufsize -= 3) - 1 : NULL;
1493 *buf = '\0';
1494 for (q = buf, bit = 31; fbits && bufsize; --p, fbits &= ~(1 << bit), --bit)
1495 if (fbits & 1 << bit && (*p || !flags)) {
1496 if (*p)
1497 nc = snprintf(q, bufsize, "%s%s", q == buf ? "" : " ", *p);
1498 else
1499 nc = snprintf(q, bufsize, "%s[%d]", q == buf ? "" : " ", bit);
1500 if (bufsize <= nc) {
1501 if (b) {
1502 memcpy(b, "...", sizeof("..."));
1503 }
1504 return;
1505 }
1506 q += nc;
1507 bufsize -= nc;
1508 }
1509}
1510
1511/* generate CPU information. */
1512void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf)
1513{
1514 x86_def_t *def;
1515 char buf[256];
1516
1517 for (def = x86_defs; def; def = def->next) {
1518 snprintf(buf, sizeof(buf), "%s", def->name);
1519 (*cpu_fprintf)(f, "x86 %16s %-48s\n", buf, def->model_id);
1520 }
1521 if (kvm_enabled()) {
1522 (*cpu_fprintf)(f, "x86 %16s\n", "[host]");
1523 }
1524 (*cpu_fprintf)(f, "\nRecognized CPUID flags:\n");
1525 listflags(buf, sizeof(buf), (uint32_t)~0, feature_name, 1);
1526 (*cpu_fprintf)(f, " %s\n", buf);
1527 listflags(buf, sizeof(buf), (uint32_t)~0, ext_feature_name, 1);
1528 (*cpu_fprintf)(f, " %s\n", buf);
1529 listflags(buf, sizeof(buf), (uint32_t)~0, ext2_feature_name, 1);
1530 (*cpu_fprintf)(f, " %s\n", buf);
1531 listflags(buf, sizeof(buf), (uint32_t)~0, ext3_feature_name, 1);
1532 (*cpu_fprintf)(f, " %s\n", buf);
1533}
1534
1535CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp)
1536{
1537 CpuDefinitionInfoList *cpu_list = NULL;
1538 x86_def_t *def;
1539
1540 for (def = x86_defs; def; def = def->next) {
1541 CpuDefinitionInfoList *entry;
1542 CpuDefinitionInfo *info;
1543
1544 info = g_malloc0(sizeof(*info));
1545 info->name = g_strdup(def->name);
1546
1547 entry = g_malloc0(sizeof(*entry));
1548 entry->value = info;
1549 entry->next = cpu_list;
1550 cpu_list = entry;
1551 }
1552
1553 return cpu_list;
1554}
1555
1556#ifdef CONFIG_KVM
1557static void filter_features_for_kvm(X86CPU *cpu)
1558{
1559 CPUX86State *env = &cpu->env;
1560 KVMState *s = kvm_state;
1561
1562 env->cpuid_features &=
1563 kvm_arch_get_supported_cpuid(s, 1, 0, R_EDX);
1564 env->cpuid_ext_features &=
1565 kvm_arch_get_supported_cpuid(s, 1, 0, R_ECX);
1566 env->cpuid_ext2_features &=
1567 kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_EDX);
1568 env->cpuid_ext3_features &=
1569 kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_ECX);
1570 env->cpuid_svm_features &=
1571 kvm_arch_get_supported_cpuid(s, 0x8000000A, 0, R_EDX);
1572 env->cpuid_7_0_ebx_features &=
1573 kvm_arch_get_supported_cpuid(s, 7, 0, R_EBX);
1574 env->cpuid_kvm_features &=
1575 kvm_arch_get_supported_cpuid(s, KVM_CPUID_FEATURES, 0, R_EAX);
1576 env->cpuid_ext4_features &=
1577 kvm_arch_get_supported_cpuid(s, 0xC0000001, 0, R_EDX);
1578
1579}
1580#endif
1581
1582int cpu_x86_register(X86CPU *cpu, const char *cpu_model)
1583{
1584 CPUX86State *env = &cpu->env;
1585 x86_def_t def1, *def = &def1;
1586 Error *error = NULL;
1587 char *name, *features;
1588 gchar **model_pieces;
1589
1590 memset(def, 0, sizeof(*def));
1591
1592 model_pieces = g_strsplit(cpu_model, ",", 2);
1593 if (!model_pieces[0]) {
1594 error_setg(&error, "Invalid/empty CPU model name");
1595 goto out;
1596 }
1597 name = model_pieces[0];
1598 features = model_pieces[1];
1599
1600 if (cpu_x86_find_by_name(def, name) < 0) {
1601 error_setg(&error, "Unable to find CPU definition: %s", name);
1602 goto out;
1603 }
1604
1605 def->kvm_features |= kvm_default_features;
1606 def->ext_features |= CPUID_EXT_HYPERVISOR;
1607
1608 if (cpu_x86_parse_featurestr(def, features) < 0) {
1609 error_setg(&error, "Invalid cpu_model string format: %s", cpu_model);
1610 goto out;
1611 }
1612 assert(def->vendor1);
1613 env->cpuid_vendor1 = def->vendor1;
1614 env->cpuid_vendor2 = def->vendor2;
1615 env->cpuid_vendor3 = def->vendor3;
1616 env->cpuid_vendor_override = def->vendor_override;
1617 object_property_set_int(OBJECT(cpu), def->level, "level", &error);
1618 object_property_set_int(OBJECT(cpu), def->family, "family", &error);
1619 object_property_set_int(OBJECT(cpu), def->model, "model", &error);
1620 object_property_set_int(OBJECT(cpu), def->stepping, "stepping", &error);
1621 env->cpuid_features = def->features;
1622 env->cpuid_ext_features = def->ext_features;
1623 env->cpuid_ext2_features = def->ext2_features;
1624 env->cpuid_ext3_features = def->ext3_features;
1625 object_property_set_int(OBJECT(cpu), def->xlevel, "xlevel", &error);
1626 env->cpuid_kvm_features = def->kvm_features;
1627 env->cpuid_svm_features = def->svm_features;
1628 env->cpuid_ext4_features = def->ext4_features;
1629 env->cpuid_7_0_ebx_features = def->cpuid_7_0_ebx_features;
1630 env->cpuid_xlevel2 = def->xlevel2;
1631 object_property_set_int(OBJECT(cpu), (int64_t)def->tsc_khz * 1000,
1632 "tsc-frequency", &error);
1633
1634 object_property_set_str(OBJECT(cpu), def->model_id, "model-id", &error);
1635
1636out:
1637 g_strfreev(model_pieces);
1638 if (error) {
1639 fprintf(stderr, "%s\n", error_get_pretty(error));
1640 error_free(error);
1641 return -1;
1642 }
1643 return 0;
1644}
1645
1646#if !defined(CONFIG_USER_ONLY)
1647
1648void cpu_clear_apic_feature(CPUX86State *env)
1649{
1650 env->cpuid_features &= ~CPUID_APIC;
1651}
1652
1653#endif /* !CONFIG_USER_ONLY */
1654
1655/* Initialize list of CPU models, filling some non-static fields if necessary
1656 */
1657void x86_cpudef_setup(void)
1658{
1659 int i, j;
1660 static const char *model_with_versions[] = { "qemu32", "qemu64", "athlon" };
1661
1662 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); ++i) {
1663 x86_def_t *def = &builtin_x86_defs[i];
1664 def->next = x86_defs;
1665
1666 /* Look for specific "cpudef" models that */
1667 /* have the QEMU version in .model_id */
1668 for (j = 0; j < ARRAY_SIZE(model_with_versions); j++) {
1669 if (strcmp(model_with_versions[j], def->name) == 0) {
1670 pstrcpy(def->model_id, sizeof(def->model_id),
1671 "QEMU Virtual CPU version ");
1672 pstrcat(def->model_id, sizeof(def->model_id),
1673 qemu_get_version());
1674 break;
1675 }
1676 }
1677
1678 x86_defs = def;
1679 }
1680}
1681
1682static void get_cpuid_vendor(CPUX86State *env, uint32_t *ebx,
1683 uint32_t *ecx, uint32_t *edx)
1684{
1685 *ebx = env->cpuid_vendor1;
1686 *edx = env->cpuid_vendor2;
1687 *ecx = env->cpuid_vendor3;
1688
1689 /* sysenter isn't supported on compatibility mode on AMD, syscall
1690 * isn't supported in compatibility mode on Intel.
1691 * Normally we advertise the actual cpu vendor, but you can override
1692 * this if you want to use KVM's sysenter/syscall emulation
1693 * in compatibility mode and when doing cross vendor migration
1694 */
1695 if (kvm_enabled() && ! env->cpuid_vendor_override) {
1696 host_cpuid(0, 0, NULL, ebx, ecx, edx);
1697 }
1698}
1699
1700void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1701 uint32_t *eax, uint32_t *ebx,
1702 uint32_t *ecx, uint32_t *edx)
1703{
1704 X86CPU *cpu = x86_env_get_cpu(env);
1705 CPUState *cs = CPU(cpu);
1706
1707 /* test if maximum index reached */
1708 if (index & 0x80000000) {
1709 if (index > env->cpuid_xlevel) {
1710 if (env->cpuid_xlevel2 > 0) {
1711 /* Handle the Centaur's CPUID instruction. */
1712 if (index > env->cpuid_xlevel2) {
1713 index = env->cpuid_xlevel2;
1714 } else if (index < 0xC0000000) {
1715 index = env->cpuid_xlevel;
1716 }
1717 } else {
1718 /* Intel documentation states that invalid EAX input will
1719 * return the same information as EAX=cpuid_level
1720 * (Intel SDM Vol. 2A - Instruction Set Reference - CPUID)
1721 */
1722 index = env->cpuid_level;
1723 }
1724 }
1725 } else {
1726 if (index > env->cpuid_level)
1727 index = env->cpuid_level;
1728 }
1729
1730 switch(index) {
1731 case 0:
1732 *eax = env->cpuid_level;
1733 get_cpuid_vendor(env, ebx, ecx, edx);
1734 break;
1735 case 1:
1736 *eax = env->cpuid_version;
1737 *ebx = (env->cpuid_apic_id << 24) | 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */
1738 *ecx = env->cpuid_ext_features;
1739 *edx = env->cpuid_features;
1740 if (cs->nr_cores * cs->nr_threads > 1) {
1741 *ebx |= (cs->nr_cores * cs->nr_threads) << 16;
1742 *edx |= 1 << 28; /* HTT bit */
1743 }
1744 break;
1745 case 2:
1746 /* cache info: needed for Pentium Pro compatibility */
1747 *eax = 1;
1748 *ebx = 0;
1749 *ecx = 0;
1750 *edx = 0x2c307d;
1751 break;
1752 case 4:
1753 /* cache info: needed for Core compatibility */
1754 if (cs->nr_cores > 1) {
1755 *eax = (cs->nr_cores - 1) << 26;
1756 } else {
1757 *eax = 0;
1758 }
1759 switch (count) {
1760 case 0: /* L1 dcache info */
1761 *eax |= 0x0000121;
1762 *ebx = 0x1c0003f;
1763 *ecx = 0x000003f;
1764 *edx = 0x0000001;
1765 break;
1766 case 1: /* L1 icache info */
1767 *eax |= 0x0000122;
1768 *ebx = 0x1c0003f;
1769 *ecx = 0x000003f;
1770 *edx = 0x0000001;
1771 break;
1772 case 2: /* L2 cache info */
1773 *eax |= 0x0000143;
1774 if (cs->nr_threads > 1) {
1775 *eax |= (cs->nr_threads - 1) << 14;
1776 }
1777 *ebx = 0x3c0003f;
1778 *ecx = 0x0000fff;
1779 *edx = 0x0000001;
1780 break;
1781 default: /* end of info */
1782 *eax = 0;
1783 *ebx = 0;
1784 *ecx = 0;
1785 *edx = 0;
1786 break;
1787 }
1788 break;
1789 case 5:
1790 /* mwait info: needed for Core compatibility */
1791 *eax = 0; /* Smallest monitor-line size in bytes */
1792 *ebx = 0; /* Largest monitor-line size in bytes */
1793 *ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE;
1794 *edx = 0;
1795 break;
1796 case 6:
1797 /* Thermal and Power Leaf */
1798 *eax = 0;
1799 *ebx = 0;
1800 *ecx = 0;
1801 *edx = 0;
1802 break;
1803 case 7:
1804 /* Structured Extended Feature Flags Enumeration Leaf */
1805 if (count == 0) {
1806 *eax = 0; /* Maximum ECX value for sub-leaves */
1807 *ebx = env->cpuid_7_0_ebx_features; /* Feature flags */
1808 *ecx = 0; /* Reserved */
1809 *edx = 0; /* Reserved */
1810 } else {
1811 *eax = 0;
1812 *ebx = 0;
1813 *ecx = 0;
1814 *edx = 0;
1815 }
1816 break;
1817 case 9:
1818 /* Direct Cache Access Information Leaf */
1819 *eax = 0; /* Bits 0-31 in DCA_CAP MSR */
1820 *ebx = 0;
1821 *ecx = 0;
1822 *edx = 0;
1823 break;
1824 case 0xA:
1825 /* Architectural Performance Monitoring Leaf */
1826 if (kvm_enabled()) {
1827 KVMState *s = cs->kvm_state;
1828
1829 *eax = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EAX);
1830 *ebx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EBX);
1831 *ecx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_ECX);
1832 *edx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EDX);
1833 } else {
1834 *eax = 0;
1835 *ebx = 0;
1836 *ecx = 0;
1837 *edx = 0;
1838 }
1839 break;
1840 case 0xD:
1841 /* Processor Extended State */
1842 if (!(env->cpuid_ext_features & CPUID_EXT_XSAVE)) {
1843 *eax = 0;
1844 *ebx = 0;
1845 *ecx = 0;
1846 *edx = 0;
1847 break;
1848 }
1849 if (kvm_enabled()) {
1850 KVMState *s = cs->kvm_state;
1851
1852 *eax = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EAX);
1853 *ebx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EBX);
1854 *ecx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_ECX);
1855 *edx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EDX);
1856 } else {
1857 *eax = 0;
1858 *ebx = 0;
1859 *ecx = 0;
1860 *edx = 0;
1861 }
1862 break;
1863 case 0x80000000:
1864 *eax = env->cpuid_xlevel;
1865 *ebx = env->cpuid_vendor1;
1866 *edx = env->cpuid_vendor2;
1867 *ecx = env->cpuid_vendor3;
1868 break;
1869 case 0x80000001:
1870 *eax = env->cpuid_version;
1871 *ebx = 0;
1872 *ecx = env->cpuid_ext3_features;
1873 *edx = env->cpuid_ext2_features;
1874
1875 /* The Linux kernel checks for the CMPLegacy bit and
1876 * discards multiple thread information if it is set.
1877 * So dont set it here for Intel to make Linux guests happy.
1878 */
1879 if (cs->nr_cores * cs->nr_threads > 1) {
1880 uint32_t tebx, tecx, tedx;
1881 get_cpuid_vendor(env, &tebx, &tecx, &tedx);
1882 if (tebx != CPUID_VENDOR_INTEL_1 ||
1883 tedx != CPUID_VENDOR_INTEL_2 ||
1884 tecx != CPUID_VENDOR_INTEL_3) {
1885 *ecx |= 1 << 1; /* CmpLegacy bit */
1886 }
1887 }
1888 break;
1889 case 0x80000002:
1890 case 0x80000003:
1891 case 0x80000004:
1892 *eax = env->cpuid_model[(index - 0x80000002) * 4 + 0];
1893 *ebx = env->cpuid_model[(index - 0x80000002) * 4 + 1];
1894 *ecx = env->cpuid_model[(index - 0x80000002) * 4 + 2];
1895 *edx = env->cpuid_model[(index - 0x80000002) * 4 + 3];
1896 break;
1897 case 0x80000005:
1898 /* cache info (L1 cache) */
1899 *eax = 0x01ff01ff;
1900 *ebx = 0x01ff01ff;
1901 *ecx = 0x40020140;
1902 *edx = 0x40020140;
1903 break;
1904 case 0x80000006:
1905 /* cache info (L2 cache) */
1906 *eax = 0;
1907 *ebx = 0x42004200;
1908 *ecx = 0x02008140;
1909 *edx = 0;
1910 break;
1911 case 0x80000008:
1912 /* virtual & phys address size in low 2 bytes. */
1913/* XXX: This value must match the one used in the MMU code. */
1914 if (env->cpuid_ext2_features & CPUID_EXT2_LM) {
1915 /* 64 bit processor */
1916/* XXX: The physical address space is limited to 42 bits in exec.c. */
1917 *eax = 0x00003028; /* 48 bits virtual, 40 bits physical */
1918 } else {
1919 if (env->cpuid_features & CPUID_PSE36)
1920 *eax = 0x00000024; /* 36 bits physical */
1921 else
1922 *eax = 0x00000020; /* 32 bits physical */
1923 }
1924 *ebx = 0;
1925 *ecx = 0;
1926 *edx = 0;
1927 if (cs->nr_cores * cs->nr_threads > 1) {
1928 *ecx |= (cs->nr_cores * cs->nr_threads) - 1;
1929 }
1930 break;
1931 case 0x8000000A:
1932 if (env->cpuid_ext3_features & CPUID_EXT3_SVM) {
1933 *eax = 0x00000001; /* SVM Revision */
1934 *ebx = 0x00000010; /* nr of ASIDs */
1935 *ecx = 0;
1936 *edx = env->cpuid_svm_features; /* optional features */
1937 } else {
1938 *eax = 0;
1939 *ebx = 0;
1940 *ecx = 0;
1941 *edx = 0;
1942 }
1943 break;
1944 case 0xC0000000:
1945 *eax = env->cpuid_xlevel2;
1946 *ebx = 0;
1947 *ecx = 0;
1948 *edx = 0;
1949 break;
1950 case 0xC0000001:
1951 /* Support for VIA CPU's CPUID instruction */
1952 *eax = env->cpuid_version;
1953 *ebx = 0;
1954 *ecx = 0;
1955 *edx = env->cpuid_ext4_features;
1956 break;
1957 case 0xC0000002:
1958 case 0xC0000003:
1959 case 0xC0000004:
1960 /* Reserved for the future, and now filled with zero */
1961 *eax = 0;
1962 *ebx = 0;
1963 *ecx = 0;
1964 *edx = 0;
1965 break;
1966 default:
1967 /* reserved values: zero */
1968 *eax = 0;
1969 *ebx = 0;
1970 *ecx = 0;
1971 *edx = 0;
1972 break;
1973 }
1974}
1975
1976/* CPUClass::reset() */
1977static void x86_cpu_reset(CPUState *s)
1978{
1979 X86CPU *cpu = X86_CPU(s);
1980 X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
1981 CPUX86State *env = &cpu->env;
1982 int i;
1983
1984 if (qemu_loglevel_mask(CPU_LOG_RESET)) {
1985 qemu_log("CPU Reset (CPU %d)\n", s->cpu_index);
1986 log_cpu_state(env, CPU_DUMP_FPU | CPU_DUMP_CCOP);
1987 }
1988
1989 xcc->parent_reset(s);
1990
1991
1992 memset(env, 0, offsetof(CPUX86State, breakpoints));
1993
1994 tlb_flush(env, 1);
1995
1996 env->old_exception = -1;
1997
1998 /* init to reset state */
1999
2000#ifdef CONFIG_SOFTMMU
2001 env->hflags |= HF_SOFTMMU_MASK;
2002#endif
2003 env->hflags2 |= HF2_GIF_MASK;
2004
2005 cpu_x86_update_cr0(env, 0x60000010);
2006 env->a20_mask = ~0x0;
2007 env->smbase = 0x30000;
2008
2009 env->idt.limit = 0xffff;
2010 env->gdt.limit = 0xffff;
2011 env->ldt.limit = 0xffff;
2012 env->ldt.flags = DESC_P_MASK | (2 << DESC_TYPE_SHIFT);
2013 env->tr.limit = 0xffff;
2014 env->tr.flags = DESC_P_MASK | (11 << DESC_TYPE_SHIFT);
2015
2016 cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff,
2017 DESC_P_MASK | DESC_S_MASK | DESC_CS_MASK |
2018 DESC_R_MASK | DESC_A_MASK);
2019 cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff,
2020 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2021 DESC_A_MASK);
2022 cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff,
2023 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2024 DESC_A_MASK);
2025 cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff,
2026 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2027 DESC_A_MASK);
2028 cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff,
2029 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2030 DESC_A_MASK);
2031 cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff,
2032 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2033 DESC_A_MASK);
2034
2035 env->eip = 0xfff0;
2036 env->regs[R_EDX] = env->cpuid_version;
2037
2038 env->eflags = 0x2;
2039
2040 /* FPU init */
2041 for (i = 0; i < 8; i++) {
2042 env->fptags[i] = 1;
2043 }
2044 env->fpuc = 0x37f;
2045
2046 env->mxcsr = 0x1f80;
2047
2048 env->pat = 0x0007040600070406ULL;
2049 env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT;
2050
2051 memset(env->dr, 0, sizeof(env->dr));
2052 env->dr[6] = DR6_FIXED_1;
2053 env->dr[7] = DR7_FIXED_1;
2054 cpu_breakpoint_remove_all(env, BP_CPU);
2055 cpu_watchpoint_remove_all(env, BP_CPU);
2056
2057#if !defined(CONFIG_USER_ONLY)
2058 /* We hard-wire the BSP to the first CPU. */
2059 if (s->cpu_index == 0) {
2060 apic_designate_bsp(env->apic_state);
2061 }
2062
2063 env->halted = !cpu_is_bsp(cpu);
2064#endif
2065}
2066
2067#ifndef CONFIG_USER_ONLY
2068bool cpu_is_bsp(X86CPU *cpu)
2069{
2070 return cpu_get_apic_base(cpu->env.apic_state) & MSR_IA32_APICBASE_BSP;
2071}
2072
2073/* TODO: remove me, when reset over QOM tree is implemented */
2074static void x86_cpu_machine_reset_cb(void *opaque)
2075{
2076 X86CPU *cpu = opaque;
2077 cpu_reset(CPU(cpu));
2078}
2079#endif
2080
2081static void mce_init(X86CPU *cpu)
2082{
2083 CPUX86State *cenv = &cpu->env;
2084 unsigned int bank;
2085
2086 if (((cenv->cpuid_version >> 8) & 0xf) >= 6
2087 && (cenv->cpuid_features & (CPUID_MCE | CPUID_MCA)) ==
2088 (CPUID_MCE | CPUID_MCA)) {
2089 cenv->mcg_cap = MCE_CAP_DEF | MCE_BANKS_DEF;
2090 cenv->mcg_ctl = ~(uint64_t)0;
2091 for (bank = 0; bank < MCE_BANKS_DEF; bank++) {
2092 cenv->mce_banks[bank * 4] = ~(uint64_t)0;
2093 }
2094 }
2095}
2096
2097#define MSI_ADDR_BASE 0xfee00000
2098
2099#ifndef CONFIG_USER_ONLY
2100static void x86_cpu_apic_init(X86CPU *cpu, Error **errp)
2101{
2102 static int apic_mapped;
2103 CPUX86State *env = &cpu->env;
2104 APICCommonState *apic;
2105 const char *apic_type = "apic";
2106
2107 if (kvm_irqchip_in_kernel()) {
2108 apic_type = "kvm-apic";
2109 } else if (xen_enabled()) {
2110 apic_type = "xen-apic";
2111 }
2112
2113 env->apic_state = qdev_try_create(NULL, apic_type);
2114 if (env->apic_state == NULL) {
2115 error_setg(errp, "APIC device '%s' could not be created", apic_type);
2116 return;
2117 }
2118
2119 object_property_add_child(OBJECT(cpu), "apic",
2120 OBJECT(env->apic_state), NULL);
2121 qdev_prop_set_uint8(env->apic_state, "id", env->cpuid_apic_id);
2122 /* TODO: convert to link<> */
2123 apic = APIC_COMMON(env->apic_state);
2124 apic->cpu = cpu;
2125
2126 if (qdev_init(env->apic_state)) {
2127 error_setg(errp, "APIC device '%s' could not be initialized",
2128 object_get_typename(OBJECT(env->apic_state)));
2129 return;
2130 }
2131
2132 /* XXX: mapping more APICs at the same memory location */
2133 if (apic_mapped == 0) {
2134 /* NOTE: the APIC is directly connected to the CPU - it is not
2135 on the global memory bus. */
2136 /* XXX: what if the base changes? */
2137 sysbus_mmio_map(SYS_BUS_DEVICE(env->apic_state), 0, MSI_ADDR_BASE);
2138 apic_mapped = 1;
2139 }
2140}
2141#endif
2142
2143void x86_cpu_realize(Object *obj, Error **errp)
2144{
2145 X86CPU *cpu = X86_CPU(obj);
2146 CPUX86State *env = &cpu->env;
2147
2148 if (env->cpuid_7_0_ebx_features && env->cpuid_level < 7) {
2149 env->cpuid_level = 7;
2150 }
2151
2152 /* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on
2153 * CPUID[1].EDX.
2154 */
2155 if (env->cpuid_vendor1 == CPUID_VENDOR_AMD_1 &&
2156 env->cpuid_vendor2 == CPUID_VENDOR_AMD_2 &&
2157 env->cpuid_vendor3 == CPUID_VENDOR_AMD_3) {
2158 env->cpuid_ext2_features &= ~CPUID_EXT2_AMD_ALIASES;
2159 env->cpuid_ext2_features |= (env->cpuid_features
2160 & CPUID_EXT2_AMD_ALIASES);
2161 }
2162
2163 if (!kvm_enabled()) {
2164 env->cpuid_features &= TCG_FEATURES;
2165 env->cpuid_ext_features &= TCG_EXT_FEATURES;
2166 env->cpuid_ext2_features &= (TCG_EXT2_FEATURES
2167#ifdef TARGET_X86_64
2168 | CPUID_EXT2_SYSCALL | CPUID_EXT2_LM
2169#endif
2170 );
2171 env->cpuid_ext3_features &= TCG_EXT3_FEATURES;
2172 env->cpuid_svm_features &= TCG_SVM_FEATURES;
2173 } else {
2174#ifdef CONFIG_KVM
2175 filter_features_for_kvm(cpu);
2176#endif
2177 if (check_cpuid && kvm_check_features_against_host(cpu)
2178 && enforce_cpuid) {
2179 error_setg(errp, "Host's CPU doesn't support requested features");
2180 return;
2181 }
2182 }
2183
2184#ifndef CONFIG_USER_ONLY
2185 qemu_register_reset(x86_cpu_machine_reset_cb, cpu);
2186
2187 if (cpu->env.cpuid_features & CPUID_APIC || smp_cpus > 1) {
2188 x86_cpu_apic_init(cpu, errp);
2189 if (error_is_set(errp)) {
2190 return;
2191 }
2192 }
2193#endif
2194
2195 mce_init(cpu);
2196 qemu_init_vcpu(&cpu->env);
2197 cpu_reset(CPU(cpu));
2198}
2199
2200static void x86_cpu_initfn(Object *obj)
2201{
2202 CPUState *cs = CPU(obj);
2203 X86CPU *cpu = X86_CPU(obj);
2204 CPUX86State *env = &cpu->env;
2205 static int inited;
2206
2207 cpu_exec_init(env);
2208
2209 object_property_add(obj, "family", "int",
2210 x86_cpuid_version_get_family,
2211 x86_cpuid_version_set_family, NULL, NULL, NULL);
2212 object_property_add(obj, "model", "int",
2213 x86_cpuid_version_get_model,
2214 x86_cpuid_version_set_model, NULL, NULL, NULL);
2215 object_property_add(obj, "stepping", "int",
2216 x86_cpuid_version_get_stepping,
2217 x86_cpuid_version_set_stepping, NULL, NULL, NULL);
2218 object_property_add(obj, "level", "int",
2219 x86_cpuid_get_level,
2220 x86_cpuid_set_level, NULL, NULL, NULL);
2221 object_property_add(obj, "xlevel", "int",
2222 x86_cpuid_get_xlevel,
2223 x86_cpuid_set_xlevel, NULL, NULL, NULL);
2224 object_property_add_str(obj, "vendor",
2225 x86_cpuid_get_vendor,
2226 x86_cpuid_set_vendor, NULL);
2227 object_property_add_str(obj, "model-id",
2228 x86_cpuid_get_model_id,
2229 x86_cpuid_set_model_id, NULL);
2230 object_property_add(obj, "tsc-frequency", "int",
2231 x86_cpuid_get_tsc_freq,
2232 x86_cpuid_set_tsc_freq, NULL, NULL, NULL);
2233
2234 env->cpuid_apic_id = cs->cpu_index;
2235
2236 /* init various static tables used in TCG mode */
2237 if (tcg_enabled() && !inited) {
2238 inited = 1;
2239 optimize_flags_init();
2240#ifndef CONFIG_USER_ONLY
2241 cpu_set_debug_excp_handler(breakpoint_handler);
2242#endif
2243 }
2244}
2245
2246static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
2247{
2248 X86CPUClass *xcc = X86_CPU_CLASS(oc);
2249 CPUClass *cc = CPU_CLASS(oc);
2250
2251 xcc->parent_reset = cc->reset;
2252 cc->reset = x86_cpu_reset;
2253}
2254
2255static const TypeInfo x86_cpu_type_info = {
2256 .name = TYPE_X86_CPU,
2257 .parent = TYPE_CPU,
2258 .instance_size = sizeof(X86CPU),
2259 .instance_init = x86_cpu_initfn,
2260 .abstract = false,
2261 .class_size = sizeof(X86CPUClass),
2262 .class_init = x86_cpu_common_class_init,
2263};
2264
2265static void x86_cpu_register_types(void)
2266{
2267 type_register_static(&x86_cpu_type_info);
2268}
2269
2270type_init(x86_cpu_register_types)
Qemu copy for testing