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virtio-bus: Plug devices after features are negotiated
[qemu.git] / target-i386 / cpu.c
blob5a5299ad3ca7d24244471b909addab538ddc0853
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 /* feature flags taken from "Intel Processor Identification and the CPUID
185 * Instruction" and AMD's "CPUID Specification". In cases of disagreement
186 * between feature naming conventions, aliases may be added.
187 */
188 static const char *feature_name[] = {
189 "fpu", "vme", "de", "pse",
190 "tsc", "msr", "pae", "mce",
191 "cx8", "apic", NULL, "sep",
192 "mtrr", "pge", "mca", "cmov",
193 "pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */,
194 NULL, "ds" /* Intel dts */, "acpi", "mmx",
195 "fxsr", "sse", "sse2", "ss",
196 "ht" /* Intel htt */, "tm", "ia64", "pbe",
197 };
198 static const char *ext_feature_name[] = {
199 "pni|sse3" /* Intel,AMD sse3 */, "pclmulqdq|pclmuldq", "dtes64", "monitor",
200 "ds_cpl", "vmx", "smx", "est",
201 "tm2", "ssse3", "cid", NULL,
202 "fma", "cx16", "xtpr", "pdcm",
203 NULL, "pcid", "dca", "sse4.1|sse4_1",
204 "sse4.2|sse4_2", "x2apic", "movbe", "popcnt",
205 "tsc-deadline", "aes", "xsave", "osxsave",
206 "avx", "f16c", "rdrand", "hypervisor",
207 };
208 /* Feature names that are already defined on feature_name[] but are set on
209 * CPUID[8000_0001].EDX on AMD CPUs don't have their names on
210 * ext2_feature_name[]. They are copied automatically to cpuid_ext2_features
211 * if and only if CPU vendor is AMD.
212 */
213 static const char *ext2_feature_name[] = {
214 NULL /* fpu */, NULL /* vme */, NULL /* de */, NULL /* pse */,
215 NULL /* tsc */, NULL /* msr */, NULL /* pae */, NULL /* mce */,
216 NULL /* cx8 */ /* AMD CMPXCHG8B */, NULL /* apic */, NULL, "syscall",
217 NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */,
218 NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */,
219 "nx|xd", NULL, "mmxext", NULL /* mmx */,
220 NULL /* fxsr */, "fxsr_opt|ffxsr", "pdpe1gb" /* AMD Page1GB */, "rdtscp",
221 NULL, "lm|i64", "3dnowext", "3dnow",
222 };
223 static const char *ext3_feature_name[] = {
224 "lahf_lm" /* AMD LahfSahf */, "cmp_legacy", "svm", "extapic" /* AMD ExtApicSpace */,
225 "cr8legacy" /* AMD AltMovCr8 */, "abm", "sse4a", "misalignsse",
226 "3dnowprefetch", "osvw", "ibs", "xop",
227 "skinit", "wdt", NULL, "lwp",
228 "fma4", "tce", NULL, "nodeid_msr",
229 NULL, "tbm", "topoext", "perfctr_core",
230 "perfctr_nb", NULL, NULL, NULL,
231 NULL, NULL, NULL, NULL,
232 };
233
234 static const char *ext4_feature_name[] = {
235 NULL, NULL, "xstore", "xstore-en",
236 NULL, NULL, "xcrypt", "xcrypt-en",
237 "ace2", "ace2-en", "phe", "phe-en",
238 "pmm", "pmm-en", NULL, NULL,
239 NULL, NULL, NULL, NULL,
240 NULL, NULL, NULL, NULL,
241 NULL, NULL, NULL, NULL,
242 NULL, NULL, NULL, NULL,
243 };
244
245 static const char *kvm_feature_name[] = {
246 "kvmclock", "kvm_nopiodelay", "kvm_mmu", "kvmclock",
247 "kvm_asyncpf", "kvm_steal_time", "kvm_pv_eoi", "kvm_pv_unhalt",
248 NULL, NULL, NULL, NULL,
249 NULL, NULL, NULL, NULL,
250 NULL, NULL, NULL, NULL,
251 NULL, NULL, NULL, NULL,
252 "kvmclock-stable-bit", NULL, NULL, NULL,
253 NULL, NULL, NULL, NULL,
254 };
255
256 static const char *hyperv_priv_feature_name[] = {
257 NULL /* hv_msr_vp_runtime_access */, NULL /* hv_msr_time_refcount_access */,
258 NULL /* hv_msr_synic_access */, NULL /* hv_msr_stimer_access */,
259 NULL /* hv_msr_apic_access */, NULL /* hv_msr_hypercall_access */,
260 NULL /* hv_vpindex_access */, NULL /* hv_msr_reset_access */,
261 NULL /* hv_msr_stats_access */, NULL /* hv_reftsc_access */,
262 NULL /* hv_msr_idle_access */, NULL /* hv_msr_frequency_access */,
263 NULL, NULL, NULL, NULL,
264 NULL, NULL, NULL, NULL,
265 NULL, NULL, NULL, NULL,
266 NULL, NULL, NULL, NULL,
267 NULL, NULL, NULL, NULL,
268 };
269
270 static const char *hyperv_ident_feature_name[] = {
271 NULL /* hv_create_partitions */, NULL /* hv_access_partition_id */,
272 NULL /* hv_access_memory_pool */, NULL /* hv_adjust_message_buffers */,
273 NULL /* hv_post_messages */, NULL /* hv_signal_events */,
274 NULL /* hv_create_port */, NULL /* hv_connect_port */,
275 NULL /* hv_access_stats */, NULL, NULL, NULL /* hv_debugging */,
276 NULL /* hv_cpu_power_management */, NULL /* hv_configure_profiler */,
277 NULL, NULL,
278 NULL, NULL, NULL, NULL,
279 NULL, NULL, NULL, NULL,
280 NULL, NULL, NULL, NULL,
281 NULL, NULL, NULL, NULL,
282 };
283
284 static const char *hyperv_misc_feature_name[] = {
285 NULL /* hv_mwait */, NULL /* hv_guest_debugging */,
286 NULL /* hv_perf_monitor */, NULL /* hv_cpu_dynamic_part */,
287 NULL /* hv_hypercall_params_xmm */, NULL /* hv_guest_idle_state */,
288 NULL, NULL,
289 NULL, NULL, NULL /* hv_guest_crash_msr */, NULL,
290 NULL, NULL, NULL, NULL,
291 NULL, NULL, NULL, NULL,
292 NULL, NULL, NULL, NULL,
293 NULL, NULL, NULL, NULL,
294 NULL, NULL, NULL, NULL,
295 };
296
297 static const char *svm_feature_name[] = {
298 "npt", "lbrv", "svm_lock", "nrip_save",
299 "tsc_scale", "vmcb_clean", "flushbyasid", "decodeassists",
300 NULL, NULL, "pause_filter", NULL,
301 "pfthreshold", NULL, NULL, NULL,
302 NULL, NULL, NULL, NULL,
303 NULL, NULL, NULL, NULL,
304 NULL, NULL, NULL, NULL,
305 NULL, NULL, NULL, NULL,
306 };
307
308 static const char *cpuid_7_0_ebx_feature_name[] = {
309 "fsgsbase", "tsc_adjust", NULL, "bmi1",
310 "hle", "avx2", NULL, "smep",
311 "bmi2", "erms", "invpcid", "rtm",
312 NULL, NULL, "mpx", NULL,
313 "avx512f", "avx512dq", "rdseed", "adx",
314 "smap", "avx512ifma", "pcommit", "clflushopt",
315 "clwb", NULL, "avx512pf", "avx512er",
316 "avx512cd", NULL, "avx512bw", "avx512vl",
317 };
318
319 static const char *cpuid_7_0_ecx_feature_name[] = {
320 NULL, "avx512vbmi", "umip", "pku",
321 "ospke", NULL, NULL, NULL,
322 NULL, NULL, NULL, NULL,
323 NULL, NULL, NULL, NULL,
324 NULL, NULL, NULL, NULL,
325 NULL, NULL, "rdpid", NULL,
326 NULL, NULL, NULL, NULL,
327 NULL, NULL, NULL, NULL,
328 };
329
330 static const char *cpuid_apm_edx_feature_name[] = {
331 NULL, NULL, NULL, NULL,
332 NULL, NULL, NULL, NULL,
333 "invtsc", NULL, NULL, NULL,
334 NULL, NULL, NULL, NULL,
335 NULL, NULL, NULL, NULL,
336 NULL, NULL, NULL, NULL,
337 NULL, NULL, NULL, NULL,
338 NULL, NULL, NULL, NULL,
339 };
340
341 static const char *cpuid_xsave_feature_name[] = {
342 "xsaveopt", "xsavec", "xgetbv1", "xsaves",
343 NULL, NULL, NULL, NULL,
344 NULL, NULL, NULL, NULL,
345 NULL, NULL, NULL, NULL,
346 NULL, NULL, NULL, NULL,
347 NULL, NULL, NULL, NULL,
348 NULL, NULL, NULL, NULL,
349 NULL, NULL, NULL, NULL,
350 };
351
352 static const char *cpuid_6_feature_name[] = {
353 NULL, NULL, "arat", NULL,
354 NULL, NULL, NULL, NULL,
355 NULL, NULL, NULL, NULL,
356 NULL, NULL, NULL, NULL,
357 NULL, NULL, NULL, NULL,
358 NULL, NULL, NULL, NULL,
359 NULL, NULL, NULL, NULL,
360 NULL, NULL, NULL, NULL,
361 };
362
363 #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE)
364 #define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \
365 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC)
366 #define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \
367 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
368 CPUID_PSE36 | CPUID_FXSR)
369 #define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE)
370 #define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \
371 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \
372 CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \
373 CPUID_PAE | CPUID_SEP | CPUID_APIC)
374
375 #define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \
376 CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \
377 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \
378 CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \
379 CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS | CPUID_DE)
380 /* partly implemented:
381 CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64) */
382 /* missing:
383 CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */
384 #define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \
385 CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \
386 CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \
387 CPUID_EXT_XSAVE | /* CPUID_EXT_OSXSAVE is dynamic */ \
388 CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR)
389 /* missing:
390 CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_SMX,
391 CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_CID, CPUID_EXT_FMA,
392 CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_PCID, CPUID_EXT_DCA,
393 CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER, CPUID_EXT_AVX,
394 CPUID_EXT_F16C, CPUID_EXT_RDRAND */
395
396 #ifdef TARGET_X86_64
397 #define TCG_EXT2_X86_64_FEATURES (CPUID_EXT2_SYSCALL | CPUID_EXT2_LM)
398 #else
399 #define TCG_EXT2_X86_64_FEATURES 0
400 #endif
401
402 #define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \
403 CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \
404 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB | \
405 TCG_EXT2_X86_64_FEATURES)
406 #define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \
407 CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A)
408 #define TCG_EXT4_FEATURES 0
409 #define TCG_SVM_FEATURES 0
410 #define TCG_KVM_FEATURES 0
411 #define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP | \
412 CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX | \
413 CPUID_7_0_EBX_PCOMMIT | CPUID_7_0_EBX_CLFLUSHOPT | \
414 CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_FSGSBASE | \
415 CPUID_7_0_EBX_ERMS)
416 /* missing:
417 CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2,
418 CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM,
419 CPUID_7_0_EBX_RDSEED */
420 #define TCG_7_0_ECX_FEATURES (CPUID_7_0_ECX_PKU | CPUID_7_0_ECX_OSPKE)
421 #define TCG_APM_FEATURES 0
422 #define TCG_6_EAX_FEATURES CPUID_6_EAX_ARAT
423 #define TCG_XSAVE_FEATURES (CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XGETBV1)
424 /* missing:
425 CPUID_XSAVE_XSAVEC, CPUID_XSAVE_XSAVES */
426
427 typedef struct FeatureWordInfo {
428 const char **feat_names;
429 uint32_t cpuid_eax; /* Input EAX for CPUID */
430 bool cpuid_needs_ecx; /* CPUID instruction uses ECX as input */
431 uint32_t cpuid_ecx; /* Input ECX value for CPUID */
432 int cpuid_reg; /* output register (R_* constant) */
433 uint32_t tcg_features; /* Feature flags supported by TCG */
434 uint32_t unmigratable_flags; /* Feature flags known to be unmigratable */
435 } FeatureWordInfo;
436
437 static FeatureWordInfo feature_word_info[FEATURE_WORDS] = {
438 [FEAT_1_EDX] = {
439 .feat_names = feature_name,
440 .cpuid_eax = 1, .cpuid_reg = R_EDX,
441 .tcg_features = TCG_FEATURES,
442 },
443 [FEAT_1_ECX] = {
444 .feat_names = ext_feature_name,
445 .cpuid_eax = 1, .cpuid_reg = R_ECX,
446 .tcg_features = TCG_EXT_FEATURES,
447 },
448 [FEAT_8000_0001_EDX] = {
449 .feat_names = ext2_feature_name,
450 .cpuid_eax = 0x80000001, .cpuid_reg = R_EDX,
451 .tcg_features = TCG_EXT2_FEATURES,
452 },
453 [FEAT_8000_0001_ECX] = {
454 .feat_names = ext3_feature_name,
455 .cpuid_eax = 0x80000001, .cpuid_reg = R_ECX,
456 .tcg_features = TCG_EXT3_FEATURES,
457 },
458 [FEAT_C000_0001_EDX] = {
459 .feat_names = ext4_feature_name,
460 .cpuid_eax = 0xC0000001, .cpuid_reg = R_EDX,
461 .tcg_features = TCG_EXT4_FEATURES,
462 },
463 [FEAT_KVM] = {
464 .feat_names = kvm_feature_name,
465 .cpuid_eax = KVM_CPUID_FEATURES, .cpuid_reg = R_EAX,
466 .tcg_features = TCG_KVM_FEATURES,
467 },
468 [FEAT_HYPERV_EAX] = {
469 .feat_names = hyperv_priv_feature_name,
470 .cpuid_eax = 0x40000003, .cpuid_reg = R_EAX,
471 },
472 [FEAT_HYPERV_EBX] = {
473 .feat_names = hyperv_ident_feature_name,
474 .cpuid_eax = 0x40000003, .cpuid_reg = R_EBX,
475 },
476 [FEAT_HYPERV_EDX] = {
477 .feat_names = hyperv_misc_feature_name,
478 .cpuid_eax = 0x40000003, .cpuid_reg = R_EDX,
479 },
480 [FEAT_SVM] = {
481 .feat_names = svm_feature_name,
482 .cpuid_eax = 0x8000000A, .cpuid_reg = R_EDX,
483 .tcg_features = TCG_SVM_FEATURES,
484 },
485 [FEAT_7_0_EBX] = {
486 .feat_names = cpuid_7_0_ebx_feature_name,
487 .cpuid_eax = 7,
488 .cpuid_needs_ecx = true, .cpuid_ecx = 0,
489 .cpuid_reg = R_EBX,
490 .tcg_features = TCG_7_0_EBX_FEATURES,
491 },
492 [FEAT_7_0_ECX] = {
493 .feat_names = cpuid_7_0_ecx_feature_name,
494 .cpuid_eax = 7,
495 .cpuid_needs_ecx = true, .cpuid_ecx = 0,
496 .cpuid_reg = R_ECX,
497 .tcg_features = TCG_7_0_ECX_FEATURES,
498 },
499 [FEAT_8000_0007_EDX] = {
500 .feat_names = cpuid_apm_edx_feature_name,
501 .cpuid_eax = 0x80000007,
502 .cpuid_reg = R_EDX,
503 .tcg_features = TCG_APM_FEATURES,
504 .unmigratable_flags = CPUID_APM_INVTSC,
505 },
506 [FEAT_XSAVE] = {
507 .feat_names = cpuid_xsave_feature_name,
508 .cpuid_eax = 0xd,
509 .cpuid_needs_ecx = true, .cpuid_ecx = 1,
510 .cpuid_reg = R_EAX,
511 .tcg_features = TCG_XSAVE_FEATURES,
512 },
513 [FEAT_6_EAX] = {
514 .feat_names = cpuid_6_feature_name,
515 .cpuid_eax = 6, .cpuid_reg = R_EAX,
516 .tcg_features = TCG_6_EAX_FEATURES,
517 },
518 };
519
520 typedef struct X86RegisterInfo32 {
521 /* Name of register */
522 const char *name;
523 /* QAPI enum value register */
524 X86CPURegister32 qapi_enum;
525 } X86RegisterInfo32;
526
527 #define REGISTER(reg) \
528 [R_##reg] = { .name = #reg, .qapi_enum = X86_CPU_REGISTER32_##reg }
529 static const X86RegisterInfo32 x86_reg_info_32[CPU_NB_REGS32] = {
530 REGISTER(EAX),
531 REGISTER(ECX),
532 REGISTER(EDX),
533 REGISTER(EBX),
534 REGISTER(ESP),
535 REGISTER(EBP),
536 REGISTER(ESI),
537 REGISTER(EDI),
538 };
539 #undef REGISTER
540
541 const ExtSaveArea x86_ext_save_areas[] = {
542 [XSTATE_YMM_BIT] =
543 { .feature = FEAT_1_ECX, .bits = CPUID_EXT_AVX,
544 .offset = offsetof(X86XSaveArea, avx_state),
545 .size = sizeof(XSaveAVX) },
546 [XSTATE_BNDREGS_BIT] =
547 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
548 .offset = offsetof(X86XSaveArea, bndreg_state),
549 .size = sizeof(XSaveBNDREG) },
550 [XSTATE_BNDCSR_BIT] =
551 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX,
552 .offset = offsetof(X86XSaveArea, bndcsr_state),
553 .size = sizeof(XSaveBNDCSR) },
554 [XSTATE_OPMASK_BIT] =
555 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
556 .offset = offsetof(X86XSaveArea, opmask_state),
557 .size = sizeof(XSaveOpmask) },
558 [XSTATE_ZMM_Hi256_BIT] =
559 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
560 .offset = offsetof(X86XSaveArea, zmm_hi256_state),
561 .size = sizeof(XSaveZMM_Hi256) },
562 [XSTATE_Hi16_ZMM_BIT] =
563 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F,
564 .offset = offsetof(X86XSaveArea, hi16_zmm_state),
565 .size = sizeof(XSaveHi16_ZMM) },
566 [XSTATE_PKRU_BIT] =
567 { .feature = FEAT_7_0_ECX, .bits = CPUID_7_0_ECX_PKU,
568 .offset = offsetof(X86XSaveArea, pkru_state),
569 .size = sizeof(XSavePKRU) },
570 };
571
572 const char *get_register_name_32(unsigned int reg)
573 {
574 if (reg >= CPU_NB_REGS32) {
575 return NULL;
576 }
577 return x86_reg_info_32[reg].name;
578 }
579
580 /*
581 * Returns the set of feature flags that are supported and migratable by
582 * QEMU, for a given FeatureWord.
583 */
584 static uint32_t x86_cpu_get_migratable_flags(FeatureWord w)
585 {
586 FeatureWordInfo *wi = &feature_word_info[w];
587 uint32_t r = 0;
588 int i;
589
590 for (i = 0; i < 32; i++) {
591 uint32_t f = 1U << i;
592 /* If the feature name is unknown, it is not supported by QEMU yet */
593 if (!wi->feat_names[i]) {
594 continue;
595 }
596 /* Skip features known to QEMU, but explicitly marked as unmigratable */
597 if (wi->unmigratable_flags & f) {
598 continue;
599 }
600 r |= f;
601 }
602 return r;
603 }
604
605 void host_cpuid(uint32_t function, uint32_t count,
606 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx)
607 {
608 uint32_t vec[4];
609
610 #ifdef __x86_64__
611 asm volatile("cpuid"
612 : "=a"(vec[0]), "=b"(vec[1]),
613 "=c"(vec[2]), "=d"(vec[3])
614 : "0"(function), "c"(count) : "cc");
615 #elif defined(__i386__)
616 asm volatile("pusha \n\t"
617 "cpuid \n\t"
618 "mov %%eax, 0(%2) \n\t"
619 "mov %%ebx, 4(%2) \n\t"
620 "mov %%ecx, 8(%2) \n\t"
621 "mov %%edx, 12(%2) \n\t"
622 "popa"
623 : : "a"(function), "c"(count), "S"(vec)
624 : "memory", "cc");
625 #else
626 abort();
627 #endif
628
629 if (eax)
630 *eax = vec[0];
631 if (ebx)
632 *ebx = vec[1];
633 if (ecx)
634 *ecx = vec[2];
635 if (edx)
636 *edx = vec[3];
637 }
638
639 #define iswhite(c) ((c) && ((c) <= ' ' || '~' < (c)))
640
641 /* general substring compare of *[s1..e1) and *[s2..e2). sx is start of
642 * a substring. ex if !NULL points to the first char after a substring,
643 * otherwise the string is assumed to sized by a terminating nul.
644 * Return lexical ordering of *s1:*s2.
645 */
646 static int sstrcmp(const char *s1, const char *e1,
647 const char *s2, const char *e2)
648 {
649 for (;;) {
650 if (!*s1 || !*s2 || *s1 != *s2)
651 return (*s1 - *s2);
652 ++s1, ++s2;
653 if (s1 == e1 && s2 == e2)
654 return (0);
655 else if (s1 == e1)
656 return (*s2);
657 else if (s2 == e2)
658 return (*s1);
659 }
660 }
661
662 /* compare *[s..e) to *altstr. *altstr may be a simple string or multiple
663 * '|' delimited (possibly empty) strings in which case search for a match
664 * within the alternatives proceeds left to right. Return 0 for success,
665 * non-zero otherwise.
666 */
667 static int altcmp(const char *s, const char *e, const char *altstr)
668 {
669 const char *p, *q;
670
671 for (q = p = altstr; ; ) {
672 while (*p && *p != '|')
673 ++p;
674 if ((q == p && !*s) || (q != p && !sstrcmp(s, e, q, p)))
675 return (0);
676 if (!*p)
677 return (1);
678 else
679 q = ++p;
680 }
681 }
682
683 /* search featureset for flag *[s..e), if found set corresponding bit in
684 * *pval and return true, otherwise return false
685 */
686 static bool lookup_feature(uint32_t *pval, const char *s, const char *e,
687 const char **featureset)
688 {
689 uint32_t mask;
690 const char **ppc;
691 bool found = false;
692
693 for (mask = 1, ppc = featureset; mask; mask <<= 1, ++ppc) {
694 if (*ppc && !altcmp(s, e, *ppc)) {
695 *pval |= mask;
696 found = true;
697 }
698 }
699 return found;
700 }
701
702 static void add_flagname_to_bitmaps(const char *flagname,
703 FeatureWordArray words,
704 Error **errp)
705 {
706 FeatureWord w;
707 for (w = 0; w < FEATURE_WORDS; w++) {
708 FeatureWordInfo *wi = &feature_word_info[w];
709 if (wi->feat_names &&
710 lookup_feature(&words[w], flagname, NULL, wi->feat_names)) {
711 break;
712 }
713 }
714 if (w == FEATURE_WORDS) {
715 error_setg(errp, "CPU feature %s not found", flagname);
716 }
717 }
718
719 /* CPU class name definitions: */
720
721 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU
722 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX)
723
724 /* Return type name for a given CPU model name
725 * Caller is responsible for freeing the returned string.
726 */
727 static char *x86_cpu_type_name(const char *model_name)
728 {
729 return g_strdup_printf(X86_CPU_TYPE_NAME("%s"), model_name);
730 }
731
732 static ObjectClass *x86_cpu_class_by_name(const char *cpu_model)
733 {
734 ObjectClass *oc;
735 char *typename;
736
737 if (cpu_model == NULL) {
738 return NULL;
739 }
740
741 typename = x86_cpu_type_name(cpu_model);
742 oc = object_class_by_name(typename);
743 g_free(typename);
744 return oc;
745 }
746
747 static char *x86_cpu_class_get_model_name(X86CPUClass *cc)
748 {
749 const char *class_name = object_class_get_name(OBJECT_CLASS(cc));
750 assert(g_str_has_suffix(class_name, X86_CPU_TYPE_SUFFIX));
751 return g_strndup(class_name,
752 strlen(class_name) - strlen(X86_CPU_TYPE_SUFFIX));
753 }
754
755 struct X86CPUDefinition {
756 const char *name;
757 uint32_t level;
758 uint32_t xlevel;
759 uint32_t xlevel2;
760 /* vendor is zero-terminated, 12 character ASCII string */
761 char vendor[CPUID_VENDOR_SZ + 1];
762 int family;
763 int model;
764 int stepping;
765 FeatureWordArray features;
766 char model_id[48];
767 };
768
769 static X86CPUDefinition builtin_x86_defs[] = {
770 {
771 .name = "qemu64",
772 .level = 0xd,
773 .vendor = CPUID_VENDOR_AMD,
774 .family = 6,
775 .model = 6,
776 .stepping = 3,
777 .features[FEAT_1_EDX] =
778 PPRO_FEATURES |
779 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
780 CPUID_PSE36,
781 .features[FEAT_1_ECX] =
782 CPUID_EXT_SSE3 | CPUID_EXT_CX16,
783 .features[FEAT_8000_0001_EDX] =
784 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
785 .features[FEAT_8000_0001_ECX] =
786 CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM,
787 .xlevel = 0x8000000A,
788 .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION,
789 },
790 {
791 .name = "phenom",
792 .level = 5,
793 .vendor = CPUID_VENDOR_AMD,
794 .family = 16,
795 .model = 2,
796 .stepping = 3,
797 /* Missing: CPUID_HT */
798 .features[FEAT_1_EDX] =
799 PPRO_FEATURES |
800 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
801 CPUID_PSE36 | CPUID_VME,
802 .features[FEAT_1_ECX] =
803 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 |
804 CPUID_EXT_POPCNT,
805 .features[FEAT_8000_0001_EDX] =
806 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX |
807 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT |
808 CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP,
809 /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
810 CPUID_EXT3_CR8LEG,
811 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
812 CPUID_EXT3_OSVW, CPUID_EXT3_IBS */
813 .features[FEAT_8000_0001_ECX] =
814 CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM |
815 CPUID_EXT3_ABM | CPUID_EXT3_SSE4A,
816 /* Missing: CPUID_SVM_LBRV */
817 .features[FEAT_SVM] =
818 CPUID_SVM_NPT,
819 .xlevel = 0x8000001A,
820 .model_id = "AMD Phenom(tm) 9550 Quad-Core Processor"
821 },
822 {
823 .name = "core2duo",
824 .level = 10,
825 .vendor = CPUID_VENDOR_INTEL,
826 .family = 6,
827 .model = 15,
828 .stepping = 11,
829 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
830 .features[FEAT_1_EDX] =
831 PPRO_FEATURES |
832 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
833 CPUID_PSE36 | CPUID_VME | CPUID_ACPI | CPUID_SS,
834 /* Missing: CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_EST,
835 * CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_VMX */
836 .features[FEAT_1_ECX] =
837 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
838 CPUID_EXT_CX16,
839 .features[FEAT_8000_0001_EDX] =
840 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
841 .features[FEAT_8000_0001_ECX] =
842 CPUID_EXT3_LAHF_LM,
843 .xlevel = 0x80000008,
844 .model_id = "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz",
845 },
846 {
847 .name = "kvm64",
848 .level = 0xd,
849 .vendor = CPUID_VENDOR_INTEL,
850 .family = 15,
851 .model = 6,
852 .stepping = 1,
853 /* Missing: CPUID_HT */
854 .features[FEAT_1_EDX] =
855 PPRO_FEATURES | CPUID_VME |
856 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA |
857 CPUID_PSE36,
858 /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */
859 .features[FEAT_1_ECX] =
860 CPUID_EXT_SSE3 | CPUID_EXT_CX16,
861 /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */
862 .features[FEAT_8000_0001_EDX] =
863 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
864 /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC,
865 CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A,
866 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH,
867 CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */
868 .features[FEAT_8000_0001_ECX] =
869 0,
870 .xlevel = 0x80000008,
871 .model_id = "Common KVM processor"
872 },
873 {
874 .name = "qemu32",
875 .level = 4,
876 .vendor = CPUID_VENDOR_INTEL,
877 .family = 6,
878 .model = 6,
879 .stepping = 3,
880 .features[FEAT_1_EDX] =
881 PPRO_FEATURES,
882 .features[FEAT_1_ECX] =
883 CPUID_EXT_SSE3,
884 .xlevel = 0x80000004,
885 .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION,
886 },
887 {
888 .name = "kvm32",
889 .level = 5,
890 .vendor = CPUID_VENDOR_INTEL,
891 .family = 15,
892 .model = 6,
893 .stepping = 1,
894 .features[FEAT_1_EDX] =
895 PPRO_FEATURES | CPUID_VME |
896 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36,
897 .features[FEAT_1_ECX] =
898 CPUID_EXT_SSE3,
899 .features[FEAT_8000_0001_ECX] =
900 0,
901 .xlevel = 0x80000008,
902 .model_id = "Common 32-bit KVM processor"
903 },
904 {
905 .name = "coreduo",
906 .level = 10,
907 .vendor = CPUID_VENDOR_INTEL,
908 .family = 6,
909 .model = 14,
910 .stepping = 8,
911 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
912 .features[FEAT_1_EDX] =
913 PPRO_FEATURES | CPUID_VME |
914 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_ACPI |
915 CPUID_SS,
916 /* Missing: CPUID_EXT_EST, CPUID_EXT_TM2 , CPUID_EXT_XTPR,
917 * CPUID_EXT_PDCM, CPUID_EXT_VMX */
918 .features[FEAT_1_ECX] =
919 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR,
920 .features[FEAT_8000_0001_EDX] =
921 CPUID_EXT2_NX,
922 .xlevel = 0x80000008,
923 .model_id = "Genuine Intel(R) CPU T2600 @ 2.16GHz",
924 },
925 {
926 .name = "486",
927 .level = 1,
928 .vendor = CPUID_VENDOR_INTEL,
929 .family = 4,
930 .model = 8,
931 .stepping = 0,
932 .features[FEAT_1_EDX] =
933 I486_FEATURES,
934 .xlevel = 0,
935 },
936 {
937 .name = "pentium",
938 .level = 1,
939 .vendor = CPUID_VENDOR_INTEL,
940 .family = 5,
941 .model = 4,
942 .stepping = 3,
943 .features[FEAT_1_EDX] =
944 PENTIUM_FEATURES,
945 .xlevel = 0,
946 },
947 {
948 .name = "pentium2",
949 .level = 2,
950 .vendor = CPUID_VENDOR_INTEL,
951 .family = 6,
952 .model = 5,
953 .stepping = 2,
954 .features[FEAT_1_EDX] =
955 PENTIUM2_FEATURES,
956 .xlevel = 0,
957 },
958 {
959 .name = "pentium3",
960 .level = 3,
961 .vendor = CPUID_VENDOR_INTEL,
962 .family = 6,
963 .model = 7,
964 .stepping = 3,
965 .features[FEAT_1_EDX] =
966 PENTIUM3_FEATURES,
967 .xlevel = 0,
968 },
969 {
970 .name = "athlon",
971 .level = 2,
972 .vendor = CPUID_VENDOR_AMD,
973 .family = 6,
974 .model = 2,
975 .stepping = 3,
976 .features[FEAT_1_EDX] =
977 PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR |
978 CPUID_MCA,
979 .features[FEAT_8000_0001_EDX] =
980 CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT,
981 .xlevel = 0x80000008,
982 .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION,
983 },
984 {
985 .name = "n270",
986 .level = 10,
987 .vendor = CPUID_VENDOR_INTEL,
988 .family = 6,
989 .model = 28,
990 .stepping = 2,
991 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */
992 .features[FEAT_1_EDX] =
993 PPRO_FEATURES |
994 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME |
995 CPUID_ACPI | CPUID_SS,
996 /* Some CPUs got no CPUID_SEP */
997 /* Missing: CPUID_EXT_DSCPL, CPUID_EXT_EST, CPUID_EXT_TM2,
998 * CPUID_EXT_XTPR */
999 .features[FEAT_1_ECX] =
1000 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 |
1001 CPUID_EXT_MOVBE,
1002 .features[FEAT_8000_0001_EDX] =
1003 CPUID_EXT2_NX,
1004 .features[FEAT_8000_0001_ECX] =
1005 CPUID_EXT3_LAHF_LM,
1006 .xlevel = 0x80000008,
1007 .model_id = "Intel(R) Atom(TM) CPU N270 @ 1.60GHz",
1008 },
1009 {
1010 .name = "Conroe",
1011 .level = 10,
1012 .vendor = CPUID_VENDOR_INTEL,
1013 .family = 6,
1014 .model = 15,
1015 .stepping = 3,
1016 .features[FEAT_1_EDX] =
1017 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1018 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1019 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1020 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1021 CPUID_DE | CPUID_FP87,
1022 .features[FEAT_1_ECX] =
1023 CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
1024 .features[FEAT_8000_0001_EDX] =
1025 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
1026 .features[FEAT_8000_0001_ECX] =
1027 CPUID_EXT3_LAHF_LM,
1028 .xlevel = 0x80000008,
1029 .model_id = "Intel Celeron_4x0 (Conroe/Merom Class Core 2)",
1030 },
1031 {
1032 .name = "Penryn",
1033 .level = 10,
1034 .vendor = CPUID_VENDOR_INTEL,
1035 .family = 6,
1036 .model = 23,
1037 .stepping = 3,
1038 .features[FEAT_1_EDX] =
1039 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1040 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1041 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1042 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1043 CPUID_DE | CPUID_FP87,
1044 .features[FEAT_1_ECX] =
1045 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1046 CPUID_EXT_SSE3,
1047 .features[FEAT_8000_0001_EDX] =
1048 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL,
1049 .features[FEAT_8000_0001_ECX] =
1050 CPUID_EXT3_LAHF_LM,
1051 .xlevel = 0x80000008,
1052 .model_id = "Intel Core 2 Duo P9xxx (Penryn Class Core 2)",
1053 },
1054 {
1055 .name = "Nehalem",
1056 .level = 11,
1057 .vendor = CPUID_VENDOR_INTEL,
1058 .family = 6,
1059 .model = 26,
1060 .stepping = 3,
1061 .features[FEAT_1_EDX] =
1062 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1063 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1064 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1065 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1066 CPUID_DE | CPUID_FP87,
1067 .features[FEAT_1_ECX] =
1068 CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1069 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3,
1070 .features[FEAT_8000_0001_EDX] =
1071 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
1072 .features[FEAT_8000_0001_ECX] =
1073 CPUID_EXT3_LAHF_LM,
1074 .xlevel = 0x80000008,
1075 .model_id = "Intel Core i7 9xx (Nehalem Class Core i7)",
1076 },
1077 {
1078 .name = "Westmere",
1079 .level = 11,
1080 .vendor = CPUID_VENDOR_INTEL,
1081 .family = 6,
1082 .model = 44,
1083 .stepping = 1,
1084 .features[FEAT_1_EDX] =
1085 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1086 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1087 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1088 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1089 CPUID_DE | CPUID_FP87,
1090 .features[FEAT_1_ECX] =
1091 CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
1092 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1093 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
1094 .features[FEAT_8000_0001_EDX] =
1095 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX,
1096 .features[FEAT_8000_0001_ECX] =
1097 CPUID_EXT3_LAHF_LM,
1098 .features[FEAT_6_EAX] =
1099 CPUID_6_EAX_ARAT,
1100 .xlevel = 0x80000008,
1101 .model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)",
1102 },
1103 {
1104 .name = "SandyBridge",
1105 .level = 0xd,
1106 .vendor = CPUID_VENDOR_INTEL,
1107 .family = 6,
1108 .model = 42,
1109 .stepping = 1,
1110 .features[FEAT_1_EDX] =
1111 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1112 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1113 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1114 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1115 CPUID_DE | CPUID_FP87,
1116 .features[FEAT_1_ECX] =
1117 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1118 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
1119 CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1120 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
1121 CPUID_EXT_SSE3,
1122 .features[FEAT_8000_0001_EDX] =
1123 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1124 CPUID_EXT2_SYSCALL,
1125 .features[FEAT_8000_0001_ECX] =
1126 CPUID_EXT3_LAHF_LM,
1127 .features[FEAT_XSAVE] =
1128 CPUID_XSAVE_XSAVEOPT,
1129 .features[FEAT_6_EAX] =
1130 CPUID_6_EAX_ARAT,
1131 .xlevel = 0x80000008,
1132 .model_id = "Intel Xeon E312xx (Sandy Bridge)",
1133 },
1134 {
1135 .name = "IvyBridge",
1136 .level = 0xd,
1137 .vendor = CPUID_VENDOR_INTEL,
1138 .family = 6,
1139 .model = 58,
1140 .stepping = 9,
1141 .features[FEAT_1_EDX] =
1142 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1143 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1144 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1145 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1146 CPUID_DE | CPUID_FP87,
1147 .features[FEAT_1_ECX] =
1148 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1149 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT |
1150 CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1151 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
1152 CPUID_EXT_SSE3 | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1153 .features[FEAT_7_0_EBX] =
1154 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_SMEP |
1155 CPUID_7_0_EBX_ERMS,
1156 .features[FEAT_8000_0001_EDX] =
1157 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1158 CPUID_EXT2_SYSCALL,
1159 .features[FEAT_8000_0001_ECX] =
1160 CPUID_EXT3_LAHF_LM,
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 Xeon E3-12xx v2 (Ivy Bridge)",
1167 },
1168 {
1169 .name = "Haswell-noTSX",
1170 .level = 0xd,
1171 .vendor = CPUID_VENDOR_INTEL,
1172 .family = 6,
1173 .model = 60,
1174 .stepping = 1,
1175 .features[FEAT_1_EDX] =
1176 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1177 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1178 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1179 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1180 CPUID_DE | CPUID_FP87,
1181 .features[FEAT_1_ECX] =
1182 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1183 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1184 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1185 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1186 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1187 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1188 .features[FEAT_8000_0001_EDX] =
1189 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1190 CPUID_EXT2_SYSCALL,
1191 .features[FEAT_8000_0001_ECX] =
1192 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM,
1193 .features[FEAT_7_0_EBX] =
1194 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1195 CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1196 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID,
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, no TSX)",
1203 }, {
1204 .name = "Haswell",
1205 .level = 0xd,
1206 .vendor = CPUID_VENDOR_INTEL,
1207 .family = 6,
1208 .model = 60,
1209 .stepping = 1,
1210 .features[FEAT_1_EDX] =
1211 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1212 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1213 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1214 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1215 CPUID_DE | CPUID_FP87,
1216 .features[FEAT_1_ECX] =
1217 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1218 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1219 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1220 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1221 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1222 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1223 .features[FEAT_8000_0001_EDX] =
1224 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1225 CPUID_EXT2_SYSCALL,
1226 .features[FEAT_8000_0001_ECX] =
1227 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM,
1228 .features[FEAT_7_0_EBX] =
1229 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1230 CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1231 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1232 CPUID_7_0_EBX_RTM,
1233 .features[FEAT_XSAVE] =
1234 CPUID_XSAVE_XSAVEOPT,
1235 .features[FEAT_6_EAX] =
1236 CPUID_6_EAX_ARAT,
1237 .xlevel = 0x80000008,
1238 .model_id = "Intel Core Processor (Haswell)",
1239 },
1240 {
1241 .name = "Broadwell-noTSX",
1242 .level = 0xd,
1243 .vendor = CPUID_VENDOR_INTEL,
1244 .family = 6,
1245 .model = 61,
1246 .stepping = 2,
1247 .features[FEAT_1_EDX] =
1248 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1249 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1250 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1251 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1252 CPUID_DE | CPUID_FP87,
1253 .features[FEAT_1_ECX] =
1254 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1255 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1256 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1257 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1258 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1259 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1260 .features[FEAT_8000_0001_EDX] =
1261 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1262 CPUID_EXT2_SYSCALL,
1263 .features[FEAT_8000_0001_ECX] =
1264 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
1265 .features[FEAT_7_0_EBX] =
1266 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1267 CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1268 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1269 CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
1270 CPUID_7_0_EBX_SMAP,
1271 .features[FEAT_XSAVE] =
1272 CPUID_XSAVE_XSAVEOPT,
1273 .features[FEAT_6_EAX] =
1274 CPUID_6_EAX_ARAT,
1275 .xlevel = 0x80000008,
1276 .model_id = "Intel Core Processor (Broadwell, no TSX)",
1277 },
1278 {
1279 .name = "Broadwell",
1280 .level = 0xd,
1281 .vendor = CPUID_VENDOR_INTEL,
1282 .family = 6,
1283 .model = 61,
1284 .stepping = 2,
1285 .features[FEAT_1_EDX] =
1286 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1287 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1288 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1289 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1290 CPUID_DE | CPUID_FP87,
1291 .features[FEAT_1_ECX] =
1292 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1293 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1294 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1295 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1296 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1297 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1298 .features[FEAT_8000_0001_EDX] =
1299 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1300 CPUID_EXT2_SYSCALL,
1301 .features[FEAT_8000_0001_ECX] =
1302 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
1303 .features[FEAT_7_0_EBX] =
1304 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1305 CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1306 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1307 CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
1308 CPUID_7_0_EBX_SMAP,
1309 .features[FEAT_XSAVE] =
1310 CPUID_XSAVE_XSAVEOPT,
1311 .features[FEAT_6_EAX] =
1312 CPUID_6_EAX_ARAT,
1313 .xlevel = 0x80000008,
1314 .model_id = "Intel Core Processor (Broadwell)",
1315 },
1316 {
1317 .name = "Skylake-Client",
1318 .level = 0xd,
1319 .vendor = CPUID_VENDOR_INTEL,
1320 .family = 6,
1321 .model = 94,
1322 .stepping = 3,
1323 .features[FEAT_1_EDX] =
1324 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1325 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1326 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1327 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1328 CPUID_DE | CPUID_FP87,
1329 .features[FEAT_1_ECX] =
1330 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1331 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 |
1332 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 |
1333 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 |
1334 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE |
1335 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND,
1336 .features[FEAT_8000_0001_EDX] =
1337 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX |
1338 CPUID_EXT2_SYSCALL,
1339 .features[FEAT_8000_0001_ECX] =
1340 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH,
1341 .features[FEAT_7_0_EBX] =
1342 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 |
1343 CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP |
1344 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID |
1345 CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX |
1346 CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX,
1347 /* Missing: XSAVES (not supported by some Linux versions,
1348 * including v4.1 to v4.6).
1349 * KVM doesn't yet expose any XSAVES state save component,
1350 * and the only one defined in Skylake (processor tracing)
1351 * probably will block migration anyway.
1352 */
1353 .features[FEAT_XSAVE] =
1354 CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC |
1355 CPUID_XSAVE_XGETBV1,
1356 .features[FEAT_6_EAX] =
1357 CPUID_6_EAX_ARAT,
1358 .xlevel = 0x80000008,
1359 .model_id = "Intel Core Processor (Skylake)",
1360 },
1361 {
1362 .name = "Opteron_G1",
1363 .level = 5,
1364 .vendor = CPUID_VENDOR_AMD,
1365 .family = 15,
1366 .model = 6,
1367 .stepping = 1,
1368 .features[FEAT_1_EDX] =
1369 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1370 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1371 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1372 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1373 CPUID_DE | CPUID_FP87,
1374 .features[FEAT_1_ECX] =
1375 CPUID_EXT_SSE3,
1376 .features[FEAT_8000_0001_EDX] =
1377 CPUID_EXT2_LM | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
1378 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
1379 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
1380 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
1381 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
1382 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
1383 .xlevel = 0x80000008,
1384 .model_id = "AMD Opteron 240 (Gen 1 Class Opteron)",
1385 },
1386 {
1387 .name = "Opteron_G2",
1388 .level = 5,
1389 .vendor = CPUID_VENDOR_AMD,
1390 .family = 15,
1391 .model = 6,
1392 .stepping = 1,
1393 .features[FEAT_1_EDX] =
1394 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1395 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1396 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1397 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1398 CPUID_DE | CPUID_FP87,
1399 .features[FEAT_1_ECX] =
1400 CPUID_EXT_CX16 | CPUID_EXT_SSE3,
1401 /* Missing: CPUID_EXT2_RDTSCP */
1402 .features[FEAT_8000_0001_EDX] =
1403 CPUID_EXT2_LM | CPUID_EXT2_FXSR |
1404 CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
1405 CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
1406 CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
1407 CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
1408 CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
1409 CPUID_EXT2_DE | CPUID_EXT2_FPU,
1410 .features[FEAT_8000_0001_ECX] =
1411 CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
1412 .xlevel = 0x80000008,
1413 .model_id = "AMD Opteron 22xx (Gen 2 Class Opteron)",
1414 },
1415 {
1416 .name = "Opteron_G3",
1417 .level = 5,
1418 .vendor = CPUID_VENDOR_AMD,
1419 .family = 15,
1420 .model = 6,
1421 .stepping = 1,
1422 .features[FEAT_1_EDX] =
1423 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1424 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1425 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1426 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1427 CPUID_DE | CPUID_FP87,
1428 .features[FEAT_1_ECX] =
1429 CPUID_EXT_POPCNT | CPUID_EXT_CX16 | CPUID_EXT_MONITOR |
1430 CPUID_EXT_SSE3,
1431 /* Missing: CPUID_EXT2_RDTSCP */
1432 .features[FEAT_8000_0001_EDX] =
1433 CPUID_EXT2_LM | CPUID_EXT2_FXSR |
1434 CPUID_EXT2_MMX | CPUID_EXT2_NX | CPUID_EXT2_PSE36 |
1435 CPUID_EXT2_PAT | CPUID_EXT2_CMOV | CPUID_EXT2_MCA |
1436 CPUID_EXT2_PGE | CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL |
1437 CPUID_EXT2_APIC | CPUID_EXT2_CX8 | CPUID_EXT2_MCE |
1438 CPUID_EXT2_PAE | CPUID_EXT2_MSR | CPUID_EXT2_TSC | CPUID_EXT2_PSE |
1439 CPUID_EXT2_DE | CPUID_EXT2_FPU,
1440 .features[FEAT_8000_0001_ECX] =
1441 CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A |
1442 CPUID_EXT3_ABM | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM,
1443 .xlevel = 0x80000008,
1444 .model_id = "AMD Opteron 23xx (Gen 3 Class Opteron)",
1445 },
1446 {
1447 .name = "Opteron_G4",
1448 .level = 0xd,
1449 .vendor = CPUID_VENDOR_AMD,
1450 .family = 21,
1451 .model = 1,
1452 .stepping = 2,
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_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES |
1461 CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 |
1462 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ |
1463 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_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 62xx class CPU",
1481 },
1482 {
1483 .name = "Opteron_G5",
1484 .level = 0xd,
1485 .vendor = CPUID_VENDOR_AMD,
1486 .family = 21,
1487 .model = 2,
1488 .stepping = 0,
1489 .features[FEAT_1_EDX] =
1490 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX |
1491 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA |
1492 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 |
1493 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE |
1494 CPUID_DE | CPUID_FP87,
1495 .features[FEAT_1_ECX] =
1496 CPUID_EXT_F16C | CPUID_EXT_AVX | CPUID_EXT_XSAVE |
1497 CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 |
1498 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_FMA |
1499 CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3,
1500 /* Missing: CPUID_EXT2_RDTSCP */
1501 .features[FEAT_8000_0001_EDX] =
1502 CPUID_EXT2_LM |
1503 CPUID_EXT2_PDPE1GB | CPUID_EXT2_FXSR | CPUID_EXT2_MMX |
1504 CPUID_EXT2_NX | CPUID_EXT2_PSE36 | CPUID_EXT2_PAT |
1505 CPUID_EXT2_CMOV | CPUID_EXT2_MCA | CPUID_EXT2_PGE |
1506 CPUID_EXT2_MTRR | CPUID_EXT2_SYSCALL | CPUID_EXT2_APIC |
1507 CPUID_EXT2_CX8 | CPUID_EXT2_MCE | CPUID_EXT2_PAE | CPUID_EXT2_MSR |
1508 CPUID_EXT2_TSC | CPUID_EXT2_PSE | CPUID_EXT2_DE | CPUID_EXT2_FPU,
1509 .features[FEAT_8000_0001_ECX] =
1510 CPUID_EXT3_TBM | CPUID_EXT3_FMA4 | CPUID_EXT3_XOP |
1511 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE |
1512 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM |
1513 CPUID_EXT3_LAHF_LM,
1514 /* no xsaveopt! */
1515 .xlevel = 0x8000001A,
1516 .model_id = "AMD Opteron 63xx class CPU",
1517 },
1518 };
1519
1520 typedef struct PropValue {
1521 const char *prop, *value;
1522 } PropValue;
1523
1524 /* KVM-specific features that are automatically added/removed
1525 * from all CPU models when KVM is enabled.
1526 */
1527 static PropValue kvm_default_props[] = {
1528 { "kvmclock", "on" },
1529 { "kvm-nopiodelay", "on" },
1530 { "kvm-asyncpf", "on" },
1531 { "kvm-steal-time", "on" },
1532 { "kvm-pv-eoi", "on" },
1533 { "kvmclock-stable-bit", "on" },
1534 { "x2apic", "on" },
1535 { "acpi", "off" },
1536 { "monitor", "off" },
1537 { "svm", "off" },
1538 { NULL, NULL },
1539 };
1540
1541 void x86_cpu_change_kvm_default(const char *prop, const char *value)
1542 {
1543 PropValue *pv;
1544 for (pv = kvm_default_props; pv->prop; pv++) {
1545 if (!strcmp(pv->prop, prop)) {
1546 pv->value = value;
1547 break;
1548 }
1549 }
1550
1551 /* It is valid to call this function only for properties that
1552 * are already present in the kvm_default_props table.
1553 */
1554 assert(pv->prop);
1555 }
1556
1557 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w,
1558 bool migratable_only);
1559
1560 #ifdef CONFIG_KVM
1561
1562 static bool lmce_supported(void)
1563 {
1564 uint64_t mce_cap;
1565
1566 if (kvm_ioctl(kvm_state, KVM_X86_GET_MCE_CAP_SUPPORTED, &mce_cap) < 0) {
1567 return false;
1568 }
1569
1570 return !!(mce_cap & MCG_LMCE_P);
1571 }
1572
1573 static int cpu_x86_fill_model_id(char *str)
1574 {
1575 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
1576 int i;
1577
1578 for (i = 0; i < 3; i++) {
1579 host_cpuid(0x80000002 + i, 0, &eax, &ebx, &ecx, &edx);
1580 memcpy(str + i * 16 + 0, &eax, 4);
1581 memcpy(str + i * 16 + 4, &ebx, 4);
1582 memcpy(str + i * 16 + 8, &ecx, 4);
1583 memcpy(str + i * 16 + 12, &edx, 4);
1584 }
1585 return 0;
1586 }
1587
1588 static X86CPUDefinition host_cpudef;
1589
1590 static Property host_x86_cpu_properties[] = {
1591 DEFINE_PROP_BOOL("migratable", X86CPU, migratable, true),
1592 DEFINE_PROP_BOOL("host-cache-info", X86CPU, cache_info_passthrough, false),
1593 DEFINE_PROP_END_OF_LIST()
1594 };
1595
1596 /* class_init for the "host" CPU model
1597 *
1598 * This function may be called before KVM is initialized.
1599 */
1600 static void host_x86_cpu_class_init(ObjectClass *oc, void *data)
1601 {
1602 DeviceClass *dc = DEVICE_CLASS(oc);
1603 X86CPUClass *xcc = X86_CPU_CLASS(oc);
1604 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0;
1605
1606 xcc->kvm_required = true;
1607
1608 host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx);
1609 x86_cpu_vendor_words2str(host_cpudef.vendor, ebx, edx, ecx);
1610
1611 host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx);
1612 host_cpudef.family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF);
1613 host_cpudef.model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12);
1614 host_cpudef.stepping = eax & 0x0F;
1615
1616 cpu_x86_fill_model_id(host_cpudef.model_id);
1617
1618 xcc->cpu_def = &host_cpudef;
1619
1620 /* level, xlevel, xlevel2, and the feature words are initialized on
1621 * instance_init, because they require KVM to be initialized.
1622 */
1623
1624 dc->props = host_x86_cpu_properties;
1625 /* Reason: host_x86_cpu_initfn() dies when !kvm_enabled() */
1626 dc->cannot_destroy_with_object_finalize_yet = true;
1627 }
1628
1629 static void host_x86_cpu_initfn(Object *obj)
1630 {
1631 X86CPU *cpu = X86_CPU(obj);
1632 CPUX86State *env = &cpu->env;
1633 KVMState *s = kvm_state;
1634
1635 /* We can't fill the features array here because we don't know yet if
1636 * "migratable" is true or false.
1637 */
1638 cpu->host_features = true;
1639
1640 /* If KVM is disabled, x86_cpu_realizefn() will report an error later */
1641 if (kvm_enabled()) {
1642 env->cpuid_level = kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX);
1643 env->cpuid_xlevel = kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX);
1644 env->cpuid_xlevel2 = kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX);
1645
1646 if (lmce_supported()) {
1647 object_property_set_bool(OBJECT(cpu), true, "lmce", &error_abort);
1648 }
1649 }
1650
1651 object_property_set_bool(OBJECT(cpu), true, "pmu", &error_abort);
1652 }
1653
1654 static const TypeInfo host_x86_cpu_type_info = {
1655 .name = X86_CPU_TYPE_NAME("host"),
1656 .parent = TYPE_X86_CPU,
1657 .instance_init = host_x86_cpu_initfn,
1658 .class_init = host_x86_cpu_class_init,
1659 };
1660
1661 #endif
1662
1663 static void report_unavailable_features(FeatureWord w, uint32_t mask)
1664 {
1665 FeatureWordInfo *f = &feature_word_info[w];
1666 int i;
1667
1668 for (i = 0; i < 32; ++i) {
1669 if ((1UL << i) & mask) {
1670 const char *reg = get_register_name_32(f->cpuid_reg);
1671 assert(reg);
1672 fprintf(stderr, "warning: %s doesn't support requested feature: "
1673 "CPUID.%02XH:%s%s%s [bit %d]\n",
1674 kvm_enabled() ? "host" : "TCG",
1675 f->cpuid_eax, reg,
1676 f->feat_names[i] ? "." : "",
1677 f->feat_names[i] ? f->feat_names[i] : "", i);
1678 }
1679 }
1680 }
1681
1682 static void x86_cpuid_version_get_family(Object *obj, Visitor *v,
1683 const char *name, void *opaque,
1684 Error **errp)
1685 {
1686 X86CPU *cpu = X86_CPU(obj);
1687 CPUX86State *env = &cpu->env;
1688 int64_t value;
1689
1690 value = (env->cpuid_version >> 8) & 0xf;
1691 if (value == 0xf) {
1692 value += (env->cpuid_version >> 20) & 0xff;
1693 }
1694 visit_type_int(v, name, &value, errp);
1695 }
1696
1697 static void x86_cpuid_version_set_family(Object *obj, Visitor *v,
1698 const char *name, void *opaque,
1699 Error **errp)
1700 {
1701 X86CPU *cpu = X86_CPU(obj);
1702 CPUX86State *env = &cpu->env;
1703 const int64_t min = 0;
1704 const int64_t max = 0xff + 0xf;
1705 Error *local_err = NULL;
1706 int64_t value;
1707
1708 visit_type_int(v, name, &value, &local_err);
1709 if (local_err) {
1710 error_propagate(errp, local_err);
1711 return;
1712 }
1713 if (value < min || value > max) {
1714 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1715 name ? name : "null", value, min, max);
1716 return;
1717 }
1718
1719 env->cpuid_version &= ~0xff00f00;
1720 if (value > 0x0f) {
1721 env->cpuid_version |= 0xf00 | ((value - 0x0f) << 20);
1722 } else {
1723 env->cpuid_version |= value << 8;
1724 }
1725 }
1726
1727 static void x86_cpuid_version_get_model(Object *obj, Visitor *v,
1728 const char *name, void *opaque,
1729 Error **errp)
1730 {
1731 X86CPU *cpu = X86_CPU(obj);
1732 CPUX86State *env = &cpu->env;
1733 int64_t value;
1734
1735 value = (env->cpuid_version >> 4) & 0xf;
1736 value |= ((env->cpuid_version >> 16) & 0xf) << 4;
1737 visit_type_int(v, name, &value, errp);
1738 }
1739
1740 static void x86_cpuid_version_set_model(Object *obj, Visitor *v,
1741 const char *name, void *opaque,
1742 Error **errp)
1743 {
1744 X86CPU *cpu = X86_CPU(obj);
1745 CPUX86State *env = &cpu->env;
1746 const int64_t min = 0;
1747 const int64_t max = 0xff;
1748 Error *local_err = NULL;
1749 int64_t value;
1750
1751 visit_type_int(v, name, &value, &local_err);
1752 if (local_err) {
1753 error_propagate(errp, local_err);
1754 return;
1755 }
1756 if (value < min || value > max) {
1757 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1758 name ? name : "null", value, min, max);
1759 return;
1760 }
1761
1762 env->cpuid_version &= ~0xf00f0;
1763 env->cpuid_version |= ((value & 0xf) << 4) | ((value >> 4) << 16);
1764 }
1765
1766 static void x86_cpuid_version_get_stepping(Object *obj, Visitor *v,
1767 const char *name, void *opaque,
1768 Error **errp)
1769 {
1770 X86CPU *cpu = X86_CPU(obj);
1771 CPUX86State *env = &cpu->env;
1772 int64_t value;
1773
1774 value = env->cpuid_version & 0xf;
1775 visit_type_int(v, name, &value, errp);
1776 }
1777
1778 static void x86_cpuid_version_set_stepping(Object *obj, Visitor *v,
1779 const char *name, void *opaque,
1780 Error **errp)
1781 {
1782 X86CPU *cpu = X86_CPU(obj);
1783 CPUX86State *env = &cpu->env;
1784 const int64_t min = 0;
1785 const int64_t max = 0xf;
1786 Error *local_err = NULL;
1787 int64_t value;
1788
1789 visit_type_int(v, name, &value, &local_err);
1790 if (local_err) {
1791 error_propagate(errp, local_err);
1792 return;
1793 }
1794 if (value < min || value > max) {
1795 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1796 name ? name : "null", value, min, max);
1797 return;
1798 }
1799
1800 env->cpuid_version &= ~0xf;
1801 env->cpuid_version |= value & 0xf;
1802 }
1803
1804 static char *x86_cpuid_get_vendor(Object *obj, Error **errp)
1805 {
1806 X86CPU *cpu = X86_CPU(obj);
1807 CPUX86State *env = &cpu->env;
1808 char *value;
1809
1810 value = g_malloc(CPUID_VENDOR_SZ + 1);
1811 x86_cpu_vendor_words2str(value, env->cpuid_vendor1, env->cpuid_vendor2,
1812 env->cpuid_vendor3);
1813 return value;
1814 }
1815
1816 static void x86_cpuid_set_vendor(Object *obj, const char *value,
1817 Error **errp)
1818 {
1819 X86CPU *cpu = X86_CPU(obj);
1820 CPUX86State *env = &cpu->env;
1821 int i;
1822
1823 if (strlen(value) != CPUID_VENDOR_SZ) {
1824 error_setg(errp, QERR_PROPERTY_VALUE_BAD, "", "vendor", value);
1825 return;
1826 }
1827
1828 env->cpuid_vendor1 = 0;
1829 env->cpuid_vendor2 = 0;
1830 env->cpuid_vendor3 = 0;
1831 for (i = 0; i < 4; i++) {
1832 env->cpuid_vendor1 |= ((uint8_t)value[i ]) << (8 * i);
1833 env->cpuid_vendor2 |= ((uint8_t)value[i + 4]) << (8 * i);
1834 env->cpuid_vendor3 |= ((uint8_t)value[i + 8]) << (8 * i);
1835 }
1836 }
1837
1838 static char *x86_cpuid_get_model_id(Object *obj, Error **errp)
1839 {
1840 X86CPU *cpu = X86_CPU(obj);
1841 CPUX86State *env = &cpu->env;
1842 char *value;
1843 int i;
1844
1845 value = g_malloc(48 + 1);
1846 for (i = 0; i < 48; i++) {
1847 value[i] = env->cpuid_model[i >> 2] >> (8 * (i & 3));
1848 }
1849 value[48] = '\0';
1850 return value;
1851 }
1852
1853 static void x86_cpuid_set_model_id(Object *obj, const char *model_id,
1854 Error **errp)
1855 {
1856 X86CPU *cpu = X86_CPU(obj);
1857 CPUX86State *env = &cpu->env;
1858 int c, len, i;
1859
1860 if (model_id == NULL) {
1861 model_id = "";
1862 }
1863 len = strlen(model_id);
1864 memset(env->cpuid_model, 0, 48);
1865 for (i = 0; i < 48; i++) {
1866 if (i >= len) {
1867 c = '\0';
1868 } else {
1869 c = (uint8_t)model_id[i];
1870 }
1871 env->cpuid_model[i >> 2] |= c << (8 * (i & 3));
1872 }
1873 }
1874
1875 static void x86_cpuid_get_tsc_freq(Object *obj, Visitor *v, const char *name,
1876 void *opaque, Error **errp)
1877 {
1878 X86CPU *cpu = X86_CPU(obj);
1879 int64_t value;
1880
1881 value = cpu->env.tsc_khz * 1000;
1882 visit_type_int(v, name, &value, errp);
1883 }
1884
1885 static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, const char *name,
1886 void *opaque, Error **errp)
1887 {
1888 X86CPU *cpu = X86_CPU(obj);
1889 const int64_t min = 0;
1890 const int64_t max = INT64_MAX;
1891 Error *local_err = NULL;
1892 int64_t value;
1893
1894 visit_type_int(v, name, &value, &local_err);
1895 if (local_err) {
1896 error_propagate(errp, local_err);
1897 return;
1898 }
1899 if (value < min || value > max) {
1900 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "",
1901 name ? name : "null", value, min, max);
1902 return;
1903 }
1904
1905 cpu->env.tsc_khz = cpu->env.user_tsc_khz = value / 1000;
1906 }
1907
1908 /* Generic getter for "feature-words" and "filtered-features" properties */
1909 static void x86_cpu_get_feature_words(Object *obj, Visitor *v,
1910 const char *name, void *opaque,
1911 Error **errp)
1912 {
1913 uint32_t *array = (uint32_t *)opaque;
1914 FeatureWord w;
1915 X86CPUFeatureWordInfo word_infos[FEATURE_WORDS] = { };
1916 X86CPUFeatureWordInfoList list_entries[FEATURE_WORDS] = { };
1917 X86CPUFeatureWordInfoList *list = NULL;
1918
1919 for (w = 0; w < FEATURE_WORDS; w++) {
1920 FeatureWordInfo *wi = &feature_word_info[w];
1921 X86CPUFeatureWordInfo *qwi = &word_infos[w];
1922 qwi->cpuid_input_eax = wi->cpuid_eax;
1923 qwi->has_cpuid_input_ecx = wi->cpuid_needs_ecx;
1924 qwi->cpuid_input_ecx = wi->cpuid_ecx;
1925 qwi->cpuid_register = x86_reg_info_32[wi->cpuid_reg].qapi_enum;
1926 qwi->features = array[w];
1927
1928 /* List will be in reverse order, but order shouldn't matter */
1929 list_entries[w].next = list;
1930 list_entries[w].value = &word_infos[w];
1931 list = &list_entries[w];
1932 }
1933
1934 visit_type_X86CPUFeatureWordInfoList(v, "feature-words", &list, errp);
1935 }
1936
1937 static void x86_get_hv_spinlocks(Object *obj, Visitor *v, const char *name,
1938 void *opaque, Error **errp)
1939 {
1940 X86CPU *cpu = X86_CPU(obj);
1941 int64_t value = cpu->hyperv_spinlock_attempts;
1942
1943 visit_type_int(v, name, &value, errp);
1944 }
1945
1946 static void x86_set_hv_spinlocks(Object *obj, Visitor *v, const char *name,
1947 void *opaque, Error **errp)
1948 {
1949 const int64_t min = 0xFFF;
1950 const int64_t max = UINT_MAX;
1951 X86CPU *cpu = X86_CPU(obj);
1952 Error *err = NULL;
1953 int64_t value;
1954
1955 visit_type_int(v, name, &value, &err);
1956 if (err) {
1957 error_propagate(errp, err);
1958 return;
1959 }
1960
1961 if (value < min || value > max) {
1962 error_setg(errp, "Property %s.%s doesn't take value %" PRId64
1963 " (minimum: %" PRId64 ", maximum: %" PRId64 ")",
1964 object_get_typename(obj), name ? name : "null",
1965 value, min, max);
1966 return;
1967 }
1968 cpu->hyperv_spinlock_attempts = value;
1969 }
1970
1971 static PropertyInfo qdev_prop_spinlocks = {
1972 .name = "int",
1973 .get = x86_get_hv_spinlocks,
1974 .set = x86_set_hv_spinlocks,
1975 };
1976
1977 /* Convert all '_' in a feature string option name to '-', to make feature
1978 * name conform to QOM property naming rule, which uses '-' instead of '_'.
1979 */
1980 static inline void feat2prop(char *s)
1981 {
1982 while ((s = strchr(s, '_'))) {
1983 *s = '-';
1984 }
1985 }
1986
1987 /* Compatibily hack to maintain legacy +-feat semantic,
1988 * where +-feat overwrites any feature set by
1989 * feat=on|feat even if the later is parsed after +-feat
1990 * (i.e. "-x2apic,x2apic=on" will result in x2apic disabled)
1991 */
1992 static FeatureWordArray plus_features = { 0 };
1993 static FeatureWordArray minus_features = { 0 };
1994
1995 /* Parse "+feature,-feature,feature=foo" CPU feature string
1996 */
1997 static void x86_cpu_parse_featurestr(const char *typename, char *features,
1998 Error **errp)
1999 {
2000 char *featurestr; /* Single 'key=value" string being parsed */
2001 Error *local_err = NULL;
2002 static bool cpu_globals_initialized;
2003
2004 if (cpu_globals_initialized) {
2005 return;
2006 }
2007 cpu_globals_initialized = true;
2008
2009 if (!features) {
2010 return;
2011 }
2012
2013 for (featurestr = strtok(features, ",");
2014 featurestr && !local_err;
2015 featurestr = strtok(NULL, ",")) {
2016 const char *name;
2017 const char *val = NULL;
2018 char *eq = NULL;
2019 char num[32];
2020 GlobalProperty *prop;
2021
2022 /* Compatibility syntax: */
2023 if (featurestr[0] == '+') {
2024 add_flagname_to_bitmaps(featurestr + 1, plus_features, &local_err);
2025 continue;
2026 } else if (featurestr[0] == '-') {
2027 add_flagname_to_bitmaps(featurestr + 1, minus_features, &local_err);
2028 continue;
2029 }
2030
2031 eq = strchr(featurestr, '=');
2032 if (eq) {
2033 *eq++ = 0;
2034 val = eq;
2035 } else {
2036 val = "on";
2037 }
2038
2039 feat2prop(featurestr);
2040 name = featurestr;
2041
2042 /* Special case: */
2043 if (!strcmp(name, "tsc-freq")) {
2044 int64_t tsc_freq;
2045 char *err;
2046
2047 tsc_freq = qemu_strtosz_suffix_unit(val, &err,
2048 QEMU_STRTOSZ_DEFSUFFIX_B, 1000);
2049 if (tsc_freq < 0 || *err) {
2050 error_setg(errp, "bad numerical value %s", val);
2051 return;
2052 }
2053 snprintf(num, sizeof(num), "%" PRId64, tsc_freq);
2054 val = num;
2055 name = "tsc-frequency";
2056 }
2057
2058 prop = g_new0(typeof(*prop), 1);
2059 prop->driver = typename;
2060 prop->property = g_strdup(name);
2061 prop->value = g_strdup(val);
2062 prop->errp = &error_fatal;
2063 qdev_prop_register_global(prop);
2064 }
2065
2066 if (local_err) {
2067 error_propagate(errp, local_err);
2068 }
2069 }
2070
2071 /* Print all cpuid feature names in featureset
2072 */
2073 static void listflags(FILE *f, fprintf_function print, const char **featureset)
2074 {
2075 int bit;
2076 bool first = true;
2077
2078 for (bit = 0; bit < 32; bit++) {
2079 if (featureset[bit]) {
2080 print(f, "%s%s", first ? "" : " ", featureset[bit]);
2081 first = false;
2082 }
2083 }
2084 }
2085
2086 /* generate CPU information. */
2087 void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf)
2088 {
2089 X86CPUDefinition *def;
2090 char buf[256];
2091 int i;
2092
2093 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
2094 def = &builtin_x86_defs[i];
2095 snprintf(buf, sizeof(buf), "%s", def->name);
2096 (*cpu_fprintf)(f, "x86 %16s %-48s\n", buf, def->model_id);
2097 }
2098 #ifdef CONFIG_KVM
2099 (*cpu_fprintf)(f, "x86 %16s %-48s\n", "host",
2100 "KVM processor with all supported host features "
2101 "(only available in KVM mode)");
2102 #endif
2103
2104 (*cpu_fprintf)(f, "\nRecognized CPUID flags:\n");
2105 for (i = 0; i < ARRAY_SIZE(feature_word_info); i++) {
2106 FeatureWordInfo *fw = &feature_word_info[i];
2107
2108 (*cpu_fprintf)(f, " ");
2109 listflags(f, cpu_fprintf, fw->feat_names);
2110 (*cpu_fprintf)(f, "\n");
2111 }
2112 }
2113
2114 CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp)
2115 {
2116 CpuDefinitionInfoList *cpu_list = NULL;
2117 X86CPUDefinition *def;
2118 int i;
2119
2120 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
2121 CpuDefinitionInfoList *entry;
2122 CpuDefinitionInfo *info;
2123
2124 def = &builtin_x86_defs[i];
2125 info = g_malloc0(sizeof(*info));
2126 info->name = g_strdup(def->name);
2127
2128 entry = g_malloc0(sizeof(*entry));
2129 entry->value = info;
2130 entry->next = cpu_list;
2131 cpu_list = entry;
2132 }
2133
2134 return cpu_list;
2135 }
2136
2137 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w,
2138 bool migratable_only)
2139 {
2140 FeatureWordInfo *wi = &feature_word_info[w];
2141 uint32_t r;
2142
2143 if (kvm_enabled()) {
2144 r = kvm_arch_get_supported_cpuid(kvm_state, wi->cpuid_eax,
2145 wi->cpuid_ecx,
2146 wi->cpuid_reg);
2147 } else if (tcg_enabled()) {
2148 r = wi->tcg_features;
2149 } else {
2150 return ~0;
2151 }
2152 if (migratable_only) {
2153 r &= x86_cpu_get_migratable_flags(w);
2154 }
2155 return r;
2156 }
2157
2158 /*
2159 * Filters CPU feature words based on host availability of each feature.
2160 *
2161 * Returns: 0 if all flags are supported by the host, non-zero otherwise.
2162 */
2163 static int x86_cpu_filter_features(X86CPU *cpu)
2164 {
2165 CPUX86State *env = &cpu->env;
2166 FeatureWord w;
2167 int rv = 0;
2168
2169 for (w = 0; w < FEATURE_WORDS; w++) {
2170 uint32_t host_feat =
2171 x86_cpu_get_supported_feature_word(w, cpu->migratable);
2172 uint32_t requested_features = env->features[w];
2173 env->features[w] &= host_feat;
2174 cpu->filtered_features[w] = requested_features & ~env->features[w];
2175 if (cpu->filtered_features[w]) {
2176 if (cpu->check_cpuid || cpu->enforce_cpuid) {
2177 report_unavailable_features(w, cpu->filtered_features[w]);
2178 }
2179 rv = 1;
2180 }
2181 }
2182
2183 return rv;
2184 }
2185
2186 static void x86_cpu_apply_props(X86CPU *cpu, PropValue *props)
2187 {
2188 PropValue *pv;
2189 for (pv = props; pv->prop; pv++) {
2190 if (!pv->value) {
2191 continue;
2192 }
2193 object_property_parse(OBJECT(cpu), pv->value, pv->prop,
2194 &error_abort);
2195 }
2196 }
2197
2198 /* Load data from X86CPUDefinition
2199 */
2200 static void x86_cpu_load_def(X86CPU *cpu, X86CPUDefinition *def, Error **errp)
2201 {
2202 CPUX86State *env = &cpu->env;
2203 const char *vendor;
2204 char host_vendor[CPUID_VENDOR_SZ + 1];
2205 FeatureWord w;
2206
2207 object_property_set_int(OBJECT(cpu), def->level, "level", errp);
2208 object_property_set_int(OBJECT(cpu), def->family, "family", errp);
2209 object_property_set_int(OBJECT(cpu), def->model, "model", errp);
2210 object_property_set_int(OBJECT(cpu), def->stepping, "stepping", errp);
2211 object_property_set_int(OBJECT(cpu), def->xlevel, "xlevel", errp);
2212 object_property_set_int(OBJECT(cpu), def->xlevel2, "xlevel2", errp);
2213 object_property_set_str(OBJECT(cpu), def->model_id, "model-id", errp);
2214 for (w = 0; w < FEATURE_WORDS; w++) {
2215 env->features[w] = def->features[w];
2216 }
2217
2218 /* Special cases not set in the X86CPUDefinition structs: */
2219 if (kvm_enabled()) {
2220 if (!kvm_irqchip_in_kernel()) {
2221 x86_cpu_change_kvm_default("x2apic", "off");
2222 }
2223
2224 x86_cpu_apply_props(cpu, kvm_default_props);
2225 }
2226
2227 env->features[FEAT_1_ECX] |= CPUID_EXT_HYPERVISOR;
2228
2229 /* sysenter isn't supported in compatibility mode on AMD,
2230 * syscall isn't supported in compatibility mode on Intel.
2231 * Normally we advertise the actual CPU vendor, but you can
2232 * override this using the 'vendor' property if you want to use
2233 * KVM's sysenter/syscall emulation in compatibility mode and
2234 * when doing cross vendor migration
2235 */
2236 vendor = def->vendor;
2237 if (kvm_enabled()) {
2238 uint32_t ebx = 0, ecx = 0, edx = 0;
2239 host_cpuid(0, 0, NULL, &ebx, &ecx, &edx);
2240 x86_cpu_vendor_words2str(host_vendor, ebx, edx, ecx);
2241 vendor = host_vendor;
2242 }
2243
2244 object_property_set_str(OBJECT(cpu), vendor, "vendor", errp);
2245
2246 }
2247
2248 X86CPU *cpu_x86_init(const char *cpu_model)
2249 {
2250 return X86_CPU(cpu_generic_init(TYPE_X86_CPU, cpu_model));
2251 }
2252
2253 static void x86_cpu_cpudef_class_init(ObjectClass *oc, void *data)
2254 {
2255 X86CPUDefinition *cpudef = data;
2256 X86CPUClass *xcc = X86_CPU_CLASS(oc);
2257
2258 xcc->cpu_def = cpudef;
2259 }
2260
2261 static void x86_register_cpudef_type(X86CPUDefinition *def)
2262 {
2263 char *typename = x86_cpu_type_name(def->name);
2264 TypeInfo ti = {
2265 .name = typename,
2266 .parent = TYPE_X86_CPU,
2267 .class_init = x86_cpu_cpudef_class_init,
2268 .class_data = def,
2269 };
2270
2271 type_register(&ti);
2272 g_free(typename);
2273 }
2274
2275 #if !defined(CONFIG_USER_ONLY)
2276
2277 void cpu_clear_apic_feature(CPUX86State *env)
2278 {
2279 env->features[FEAT_1_EDX] &= ~CPUID_APIC;
2280 }
2281
2282 #endif /* !CONFIG_USER_ONLY */
2283
2284 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
2285 uint32_t *eax, uint32_t *ebx,
2286 uint32_t *ecx, uint32_t *edx)
2287 {
2288 X86CPU *cpu = x86_env_get_cpu(env);
2289 CPUState *cs = CPU(cpu);
2290 uint32_t pkg_offset;
2291
2292 /* test if maximum index reached */
2293 if (index & 0x80000000) {
2294 if (index > env->cpuid_xlevel) {
2295 if (env->cpuid_xlevel2 > 0) {
2296 /* Handle the Centaur's CPUID instruction. */
2297 if (index > env->cpuid_xlevel2) {
2298 index = env->cpuid_xlevel2;
2299 } else if (index < 0xC0000000) {
2300 index = env->cpuid_xlevel;
2301 }
2302 } else {
2303 /* Intel documentation states that invalid EAX input will
2304 * return the same information as EAX=cpuid_level
2305 * (Intel SDM Vol. 2A - Instruction Set Reference - CPUID)
2306 */
2307 index = env->cpuid_level;
2308 }
2309 }
2310 } else {
2311 if (index > env->cpuid_level)
2312 index = env->cpuid_level;
2313 }
2314
2315 switch(index) {
2316 case 0:
2317 *eax = env->cpuid_level;
2318 *ebx = env->cpuid_vendor1;
2319 *edx = env->cpuid_vendor2;
2320 *ecx = env->cpuid_vendor3;
2321 break;
2322 case 1:
2323 *eax = env->cpuid_version;
2324 *ebx = (cpu->apic_id << 24) |
2325 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */
2326 *ecx = env->features[FEAT_1_ECX];
2327 if ((*ecx & CPUID_EXT_XSAVE) && (env->cr[4] & CR4_OSXSAVE_MASK)) {
2328 *ecx |= CPUID_EXT_OSXSAVE;
2329 }
2330 *edx = env->features[FEAT_1_EDX];
2331 if (cs->nr_cores * cs->nr_threads > 1) {
2332 *ebx |= (cs->nr_cores * cs->nr_threads) << 16;
2333 *edx |= CPUID_HT;
2334 }
2335 break;
2336 case 2:
2337 /* cache info: needed for Pentium Pro compatibility */
2338 if (cpu->cache_info_passthrough) {
2339 host_cpuid(index, 0, eax, ebx, ecx, edx);
2340 break;
2341 }
2342 *eax = 1; /* Number of CPUID[EAX=2] calls required */
2343 *ebx = 0;
2344 if (!cpu->enable_l3_cache) {
2345 *ecx = 0;
2346 } else {
2347 *ecx = L3_N_DESCRIPTOR;
2348 }
2349 *edx = (L1D_DESCRIPTOR << 16) | \
2350 (L1I_DESCRIPTOR << 8) | \
2351 (L2_DESCRIPTOR);
2352 break;
2353 case 4:
2354 /* cache info: needed for Core compatibility */
2355 if (cpu->cache_info_passthrough) {
2356 host_cpuid(index, count, eax, ebx, ecx, edx);
2357 *eax &= ~0xFC000000;
2358 } else {
2359 *eax = 0;
2360 switch (count) {
2361 case 0: /* L1 dcache info */
2362 *eax |= CPUID_4_TYPE_DCACHE | \
2363 CPUID_4_LEVEL(1) | \
2364 CPUID_4_SELF_INIT_LEVEL;
2365 *ebx = (L1D_LINE_SIZE - 1) | \
2366 ((L1D_PARTITIONS - 1) << 12) | \
2367 ((L1D_ASSOCIATIVITY - 1) << 22);
2368 *ecx = L1D_SETS - 1;
2369 *edx = CPUID_4_NO_INVD_SHARING;
2370 break;
2371 case 1: /* L1 icache info */
2372 *eax |= CPUID_4_TYPE_ICACHE | \
2373 CPUID_4_LEVEL(1) | \
2374 CPUID_4_SELF_INIT_LEVEL;
2375 *ebx = (L1I_LINE_SIZE - 1) | \
2376 ((L1I_PARTITIONS - 1) << 12) | \
2377 ((L1I_ASSOCIATIVITY - 1) << 22);
2378 *ecx = L1I_SETS - 1;
2379 *edx = CPUID_4_NO_INVD_SHARING;
2380 break;
2381 case 2: /* L2 cache info */
2382 *eax |= CPUID_4_TYPE_UNIFIED | \
2383 CPUID_4_LEVEL(2) | \
2384 CPUID_4_SELF_INIT_LEVEL;
2385 if (cs->nr_threads > 1) {
2386 *eax |= (cs->nr_threads - 1) << 14;
2387 }
2388 *ebx = (L2_LINE_SIZE - 1) | \
2389 ((L2_PARTITIONS - 1) << 12) | \
2390 ((L2_ASSOCIATIVITY - 1) << 22);
2391 *ecx = L2_SETS - 1;
2392 *edx = CPUID_4_NO_INVD_SHARING;
2393 break;
2394 case 3: /* L3 cache info */
2395 if (!cpu->enable_l3_cache) {
2396 *eax = 0;
2397 *ebx = 0;
2398 *ecx = 0;
2399 *edx = 0;
2400 break;
2401 }
2402 *eax |= CPUID_4_TYPE_UNIFIED | \
2403 CPUID_4_LEVEL(3) | \
2404 CPUID_4_SELF_INIT_LEVEL;
2405 pkg_offset = apicid_pkg_offset(cs->nr_cores, cs->nr_threads);
2406 *eax |= ((1 << pkg_offset) - 1) << 14;
2407 *ebx = (L3_N_LINE_SIZE - 1) | \
2408 ((L3_N_PARTITIONS - 1) << 12) | \
2409 ((L3_N_ASSOCIATIVITY - 1) << 22);
2410 *ecx = L3_N_SETS - 1;
2411 *edx = CPUID_4_INCLUSIVE | CPUID_4_COMPLEX_IDX;
2412 break;
2413 default: /* end of info */
2414 *eax = 0;
2415 *ebx = 0;
2416 *ecx = 0;
2417 *edx = 0;
2418 break;
2419 }
2420 }
2421
2422 /* QEMU gives out its own APIC IDs, never pass down bits 31..26. */
2423 if ((*eax & 31) && cs->nr_cores > 1) {
2424 *eax |= (cs->nr_cores - 1) << 26;
2425 }
2426 break;
2427 case 5:
2428 /* mwait info: needed for Core compatibility */
2429 *eax = 0; /* Smallest monitor-line size in bytes */
2430 *ebx = 0; /* Largest monitor-line size in bytes */
2431 *ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE;
2432 *edx = 0;
2433 break;
2434 case 6:
2435 /* Thermal and Power Leaf */
2436 *eax = env->features[FEAT_6_EAX];
2437 *ebx = 0;
2438 *ecx = 0;
2439 *edx = 0;
2440 break;
2441 case 7:
2442 /* Structured Extended Feature Flags Enumeration Leaf */
2443 if (count == 0) {
2444 *eax = 0; /* Maximum ECX value for sub-leaves */
2445 *ebx = env->features[FEAT_7_0_EBX]; /* Feature flags */
2446 *ecx = env->features[FEAT_7_0_ECX]; /* Feature flags */
2447 if ((*ecx & CPUID_7_0_ECX_PKU) && env->cr[4] & CR4_PKE_MASK) {
2448 *ecx |= CPUID_7_0_ECX_OSPKE;
2449 }
2450 *edx = 0; /* Reserved */
2451 } else {
2452 *eax = 0;
2453 *ebx = 0;
2454 *ecx = 0;
2455 *edx = 0;
2456 }
2457 break;
2458 case 9:
2459 /* Direct Cache Access Information Leaf */
2460 *eax = 0; /* Bits 0-31 in DCA_CAP MSR */
2461 *ebx = 0;
2462 *ecx = 0;
2463 *edx = 0;
2464 break;
2465 case 0xA:
2466 /* Architectural Performance Monitoring Leaf */
2467 if (kvm_enabled() && cpu->enable_pmu) {
2468 KVMState *s = cs->kvm_state;
2469
2470 *eax = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EAX);
2471 *ebx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EBX);
2472 *ecx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_ECX);
2473 *edx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EDX);
2474 } else {
2475 *eax = 0;
2476 *ebx = 0;
2477 *ecx = 0;
2478 *edx = 0;
2479 }
2480 break;
2481 case 0xB:
2482 /* Extended Topology Enumeration Leaf */
2483 if (!cpu->enable_cpuid_0xb) {
2484 *eax = *ebx = *ecx = *edx = 0;
2485 break;
2486 }
2487
2488 *ecx = count & 0xff;
2489 *edx = cpu->apic_id;
2490
2491 switch (count) {
2492 case 0:
2493 *eax = apicid_core_offset(smp_cores, smp_threads);
2494 *ebx = smp_threads;
2495 *ecx |= CPUID_TOPOLOGY_LEVEL_SMT;
2496 break;
2497 case 1:
2498 *eax = apicid_pkg_offset(smp_cores, smp_threads);
2499 *ebx = smp_cores * smp_threads;
2500 *ecx |= CPUID_TOPOLOGY_LEVEL_CORE;
2501 break;
2502 default:
2503 *eax = 0;
2504 *ebx = 0;
2505 *ecx |= CPUID_TOPOLOGY_LEVEL_INVALID;
2506 }
2507
2508 assert(!(*eax & ~0x1f));
2509 *ebx &= 0xffff; /* The count doesn't need to be reliable. */
2510 break;
2511 case 0xD: {
2512 KVMState *s = cs->kvm_state;
2513 uint64_t ena_mask;
2514 int i;
2515
2516 /* Processor Extended State */
2517 *eax = 0;
2518 *ebx = 0;
2519 *ecx = 0;
2520 *edx = 0;
2521 if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE)) {
2522 break;
2523 }
2524 if (kvm_enabled()) {
2525 ena_mask = kvm_arch_get_supported_cpuid(s, 0xd, 0, R_EDX);
2526 ena_mask <<= 32;
2527 ena_mask |= kvm_arch_get_supported_cpuid(s, 0xd, 0, R_EAX);
2528 } else {
2529 ena_mask = -1;
2530 }
2531
2532 if (count == 0) {
2533 *ecx = 0x240;
2534 for (i = 2; i < ARRAY_SIZE(x86_ext_save_areas); i++) {
2535 const ExtSaveArea *esa = &x86_ext_save_areas[i];
2536 if ((env->features[esa->feature] & esa->bits) == esa->bits
2537 && ((ena_mask >> i) & 1) != 0) {
2538 if (i < 32) {
2539 *eax |= 1u << i;
2540 } else {
2541 *edx |= 1u << (i - 32);
2542 }
2543 *ecx = MAX(*ecx, esa->offset + esa->size);
2544 }
2545 }
2546 *eax |= ena_mask & (XSTATE_FP_MASK | XSTATE_SSE_MASK);
2547 *ebx = *ecx;
2548 } else if (count == 1) {
2549 *eax = env->features[FEAT_XSAVE];
2550 } else if (count < ARRAY_SIZE(x86_ext_save_areas)) {
2551 const ExtSaveArea *esa = &x86_ext_save_areas[count];
2552 if ((env->features[esa->feature] & esa->bits) == esa->bits
2553 && ((ena_mask >> count) & 1) != 0) {
2554 *eax = esa->size;
2555 *ebx = esa->offset;
2556 }
2557 }
2558 break;
2559 }
2560 case 0x80000000:
2561 *eax = env->cpuid_xlevel;
2562 *ebx = env->cpuid_vendor1;
2563 *edx = env->cpuid_vendor2;
2564 *ecx = env->cpuid_vendor3;
2565 break;
2566 case 0x80000001:
2567 *eax = env->cpuid_version;
2568 *ebx = 0;
2569 *ecx = env->features[FEAT_8000_0001_ECX];
2570 *edx = env->features[FEAT_8000_0001_EDX];
2571
2572 /* The Linux kernel checks for the CMPLegacy bit and
2573 * discards multiple thread information if it is set.
2574 * So don't set it here for Intel to make Linux guests happy.
2575 */
2576 if (cs->nr_cores * cs->nr_threads > 1) {
2577 if (env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1 ||
2578 env->cpuid_vendor2 != CPUID_VENDOR_INTEL_2 ||
2579 env->cpuid_vendor3 != CPUID_VENDOR_INTEL_3) {
2580 *ecx |= 1 << 1; /* CmpLegacy bit */
2581 }
2582 }
2583 break;
2584 case 0x80000002:
2585 case 0x80000003:
2586 case 0x80000004:
2587 *eax = env->cpuid_model[(index - 0x80000002) * 4 + 0];
2588 *ebx = env->cpuid_model[(index - 0x80000002) * 4 + 1];
2589 *ecx = env->cpuid_model[(index - 0x80000002) * 4 + 2];
2590 *edx = env->cpuid_model[(index - 0x80000002) * 4 + 3];
2591 break;
2592 case 0x80000005:
2593 /* cache info (L1 cache) */
2594 if (cpu->cache_info_passthrough) {
2595 host_cpuid(index, 0, eax, ebx, ecx, edx);
2596 break;
2597 }
2598 *eax = (L1_DTLB_2M_ASSOC << 24) | (L1_DTLB_2M_ENTRIES << 16) | \
2599 (L1_ITLB_2M_ASSOC << 8) | (L1_ITLB_2M_ENTRIES);
2600 *ebx = (L1_DTLB_4K_ASSOC << 24) | (L1_DTLB_4K_ENTRIES << 16) | \
2601 (L1_ITLB_4K_ASSOC << 8) | (L1_ITLB_4K_ENTRIES);
2602 *ecx = (L1D_SIZE_KB_AMD << 24) | (L1D_ASSOCIATIVITY_AMD << 16) | \
2603 (L1D_LINES_PER_TAG << 8) | (L1D_LINE_SIZE);
2604 *edx = (L1I_SIZE_KB_AMD << 24) | (L1I_ASSOCIATIVITY_AMD << 16) | \
2605 (L1I_LINES_PER_TAG << 8) | (L1I_LINE_SIZE);
2606 break;
2607 case 0x80000006:
2608 /* cache info (L2 cache) */
2609 if (cpu->cache_info_passthrough) {
2610 host_cpuid(index, 0, eax, ebx, ecx, edx);
2611 break;
2612 }
2613 *eax = (AMD_ENC_ASSOC(L2_DTLB_2M_ASSOC) << 28) | \
2614 (L2_DTLB_2M_ENTRIES << 16) | \
2615 (AMD_ENC_ASSOC(L2_ITLB_2M_ASSOC) << 12) | \
2616 (L2_ITLB_2M_ENTRIES);
2617 *ebx = (AMD_ENC_ASSOC(L2_DTLB_4K_ASSOC) << 28) | \
2618 (L2_DTLB_4K_ENTRIES << 16) | \
2619 (AMD_ENC_ASSOC(L2_ITLB_4K_ASSOC) << 12) | \
2620 (L2_ITLB_4K_ENTRIES);
2621 *ecx = (L2_SIZE_KB_AMD << 16) | \
2622 (AMD_ENC_ASSOC(L2_ASSOCIATIVITY) << 12) | \
2623 (L2_LINES_PER_TAG << 8) | (L2_LINE_SIZE);
2624 if (!cpu->enable_l3_cache) {
2625 *edx = ((L3_SIZE_KB / 512) << 18) | \
2626 (AMD_ENC_ASSOC(L3_ASSOCIATIVITY) << 12) | \
2627 (L3_LINES_PER_TAG << 8) | (L3_LINE_SIZE);
2628 } else {
2629 *edx = ((L3_N_SIZE_KB_AMD / 512) << 18) | \
2630 (AMD_ENC_ASSOC(L3_N_ASSOCIATIVITY) << 12) | \
2631 (L3_N_LINES_PER_TAG << 8) | (L3_N_LINE_SIZE);
2632 }
2633 break;
2634 case 0x80000007:
2635 *eax = 0;
2636 *ebx = 0;
2637 *ecx = 0;
2638 *edx = env->features[FEAT_8000_0007_EDX];
2639 break;
2640 case 0x80000008:
2641 /* virtual & phys address size in low 2 bytes. */
2642 if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) {
2643 /* 64 bit processor, 48 bits virtual, configurable
2644 * physical bits.
2645 */
2646 *eax = 0x00003000 + cpu->phys_bits;
2647 } else {
2648 *eax = cpu->phys_bits;
2649 }
2650 *ebx = 0;
2651 *ecx = 0;
2652 *edx = 0;
2653 if (cs->nr_cores * cs->nr_threads > 1) {
2654 *ecx |= (cs->nr_cores * cs->nr_threads) - 1;
2655 }
2656 break;
2657 case 0x8000000A:
2658 if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) {
2659 *eax = 0x00000001; /* SVM Revision */
2660 *ebx = 0x00000010; /* nr of ASIDs */
2661 *ecx = 0;
2662 *edx = env->features[FEAT_SVM]; /* optional features */
2663 } else {
2664 *eax = 0;
2665 *ebx = 0;
2666 *ecx = 0;
2667 *edx = 0;
2668 }
2669 break;
2670 case 0xC0000000:
2671 *eax = env->cpuid_xlevel2;
2672 *ebx = 0;
2673 *ecx = 0;
2674 *edx = 0;
2675 break;
2676 case 0xC0000001:
2677 /* Support for VIA CPU's CPUID instruction */
2678 *eax = env->cpuid_version;
2679 *ebx = 0;
2680 *ecx = 0;
2681 *edx = env->features[FEAT_C000_0001_EDX];
2682 break;
2683 case 0xC0000002:
2684 case 0xC0000003:
2685 case 0xC0000004:
2686 /* Reserved for the future, and now filled with zero */
2687 *eax = 0;
2688 *ebx = 0;
2689 *ecx = 0;
2690 *edx = 0;
2691 break;
2692 default:
2693 /* reserved values: zero */
2694 *eax = 0;
2695 *ebx = 0;
2696 *ecx = 0;
2697 *edx = 0;
2698 break;
2699 }
2700 }
2701
2702 /* CPUClass::reset() */
2703 static void x86_cpu_reset(CPUState *s)
2704 {
2705 X86CPU *cpu = X86_CPU(s);
2706 X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu);
2707 CPUX86State *env = &cpu->env;
2708 target_ulong cr4;
2709 uint64_t xcr0;
2710 int i;
2711
2712 xcc->parent_reset(s);
2713
2714 memset(env, 0, offsetof(CPUX86State, cpuid_level));
2715
2716 tlb_flush(s, 1);
2717
2718 env->old_exception = -1;
2719
2720 /* init to reset state */
2721
2722 env->hflags2 |= HF2_GIF_MASK;
2723
2724 cpu_x86_update_cr0(env, 0x60000010);
2725 env->a20_mask = ~0x0;
2726 env->smbase = 0x30000;
2727
2728 env->idt.limit = 0xffff;
2729 env->gdt.limit = 0xffff;
2730 env->ldt.limit = 0xffff;
2731 env->ldt.flags = DESC_P_MASK | (2 << DESC_TYPE_SHIFT);
2732 env->tr.limit = 0xffff;
2733 env->tr.flags = DESC_P_MASK | (11 << DESC_TYPE_SHIFT);
2734
2735 cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff,
2736 DESC_P_MASK | DESC_S_MASK | DESC_CS_MASK |
2737 DESC_R_MASK | DESC_A_MASK);
2738 cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff,
2739 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2740 DESC_A_MASK);
2741 cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff,
2742 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2743 DESC_A_MASK);
2744 cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff,
2745 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2746 DESC_A_MASK);
2747 cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff,
2748 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2749 DESC_A_MASK);
2750 cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff,
2751 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK |
2752 DESC_A_MASK);
2753
2754 env->eip = 0xfff0;
2755 env->regs[R_EDX] = env->cpuid_version;
2756
2757 env->eflags = 0x2;
2758
2759 /* FPU init */
2760 for (i = 0; i < 8; i++) {
2761 env->fptags[i] = 1;
2762 }
2763 cpu_set_fpuc(env, 0x37f);
2764
2765 env->mxcsr = 0x1f80;
2766 /* All units are in INIT state. */
2767 env->xstate_bv = 0;
2768
2769 env->pat = 0x0007040600070406ULL;
2770 env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT;
2771
2772 memset(env->dr, 0, sizeof(env->dr));
2773 env->dr[6] = DR6_FIXED_1;
2774 env->dr[7] = DR7_FIXED_1;
2775 cpu_breakpoint_remove_all(s, BP_CPU);
2776 cpu_watchpoint_remove_all(s, BP_CPU);
2777
2778 cr4 = 0;
2779 xcr0 = XSTATE_FP_MASK;
2780
2781 #ifdef CONFIG_USER_ONLY
2782 /* Enable all the features for user-mode. */
2783 if (env->features[FEAT_1_EDX] & CPUID_SSE) {
2784 xcr0 |= XSTATE_SSE_MASK;
2785 }
2786 for (i = 2; i < ARRAY_SIZE(x86_ext_save_areas); i++) {
2787 const ExtSaveArea *esa = &x86_ext_save_areas[i];
2788 if ((env->features[esa->feature] & esa->bits) == esa->bits) {
2789 xcr0 |= 1ull << i;
2790 }
2791 }
2792
2793 if (env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE) {
2794 cr4 |= CR4_OSFXSR_MASK | CR4_OSXSAVE_MASK;
2795 }
2796 if (env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE) {
2797 cr4 |= CR4_FSGSBASE_MASK;
2798 }
2799 #endif
2800
2801 env->xcr0 = xcr0;
2802 cpu_x86_update_cr4(env, cr4);
2803
2804 /*
2805 * SDM 11.11.5 requires:
2806 * - IA32_MTRR_DEF_TYPE MSR.E = 0
2807 * - IA32_MTRR_PHYSMASKn.V = 0
2808 * All other bits are undefined. For simplification, zero it all.
2809 */
2810 env->mtrr_deftype = 0;
2811 memset(env->mtrr_var, 0, sizeof(env->mtrr_var));
2812 memset(env->mtrr_fixed, 0, sizeof(env->mtrr_fixed));
2813
2814 #if !defined(CONFIG_USER_ONLY)
2815 /* We hard-wire the BSP to the first CPU. */
2816 apic_designate_bsp(cpu->apic_state, s->cpu_index == 0);
2817
2818 s->halted = !cpu_is_bsp(cpu);
2819
2820 if (kvm_enabled()) {
2821 kvm_arch_reset_vcpu(cpu);
2822 }
2823 #endif
2824 }
2825
2826 #ifndef CONFIG_USER_ONLY
2827 bool cpu_is_bsp(X86CPU *cpu)
2828 {
2829 return cpu_get_apic_base(cpu->apic_state) & MSR_IA32_APICBASE_BSP;
2830 }
2831
2832 /* TODO: remove me, when reset over QOM tree is implemented */
2833 static void x86_cpu_machine_reset_cb(void *opaque)
2834 {
2835 X86CPU *cpu = opaque;
2836 cpu_reset(CPU(cpu));
2837 }
2838 #endif
2839
2840 static void mce_init(X86CPU *cpu)
2841 {
2842 CPUX86State *cenv = &cpu->env;
2843 unsigned int bank;
2844
2845 if (((cenv->cpuid_version >> 8) & 0xf) >= 6
2846 && (cenv->features[FEAT_1_EDX] & (CPUID_MCE | CPUID_MCA)) ==
2847 (CPUID_MCE | CPUID_MCA)) {
2848 cenv->mcg_cap = MCE_CAP_DEF | MCE_BANKS_DEF |
2849 (cpu->enable_lmce ? MCG_LMCE_P : 0);
2850 cenv->mcg_ctl = ~(uint64_t)0;
2851 for (bank = 0; bank < MCE_BANKS_DEF; bank++) {
2852 cenv->mce_banks[bank * 4] = ~(uint64_t)0;
2853 }
2854 }
2855 }
2856
2857 #ifndef CONFIG_USER_ONLY
2858 static void x86_cpu_apic_create(X86CPU *cpu, Error **errp)
2859 {
2860 APICCommonState *apic;
2861 const char *apic_type = "apic";
2862
2863 if (kvm_apic_in_kernel()) {
2864 apic_type = "kvm-apic";
2865 } else if (xen_enabled()) {
2866 apic_type = "xen-apic";
2867 }
2868
2869 cpu->apic_state = DEVICE(object_new(apic_type));
2870
2871 object_property_add_child(OBJECT(cpu), "lapic",
2872 OBJECT(cpu->apic_state), &error_abort);
2873 object_unref(OBJECT(cpu->apic_state));
2874
2875 qdev_prop_set_uint8(cpu->apic_state, "id", cpu->apic_id);
2876 /* TODO: convert to link<> */
2877 apic = APIC_COMMON(cpu->apic_state);
2878 apic->cpu = cpu;
2879 apic->apicbase = APIC_DEFAULT_ADDRESS | MSR_IA32_APICBASE_ENABLE;
2880 }
2881
2882 static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
2883 {
2884 APICCommonState *apic;
2885 static bool apic_mmio_map_once;
2886
2887 if (cpu->apic_state == NULL) {
2888 return;
2889 }
2890 object_property_set_bool(OBJECT(cpu->apic_state), true, "realized",
2891 errp);
2892
2893 /* Map APIC MMIO area */
2894 apic = APIC_COMMON(cpu->apic_state);
2895 if (!apic_mmio_map_once) {
2896 memory_region_add_subregion_overlap(get_system_memory(),
2897 apic->apicbase &
2898 MSR_IA32_APICBASE_BASE,
2899 &apic->io_memory,
2900 0x1000);
2901 apic_mmio_map_once = true;
2902 }
2903 }
2904
2905 static void x86_cpu_machine_done(Notifier *n, void *unused)
2906 {
2907 X86CPU *cpu = container_of(n, X86CPU, machine_done);
2908 MemoryRegion *smram =
2909 (MemoryRegion *) object_resolve_path("/machine/smram", NULL);
2910
2911 if (smram) {
2912 cpu->smram = g_new(MemoryRegion, 1);
2913 memory_region_init_alias(cpu->smram, OBJECT(cpu), "smram",
2914 smram, 0, 1ull << 32);
2915 memory_region_set_enabled(cpu->smram, false);
2916 memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->smram, 1);
2917 }
2918 }
2919 #else
2920 static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp)
2921 {
2922 }
2923 #endif
2924
2925 /* Note: Only safe for use on x86(-64) hosts */
2926 static uint32_t x86_host_phys_bits(void)
2927 {
2928 uint32_t eax;
2929 uint32_t host_phys_bits;
2930
2931 host_cpuid(0x80000000, 0, &eax, NULL, NULL, NULL);
2932 if (eax >= 0x80000008) {
2933 host_cpuid(0x80000008, 0, &eax, NULL, NULL, NULL);
2934 /* Note: According to AMD doc 25481 rev 2.34 they have a field
2935 * at 23:16 that can specify a maximum physical address bits for
2936 * the guest that can override this value; but I've not seen
2937 * anything with that set.
2938 */
2939 host_phys_bits = eax & 0xff;
2940 } else {
2941 /* It's an odd 64 bit machine that doesn't have the leaf for
2942 * physical address bits; fall back to 36 that's most older
2943 * Intel.
2944 */
2945 host_phys_bits = 36;
2946 }
2947
2948 return host_phys_bits;
2949 }
2950
2951 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \
2952 (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \
2953 (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3)
2954 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \
2955 (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \
2956 (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3)
2957 static void x86_cpu_realizefn(DeviceState *dev, Error **errp)
2958 {
2959 CPUState *cs = CPU(dev);
2960 X86CPU *cpu = X86_CPU(dev);
2961 X86CPUClass *xcc = X86_CPU_GET_CLASS(dev);
2962 CPUX86State *env = &cpu->env;
2963 Error *local_err = NULL;
2964 static bool ht_warned;
2965 FeatureWord w;
2966
2967 if (xcc->kvm_required && !kvm_enabled()) {
2968 char *name = x86_cpu_class_get_model_name(xcc);
2969 error_setg(&local_err, "CPU model '%s' requires KVM", name);
2970 g_free(name);
2971 goto out;
2972 }
2973
2974 if (cpu->apic_id == UNASSIGNED_APIC_ID) {
2975 error_setg(errp, "apic-id property was not initialized properly");
2976 return;
2977 }
2978
2979 /*TODO: cpu->host_features incorrectly overwrites features
2980 * set using "feat=on|off". Once we fix this, we can convert
2981 * plus_features & minus_features to global properties
2982 * inside x86_cpu_parse_featurestr() too.
2983 */
2984 if (cpu->host_features) {
2985 for (w = 0; w < FEATURE_WORDS; w++) {
2986 env->features[w] =
2987 x86_cpu_get_supported_feature_word(w, cpu->migratable);
2988 }
2989 }
2990
2991 for (w = 0; w < FEATURE_WORDS; w++) {
2992 cpu->env.features[w] |= plus_features[w];
2993 cpu->env.features[w] &= ~minus_features[w];
2994 }
2995
2996 if (env->features[FEAT_7_0_EBX] && env->cpuid_level < 7) {
2997 env->cpuid_level = 7;
2998 }
2999
3000 if (x86_cpu_filter_features(cpu) && cpu->enforce_cpuid) {
3001 error_setg(&local_err,
3002 kvm_enabled() ?
3003 "Host doesn't support requested features" :
3004 "TCG doesn't support requested features");
3005 goto out;
3006 }
3007
3008 /* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on
3009 * CPUID[1].EDX.
3010 */
3011 if (IS_AMD_CPU(env)) {
3012 env->features[FEAT_8000_0001_EDX] &= ~CPUID_EXT2_AMD_ALIASES;
3013 env->features[FEAT_8000_0001_EDX] |= (env->features[FEAT_1_EDX]
3014 & CPUID_EXT2_AMD_ALIASES);
3015 }
3016
3017 /* For 64bit systems think about the number of physical bits to present.
3018 * ideally this should be the same as the host; anything other than matching
3019 * the host can cause incorrect guest behaviour.
3020 * QEMU used to pick the magic value of 40 bits that corresponds to
3021 * consumer AMD devices but nothing else.
3022 */
3023 if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) {
3024 if (kvm_enabled()) {
3025 uint32_t host_phys_bits = x86_host_phys_bits();
3026 static bool warned;
3027
3028 if (cpu->host_phys_bits) {
3029 /* The user asked for us to use the host physical bits */
3030 cpu->phys_bits = host_phys_bits;
3031 }
3032
3033 /* Print a warning if the user set it to a value that's not the
3034 * host value.
3035 */
3036 if (cpu->phys_bits != host_phys_bits && cpu->phys_bits != 0 &&
3037 !warned) {
3038 error_report("Warning: Host physical bits (%u)"
3039 " does not match phys-bits property (%u)",
3040 host_phys_bits, cpu->phys_bits);
3041 warned = true;
3042 }
3043
3044 if (cpu->phys_bits &&
3045 (cpu->phys_bits > TARGET_PHYS_ADDR_SPACE_BITS ||
3046 cpu->phys_bits < 32)) {
3047 error_setg(errp, "phys-bits should be between 32 and %u "
3048 " (but is %u)",
3049 TARGET_PHYS_ADDR_SPACE_BITS, cpu->phys_bits);
3050 return;
3051 }
3052 } else {
3053 if (cpu->phys_bits && cpu->phys_bits != TCG_PHYS_ADDR_BITS) {
3054 error_setg(errp, "TCG only supports phys-bits=%u",
3055 TCG_PHYS_ADDR_BITS);
3056 return;
3057 }
3058 }
3059 /* 0 means it was not explicitly set by the user (or by machine
3060 * compat_props or by the host code above). In this case, the default
3061 * is the value used by TCG (40).
3062 */
3063 if (cpu->phys_bits == 0) {
3064 cpu->phys_bits = TCG_PHYS_ADDR_BITS;
3065 }
3066 } else {
3067 /* For 32 bit systems don't use the user set value, but keep
3068 * phys_bits consistent with what we tell the guest.
3069 */
3070 if (cpu->phys_bits != 0) {
3071 error_setg(errp, "phys-bits is not user-configurable in 32 bit");
3072 return;
3073 }
3074
3075 if (env->features[FEAT_1_EDX] & CPUID_PSE36) {
3076 cpu->phys_bits = 36;
3077 } else {
3078 cpu->phys_bits = 32;
3079 }
3080 }
3081 cpu_exec_init(cs, &error_abort);
3082
3083 if (tcg_enabled()) {
3084 tcg_x86_init();
3085 }
3086
3087 #ifndef CONFIG_USER_ONLY
3088 qemu_register_reset(x86_cpu_machine_reset_cb, cpu);
3089
3090 if (cpu->env.features[FEAT_1_EDX] & CPUID_APIC || smp_cpus > 1) {
3091 x86_cpu_apic_create(cpu, &local_err);
3092 if (local_err != NULL) {
3093 goto out;
3094 }
3095 }
3096 #endif
3097
3098 mce_init(cpu);
3099
3100 #ifndef CONFIG_USER_ONLY
3101 if (tcg_enabled()) {
3102 AddressSpace *newas = g_new(AddressSpace, 1);
3103
3104 cpu->cpu_as_mem = g_new(MemoryRegion, 1);
3105 cpu->cpu_as_root = g_new(MemoryRegion, 1);
3106
3107 /* Outer container... */
3108 memory_region_init(cpu->cpu_as_root, OBJECT(cpu), "memory", ~0ull);
3109 memory_region_set_enabled(cpu->cpu_as_root, true);
3110
3111 /* ... with two regions inside: normal system memory with low
3112 * priority, and...
3113 */
3114 memory_region_init_alias(cpu->cpu_as_mem, OBJECT(cpu), "memory",
3115 get_system_memory(), 0, ~0ull);
3116 memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->cpu_as_mem, 0);
3117 memory_region_set_enabled(cpu->cpu_as_mem, true);
3118 address_space_init(newas, cpu->cpu_as_root, "CPU");
3119 cs->num_ases = 1;
3120 cpu_address_space_init(cs, newas, 0);
3121
3122 /* ... SMRAM with higher priority, linked from /machine/smram. */
3123 cpu->machine_done.notify = x86_cpu_machine_done;
3124 qemu_add_machine_init_done_notifier(&cpu->machine_done);
3125 }
3126 #endif
3127
3128 qemu_init_vcpu(cs);
3129
3130 /* Only Intel CPUs support hyperthreading. Even though QEMU fixes this
3131 * issue by adjusting CPUID_0000_0001_EBX and CPUID_8000_0008_ECX
3132 * based on inputs (sockets,cores,threads), it is still better to gives
3133 * users a warning.
3134 *
3135 * NOTE: the following code has to follow qemu_init_vcpu(). Otherwise
3136 * cs->nr_threads hasn't be populated yet and the checking is incorrect.
3137 */
3138 if (!IS_INTEL_CPU(env) && cs->nr_threads > 1 && !ht_warned) {
3139 error_report("AMD CPU doesn't support hyperthreading. Please configure"
3140 " -smp options properly.");
3141 ht_warned = true;
3142 }
3143
3144 x86_cpu_apic_realize(cpu, &local_err);
3145 if (local_err != NULL) {
3146 goto out;
3147 }
3148 cpu_reset(cs);
3149
3150 xcc->parent_realize(dev, &local_err);
3151
3152 out:
3153 if (local_err != NULL) {
3154 error_propagate(errp, local_err);
3155 return;
3156 }
3157 }
3158
3159 static void x86_cpu_unrealizefn(DeviceState *dev, Error **errp)
3160 {
3161 X86CPU *cpu = X86_CPU(dev);
3162
3163 #ifndef CONFIG_USER_ONLY
3164 cpu_remove_sync(CPU(dev));
3165 qemu_unregister_reset(x86_cpu_machine_reset_cb, dev);
3166 #endif
3167
3168 if (cpu->apic_state) {
3169 object_unparent(OBJECT(cpu->apic_state));
3170 cpu->apic_state = NULL;
3171 }
3172 }
3173
3174 typedef struct BitProperty {
3175 uint32_t *ptr;
3176 uint32_t mask;
3177 } BitProperty;
3178
3179 static void x86_cpu_get_bit_prop(Object *obj, Visitor *v, const char *name,
3180 void *opaque, Error **errp)
3181 {
3182 BitProperty *fp = opaque;
3183 bool value = (*fp->ptr & fp->mask) == fp->mask;
3184 visit_type_bool(v, name, &value, errp);
3185 }
3186
3187 static void x86_cpu_set_bit_prop(Object *obj, Visitor *v, const char *name,
3188 void *opaque, Error **errp)
3189 {
3190 DeviceState *dev = DEVICE(obj);
3191 BitProperty *fp = opaque;
3192 Error *local_err = NULL;
3193 bool value;
3194
3195 if (dev->realized) {
3196 qdev_prop_set_after_realize(dev, name, errp);
3197 return;
3198 }
3199
3200 visit_type_bool(v, name, &value, &local_err);
3201 if (local_err) {
3202 error_propagate(errp, local_err);
3203 return;
3204 }
3205
3206 if (value) {
3207 *fp->ptr |= fp->mask;
3208 } else {
3209 *fp->ptr &= ~fp->mask;
3210 }
3211 }
3212
3213 static void x86_cpu_release_bit_prop(Object *obj, const char *name,
3214 void *opaque)
3215 {
3216 BitProperty *prop = opaque;
3217 g_free(prop);
3218 }
3219
3220 /* Register a boolean property to get/set a single bit in a uint32_t field.
3221 *
3222 * The same property name can be registered multiple times to make it affect
3223 * multiple bits in the same FeatureWord. In that case, the getter will return
3224 * true only if all bits are set.
3225 */
3226 static void x86_cpu_register_bit_prop(X86CPU *cpu,
3227 const char *prop_name,
3228 uint32_t *field,
3229 int bitnr)
3230 {
3231 BitProperty *fp;
3232 ObjectProperty *op;
3233 uint32_t mask = (1UL << bitnr);
3234
3235 op = object_property_find(OBJECT(cpu), prop_name, NULL);
3236 if (op) {
3237 fp = op->opaque;
3238 assert(fp->ptr == field);
3239 fp->mask |= mask;
3240 } else {
3241 fp = g_new0(BitProperty, 1);
3242 fp->ptr = field;
3243 fp->mask = mask;
3244 object_property_add(OBJECT(cpu), prop_name, "bool",
3245 x86_cpu_get_bit_prop,
3246 x86_cpu_set_bit_prop,
3247 x86_cpu_release_bit_prop, fp, &error_abort);
3248 }
3249 }
3250
3251 static void x86_cpu_register_feature_bit_props(X86CPU *cpu,
3252 FeatureWord w,
3253 int bitnr)
3254 {
3255 Object *obj = OBJECT(cpu);
3256 int i;
3257 char **names;
3258 FeatureWordInfo *fi = &feature_word_info[w];
3259
3260 if (!fi->feat_names) {
3261 return;
3262 }
3263 if (!fi->feat_names[bitnr]) {
3264 return;
3265 }
3266
3267 names = g_strsplit(fi->feat_names[bitnr], "|", 0);
3268
3269 feat2prop(names[0]);
3270 x86_cpu_register_bit_prop(cpu, names[0], &cpu->env.features[w], bitnr);
3271
3272 for (i = 1; names[i]; i++) {
3273 feat2prop(names[i]);
3274 object_property_add_alias(obj, names[i], obj, names[0],
3275 &error_abort);
3276 }
3277
3278 g_strfreev(names);
3279 }
3280
3281 static void x86_cpu_initfn(Object *obj)
3282 {
3283 CPUState *cs = CPU(obj);
3284 X86CPU *cpu = X86_CPU(obj);
3285 X86CPUClass *xcc = X86_CPU_GET_CLASS(obj);
3286 CPUX86State *env = &cpu->env;
3287 FeatureWord w;
3288
3289 cs->env_ptr = env;
3290
3291 object_property_add(obj, "family", "int",
3292 x86_cpuid_version_get_family,
3293 x86_cpuid_version_set_family, NULL, NULL, NULL);
3294 object_property_add(obj, "model", "int",
3295 x86_cpuid_version_get_model,
3296 x86_cpuid_version_set_model, NULL, NULL, NULL);
3297 object_property_add(obj, "stepping", "int",
3298 x86_cpuid_version_get_stepping,
3299 x86_cpuid_version_set_stepping, NULL, NULL, NULL);
3300 object_property_add_str(obj, "vendor",
3301 x86_cpuid_get_vendor,
3302 x86_cpuid_set_vendor, NULL);
3303 object_property_add_str(obj, "model-id",
3304 x86_cpuid_get_model_id,
3305 x86_cpuid_set_model_id, NULL);
3306 object_property_add(obj, "tsc-frequency", "int",
3307 x86_cpuid_get_tsc_freq,
3308 x86_cpuid_set_tsc_freq, NULL, NULL, NULL);
3309 object_property_add(obj, "feature-words", "X86CPUFeatureWordInfo",
3310 x86_cpu_get_feature_words,
3311 NULL, NULL, (void *)env->features, NULL);
3312 object_property_add(obj, "filtered-features", "X86CPUFeatureWordInfo",
3313 x86_cpu_get_feature_words,
3314 NULL, NULL, (void *)cpu->filtered_features, NULL);
3315
3316 cpu->hyperv_spinlock_attempts = HYPERV_SPINLOCK_NEVER_RETRY;
3317
3318 for (w = 0; w < FEATURE_WORDS; w++) {
3319 int bitnr;
3320
3321 for (bitnr = 0; bitnr < 32; bitnr++) {
3322 x86_cpu_register_feature_bit_props(cpu, w, bitnr);
3323 }
3324 }
3325
3326 x86_cpu_load_def(cpu, xcc->cpu_def, &error_abort);
3327 }
3328
3329 static int64_t x86_cpu_get_arch_id(CPUState *cs)
3330 {
3331 X86CPU *cpu = X86_CPU(cs);
3332
3333 return cpu->apic_id;
3334 }
3335
3336 static bool x86_cpu_get_paging_enabled(const CPUState *cs)
3337 {
3338 X86CPU *cpu = X86_CPU(cs);
3339
3340 return cpu->env.cr[0] & CR0_PG_MASK;
3341 }
3342
3343 static void x86_cpu_set_pc(CPUState *cs, vaddr value)
3344 {
3345 X86CPU *cpu = X86_CPU(cs);
3346
3347 cpu->env.eip = value;
3348 }
3349
3350 static void x86_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb)
3351 {
3352 X86CPU *cpu = X86_CPU(cs);
3353
3354 cpu->env.eip = tb->pc - tb->cs_base;
3355 }
3356
3357 static bool x86_cpu_has_work(CPUState *cs)
3358 {
3359 X86CPU *cpu = X86_CPU(cs);
3360 CPUX86State *env = &cpu->env;
3361
3362 return ((cs->interrupt_request & (CPU_INTERRUPT_HARD |
3363 CPU_INTERRUPT_POLL)) &&
3364 (env->eflags & IF_MASK)) ||
3365 (cs->interrupt_request & (CPU_INTERRUPT_NMI |
3366 CPU_INTERRUPT_INIT |
3367 CPU_INTERRUPT_SIPI |
3368 CPU_INTERRUPT_MCE)) ||
3369 ((cs->interrupt_request & CPU_INTERRUPT_SMI) &&
3370 !(env->hflags & HF_SMM_MASK));
3371 }
3372
3373 static Property x86_cpu_properties[] = {
3374 #ifdef CONFIG_USER_ONLY
3375 /* apic_id = 0 by default for *-user, see commit 9886e834 */
3376 DEFINE_PROP_UINT32("apic-id", X86CPU, apic_id, 0),
3377 DEFINE_PROP_INT32("thread-id", X86CPU, thread_id, 0),
3378 DEFINE_PROP_INT32("core-id", X86CPU, core_id, 0),
3379 DEFINE_PROP_INT32("socket-id", X86CPU, socket_id, 0),
3380 #else
3381 DEFINE_PROP_UINT32("apic-id", X86CPU, apic_id, UNASSIGNED_APIC_ID),
3382 DEFINE_PROP_INT32("thread-id", X86CPU, thread_id, -1),
3383 DEFINE_PROP_INT32("core-id", X86CPU, core_id, -1),
3384 DEFINE_PROP_INT32("socket-id", X86CPU, socket_id, -1),
3385 #endif
3386 DEFINE_PROP_BOOL("pmu", X86CPU, enable_pmu, false),
3387 { .name = "hv-spinlocks", .info = &qdev_prop_spinlocks },
3388 DEFINE_PROP_BOOL("hv-relaxed", X86CPU, hyperv_relaxed_timing, false),
3389 DEFINE_PROP_BOOL("hv-vapic", X86CPU, hyperv_vapic, false),
3390 DEFINE_PROP_BOOL("hv-time", X86CPU, hyperv_time, false),
3391 DEFINE_PROP_BOOL("hv-crash", X86CPU, hyperv_crash, false),
3392 DEFINE_PROP_BOOL("hv-reset", X86CPU, hyperv_reset, false),
3393 DEFINE_PROP_BOOL("hv-vpindex", X86CPU, hyperv_vpindex, false),
3394 DEFINE_PROP_BOOL("hv-runtime", X86CPU, hyperv_runtime, false),
3395 DEFINE_PROP_BOOL("hv-synic", X86CPU, hyperv_synic, false),
3396 DEFINE_PROP_BOOL("hv-stimer", X86CPU, hyperv_stimer, false),
3397 DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, true),
3398 DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false),
3399 DEFINE_PROP_BOOL("kvm", X86CPU, expose_kvm, true),
3400 DEFINE_PROP_UINT32("phys-bits", X86CPU, phys_bits, 0),
3401 DEFINE_PROP_BOOL("host-phys-bits", X86CPU, host_phys_bits, false),
3402 DEFINE_PROP_BOOL("fill-mtrr-mask", X86CPU, fill_mtrr_mask, true),
3403 DEFINE_PROP_UINT32("level", X86CPU, env.cpuid_level, 0),
3404 DEFINE_PROP_UINT32("xlevel", X86CPU, env.cpuid_xlevel, 0),
3405 DEFINE_PROP_UINT32("xlevel2", X86CPU, env.cpuid_xlevel2, 0),
3406 DEFINE_PROP_STRING("hv-vendor-id", X86CPU, hyperv_vendor_id),
3407 DEFINE_PROP_BOOL("cpuid-0xb", X86CPU, enable_cpuid_0xb, true),
3408 DEFINE_PROP_BOOL("lmce", X86CPU, enable_lmce, false),
3409 DEFINE_PROP_BOOL("l3-cache", X86CPU, enable_l3_cache, true),
3410 DEFINE_PROP_END_OF_LIST()
3411 };
3412
3413 static void x86_cpu_common_class_init(ObjectClass *oc, void *data)
3414 {
3415 X86CPUClass *xcc = X86_CPU_CLASS(oc);
3416 CPUClass *cc = CPU_CLASS(oc);
3417 DeviceClass *dc = DEVICE_CLASS(oc);
3418
3419 xcc->parent_realize = dc->realize;
3420 dc->realize = x86_cpu_realizefn;
3421 dc->unrealize = x86_cpu_unrealizefn;
3422 dc->props = x86_cpu_properties;
3423
3424 xcc->parent_reset = cc->reset;
3425 cc->reset = x86_cpu_reset;
3426 cc->reset_dump_flags = CPU_DUMP_FPU | CPU_DUMP_CCOP;
3427
3428 cc->class_by_name = x86_cpu_class_by_name;
3429 cc->parse_features = x86_cpu_parse_featurestr;
3430 cc->has_work = x86_cpu_has_work;
3431 cc->do_interrupt = x86_cpu_do_interrupt;
3432 cc->cpu_exec_interrupt = x86_cpu_exec_interrupt;
3433 cc->dump_state = x86_cpu_dump_state;
3434 cc->set_pc = x86_cpu_set_pc;
3435 cc->synchronize_from_tb = x86_cpu_synchronize_from_tb;
3436 cc->gdb_read_register = x86_cpu_gdb_read_register;
3437 cc->gdb_write_register = x86_cpu_gdb_write_register;
3438 cc->get_arch_id = x86_cpu_get_arch_id;
3439 cc->get_paging_enabled = x86_cpu_get_paging_enabled;
3440 #ifdef CONFIG_USER_ONLY
3441 cc->handle_mmu_fault = x86_cpu_handle_mmu_fault;
3442 #else
3443 cc->get_memory_mapping = x86_cpu_get_memory_mapping;
3444 cc->get_phys_page_debug = x86_cpu_get_phys_page_debug;
3445 cc->write_elf64_note = x86_cpu_write_elf64_note;
3446 cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote;
3447 cc->write_elf32_note = x86_cpu_write_elf32_note;
3448 cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote;
3449 cc->vmsd = &vmstate_x86_cpu;
3450 #endif
3451 cc->gdb_num_core_regs = CPU_NB_REGS * 2 + 25;
3452 #ifndef CONFIG_USER_ONLY
3453 cc->debug_excp_handler = breakpoint_handler;
3454 #endif
3455 cc->cpu_exec_enter = x86_cpu_exec_enter;
3456 cc->cpu_exec_exit = x86_cpu_exec_exit;
3457
3458 dc->cannot_instantiate_with_device_add_yet = false;
3459 /*
3460 * Reason: x86_cpu_initfn() calls cpu_exec_init(), which saves the
3461 * object in cpus -> dangling pointer after final object_unref().
3462 */
3463 dc->cannot_destroy_with_object_finalize_yet = true;
3464 }
3465
3466 static const TypeInfo x86_cpu_type_info = {
3467 .name = TYPE_X86_CPU,
3468 .parent = TYPE_CPU,
3469 .instance_size = sizeof(X86CPU),
3470 .instance_init = x86_cpu_initfn,
3471 .abstract = true,
3472 .class_size = sizeof(X86CPUClass),
3473 .class_init = x86_cpu_common_class_init,
3474 };
3475
3476 static void x86_cpu_register_types(void)
3477 {
3478 int i;
3479
3480 type_register_static(&x86_cpu_type_info);
3481 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) {
3482 x86_register_cpudef_type(&builtin_x86_defs[i]);
3483 }
3484 #ifdef CONFIG_KVM
3485 type_register_static(&host_x86_cpu_type_info);
3486 #endif
3487 }
3488
3489 type_init(x86_cpu_register_types)
QEmu