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Merge remote-tracking branch 'jtc/tags/block-pull-request' into staging
[qemu/ar7.git] / target-i386 / cpu.c
blob6eec5dc86dad02de6a6d4727878167ed662879af
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 "qemu/osdep.h"
20 #include "qemu/cutils.h"
21
22 #include "cpu.h"
23 #include "exec/exec-all.h"
24 #include "sysemu/kvm.h"
25 #include "sysemu/cpus.h"
26 #include "kvm_i386.h"
27
28 #include "qemu/error-report.h"
29 #include "qemu/option.h"
30 #include "qemu/config-file.h"
31 #include "qapi/qmp/qerror.h"
32
33 #include "qapi-types.h"
34 #include "qapi-visit.h"
35 #include "qapi/visitor.h"
36 #include "sysemu/arch_init.h"
37
38 #if defined(CONFIG_KVM)
39 #include <linux/kvm_para.h>
40 #endif
41
42 #include "sysemu/sysemu.h"
43 #include "hw/qdev-properties.h"
44 #include "hw/i386/topology.h"
45 #ifndef CONFIG_USER_ONLY
46 #include "exec/address-spaces.h"
47 #include "hw/hw.h"
48 #include "hw/xen/xen.h"
49 #include "hw/i386/apic_internal.h"
50 #endif
51
52
53 /* Cache topology CPUID constants: */
54
55 /* CPUID Leaf 2 Descriptors */
56
57 #define CPUID_2_L1D_32KB_8WAY_64B 0x2c
58 #define CPUID_2_L1I_32KB_8WAY_64B 0x30
59 #define CPUID_2_L2_2MB_8WAY_64B 0x7d
60 #define CPUID_2_L3_16MB_16WAY_64B 0x4d
61
62
63 /* CPUID Leaf 4 constants: */
64
65 /* EAX: */
66 #define CPUID_4_TYPE_DCACHE 1
67 #define CPUID_4_TYPE_ICACHE 2
68 #define CPUID_4_TYPE_UNIFIED 3
69
70 #define CPUID_4_LEVEL(l) ((l) << 5)
71
72 #define CPUID_4_SELF_INIT_LEVEL (1 << 8)
73 #define CPUID_4_FULLY_ASSOC (1 << 9)
74
75 /* EDX: */
76 #define CPUID_4_NO_INVD_SHARING (1 << 0)
77 #define CPUID_4_INCLUSIVE (1 << 1)
78 #define CPUID_4_COMPLEX_IDX (1 << 2)
79
80 #define ASSOC_FULL 0xFF
81
82 /* AMD associativity encoding used on CPUID Leaf 0x80000006: */
83 #define AMD_ENC_ASSOC(a) (a <= 1 ? a : \
84 a == 2 ? 0x2 : \
85 a == 4 ? 0x4 : \
86 a == 8 ? 0x6 : \
87 a == 16 ? 0x8 : \
88 a == 32 ? 0xA : \
89 a == 48 ? 0xB : \
90 a == 64 ? 0xC : \
91 a == 96 ? 0xD : \
92 a == 128 ? 0xE : \
93 a == ASSOC_FULL ? 0xF : \
94 0 /* invalid value */)
95
96
97 /* Definitions of the hardcoded cache entries we expose: */
98
99 /* L1 data cache: */
100 #define L1D_LINE_SIZE 64
101 #define L1D_ASSOCIATIVITY 8
102 #define L1D_SETS 64
103 #define L1D_PARTITIONS 1
104 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */
105 #define L1D_DESCRIPTOR CPUID_2_L1D_32KB_8WAY_64B
106 /*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
107 #define L1D_LINES_PER_TAG 1
108 #define L1D_SIZE_KB_AMD 64
109 #define L1D_ASSOCIATIVITY_AMD 2
110
111 /* L1 instruction cache: */
112 #define L1I_LINE_SIZE 64
113 #define L1I_ASSOCIATIVITY 8
114 #define L1I_SETS 64
115 #define L1I_PARTITIONS 1
116 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */
117 #define L1I_DESCRIPTOR CPUID_2_L1I_32KB_8WAY_64B
118 /*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */
119 #define L1I_LINES_PER_TAG 1
120 #define L1I_SIZE_KB_AMD 64
121 #define L1I_ASSOCIATIVITY_AMD 2
122
123 /* Level 2 unified cache: */
124 #define L2_LINE_SIZE 64
125 #define L2_ASSOCIATIVITY 16
126 #define L2_SETS 4096
127 #define L2_PARTITIONS 1
128 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 4MiB */
129 /*FIXME: CPUID leaf 2 descriptor is inconsistent with CPUID leaf 4 */
130 #define L2_DESCRIPTOR CPUID_2_L2_2MB_8WAY_64B
131 /*FIXME: CPUID leaf 0x80000006 is inconsistent with leaves 2 & 4 */
132 #define L2_LINES_PER_TAG 1
133 #define L2_SIZE_KB_AMD 512
134
135 /* Level 3 unified cache: */
136 #define L3_SIZE_KB 0 /* disabled */
137 #define L3_ASSOCIATIVITY 0 /* disabled */
138 #define L3_LINES_PER_TAG 0 /* disabled */
139 #define L3_LINE_SIZE 0 /* disabled */
140 #define L3_N_LINE_SIZE 64
141 #define L3_N_ASSOCIATIVITY 16
142 #define L3_N_SETS 16384
143 #define L3_N_PARTITIONS 1
144 #define L3_N_DESCRIPTOR CPUID_2_L3_16MB_16WAY_64B
145 #define L3_N_LINES_PER_TAG 1
146 #define L3_N_SIZE_KB_AMD 16384
147
148 /* TLB definitions: */
149
150 #define L1_DTLB_2M_ASSOC 1
151 #define L1_DTLB_2M_ENTRIES 255
152 #define L1_DTLB_4K_ASSOC 1
153 #define L1_DTLB_4K_ENTRIES 255
154
155 #define L1_ITLB_2M_ASSOC 1
156 #define L1_ITLB_2M_ENTRIES 255
157 #define L1_ITLB_4K_ASSOC 1
158 #define L1_ITLB_4K_ENTRIES 255
159
160 #define L2_DTLB_2M_ASSOC 0 /* disabled */
161 #define L2_DTLB_2M_ENTRIES 0 /* disabled */
162 #define L2_DTLB_4K_ASSOC 4
163 #define L2_DTLB_4K_ENTRIES 512
164
165 #define L2_ITLB_2M_ASSOC 0 /* disabled */
166 #define L2_ITLB_2M_ENTRIES 0 /* disabled */
167 #define L2_ITLB_4K_ASSOC 4
168 #define L2_ITLB_4K_ENTRIES 512
169
170
171
172 static void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1,
173 uint32_t vendor2, uint32_t vendor3)
174 {
175 int i;
176 for (i = 0; i < 4; i++) {
177 dst[i] = vendor1 >> (8 * i);
178 dst[i + 4] = vendor2 >> (8 * i);
179 dst[i + 8] = vendor3 >> (8 * i);
180 }
181 dst[CPUID_VENDOR_SZ] = '\0';
182 }
183
184 #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
185 #define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
186 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
187 #define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
188 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
189 CPUID_PSE36 | CPUID_FXSR)
190 #define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
191 #define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
192 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
193 CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
194 CPUID_PAE | CPUID_SEP | CPUID_APIC)
195
196 #define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
197 CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
198 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
199 CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
200 CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS | CPUID_DE)
201 /* partly implemented:
202 CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64) */
203 /* missing:
204 CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
205 #define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \
206 CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \
207 CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \
208 CPUID_EXT_XSAVE | /* CPUID_EXT_OSXSAVE is dynamic */ \
209 CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR)
210 /* missing:
211 CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_SMX,
212 CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_CID, CPUID_EXT_FMA,
213 CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_PCID, CPUID_EXT_DCA,
214 CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER, CPUID_EXT_AVX,
215 CPUID_EXT_F16C, CPUID_EXT_RDRAND */
216
217 #ifdef TARGET_X86_64
218 #define TCG_EXT2_X86_64_FEATURES (CPUID_EXT2_SYSCALL | CPUID_EXT2_LM)
219 #else
220 #define TCG_EXT2_X86_64_FEATURES 0
221 #endif
222
223 #define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
224 CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
225 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB | \
226 TCG_EXT2_X86_64_FEATURES)
227 #define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
228 CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
229 #define TCG_EXT4_FEATURES 0
230 #define TCG_SVM_FEATURES 0
231 #define TCG_KVM_FEATURES 0
232 #define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP | \
233 CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX | \
234 CPUID_7_0_EBX_PCOMMIT | CPUID_7_0_EBX_CLFLUSHOPT | \
235 CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_FSGSBASE | \
236 CPUID_7_0_EBX_ERMS)
237 /* missing:
238 CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,
239 CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
240 CPUID_7_0_EBX_RDSEED */
241 #define TCG_7_0_ECX_FEATURES (CPUID_7_0_ECX_PKU | CPUID_7_0_ECX_OSPKE)
242 #define TCG_7_0_EDX_FEATURES 0
243 #define TCG_APM_FEATURES 0
244 #define TCG_6_EAX_FEATURES CPUID_6_EAX_ARAT
245 #define TCG_XSAVE_FEATURES (CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XGETBV1)
246 /* missing:
247 CPUID_XSAVE_XSAVEC, CPUID_XSAVE_XSAVES */
248
249 typedef struct FeatureWordInfo {
250 /* feature flags names are taken from "Intel Processor Identification and
251 * the CPUID Instruction" and AMD's "CPUID Specification".
252 * In cases of disagreement between feature naming conventions,
253 * aliases may be added.
254 */
255 const char *feat_names[32];
256 uint32_t cpuid_eax; /* Input EAX for CPUID */
257 bool cpuid_needs_ecx; /* CPUID instruction uses ECX as input */
258 uint32_t cpuid_ecx; /* Input ECX value for CPUID */
259 int cpuid_reg; /* output register (R_* constant) */
260 uint32_t tcg_features; /* Feature flags supported by TCG */
261 uint32_t unmigratable_flags; /* Feature flags known to be unmigratable */
262 uint32_t migratable_flags; /* Feature flags known to be migratable */
263 } FeatureWordInfo;
264
265 static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
266 [FEAT_1_EDX] = {
267 .feat_names = {
268 "fpu", "vme", "de", "pse",
269 "tsc", "msr", "pae", "mce",
270 "cx8", "apic", NULL, "sep",
271 "mtrr", "pge", "mca", "cmov",
272 "pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */,
273 NULL, "ds" /* Intel dts */, "acpi", "mmx",
274 "fxsr", "sse", "sse2", "ss",
275 "ht" /* Intel htt */, "tm", "ia64", "pbe",
276 },
277 .cpuid_eax = 1, .cpuid_reg = R_EDX,
278 .tcg_features = TCG_FEATURES,
279 },
280 [FEAT_1_ECX] = {
281 .feat_names = {
282 "pni" /* Intel,AMD sse3 */, "pclmulqdq", "dtes64", "monitor",
283 "ds-cpl", "vmx", "smx", "est",
284 "tm2", "ssse3", "cid", NULL,
285 "fma", "cx16", "xtpr", "pdcm",
286 NULL, "pcid", "dca", "sse4.1",
287 "sse4.2", "x2apic", "movbe", "popcnt",
288 "tsc-deadline", "aes", "xsave", "osxsave",
289 "avx", "f16c", "rdrand", "hypervisor",
290 },
291 .cpuid_eax = 1, .cpuid_reg = R_ECX,
292 .tcg_features = TCG_EXT_FEATURES,
293 },
294 /* Feature names that are already defined on feature_name[] but
295 * are set on CPUID[8000_0001].EDX on AMD CPUs don't have their
296 * names on feat_names below. They are copied automatically
297 * to features[FEAT_8000_0001_EDX] if and only if CPU vendor is AMD.
298 */
299 [FEAT_8000_0001_EDX] = {
300 .feat_names = {
301 NULL /* fpu */, NULL /* vme */, NULL /* de */, NULL /* pse */,
302 NULL /* tsc */, NULL /* msr */, NULL /* pae */, NULL /* mce */,
303 NULL /* cx8 */, NULL /* apic */, NULL, "syscall",
304 NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */,
305 NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */,
306 "nx", NULL, "mmxext", NULL /* mmx */,
307 NULL /* fxsr */, "fxsr-opt", "pdpe1gb", "rdtscp",
308 NULL, "lm", "3dnowext", "3dnow",
309 },
310 .cpuid_eax = 0x80000001, .cpuid_reg = R_EDX,
311 .tcg_features = TCG_EXT2_FEATURES,
312 },
313 [FEAT_8000_0001_ECX] = {
314 .feat_names = {
315 "lahf-lm", "cmp-legacy", "svm", "extapic",
316 "cr8legacy", "abm", "sse4a", "misalignsse",
317 "3dnowprefetch", "osvw", "ibs", "xop",
318 "skinit", "wdt", NULL, "lwp",
319 "fma4", "tce", NULL, "nodeid-msr",
320 NULL, "tbm", "topoext", "perfctr-core",
321 "perfctr-nb", NULL, NULL, NULL,
322 NULL, NULL, NULL, NULL,
323 },
324 .cpuid_eax = 0x80000001, .cpuid_reg = R_ECX,
325 .tcg_features = TCG_EXT3_FEATURES,
326 },
327 [FEAT_C000_0001_EDX] = {
328 .feat_names = {
329 NULL, NULL, "xstore", "xstore-en",
330 NULL, NULL, "xcrypt", "xcrypt-en",
331 "ace2", "ace2-en", "phe", "phe-en",
332 "pmm", "pmm-en", NULL, NULL,
333 NULL, NULL, NULL, NULL,
334 NULL, NULL, NULL, NULL,
335 NULL, NULL, NULL, NULL,
336 NULL, NULL, NULL, NULL,
337 },
338 .cpuid_eax = 0xC0000001, .cpuid_reg = R_EDX,
339 .tcg_features = TCG_EXT4_FEATURES,
340 },
341 [FEAT_KVM] = {
342 .feat_names = {
343 "kvmclock", "kvm-nopiodelay", "kvm-mmu", "kvmclock",
344 "kvm-asyncpf", "kvm-steal-time", "kvm-pv-eoi", "kvm-pv-unhalt",
345 NULL, NULL, NULL, NULL,
346 NULL, NULL, NULL, NULL,
347 NULL, NULL, NULL, NULL,
348 NULL, NULL, NULL, NULL,
349 "kvmclock-stable-bit", NULL, NULL, NULL,
350 NULL, NULL, NULL, NULL,
351 },
352 .cpuid_eax = KVM_CPUID_FEATURES, .cpuid_reg = R_EAX,
353 .tcg_features = TCG_KVM_FEATURES,
354 },
355 [FEAT_HYPERV_EAX] = {
356 .feat_names = {
357 NULL /* hv_msr_vp_runtime_access */, NULL /* hv_msr_time_refcount_access */,
358 NULL /* hv_msr_synic_access */, NULL /* hv_msr_stimer_access */,
359 NULL /* hv_msr_apic_access */, NULL /* hv_msr_hypercall_access */,
360 NULL /* hv_vpindex_access */, NULL /* hv_msr_reset_access */,
361 NULL /* hv_msr_stats_access */, NULL /* hv_reftsc_access */,
362 NULL /* hv_msr_idle_access */, NULL /* hv_msr_frequency_access */,
363 NULL, NULL, NULL, NULL,
364 NULL, NULL, NULL, NULL,
365 NULL, NULL, NULL, NULL,
366 NULL, NULL, NULL, NULL,
367 NULL, NULL, NULL, NULL,
368 },
369 .cpuid_eax = 0x40000003, .cpuid_reg = R_EAX,
370 },
371 [FEAT_HYPERV_EBX] = {
372 .feat_names = {
373 NULL /* hv_create_partitions */, NULL /* hv_access_partition_id */,
374 NULL /* hv_access_memory_pool */, NULL /* hv_adjust_message_buffers */,
375 NULL /* hv_post_messages */, NULL /* hv_signal_events */,
376 NULL /* hv_create_port */, NULL /* hv_connect_port */,
377 NULL /* hv_access_stats */, NULL, NULL, NULL /* hv_debugging */,
378 NULL /* hv_cpu_power_management */, NULL /* hv_configure_profiler */,
379 NULL, NULL,
380 NULL, NULL, NULL, NULL,
381 NULL, NULL, NULL, NULL,
382 NULL, NULL, NULL, NULL,
383 NULL, NULL, NULL, NULL,
384 },
385 .cpuid_eax = 0x40000003, .cpuid_reg = R_EBX,
386 },
387 [FEAT_HYPERV_EDX] = {
388 .feat_names = {
389 NULL /* hv_mwait */, NULL /* hv_guest_debugging */,
390 NULL /* hv_perf_monitor */, NULL /* hv_cpu_dynamic_part */,
391 NULL /* hv_hypercall_params_xmm */, NULL /* hv_guest_idle_state */,
392 NULL, NULL,
393 NULL, NULL, NULL /* hv_guest_crash_msr */, NULL,
394 NULL, NULL, NULL, NULL,
395 NULL, NULL, NULL, NULL,
396 NULL, NULL, NULL, NULL,
397 NULL, NULL, NULL, NULL,
398 NULL, NULL, NULL, NULL,
399 },
400 .cpuid_eax = 0x40000003, .cpuid_reg = R_EDX,
401 },
402 [FEAT_SVM] = {
403 .feat_names = {
404 "npt", "lbrv", "svm-lock", "nrip-save",
405 "tsc-scale", "vmcb-clean", "flushbyasid", "decodeassists",
406 NULL, NULL, "pause-filter", NULL,
407 "pfthreshold", NULL, NULL, NULL,
408 NULL, NULL, NULL, NULL,
409 NULL, NULL, NULL, NULL,
410 NULL, NULL, NULL, NULL,
411 NULL, NULL, NULL, NULL,
412 },
413 .cpuid_eax = 0x8000000A, .cpuid_reg = R_EDX,
414 .tcg_features = TCG_SVM_FEATURES,
415 },
416 [FEAT_7_0_EBX] = {
417 .feat_names = {
418 "fsgsbase", "tsc-adjust", NULL, "bmi1",
419 "hle", "avx2", NULL, "smep",
420 "bmi2", "erms", "invpcid", "rtm",
421 NULL, NULL, "mpx", NULL,
422 "avx512f", "avx512dq", "rdseed", "adx",
423 "smap", "avx512ifma", "pcommit", "clflushopt",
424 "clwb", NULL, "avx512pf", "avx512er",
425 "avx512cd", NULL, "avx512bw", "avx512vl",
426 },
427 .cpuid_eax = 7,
428 .cpuid_needs_ecx = true, .cpuid_ecx = 0,
429 .cpuid_reg = R_EBX,
430 .tcg_features = TCG_7_0_EBX_FEATURES,
431 },
432 [FEAT_7_0_ECX] = {
433 .feat_names = {
434 NULL, "avx512vbmi", "umip", "pku",
435 "ospke", NULL, NULL, NULL,
436 NULL, NULL, NULL, NULL,
437 NULL, NULL, NULL, NULL,
438 NULL, NULL, NULL, NULL,
439 NULL, NULL, "rdpid", NULL,
440 NULL, NULL, NULL, NULL,
441 NULL, NULL, NULL, NULL,
442 },
443 .cpuid_eax = 7,
444 .cpuid_needs_ecx = true, .cpuid_ecx = 0,
445 .cpuid_reg = R_ECX,
446 .tcg_features = TCG_7_0_ECX_FEATURES,
447 },
448 [FEAT_7_0_EDX] = {
449 .feat_names = {
450 NULL, NULL, "avx512-4vnniw", "avx512-4fmaps",
451 NULL, NULL, NULL, NULL,
452 NULL, NULL, NULL, NULL,
453 NULL, NULL, NULL, NULL,
454 NULL, NULL, NULL, NULL,
455 NULL, NULL, NULL, NULL,
456 NULL, NULL, NULL, NULL,
457 NULL, NULL, NULL, NULL,
458 },
459 .cpuid_eax = 7,
460 .cpuid_needs_ecx = true, .cpuid_ecx = 0,
461 .cpuid_reg = R_EDX,
462 .tcg_features = TCG_7_0_EDX_FEATURES,
463 },
464 [FEAT_8000_0007_EDX] = {
465 .feat_names = {
466 NULL, NULL, NULL, NULL,
467 NULL, NULL, NULL, NULL,
468 "invtsc", NULL, NULL, NULL,
469 NULL, NULL, NULL, NULL,
470 NULL, NULL, NULL, NULL,
471 NULL, NULL, NULL, NULL,
472 NULL, NULL, NULL, NULL,
473 NULL, NULL, NULL, NULL,
474 },
475 .cpuid_eax = 0x80000007,
476 .cpuid_reg = R_EDX,
477 .tcg_features = TCG_APM_FEATURES,
478 .unmigratable_flags = CPUID_APM_INVTSC,
479 },
480 [FEAT_XSAVE] = {
481 .feat_names = {
482 "xsaveopt", "xsavec", "xgetbv1", "xsaves",
483 NULL, NULL, NULL, NULL,
484 NULL, NULL, NULL, NULL,
485 NULL, NULL, NULL, NULL,
486 NULL, NULL, NULL, NULL,
487 NULL, NULL, NULL, NULL,
488 NULL, NULL, NULL, NULL,
489 NULL, NULL, NULL, NULL,
490 },
491 .cpuid_eax = 0xd,
492 .cpuid_needs_ecx = true, .cpuid_ecx = 1,
493 .cpuid_reg = R_EAX,
494 .tcg_features = TCG_XSAVE_FEATURES,
495 },
496 [FEAT_6_EAX] = {
497 .feat_names = {
498 NULL, NULL, "arat", NULL,
499 NULL, NULL, NULL, NULL,
500 NULL, NULL, NULL, NULL,
501 NULL, NULL, NULL, NULL,
502 NULL, NULL, NULL, NULL,
503 NULL, NULL, NULL, NULL,
504 NULL, NULL, NULL, NULL,
505 NULL, NULL, NULL, NULL,
506 },
507 .cpuid_eax = 6, .cpuid_reg = R_EAX,
508 .tcg_features = TCG_6_EAX_FEATURES,
509 },
510 [FEAT_XSAVE_COMP_LO] = {
511 .cpuid_eax = 0xD,
512 .cpuid_needs_ecx = true, .cpuid_ecx = 0,
513 .cpuid_reg = R_EAX,
514 .tcg_features = ~0U,
515 .migratable_flags = XSTATE_FP_MASK | XSTATE_SSE_MASK |
516 XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | XSTATE_BNDCSR_MASK |
517 XSTATE_OPMASK_MASK | XSTATE_ZMM_Hi256_MASK | XSTATE_Hi16_ZMM_MASK |
518 XSTATE_PKRU_MASK,
519 },
520 [FEAT_XSAVE_COMP_HI] = {
521 .cpuid_eax = 0xD,
522 .cpuid_needs_ecx = true, .cpuid_ecx = 0,
523 .cpuid_reg = R_EDX,
524 .tcg_features = ~0U,
525 },
526 };
527
528 typedef struct X86RegisterInfo32 {
529 /* Name of register */
530 const char *name;
531 /* QAPI enum value register */
532 X86CPURegister32 qapi_enum;
533 } X86RegisterInfo32;
534
535 #define REGISTER(reg) \
536 [R_##reg] = { .name = #reg, .qapi_enum = X86_CPU_REGISTER32_##reg }
537 static const X86RegisterInfo32 x86_reg_info_32[CPU_NB_REGS32] = {
538 REGISTER(EAX),
539 REGISTER(ECX),
540 REGISTER(EDX),
541 REGISTER(EBX),
542 REGISTER(ESP),
543 REGISTER(EBP),
544 REGISTER(ESI),
545 REGISTER(EDI),
546 };
547 #undef REGISTER
548
549 typedef struct ExtSaveArea {
550 uint32_t feature, bits;
551 uint32_t offset, size;
552 } ExtSaveArea;
553
554 static const ExtSaveArea x86_ext_save_areas[] = {
555 [XSTATE_FP_BIT] = {
556 /* x87 FP state component is always enabled if XSAVE is supported */
557 .feature = FEAT_1_ECX, .bits = CPUID_EXT_XSAVE,
558 /* x87 state is in the legacy region of the XSAVE area */
559 .offset = 0,
560 .size = sizeof(X86LegacyXSaveArea) + sizeof(X86XSaveHeader),
561 },
562 [XSTATE_SSE_BIT] = {
563 /* SSE state component is always enabled if XSAVE is supported */
564 .feature = FEAT_1_ECX, .bits = CPUID_EXT_XSAVE,
565 /* SSE state is in the legacy region of the XSAVE area */
566 .offset = 0,
567 .size = sizeof(X86LegacyXSaveArea) + sizeof(X86XSaveHeader),
568 },
569 [XSTATE_YMM_BIT] =
570 { .feature = FEAT_1_ECX, .bits = CPUID_EXT_AVX,
571 .offset = offsetof(X86XSaveArea, avx_state),
572 .size = sizeof(XSaveAVX) },
573 [XSTATE_BNDREGS_BIT] =
574 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
575 .offset = offsetof(X86XSaveArea, bndreg_state),
576 .size = sizeof(XSaveBNDREG) },
577 [XSTATE_BNDCSR_BIT] =
578 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
579 .offset = offsetof(X86XSaveArea, bndcsr_state),
580 .size = sizeof(XSaveBNDCSR) },
581 [XSTATE_OPMASK_BIT] =
582 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
583 .offset = offsetof(X86XSaveArea, opmask_state),
584 .size = sizeof(XSaveOpmask) },
585 [XSTATE_ZMM_Hi256_BIT] =
586 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
587 .offset = offsetof(X86XSaveArea, zmm_hi256_state),
588 .size = sizeof(XSaveZMM_Hi256) },
589 [XSTATE_Hi16_ZMM_BIT] =
590 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
591 .offset = offsetof(X86XSaveArea, hi16_zmm_state),
592 .size = sizeof(XSaveHi16_ZMM) },
593 [XSTATE_PKRU_BIT] =
594 { .feature = FEAT_7_0_ECX, .bits = CPUID_7_0_ECX_PKU,
595 .offset = offsetof(X86XSaveArea, pkru_state),
596 .size = sizeof(XSavePKRU) },
597 };
598
599 static uint32_t xsave_area_size(uint64_t mask)
600 {
601 int i;
602 uint64_t ret = 0;
603
604 for (i = 0; i < ARRAY_SIZE(x86_ext_save_areas); i++) {
605 const ExtSaveArea *esa = &x86_ext_save_areas[i];
606 if ((mask >> i) & 1) {
607 ret = MAX(ret, esa->offset + esa->size);
608 }
609 }
610 return ret;
611 }
612
613 static inline uint64_t x86_cpu_xsave_components(X86CPU *cpu)
614 {
615 return ((uint64_t)cpu->env.features[FEAT_XSAVE_COMP_HI]) << 32 |
616 cpu->env.features[FEAT_XSAVE_COMP_LO];
617 }
618
619 const char *get_register_name_32(unsigned int reg)
620 {
621 if (reg >= CPU_NB_REGS32) {
622 return NULL;
623 }
624 return x86_reg_info_32[reg].name;
625 }
626
627 /*
628 * Returns the set of feature flags that are supported and migratable by
629 * QEMU, for a given FeatureWord.
630 */
631 static uint32_t x86_cpu_get_migratable_flags(FeatureWord w)
632 {
633 FeatureWordInfo *wi = &feature_word_info[w];
634 uint32_t r = 0;
635 int i;
636
637 for (i = 0; i < 32; i++) {
638 uint32_t f = 1U << i;
639
640 /* If the feature name is known, it is implicitly considered migratable,
641 * unless it is explicitly set in unmigratable_flags */
642 if ((wi->migratable_flags & f) ||
643 (wi->feat_names[i] && !(wi->unmigratable_flags & f))) {
644 r |= f;
645 }
646 }
647 return r;
648 }
649
650 void host_cpuid(uint32_t function, uint32_t count,
651 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
652 {
653 uint32_t vec[4];
654
655 #ifdef __x86_64__
656 asm volatile("cpuid"
657 : "=a"(vec[0]), "=b"(vec[1]),
658 "=c"(vec[2]), "=d"(vec[3])
659 : "0"(function), "c"(count) : "cc");
660 #elif defined(__i386__)
661 asm volatile("pusha \n\t"
662 "cpuid \n\t"
663 "mov %%eax, 0(%2) \n\t"
664 "mov %%ebx, 4(%2) \n\t"
665 "mov %%ecx, 8(%2) \n\t"
666 "mov %%edx, 12(%2) \n\t"
667 "popa"
668 : : "a"(function), "c"(count), "S"(vec)
669 : "memory", "cc");
670 #else
671 abort();
672 #endif
673
674 if (eax)
675 *eax = vec[0];
676 if (ebx)
677 *ebx = vec[1];
678 if (ecx)
679 *ecx = vec[2];
680 if (edx)
681 *edx = vec[3];
682 }
683
684 /* CPU class name definitions: */
685
686 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
687 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
688
689 /* Return type name for a given CPU model name
690 * Caller is responsible for freeing the returned string.
691 */
692 static char *x86_cpu_type_name(const char *model_name)
693 {
694 return g_strdup_printf(X86_CPU_TYPE_NAME("%s"), model_name);
695 }
696
697 static ObjectClass *x86_cpu_class_by_name(const char *cpu_model)
698 {
699 ObjectClass *oc;
700 char *typename;
701
702 if (cpu_model == NULL) {
703 return NULL;
704 }
705
706 typename = x86_cpu_type_name(cpu_model);
707 oc = object_class_by_name(typename);
708 g_free(typename);
709 return oc;
710 }
711
712 static char *x86_cpu_class_get_model_name(X86CPUClass *cc)
713 {
714 const char *class_name = object_class_get_name(OBJECT_CLASS(cc));
715 assert(g_str_has_suffix(class_name, X86_CPU_TYPE_SUFFIX));
716 return g_strndup(class_name,
717 strlen(class_name) - strlen(X86_CPU_TYPE_SUFFIX));
718 }
719
720 struct X86CPUDefinition {
721 const char *name;
722 uint32_t level;
723 uint32_t xlevel;
724 /* vendor is zero-terminated, 12 character ASCII string */
725 char vendor[CPUID_VENDOR_SZ + 1];
726 int family;
727 int model;
728 int stepping;
729 FeatureWordArray features;
730 char model_id[48];
731 };
732
733 static X86CPUDefinition builtin_x86_defs[] = {
734 {
735 .name = "qemu64",
736 .level = 0xd,
737 .vendor = CPUID_VENDOR_AMD,
738 .family = 6,
739 .model = 6,
740 .stepping = 3,
741 .features[FEAT_1_EDX] =
742 PPRO_FEATURES |
743 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
744 CPUID_PSE36,
745 .features[FEAT_1_ECX] =
746 CPUID_EXT_SSE3 | CPUID_EXT_CX16,
747 .features[FEAT_8000_0001_EDX] =
748 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
749 .features[FEAT_8000_0001_ECX] =
750 CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM,
751 .xlevel = 0x8000000A,
752 .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION,
753 },
754 {
755 .name = "phenom",
756 .level = 5,
757 .vendor = CPUID_VENDOR_AMD,
758 .family = 16,
759 .model = 2,
760 .stepping = 3,
761 /* Missing: CPUID_HT */
762 .features[FEAT_1_EDX] =
763 PPRO_FEATURES |
764 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
765 CPUID_PSE36 | CPUID_VME,
766 .features[FEAT_1_ECX] =
767 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 |
768 CPUID_EXT_POPCNT,
769 .features[FEAT_8000_0001_EDX] =
770 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX |
771 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT |
772 CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP,
773 /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
774 CPUID_EXT3_CR8LEG,
775 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
776 CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
777 .features[FEAT_8000_0001_ECX] =
778 CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
779 CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
780 /* Missing: CPUID_SVM_LBRV */
781 .features[FEAT_SVM] =
782 CPUID_SVM_NPT,
783 .xlevel = 0x8000001A,
784 .model_id = "AMD Phenom(tm) 9550 Quad-Core Processor"
785 },
786 {
787 .name = "core2duo",
788 .level = 10,
789 .vendor = CPUID_VENDOR_INTEL,
790 .family = 6,
791 .model = 15,
792 .stepping = 11,
793 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
794 .features[FEAT_1_EDX] =
795 PPRO_FEATURES |
796 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
797 CPUID_PSE36 | CPUID_VME | CPUID_ACPI | CPUID_SS,
798 /* Missing: CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_EST,
799 * CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_VMX */
800 .features[FEAT_1_ECX] =
801 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
802 CPUID_EXT_CX16,
803 .features[FEAT_8000_0001_EDX] =
804 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
805 .features[FEAT_8000_0001_ECX] =
806 CPUID_EXT3_LAHF_LM,
807 .xlevel = 0x80000008,
808 .model_id = "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz",
809 },
810 {
811 .name = "kvm64",
812 .level = 0xd,
813 .vendor = CPUID_VENDOR_INTEL,
814 .family = 15,
815 .model = 6,
816 .stepping = 1,
817 /* Missing: CPUID_HT */
818 .features[FEAT_1_EDX] =
819 PPRO_FEATURES | CPUID_VME |
820 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
821 CPUID_PSE36,
822 /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
823 .features[FEAT_1_ECX] =
824 CPUID_EXT_SSE3 | CPUID_EXT_CX16,
825 /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
826 .features[FEAT_8000_0001_EDX] =
827 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
828 /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
829 CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
830 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
831 CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
832 .features[FEAT_8000_0001_ECX] =
833 0,
834 .xlevel = 0x80000008,
835 .model_id = "Common KVM processor"
836 },
837 {
838 .name = "qemu32",
839 .level = 4,
840 .vendor = CPUID_VENDOR_INTEL,
841 .family = 6,
842 .model = 6,
843 .stepping = 3,
844 .features[FEAT_1_EDX] =
845 PPRO_FEATURES,
846 .features[FEAT_1_ECX] =
847 CPUID_EXT_SSE3,
848 .xlevel = 0x80000004,
849 .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION,
850 },
851 {
852 .name = "kvm32",
853 .level = 5,
854 .vendor = CPUID_VENDOR_INTEL,
855 .family = 15,
856 .model = 6,
857 .stepping = 1,
858 .features[FEAT_1_EDX] =
859 PPRO_FEATURES | CPUID_VME |
860 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36,
861 .features[FEAT_1_ECX] =
862 CPUID_EXT_SSE3,
863 .features[FEAT_8000_0001_ECX] =
864 0,
865 .xlevel = 0x80000008,
866 .model_id = "Common 32-bit KVM processor"
867 },
868 {
869 .name = "coreduo",
870 .level = 10,
871 .vendor = CPUID_VENDOR_INTEL,
872 .family = 6,
873 .model = 14,
874 .stepping = 8,
875 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
876 .features[FEAT_1_EDX] =
877 PPRO_FEATURES | CPUID_VME |
878 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_ACPI |
879 CPUID_SS,
880 /* Missing: CPUID_EXT_EST, CPUID_EXT_TM2 , CPUID_EXT_XTPR,
881 * CPUID_EXT_PDCM, CPUID_EXT_VMX */
882 .features[FEAT_1_ECX] =
883 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR,
884 .features[FEAT_8000_0001_EDX] =
885 CPUID_EXT2_NX,
886 .xlevel = 0x80000008,
887 .model_id = "Genuine Intel(R) CPU T2600 @ 2.16GHz",
888 },
889 {
890 .name = "486",
891 .level = 1,
892 .vendor = CPUID_VENDOR_INTEL,
893 .family = 4,
894 .model = 8,
895 .stepping = 0,
896 .features[FEAT_1_EDX] =
897 I486_FEATURES,
898 .xlevel = 0,
899 },
900 {
901 .name = "pentium",
902 .level = 1,
903 .vendor = CPUID_VENDOR_INTEL,
904 .family = 5,
905 .model = 4,
906 .stepping = 3,
907 .features[FEAT_1_EDX] =
908 PENTIUM_FEATURES,
909 .xlevel = 0,
910 },
911 {
912 .name = "pentium2",
913 .level = 2,
914 .vendor = CPUID_VENDOR_INTEL,
915 .family = 6,
916 .model = 5,
917 .stepping = 2,
918 .features[FEAT_1_EDX] =
919 PENTIUM2_FEATURES,
920 .xlevel = 0,
921 },
922 {
923 .name = "pentium3",
924 .level = 3,
925 .vendor = CPUID_VENDOR_INTEL,
926 .family = 6,
927 .model = 7,
928 .stepping = 3,
929 .features[FEAT_1_EDX] =
930 PENTIUM3_FEATURES,
931 .xlevel = 0,
932 },
933 {
934 .name = "athlon",
935 .level = 2,
936 .vendor = CPUID_VENDOR_AMD,
937 .family = 6,
938 .model = 2,
939 .stepping = 3,
940 .features[FEAT_1_EDX] =
941 PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR |
942 CPUID_MCA,
943 .features[FEAT_8000_0001_EDX] =
944 CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT,
945 .xlevel = 0x80000008,
946 .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION,
947 },
948 {
949 .name = "n270",
950 .level = 10,
951 .vendor = CPUID_VENDOR_INTEL,
952 .family = 6,
953 .model = 28,
954 .stepping = 2,
955 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
956 .features[FEAT_1_EDX] =
957 PPRO_FEATURES |
958 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME |
959 CPUID_ACPI | CPUID_SS,
960 /* Some CPUs got no CPUID_SEP */
961 /* Missing: CPUID_EXT_DSCPL, CPUID_EXT_EST, CPUID_EXT_TM2,
962 * CPUID_EXT_XTPR */
963 .features[FEAT_1_ECX] =
964 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
965 CPUID_EXT_MOVBE,
966 .features[FEAT_8000_0001_EDX] =
967 CPUID_EXT2_NX,
968 .features[FEAT_8000_0001_ECX] =
969 CPUID_EXT3_LAHF_LM,
970 .xlevel = 0x80000008,
971 .model_id = "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
972 },
973 {
974 .name = "Conroe",
975 .level = 10,
976 .vendor = CPUID_VENDOR_INTEL,
977 .family = 6,
978 .model = 15,
979 .stepping = 3,
980 .features[FEAT_1_EDX] =
981 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
982 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
983 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
984 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
985 CPUID_DE | CPUID_FP87,
986 .features[FEAT_1_ECX] =
987 CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
988 .features[FEAT_8000_0001_EDX] =
989 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
990 .features[FEAT_8000_0001_ECX] =
991 CPUID_EXT3_LAHF_LM,
992 .xlevel = 0x80000008,
993 .model_id = "Intel Celeron_4x0 (Conroe/Merom Class Core 2)",
994 },
995 {
996 .name = "Penryn",
997 .level = 10,
998 .vendor = CPUID_VENDOR_INTEL,
999 .family = 6,
1000 .model = 23,
1001 .stepping = 3,
1002 .features[FEAT_1_EDX] =
1003 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1004 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1005 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1006 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1007 CPUID_DE | CPUID_FP87,
1008 .features[FEAT_1_ECX] =
1009 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1010 CPUID_EXT_SSE3,
1011 .features[FEAT_8000_0001_EDX] =
1012 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
1013 .features[FEAT_8000_0001_ECX] =
1014 CPUID_EXT3_LAHF_LM,
1015 .xlevel = 0x80000008,
1016 .model_id = "Intel Core 2 Duo P9xxx (Penryn Class Core 2)",
1017 },
1018 {
1019 .name = "Nehalem",
1020 .level = 11,
1021 .vendor = CPUID_VENDOR_INTEL,
1022 .family = 6,
1023 .model = 26,
1024 .stepping = 3,
1025 .features[FEAT_1_EDX] =
1026 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1027 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1028 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1029 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1030 CPUID_DE | CPUID_FP87,
1031 .features[FEAT_1_ECX] =
1032 CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1033 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
1034 .features[FEAT_8000_0001_EDX] =
1035 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
1036 .features[FEAT_8000_0001_ECX] =
1037 CPUID_EXT3_LAHF_LM,
1038 .xlevel = 0x80000008,
1039 .model_id = "Intel Core i7 9xx (Nehalem Class Core i7)",
1040 },
1041 {
1042 .name = "Westmere",
1043 .level = 11,
1044 .vendor = CPUID_VENDOR_INTEL,
1045 .family = 6,
1046 .model = 44,
1047 .stepping = 1,
1048 .features[FEAT_1_EDX] =
1049 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1050 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1051 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1052 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1053 CPUID_DE | CPUID_FP87,
1054 .features[FEAT_1_ECX] =
1055 CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
1056 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1057 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
1058 .features[FEAT_8000_0001_EDX] =
1059 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
1060 .features[FEAT_8000_0001_ECX] =
1061 CPUID_EXT3_LAHF_LM,
1062 .features[FEAT_6_EAX] =
1063 CPUID_6_EAX_ARAT,
1064 .xlevel = 0x80000008,
1065 .model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
1066 },
1067 {
1068 .name = "SandyBridge",
1069 .level = 0xd,
1070 .vendor = CPUID_VENDOR_INTEL,
1071 .family = 6,
1072 .model = 42,
1073 .stepping = 1,
1074 .features[FEAT_1_EDX] =
1075 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1076 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1077 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1078 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1079 CPUID_DE | CPUID_FP87,
1080 .features[FEAT_1_ECX] =
1081 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1082 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
1083 CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1084 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
1085 CPUID_EXT_SSE3,
1086 .features[FEAT_8000_0001_EDX] =
1087 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1088 CPUID_EXT2_SYSCALL,
1089 .features[FEAT_8000_0001_ECX] =
1090 CPUID_EXT3_LAHF_LM,
1091 .features[FEAT_XSAVE] =
1092 CPUID_XSAVE_XSAVEOPT,
1093 .features[FEAT_6_EAX] =
1094 CPUID_6_EAX_ARAT,
1095 .xlevel = 0x80000008,
1096 .model_id = "Intel Xeon E312xx (Sandy Bridge)",
1097 },
1098 {
1099 .name = "IvyBridge",
1100 .level = 0xd,
1101 .vendor = CPUID_VENDOR_INTEL,
1102 .family = 6,
1103 .model = 58,
1104 .stepping = 9,
1105 .features[FEAT_1_EDX] =
1106 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1107 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1108 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1109 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1110 CPUID_DE | CPUID_FP87,
1111 .features[FEAT_1_ECX] =
1112 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1113 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
1114 CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1115 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
1116 CPUID_EXT_SSE3 | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1117 .features[FEAT_7_0_EBX] =
1118 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_SMEP |
1119 CPUID_7_0_EBX_ERMS,
1120 .features[FEAT_8000_0001_EDX] =
1121 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1122 CPUID_EXT2_SYSCALL,
1123 .features[FEAT_8000_0001_ECX] =
1124 CPUID_EXT3_LAHF_LM,
1125 .features[FEAT_XSAVE] =
1126 CPUID_XSAVE_XSAVEOPT,
1127 .features[FEAT_6_EAX] =
1128 CPUID_6_EAX_ARAT,
1129 .xlevel = 0x80000008,
1130 .model_id = "Intel Xeon E3-12xx v2 (Ivy Bridge)",
1131 },
1132 {
1133 .name = "Haswell-noTSX",
1134 .level = 0xd,
1135 .vendor = CPUID_VENDOR_INTEL,
1136 .family = 6,
1137 .model = 60,
1138 .stepping = 1,
1139 .features[FEAT_1_EDX] =
1140 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1141 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1142 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1143 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1144 CPUID_DE | CPUID_FP87,
1145 .features[FEAT_1_ECX] =
1146 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1147 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1148 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1149 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1150 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1151 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1152 .features[FEAT_8000_0001_EDX] =
1153 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1154 CPUID_EXT2_SYSCALL,
1155 .features[FEAT_8000_0001_ECX] =
1156 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM,
1157 .features[FEAT_7_0_EBX] =
1158 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1159 CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1160 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID,
1161 .features[FEAT_XSAVE] =
1162 CPUID_XSAVE_XSAVEOPT,
1163 .features[FEAT_6_EAX] =
1164 CPUID_6_EAX_ARAT,
1165 .xlevel = 0x80000008,
1166 .model_id = "Intel Core Processor (Haswell, no TSX)",
1167 }, {
1168 .name = "Haswell",
1169 .level = 0xd,
1170 .vendor = CPUID_VENDOR_INTEL,
1171 .family = 6,
1172 .model = 60,
1173 .stepping = 1,
1174 .features[FEAT_1_EDX] =
1175 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1176 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1177 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1178 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1179 CPUID_DE | CPUID_FP87,
1180 .features[FEAT_1_ECX] =
1181 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1182 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1183 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1184 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1185 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1186 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1187 .features[FEAT_8000_0001_EDX] =
1188 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1189 CPUID_EXT2_SYSCALL,
1190 .features[FEAT_8000_0001_ECX] =
1191 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM,
1192 .features[FEAT_7_0_EBX] =
1193 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1194 CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1195 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1196 CPUID_7_0_EBX_RTM,
1197 .features[FEAT_XSAVE] =
1198 CPUID_XSAVE_XSAVEOPT,
1199 .features[FEAT_6_EAX] =
1200 CPUID_6_EAX_ARAT,
1201 .xlevel = 0x80000008,
1202 .model_id = "Intel Core Processor (Haswell)",
1203 },
1204 {
1205 .name = "Broadwell-noTSX",
1206 .level = 0xd,
1207 .vendor = CPUID_VENDOR_INTEL,
1208 .family = 6,
1209 .model = 61,
1210 .stepping = 2,
1211 .features[FEAT_1_EDX] =
1212 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1213 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1214 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1215 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1216 CPUID_DE | CPUID_FP87,
1217 .features[FEAT_1_ECX] =
1218 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1219 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1220 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1221 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1222 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1223 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1224 .features[FEAT_8000_0001_EDX] =
1225 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1226 CPUID_EXT2_SYSCALL,
1227 .features[FEAT_8000_0001_ECX] =
1228 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
1229 .features[FEAT_7_0_EBX] =
1230 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1231 CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1232 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1233 CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
1234 CPUID_7_0_EBX_SMAP,
1235 .features[FEAT_XSAVE] =
1236 CPUID_XSAVE_XSAVEOPT,
1237 .features[FEAT_6_EAX] =
1238 CPUID_6_EAX_ARAT,
1239 .xlevel = 0x80000008,
1240 .model_id = "Intel Core Processor (Broadwell, no TSX)",
1241 },
1242 {
1243 .name = "Broadwell",
1244 .level = 0xd,
1245 .vendor = CPUID_VENDOR_INTEL,
1246 .family = 6,
1247 .model = 61,
1248 .stepping = 2,
1249 .features[FEAT_1_EDX] =
1250 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1251 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1252 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1253 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1254 CPUID_DE | CPUID_FP87,
1255 .features[FEAT_1_ECX] =
1256 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1257 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1258 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1259 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1260 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1261 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1262 .features[FEAT_8000_0001_EDX] =
1263 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1264 CPUID_EXT2_SYSCALL,
1265 .features[FEAT_8000_0001_ECX] =
1266 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
1267 .features[FEAT_7_0_EBX] =
1268 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1269 CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1270 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1271 CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
1272 CPUID_7_0_EBX_SMAP,
1273 .features[FEAT_XSAVE] =
1274 CPUID_XSAVE_XSAVEOPT,
1275 .features[FEAT_6_EAX] =
1276 CPUID_6_EAX_ARAT,
1277 .xlevel = 0x80000008,
1278 .model_id = "Intel Core Processor (Broadwell)",
1279 },
1280 {
1281 .name = "Skylake-Client",
1282 .level = 0xd,
1283 .vendor = CPUID_VENDOR_INTEL,
1284 .family = 6,
1285 .model = 94,
1286 .stepping = 3,
1287 .features[FEAT_1_EDX] =
1288 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1289 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1290 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1291 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1292 CPUID_DE | CPUID_FP87,
1293 .features[FEAT_1_ECX] =
1294 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1295 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1296 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1297 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1298 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1299 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1300 .features[FEAT_8000_0001_EDX] =
1301 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1302 CPUID_EXT2_SYSCALL,
1303 .features[FEAT_8000_0001_ECX] =
1304 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
1305 .features[FEAT_7_0_EBX] =
1306 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1307 CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1308 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1309 CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
1310 CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX,
1311 /* Missing: XSAVES (not supported by some Linux versions,
1312 * including v4.1 to v4.6).
1313 * KVM doesn't yet expose any XSAVES state save component,
1314 * and the only one defined in Skylake (processor tracing)
1315 * probably will block migration anyway.
1316 */
1317 .features[FEAT_XSAVE] =
1318 CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
1319 CPUID_XSAVE_XGETBV1,
1320 .features[FEAT_6_EAX] =
1321 CPUID_6_EAX_ARAT,
1322 .xlevel = 0x80000008,
1323 .model_id = "Intel Core Processor (Skylake)",
1324 },
1325 {
1326 .name = "Opteron_G1",
1327 .level = 5,
1328 .vendor = CPUID_VENDOR_AMD,
1329 .family = 15,
1330 .model = 6,
1331 .stepping = 1,
1332 .features[FEAT_1_EDX] =
1333 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1334 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1335 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1336 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1337 CPUID_DE | CPUID_FP87,
1338 .features[FEAT_1_ECX] =
1339 CPUID_EXT_SSE3,
1340 .features[FEAT_8000_0001_EDX] =
1341 CPUID_EXT2_LM | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
1342 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
1343 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
1344 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
1345 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
1346 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
1347 .xlevel = 0x80000008,
1348 .model_id = "AMD Opteron 240 (Gen 1 Class Opteron)",
1349 },
1350 {
1351 .name = "Opteron_G2",
1352 .level = 5,
1353 .vendor = CPUID_VENDOR_AMD,
1354 .family = 15,
1355 .model = 6,
1356 .stepping = 1,
1357 .features[FEAT_1_EDX] =
1358 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1359 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1360 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1361 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1362 CPUID_DE | CPUID_FP87,
1363 .features[FEAT_1_ECX] =
1364 CPUID_EXT_CX16 | CPUID_EXT_SSE3,
1365 /* Missing: CPUID_EXT2_RDTSCP */
1366 .features[FEAT_8000_0001_EDX] =
1367 CPUID_EXT2_LM | CPUID_EXT2_FXSR |
1368 CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
1369 CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
1370 CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
1371 CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
1372 CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
1373 CPUID_EXT2_DE | CPUID_EXT2_FPU,
1374 .features[FEAT_8000_0001_ECX] =
1375 CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
1376 .xlevel = 0x80000008,
1377 .model_id = "AMD Opteron 22xx (Gen 2 Class Opteron)",
1378 },
1379 {
1380 .name = "Opteron_G3",
1381 .level = 5,
1382 .vendor = CPUID_VENDOR_AMD,
1383 .family = 16,
1384 .model = 2,
1385 .stepping = 3,
1386 .features[FEAT_1_EDX] =
1387 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1388 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1389 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1390 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1391 CPUID_DE | CPUID_FP87,
1392 .features[FEAT_1_ECX] =
1393 CPUID_EXT_POPCNT | CPUID_EXT_CX16 | CPUID_EXT_MONITOR |
1394 CPUID_EXT_SSE3,
1395 /* Missing: CPUID_EXT2_RDTSCP */
1396 .features[FEAT_8000_0001_EDX] =
1397 CPUID_EXT2_LM | CPUID_EXT2_FXSR |
1398 CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
1399 CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
1400 CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
1401 CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
1402 CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
1403 CPUID_EXT2_DE | CPUID_EXT2_FPU,
1404 .features[FEAT_8000_0001_ECX] =
1405 CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A |
1406 CPUID_EXT3_ABM | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
1407 .xlevel = 0x80000008,
1408 .model_id = "AMD Opteron 23xx (Gen 3 Class Opteron)",
1409 },
1410 {
1411 .name = "Opteron_G4",
1412 .level = 0xd,
1413 .vendor = CPUID_VENDOR_AMD,
1414 .family = 21,
1415 .model = 1,
1416 .stepping = 2,
1417 .features[FEAT_1_EDX] =
1418 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1419 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1420 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1421 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1422 CPUID_DE | CPUID_FP87,
1423 .features[FEAT_1_ECX] =
1424 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1425 CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1426 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
1427 CPUID_EXT_SSE3,
1428 /* Missing: CPUID_EXT2_RDTSCP */
1429 .features[FEAT_8000_0001_EDX] =
1430 CPUID_EXT2_LM |
1431 CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
1432 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
1433 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
1434 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
1435 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
1436 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
1437 .features[FEAT_8000_0001_ECX] =
1438 CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
1439 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
1440 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
1441 CPUID_EXT3_LAHF_LM,
1442 /* no xsaveopt! */
1443 .xlevel = 0x8000001A,
1444 .model_id = "AMD Opteron 62xx class CPU",
1445 },
1446 {
1447 .name = "Opteron_G5",
1448 .level = 0xd,
1449 .vendor = CPUID_VENDOR_AMD,
1450 .family = 21,
1451 .model = 2,
1452 .stepping = 0,
1453 .features[FEAT_1_EDX] =
1454 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1455 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1456 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1457 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1458 CPUID_DE | CPUID_FP87,
1459 .features[FEAT_1_ECX] =
1460 CPUID_EXT_F16C | CPUID_EXT_AVX | CPUID_EXT_XSAVE |
1461 CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
1462 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_FMA |
1463 CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
1464 /* Missing: CPUID_EXT2_RDTSCP */
1465 .features[FEAT_8000_0001_EDX] =
1466 CPUID_EXT2_LM |
1467 CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
1468 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
1469 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
1470 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
1471 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
1472 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
1473 .features[FEAT_8000_0001_ECX] =
1474 CPUID_EXT3_TBM | CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
1475 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
1476 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
1477 CPUID_EXT3_LAHF_LM,
1478 /* no xsaveopt! */
1479 .xlevel = 0x8000001A,
1480 .model_id = "AMD Opteron 63xx class CPU",
1481 },
1482 };
1483
1484 typedef struct PropValue {
1485 const char *prop, *value;
1486 } PropValue;
1487
1488 /* KVM-specific features that are automatically added/removed
1489 * from all CPU models when KVM is enabled.
1490 */
1491 static PropValue kvm_default_props[] = {
1492 { "kvmclock", "on" },
1493 { "kvm-nopiodelay", "on" },
1494 { "kvm-asyncpf", "on" },
1495 { "kvm-steal-time", "on" },
1496 { "kvm-pv-eoi", "on" },
1497 { "kvmclock-stable-bit", "on" },
1498 { "x2apic", "on" },
1499 { "acpi", "off" },
1500 { "monitor", "off" },
1501 { "svm", "off" },
1502 { NULL, NULL },
1503 };
1504
1505 /* TCG-specific defaults that override all CPU models when using TCG
1506 */
1507 static PropValue tcg_default_props[] = {
1508 { "vme", "off" },
1509 { NULL, NULL },
1510 };
1511
1512
1513 void x86_cpu_change_kvm_default(const char *prop, const char *value)
1514 {
1515 PropValue *pv;
1516 for (pv = kvm_default_props; pv->prop; pv++) {
1517 if (!strcmp(pv->prop, prop)) {
1518 pv->value = value;
1519 break;
1520 }
1521 }
1522
1523 /* It is valid to call this function only for properties that
1524 * are already present in the kvm_default_props table.
1525 */
1526 assert(pv->prop);
1527 }
1528
1529 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w,
1530 bool migratable_only);
1531
1532 #ifdef CONFIG_KVM
1533
1534 static bool lmce_supported(void)
1535 {
1536 uint64_t mce_cap;
1537
1538 if (kvm_ioctl(kvm_state, KVM_X86_GET_MCE_CAP_SUPPORTED, &mce_cap) < 0) {
1539 return false;
1540 }
1541
1542 return !!(mce_cap & MCG_LMCE_P);
1543 }
1544
1545 static int cpu_x86_fill_model_id(char *str)
1546 {
1547 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
1548 int i;
1549
1550 for (i = 0; i < 3; i++) {
1551 host_cpuid(0x80000002 + i, 0, &eax, &ebx, &ecx, &edx);
1552 memcpy(str + i * 16 + 0, &eax, 4);
1553 memcpy(str + i * 16 + 4, &ebx, 4);
1554 memcpy(str + i * 16 + 8, &ecx, 4);
1555 memcpy(str + i * 16 + 12, &edx, 4);
1556 }
1557 return 0;
1558 }
1559
1560 static X86CPUDefinition host_cpudef;
1561
1562 static Property host_x86_cpu_properties[] = {
1563 DEFINE_PROP_BOOL("migratable", X86CPU, migratable, true),
1564 DEFINE_PROP_BOOL("host-cache-info", X86CPU, cache_info_passthrough, false),
1565 DEFINE_PROP_END_OF_LIST()
1566 };
1567
1568 /* class_init for the "host" CPU model
1569 *
1570 * This function may be called before KVM is initialized.
1571 */
1572 static void host_x86_cpu_class_init(ObjectClass *oc, void *data)
1573 {
1574 DeviceClass *dc = DEVICE_CLASS(oc);
1575 X86CPUClass *xcc = X86_CPU_CLASS(oc);
1576 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
1577
1578 xcc->kvm_required = true;
1579
1580 host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);
1581 x86_cpu_vendor_words2str(host_cpudef.vendor, ebx, edx, ecx);
1582
1583 host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx);
1584 host_cpudef.family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF);
1585 host_cpudef.model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12);
1586 host_cpudef.stepping = eax & 0x0F;
1587
1588 cpu_x86_fill_model_id(host_cpudef.model_id);
1589
1590 xcc->cpu_def = &host_cpudef;
1591 xcc->model_description =
1592 "KVM processor with all supported host features "
1593 "(only available in KVM mode)";
1594
1595 /* level, xlevel, xlevel2, and the feature words are initialized on
1596 * instance_init, because they require KVM to be initialized.
1597 */
1598
1599 dc->props = host_x86_cpu_properties;
1600 /* Reason: host_x86_cpu_initfn() dies when !kvm_enabled() */
1601 dc->cannot_destroy_with_object_finalize_yet = true;
1602 }
1603
1604 static void host_x86_cpu_initfn(Object *obj)
1605 {
1606 X86CPU *cpu = X86_CPU(obj);
1607 CPUX86State *env = &cpu->env;
1608 KVMState *s = kvm_state;
1609
1610 /* We can't fill the features array here because we don't know yet if
1611 * "migratable" is true or false.
1612 */
1613 cpu->host_features = true;
1614
1615 /* If KVM is disabled, x86_cpu_realizefn() will report an error later */
1616 if (kvm_enabled()) {
1617 env->cpuid_min_level =
1618 kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX);
1619 env->cpuid_min_xlevel =
1620 kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX);
1621 env->cpuid_min_xlevel2 =
1622 kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX);
1623
1624 if (lmce_supported()) {
1625 object_property_set_bool(OBJECT(cpu), true, "lmce", &error_abort);
1626 }
1627 }
1628
1629 object_property_set_bool(OBJECT(cpu), true, "pmu", &error_abort);
1630 }
1631
1632 static const TypeInfo host_x86_cpu_type_info = {
1633 .name = X86_CPU_TYPE_NAME("host"),
1634 .parent = TYPE_X86_CPU,
1635 .instance_init = host_x86_cpu_initfn,
1636 .class_init = host_x86_cpu_class_init,
1637 };
1638
1639 #endif
1640
1641 static void report_unavailable_features(FeatureWord w, uint32_t mask)
1642 {
1643 FeatureWordInfo *f = &feature_word_info[w];
1644 int i;
1645
1646 for (i = 0; i < 32; ++i) {
1647 if ((1UL << i) & mask) {
1648 const char *reg = get_register_name_32(f->cpuid_reg);
1649 assert(reg);
1650 fprintf(stderr, "warning: %s doesn't support requested feature: "
1651 "CPUID.%02XH:%s%s%s [bit %d]\n",
1652 kvm_enabled() ? "host" : "TCG",
1653 f->cpuid_eax, reg,
1654 f->feat_names[i] ? "." : "",
1655 f->feat_names[i] ? f->feat_names[i] : "", i);
1656 }
1657 }
1658 }
1659
1660 static void x86_cpuid_version_get_family(Object *obj, Visitor *v,
1661 const char *name, void *opaque,
1662 Error **errp)
1663 {
1664 X86CPU *cpu = X86_CPU(obj);
1665 CPUX86State *env = &cpu->env;
1666 int64_t value;
1667
1668 value = (env->cpuid_version >> 8) & 0xf;
1669 if (value == 0xf) {
1670 value += (env->cpuid_version >> 20) & 0xff;
1671 }
1672 visit_type_int(v, name, &value, errp);
1673 }
1674
1675 static void x86_cpuid_version_set_family(Object *obj, Visitor *v,
1676 const char *name, void *opaque,
1677 Error **errp)
1678 {
1679 X86CPU *cpu = X86_CPU(obj);
1680 CPUX86State *env = &cpu->env;
1681 const int64_t min = 0;
1682 const int64_t max = 0xff + 0xf;
1683 Error *local_err = NULL;
1684 int64_t value;
1685
1686 visit_type_int(v, name, &value, &local_err);
1687 if (local_err) {
1688 error_propagate(errp, local_err);
1689 return;
1690 }
1691 if (value < min || value > max) {
1692 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1693 name ? name : "null", value, min, max);
1694 return;
1695 }
1696
1697 env->cpuid_version &= ~0xff00f00;
1698 if (value > 0x0f) {
1699 env->cpuid_version |= 0xf00 | ((value - 0x0f) << 20);
1700 } else {
1701 env->cpuid_version |= value << 8;
1702 }
1703 }
1704
1705 static void x86_cpuid_version_get_model(Object *obj, Visitor *v,
1706 const char *name, void *opaque,
1707 Error **errp)
1708 {
1709 X86CPU *cpu = X86_CPU(obj);
1710 CPUX86State *env = &cpu->env;
1711 int64_t value;
1712
1713 value = (env->cpuid_version >> 4) & 0xf;
1714 value |= ((env->cpuid_version >> 16) & 0xf) << 4;
1715 visit_type_int(v, name, &value, errp);
1716 }
1717
1718 static void x86_cpuid_version_set_model(Object *obj, Visitor *v,
1719 const char *name, void *opaque,
1720 Error **errp)
1721 {
1722 X86CPU *cpu = X86_CPU(obj);
1723 CPUX86State *env = &cpu->env;
1724 const int64_t min = 0;
1725 const int64_t max = 0xff;
1726 Error *local_err = NULL;
1727 int64_t value;
1728
1729 visit_type_int(v, name, &value, &local_err);
1730 if (local_err) {
1731 error_propagate(errp, local_err);
1732 return;
1733 }
1734 if (value < min || value > max) {
1735 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1736 name ? name : "null", value, min, max);
1737 return;
1738 }
1739
1740 env->cpuid_version &= ~0xf00f0;
1741 env->cpuid_version |= ((value & 0xf) << 4) | ((value >> 4) << 16);
1742 }
1743
1744 static void x86_cpuid_version_get_stepping(Object *obj, Visitor *v,
1745 const char *name, void *opaque,
1746 Error **errp)
1747 {
1748 X86CPU *cpu = X86_CPU(obj);
1749 CPUX86State *env = &cpu->env;
1750 int64_t value;
1751
1752 value = env->cpuid_version & 0xf;
1753 visit_type_int(v, name, &value, errp);
1754 }
1755
1756 static void x86_cpuid_version_set_stepping(Object *obj, Visitor *v,
1757 const char *name, void *opaque,
1758 Error **errp)
1759 {
1760 X86CPU *cpu = X86_CPU(obj);
1761 CPUX86State *env = &cpu->env;
1762 const int64_t min = 0;
1763 const int64_t max = 0xf;
1764 Error *local_err = NULL;
1765 int64_t value;
1766
1767 visit_type_int(v, name, &value, &local_err);
1768 if (local_err) {
1769 error_propagate(errp, local_err);
1770 return;
1771 }
1772 if (value < min || value > max) {
1773 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1774 name ? name : "null", value, min, max);
1775 return;
1776 }
1777
1778 env->cpuid_version &= ~0xf;
1779 env->cpuid_version |= value & 0xf;
1780 }
1781
1782 static char *x86_cpuid_get_vendor(Object *obj, Error **errp)
1783 {
1784 X86CPU *cpu = X86_CPU(obj);
1785 CPUX86State *env = &cpu->env;
1786 char *value;
1787
1788 value = g_malloc(CPUID_VENDOR_SZ + 1);
1789 x86_cpu_vendor_words2str(value, env->cpuid_vendor1, env->cpuid_vendor2,
1790 env->cpuid_vendor3);
1791 return value;
1792 }
1793
1794 static void x86_cpuid_set_vendor(Object *obj, const char *value,
1795 Error **errp)
1796 {
1797 X86CPU *cpu = X86_CPU(obj);
1798 CPUX86State *env = &cpu->env;
1799 int i;
1800
1801 if (strlen(value) != CPUID_VENDOR_SZ) {
1802 error_setg(errp, QERR_PROPERTY_VALUE_BAD, "", "vendor", value);
1803 return;
1804 }
1805
1806 env->cpuid_vendor1 = 0;
1807 env->cpuid_vendor2 = 0;
1808 env->cpuid_vendor3 = 0;
1809 for (i = 0; i < 4; i++) {
1810 env->cpuid_vendor1 |= ((uint8_t)value[i ]) << (8 * i);
1811 env->cpuid_vendor2 |= ((uint8_t)value[i + 4]) << (8 * i);
1812 env->cpuid_vendor3 |= ((uint8_t)value[i + 8]) << (8 * i);
1813 }
1814 }
1815
1816 static char *x86_cpuid_get_model_id(Object *obj, Error **errp)
1817 {
1818 X86CPU *cpu = X86_CPU(obj);
1819 CPUX86State *env = &cpu->env;
1820 char *value;
1821 int i;
1822
1823 value = g_malloc(48 + 1);
1824 for (i = 0; i < 48; i++) {
1825 value[i] = env->cpuid_model[i >> 2] >> (8 * (i & 3));
1826 }
1827 value[48] = '\0';
1828 return value;
1829 }
1830
1831 static void x86_cpuid_set_model_id(Object *obj, const char *model_id,
1832 Error **errp)
1833 {
1834 X86CPU *cpu = X86_CPU(obj);
1835 CPUX86State *env = &cpu->env;
1836 int c, len, i;
1837
1838 if (model_id == NULL) {
1839 model_id = "";
1840 }
1841 len = strlen(model_id);
1842 memset(env->cpuid_model, 0, 48);
1843 for (i = 0; i < 48; i++) {
1844 if (i >= len) {
1845 c = '\0';
1846 } else {
1847 c = (uint8_t)model_id[i];
1848 }
1849 env->cpuid_model[i >> 2] |= c << (8 * (i & 3));
1850 }
1851 }
1852
1853 static void x86_cpuid_get_tsc_freq(Object *obj, Visitor *v, const char *name,
1854 void *opaque, Error **errp)
1855 {
1856 X86CPU *cpu = X86_CPU(obj);
1857 int64_t value;
1858
1859 value = cpu->env.tsc_khz * 1000;
1860 visit_type_int(v, name, &value, errp);
1861 }
1862
1863 static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, const char *name,
1864 void *opaque, Error **errp)
1865 {
1866 X86CPU *cpu = X86_CPU(obj);
1867 const int64_t min = 0;
1868 const int64_t max = INT64_MAX;
1869 Error *local_err = NULL;
1870 int64_t value;
1871
1872 visit_type_int(v, name, &value, &local_err);
1873 if (local_err) {
1874 error_propagate(errp, local_err);
1875 return;
1876 }
1877 if (value < min || value > max) {
1878 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1879 name ? name : "null", value, min, max);
1880 return;
1881 }
1882
1883 cpu->env.tsc_khz = cpu->env.user_tsc_khz = value / 1000;
1884 }
1885
1886 /* Generic getter for "feature-words" and "filtered-features" properties */
1887 static void x86_cpu_get_feature_words(Object *obj, Visitor *v,
1888 const char *name, void *opaque,
1889 Error **errp)
1890 {
1891 uint32_t *array = (uint32_t *)opaque;
1892 FeatureWord w;
1893 X86CPUFeatureWordInfo word_infos[FEATURE_WORDS] = { };
1894 X86CPUFeatureWordInfoList list_entries[FEATURE_WORDS] = { };
1895 X86CPUFeatureWordInfoList *list = NULL;
1896
1897 for (w = 0; w < FEATURE_WORDS; w++) {
1898 FeatureWordInfo *wi = &feature_word_info[w];
1899 X86CPUFeatureWordInfo *qwi = &word_infos[w];
1900 qwi->cpuid_input_eax = wi->cpuid_eax;
1901 qwi->has_cpuid_input_ecx = wi->cpuid_needs_ecx;
1902 qwi->cpuid_input_ecx = wi->cpuid_ecx;
1903 qwi->cpuid_register = x86_reg_info_32[wi->cpuid_reg].qapi_enum;
1904 qwi->features = array[w];
1905
1906 /* List will be in reverse order, but order shouldn't matter */
1907 list_entries[w].next = list;
1908 list_entries[w].value = &word_infos[w];
1909 list = &list_entries[w];
1910 }
1911
1912 visit_type_X86CPUFeatureWordInfoList(v, "feature-words", &list, errp);
1913 }
1914
1915 static void x86_get_hv_spinlocks(Object *obj, Visitor *v, const char *name,
1916 void *opaque, Error **errp)
1917 {
1918 X86CPU *cpu = X86_CPU(obj);
1919 int64_t value = cpu->hyperv_spinlock_attempts;
1920
1921 visit_type_int(v, name, &value, errp);
1922 }
1923
1924 static void x86_set_hv_spinlocks(Object *obj, Visitor *v, const char *name,
1925 void *opaque, Error **errp)
1926 {
1927 const int64_t min = 0xFFF;
1928 const int64_t max = UINT_MAX;
1929 X86CPU *cpu = X86_CPU(obj);
1930 Error *err = NULL;
1931 int64_t value;
1932
1933 visit_type_int(v, name, &value, &err);
1934 if (err) {
1935 error_propagate(errp, err);
1936 return;
1937 }
1938
1939 if (value < min || value > max) {
1940 error_setg(errp, "Property %s.%s doesn't take value %" PRId64
1941 " (minimum: %" PRId64 ", maximum: %" PRId64 ")",
1942 object_get_typename(obj), name ? name : "null",
1943 value, min, max);
1944 return;
1945 }
1946 cpu->hyperv_spinlock_attempts = value;
1947 }
1948
1949 static PropertyInfo qdev_prop_spinlocks = {
1950 .name = "int",
1951 .get = x86_get_hv_spinlocks,
1952 .set = x86_set_hv_spinlocks,
1953 };
1954
1955 /* Convert all '_' in a feature string option name to '-', to make feature
1956 * name conform to QOM property naming rule, which uses '-' instead of '_'.
1957 */
1958 static inline void feat2prop(char *s)
1959 {
1960 while ((s = strchr(s, '_'))) {
1961 *s = '-';
1962 }
1963 }
1964
1965 /* Return the feature property name for a feature flag bit */
1966 static const char *x86_cpu_feature_name(FeatureWord w, int bitnr)
1967 {
1968 /* XSAVE components are automatically enabled by other features,
1969 * so return the original feature name instead
1970 */
1971 if (w == FEAT_XSAVE_COMP_LO || w == FEAT_XSAVE_COMP_HI) {
1972 int comp = (w == FEAT_XSAVE_COMP_HI) ? bitnr + 32 : bitnr;
1973
1974 if (comp < ARRAY_SIZE(x86_ext_save_areas) &&
1975 x86_ext_save_areas[comp].bits) {
1976 w = x86_ext_save_areas[comp].feature;
1977 bitnr = ctz32(x86_ext_save_areas[comp].bits);
1978 }
1979 }
1980
1981 assert(bitnr < 32);
1982 assert(w < FEATURE_WORDS);
1983 return feature_word_info[w].feat_names[bitnr];
1984 }
1985
1986 /* Compatibily hack to maintain legacy +-feat semantic,
1987 * where +-feat overwrites any feature set by
1988 * feat=on|feat even if the later is parsed after +-feat
1989 * (i.e. "-x2apic,x2apic=on" will result in x2apic disabled)
1990 */
1991 static GList *plus_features, *minus_features;
1992
1993 static gint compare_string(gconstpointer a, gconstpointer b)
1994 {
1995 return g_strcmp0(a, b);
1996 }
1997
1998 /* Parse "+feature,-feature,feature=foo" CPU feature string
1999 */
2000 static void x86_cpu_parse_featurestr(const char *typename, char *features,
2001 Error **errp)
2002 {
2003 char *featurestr; /* Single 'key=value" string being parsed */
2004 Error *local_err = NULL;
2005 static bool cpu_globals_initialized;
2006 bool ambiguous = false;
2007
2008 if (cpu_globals_initialized) {
2009 return;
2010 }
2011 cpu_globals_initialized = true;
2012
2013 if (!features) {
2014 return;
2015 }
2016
2017 for (featurestr = strtok(features, ",");
2018 featurestr && !local_err;
2019 featurestr = strtok(NULL, ",")) {
2020 const char *name;
2021 const char *val = NULL;
2022 char *eq = NULL;
2023 char num[32];
2024 GlobalProperty *prop;
2025
2026 /* Compatibility syntax: */
2027 if (featurestr[0] == '+') {
2028 plus_features = g_list_append(plus_features,
2029 g_strdup(featurestr + 1));
2030 continue;
2031 } else if (featurestr[0] == '-') {
2032 minus_features = g_list_append(minus_features,
2033 g_strdup(featurestr + 1));
2034 continue;
2035 }
2036
2037 eq = strchr(featurestr, '=');
2038 if (eq) {
2039 *eq++ = 0;
2040 val = eq;
2041 } else {
2042 val = "on";
2043 }
2044
2045 feat2prop(featurestr);
2046 name = featurestr;
2047
2048 if (g_list_find_custom(plus_features, name, compare_string)) {
2049 error_report("warning: Ambiguous CPU model string. "
2050 "Don't mix both \"+%s\" and \"%s=%s\"",
2051 name, name, val);
2052 ambiguous = true;
2053 }
2054 if (g_list_find_custom(minus_features, name, compare_string)) {
2055 error_report("warning: Ambiguous CPU model string. "
2056 "Don't mix both \"-%s\" and \"%s=%s\"",
2057 name, name, val);
2058 ambiguous = true;
2059 }
2060
2061 /* Special case: */
2062 if (!strcmp(name, "tsc-freq")) {
2063 int64_t tsc_freq;
2064 char *err;
2065
2066 tsc_freq = qemu_strtosz_suffix_unit(val, &err,
2067 QEMU_STRTOSZ_DEFSUFFIX_B, 1000);
2068 if (tsc_freq < 0 || *err) {
2069 error_setg(errp, "bad numerical value %s", val);
2070 return;
2071 }
2072 snprintf(num, sizeof(num), "%" PRId64, tsc_freq);
2073 val = num;
2074 name = "tsc-frequency";
2075 }
2076
2077 prop = g_new0(typeof(*prop), 1);
2078 prop->driver = typename;
2079 prop->property = g_strdup(name);
2080 prop->value = g_strdup(val);
2081 prop->errp = &error_fatal;
2082 qdev_prop_register_global(prop);
2083 }
2084
2085 if (ambiguous) {
2086 error_report("warning: Compatibility of ambiguous CPU model "
2087 "strings won't be kept on future QEMU versions");
2088 }
2089
2090 if (local_err) {
2091 error_propagate(errp, local_err);
2092 }
2093 }
2094
2095 static void x86_cpu_load_features(X86CPU *cpu, Error **errp);
2096 static int x86_cpu_filter_features(X86CPU *cpu);
2097
2098 /* Check for missing features that may prevent the CPU class from
2099 * running using the current machine and accelerator.
2100 */
2101 static void x86_cpu_class_check_missing_features(X86CPUClass *xcc,
2102 strList **missing_feats)
2103 {
2104 X86CPU *xc;
2105 FeatureWord w;
2106 Error *err = NULL;
2107 strList **next = missing_feats;
2108
2109 if (xcc->kvm_required && !kvm_enabled()) {
2110 strList *new = g_new0(strList, 1);
2111 new->value = g_strdup("kvm");;
2112 *missing_feats = new;
2113 return;
2114 }
2115
2116 xc = X86_CPU(object_new(object_class_get_name(OBJECT_CLASS(xcc))));
2117
2118 x86_cpu_load_features(xc, &err);
2119 if (err) {
2120 /* Errors at x86_cpu_load_features should never happen,
2121 * but in case it does, just report the model as not
2122 * runnable at all using the "type" property.
2123 */
2124 strList *new = g_new0(strList, 1);
2125 new->value = g_strdup("type");
2126 *next = new;
2127 next = &new->next;
2128 }
2129
2130 x86_cpu_filter_features(xc);
2131
2132 for (w = 0; w < FEATURE_WORDS; w++) {
2133 uint32_t filtered = xc->filtered_features[w];
2134 int i;
2135 for (i = 0; i < 32; i++) {
2136 if (filtered & (1UL << i)) {
2137 strList *new = g_new0(strList, 1);
2138 new->value = g_strdup(x86_cpu_feature_name(w, i));
2139 *next = new;
2140 next = &new->next;
2141 }
2142 }
2143 }
2144
2145 object_unref(OBJECT(xc));
2146 }
2147
2148 /* Print all cpuid feature names in featureset
2149 */
2150 static void listflags(FILE *f, fprintf_function print, const char **featureset)
2151 {
2152 int bit;
2153 bool first = true;
2154
2155 for (bit = 0; bit < 32; bit++) {
2156 if (featureset[bit]) {
2157 print(f, "%s%s", first ? "" : " ", featureset[bit]);
2158 first = false;
2159 }
2160 }
2161 }
2162
2163 /* Sort alphabetically by type name, listing kvm_required models last. */
2164 static gint x86_cpu_list_compare(gconstpointer a, gconstpointer b)
2165 {
2166 ObjectClass *class_a = (ObjectClass *)a;
2167 ObjectClass *class_b = (ObjectClass *)b;
2168 X86CPUClass *cc_a = X86_CPU_CLASS(class_a);
2169 X86CPUClass *cc_b = X86_CPU_CLASS(class_b);
2170 const char *name_a, *name_b;
2171
2172 if (cc_a->kvm_required != cc_b->kvm_required) {
2173 /* kvm_required items go last */
2174 return cc_a->kvm_required ? 1 : -1;
2175 } else {
2176 name_a = object_class_get_name(class_a);
2177 name_b = object_class_get_name(class_b);
2178 return strcmp(name_a, name_b);
2179 }
2180 }
2181
2182 static GSList *get_sorted_cpu_model_list(void)
2183 {
2184 GSList *list = object_class_get_list(TYPE_X86_CPU, false);
2185 list = g_slist_sort(list, x86_cpu_list_compare);
2186 return list;
2187 }
2188
2189 static void x86_cpu_list_entry(gpointer data, gpointer user_data)
2190 {
2191 ObjectClass *oc = data;
2192 X86CPUClass *cc = X86_CPU_CLASS(oc);
2193 CPUListState *s = user_data;
2194 char *name = x86_cpu_class_get_model_name(cc);
2195 const char *desc = cc->model_description;
2196 if (!desc) {
2197 desc = cc->cpu_def->model_id;
2198 }
2199
2200 (*s->cpu_fprintf)(s->file, "x86 %16s %-48s\n",
2201 name, desc);
2202 g_free(name);
2203 }
2204
2205 /* list available CPU models and flags */
2206 void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf)
2207 {
2208 int i;
2209 CPUListState s = {
2210 .file = f,
2211 .cpu_fprintf = cpu_fprintf,
2212 };
2213 GSList *list;
2214
2215 (*cpu_fprintf)(f, "Available CPUs:\n");
2216 list = get_sorted_cpu_model_list();
2217 g_slist_foreach(list, x86_cpu_list_entry, &s);
2218 g_slist_free(list);
2219
2220 (*cpu_fprintf)(f, "\nRecognized CPUID flags:\n");
2221 for (i = 0; i < ARRAY_SIZE(feature_word_info); i++) {
2222 FeatureWordInfo *fw = &feature_word_info[i];
2223
2224 (*cpu_fprintf)(f, " ");
2225 listflags(f, cpu_fprintf, fw->feat_names);
2226 (*cpu_fprintf)(f, "\n");
2227 }
2228 }
2229
2230 static void x86_cpu_definition_entry(gpointer data, gpointer user_data)
2231 {
2232 ObjectClass *oc = data;
2233 X86CPUClass *cc = X86_CPU_CLASS(oc);
2234 CpuDefinitionInfoList **cpu_list = user_data;
2235 CpuDefinitionInfoList *entry;
2236 CpuDefinitionInfo *info;
2237
2238 info = g_malloc0(sizeof(*info));
2239 info->name = x86_cpu_class_get_model_name(cc);
2240 x86_cpu_class_check_missing_features(cc, &info->unavailable_features);
2241 info->has_unavailable_features = true;
2242
2243 entry = g_malloc0(sizeof(*entry));
2244 entry->value = info;
2245 entry->next = *cpu_list;
2246 *cpu_list = entry;
2247 }
2248
2249 CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp)
2250 {
2251 CpuDefinitionInfoList *cpu_list = NULL;
2252 GSList *list = get_sorted_cpu_model_list();
2253 g_slist_foreach(list, x86_cpu_definition_entry, &cpu_list);
2254 g_slist_free(list);
2255 return cpu_list;
2256 }
2257
2258 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w,
2259 bool migratable_only)
2260 {
2261 FeatureWordInfo *wi = &feature_word_info[w];
2262 uint32_t r;
2263
2264 if (kvm_enabled()) {
2265 r = kvm_arch_get_supported_cpuid(kvm_state, wi->cpuid_eax,
2266 wi->cpuid_ecx,
2267 wi->cpuid_reg);
2268 } else if (tcg_enabled()) {
2269 r = wi->tcg_features;
2270 } else {
2271 return ~0;
2272 }
2273 if (migratable_only) {
2274 r &= x86_cpu_get_migratable_flags(w);
2275 }
2276 return r;
2277 }
2278
2279 /*
2280 * Filters CPU feature words based on host availability of each feature.
2281 *
2282 * Returns: 0 if all flags are supported by the host, non-zero otherwise.
2283 */
2284 static int x86_cpu_filter_features(X86CPU *cpu)
2285 {
2286 CPUX86State *env = &cpu->env;
2287 FeatureWord w;
2288 int rv = 0;
2289
2290 for (w = 0; w < FEATURE_WORDS; w++) {
2291 uint32_t host_feat =
2292 x86_cpu_get_supported_feature_word(w, false);
2293 uint32_t requested_features = env->features[w];
2294 env->features[w] &= host_feat;
2295 cpu->filtered_features[w] = requested_features & ~env->features[w];
2296 if (cpu->filtered_features[w]) {
2297 rv = 1;
2298 }
2299 }
2300
2301 return rv;
2302 }
2303
2304 static void x86_cpu_report_filtered_features(X86CPU *cpu)
2305 {
2306 FeatureWord w;
2307
2308 for (w = 0; w < FEATURE_WORDS; w++) {
2309 report_unavailable_features(w, cpu->filtered_features[w]);
2310 }
2311 }
2312
2313 static void x86_cpu_apply_props(X86CPU *cpu, PropValue *props)
2314 {
2315 PropValue *pv;
2316 for (pv = props; pv->prop; pv++) {
2317 if (!pv->value) {
2318 continue;
2319 }
2320 object_property_parse(OBJECT(cpu), pv->value, pv->prop,
2321 &error_abort);
2322 }
2323 }
2324
2325 /* Load data from X86CPUDefinition
2326 */
2327 static void x86_cpu_load_def(X86CPU *cpu, X86CPUDefinition *def, Error **errp)
2328 {
2329 CPUX86State *env = &cpu->env;
2330 const char *vendor;
2331 char host_vendor[CPUID_VENDOR_SZ + 1];
2332 FeatureWord w;
2333
2334 /* CPU models only set _minimum_ values for level/xlevel: */
2335 object_property_set_int(OBJECT(cpu), def->level, "min-level", errp);
2336 object_property_set_int(OBJECT(cpu), def->xlevel, "min-xlevel", errp);
2337
2338 object_property_set_int(OBJECT(cpu), def->family, "family", errp);
2339 object_property_set_int(OBJECT(cpu), def->model, "model", errp);
2340 object_property_set_int(OBJECT(cpu), def->stepping, "stepping", errp);
2341 object_property_set_str(OBJECT(cpu), def->model_id, "model-id", errp);
2342 for (w = 0; w < FEATURE_WORDS; w++) {
2343 env->features[w] = def->features[w];
2344 }
2345
2346 /* Special cases not set in the X86CPUDefinition structs: */
2347 if (kvm_enabled()) {
2348 if (!kvm_irqchip_in_kernel()) {
2349 x86_cpu_change_kvm_default("x2apic", "off");
2350 }
2351
2352 x86_cpu_apply_props(cpu, kvm_default_props);
2353 } else if (tcg_enabled()) {
2354 x86_cpu_apply_props(cpu, tcg_default_props);
2355 }
2356
2357 env->features[FEAT_1_ECX] |= CPUID_EXT_HYPERVISOR;
2358
2359 /* sysenter isn't supported in compatibility mode on AMD,
2360 * syscall isn't supported in compatibility mode on Intel.
2361 * Normally we advertise the actual CPU vendor, but you can
2362 * override this using the 'vendor' property if you want to use
2363 * KVM's sysenter/syscall emulation in compatibility mode and
2364 * when doing cross vendor migration
2365 */
2366 vendor = def->vendor;
2367 if (kvm_enabled()) {
2368 uint32_t ebx = 0, ecx = 0, edx = 0;
2369 host_cpuid(0, 0, NULL, &ebx, &ecx, &edx);
2370 x86_cpu_vendor_words2str(host_vendor, ebx, edx, ecx);
2371 vendor = host_vendor;
2372 }
2373
2374 object_property_set_str(OBJECT(cpu), vendor, "vendor", errp);
2375
2376 }
2377
2378 X86CPU *cpu_x86_init(const char *cpu_model)
2379 {
2380 return X86_CPU(cpu_generic_init(TYPE_X86_CPU, cpu_model));
2381 }
2382
2383 static void x86_cpu_cpudef_class_init(ObjectClass *oc, void *data)
2384 {
2385 X86CPUDefinition *cpudef = data;
2386 X86CPUClass *xcc = X86_CPU_CLASS(oc);
2387
2388 xcc->cpu_def = cpudef;
2389 }
2390
2391 static void x86_register_cpudef_type(X86CPUDefinition *def)
2392 {
2393 char *typename = x86_cpu_type_name(def->name);
2394 TypeInfo ti = {
2395 .name = typename,
2396 .parent = TYPE_X86_CPU,
2397 .class_init = x86_cpu_cpudef_class_init,
2398 .class_data = def,
2399 };
2400
2401 type_register(&ti);
2402 g_free(typename);
2403 }
2404
2405 #if !defined(CONFIG_USER_ONLY)
2406
2407 void cpu_clear_apic_feature(CPUX86State *env)
2408 {
2409 env->features[FEAT_1_EDX] &= ~CPUID_APIC;
2410 }
2411
2412 #endif /* !CONFIG_USER_ONLY */
2413
2414 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
2415 uint32_t *eax, uint32_t *ebx,
2416 uint32_t *ecx, uint32_t *edx)
2417 {
2418 X86CPU *cpu = x86_env_get_cpu(env);
2419 CPUState *cs = CPU(cpu);
2420 uint32_t pkg_offset;
2421
2422 /* test if maximum index reached */
2423 if (index & 0x80000000) {
2424 if (index > env->cpuid_xlevel) {
2425 if (env->cpuid_xlevel2 > 0) {
2426 /* Handle the Centaur's CPUID instruction. */
2427 if (index > env->cpuid_xlevel2) {
2428 index = env->cpuid_xlevel2;
2429 } else if (index < 0xC0000000) {
2430 index = env->cpuid_xlevel;
2431 }
2432 } else {
2433 /* Intel documentation states that invalid EAX input will
2434 * return the same information as EAX=cpuid_level
2435 * (Intel SDM Vol. 2A - Instruction Set Reference - CPUID)
2436 */
2437 index = env->cpuid_level;
2438 }
2439 }
2440 } else {
2441 if (index > env->cpuid_level)
2442 index = env->cpuid_level;
2443 }
2444
2445 switch(index) {
2446 case 0:
2447 *eax = env->cpuid_level;
2448 *ebx = env->cpuid_vendor1;
2449 *edx = env->cpuid_vendor2;
2450 *ecx = env->cpuid_vendor3;
2451 break;
2452 case 1:
2453 *eax = env->cpuid_version;
2454 *ebx = (cpu->apic_id << 24) |
2455 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */
2456 *ecx = env->features[FEAT_1_ECX];
2457 if ((*ecx & CPUID_EXT_XSAVE) && (env->cr[4] & CR4_OSXSAVE_MASK)) {
2458 *ecx |= CPUID_EXT_OSXSAVE;
2459 }
2460 *edx = env->features[FEAT_1_EDX];
2461 if (cs->nr_cores * cs->nr_threads > 1) {
2462 *ebx |= (cs->nr_cores * cs->nr_threads) << 16;
2463 *edx |= CPUID_HT;
2464 }
2465 break;
2466 case 2:
2467 /* cache info: needed for Pentium Pro compatibility */
2468 if (cpu->cache_info_passthrough) {
2469 host_cpuid(index, 0, eax, ebx, ecx, edx);
2470 break;
2471 }
2472 *eax = 1; /* Number of CPUID[EAX=2] calls required */
2473 *ebx = 0;
2474 if (!cpu->enable_l3_cache) {
2475 *ecx = 0;
2476 } else {
2477 *ecx = L3_N_DESCRIPTOR;
2478 }
2479 *edx = (L1D_DESCRIPTOR << 16) | \
2480 (L1I_DESCRIPTOR << 8) | \
2481 (L2_DESCRIPTOR);
2482 break;
2483 case 4:
2484 /* cache info: needed for Core compatibility */
2485 if (cpu->cache_info_passthrough) {
2486 host_cpuid(index, count, eax, ebx, ecx, edx);
2487 *eax &= ~0xFC000000;
2488 } else {
2489 *eax = 0;
2490 switch (count) {
2491 case 0: /* L1 dcache info */
2492 *eax |= CPUID_4_TYPE_DCACHE | \
2493 CPUID_4_LEVEL(1) | \
2494 CPUID_4_SELF_INIT_LEVEL;
2495 *ebx = (L1D_LINE_SIZE - 1) | \
2496 ((L1D_PARTITIONS - 1) << 12) | \
2497 ((L1D_ASSOCIATIVITY - 1) << 22);
2498 *ecx = L1D_SETS - 1;
2499 *edx = CPUID_4_NO_INVD_SHARING;
2500 break;
2501 case 1: /* L1 icache info */
2502 *eax |= CPUID_4_TYPE_ICACHE | \
2503 CPUID_4_LEVEL(1) | \
2504 CPUID_4_SELF_INIT_LEVEL;
2505 *ebx = (L1I_LINE_SIZE - 1) | \
2506 ((L1I_PARTITIONS - 1) << 12) | \
2507 ((L1I_ASSOCIATIVITY - 1) << 22);
2508 *ecx = L1I_SETS - 1;
2509 *edx = CPUID_4_NO_INVD_SHARING;
2510 break;
2511 case 2: /* L2 cache info */
2512 *eax |= CPUID_4_TYPE_UNIFIED | \
2513 CPUID_4_LEVEL(2) | \
2514 CPUID_4_SELF_INIT_LEVEL;
2515 if (cs->nr_threads > 1) {
2516 *eax |= (cs->nr_threads - 1) << 14;
2517 }
2518 *ebx = (L2_LINE_SIZE - 1) | \
2519 ((L2_PARTITIONS - 1) << 12) | \
2520 ((L2_ASSOCIATIVITY - 1) << 22);
2521 *ecx = L2_SETS - 1;
2522 *edx = CPUID_4_NO_INVD_SHARING;
2523 break;
2524 case 3: /* L3 cache info */
2525 if (!cpu->enable_l3_cache) {
2526 *eax = 0;
2527 *ebx = 0;
2528 *ecx = 0;
2529 *edx = 0;
2530 break;
2531 }
2532 *eax |= CPUID_4_TYPE_UNIFIED | \
2533 CPUID_4_LEVEL(3) | \
2534 CPUID_4_SELF_INIT_LEVEL;
2535 pkg_offset = apicid_pkg_offset(cs->nr_cores, cs->nr_threads);
2536 *eax |= ((1 << pkg_offset) - 1) << 14;
2537 *ebx = (L3_N_LINE_SIZE - 1) | \
2538 ((L3_N_PARTITIONS - 1) << 12) | \
2539 ((L3_N_ASSOCIATIVITY - 1) << 22);
2540 *ecx = L3_N_SETS - 1;
2541 *edx = CPUID_4_INCLUSIVE | CPUID_4_COMPLEX_IDX;
2542 break;
2543 default: /* end of info */
2544 *eax = 0;
2545 *ebx = 0;
2546 *ecx = 0;
2547 *edx = 0;
2548 break;
2549 }
2550 }
2551
2552 /* QEMU gives out its own APIC IDs, never pass down bits 31..26. */
2553 if ((*eax & 31) && cs->nr_cores > 1) {
2554 *eax |= (cs->nr_cores - 1) << 26;
2555 }
2556 break;
2557 case 5:
2558 /* mwait info: needed for Core compatibility */
2559 *eax = 0; /* Smallest monitor-line size in bytes */
2560 *ebx = 0; /* Largest monitor-line size in bytes */
2561 *ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE;
2562 *edx = 0;
2563 break;
2564 case 6:
2565 /* Thermal and Power Leaf */
2566 *eax = env->features[FEAT_6_EAX];
2567 *ebx = 0;
2568 *ecx = 0;
2569 *edx = 0;
2570 break;
2571 case 7:
2572 /* Structured Extended Feature Flags Enumeration Leaf */
2573 if (count == 0) {
2574 *eax = 0; /* Maximum ECX value for sub-leaves */
2575 *ebx = env->features[FEAT_7_0_EBX]; /* Feature flags */
2576 *ecx = env->features[FEAT_7_0_ECX]; /* Feature flags */
2577 if ((*ecx & CPUID_7_0_ECX_PKU) && env->cr[4] & CR4_PKE_MASK) {
2578 *ecx |= CPUID_7_0_ECX_OSPKE;
2579 }
2580 *edx = env->features[FEAT_7_0_EDX]; /* Feature flags */
2581 } else {
2582 *eax = 0;
2583 *ebx = 0;
2584 *ecx = 0;
2585 *edx = 0;
2586 }
2587 break;
2588 case 9:
2589 /* Direct Cache Access Information Leaf */
2590 *eax = 0; /* Bits 0-31 in DCA_CAP MSR */
2591 *ebx = 0;
2592 *ecx = 0;
2593 *edx = 0;
2594 break;
2595 case 0xA:
2596 /* Architectural Performance Monitoring Leaf */
2597 if (kvm_enabled() && cpu->enable_pmu) {
2598 KVMState *s = cs->kvm_state;
2599
2600 *eax = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EAX);
2601 *ebx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EBX);
2602 *ecx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_ECX);
2603 *edx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EDX);
2604 } else {
2605 *eax = 0;
2606 *ebx = 0;
2607 *ecx = 0;
2608 *edx = 0;
2609 }
2610 break;
2611 case 0xB:
2612 /* Extended Topology Enumeration Leaf */
2613 if (!cpu->enable_cpuid_0xb) {
2614 *eax = *ebx = *ecx = *edx = 0;
2615 break;
2616 }
2617
2618 *ecx = count & 0xff;
2619 *edx = cpu->apic_id;
2620
2621 switch (count) {
2622 case 0:
2623 *eax = apicid_core_offset(cs->nr_cores, cs->nr_threads);
2624 *ebx = cs->nr_threads;
2625 *ecx |= CPUID_TOPOLOGY_LEVEL_SMT;
2626 break;
2627 case 1:
2628 *eax = apicid_pkg_offset(cs->nr_cores, cs->nr_threads);
2629 *ebx = cs->nr_cores * cs->nr_threads;
2630 *ecx |= CPUID_TOPOLOGY_LEVEL_CORE;
2631 break;
2632 default:
2633 *eax = 0;
2634 *ebx = 0;
2635 *ecx |= CPUID_TOPOLOGY_LEVEL_INVALID;
2636 }
2637
2638 assert(!(*eax & ~0x1f));
2639 *ebx &= 0xffff; /* The count doesn't need to be reliable. */
2640 break;
2641 case 0xD: {
2642 /* Processor Extended State */
2643 *eax = 0;
2644 *ebx = 0;
2645 *ecx = 0;
2646 *edx = 0;
2647 if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE)) {
2648 break;
2649 }
2650
2651 if (count == 0) {
2652 *ecx = xsave_area_size(x86_cpu_xsave_components(cpu));
2653 *eax = env->features[FEAT_XSAVE_COMP_LO];
2654 *edx = env->features[FEAT_XSAVE_COMP_HI];
2655 *ebx = *ecx;
2656 } else if (count == 1) {
2657 *eax = env->features[FEAT_XSAVE];
2658 } else if (count < ARRAY_SIZE(x86_ext_save_areas)) {
2659 if ((x86_cpu_xsave_components(cpu) >> count) & 1) {
2660 const ExtSaveArea *esa = &x86_ext_save_areas[count];
2661 *eax = esa->size;
2662 *ebx = esa->offset;
2663 }
2664 }
2665 break;
2666 }
2667 case 0x80000000:
2668 *eax = env->cpuid_xlevel;
2669 *ebx = env->cpuid_vendor1;
2670 *edx = env->cpuid_vendor2;
2671 *ecx = env->cpuid_vendor3;
2672 break;
2673 case 0x80000001:
2674 *eax = env->cpuid_version;
2675 *ebx = 0;
2676 *ecx = env->features[FEAT_8000_0001_ECX];
2677 *edx = env->features[FEAT_8000_0001_EDX];
2678
2679 /* The Linux kernel checks for the CMPLegacy bit and
2680 * discards multiple thread information if it is set.
2681 * So don't set it here for Intel to make Linux guests happy.
2682 */
2683 if (cs->nr_cores * cs->nr_threads > 1) {
2684 if (env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1 ||
2685 env->cpuid_vendor2 != CPUID_VENDOR_INTEL_2 ||
2686 env->cpuid_vendor3 != CPUID_VENDOR_INTEL_3) {
2687 *ecx |= 1 << 1; /* CmpLegacy bit */
2688 }
2689 }
2690 break;
2691 case 0x80000002:
2692 case 0x80000003:
2693 case 0x80000004:
2694 *eax = env->cpuid_model[(index - 0x80000002) * 4 + 0];
2695 *ebx = env->cpuid_model[(index - 0x80000002) * 4 + 1];
2696 *ecx = env->cpuid_model[(index - 0x80000002) * 4 + 2];
2697 *edx = env->cpuid_model[(index - 0x80000002) * 4 + 3];
2698 break;
2699 case 0x80000005:
2700 /* cache info (L1 cache) */
2701 if (cpu->cache_info_passthrough) {
2702 host_cpuid(index, 0, eax, ebx, ecx, edx);
2703 break;
2704 }
2705 *eax = (L1_DTLB_2M_ASSOC << 24) | (L1_DTLB_2M_ENTRIES << 16) | \
2706 (L1_ITLB_2M_ASSOC << 8) | (L1_ITLB_2M_ENTRIES);
2707 *ebx = (L1_DTLB_4K_ASSOC << 24) | (L1_DTLB_4K_ENTRIES << 16) | \
2708 (L1_ITLB_4K_ASSOC << 8) | (L1_ITLB_4K_ENTRIES);
2709 *ecx = (L1D_SIZE_KB_AMD << 24) | (L1D_ASSOCIATIVITY_AMD << 16) | \
2710 (L1D_LINES_PER_TAG << 8) | (L1D_LINE_SIZE);
2711 *edx = (L1I_SIZE_KB_AMD << 24) | (L1I_ASSOCIATIVITY_AMD << 16) | \
2712 (L1I_LINES_PER_TAG << 8) | (L1I_LINE_SIZE);
2713 break;
2714 case 0x80000006:
2715 /* cache info (L2 cache) */
2716 if (cpu->cache_info_passthrough) {
2717 host_cpuid(index, 0, eax, ebx, ecx, edx);
2718 break;
2719 }
2720 *eax = (AMD_ENC_ASSOC(L2_DTLB_2M_ASSOC) << 28) | \
2721 (L2_DTLB_2M_ENTRIES << 16) | \
2722 (AMD_ENC_ASSOC(L2_ITLB_2M_ASSOC) << 12) | \
2723 (L2_ITLB_2M_ENTRIES);
2724 *ebx = (AMD_ENC_ASSOC(L2_DTLB_4K_ASSOC) << 28) | \
2725 (L2_DTLB_4K_ENTRIES << 16) | \
2726 (AMD_ENC_ASSOC(L2_ITLB_4K_ASSOC) << 12) | \
2727 (L2_ITLB_4K_ENTRIES);
2728 *ecx = (L2_SIZE_KB_AMD << 16) | \
2729 (AMD_ENC_ASSOC(L2_ASSOCIATIVITY) << 12) | \
2730 (L2_LINES_PER_TAG << 8) | (L2_LINE_SIZE);
2731 if (!cpu->enable_l3_cache) {
2732 *edx = ((L3_SIZE_KB / 512) << 18) | \
2733 (AMD_ENC_ASSOC(L3_ASSOCIATIVITY) << 12) | \
2734 (L3_LINES_PER_TAG << 8) | (L3_LINE_SIZE);
2735 } else {
2736 *edx = ((L3_N_SIZE_KB_AMD / 512) << 18) | \
2737 (AMD_ENC_ASSOC(L3_N_ASSOCIATIVITY) << 12) | \
2738 (L3_N_LINES_PER_TAG << 8) | (L3_N_LINE_SIZE);
2739 }
2740 break;
2741 case 0x80000007:
2742 *eax = 0;
2743 *ebx = 0;
2744 *ecx = 0;
2745 *edx = env->features[FEAT_8000_0007_EDX];
2746 break;
2747 case 0x80000008:
2748 /* virtual & phys address size in low 2 bytes. */
2749 if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) {
2750 /* 64 bit processor, 48 bits virtual, configurable
2751 * physical bits.
2752 */
2753 *eax = 0x00003000 + cpu->phys_bits;
2754 } else {
2755 *eax = cpu->phys_bits;
2756 }
2757 *ebx = 0;
2758 *ecx = 0;
2759 *edx = 0;
2760 if (cs->nr_cores * cs->nr_threads > 1) {
2761 *ecx |= (cs->nr_cores * cs->nr_threads) - 1;
2762 }
2763 break;
2764 case 0x8000000A:
2765 if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) {
2766 *eax = 0x00000001; /* SVM Revision */
2767 *ebx = 0x00000010; /* nr of ASIDs */
2768 *ecx = 0;
2769 *edx = env->features[FEAT_SVM]; /* optional features */
2770 } else {
2771 *eax = 0;
2772 *ebx = 0;
2773 *ecx = 0;
2774 *edx = 0;
2775 }
2776 break;
2777 case 0xC0000000:
2778 *eax = env->cpuid_xlevel2;
2779 *ebx = 0;
2780 *ecx = 0;
2781 *edx = 0;
2782 break;
2783 case 0xC0000001:
2784 /* Support for VIA CPU's CPUID instruction */
2785 *eax = env->cpuid_version;
2786 *ebx = 0;
2787 *ecx = 0;
2788 *edx = env->features[FEAT_C000_0001_EDX];
2789 break;
2790 case 0xC0000002:
2791 case 0xC0000003:
2792 case 0xC0000004:
2793 /* Reserved for the future, and now filled with zero */
2794 *eax = 0;
2795 *ebx = 0;
2796 *ecx = 0;
2797 *edx = 0;
2798 break;
2799 default:
2800 /* reserved values: zero */
2801 *eax = 0;
2802 *ebx = 0;
2803 *ecx = 0;
2804 *edx = 0;
2805 break;
2806 }
2807 }
2808
2809 /* CPUClass::reset() */
2810 static void x86_cpu_reset(CPUState *s)
2811 {
2812 X86CPU *cpu = X86_CPU(s);
2813 X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
2814 CPUX86State *env = &cpu->env;
2815 target_ulong cr4;
2816 uint64_t xcr0;
2817 int i;
2818
2819 xcc->parent_reset(s);
2820
2821 memset(env, 0, offsetof(CPUX86State, end_reset_fields));
2822
2823 tlb_flush(s, 1);
2824
2825 env->old_exception = -1;
2826
2827 /* init to reset state */
2828
2829 env->hflags2 |= HF2_GIF_MASK;
2830
2831 cpu_x86_update_cr0(env, 0x60000010);
2832 env->a20_mask = ~0x0;
2833 env->smbase = 0x30000;
2834
2835 env->idt.limit = 0xffff;
2836 env->gdt.limit = 0xffff;
2837 env->ldt.limit = 0xffff;
2838 env->ldt.flags = DESC_P_MASK | (2 << DESC_TYPE_SHIFT);
2839 env->tr.limit = 0xffff;
2840 env->tr.flags = DESC_P_MASK | (11 << DESC_TYPE_SHIFT);
2841
2842 cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff,
2843 DESC_P_MASK | DESC_S_MASK | DESC_CS_MASK |
2844 DESC_R_MASK | DESC_A_MASK);
2845 cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff,
2846 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2847 DESC_A_MASK);
2848 cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff,
2849 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2850 DESC_A_MASK);
2851 cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff,
2852 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2853 DESC_A_MASK);
2854 cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff,
2855 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2856 DESC_A_MASK);
2857 cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff,
2858 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2859 DESC_A_MASK);
2860
2861 env->eip = 0xfff0;
2862 env->regs[R_EDX] = env->cpuid_version;
2863
2864 env->eflags = 0x2;
2865
2866 /* FPU init */
2867 for (i = 0; i < 8; i++) {
2868 env->fptags[i] = 1;
2869 }
2870 cpu_set_fpuc(env, 0x37f);
2871
2872 env->mxcsr = 0x1f80;
2873 /* All units are in INIT state. */
2874 env->xstate_bv = 0;
2875
2876 env->pat = 0x0007040600070406ULL;
2877 env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT;
2878
2879 memset(env->dr, 0, sizeof(env->dr));
2880 env->dr[6] = DR6_FIXED_1;
2881 env->dr[7] = DR7_FIXED_1;
2882 cpu_breakpoint_remove_all(s, BP_CPU);
2883 cpu_watchpoint_remove_all(s, BP_CPU);
2884
2885 cr4 = 0;
2886 xcr0 = XSTATE_FP_MASK;
2887
2888 #ifdef CONFIG_USER_ONLY
2889 /* Enable all the features for user-mode. */
2890 if (env->features[FEAT_1_EDX] & CPUID_SSE) {
2891 xcr0 |= XSTATE_SSE_MASK;
2892 }
2893 for (i = 2; i < ARRAY_SIZE(x86_ext_save_areas); i++) {
2894 const ExtSaveArea *esa = &x86_ext_save_areas[i];
2895 if (env->features[esa->feature] & esa->bits) {
2896 xcr0 |= 1ull << i;
2897 }
2898 }
2899
2900 if (env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE) {
2901 cr4 |= CR4_OSFXSR_MASK | CR4_OSXSAVE_MASK;
2902 }
2903 if (env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE) {
2904 cr4 |= CR4_FSGSBASE_MASK;
2905 }
2906 #endif
2907
2908 env->xcr0 = xcr0;
2909 cpu_x86_update_cr4(env, cr4);
2910
2911 /*
2912 * SDM 11.11.5 requires:
2913 * - IA32_MTRR_DEF_TYPE MSR.E = 0
2914 * - IA32_MTRR_PHYSMASKn.V = 0
2915 * All other bits are undefined. For simplification, zero it all.
2916 */
2917 env->mtrr_deftype = 0;
2918 memset(env->mtrr_var, 0, sizeof(env->mtrr_var));
2919 memset(env->mtrr_fixed, 0, sizeof(env->mtrr_fixed));
2920
2921 #if !defined(CONFIG_USER_ONLY)
2922 /* We hard-wire the BSP to the first CPU. */
2923 apic_designate_bsp(cpu->apic_state, s->cpu_index == 0);
2924
2925 s->halted = !cpu_is_bsp(cpu);
2926
2927 if (kvm_enabled()) {
2928 kvm_arch_reset_vcpu(cpu);
2929 }
2930 #endif
2931 }
2932
2933 #ifndef CONFIG_USER_ONLY
2934 bool cpu_is_bsp(X86CPU *cpu)
2935 {
2936 return cpu_get_apic_base(cpu->apic_state) & MSR_IA32_APICBASE_BSP;
2937 }
2938
2939 /* TODO: remove me, when reset over QOM tree is implemented */
2940 static void x86_cpu_machine_reset_cb(void *opaque)
2941 {
2942 X86CPU *cpu = opaque;
2943 cpu_reset(CPU(cpu));
2944 }
2945 #endif
2946
2947 static void mce_init(X86CPU *cpu)
2948 {
2949 CPUX86State *cenv = &cpu->env;
2950 unsigned int bank;
2951
2952 if (((cenv->cpuid_version >> 8) & 0xf) >= 6
2953 && (cenv->features[FEAT_1_EDX] & (CPUID_MCE | CPUID_MCA)) ==
2954 (CPUID_MCE | CPUID_MCA)) {
2955 cenv->mcg_cap = MCE_CAP_DEF | MCE_BANKS_DEF |
2956 (cpu->enable_lmce ? MCG_LMCE_P : 0);
2957 cenv->mcg_ctl = ~(uint64_t)0;
2958 for (bank = 0; bank < MCE_BANKS_DEF; bank++) {
2959 cenv->mce_banks[bank * 4] = ~(uint64_t)0;
2960 }
2961 }
2962 }
2963
2964 #ifndef CONFIG_USER_ONLY
2965 APICCommonClass *apic_get_class(void)
2966 {
2967 const char *apic_type = "apic";
2968
2969 if (kvm_apic_in_kernel()) {
2970 apic_type = "kvm-apic";
2971 } else if (xen_enabled()) {
2972 apic_type = "xen-apic";
2973 }
2974
2975 return APIC_COMMON_CLASS(object_class_by_name(apic_type));
2976 }
2977
2978 static void x86_cpu_apic_create(X86CPU *cpu, Error **errp)
2979 {
2980 APICCommonState *apic;
2981 ObjectClass *apic_class = OBJECT_CLASS(apic_get_class());
2982
2983 cpu->apic_state = DEVICE(object_new(object_class_get_name(apic_class)));
2984
2985 object_property_add_child(OBJECT(cpu), "lapic",
2986 OBJECT(cpu->apic_state), &error_abort);
2987 object_unref(OBJECT(cpu->apic_state));
2988
2989 qdev_prop_set_uint32(cpu->apic_state, "id", cpu->apic_id);
2990 /* TODO: convert to link<> */
2991 apic = APIC_COMMON(cpu->apic_state);
2992 apic->cpu = cpu;
2993 apic->apicbase = APIC_DEFAULT_ADDRESS | MSR_IA32_APICBASE_ENABLE;
2994 }
2995
2996 static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
2997 {
2998 APICCommonState *apic;
2999 static bool apic_mmio_map_once;
3000
3001 if (cpu->apic_state == NULL) {
3002 return;
3003 }
3004 object_property_set_bool(OBJECT(cpu->apic_state), true, "realized",
3005 errp);
3006
3007 /* Map APIC MMIO area */
3008 apic = APIC_COMMON(cpu->apic_state);
3009 if (!apic_mmio_map_once) {
3010 memory_region_add_subregion_overlap(get_system_memory(),
3011 apic->apicbase &
3012 MSR_IA32_APICBASE_BASE,
3013 &apic->io_memory,
3014 0x1000);
3015 apic_mmio_map_once = true;
3016 }
3017 }
3018
3019 static void x86_cpu_machine_done(Notifier *n, void *unused)
3020 {
3021 X86CPU *cpu = container_of(n, X86CPU, machine_done);
3022 MemoryRegion *smram =
3023 (MemoryRegion *) object_resolve_path("/machine/smram", NULL);
3024
3025 if (smram) {
3026 cpu->smram = g_new(MemoryRegion, 1);
3027 memory_region_init_alias(cpu->smram, OBJECT(cpu), "smram",
3028 smram, 0, 1ull << 32);
3029 memory_region_set_enabled(cpu->smram, false);
3030 memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->smram, 1);
3031 }
3032 }
3033 #else
3034 static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
3035 {
3036 }
3037 #endif
3038
3039 /* Note: Only safe for use on x86(-64) hosts */
3040 static uint32_t x86_host_phys_bits(void)
3041 {
3042 uint32_t eax;
3043 uint32_t host_phys_bits;
3044
3045 host_cpuid(0x80000000, 0, &eax, NULL, NULL, NULL);
3046 if (eax >= 0x80000008) {
3047 host_cpuid(0x80000008, 0, &eax, NULL, NULL, NULL);
3048 /* Note: According to AMD doc 25481 rev 2.34 they have a field
3049 * at 23:16 that can specify a maximum physical address bits for
3050 * the guest that can override this value; but I've not seen
3051 * anything with that set.
3052 */
3053 host_phys_bits = eax & 0xff;
3054 } else {
3055 /* It's an odd 64 bit machine that doesn't have the leaf for
3056 * physical address bits; fall back to 36 that's most older
3057 * Intel.
3058 */
3059 host_phys_bits = 36;
3060 }
3061
3062 return host_phys_bits;
3063 }
3064
3065 static void x86_cpu_adjust_level(X86CPU *cpu, uint32_t *min, uint32_t value)
3066 {
3067 if (*min < value) {
3068 *min = value;
3069 }
3070 }
3071
3072 /* Increase cpuid_min_{level,xlevel,xlevel2} automatically, if appropriate */
3073 static void x86_cpu_adjust_feat_level(X86CPU *cpu, FeatureWord w)
3074 {
3075 CPUX86State *env = &cpu->env;
3076 FeatureWordInfo *fi = &feature_word_info[w];
3077 uint32_t eax = fi->cpuid_eax;
3078 uint32_t region = eax & 0xF0000000;
3079
3080 if (!env->features[w]) {
3081 return;
3082 }
3083
3084 switch (region) {
3085 case 0x00000000:
3086 x86_cpu_adjust_level(cpu, &env->cpuid_min_level, eax);
3087 break;
3088 case 0x80000000:
3089 x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, eax);
3090 break;
3091 case 0xC0000000:
3092 x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel2, eax);
3093 break;
3094 }
3095 }
3096
3097 /* Calculate XSAVE components based on the configured CPU feature flags */
3098 static void x86_cpu_enable_xsave_components(X86CPU *cpu)
3099 {
3100 CPUX86State *env = &cpu->env;
3101 int i;
3102 uint64_t mask;
3103
3104 if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE)) {
3105 return;
3106 }
3107
3108 mask = 0;
3109 for (i = 0; i < ARRAY_SIZE(x86_ext_save_areas); i++) {
3110 const ExtSaveArea *esa = &x86_ext_save_areas[i];
3111 if (env->features[esa->feature] & esa->bits) {
3112 mask |= (1ULL << i);
3113 }
3114 }
3115
3116 env->features[FEAT_XSAVE_COMP_LO] = mask;
3117 env->features[FEAT_XSAVE_COMP_HI] = mask >> 32;
3118 }
3119
3120 /* Load CPUID data based on configured features */
3121 static void x86_cpu_load_features(X86CPU *cpu, Error **errp)
3122 {
3123 CPUX86State *env = &cpu->env;
3124 FeatureWord w;
3125 GList *l;
3126 Error *local_err = NULL;
3127
3128 /*TODO: cpu->host_features incorrectly overwrites features
3129 * set using "feat=on|off". Once we fix this, we can convert
3130 * plus_features & minus_features to global properties
3131 * inside x86_cpu_parse_featurestr() too.
3132 */
3133 if (cpu->host_features) {
3134 for (w = 0; w < FEATURE_WORDS; w++) {
3135 env->features[w] =
3136 x86_cpu_get_supported_feature_word(w, cpu->migratable);
3137 }
3138 }
3139
3140 for (l = plus_features; l; l = l->next) {
3141 const char *prop = l->data;
3142 object_property_set_bool(OBJECT(cpu), true, prop, &local_err);
3143 if (local_err) {
3144 goto out;
3145 }
3146 }
3147
3148 for (l = minus_features; l; l = l->next) {
3149 const char *prop = l->data;
3150 object_property_set_bool(OBJECT(cpu), false, prop, &local_err);
3151 if (local_err) {
3152 goto out;
3153 }
3154 }
3155
3156 if (!kvm_enabled() || !cpu->expose_kvm) {
3157 env->features[FEAT_KVM] = 0;
3158 }
3159
3160 x86_cpu_enable_xsave_components(cpu);
3161
3162 /* CPUID[EAX=7,ECX=0].EBX always increased level automatically: */
3163 x86_cpu_adjust_feat_level(cpu, FEAT_7_0_EBX);
3164 if (cpu->full_cpuid_auto_level) {
3165 x86_cpu_adjust_feat_level(cpu, FEAT_1_EDX);
3166 x86_cpu_adjust_feat_level(cpu, FEAT_1_ECX);
3167 x86_cpu_adjust_feat_level(cpu, FEAT_6_EAX);
3168 x86_cpu_adjust_feat_level(cpu, FEAT_7_0_ECX);
3169 x86_cpu_adjust_feat_level(cpu, FEAT_8000_0001_EDX);
3170 x86_cpu_adjust_feat_level(cpu, FEAT_8000_0001_ECX);
3171 x86_cpu_adjust_feat_level(cpu, FEAT_8000_0007_EDX);
3172 x86_cpu_adjust_feat_level(cpu, FEAT_C000_0001_EDX);
3173 x86_cpu_adjust_feat_level(cpu, FEAT_SVM);
3174 x86_cpu_adjust_feat_level(cpu, FEAT_XSAVE);
3175 /* SVM requires CPUID[0x8000000A] */
3176 if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) {
3177 x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000000A);
3178 }
3179 }
3180
3181 /* Set cpuid_*level* based on cpuid_min_*level, if not explicitly set */
3182 if (env->cpuid_level == UINT32_MAX) {
3183 env->cpuid_level = env->cpuid_min_level;
3184 }
3185 if (env->cpuid_xlevel == UINT32_MAX) {
3186 env->cpuid_xlevel = env->cpuid_min_xlevel;
3187 }
3188 if (env->cpuid_xlevel2 == UINT32_MAX) {
3189 env->cpuid_xlevel2 = env->cpuid_min_xlevel2;
3190 }
3191
3192 out:
3193 if (local_err != NULL) {
3194 error_propagate(errp, local_err);
3195 }
3196 }
3197
3198 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
3199 (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
3200 (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
3201 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
3202 (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
3203 (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
3204 static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
3205 {
3206 CPUState *cs = CPU(dev);
3207 X86CPU *cpu = X86_CPU(dev);
3208 X86CPUClass *xcc = X86_CPU_GET_CLASS(dev);
3209 CPUX86State *env = &cpu->env;
3210 Error *local_err = NULL;
3211 static bool ht_warned;
3212
3213 if (xcc->kvm_required && !kvm_enabled()) {
3214 char *name = x86_cpu_class_get_model_name(xcc);
3215 error_setg(&local_err, "CPU model '%s' requires KVM", name);
3216 g_free(name);
3217 goto out;
3218 }
3219
3220 if (cpu->apic_id == UNASSIGNED_APIC_ID) {
3221 error_setg(errp, "apic-id property was not initialized properly");
3222 return;
3223 }
3224
3225 x86_cpu_load_features(cpu, &local_err);
3226 if (local_err) {
3227 goto out;
3228 }
3229
3230 if (x86_cpu_filter_features(cpu) &&
3231 (cpu->check_cpuid || cpu->enforce_cpuid)) {
3232 x86_cpu_report_filtered_features(cpu);
3233 if (cpu->enforce_cpuid) {
3234 error_setg(&local_err,
3235 kvm_enabled() ?
3236 "Host doesn't support requested features" :
3237 "TCG doesn't support requested features");
3238 goto out;
3239 }
3240 }
3241
3242 /* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on
3243 * CPUID[1].EDX.
3244 */
3245 if (IS_AMD_CPU(env)) {
3246 env->features[FEAT_8000_0001_EDX] &= ~CPUID_EXT2_AMD_ALIASES;
3247 env->features[FEAT_8000_0001_EDX] |= (env->features[FEAT_1_EDX]
3248 & CPUID_EXT2_AMD_ALIASES);
3249 }
3250
3251 /* For 64bit systems think about the number of physical bits to present.
3252 * ideally this should be the same as the host; anything other than matching
3253 * the host can cause incorrect guest behaviour.
3254 * QEMU used to pick the magic value of 40 bits that corresponds to
3255 * consumer AMD devices but nothing else.
3256 */
3257 if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) {
3258 if (kvm_enabled()) {
3259 uint32_t host_phys_bits = x86_host_phys_bits();
3260 static bool warned;
3261
3262 if (cpu->host_phys_bits) {
3263 /* The user asked for us to use the host physical bits */
3264 cpu->phys_bits = host_phys_bits;
3265 }
3266
3267 /* Print a warning if the user set it to a value that's not the
3268 * host value.
3269 */
3270 if (cpu->phys_bits != host_phys_bits && cpu->phys_bits != 0 &&
3271 !warned) {
3272 error_report("Warning: Host physical bits (%u)"
3273 " does not match phys-bits property (%u)",
3274 host_phys_bits, cpu->phys_bits);
3275 warned = true;
3276 }
3277
3278 if (cpu->phys_bits &&
3279 (cpu->phys_bits > TARGET_PHYS_ADDR_SPACE_BITS ||
3280 cpu->phys_bits < 32)) {
3281 error_setg(errp, "phys-bits should be between 32 and %u "
3282 " (but is %u)",
3283 TARGET_PHYS_ADDR_SPACE_BITS, cpu->phys_bits);
3284 return;
3285 }
3286 } else {
3287 if (cpu->phys_bits && cpu->phys_bits != TCG_PHYS_ADDR_BITS) {
3288 error_setg(errp, "TCG only supports phys-bits=%u",
3289 TCG_PHYS_ADDR_BITS);
3290 return;
3291 }
3292 }
3293 /* 0 means it was not explicitly set by the user (or by machine
3294 * compat_props or by the host code above). In this case, the default
3295 * is the value used by TCG (40).
3296 */
3297 if (cpu->phys_bits == 0) {
3298 cpu->phys_bits = TCG_PHYS_ADDR_BITS;
3299 }
3300 } else {
3301 /* For 32 bit systems don't use the user set value, but keep
3302 * phys_bits consistent with what we tell the guest.
3303 */
3304 if (cpu->phys_bits != 0) {
3305 error_setg(errp, "phys-bits is not user-configurable in 32 bit");
3306 return;
3307 }
3308
3309 if (env->features[FEAT_1_EDX] & CPUID_PSE36) {
3310 cpu->phys_bits = 36;
3311 } else {
3312 cpu->phys_bits = 32;
3313 }
3314 }
3315 cpu_exec_realizefn(cs, &local_err);
3316 if (local_err != NULL) {
3317 error_propagate(errp, local_err);
3318 return;
3319 }
3320
3321 if (tcg_enabled()) {
3322 tcg_x86_init();
3323 }
3324
3325 #ifndef CONFIG_USER_ONLY
3326 qemu_register_reset(x86_cpu_machine_reset_cb, cpu);
3327
3328 if (cpu->env.features[FEAT_1_EDX] & CPUID_APIC || smp_cpus > 1) {
3329 x86_cpu_apic_create(cpu, &local_err);
3330 if (local_err != NULL) {
3331 goto out;
3332 }
3333 }
3334 #endif
3335
3336 mce_init(cpu);
3337
3338 #ifndef CONFIG_USER_ONLY
3339 if (tcg_enabled()) {
3340 AddressSpace *newas = g_new(AddressSpace, 1);
3341
3342 cpu->cpu_as_mem = g_new(MemoryRegion, 1);
3343 cpu->cpu_as_root = g_new(MemoryRegion, 1);
3344
3345 /* Outer container... */
3346 memory_region_init(cpu->cpu_as_root, OBJECT(cpu), "memory", ~0ull);
3347 memory_region_set_enabled(cpu->cpu_as_root, true);
3348
3349 /* ... with two regions inside: normal system memory with low
3350 * priority, and...
3351 */
3352 memory_region_init_alias(cpu->cpu_as_mem, OBJECT(cpu), "memory",
3353 get_system_memory(), 0, ~0ull);
3354 memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->cpu_as_mem, 0);
3355 memory_region_set_enabled(cpu->cpu_as_mem, true);
3356 address_space_init(newas, cpu->cpu_as_root, "CPU");
3357 cs->num_ases = 1;
3358 cpu_address_space_init(cs, newas, 0);
3359
3360 /* ... SMRAM with higher priority, linked from /machine/smram. */
3361 cpu->machine_done.notify = x86_cpu_machine_done;
3362 qemu_add_machine_init_done_notifier(&cpu->machine_done);
3363 }
3364 #endif
3365
3366 qemu_init_vcpu(cs);
3367
3368 /* Only Intel CPUs support hyperthreading. Even though QEMU fixes this
3369 * issue by adjusting CPUID_0000_0001_EBX and CPUID_8000_0008_ECX
3370 * based on inputs (sockets,cores,threads), it is still better to gives
3371 * users a warning.
3372 *
3373 * NOTE: the following code has to follow qemu_init_vcpu(). Otherwise
3374 * cs->nr_threads hasn't be populated yet and the checking is incorrect.
3375 */
3376 if (!IS_INTEL_CPU(env) && cs->nr_threads > 1 && !ht_warned) {
3377 error_report("AMD CPU doesn't support hyperthreading. Please configure"
3378 " -smp options properly.");
3379 ht_warned = true;
3380 }
3381
3382 x86_cpu_apic_realize(cpu, &local_err);
3383 if (local_err != NULL) {
3384 goto out;
3385 }
3386 cpu_reset(cs);
3387
3388 xcc->parent_realize(dev, &local_err);
3389
3390 out:
3391 if (local_err != NULL) {
3392 error_propagate(errp, local_err);
3393 return;
3394 }
3395 }
3396
3397 static void x86_cpu_unrealizefn(DeviceState *dev, Error **errp)
3398 {
3399 X86CPU *cpu = X86_CPU(dev);
3400 X86CPUClass *xcc = X86_CPU_GET_CLASS(dev);
3401 Error *local_err = NULL;
3402
3403 #ifndef CONFIG_USER_ONLY
3404 cpu_remove_sync(CPU(dev));
3405 qemu_unregister_reset(x86_cpu_machine_reset_cb, dev);
3406 #endif
3407
3408 if (cpu->apic_state) {
3409 object_unparent(OBJECT(cpu->apic_state));
3410 cpu->apic_state = NULL;
3411 }
3412
3413 xcc->parent_unrealize(dev, &local_err);
3414 if (local_err != NULL) {
3415 error_propagate(errp, local_err);
3416 return;
3417 }
3418 }
3419
3420 typedef struct BitProperty {
3421 uint32_t *ptr;
3422 uint32_t mask;
3423 } BitProperty;
3424
3425 static void x86_cpu_get_bit_prop(Object *obj, Visitor *v, const char *name,
3426 void *opaque, Error **errp)
3427 {
3428 BitProperty *fp = opaque;
3429 bool value = (*fp->ptr & fp->mask) == fp->mask;
3430 visit_type_bool(v, name, &value, errp);
3431 }
3432
3433 static void x86_cpu_set_bit_prop(Object *obj, Visitor *v, const char *name,
3434 void *opaque, Error **errp)
3435 {
3436 DeviceState *dev = DEVICE(obj);
3437 BitProperty *fp = opaque;
3438 Error *local_err = NULL;
3439 bool value;
3440
3441 if (dev->realized) {
3442 qdev_prop_set_after_realize(dev, name, errp);
3443 return;
3444 }
3445
3446 visit_type_bool(v, name, &value, &local_err);
3447 if (local_err) {
3448 error_propagate(errp, local_err);
3449 return;
3450 }
3451
3452 if (value) {
3453 *fp->ptr |= fp->mask;
3454 } else {
3455 *fp->ptr &= ~fp->mask;
3456 }
3457 }
3458
3459 static void x86_cpu_release_bit_prop(Object *obj, const char *name,
3460 void *opaque)
3461 {
3462 BitProperty *prop = opaque;
3463 g_free(prop);
3464 }
3465
3466 /* Register a boolean property to get/set a single bit in a uint32_t field.
3467 *
3468 * The same property name can be registered multiple times to make it affect
3469 * multiple bits in the same FeatureWord. In that case, the getter will return
3470 * true only if all bits are set.
3471 */
3472 static void x86_cpu_register_bit_prop(X86CPU *cpu,
3473 const char *prop_name,
3474 uint32_t *field,
3475 int bitnr)
3476 {
3477 BitProperty *fp;
3478 ObjectProperty *op;
3479 uint32_t mask = (1UL << bitnr);
3480
3481 op = object_property_find(OBJECT(cpu), prop_name, NULL);
3482 if (op) {
3483 fp = op->opaque;
3484 assert(fp->ptr == field);
3485 fp->mask |= mask;
3486 } else {
3487 fp = g_new0(BitProperty, 1);
3488 fp->ptr = field;
3489 fp->mask = mask;
3490 object_property_add(OBJECT(cpu), prop_name, "bool",
3491 x86_cpu_get_bit_prop,
3492 x86_cpu_set_bit_prop,
3493 x86_cpu_release_bit_prop, fp, &error_abort);
3494 }
3495 }
3496
3497 static void x86_cpu_register_feature_bit_props(X86CPU *cpu,
3498 FeatureWord w,
3499 int bitnr)
3500 {
3501 FeatureWordInfo *fi = &feature_word_info[w];
3502 const char *name = fi->feat_names[bitnr];
3503
3504 if (!name) {
3505 return;
3506 }
3507
3508 /* Property names should use "-" instead of "_".
3509 * Old names containing underscores are registered as aliases
3510 * using object_property_add_alias()
3511 */
3512 assert(!strchr(name, '_'));
3513 /* aliases don't use "|" delimiters anymore, they are registered
3514 * manually using object_property_add_alias() */
3515 assert(!strchr(name, '|'));
3516 x86_cpu_register_bit_prop(cpu, name, &cpu->env.features[w], bitnr);
3517 }
3518
3519 static void x86_cpu_initfn(Object *obj)
3520 {
3521 CPUState *cs = CPU(obj);
3522 X86CPU *cpu = X86_CPU(obj);
3523 X86CPUClass *xcc = X86_CPU_GET_CLASS(obj);
3524 CPUX86State *env = &cpu->env;
3525 FeatureWord w;
3526
3527 cs->env_ptr = env;
3528
3529 object_property_add(obj, "family", "int",
3530 x86_cpuid_version_get_family,
3531 x86_cpuid_version_set_family, NULL, NULL, NULL);
3532 object_property_add(obj, "model", "int",
3533 x86_cpuid_version_get_model,
3534 x86_cpuid_version_set_model, NULL, NULL, NULL);
3535 object_property_add(obj, "stepping", "int",
3536 x86_cpuid_version_get_stepping,
3537 x86_cpuid_version_set_stepping, NULL, NULL, NULL);
3538 object_property_add_str(obj, "vendor",
3539 x86_cpuid_get_vendor,
3540 x86_cpuid_set_vendor, NULL);
3541 object_property_add_str(obj, "model-id",
3542 x86_cpuid_get_model_id,
3543 x86_cpuid_set_model_id, NULL);
3544 object_property_add(obj, "tsc-frequency", "int",
3545 x86_cpuid_get_tsc_freq,
3546 x86_cpuid_set_tsc_freq, NULL, NULL, NULL);
3547 object_property_add(obj, "feature-words", "X86CPUFeatureWordInfo",
3548 x86_cpu_get_feature_words,
3549 NULL, NULL, (void *)env->features, NULL);
3550 object_property_add(obj, "filtered-features", "X86CPUFeatureWordInfo",
3551 x86_cpu_get_feature_words,
3552 NULL, NULL, (void *)cpu->filtered_features, NULL);
3553
3554 cpu->hyperv_spinlock_attempts = HYPERV_SPINLOCK_NEVER_RETRY;
3555
3556 for (w = 0; w < FEATURE_WORDS; w++) {
3557 int bitnr;
3558
3559 for (bitnr = 0; bitnr < 32; bitnr++) {
3560 x86_cpu_register_feature_bit_props(cpu, w, bitnr);
3561 }
3562 }
3563
3564 object_property_add_alias(obj, "sse3", obj, "pni", &error_abort);
3565 object_property_add_alias(obj, "pclmuldq", obj, "pclmulqdq", &error_abort);
3566 object_property_add_alias(obj, "sse4-1", obj, "sse4.1", &error_abort);
3567 object_property_add_alias(obj, "sse4-2", obj, "sse4.2", &error_abort);
3568 object_property_add_alias(obj, "xd", obj, "nx", &error_abort);
3569 object_property_add_alias(obj, "ffxsr", obj, "fxsr-opt", &error_abort);
3570 object_property_add_alias(obj, "i64", obj, "lm", &error_abort);
3571
3572 object_property_add_alias(obj, "ds_cpl", obj, "ds-cpl", &error_abort);
3573 object_property_add_alias(obj, "tsc_adjust", obj, "tsc-adjust", &error_abort);
3574 object_property_add_alias(obj, "fxsr_opt", obj, "fxsr-opt", &error_abort);
3575 object_property_add_alias(obj, "lahf_lm", obj, "lahf-lm", &error_abort);
3576 object_property_add_alias(obj, "cmp_legacy", obj, "cmp-legacy", &error_abort);
3577 object_property_add_alias(obj, "nodeid_msr", obj, "nodeid-msr", &error_abort);
3578 object_property_add_alias(obj, "perfctr_core", obj, "perfctr-core", &error_abort);
3579 object_property_add_alias(obj, "perfctr_nb", obj, "perfctr-nb", &error_abort);
3580 object_property_add_alias(obj, "kvm_nopiodelay", obj, "kvm-nopiodelay", &error_abort);
3581 object_property_add_alias(obj, "kvm_mmu", obj, "kvm-mmu", &error_abort);
3582 object_property_add_alias(obj, "kvm_asyncpf", obj, "kvm-asyncpf", &error_abort);
3583 object_property_add_alias(obj, "kvm_steal_time", obj, "kvm-steal-time", &error_abort);
3584 object_property_add_alias(obj, "kvm_pv_eoi", obj, "kvm-pv-eoi", &error_abort);
3585 object_property_add_alias(obj, "kvm_pv_unhalt", obj, "kvm-pv-unhalt", &error_abort);
3586 object_property_add_alias(obj, "svm_lock", obj, "svm-lock", &error_abort);
3587 object_property_add_alias(obj, "nrip_save", obj, "nrip-save", &error_abort);
3588 object_property_add_alias(obj, "tsc_scale", obj, "tsc-scale", &error_abort);
3589 object_property_add_alias(obj, "vmcb_clean", obj, "vmcb-clean", &error_abort);
3590 object_property_add_alias(obj, "pause_filter", obj, "pause-filter", &error_abort);
3591 object_property_add_alias(obj, "sse4_1", obj, "sse4.1", &error_abort);
3592 object_property_add_alias(obj, "sse4_2", obj, "sse4.2", &error_abort);
3593
3594 x86_cpu_load_def(cpu, xcc->cpu_def, &error_abort);
3595 }
3596
3597 static int64_t x86_cpu_get_arch_id(CPUState *cs)
3598 {
3599 X86CPU *cpu = X86_CPU(cs);
3600
3601 return cpu->apic_id;
3602 }
3603
3604 static bool x86_cpu_get_paging_enabled(const CPUState *cs)
3605 {
3606 X86CPU *cpu = X86_CPU(cs);
3607
3608 return cpu->env.cr[0] & CR0_PG_MASK;
3609 }
3610
3611 static void x86_cpu_set_pc(CPUState *cs, vaddr value)
3612 {
3613 X86CPU *cpu = X86_CPU(cs);
3614
3615 cpu->env.eip = value;
3616 }
3617
3618 static void x86_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
3619 {
3620 X86CPU *cpu = X86_CPU(cs);
3621
3622 cpu->env.eip = tb->pc - tb->cs_base;
3623 }
3624
3625 static bool x86_cpu_has_work(CPUState *cs)
3626 {
3627 X86CPU *cpu = X86_CPU(cs);
3628 CPUX86State *env = &cpu->env;
3629
3630 return ((cs->interrupt_request & (CPU_INTERRUPT_HARD |
3631 CPU_INTERRUPT_POLL)) &&
3632 (env->eflags & IF_MASK)) ||
3633 (cs->interrupt_request & (CPU_INTERRUPT_NMI |
3634 CPU_INTERRUPT_INIT |
3635 CPU_INTERRUPT_SIPI |
3636 CPU_INTERRUPT_MCE)) ||
3637 ((cs->interrupt_request & CPU_INTERRUPT_SMI) &&
3638 !(env->hflags & HF_SMM_MASK));
3639 }
3640
3641 static Property x86_cpu_properties[] = {
3642 #ifdef CONFIG_USER_ONLY
3643 /* apic_id = 0 by default for *-user, see commit 9886e834 */
3644 DEFINE_PROP_UINT32("apic-id", X86CPU, apic_id, 0),
3645 DEFINE_PROP_INT32("thread-id", X86CPU, thread_id, 0),
3646 DEFINE_PROP_INT32("core-id", X86CPU, core_id, 0),
3647 DEFINE_PROP_INT32("socket-id", X86CPU, socket_id, 0),
3648 #else
3649 DEFINE_PROP_UINT32("apic-id", X86CPU, apic_id, UNASSIGNED_APIC_ID),
3650 DEFINE_PROP_INT32("thread-id", X86CPU, thread_id, -1),
3651 DEFINE_PROP_INT32("core-id", X86CPU, core_id, -1),
3652 DEFINE_PROP_INT32("socket-id", X86CPU, socket_id, -1),
3653 #endif
3654 DEFINE_PROP_BOOL("pmu", X86CPU, enable_pmu, false),
3655 { .name = "hv-spinlocks", .info = &qdev_prop_spinlocks },
3656 DEFINE_PROP_BOOL("hv-relaxed", X86CPU, hyperv_relaxed_timing, false),
3657 DEFINE_PROP_BOOL("hv-vapic", X86CPU, hyperv_vapic, false),
3658 DEFINE_PROP_BOOL("hv-time", X86CPU, hyperv_time, false),
3659 DEFINE_PROP_BOOL("hv-crash", X86CPU, hyperv_crash, false),
3660 DEFINE_PROP_BOOL("hv-reset", X86CPU, hyperv_reset, false),
3661 DEFINE_PROP_BOOL("hv-vpindex", X86CPU, hyperv_vpindex, false),
3662 DEFINE_PROP_BOOL("hv-runtime", X86CPU, hyperv_runtime, false),
3663 DEFINE_PROP_BOOL("hv-synic", X86CPU, hyperv_synic, false),
3664 DEFINE_PROP_BOOL("hv-stimer", X86CPU, hyperv_stimer, false),
3665 DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, true),
3666 DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false),
3667 DEFINE_PROP_BOOL("kvm", X86CPU, expose_kvm, true),
3668 DEFINE_PROP_UINT32("phys-bits", X86CPU, phys_bits, 0),
3669 DEFINE_PROP_BOOL("host-phys-bits", X86CPU, host_phys_bits, false),
3670 DEFINE_PROP_BOOL("fill-mtrr-mask", X86CPU, fill_mtrr_mask, true),
3671 DEFINE_PROP_UINT32("level", X86CPU, env.cpuid_level, UINT32_MAX),
3672 DEFINE_PROP_UINT32("xlevel", X86CPU, env.cpuid_xlevel, UINT32_MAX),
3673 DEFINE_PROP_UINT32("xlevel2", X86CPU, env.cpuid_xlevel2, UINT32_MAX),
3674 DEFINE_PROP_UINT32("min-level", X86CPU, env.cpuid_min_level, 0),
3675 DEFINE_PROP_UINT32("min-xlevel", X86CPU, env.cpuid_min_xlevel, 0),
3676 DEFINE_PROP_UINT32("min-xlevel2", X86CPU, env.cpuid_min_xlevel2, 0),
3677 DEFINE_PROP_BOOL("full-cpuid-auto-level", X86CPU, full_cpuid_auto_level, true),
3678 DEFINE_PROP_STRING("hv-vendor-id", X86CPU, hyperv_vendor_id),
3679 DEFINE_PROP_BOOL("cpuid-0xb", X86CPU, enable_cpuid_0xb, true),
3680 DEFINE_PROP_BOOL("lmce", X86CPU, enable_lmce, false),
3681 DEFINE_PROP_BOOL("l3-cache", X86CPU, enable_l3_cache, true),
3682 DEFINE_PROP_END_OF_LIST()
3683 };
3684
3685 static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
3686 {
3687 X86CPUClass *xcc = X86_CPU_CLASS(oc);
3688 CPUClass *cc = CPU_CLASS(oc);
3689 DeviceClass *dc = DEVICE_CLASS(oc);
3690
3691 xcc->parent_realize = dc->realize;
3692 xcc->parent_unrealize = dc->unrealize;
3693 dc->realize = x86_cpu_realizefn;
3694 dc->unrealize = x86_cpu_unrealizefn;
3695 dc->props = x86_cpu_properties;
3696
3697 xcc->parent_reset = cc->reset;
3698 cc->reset = x86_cpu_reset;
3699 cc->reset_dump_flags = CPU_DUMP_FPU | CPU_DUMP_CCOP;
3700
3701 cc->class_by_name = x86_cpu_class_by_name;
3702 cc->parse_features = x86_cpu_parse_featurestr;
3703 cc->has_work = x86_cpu_has_work;
3704 cc->do_interrupt = x86_cpu_do_interrupt;
3705 cc->cpu_exec_interrupt = x86_cpu_exec_interrupt;
3706 cc->dump_state = x86_cpu_dump_state;
3707 cc->set_pc = x86_cpu_set_pc;
3708 cc->synchronize_from_tb = x86_cpu_synchronize_from_tb;
3709 cc->gdb_read_register = x86_cpu_gdb_read_register;
3710 cc->gdb_write_register = x86_cpu_gdb_write_register;
3711 cc->get_arch_id = x86_cpu_get_arch_id;
3712 cc->get_paging_enabled = x86_cpu_get_paging_enabled;
3713 #ifdef CONFIG_USER_ONLY
3714 cc->handle_mmu_fault = x86_cpu_handle_mmu_fault;
3715 #else
3716 cc->get_memory_mapping = x86_cpu_get_memory_mapping;
3717 cc->get_phys_page_debug = x86_cpu_get_phys_page_debug;
3718 cc->write_elf64_note = x86_cpu_write_elf64_note;
3719 cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote;
3720 cc->write_elf32_note = x86_cpu_write_elf32_note;
3721 cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote;
3722 cc->vmsd = &vmstate_x86_cpu;
3723 #endif
3724 /* CPU_NB_REGS * 2 = general regs + xmm regs
3725 * 25 = eip, eflags, 6 seg regs, st[0-7], fctrl,...,fop, mxcsr.
3726 */
3727 cc->gdb_num_core_regs = CPU_NB_REGS * 2 + 25;
3728 #ifndef CONFIG_USER_ONLY
3729 cc->debug_excp_handler = breakpoint_handler;
3730 #endif
3731 cc->cpu_exec_enter = x86_cpu_exec_enter;
3732 cc->cpu_exec_exit = x86_cpu_exec_exit;
3733
3734 dc->cannot_instantiate_with_device_add_yet = false;
3735 }
3736
3737 static const TypeInfo x86_cpu_type_info = {
3738 .name = TYPE_X86_CPU,
3739 .parent = TYPE_CPU,
3740 .instance_size = sizeof(X86CPU),
3741 .instance_init = x86_cpu_initfn,
3742 .abstract = true,
3743 .class_size = sizeof(X86CPUClass),
3744 .class_init = x86_cpu_common_class_init,
3745 };
3746
3747 static void x86_cpu_register_types(void)
3748 {
3749 int i;
3750
3751 type_register_static(&x86_cpu_type_info);
3752 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
3753 x86_register_cpudef_type(&builtin_x86_defs[i]);
3754 }
3755 #ifdef CONFIG_KVM
3756 type_register_static(&host_x86_cpu_type_info);
3757 #endif
3758 }
3759
3760 type_init(x86_cpu_register_types)
AR7 emulation for QEMU