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Merge branch 'master' of git://git.qemu.org/qemu into qom-cpu
[mirror_qemu.git] / target-i386 / cpu.c
1 /*
2 * i386 CPUID helper functions
3 *
4 * Copyright (c) 2003 Fabrice Bellard
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18 */
19 #include <stdlib.h>
20 #include <stdio.h>
21 #include <string.h>
22 #include <inttypes.h>
23
24 #include "cpu.h"
25 #include "sysemu/kvm.h"
26
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 */
52 static 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 };
62 static 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 */
77 static 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 };
87 static 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
98 static const char *kvm_feature_name[] = {
99 "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock",
100 "kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", NULL,
101 NULL, NULL, NULL, NULL,
102 NULL, NULL, NULL, NULL,
103 NULL, NULL, NULL, NULL,
104 NULL, NULL, NULL, NULL,
105 NULL, NULL, NULL, NULL,
106 NULL, NULL, NULL, NULL,
107 };
108
109 static const char *svm_feature_name[] = {
110 "npt", "lbrv", "svm_lock", "nrip_save",
111 "tsc_scale", "vmcb_clean", "flushbyasid", "decodeassists",
112 NULL, NULL, "pause_filter", NULL,
113 "pfthreshold", 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
120 static const char *cpuid_7_0_ebx_feature_name[] = {
121 "fsgsbase", NULL, NULL, "bmi1", "hle", "avx2", NULL, "smep",
122 "bmi2", "erms", "invpcid", "rtm", NULL, NULL, NULL, NULL,
123 NULL, NULL, "rdseed", "adx", "smap", NULL, NULL, NULL,
124 NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
125 };
126
127 /* collects per-function cpuid data
128 */
129 typedef struct model_features_t {
130 uint32_t *guest_feat;
131 uint32_t *host_feat;
132 uint32_t check_feat;
133 const char **flag_names;
134 uint32_t cpuid;
135 } model_features_t;
136
137 int check_cpuid = 0;
138 int enforce_cpuid = 0;
139
140 #if defined(CONFIG_KVM)
141 static uint32_t kvm_default_features = (1 << KVM_FEATURE_CLOCKSOURCE) |
142 (1 << KVM_FEATURE_NOP_IO_DELAY) |
143 (1 << KVM_FEATURE_MMU_OP) |
144 (1 << KVM_FEATURE_CLOCKSOURCE2) |
145 (1 << KVM_FEATURE_ASYNC_PF) |
146 (1 << KVM_FEATURE_STEAL_TIME) |
147 (1 << KVM_FEATURE_CLOCKSOURCE_STABLE_BIT);
148 static const uint32_t kvm_pv_eoi_features = (0x1 << KVM_FEATURE_PV_EOI);
149 #else
150 static uint32_t kvm_default_features = 0;
151 static const uint32_t kvm_pv_eoi_features = 0;
152 #endif
153
154 void enable_kvm_pv_eoi(void)
155 {
156 kvm_default_features |= kvm_pv_eoi_features;
157 }
158
159 void host_cpuid(uint32_t function, uint32_t count,
160 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
161 {
162 #if defined(CONFIG_KVM)
163 uint32_t vec[4];
164
165 #ifdef __x86_64__
166 asm volatile("cpuid"
167 : "=a"(vec[0]), "=b"(vec[1]),
168 "=c"(vec[2]), "=d"(vec[3])
169 : "0"(function), "c"(count) : "cc");
170 #else
171 asm volatile("pusha \n\t"
172 "cpuid \n\t"
173 "mov %%eax, 0(%2) \n\t"
174 "mov %%ebx, 4(%2) \n\t"
175 "mov %%ecx, 8(%2) \n\t"
176 "mov %%edx, 12(%2) \n\t"
177 "popa"
178 : : "a"(function), "c"(count), "S"(vec)
179 : "memory", "cc");
180 #endif
181
182 if (eax)
183 *eax = vec[0];
184 if (ebx)
185 *ebx = vec[1];
186 if (ecx)
187 *ecx = vec[2];
188 if (edx)
189 *edx = vec[3];
190 #endif
191 }
192
193 #define iswhite(c) ((c) && ((c) <= ' ' || '~' < (c)))
194
195 /* general substring compare of *[s1..e1) and *[s2..e2). sx is start of
196 * a substring. ex if !NULL points to the first char after a substring,
197 * otherwise the string is assumed to sized by a terminating nul.
198 * Return lexical ordering of *s1:*s2.
199 */
200 static int sstrcmp(const char *s1, const char *e1, const char *s2,
201 const char *e2)
202 {
203 for (;;) {
204 if (!*s1 || !*s2 || *s1 != *s2)
205 return (*s1 - *s2);
206 ++s1, ++s2;
207 if (s1 == e1 && s2 == e2)
208 return (0);
209 else if (s1 == e1)
210 return (*s2);
211 else if (s2 == e2)
212 return (*s1);
213 }
214 }
215
216 /* compare *[s..e) to *altstr. *altstr may be a simple string or multiple
217 * '|' delimited (possibly empty) strings in which case search for a match
218 * within the alternatives proceeds left to right. Return 0 for success,
219 * non-zero otherwise.
220 */
221 static int altcmp(const char *s, const char *e, const char *altstr)
222 {
223 const char *p, *q;
224
225 for (q = p = altstr; ; ) {
226 while (*p && *p != '|')
227 ++p;
228 if ((q == p && !*s) || (q != p && !sstrcmp(s, e, q, p)))
229 return (0);
230 if (!*p)
231 return (1);
232 else
233 q = ++p;
234 }
235 }
236
237 /* search featureset for flag *[s..e), if found set corresponding bit in
238 * *pval and return true, otherwise return false
239 */
240 static bool lookup_feature(uint32_t *pval, const char *s, const char *e,
241 const char **featureset)
242 {
243 uint32_t mask;
244 const char **ppc;
245 bool found = false;
246
247 for (mask = 1, ppc = featureset; mask; mask <<= 1, ++ppc) {
248 if (*ppc && !altcmp(s, e, *ppc)) {
249 *pval |= mask;
250 found = true;
251 }
252 }
253 return found;
254 }
255
256 static void add_flagname_to_bitmaps(const char *flagname, uint32_t *features,
257 uint32_t *ext_features,
258 uint32_t *ext2_features,
259 uint32_t *ext3_features,
260 uint32_t *kvm_features,
261 uint32_t *svm_features,
262 uint32_t *cpuid_7_0_ebx_features)
263 {
264 if (!lookup_feature(features, flagname, NULL, feature_name) &&
265 !lookup_feature(ext_features, flagname, NULL, ext_feature_name) &&
266 !lookup_feature(ext2_features, flagname, NULL, ext2_feature_name) &&
267 !lookup_feature(ext3_features, flagname, NULL, ext3_feature_name) &&
268 !lookup_feature(kvm_features, flagname, NULL, kvm_feature_name) &&
269 !lookup_feature(svm_features, flagname, NULL, svm_feature_name) &&
270 !lookup_feature(cpuid_7_0_ebx_features, flagname, NULL,
271 cpuid_7_0_ebx_feature_name))
272 fprintf(stderr, "CPU feature %s not found\n", flagname);
273 }
274
275 typedef struct x86_def_t {
276 struct x86_def_t *next;
277 const char *name;
278 uint32_t level;
279 uint32_t vendor1, vendor2, vendor3;
280 int family;
281 int model;
282 int stepping;
283 int tsc_khz;
284 uint32_t features, ext_features, ext2_features, ext3_features;
285 uint32_t kvm_features, svm_features;
286 uint32_t xlevel;
287 char model_id[48];
288 int vendor_override;
289 /* Store the results of Centaur's CPUID instructions */
290 uint32_t ext4_features;
291 uint32_t xlevel2;
292 /* The feature bits on CPUID[EAX=7,ECX=0].EBX */
293 uint32_t cpuid_7_0_ebx_features;
294 } x86_def_t;
295
296 #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
297 #define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
298 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
299 #define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
300 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
301 CPUID_PSE36 | CPUID_FXSR)
302 #define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
303 #define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
304 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
305 CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
306 CPUID_PAE | CPUID_SEP | CPUID_APIC)
307
308 #define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
309 CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
310 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
311 CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
312 CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS)
313 /* partly implemented:
314 CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64)
315 CPUID_PSE36 (needed for Solaris) */
316 /* missing:
317 CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
318 #define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | \
319 CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT | \
320 CPUID_EXT_HYPERVISOR)
321 /* missing:
322 CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_EST,
323 CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_XSAVE */
324 #define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
325 CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
326 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT)
327 /* missing:
328 CPUID_EXT2_PDPE1GB */
329 #define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
330 CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
331 #define TCG_SVM_FEATURES 0
332 #define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP)
333
334 /* maintains list of cpu model definitions
335 */
336 static x86_def_t *x86_defs = {NULL};
337
338 /* built-in cpu model definitions (deprecated)
339 */
340 static x86_def_t builtin_x86_defs[] = {
341 {
342 .name = "qemu64",
343 .level = 4,
344 .vendor1 = CPUID_VENDOR_AMD_1,
345 .vendor2 = CPUID_VENDOR_AMD_2,
346 .vendor3 = CPUID_VENDOR_AMD_3,
347 .family = 6,
348 .model = 2,
349 .stepping = 3,
350 .features = PPRO_FEATURES |
351 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
352 CPUID_PSE36,
353 .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_CX16 | CPUID_EXT_POPCNT,
354 .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
355 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
356 .ext3_features = CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
357 CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
358 .xlevel = 0x8000000A,
359 },
360 {
361 .name = "phenom",
362 .level = 5,
363 .vendor1 = CPUID_VENDOR_AMD_1,
364 .vendor2 = CPUID_VENDOR_AMD_2,
365 .vendor3 = CPUID_VENDOR_AMD_3,
366 .family = 16,
367 .model = 2,
368 .stepping = 3,
369 .features = PPRO_FEATURES |
370 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
371 CPUID_PSE36 | CPUID_VME | CPUID_HT,
372 .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 |
373 CPUID_EXT_POPCNT,
374 .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
375 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX |
376 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT |
377 CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP,
378 /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
379 CPUID_EXT3_CR8LEG,
380 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
381 CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
382 .ext3_features = CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
383 CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
384 .svm_features = CPUID_SVM_NPT | CPUID_SVM_LBRV,
385 .xlevel = 0x8000001A,
386 .model_id = "AMD Phenom(tm) 9550 Quad-Core Processor"
387 },
388 {
389 .name = "core2duo",
390 .level = 10,
391 .family = 6,
392 .model = 15,
393 .stepping = 11,
394 .features = PPRO_FEATURES |
395 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
396 CPUID_PSE36 | CPUID_VME | CPUID_DTS | CPUID_ACPI | CPUID_SS |
397 CPUID_HT | CPUID_TM | CPUID_PBE,
398 .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
399 CPUID_EXT_DTES64 | CPUID_EXT_DSCPL | CPUID_EXT_VMX | CPUID_EXT_EST |
400 CPUID_EXT_TM2 | CPUID_EXT_CX16 | CPUID_EXT_XTPR | CPUID_EXT_PDCM,
401 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
402 .ext3_features = CPUID_EXT3_LAHF_LM,
403 .xlevel = 0x80000008,
404 .model_id = "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz",
405 },
406 {
407 .name = "kvm64",
408 .level = 5,
409 .vendor1 = CPUID_VENDOR_INTEL_1,
410 .vendor2 = CPUID_VENDOR_INTEL_2,
411 .vendor3 = CPUID_VENDOR_INTEL_3,
412 .family = 15,
413 .model = 6,
414 .stepping = 1,
415 /* Missing: CPUID_VME, CPUID_HT */
416 .features = PPRO_FEATURES |
417 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
418 CPUID_PSE36,
419 /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
420 .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_CX16,
421 /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
422 .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
423 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
424 /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
425 CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
426 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
427 CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
428 .ext3_features = 0,
429 .xlevel = 0x80000008,
430 .model_id = "Common KVM processor"
431 },
432 {
433 .name = "qemu32",
434 .level = 4,
435 .family = 6,
436 .model = 3,
437 .stepping = 3,
438 .features = PPRO_FEATURES,
439 .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_POPCNT,
440 .xlevel = 0x80000004,
441 },
442 {
443 .name = "kvm32",
444 .level = 5,
445 .family = 15,
446 .model = 6,
447 .stepping = 1,
448 .features = PPRO_FEATURES |
449 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36,
450 .ext_features = CPUID_EXT_SSE3,
451 .ext2_features = PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES,
452 .ext3_features = 0,
453 .xlevel = 0x80000008,
454 .model_id = "Common 32-bit KVM processor"
455 },
456 {
457 .name = "coreduo",
458 .level = 10,
459 .family = 6,
460 .model = 14,
461 .stepping = 8,
462 .features = PPRO_FEATURES | CPUID_VME |
463 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_DTS | CPUID_ACPI |
464 CPUID_SS | CPUID_HT | CPUID_TM | CPUID_PBE,
465 .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_VMX |
466 CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR | CPUID_EXT_PDCM,
467 .ext2_features = CPUID_EXT2_NX,
468 .xlevel = 0x80000008,
469 .model_id = "Genuine Intel(R) CPU T2600 @ 2.16GHz",
470 },
471 {
472 .name = "486",
473 .level = 1,
474 .family = 4,
475 .model = 0,
476 .stepping = 0,
477 .features = I486_FEATURES,
478 .xlevel = 0,
479 },
480 {
481 .name = "pentium",
482 .level = 1,
483 .family = 5,
484 .model = 4,
485 .stepping = 3,
486 .features = PENTIUM_FEATURES,
487 .xlevel = 0,
488 },
489 {
490 .name = "pentium2",
491 .level = 2,
492 .family = 6,
493 .model = 5,
494 .stepping = 2,
495 .features = PENTIUM2_FEATURES,
496 .xlevel = 0,
497 },
498 {
499 .name = "pentium3",
500 .level = 2,
501 .family = 6,
502 .model = 7,
503 .stepping = 3,
504 .features = PENTIUM3_FEATURES,
505 .xlevel = 0,
506 },
507 {
508 .name = "athlon",
509 .level = 2,
510 .vendor1 = CPUID_VENDOR_AMD_1,
511 .vendor2 = CPUID_VENDOR_AMD_2,
512 .vendor3 = CPUID_VENDOR_AMD_3,
513 .family = 6,
514 .model = 2,
515 .stepping = 3,
516 .features = PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR |
517 CPUID_MCA,
518 .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
519 CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT,
520 .xlevel = 0x80000008,
521 },
522 {
523 .name = "n270",
524 /* original is on level 10 */
525 .level = 5,
526 .family = 6,
527 .model = 28,
528 .stepping = 2,
529 .features = PPRO_FEATURES |
530 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME | CPUID_DTS |
531 CPUID_ACPI | CPUID_SS | CPUID_HT | CPUID_TM | CPUID_PBE,
532 /* Some CPUs got no CPUID_SEP */
533 .ext_features = CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
534 CPUID_EXT_DSCPL | CPUID_EXT_EST | CPUID_EXT_TM2 | CPUID_EXT_XTPR,
535 .ext2_features = (PPRO_FEATURES & CPUID_EXT2_AMD_ALIASES) |
536 CPUID_EXT2_NX,
537 .ext3_features = CPUID_EXT3_LAHF_LM,
538 .xlevel = 0x8000000A,
539 .model_id = "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
540 },
541 {
542 .name = "Conroe",
543 .level = 2,
544 .vendor1 = CPUID_VENDOR_INTEL_1,
545 .vendor2 = CPUID_VENDOR_INTEL_2,
546 .vendor3 = CPUID_VENDOR_INTEL_3,
547 .family = 6,
548 .model = 2,
549 .stepping = 3,
550 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
551 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
552 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
553 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
554 CPUID_DE | CPUID_FP87,
555 .ext_features = CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
556 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
557 .ext3_features = CPUID_EXT3_LAHF_LM,
558 .xlevel = 0x8000000A,
559 .model_id = "Intel Celeron_4x0 (Conroe/Merom Class Core 2)",
560 },
561 {
562 .name = "Penryn",
563 .level = 2,
564 .vendor1 = CPUID_VENDOR_INTEL_1,
565 .vendor2 = CPUID_VENDOR_INTEL_2,
566 .vendor3 = CPUID_VENDOR_INTEL_3,
567 .family = 6,
568 .model = 2,
569 .stepping = 3,
570 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
571 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
572 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
573 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
574 CPUID_DE | CPUID_FP87,
575 .ext_features = CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
576 CPUID_EXT_SSE3,
577 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
578 .ext3_features = CPUID_EXT3_LAHF_LM,
579 .xlevel = 0x8000000A,
580 .model_id = "Intel Core 2 Duo P9xxx (Penryn Class Core 2)",
581 },
582 {
583 .name = "Nehalem",
584 .level = 2,
585 .vendor1 = CPUID_VENDOR_INTEL_1,
586 .vendor2 = CPUID_VENDOR_INTEL_2,
587 .vendor3 = CPUID_VENDOR_INTEL_3,
588 .family = 6,
589 .model = 2,
590 .stepping = 3,
591 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
592 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
593 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
594 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
595 CPUID_DE | CPUID_FP87,
596 .ext_features = CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
597 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
598 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
599 .ext3_features = CPUID_EXT3_LAHF_LM,
600 .xlevel = 0x8000000A,
601 .model_id = "Intel Core i7 9xx (Nehalem Class Core i7)",
602 },
603 {
604 .name = "Westmere",
605 .level = 11,
606 .vendor1 = CPUID_VENDOR_INTEL_1,
607 .vendor2 = CPUID_VENDOR_INTEL_2,
608 .vendor3 = CPUID_VENDOR_INTEL_3,
609 .family = 6,
610 .model = 44,
611 .stepping = 1,
612 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
613 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
614 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
615 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
616 CPUID_DE | CPUID_FP87,
617 .ext_features = CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
618 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
619 CPUID_EXT_SSE3,
620 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
621 .ext3_features = CPUID_EXT3_LAHF_LM,
622 .xlevel = 0x8000000A,
623 .model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
624 },
625 {
626 .name = "SandyBridge",
627 .level = 0xd,
628 .vendor1 = CPUID_VENDOR_INTEL_1,
629 .vendor2 = CPUID_VENDOR_INTEL_2,
630 .vendor3 = CPUID_VENDOR_INTEL_3,
631 .family = 6,
632 .model = 42,
633 .stepping = 1,
634 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
635 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
636 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
637 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
638 CPUID_DE | CPUID_FP87,
639 .ext_features = CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
640 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
641 CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
642 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
643 CPUID_EXT_SSE3,
644 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
645 CPUID_EXT2_SYSCALL,
646 .ext3_features = CPUID_EXT3_LAHF_LM,
647 .xlevel = 0x8000000A,
648 .model_id = "Intel Xeon E312xx (Sandy Bridge)",
649 },
650 {
651 .name = "Haswell",
652 .level = 0xd,
653 .vendor1 = CPUID_VENDOR_INTEL_1,
654 .vendor2 = CPUID_VENDOR_INTEL_2,
655 .vendor3 = CPUID_VENDOR_INTEL_3,
656 .family = 6,
657 .model = 60,
658 .stepping = 1,
659 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
660 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
661 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
662 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
663 CPUID_DE | CPUID_FP87,
664 .ext_features = CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
665 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
666 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
667 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
668 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
669 CPUID_EXT_PCID,
670 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
671 CPUID_EXT2_SYSCALL,
672 .ext3_features = CPUID_EXT3_LAHF_LM,
673 .cpuid_7_0_ebx_features = CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
674 CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
675 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
676 CPUID_7_0_EBX_RTM,
677 .xlevel = 0x8000000A,
678 .model_id = "Intel Core Processor (Haswell)",
679 },
680 {
681 .name = "Opteron_G1",
682 .level = 5,
683 .vendor1 = CPUID_VENDOR_AMD_1,
684 .vendor2 = CPUID_VENDOR_AMD_2,
685 .vendor3 = CPUID_VENDOR_AMD_3,
686 .family = 15,
687 .model = 6,
688 .stepping = 1,
689 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
690 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
691 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
692 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
693 CPUID_DE | CPUID_FP87,
694 .ext_features = CPUID_EXT_SSE3,
695 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
696 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
697 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
698 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
699 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
700 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
701 .xlevel = 0x80000008,
702 .model_id = "AMD Opteron 240 (Gen 1 Class Opteron)",
703 },
704 {
705 .name = "Opteron_G2",
706 .level = 5,
707 .vendor1 = CPUID_VENDOR_AMD_1,
708 .vendor2 = CPUID_VENDOR_AMD_2,
709 .vendor3 = CPUID_VENDOR_AMD_3,
710 .family = 15,
711 .model = 6,
712 .stepping = 1,
713 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
714 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
715 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
716 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
717 CPUID_DE | CPUID_FP87,
718 .ext_features = CPUID_EXT_CX16 | CPUID_EXT_SSE3,
719 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_FXSR |
720 CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
721 CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
722 CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
723 CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
724 CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
725 CPUID_EXT2_DE | CPUID_EXT2_FPU,
726 .ext3_features = CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
727 .xlevel = 0x80000008,
728 .model_id = "AMD Opteron 22xx (Gen 2 Class Opteron)",
729 },
730 {
731 .name = "Opteron_G3",
732 .level = 5,
733 .vendor1 = CPUID_VENDOR_AMD_1,
734 .vendor2 = CPUID_VENDOR_AMD_2,
735 .vendor3 = CPUID_VENDOR_AMD_3,
736 .family = 15,
737 .model = 6,
738 .stepping = 1,
739 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
740 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
741 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
742 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
743 CPUID_DE | CPUID_FP87,
744 .ext_features = CPUID_EXT_POPCNT | CPUID_EXT_CX16 | CPUID_EXT_MONITOR |
745 CPUID_EXT_SSE3,
746 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_FXSR |
747 CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
748 CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
749 CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
750 CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
751 CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
752 CPUID_EXT2_DE | CPUID_EXT2_FPU,
753 .ext3_features = CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A |
754 CPUID_EXT3_ABM | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
755 .xlevel = 0x80000008,
756 .model_id = "AMD Opteron 23xx (Gen 3 Class Opteron)",
757 },
758 {
759 .name = "Opteron_G4",
760 .level = 0xd,
761 .vendor1 = CPUID_VENDOR_AMD_1,
762 .vendor2 = CPUID_VENDOR_AMD_2,
763 .vendor3 = CPUID_VENDOR_AMD_3,
764 .family = 21,
765 .model = 1,
766 .stepping = 2,
767 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
768 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
769 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
770 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
771 CPUID_DE | CPUID_FP87,
772 .ext_features = CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
773 CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
774 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
775 CPUID_EXT_SSE3,
776 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP |
777 CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
778 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
779 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
780 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
781 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
782 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
783 .ext3_features = CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
784 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
785 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
786 CPUID_EXT3_LAHF_LM,
787 .xlevel = 0x8000001A,
788 .model_id = "AMD Opteron 62xx class CPU",
789 },
790 {
791 .name = "Opteron_G5",
792 .level = 0xd,
793 .vendor1 = CPUID_VENDOR_AMD_1,
794 .vendor2 = CPUID_VENDOR_AMD_2,
795 .vendor3 = CPUID_VENDOR_AMD_3,
796 .family = 21,
797 .model = 2,
798 .stepping = 0,
799 .features = CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
800 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
801 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
802 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
803 CPUID_DE | CPUID_FP87,
804 .ext_features = CPUID_EXT_F16C | CPUID_EXT_AVX | CPUID_EXT_XSAVE |
805 CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
806 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_FMA |
807 CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
808 .ext2_features = CPUID_EXT2_LM | CPUID_EXT2_RDTSCP |
809 CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
810 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
811 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
812 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
813 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
814 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
815 .ext3_features = CPUID_EXT3_TBM | CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
816 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
817 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
818 CPUID_EXT3_LAHF_LM,
819 .xlevel = 0x8000001A,
820 .model_id = "AMD Opteron 63xx class CPU",
821 },
822 };
823
824 #ifdef CONFIG_KVM
825 static int cpu_x86_fill_model_id(char *str)
826 {
827 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
828 int i;
829
830 for (i = 0; i < 3; i++) {
831 host_cpuid(0x80000002 + i, 0, &eax, &ebx, &ecx, &edx);
832 memcpy(str + i * 16 + 0, &eax, 4);
833 memcpy(str + i * 16 + 4, &ebx, 4);
834 memcpy(str + i * 16 + 8, &ecx, 4);
835 memcpy(str + i * 16 + 12, &edx, 4);
836 }
837 return 0;
838 }
839 #endif
840
841 /* Fill a x86_def_t struct with information about the host CPU, and
842 * the CPU features supported by the host hardware + host kernel
843 *
844 * This function may be called only if KVM is enabled.
845 */
846 static void kvm_cpu_fill_host(x86_def_t *x86_cpu_def)
847 {
848 #ifdef CONFIG_KVM
849 KVMState *s = kvm_state;
850 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
851
852 assert(kvm_enabled());
853
854 x86_cpu_def->name = "host";
855 host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);
856 x86_cpu_def->vendor1 = ebx;
857 x86_cpu_def->vendor2 = edx;
858 x86_cpu_def->vendor3 = ecx;
859
860 host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx);
861 x86_cpu_def->family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF);
862 x86_cpu_def->model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12);
863 x86_cpu_def->stepping = eax & 0x0F;
864
865 x86_cpu_def->level = kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX);
866 x86_cpu_def->features = kvm_arch_get_supported_cpuid(s, 0x1, 0, R_EDX);
867 x86_cpu_def->ext_features = kvm_arch_get_supported_cpuid(s, 0x1, 0, R_ECX);
868
869 if (x86_cpu_def->level >= 7) {
870 x86_cpu_def->cpuid_7_0_ebx_features =
871 kvm_arch_get_supported_cpuid(s, 0x7, 0, R_EBX);
872 } else {
873 x86_cpu_def->cpuid_7_0_ebx_features = 0;
874 }
875
876 x86_cpu_def->xlevel = kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX);
877 x86_cpu_def->ext2_features =
878 kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_EDX);
879 x86_cpu_def->ext3_features =
880 kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_ECX);
881
882 cpu_x86_fill_model_id(x86_cpu_def->model_id);
883 x86_cpu_def->vendor_override = 0;
884
885 /* Call Centaur's CPUID instruction. */
886 if (x86_cpu_def->vendor1 == CPUID_VENDOR_VIA_1 &&
887 x86_cpu_def->vendor2 == CPUID_VENDOR_VIA_2 &&
888 x86_cpu_def->vendor3 == CPUID_VENDOR_VIA_3) {
889 host_cpuid(0xC0000000, 0, &eax, &ebx, &ecx, &edx);
890 eax = kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX);
891 if (eax >= 0xC0000001) {
892 /* Support VIA max extended level */
893 x86_cpu_def->xlevel2 = eax;
894 host_cpuid(0xC0000001, 0, &eax, &ebx, &ecx, &edx);
895 x86_cpu_def->ext4_features =
896 kvm_arch_get_supported_cpuid(s, 0xC0000001, 0, R_EDX);
897 }
898 }
899
900 /*
901 * Every SVM feature requires emulation support in KVM - so we can't just
902 * read the host features here. KVM might even support SVM features not
903 * available on the host hardware. Just set all bits and mask out the
904 * unsupported ones later.
905 */
906 x86_cpu_def->svm_features = -1;
907 #endif /* CONFIG_KVM */
908 }
909
910 static int unavailable_host_feature(struct model_features_t *f, uint32_t mask)
911 {
912 int i;
913
914 for (i = 0; i < 32; ++i)
915 if (1 << i & mask) {
916 fprintf(stderr, "warning: host cpuid %04x_%04x lacks requested"
917 " flag '%s' [0x%08x]\n",
918 f->cpuid >> 16, f->cpuid & 0xffff,
919 f->flag_names[i] ? f->flag_names[i] : "[reserved]", mask);
920 break;
921 }
922 return 0;
923 }
924
925 /* best effort attempt to inform user requested cpu flags aren't making
926 * their way to the guest. Note: ft[].check_feat ideally should be
927 * specified via a guest_def field to suppress report of extraneous flags.
928 *
929 * This function may be called only if KVM is enabled.
930 */
931 static int kvm_check_features_against_host(x86_def_t *guest_def)
932 {
933 x86_def_t host_def;
934 uint32_t mask;
935 int rv, i;
936 struct model_features_t ft[] = {
937 {&guest_def->features, &host_def.features,
938 ~0, feature_name, 0x00000000},
939 {&guest_def->ext_features, &host_def.ext_features,
940 ~CPUID_EXT_HYPERVISOR, ext_feature_name, 0x00000001},
941 {&guest_def->ext2_features, &host_def.ext2_features,
942 ~PPRO_FEATURES, ext2_feature_name, 0x80000000},
943 {&guest_def->ext3_features, &host_def.ext3_features,
944 ~CPUID_EXT3_SVM, ext3_feature_name, 0x80000001}};
945
946 assert(kvm_enabled());
947
948 kvm_cpu_fill_host(&host_def);
949 for (rv = 0, i = 0; i < ARRAY_SIZE(ft); ++i)
950 for (mask = 1; mask; mask <<= 1)
951 if (ft[i].check_feat & mask && *ft[i].guest_feat & mask &&
952 !(*ft[i].host_feat & mask)) {
953 unavailable_host_feature(&ft[i], mask);
954 rv = 1;
955 }
956 return rv;
957 }
958
959 static void x86_cpuid_version_get_family(Object *obj, Visitor *v, void *opaque,
960 const char *name, Error **errp)
961 {
962 X86CPU *cpu = X86_CPU(obj);
963 CPUX86State *env = &cpu->env;
964 int64_t value;
965
966 value = (env->cpuid_version >> 8) & 0xf;
967 if (value == 0xf) {
968 value += (env->cpuid_version >> 20) & 0xff;
969 }
970 visit_type_int(v, &value, name, errp);
971 }
972
973 static void x86_cpuid_version_set_family(Object *obj, Visitor *v, void *opaque,
974 const char *name, Error **errp)
975 {
976 X86CPU *cpu = X86_CPU(obj);
977 CPUX86State *env = &cpu->env;
978 const int64_t min = 0;
979 const int64_t max = 0xff + 0xf;
980 int64_t value;
981
982 visit_type_int(v, &value, name, errp);
983 if (error_is_set(errp)) {
984 return;
985 }
986 if (value < min || value > max) {
987 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
988 name ? name : "null", value, min, max);
989 return;
990 }
991
992 env->cpuid_version &= ~0xff00f00;
993 if (value > 0x0f) {
994 env->cpuid_version |= 0xf00 | ((value - 0x0f) << 20);
995 } else {
996 env->cpuid_version |= value << 8;
997 }
998 }
999
1000 static void x86_cpuid_version_get_model(Object *obj, Visitor *v, void *opaque,
1001 const char *name, Error **errp)
1002 {
1003 X86CPU *cpu = X86_CPU(obj);
1004 CPUX86State *env = &cpu->env;
1005 int64_t value;
1006
1007 value = (env->cpuid_version >> 4) & 0xf;
1008 value |= ((env->cpuid_version >> 16) & 0xf) << 4;
1009 visit_type_int(v, &value, name, errp);
1010 }
1011
1012 static void x86_cpuid_version_set_model(Object *obj, Visitor *v, void *opaque,
1013 const char *name, Error **errp)
1014 {
1015 X86CPU *cpu = X86_CPU(obj);
1016 CPUX86State *env = &cpu->env;
1017 const int64_t min = 0;
1018 const int64_t max = 0xff;
1019 int64_t value;
1020
1021 visit_type_int(v, &value, name, errp);
1022 if (error_is_set(errp)) {
1023 return;
1024 }
1025 if (value < min || value > max) {
1026 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1027 name ? name : "null", value, min, max);
1028 return;
1029 }
1030
1031 env->cpuid_version &= ~0xf00f0;
1032 env->cpuid_version |= ((value & 0xf) << 4) | ((value >> 4) << 16);
1033 }
1034
1035 static void x86_cpuid_version_get_stepping(Object *obj, Visitor *v,
1036 void *opaque, const char *name,
1037 Error **errp)
1038 {
1039 X86CPU *cpu = X86_CPU(obj);
1040 CPUX86State *env = &cpu->env;
1041 int64_t value;
1042
1043 value = env->cpuid_version & 0xf;
1044 visit_type_int(v, &value, name, errp);
1045 }
1046
1047 static void x86_cpuid_version_set_stepping(Object *obj, Visitor *v,
1048 void *opaque, const char *name,
1049 Error **errp)
1050 {
1051 X86CPU *cpu = X86_CPU(obj);
1052 CPUX86State *env = &cpu->env;
1053 const int64_t min = 0;
1054 const int64_t max = 0xf;
1055 int64_t value;
1056
1057 visit_type_int(v, &value, name, errp);
1058 if (error_is_set(errp)) {
1059 return;
1060 }
1061 if (value < min || value > max) {
1062 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1063 name ? name : "null", value, min, max);
1064 return;
1065 }
1066
1067 env->cpuid_version &= ~0xf;
1068 env->cpuid_version |= value & 0xf;
1069 }
1070
1071 static void x86_cpuid_get_level(Object *obj, Visitor *v, void *opaque,
1072 const char *name, Error **errp)
1073 {
1074 X86CPU *cpu = X86_CPU(obj);
1075
1076 visit_type_uint32(v, &cpu->env.cpuid_level, name, errp);
1077 }
1078
1079 static void x86_cpuid_set_level(Object *obj, Visitor *v, void *opaque,
1080 const char *name, Error **errp)
1081 {
1082 X86CPU *cpu = X86_CPU(obj);
1083
1084 visit_type_uint32(v, &cpu->env.cpuid_level, name, errp);
1085 }
1086
1087 static void x86_cpuid_get_xlevel(Object *obj, Visitor *v, void *opaque,
1088 const char *name, Error **errp)
1089 {
1090 X86CPU *cpu = X86_CPU(obj);
1091
1092 visit_type_uint32(v, &cpu->env.cpuid_xlevel, name, errp);
1093 }
1094
1095 static void x86_cpuid_set_xlevel(Object *obj, Visitor *v, void *opaque,
1096 const char *name, Error **errp)
1097 {
1098 X86CPU *cpu = X86_CPU(obj);
1099
1100 visit_type_uint32(v, &cpu->env.cpuid_xlevel, name, errp);
1101 }
1102
1103 static char *x86_cpuid_get_vendor(Object *obj, Error **errp)
1104 {
1105 X86CPU *cpu = X86_CPU(obj);
1106 CPUX86State *env = &cpu->env;
1107 char *value;
1108 int i;
1109
1110 value = (char *)g_malloc(CPUID_VENDOR_SZ + 1);
1111 for (i = 0; i < 4; i++) {
1112 value[i ] = env->cpuid_vendor1 >> (8 * i);
1113 value[i + 4] = env->cpuid_vendor2 >> (8 * i);
1114 value[i + 8] = env->cpuid_vendor3 >> (8 * i);
1115 }
1116 value[CPUID_VENDOR_SZ] = '\0';
1117 return value;
1118 }
1119
1120 static void x86_cpuid_set_vendor(Object *obj, const char *value,
1121 Error **errp)
1122 {
1123 X86CPU *cpu = X86_CPU(obj);
1124 CPUX86State *env = &cpu->env;
1125 int i;
1126
1127 if (strlen(value) != CPUID_VENDOR_SZ) {
1128 error_set(errp, QERR_PROPERTY_VALUE_BAD, "",
1129 "vendor", value);
1130 return;
1131 }
1132
1133 env->cpuid_vendor1 = 0;
1134 env->cpuid_vendor2 = 0;
1135 env->cpuid_vendor3 = 0;
1136 for (i = 0; i < 4; i++) {
1137 env->cpuid_vendor1 |= ((uint8_t)value[i ]) << (8 * i);
1138 env->cpuid_vendor2 |= ((uint8_t)value[i + 4]) << (8 * i);
1139 env->cpuid_vendor3 |= ((uint8_t)value[i + 8]) << (8 * i);
1140 }
1141 env->cpuid_vendor_override = 1;
1142 }
1143
1144 static char *x86_cpuid_get_model_id(Object *obj, Error **errp)
1145 {
1146 X86CPU *cpu = X86_CPU(obj);
1147 CPUX86State *env = &cpu->env;
1148 char *value;
1149 int i;
1150
1151 value = g_malloc(48 + 1);
1152 for (i = 0; i < 48; i++) {
1153 value[i] = env->cpuid_model[i >> 2] >> (8 * (i & 3));
1154 }
1155 value[48] = '\0';
1156 return value;
1157 }
1158
1159 static void x86_cpuid_set_model_id(Object *obj, const char *model_id,
1160 Error **errp)
1161 {
1162 X86CPU *cpu = X86_CPU(obj);
1163 CPUX86State *env = &cpu->env;
1164 int c, len, i;
1165
1166 if (model_id == NULL) {
1167 model_id = "";
1168 }
1169 len = strlen(model_id);
1170 memset(env->cpuid_model, 0, 48);
1171 for (i = 0; i < 48; i++) {
1172 if (i >= len) {
1173 c = '\0';
1174 } else {
1175 c = (uint8_t)model_id[i];
1176 }
1177 env->cpuid_model[i >> 2] |= c << (8 * (i & 3));
1178 }
1179 }
1180
1181 static void x86_cpuid_get_tsc_freq(Object *obj, Visitor *v, void *opaque,
1182 const char *name, Error **errp)
1183 {
1184 X86CPU *cpu = X86_CPU(obj);
1185 int64_t value;
1186
1187 value = cpu->env.tsc_khz * 1000;
1188 visit_type_int(v, &value, name, errp);
1189 }
1190
1191 static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, void *opaque,
1192 const char *name, Error **errp)
1193 {
1194 X86CPU *cpu = X86_CPU(obj);
1195 const int64_t min = 0;
1196 const int64_t max = INT64_MAX;
1197 int64_t value;
1198
1199 visit_type_int(v, &value, name, errp);
1200 if (error_is_set(errp)) {
1201 return;
1202 }
1203 if (value < min || value > max) {
1204 error_set(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1205 name ? name : "null", value, min, max);
1206 return;
1207 }
1208
1209 cpu->env.tsc_khz = value / 1000;
1210 }
1211
1212 static int cpu_x86_find_by_name(x86_def_t *x86_cpu_def, const char *name)
1213 {
1214 x86_def_t *def;
1215
1216 for (def = x86_defs; def; def = def->next) {
1217 if (name && !strcmp(name, def->name)) {
1218 break;
1219 }
1220 }
1221 if (kvm_enabled() && name && strcmp(name, "host") == 0) {
1222 kvm_cpu_fill_host(x86_cpu_def);
1223 } else if (!def) {
1224 return -1;
1225 } else {
1226 memcpy(x86_cpu_def, def, sizeof(*def));
1227 }
1228
1229 return 0;
1230 }
1231
1232 /* Parse "+feature,-feature,feature=foo" CPU feature string
1233 */
1234 static int cpu_x86_parse_featurestr(x86_def_t *x86_cpu_def, char *features)
1235 {
1236 unsigned int i;
1237 char *featurestr; /* Single 'key=value" string being parsed */
1238 /* Features to be added */
1239 uint32_t plus_features = 0, plus_ext_features = 0;
1240 uint32_t plus_ext2_features = 0, plus_ext3_features = 0;
1241 uint32_t plus_kvm_features = kvm_default_features, plus_svm_features = 0;
1242 uint32_t plus_7_0_ebx_features = 0;
1243 /* Features to be removed */
1244 uint32_t minus_features = 0, minus_ext_features = 0;
1245 uint32_t minus_ext2_features = 0, minus_ext3_features = 0;
1246 uint32_t minus_kvm_features = 0, minus_svm_features = 0;
1247 uint32_t minus_7_0_ebx_features = 0;
1248 uint32_t numvalue;
1249
1250 add_flagname_to_bitmaps("hypervisor", &plus_features,
1251 &plus_ext_features, &plus_ext2_features, &plus_ext3_features,
1252 &plus_kvm_features, &plus_svm_features, &plus_7_0_ebx_features);
1253
1254 featurestr = features ? strtok(features, ",") : NULL;
1255
1256 while (featurestr) {
1257 char *val;
1258 if (featurestr[0] == '+') {
1259 add_flagname_to_bitmaps(featurestr + 1, &plus_features,
1260 &plus_ext_features, &plus_ext2_features,
1261 &plus_ext3_features, &plus_kvm_features,
1262 &plus_svm_features, &plus_7_0_ebx_features);
1263 } else if (featurestr[0] == '-') {
1264 add_flagname_to_bitmaps(featurestr + 1, &minus_features,
1265 &minus_ext_features, &minus_ext2_features,
1266 &minus_ext3_features, &minus_kvm_features,
1267 &minus_svm_features, &minus_7_0_ebx_features);
1268 } else if ((val = strchr(featurestr, '='))) {
1269 *val = 0; val++;
1270 if (!strcmp(featurestr, "family")) {
1271 char *err;
1272 numvalue = strtoul(val, &err, 0);
1273 if (!*val || *err || numvalue > 0xff + 0xf) {
1274 fprintf(stderr, "bad numerical value %s\n", val);
1275 goto error;
1276 }
1277 x86_cpu_def->family = numvalue;
1278 } else if (!strcmp(featurestr, "model")) {
1279 char *err;
1280 numvalue = strtoul(val, &err, 0);
1281 if (!*val || *err || numvalue > 0xff) {
1282 fprintf(stderr, "bad numerical value %s\n", val);
1283 goto error;
1284 }
1285 x86_cpu_def->model = numvalue;
1286 } else if (!strcmp(featurestr, "stepping")) {
1287 char *err;
1288 numvalue = strtoul(val, &err, 0);
1289 if (!*val || *err || numvalue > 0xf) {
1290 fprintf(stderr, "bad numerical value %s\n", val);
1291 goto error;
1292 }
1293 x86_cpu_def->stepping = numvalue ;
1294 } else if (!strcmp(featurestr, "level")) {
1295 char *err;
1296 numvalue = strtoul(val, &err, 0);
1297 if (!*val || *err) {
1298 fprintf(stderr, "bad numerical value %s\n", val);
1299 goto error;
1300 }
1301 x86_cpu_def->level = numvalue;
1302 } else if (!strcmp(featurestr, "xlevel")) {
1303 char *err;
1304 numvalue = strtoul(val, &err, 0);
1305 if (!*val || *err) {
1306 fprintf(stderr, "bad numerical value %s\n", val);
1307 goto error;
1308 }
1309 if (numvalue < 0x80000000) {
1310 numvalue += 0x80000000;
1311 }
1312 x86_cpu_def->xlevel = numvalue;
1313 } else if (!strcmp(featurestr, "vendor")) {
1314 if (strlen(val) != 12) {
1315 fprintf(stderr, "vendor string must be 12 chars long\n");
1316 goto error;
1317 }
1318 x86_cpu_def->vendor1 = 0;
1319 x86_cpu_def->vendor2 = 0;
1320 x86_cpu_def->vendor3 = 0;
1321 for(i = 0; i < 4; i++) {
1322 x86_cpu_def->vendor1 |= ((uint8_t)val[i ]) << (8 * i);
1323 x86_cpu_def->vendor2 |= ((uint8_t)val[i + 4]) << (8 * i);
1324 x86_cpu_def->vendor3 |= ((uint8_t)val[i + 8]) << (8 * i);
1325 }
1326 x86_cpu_def->vendor_override = 1;
1327 } else if (!strcmp(featurestr, "model_id")) {
1328 pstrcpy(x86_cpu_def->model_id, sizeof(x86_cpu_def->model_id),
1329 val);
1330 } else if (!strcmp(featurestr, "tsc_freq")) {
1331 int64_t tsc_freq;
1332 char *err;
1333
1334 tsc_freq = strtosz_suffix_unit(val, &err,
1335 STRTOSZ_DEFSUFFIX_B, 1000);
1336 if (tsc_freq < 0 || *err) {
1337 fprintf(stderr, "bad numerical value %s\n", val);
1338 goto error;
1339 }
1340 x86_cpu_def->tsc_khz = tsc_freq / 1000;
1341 } else if (!strcmp(featurestr, "hv_spinlocks")) {
1342 char *err;
1343 numvalue = strtoul(val, &err, 0);
1344 if (!*val || *err) {
1345 fprintf(stderr, "bad numerical value %s\n", val);
1346 goto error;
1347 }
1348 hyperv_set_spinlock_retries(numvalue);
1349 } else {
1350 fprintf(stderr, "unrecognized feature %s\n", featurestr);
1351 goto error;
1352 }
1353 } else if (!strcmp(featurestr, "check")) {
1354 check_cpuid = 1;
1355 } else if (!strcmp(featurestr, "enforce")) {
1356 check_cpuid = enforce_cpuid = 1;
1357 } else if (!strcmp(featurestr, "hv_relaxed")) {
1358 hyperv_enable_relaxed_timing(true);
1359 } else if (!strcmp(featurestr, "hv_vapic")) {
1360 hyperv_enable_vapic_recommended(true);
1361 } else {
1362 fprintf(stderr, "feature string `%s' not in format (+feature|-feature|feature=xyz)\n", featurestr);
1363 goto error;
1364 }
1365 featurestr = strtok(NULL, ",");
1366 }
1367 x86_cpu_def->features |= plus_features;
1368 x86_cpu_def->ext_features |= plus_ext_features;
1369 x86_cpu_def->ext2_features |= plus_ext2_features;
1370 x86_cpu_def->ext3_features |= plus_ext3_features;
1371 x86_cpu_def->kvm_features |= plus_kvm_features;
1372 x86_cpu_def->svm_features |= plus_svm_features;
1373 x86_cpu_def->cpuid_7_0_ebx_features |= plus_7_0_ebx_features;
1374 x86_cpu_def->features &= ~minus_features;
1375 x86_cpu_def->ext_features &= ~minus_ext_features;
1376 x86_cpu_def->ext2_features &= ~minus_ext2_features;
1377 x86_cpu_def->ext3_features &= ~minus_ext3_features;
1378 x86_cpu_def->kvm_features &= ~minus_kvm_features;
1379 x86_cpu_def->svm_features &= ~minus_svm_features;
1380 x86_cpu_def->cpuid_7_0_ebx_features &= ~minus_7_0_ebx_features;
1381 if (check_cpuid && kvm_enabled()) {
1382 if (kvm_check_features_against_host(x86_cpu_def) && enforce_cpuid)
1383 goto error;
1384 }
1385 return 0;
1386
1387 error:
1388 return -1;
1389 }
1390
1391 /* generate a composite string into buf of all cpuid names in featureset
1392 * selected by fbits. indicate truncation at bufsize in the event of overflow.
1393 * if flags, suppress names undefined in featureset.
1394 */
1395 static void listflags(char *buf, int bufsize, uint32_t fbits,
1396 const char **featureset, uint32_t flags)
1397 {
1398 const char **p = &featureset[31];
1399 char *q, *b, bit;
1400 int nc;
1401
1402 b = 4 <= bufsize ? buf + (bufsize -= 3) - 1 : NULL;
1403 *buf = '\0';
1404 for (q = buf, bit = 31; fbits && bufsize; --p, fbits &= ~(1 << bit), --bit)
1405 if (fbits & 1 << bit && (*p || !flags)) {
1406 if (*p)
1407 nc = snprintf(q, bufsize, "%s%s", q == buf ? "" : " ", *p);
1408 else
1409 nc = snprintf(q, bufsize, "%s[%d]", q == buf ? "" : " ", bit);
1410 if (bufsize <= nc) {
1411 if (b) {
1412 memcpy(b, "...", sizeof("..."));
1413 }
1414 return;
1415 }
1416 q += nc;
1417 bufsize -= nc;
1418 }
1419 }
1420
1421 /* generate CPU information. */
1422 void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf)
1423 {
1424 x86_def_t *def;
1425 char buf[256];
1426
1427 for (def = x86_defs; def; def = def->next) {
1428 snprintf(buf, sizeof(buf), "%s", def->name);
1429 (*cpu_fprintf)(f, "x86 %16s %-48s\n", buf, def->model_id);
1430 }
1431 if (kvm_enabled()) {
1432 (*cpu_fprintf)(f, "x86 %16s\n", "[host]");
1433 }
1434 (*cpu_fprintf)(f, "\nRecognized CPUID flags:\n");
1435 listflags(buf, sizeof(buf), (uint32_t)~0, feature_name, 1);
1436 (*cpu_fprintf)(f, " %s\n", buf);
1437 listflags(buf, sizeof(buf), (uint32_t)~0, ext_feature_name, 1);
1438 (*cpu_fprintf)(f, " %s\n", buf);
1439 listflags(buf, sizeof(buf), (uint32_t)~0, ext2_feature_name, 1);
1440 (*cpu_fprintf)(f, " %s\n", buf);
1441 listflags(buf, sizeof(buf), (uint32_t)~0, ext3_feature_name, 1);
1442 (*cpu_fprintf)(f, " %s\n", buf);
1443 }
1444
1445 CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp)
1446 {
1447 CpuDefinitionInfoList *cpu_list = NULL;
1448 x86_def_t *def;
1449
1450 for (def = x86_defs; def; def = def->next) {
1451 CpuDefinitionInfoList *entry;
1452 CpuDefinitionInfo *info;
1453
1454 info = g_malloc0(sizeof(*info));
1455 info->name = g_strdup(def->name);
1456
1457 entry = g_malloc0(sizeof(*entry));
1458 entry->value = info;
1459 entry->next = cpu_list;
1460 cpu_list = entry;
1461 }
1462
1463 return cpu_list;
1464 }
1465
1466 #ifdef CONFIG_KVM
1467 static void filter_features_for_kvm(X86CPU *cpu)
1468 {
1469 CPUX86State *env = &cpu->env;
1470 KVMState *s = kvm_state;
1471
1472 env->cpuid_features &=
1473 kvm_arch_get_supported_cpuid(s, 1, 0, R_EDX);
1474 env->cpuid_ext_features &=
1475 kvm_arch_get_supported_cpuid(s, 1, 0, R_ECX);
1476 env->cpuid_ext2_features &=
1477 kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_EDX);
1478 env->cpuid_ext3_features &=
1479 kvm_arch_get_supported_cpuid(s, 0x80000001, 0, R_ECX);
1480 env->cpuid_svm_features &=
1481 kvm_arch_get_supported_cpuid(s, 0x8000000A, 0, R_EDX);
1482 env->cpuid_7_0_ebx_features &=
1483 kvm_arch_get_supported_cpuid(s, 7, 0, R_EBX);
1484 env->cpuid_kvm_features &=
1485 kvm_arch_get_supported_cpuid(s, KVM_CPUID_FEATURES, 0, R_EAX);
1486 env->cpuid_ext4_features &=
1487 kvm_arch_get_supported_cpuid(s, 0xC0000001, 0, R_EDX);
1488
1489 }
1490 #endif
1491
1492 int cpu_x86_register(X86CPU *cpu, const char *cpu_model)
1493 {
1494 CPUX86State *env = &cpu->env;
1495 x86_def_t def1, *def = &def1;
1496 Error *error = NULL;
1497 char *name, *features;
1498 gchar **model_pieces;
1499
1500 memset(def, 0, sizeof(*def));
1501
1502 model_pieces = g_strsplit(cpu_model, ",", 2);
1503 if (!model_pieces[0]) {
1504 goto error;
1505 }
1506 name = model_pieces[0];
1507 features = model_pieces[1];
1508
1509 if (cpu_x86_find_by_name(def, name) < 0) {
1510 goto error;
1511 }
1512
1513 if (cpu_x86_parse_featurestr(def, features) < 0) {
1514 goto error;
1515 }
1516 if (def->vendor1) {
1517 env->cpuid_vendor1 = def->vendor1;
1518 env->cpuid_vendor2 = def->vendor2;
1519 env->cpuid_vendor3 = def->vendor3;
1520 } else {
1521 env->cpuid_vendor1 = CPUID_VENDOR_INTEL_1;
1522 env->cpuid_vendor2 = CPUID_VENDOR_INTEL_2;
1523 env->cpuid_vendor3 = CPUID_VENDOR_INTEL_3;
1524 }
1525 env->cpuid_vendor_override = def->vendor_override;
1526 object_property_set_int(OBJECT(cpu), def->level, "level", &error);
1527 object_property_set_int(OBJECT(cpu), def->family, "family", &error);
1528 object_property_set_int(OBJECT(cpu), def->model, "model", &error);
1529 object_property_set_int(OBJECT(cpu), def->stepping, "stepping", &error);
1530 env->cpuid_features = def->features;
1531 env->cpuid_ext_features = def->ext_features;
1532 env->cpuid_ext2_features = def->ext2_features;
1533 env->cpuid_ext3_features = def->ext3_features;
1534 object_property_set_int(OBJECT(cpu), def->xlevel, "xlevel", &error);
1535 env->cpuid_kvm_features = def->kvm_features;
1536 env->cpuid_svm_features = def->svm_features;
1537 env->cpuid_ext4_features = def->ext4_features;
1538 env->cpuid_7_0_ebx_features = def->cpuid_7_0_ebx_features;
1539 env->cpuid_xlevel2 = def->xlevel2;
1540 object_property_set_int(OBJECT(cpu), (int64_t)def->tsc_khz * 1000,
1541 "tsc-frequency", &error);
1542
1543 /* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on
1544 * CPUID[1].EDX.
1545 */
1546 if (env->cpuid_vendor1 == CPUID_VENDOR_AMD_1 &&
1547 env->cpuid_vendor2 == CPUID_VENDOR_AMD_2 &&
1548 env->cpuid_vendor3 == CPUID_VENDOR_AMD_3) {
1549 env->cpuid_ext2_features &= ~CPUID_EXT2_AMD_ALIASES;
1550 env->cpuid_ext2_features |= (def->features & CPUID_EXT2_AMD_ALIASES);
1551 }
1552
1553 if (!kvm_enabled()) {
1554 env->cpuid_features &= TCG_FEATURES;
1555 env->cpuid_ext_features &= TCG_EXT_FEATURES;
1556 env->cpuid_ext2_features &= (TCG_EXT2_FEATURES
1557 #ifdef TARGET_X86_64
1558 | CPUID_EXT2_SYSCALL | CPUID_EXT2_LM
1559 #endif
1560 );
1561 env->cpuid_ext3_features &= TCG_EXT3_FEATURES;
1562 env->cpuid_svm_features &= TCG_SVM_FEATURES;
1563 } else {
1564 #ifdef CONFIG_KVM
1565 filter_features_for_kvm(cpu);
1566 #endif
1567 }
1568 object_property_set_str(OBJECT(cpu), def->model_id, "model-id", &error);
1569 if (error) {
1570 fprintf(stderr, "%s\n", error_get_pretty(error));
1571 error_free(error);
1572 goto error;
1573 }
1574
1575 g_strfreev(model_pieces);
1576 return 0;
1577 error:
1578 g_strfreev(model_pieces);
1579 return -1;
1580 }
1581
1582 #if !defined(CONFIG_USER_ONLY)
1583
1584 void cpu_clear_apic_feature(CPUX86State *env)
1585 {
1586 env->cpuid_features &= ~CPUID_APIC;
1587 }
1588
1589 #endif /* !CONFIG_USER_ONLY */
1590
1591 /* Initialize list of CPU models, filling some non-static fields if necessary
1592 */
1593 void x86_cpudef_setup(void)
1594 {
1595 int i, j;
1596 static const char *model_with_versions[] = { "qemu32", "qemu64", "athlon" };
1597
1598 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); ++i) {
1599 x86_def_t *def = &builtin_x86_defs[i];
1600 def->next = x86_defs;
1601
1602 /* Look for specific "cpudef" models that */
1603 /* have the QEMU version in .model_id */
1604 for (j = 0; j < ARRAY_SIZE(model_with_versions); j++) {
1605 if (strcmp(model_with_versions[j], def->name) == 0) {
1606 pstrcpy(def->model_id, sizeof(def->model_id),
1607 "QEMU Virtual CPU version ");
1608 pstrcat(def->model_id, sizeof(def->model_id),
1609 qemu_get_version());
1610 break;
1611 }
1612 }
1613
1614 x86_defs = def;
1615 }
1616 }
1617
1618 static void get_cpuid_vendor(CPUX86State *env, uint32_t *ebx,
1619 uint32_t *ecx, uint32_t *edx)
1620 {
1621 *ebx = env->cpuid_vendor1;
1622 *edx = env->cpuid_vendor2;
1623 *ecx = env->cpuid_vendor3;
1624
1625 /* sysenter isn't supported on compatibility mode on AMD, syscall
1626 * isn't supported in compatibility mode on Intel.
1627 * Normally we advertise the actual cpu vendor, but you can override
1628 * this if you want to use KVM's sysenter/syscall emulation
1629 * in compatibility mode and when doing cross vendor migration
1630 */
1631 if (kvm_enabled() && ! env->cpuid_vendor_override) {
1632 host_cpuid(0, 0, NULL, ebx, ecx, edx);
1633 }
1634 }
1635
1636 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
1637 uint32_t *eax, uint32_t *ebx,
1638 uint32_t *ecx, uint32_t *edx)
1639 {
1640 X86CPU *cpu = x86_env_get_cpu(env);
1641 CPUState *cs = CPU(cpu);
1642
1643 /* test if maximum index reached */
1644 if (index & 0x80000000) {
1645 if (index > env->cpuid_xlevel) {
1646 if (env->cpuid_xlevel2 > 0) {
1647 /* Handle the Centaur's CPUID instruction. */
1648 if (index > env->cpuid_xlevel2) {
1649 index = env->cpuid_xlevel2;
1650 } else if (index < 0xC0000000) {
1651 index = env->cpuid_xlevel;
1652 }
1653 } else {
1654 index = env->cpuid_xlevel;
1655 }
1656 }
1657 } else {
1658 if (index > env->cpuid_level)
1659 index = env->cpuid_level;
1660 }
1661
1662 switch(index) {
1663 case 0:
1664 *eax = env->cpuid_level;
1665 get_cpuid_vendor(env, ebx, ecx, edx);
1666 break;
1667 case 1:
1668 *eax = env->cpuid_version;
1669 *ebx = (env->cpuid_apic_id << 24) | 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */
1670 *ecx = env->cpuid_ext_features;
1671 *edx = env->cpuid_features;
1672 if (env->nr_cores * env->nr_threads > 1) {
1673 *ebx |= (env->nr_cores * env->nr_threads) << 16;
1674 *edx |= 1 << 28; /* HTT bit */
1675 }
1676 break;
1677 case 2:
1678 /* cache info: needed for Pentium Pro compatibility */
1679 *eax = 1;
1680 *ebx = 0;
1681 *ecx = 0;
1682 *edx = 0x2c307d;
1683 break;
1684 case 4:
1685 /* cache info: needed for Core compatibility */
1686 if (env->nr_cores > 1) {
1687 *eax = (env->nr_cores - 1) << 26;
1688 } else {
1689 *eax = 0;
1690 }
1691 switch (count) {
1692 case 0: /* L1 dcache info */
1693 *eax |= 0x0000121;
1694 *ebx = 0x1c0003f;
1695 *ecx = 0x000003f;
1696 *edx = 0x0000001;
1697 break;
1698 case 1: /* L1 icache info */
1699 *eax |= 0x0000122;
1700 *ebx = 0x1c0003f;
1701 *ecx = 0x000003f;
1702 *edx = 0x0000001;
1703 break;
1704 case 2: /* L2 cache info */
1705 *eax |= 0x0000143;
1706 if (env->nr_threads > 1) {
1707 *eax |= (env->nr_threads - 1) << 14;
1708 }
1709 *ebx = 0x3c0003f;
1710 *ecx = 0x0000fff;
1711 *edx = 0x0000001;
1712 break;
1713 default: /* end of info */
1714 *eax = 0;
1715 *ebx = 0;
1716 *ecx = 0;
1717 *edx = 0;
1718 break;
1719 }
1720 break;
1721 case 5:
1722 /* mwait info: needed for Core compatibility */
1723 *eax = 0; /* Smallest monitor-line size in bytes */
1724 *ebx = 0; /* Largest monitor-line size in bytes */
1725 *ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE;
1726 *edx = 0;
1727 break;
1728 case 6:
1729 /* Thermal and Power Leaf */
1730 *eax = 0;
1731 *ebx = 0;
1732 *ecx = 0;
1733 *edx = 0;
1734 break;
1735 case 7:
1736 /* Structured Extended Feature Flags Enumeration Leaf */
1737 if (count == 0) {
1738 *eax = 0; /* Maximum ECX value for sub-leaves */
1739 *ebx = env->cpuid_7_0_ebx_features; /* Feature flags */
1740 *ecx = 0; /* Reserved */
1741 *edx = 0; /* Reserved */
1742 } else {
1743 *eax = 0;
1744 *ebx = 0;
1745 *ecx = 0;
1746 *edx = 0;
1747 }
1748 break;
1749 case 9:
1750 /* Direct Cache Access Information Leaf */
1751 *eax = 0; /* Bits 0-31 in DCA_CAP MSR */
1752 *ebx = 0;
1753 *ecx = 0;
1754 *edx = 0;
1755 break;
1756 case 0xA:
1757 /* Architectural Performance Monitoring Leaf */
1758 if (kvm_enabled()) {
1759 KVMState *s = cs->kvm_state;
1760
1761 *eax = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EAX);
1762 *ebx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EBX);
1763 *ecx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_ECX);
1764 *edx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EDX);
1765 } else {
1766 *eax = 0;
1767 *ebx = 0;
1768 *ecx = 0;
1769 *edx = 0;
1770 }
1771 break;
1772 case 0xD:
1773 /* Processor Extended State */
1774 if (!(env->cpuid_ext_features & CPUID_EXT_XSAVE)) {
1775 *eax = 0;
1776 *ebx = 0;
1777 *ecx = 0;
1778 *edx = 0;
1779 break;
1780 }
1781 if (kvm_enabled()) {
1782 KVMState *s = cs->kvm_state;
1783
1784 *eax = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EAX);
1785 *ebx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EBX);
1786 *ecx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_ECX);
1787 *edx = kvm_arch_get_supported_cpuid(s, 0xd, count, R_EDX);
1788 } else {
1789 *eax = 0;
1790 *ebx = 0;
1791 *ecx = 0;
1792 *edx = 0;
1793 }
1794 break;
1795 case 0x80000000:
1796 *eax = env->cpuid_xlevel;
1797 *ebx = env->cpuid_vendor1;
1798 *edx = env->cpuid_vendor2;
1799 *ecx = env->cpuid_vendor3;
1800 break;
1801 case 0x80000001:
1802 *eax = env->cpuid_version;
1803 *ebx = 0;
1804 *ecx = env->cpuid_ext3_features;
1805 *edx = env->cpuid_ext2_features;
1806
1807 /* The Linux kernel checks for the CMPLegacy bit and
1808 * discards multiple thread information if it is set.
1809 * So dont set it here for Intel to make Linux guests happy.
1810 */
1811 if (env->nr_cores * env->nr_threads > 1) {
1812 uint32_t tebx, tecx, tedx;
1813 get_cpuid_vendor(env, &tebx, &tecx, &tedx);
1814 if (tebx != CPUID_VENDOR_INTEL_1 ||
1815 tedx != CPUID_VENDOR_INTEL_2 ||
1816 tecx != CPUID_VENDOR_INTEL_3) {
1817 *ecx |= 1 << 1; /* CmpLegacy bit */
1818 }
1819 }
1820 break;
1821 case 0x80000002:
1822 case 0x80000003:
1823 case 0x80000004:
1824 *eax = env->cpuid_model[(index - 0x80000002) * 4 + 0];
1825 *ebx = env->cpuid_model[(index - 0x80000002) * 4 + 1];
1826 *ecx = env->cpuid_model[(index - 0x80000002) * 4 + 2];
1827 *edx = env->cpuid_model[(index - 0x80000002) * 4 + 3];
1828 break;
1829 case 0x80000005:
1830 /* cache info (L1 cache) */
1831 *eax = 0x01ff01ff;
1832 *ebx = 0x01ff01ff;
1833 *ecx = 0x40020140;
1834 *edx = 0x40020140;
1835 break;
1836 case 0x80000006:
1837 /* cache info (L2 cache) */
1838 *eax = 0;
1839 *ebx = 0x42004200;
1840 *ecx = 0x02008140;
1841 *edx = 0;
1842 break;
1843 case 0x80000008:
1844 /* virtual & phys address size in low 2 bytes. */
1845 /* XXX: This value must match the one used in the MMU code. */
1846 if (env->cpuid_ext2_features & CPUID_EXT2_LM) {
1847 /* 64 bit processor */
1848 /* XXX: The physical address space is limited to 42 bits in exec.c. */
1849 *eax = 0x00003028; /* 48 bits virtual, 40 bits physical */
1850 } else {
1851 if (env->cpuid_features & CPUID_PSE36)
1852 *eax = 0x00000024; /* 36 bits physical */
1853 else
1854 *eax = 0x00000020; /* 32 bits physical */
1855 }
1856 *ebx = 0;
1857 *ecx = 0;
1858 *edx = 0;
1859 if (env->nr_cores * env->nr_threads > 1) {
1860 *ecx |= (env->nr_cores * env->nr_threads) - 1;
1861 }
1862 break;
1863 case 0x8000000A:
1864 if (env->cpuid_ext3_features & CPUID_EXT3_SVM) {
1865 *eax = 0x00000001; /* SVM Revision */
1866 *ebx = 0x00000010; /* nr of ASIDs */
1867 *ecx = 0;
1868 *edx = env->cpuid_svm_features; /* optional features */
1869 } else {
1870 *eax = 0;
1871 *ebx = 0;
1872 *ecx = 0;
1873 *edx = 0;
1874 }
1875 break;
1876 case 0xC0000000:
1877 *eax = env->cpuid_xlevel2;
1878 *ebx = 0;
1879 *ecx = 0;
1880 *edx = 0;
1881 break;
1882 case 0xC0000001:
1883 /* Support for VIA CPU's CPUID instruction */
1884 *eax = env->cpuid_version;
1885 *ebx = 0;
1886 *ecx = 0;
1887 *edx = env->cpuid_ext4_features;
1888 break;
1889 case 0xC0000002:
1890 case 0xC0000003:
1891 case 0xC0000004:
1892 /* Reserved for the future, and now filled with zero */
1893 *eax = 0;
1894 *ebx = 0;
1895 *ecx = 0;
1896 *edx = 0;
1897 break;
1898 default:
1899 /* reserved values: zero */
1900 *eax = 0;
1901 *ebx = 0;
1902 *ecx = 0;
1903 *edx = 0;
1904 break;
1905 }
1906 }
1907
1908 /* CPUClass::reset() */
1909 static void x86_cpu_reset(CPUState *s)
1910 {
1911 X86CPU *cpu = X86_CPU(s);
1912 X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
1913 CPUX86State *env = &cpu->env;
1914 int i;
1915
1916 if (qemu_loglevel_mask(CPU_LOG_RESET)) {
1917 qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
1918 log_cpu_state(env, CPU_DUMP_FPU | CPU_DUMP_CCOP);
1919 }
1920
1921 xcc->parent_reset(s);
1922
1923
1924 memset(env, 0, offsetof(CPUX86State, breakpoints));
1925
1926 tlb_flush(env, 1);
1927
1928 env->old_exception = -1;
1929
1930 /* init to reset state */
1931
1932 #ifdef CONFIG_SOFTMMU
1933 env->hflags |= HF_SOFTMMU_MASK;
1934 #endif
1935 env->hflags2 |= HF2_GIF_MASK;
1936
1937 cpu_x86_update_cr0(env, 0x60000010);
1938 env->a20_mask = ~0x0;
1939 env->smbase = 0x30000;
1940
1941 env->idt.limit = 0xffff;
1942 env->gdt.limit = 0xffff;
1943 env->ldt.limit = 0xffff;
1944 env->ldt.flags = DESC_P_MASK | (2 << DESC_TYPE_SHIFT);
1945 env->tr.limit = 0xffff;
1946 env->tr.flags = DESC_P_MASK | (11 << DESC_TYPE_SHIFT);
1947
1948 cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff,
1949 DESC_P_MASK | DESC_S_MASK | DESC_CS_MASK |
1950 DESC_R_MASK | DESC_A_MASK);
1951 cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff,
1952 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
1953 DESC_A_MASK);
1954 cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff,
1955 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
1956 DESC_A_MASK);
1957 cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff,
1958 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
1959 DESC_A_MASK);
1960 cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff,
1961 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
1962 DESC_A_MASK);
1963 cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff,
1964 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
1965 DESC_A_MASK);
1966
1967 env->eip = 0xfff0;
1968 env->regs[R_EDX] = env->cpuid_version;
1969
1970 env->eflags = 0x2;
1971
1972 /* FPU init */
1973 for (i = 0; i < 8; i++) {
1974 env->fptags[i] = 1;
1975 }
1976 env->fpuc = 0x37f;
1977
1978 env->mxcsr = 0x1f80;
1979
1980 env->pat = 0x0007040600070406ULL;
1981 env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT;
1982
1983 memset(env->dr, 0, sizeof(env->dr));
1984 env->dr[6] = DR6_FIXED_1;
1985 env->dr[7] = DR7_FIXED_1;
1986 cpu_breakpoint_remove_all(env, BP_CPU);
1987 cpu_watchpoint_remove_all(env, BP_CPU);
1988
1989 #if !defined(CONFIG_USER_ONLY)
1990 /* We hard-wire the BSP to the first CPU. */
1991 if (env->cpu_index == 0) {
1992 apic_designate_bsp(env->apic_state);
1993 }
1994
1995 env->halted = !cpu_is_bsp(cpu);
1996 #endif
1997 }
1998
1999 #ifndef CONFIG_USER_ONLY
2000 bool cpu_is_bsp(X86CPU *cpu)
2001 {
2002 return cpu_get_apic_base(cpu->env.apic_state) & MSR_IA32_APICBASE_BSP;
2003 }
2004
2005 /* TODO: remove me, when reset over QOM tree is implemented */
2006 static void x86_cpu_machine_reset_cb(void *opaque)
2007 {
2008 X86CPU *cpu = opaque;
2009 cpu_reset(CPU(cpu));
2010 }
2011 #endif
2012
2013 static void mce_init(X86CPU *cpu)
2014 {
2015 CPUX86State *cenv = &cpu->env;
2016 unsigned int bank;
2017
2018 if (((cenv->cpuid_version >> 8) & 0xf) >= 6
2019 && (cenv->cpuid_features & (CPUID_MCE | CPUID_MCA)) ==
2020 (CPUID_MCE | CPUID_MCA)) {
2021 cenv->mcg_cap = MCE_CAP_DEF | MCE_BANKS_DEF;
2022 cenv->mcg_ctl = ~(uint64_t)0;
2023 for (bank = 0; bank < MCE_BANKS_DEF; bank++) {
2024 cenv->mce_banks[bank * 4] = ~(uint64_t)0;
2025 }
2026 }
2027 }
2028
2029 #define MSI_ADDR_BASE 0xfee00000
2030
2031 #ifndef CONFIG_USER_ONLY
2032 static void x86_cpu_apic_init(X86CPU *cpu, Error **errp)
2033 {
2034 static int apic_mapped;
2035 CPUX86State *env = &cpu->env;
2036 APICCommonState *apic;
2037 const char *apic_type = "apic";
2038
2039 if (kvm_irqchip_in_kernel()) {
2040 apic_type = "kvm-apic";
2041 } else if (xen_enabled()) {
2042 apic_type = "xen-apic";
2043 }
2044
2045 env->apic_state = qdev_try_create(NULL, apic_type);
2046 if (env->apic_state == NULL) {
2047 error_setg(errp, "APIC device '%s' could not be created", apic_type);
2048 return;
2049 }
2050
2051 object_property_add_child(OBJECT(cpu), "apic",
2052 OBJECT(env->apic_state), NULL);
2053 qdev_prop_set_uint8(env->apic_state, "id", env->cpuid_apic_id);
2054 /* TODO: convert to link<> */
2055 apic = APIC_COMMON(env->apic_state);
2056 apic->cpu = cpu;
2057
2058 if (qdev_init(env->apic_state)) {
2059 error_setg(errp, "APIC device '%s' could not be initialized",
2060 object_get_typename(OBJECT(env->apic_state)));
2061 return;
2062 }
2063
2064 /* XXX: mapping more APICs at the same memory location */
2065 if (apic_mapped == 0) {
2066 /* NOTE: the APIC is directly connected to the CPU - it is not
2067 on the global memory bus. */
2068 /* XXX: what if the base changes? */
2069 sysbus_mmio_map(sysbus_from_qdev(env->apic_state), 0, MSI_ADDR_BASE);
2070 apic_mapped = 1;
2071 }
2072 }
2073 #endif
2074
2075 void x86_cpu_realize(Object *obj, Error **errp)
2076 {
2077 X86CPU *cpu = X86_CPU(obj);
2078 CPUX86State *env = &cpu->env;
2079
2080 if (env->cpuid_7_0_ebx_features && env->cpuid_level < 7) {
2081 env->cpuid_level = 7;
2082 }
2083
2084 #ifndef CONFIG_USER_ONLY
2085 qemu_register_reset(x86_cpu_machine_reset_cb, cpu);
2086
2087 if (cpu->env.cpuid_features & CPUID_APIC || smp_cpus > 1) {
2088 x86_cpu_apic_init(cpu, errp);
2089 if (error_is_set(errp)) {
2090 return;
2091 }
2092 }
2093 #endif
2094
2095 mce_init(cpu);
2096 qemu_init_vcpu(&cpu->env);
2097 cpu_reset(CPU(cpu));
2098 }
2099
2100 static void x86_cpu_initfn(Object *obj)
2101 {
2102 X86CPU *cpu = X86_CPU(obj);
2103 CPUX86State *env = &cpu->env;
2104 static int inited;
2105
2106 cpu_exec_init(env);
2107
2108 object_property_add(obj, "family", "int",
2109 x86_cpuid_version_get_family,
2110 x86_cpuid_version_set_family, NULL, NULL, NULL);
2111 object_property_add(obj, "model", "int",
2112 x86_cpuid_version_get_model,
2113 x86_cpuid_version_set_model, NULL, NULL, NULL);
2114 object_property_add(obj, "stepping", "int",
2115 x86_cpuid_version_get_stepping,
2116 x86_cpuid_version_set_stepping, NULL, NULL, NULL);
2117 object_property_add(obj, "level", "int",
2118 x86_cpuid_get_level,
2119 x86_cpuid_set_level, NULL, NULL, NULL);
2120 object_property_add(obj, "xlevel", "int",
2121 x86_cpuid_get_xlevel,
2122 x86_cpuid_set_xlevel, NULL, NULL, NULL);
2123 object_property_add_str(obj, "vendor",
2124 x86_cpuid_get_vendor,
2125 x86_cpuid_set_vendor, NULL);
2126 object_property_add_str(obj, "model-id",
2127 x86_cpuid_get_model_id,
2128 x86_cpuid_set_model_id, NULL);
2129 object_property_add(obj, "tsc-frequency", "int",
2130 x86_cpuid_get_tsc_freq,
2131 x86_cpuid_set_tsc_freq, NULL, NULL, NULL);
2132
2133 env->cpuid_apic_id = env->cpu_index;
2134
2135 /* init various static tables used in TCG mode */
2136 if (tcg_enabled() && !inited) {
2137 inited = 1;
2138 optimize_flags_init();
2139 #ifndef CONFIG_USER_ONLY
2140 cpu_set_debug_excp_handler(breakpoint_handler);
2141 #endif
2142 }
2143 }
2144
2145 static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
2146 {
2147 X86CPUClass *xcc = X86_CPU_CLASS(oc);
2148 CPUClass *cc = CPU_CLASS(oc);
2149
2150 xcc->parent_reset = cc->reset;
2151 cc->reset = x86_cpu_reset;
2152 }
2153
2154 static const TypeInfo x86_cpu_type_info = {
2155 .name = TYPE_X86_CPU,
2156 .parent = TYPE_CPU,
2157 .instance_size = sizeof(X86CPU),
2158 .instance_init = x86_cpu_initfn,
2159 .abstract = false,
2160 .class_size = sizeof(X86CPUClass),
2161 .class_init = x86_cpu_common_class_init,
2162 };
2163
2164 static void x86_cpu_register_types(void)
2165 {
2166 type_register_static(&x86_cpu_type_info);
2167 }
2168
2169 type_init(x86_cpu_register_types)
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