1 /* 2 * i386 CPUID helper functions 3 * 4 * Copyright (c) 2003 Fabrice Bellard 5 * 6 * This library is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2 of the License, or (at your option) any later version. 10 * 11 * This library is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 18 */ 19 #include "qemu/osdep.h" 20 #include "qemu/cutils.h" 21 22 #include "cpu.h" 23 #include "exec/exec-all.h" 24 #include "sysemu/kvm.h" 25 #include "sysemu/cpus.h" 26 #include "kvm_i386.h" 27 28 #include "qemu/error-report.h" 29 #include "qemu/option.h" 30 #include "qemu/config-file.h" 31 #include "qapi/qmp/qerror.h" 32 33 #include "qapi-types.h" 34 #include "qapi-visit.h" 35 #include "qapi/visitor.h" 36 #include "sysemu/arch_init.h" 37 38 #if defined(CONFIG_KVM) 39 #include <linux/kvm_para.h> 40 #endif 41 42 #include "sysemu/sysemu.h" 43 #include "hw/qdev-properties.h" 44 #include "hw/i386/topology.h" 45 #ifndef CONFIG_USER_ONLY 46 #include "exec/address-spaces.h" 47 #include "hw/hw.h" 48 #include "hw/xen/xen.h" 49 #include "hw/i386/apic_internal.h" 50 #endif 51 52 53 /* Cache topology CPUID constants: */ 54 55 /* CPUID Leaf 2 Descriptors */ 56 57 #define CPUID_2_L1D_32KB_8WAY_64B 0x2c 58 #define CPUID_2_L1I_32KB_8WAY_64B 0x30 59 #define CPUID_2_L2_2MB_8WAY_64B 0x7d 60 #define CPUID_2_L3_16MB_16WAY_64B 0x4d 61 62 63 /* CPUID Leaf 4 constants: */ 64 65 /* EAX: */ 66 #define CPUID_4_TYPE_DCACHE 1 67 #define CPUID_4_TYPE_ICACHE 2 68 #define CPUID_4_TYPE_UNIFIED 3 69 70 #define CPUID_4_LEVEL(l) ((l) << 5) 71 72 #define CPUID_4_SELF_INIT_LEVEL (1 << 8) 73 #define CPUID_4_FULLY_ASSOC (1 << 9) 74 75 /* EDX: */ 76 #define CPUID_4_NO_INVD_SHARING (1 << 0) 77 #define CPUID_4_INCLUSIVE (1 << 1) 78 #define CPUID_4_COMPLEX_IDX (1 << 2) 79 80 #define ASSOC_FULL 0xFF 81 82 /* AMD associativity encoding used on CPUID Leaf 0x80000006: */ 83 #define AMD_ENC_ASSOC(a) (a <= 1 ? a : \ 84 a == 2 ? 0x2 : \ 85 a == 4 ? 0x4 : \ 86 a == 8 ? 0x6 : \ 87 a == 16 ? 0x8 : \ 88 a == 32 ? 0xA : \ 89 a == 48 ? 0xB : \ 90 a == 64 ? 0xC : \ 91 a == 96 ? 0xD : \ 92 a == 128 ? 0xE : \ 93 a == ASSOC_FULL ? 0xF : \ 94 0 /* invalid value */) 95 96 97 /* Definitions of the hardcoded cache entries we expose: */ 98 99 /* L1 data cache: */ 100 #define L1D_LINE_SIZE 64 101 #define L1D_ASSOCIATIVITY 8 102 #define L1D_SETS 64 103 #define L1D_PARTITIONS 1 104 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */ 105 #define L1D_DESCRIPTOR CPUID_2_L1D_32KB_8WAY_64B 106 /*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */ 107 #define L1D_LINES_PER_TAG 1 108 #define L1D_SIZE_KB_AMD 64 109 #define L1D_ASSOCIATIVITY_AMD 2 110 111 /* L1 instruction cache: */ 112 #define L1I_LINE_SIZE 64 113 #define L1I_ASSOCIATIVITY 8 114 #define L1I_SETS 64 115 #define L1I_PARTITIONS 1 116 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 32KiB */ 117 #define L1I_DESCRIPTOR CPUID_2_L1I_32KB_8WAY_64B 118 /*FIXME: CPUID leaf 0x80000005 is inconsistent with leaves 2 & 4 */ 119 #define L1I_LINES_PER_TAG 1 120 #define L1I_SIZE_KB_AMD 64 121 #define L1I_ASSOCIATIVITY_AMD 2 122 123 /* Level 2 unified cache: */ 124 #define L2_LINE_SIZE 64 125 #define L2_ASSOCIATIVITY 16 126 #define L2_SETS 4096 127 #define L2_PARTITIONS 1 128 /* Size = LINE_SIZE*ASSOCIATIVITY*SETS*PARTITIONS = 4MiB */ 129 /*FIXME: CPUID leaf 2 descriptor is inconsistent with CPUID leaf 4 */ 130 #define L2_DESCRIPTOR CPUID_2_L2_2MB_8WAY_64B 131 /*FIXME: CPUID leaf 0x80000006 is inconsistent with leaves 2 & 4 */ 132 #define L2_LINES_PER_TAG 1 133 #define L2_SIZE_KB_AMD 512 134 135 /* Level 3 unified cache: */ 136 #define L3_SIZE_KB 0 /* disabled */ 137 #define L3_ASSOCIATIVITY 0 /* disabled */ 138 #define L3_LINES_PER_TAG 0 /* disabled */ 139 #define L3_LINE_SIZE 0 /* disabled */ 140 #define L3_N_LINE_SIZE 64 141 #define L3_N_ASSOCIATIVITY 16 142 #define L3_N_SETS 16384 143 #define L3_N_PARTITIONS 1 144 #define L3_N_DESCRIPTOR CPUID_2_L3_16MB_16WAY_64B 145 #define L3_N_LINES_PER_TAG 1 146 #define L3_N_SIZE_KB_AMD 16384 147 148 /* TLB definitions: */ 149 150 #define L1_DTLB_2M_ASSOC 1 151 #define L1_DTLB_2M_ENTRIES 255 152 #define L1_DTLB_4K_ASSOC 1 153 #define L1_DTLB_4K_ENTRIES 255 154 155 #define L1_ITLB_2M_ASSOC 1 156 #define L1_ITLB_2M_ENTRIES 255 157 #define L1_ITLB_4K_ASSOC 1 158 #define L1_ITLB_4K_ENTRIES 255 159 160 #define L2_DTLB_2M_ASSOC 0 /* disabled */ 161 #define L2_DTLB_2M_ENTRIES 0 /* disabled */ 162 #define L2_DTLB_4K_ASSOC 4 163 #define L2_DTLB_4K_ENTRIES 512 164 165 #define L2_ITLB_2M_ASSOC 0 /* disabled */ 166 #define L2_ITLB_2M_ENTRIES 0 /* disabled */ 167 #define L2_ITLB_4K_ASSOC 4 168 #define L2_ITLB_4K_ENTRIES 512 169 170 171 172 static void x86_cpu_vendor_words2str(char *dst, uint32_t vendor1, 173 uint32_t vendor2, uint32_t vendor3) 174 { 175 int i; 176 for (i = 0; i < 4; i++) { 177 dst[i] = vendor1 >> (8 * i); 178 dst[i + 4] = vendor2 >> (8 * i); 179 dst[i + 8] = vendor3 >> (8 * i); 180 } 181 dst[CPUID_VENDOR_SZ] = '\0'; 182 } 183 184 #define I486_FEATURES (CPUID_FP87 | CPUID_VME | CPUID_PSE) 185 #define PENTIUM_FEATURES (I486_FEATURES | CPUID_DE | CPUID_TSC | \ 186 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_MMX | CPUID_APIC) 187 #define PENTIUM2_FEATURES (PENTIUM_FEATURES | CPUID_PAE | CPUID_SEP | \ 188 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \ 189 CPUID_PSE36 | CPUID_FXSR) 190 #define PENTIUM3_FEATURES (PENTIUM2_FEATURES | CPUID_SSE) 191 #define PPRO_FEATURES (CPUID_FP87 | CPUID_DE | CPUID_PSE | CPUID_TSC | \ 192 CPUID_MSR | CPUID_MCE | CPUID_CX8 | CPUID_PGE | CPUID_CMOV | \ 193 CPUID_PAT | CPUID_FXSR | CPUID_MMX | CPUID_SSE | CPUID_SSE2 | \ 194 CPUID_PAE | CPUID_SEP | CPUID_APIC) 195 196 #define TCG_FEATURES (CPUID_FP87 | CPUID_PSE | CPUID_TSC | CPUID_MSR | \ 197 CPUID_PAE | CPUID_MCE | CPUID_CX8 | CPUID_APIC | CPUID_SEP | \ 198 CPUID_MTRR | CPUID_PGE | CPUID_MCA | CPUID_CMOV | CPUID_PAT | \ 199 CPUID_PSE36 | CPUID_CLFLUSH | CPUID_ACPI | CPUID_MMX | \ 200 CPUID_FXSR | CPUID_SSE | CPUID_SSE2 | CPUID_SS | CPUID_DE) 201 /* partly implemented: 202 CPUID_MTRR, CPUID_MCA, CPUID_CLFLUSH (needed for Win64) */ 203 /* missing: 204 CPUID_VME, CPUID_DTS, CPUID_SS, CPUID_HT, CPUID_TM, CPUID_PBE */ 205 #define TCG_EXT_FEATURES (CPUID_EXT_SSE3 | CPUID_EXT_PCLMULQDQ | \ 206 CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | CPUID_EXT_CX16 | \ 207 CPUID_EXT_SSE41 | CPUID_EXT_SSE42 | CPUID_EXT_POPCNT | \ 208 CPUID_EXT_XSAVE | /* CPUID_EXT_OSXSAVE is dynamic */ \ 209 CPUID_EXT_MOVBE | CPUID_EXT_AES | CPUID_EXT_HYPERVISOR) 210 /* missing: 211 CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_VMX, CPUID_EXT_SMX, 212 CPUID_EXT_EST, CPUID_EXT_TM2, CPUID_EXT_CID, CPUID_EXT_FMA, 213 CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_PCID, CPUID_EXT_DCA, 214 CPUID_EXT_X2APIC, CPUID_EXT_TSC_DEADLINE_TIMER, CPUID_EXT_AVX, 215 CPUID_EXT_F16C, CPUID_EXT_RDRAND */ 216 217 #ifdef TARGET_X86_64 218 #define TCG_EXT2_X86_64_FEATURES (CPUID_EXT2_SYSCALL | CPUID_EXT2_LM) 219 #else 220 #define TCG_EXT2_X86_64_FEATURES 0 221 #endif 222 223 #define TCG_EXT2_FEATURES ((TCG_FEATURES & CPUID_EXT2_AMD_ALIASES) | \ 224 CPUID_EXT2_NX | CPUID_EXT2_MMXEXT | CPUID_EXT2_RDTSCP | \ 225 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_PDPE1GB | \ 226 TCG_EXT2_X86_64_FEATURES) 227 #define TCG_EXT3_FEATURES (CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | \ 228 CPUID_EXT3_CR8LEG | CPUID_EXT3_ABM | CPUID_EXT3_SSE4A) 229 #define TCG_EXT4_FEATURES 0 230 #define TCG_SVM_FEATURES 0 231 #define TCG_KVM_FEATURES 0 232 #define TCG_7_0_EBX_FEATURES (CPUID_7_0_EBX_SMEP | CPUID_7_0_EBX_SMAP | \ 233 CPUID_7_0_EBX_BMI1 | CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ADX | \ 234 CPUID_7_0_EBX_PCOMMIT | CPUID_7_0_EBX_CLFLUSHOPT | \ 235 CPUID_7_0_EBX_CLWB | CPUID_7_0_EBX_MPX | CPUID_7_0_EBX_FSGSBASE | \ 236 CPUID_7_0_EBX_ERMS) 237 /* missing: 238 CPUID_7_0_EBX_HLE, CPUID_7_0_EBX_AVX2, 239 CPUID_7_0_EBX_INVPCID, CPUID_7_0_EBX_RTM, 240 CPUID_7_0_EBX_RDSEED */ 241 #define TCG_7_0_ECX_FEATURES (CPUID_7_0_ECX_PKU | CPUID_7_0_ECX_OSPKE | \ 242 CPUID_7_0_ECX_LA57) 243 #define TCG_7_0_EDX_FEATURES 0 244 #define TCG_APM_FEATURES 0 245 #define TCG_6_EAX_FEATURES CPUID_6_EAX_ARAT 246 #define TCG_XSAVE_FEATURES (CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XGETBV1) 247 /* missing: 248 CPUID_XSAVE_XSAVEC, CPUID_XSAVE_XSAVES */ 249 250 typedef struct FeatureWordInfo { 251 /* feature flags names are taken from "Intel Processor Identification and 252 * the CPUID Instruction" and AMD's "CPUID Specification". 253 * In cases of disagreement between feature naming conventions, 254 * aliases may be added. 255 */ 256 const char *feat_names[32]; 257 uint32_t cpuid_eax; /* Input EAX for CPUID */ 258 bool cpuid_needs_ecx; /* CPUID instruction uses ECX as input */ 259 uint32_t cpuid_ecx; /* Input ECX value for CPUID */ 260 int cpuid_reg; /* output register (R_* constant) */ 261 uint32_t tcg_features; /* Feature flags supported by TCG */ 262 uint32_t unmigratable_flags; /* Feature flags known to be unmigratable */ 263 uint32_t migratable_flags; /* Feature flags known to be migratable */ 264 } FeatureWordInfo; 265 266 static FeatureWordInfo feature_word_info[FEATURE_WORDS] = { 267 [FEAT_1_EDX] = { 268 .feat_names = { 269 "fpu", "vme", "de", "pse", 270 "tsc", "msr", "pae", "mce", 271 "cx8", "apic", NULL, "sep", 272 "mtrr", "pge", "mca", "cmov", 273 "pat", "pse36", "pn" /* Intel psn */, "clflush" /* Intel clfsh */, 274 NULL, "ds" /* Intel dts */, "acpi", "mmx", 275 "fxsr", "sse", "sse2", "ss", 276 "ht" /* Intel htt */, "tm", "ia64", "pbe", 277 }, 278 .cpuid_eax = 1, .cpuid_reg = R_EDX, 279 .tcg_features = TCG_FEATURES, 280 }, 281 [FEAT_1_ECX] = { 282 .feat_names = { 283 "pni" /* Intel,AMD sse3 */, "pclmulqdq", "dtes64", "monitor", 284 "ds-cpl", "vmx", "smx", "est", 285 "tm2", "ssse3", "cid", NULL, 286 "fma", "cx16", "xtpr", "pdcm", 287 NULL, "pcid", "dca", "sse4.1", 288 "sse4.2", "x2apic", "movbe", "popcnt", 289 "tsc-deadline", "aes", "xsave", "osxsave", 290 "avx", "f16c", "rdrand", "hypervisor", 291 }, 292 .cpuid_eax = 1, .cpuid_reg = R_ECX, 293 .tcg_features = TCG_EXT_FEATURES, 294 }, 295 /* Feature names that are already defined on feature_name[] but 296 * are set on CPUID[8000_0001].EDX on AMD CPUs don't have their 297 * names on feat_names below. They are copied automatically 298 * to features[FEAT_8000_0001_EDX] if and only if CPU vendor is AMD. 299 */ 300 [FEAT_8000_0001_EDX] = { 301 .feat_names = { 302 NULL /* fpu */, NULL /* vme */, NULL /* de */, NULL /* pse */, 303 NULL /* tsc */, NULL /* msr */, NULL /* pae */, NULL /* mce */, 304 NULL /* cx8 */, NULL /* apic */, NULL, "syscall", 305 NULL /* mtrr */, NULL /* pge */, NULL /* mca */, NULL /* cmov */, 306 NULL /* pat */, NULL /* pse36 */, NULL, NULL /* Linux mp */, 307 "nx", NULL, "mmxext", NULL /* mmx */, 308 NULL /* fxsr */, "fxsr-opt", "pdpe1gb", "rdtscp", 309 NULL, "lm", "3dnowext", "3dnow", 310 }, 311 .cpuid_eax = 0x80000001, .cpuid_reg = R_EDX, 312 .tcg_features = TCG_EXT2_FEATURES, 313 }, 314 [FEAT_8000_0001_ECX] = { 315 .feat_names = { 316 "lahf-lm", "cmp-legacy", "svm", "extapic", 317 "cr8legacy", "abm", "sse4a", "misalignsse", 318 "3dnowprefetch", "osvw", "ibs", "xop", 319 "skinit", "wdt", NULL, "lwp", 320 "fma4", "tce", NULL, "nodeid-msr", 321 NULL, "tbm", "topoext", "perfctr-core", 322 "perfctr-nb", NULL, NULL, NULL, 323 NULL, NULL, NULL, NULL, 324 }, 325 .cpuid_eax = 0x80000001, .cpuid_reg = R_ECX, 326 .tcg_features = TCG_EXT3_FEATURES, 327 }, 328 [FEAT_C000_0001_EDX] = { 329 .feat_names = { 330 NULL, NULL, "xstore", "xstore-en", 331 NULL, NULL, "xcrypt", "xcrypt-en", 332 "ace2", "ace2-en", "phe", "phe-en", 333 "pmm", "pmm-en", NULL, NULL, 334 NULL, NULL, NULL, NULL, 335 NULL, NULL, NULL, NULL, 336 NULL, NULL, NULL, NULL, 337 NULL, NULL, NULL, NULL, 338 }, 339 .cpuid_eax = 0xC0000001, .cpuid_reg = R_EDX, 340 .tcg_features = TCG_EXT4_FEATURES, 341 }, 342 [FEAT_KVM] = { 343 .feat_names = { 344 "kvmclock", "kvm-nopiodelay", "kvm-mmu", "kvmclock", 345 "kvm-asyncpf", "kvm-steal-time", "kvm-pv-eoi", "kvm-pv-unhalt", 346 NULL, NULL, NULL, NULL, 347 NULL, NULL, NULL, NULL, 348 NULL, NULL, NULL, NULL, 349 NULL, NULL, NULL, NULL, 350 "kvmclock-stable-bit", NULL, NULL, NULL, 351 NULL, NULL, NULL, NULL, 352 }, 353 .cpuid_eax = KVM_CPUID_FEATURES, .cpuid_reg = R_EAX, 354 .tcg_features = TCG_KVM_FEATURES, 355 }, 356 [FEAT_HYPERV_EAX] = { 357 .feat_names = { 358 NULL /* hv_msr_vp_runtime_access */, NULL /* hv_msr_time_refcount_access */, 359 NULL /* hv_msr_synic_access */, NULL /* hv_msr_stimer_access */, 360 NULL /* hv_msr_apic_access */, NULL /* hv_msr_hypercall_access */, 361 NULL /* hv_vpindex_access */, NULL /* hv_msr_reset_access */, 362 NULL /* hv_msr_stats_access */, NULL /* hv_reftsc_access */, 363 NULL /* hv_msr_idle_access */, NULL /* hv_msr_frequency_access */, 364 NULL, NULL, NULL, NULL, 365 NULL, NULL, NULL, NULL, 366 NULL, NULL, NULL, NULL, 367 NULL, NULL, NULL, NULL, 368 NULL, NULL, NULL, NULL, 369 }, 370 .cpuid_eax = 0x40000003, .cpuid_reg = R_EAX, 371 }, 372 [FEAT_HYPERV_EBX] = { 373 .feat_names = { 374 NULL /* hv_create_partitions */, NULL /* hv_access_partition_id */, 375 NULL /* hv_access_memory_pool */, NULL /* hv_adjust_message_buffers */, 376 NULL /* hv_post_messages */, NULL /* hv_signal_events */, 377 NULL /* hv_create_port */, NULL /* hv_connect_port */, 378 NULL /* hv_access_stats */, NULL, NULL, NULL /* hv_debugging */, 379 NULL /* hv_cpu_power_management */, NULL /* hv_configure_profiler */, 380 NULL, NULL, 381 NULL, NULL, NULL, NULL, 382 NULL, NULL, NULL, NULL, 383 NULL, NULL, NULL, NULL, 384 NULL, NULL, NULL, NULL, 385 }, 386 .cpuid_eax = 0x40000003, .cpuid_reg = R_EBX, 387 }, 388 [FEAT_HYPERV_EDX] = { 389 .feat_names = { 390 NULL /* hv_mwait */, NULL /* hv_guest_debugging */, 391 NULL /* hv_perf_monitor */, NULL /* hv_cpu_dynamic_part */, 392 NULL /* hv_hypercall_params_xmm */, NULL /* hv_guest_idle_state */, 393 NULL, NULL, 394 NULL, NULL, NULL /* hv_guest_crash_msr */, NULL, 395 NULL, NULL, NULL, NULL, 396 NULL, NULL, NULL, NULL, 397 NULL, NULL, NULL, NULL, 398 NULL, NULL, NULL, NULL, 399 NULL, NULL, NULL, NULL, 400 }, 401 .cpuid_eax = 0x40000003, .cpuid_reg = R_EDX, 402 }, 403 [FEAT_SVM] = { 404 .feat_names = { 405 "npt", "lbrv", "svm-lock", "nrip-save", 406 "tsc-scale", "vmcb-clean", "flushbyasid", "decodeassists", 407 NULL, NULL, "pause-filter", NULL, 408 "pfthreshold", NULL, NULL, NULL, 409 NULL, NULL, NULL, NULL, 410 NULL, NULL, NULL, NULL, 411 NULL, NULL, NULL, NULL, 412 NULL, NULL, NULL, NULL, 413 }, 414 .cpuid_eax = 0x8000000A, .cpuid_reg = R_EDX, 415 .tcg_features = TCG_SVM_FEATURES, 416 }, 417 [FEAT_7_0_EBX] = { 418 .feat_names = { 419 "fsgsbase", "tsc-adjust", NULL, "bmi1", 420 "hle", "avx2", NULL, "smep", 421 "bmi2", "erms", "invpcid", "rtm", 422 NULL, NULL, "mpx", NULL, 423 "avx512f", "avx512dq", "rdseed", "adx", 424 "smap", "avx512ifma", "pcommit", "clflushopt", 425 "clwb", NULL, "avx512pf", "avx512er", 426 "avx512cd", "sha-ni", "avx512bw", "avx512vl", 427 }, 428 .cpuid_eax = 7, 429 .cpuid_needs_ecx = true, .cpuid_ecx = 0, 430 .cpuid_reg = R_EBX, 431 .tcg_features = TCG_7_0_EBX_FEATURES, 432 }, 433 [FEAT_7_0_ECX] = { 434 .feat_names = { 435 NULL, "avx512vbmi", "umip", "pku", 436 "ospke", NULL, NULL, NULL, 437 NULL, NULL, NULL, NULL, 438 NULL, NULL, "avx512-vpopcntdq", NULL, 439 "la57", NULL, NULL, NULL, 440 NULL, NULL, "rdpid", NULL, 441 NULL, NULL, NULL, NULL, 442 NULL, NULL, NULL, NULL, 443 }, 444 .cpuid_eax = 7, 445 .cpuid_needs_ecx = true, .cpuid_ecx = 0, 446 .cpuid_reg = R_ECX, 447 .tcg_features = TCG_7_0_ECX_FEATURES, 448 }, 449 [FEAT_7_0_EDX] = { 450 .feat_names = { 451 NULL, NULL, "avx512-4vnniw", "avx512-4fmaps", 452 NULL, NULL, NULL, NULL, 453 NULL, NULL, NULL, NULL, 454 NULL, NULL, NULL, NULL, 455 NULL, NULL, NULL, NULL, 456 NULL, NULL, NULL, NULL, 457 NULL, NULL, NULL, NULL, 458 NULL, NULL, NULL, NULL, 459 }, 460 .cpuid_eax = 7, 461 .cpuid_needs_ecx = true, .cpuid_ecx = 0, 462 .cpuid_reg = R_EDX, 463 .tcg_features = TCG_7_0_EDX_FEATURES, 464 }, 465 [FEAT_8000_0007_EDX] = { 466 .feat_names = { 467 NULL, NULL, NULL, NULL, 468 NULL, NULL, NULL, NULL, 469 "invtsc", NULL, NULL, NULL, 470 NULL, NULL, NULL, NULL, 471 NULL, NULL, NULL, NULL, 472 NULL, NULL, NULL, NULL, 473 NULL, NULL, NULL, NULL, 474 NULL, NULL, NULL, NULL, 475 }, 476 .cpuid_eax = 0x80000007, 477 .cpuid_reg = R_EDX, 478 .tcg_features = TCG_APM_FEATURES, 479 .unmigratable_flags = CPUID_APM_INVTSC, 480 }, 481 [FEAT_XSAVE] = { 482 .feat_names = { 483 "xsaveopt", "xsavec", "xgetbv1", "xsaves", 484 NULL, NULL, NULL, NULL, 485 NULL, NULL, NULL, NULL, 486 NULL, NULL, NULL, NULL, 487 NULL, NULL, NULL, NULL, 488 NULL, NULL, NULL, NULL, 489 NULL, NULL, NULL, NULL, 490 NULL, NULL, NULL, NULL, 491 }, 492 .cpuid_eax = 0xd, 493 .cpuid_needs_ecx = true, .cpuid_ecx = 1, 494 .cpuid_reg = R_EAX, 495 .tcg_features = TCG_XSAVE_FEATURES, 496 }, 497 [FEAT_6_EAX] = { 498 .feat_names = { 499 NULL, NULL, "arat", NULL, 500 NULL, NULL, NULL, NULL, 501 NULL, NULL, NULL, NULL, 502 NULL, NULL, NULL, NULL, 503 NULL, NULL, NULL, NULL, 504 NULL, NULL, NULL, NULL, 505 NULL, NULL, NULL, NULL, 506 NULL, NULL, NULL, NULL, 507 }, 508 .cpuid_eax = 6, .cpuid_reg = R_EAX, 509 .tcg_features = TCG_6_EAX_FEATURES, 510 }, 511 [FEAT_XSAVE_COMP_LO] = { 512 .cpuid_eax = 0xD, 513 .cpuid_needs_ecx = true, .cpuid_ecx = 0, 514 .cpuid_reg = R_EAX, 515 .tcg_features = ~0U, 516 .migratable_flags = XSTATE_FP_MASK | XSTATE_SSE_MASK | 517 XSTATE_YMM_MASK | XSTATE_BNDREGS_MASK | XSTATE_BNDCSR_MASK | 518 XSTATE_OPMASK_MASK | XSTATE_ZMM_Hi256_MASK | XSTATE_Hi16_ZMM_MASK | 519 XSTATE_PKRU_MASK, 520 }, 521 [FEAT_XSAVE_COMP_HI] = { 522 .cpuid_eax = 0xD, 523 .cpuid_needs_ecx = true, .cpuid_ecx = 0, 524 .cpuid_reg = R_EDX, 525 .tcg_features = ~0U, 526 }, 527 }; 528 529 typedef struct X86RegisterInfo32 { 530 /* Name of register */ 531 const char *name; 532 /* QAPI enum value register */ 533 X86CPURegister32 qapi_enum; 534 } X86RegisterInfo32; 535 536 #define REGISTER(reg) \ 537 [R_##reg] = { .name = #reg, .qapi_enum = X86_CPU_REGISTER32_##reg } 538 static const X86RegisterInfo32 x86_reg_info_32[CPU_NB_REGS32] = { 539 REGISTER(EAX), 540 REGISTER(ECX), 541 REGISTER(EDX), 542 REGISTER(EBX), 543 REGISTER(ESP), 544 REGISTER(EBP), 545 REGISTER(ESI), 546 REGISTER(EDI), 547 }; 548 #undef REGISTER 549 550 typedef struct ExtSaveArea { 551 uint32_t feature, bits; 552 uint32_t offset, size; 553 } ExtSaveArea; 554 555 static const ExtSaveArea x86_ext_save_areas[] = { 556 [XSTATE_FP_BIT] = { 557 /* x87 FP state component is always enabled if XSAVE is supported */ 558 .feature = FEAT_1_ECX, .bits = CPUID_EXT_XSAVE, 559 /* x87 state is in the legacy region of the XSAVE area */ 560 .offset = 0, 561 .size = sizeof(X86LegacyXSaveArea) + sizeof(X86XSaveHeader), 562 }, 563 [XSTATE_SSE_BIT] = { 564 /* SSE state component is always enabled if XSAVE is supported */ 565 .feature = FEAT_1_ECX, .bits = CPUID_EXT_XSAVE, 566 /* SSE state is in the legacy region of the XSAVE area */ 567 .offset = 0, 568 .size = sizeof(X86LegacyXSaveArea) + sizeof(X86XSaveHeader), 569 }, 570 [XSTATE_YMM_BIT] = 571 { .feature = FEAT_1_ECX, .bits = CPUID_EXT_AVX, 572 .offset = offsetof(X86XSaveArea, avx_state), 573 .size = sizeof(XSaveAVX) }, 574 [XSTATE_BNDREGS_BIT] = 575 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX, 576 .offset = offsetof(X86XSaveArea, bndreg_state), 577 .size = sizeof(XSaveBNDREG) }, 578 [XSTATE_BNDCSR_BIT] = 579 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_MPX, 580 .offset = offsetof(X86XSaveArea, bndcsr_state), 581 .size = sizeof(XSaveBNDCSR) }, 582 [XSTATE_OPMASK_BIT] = 583 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F, 584 .offset = offsetof(X86XSaveArea, opmask_state), 585 .size = sizeof(XSaveOpmask) }, 586 [XSTATE_ZMM_Hi256_BIT] = 587 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F, 588 .offset = offsetof(X86XSaveArea, zmm_hi256_state), 589 .size = sizeof(XSaveZMM_Hi256) }, 590 [XSTATE_Hi16_ZMM_BIT] = 591 { .feature = FEAT_7_0_EBX, .bits = CPUID_7_0_EBX_AVX512F, 592 .offset = offsetof(X86XSaveArea, hi16_zmm_state), 593 .size = sizeof(XSaveHi16_ZMM) }, 594 [XSTATE_PKRU_BIT] = 595 { .feature = FEAT_7_0_ECX, .bits = CPUID_7_0_ECX_PKU, 596 .offset = offsetof(X86XSaveArea, pkru_state), 597 .size = sizeof(XSavePKRU) }, 598 }; 599 600 static uint32_t xsave_area_size(uint64_t mask) 601 { 602 int i; 603 uint64_t ret = 0; 604 605 for (i = 0; i < ARRAY_SIZE(x86_ext_save_areas); i++) { 606 const ExtSaveArea *esa = &x86_ext_save_areas[i]; 607 if ((mask >> i) & 1) { 608 ret = MAX(ret, esa->offset + esa->size); 609 } 610 } 611 return ret; 612 } 613 614 static inline uint64_t x86_cpu_xsave_components(X86CPU *cpu) 615 { 616 return ((uint64_t)cpu->env.features[FEAT_XSAVE_COMP_HI]) << 32 | 617 cpu->env.features[FEAT_XSAVE_COMP_LO]; 618 } 619 620 const char *get_register_name_32(unsigned int reg) 621 { 622 if (reg >= CPU_NB_REGS32) { 623 return NULL; 624 } 625 return x86_reg_info_32[reg].name; 626 } 627 628 /* 629 * Returns the set of feature flags that are supported and migratable by 630 * QEMU, for a given FeatureWord. 631 */ 632 static uint32_t x86_cpu_get_migratable_flags(FeatureWord w) 633 { 634 FeatureWordInfo *wi = &feature_word_info[w]; 635 uint32_t r = 0; 636 int i; 637 638 for (i = 0; i < 32; i++) { 639 uint32_t f = 1U << i; 640 641 /* If the feature name is known, it is implicitly considered migratable, 642 * unless it is explicitly set in unmigratable_flags */ 643 if ((wi->migratable_flags & f) || 644 (wi->feat_names[i] && !(wi->unmigratable_flags & f))) { 645 r |= f; 646 } 647 } 648 return r; 649 } 650 651 void host_cpuid(uint32_t function, uint32_t count, 652 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx) 653 { 654 uint32_t vec[4]; 655 656 #ifdef __x86_64__ 657 asm volatile("cpuid" 658 : "=a"(vec[0]), "=b"(vec[1]), 659 "=c"(vec[2]), "=d"(vec[3]) 660 : "0"(function), "c"(count) : "cc"); 661 #elif defined(__i386__) 662 asm volatile("pusha \n\t" 663 "cpuid \n\t" 664 "mov %%eax, 0(%2) \n\t" 665 "mov %%ebx, 4(%2) \n\t" 666 "mov %%ecx, 8(%2) \n\t" 667 "mov %%edx, 12(%2) \n\t" 668 "popa" 669 : : "a"(function), "c"(count), "S"(vec) 670 : "memory", "cc"); 671 #else 672 abort(); 673 #endif 674 675 if (eax) 676 *eax = vec[0]; 677 if (ebx) 678 *ebx = vec[1]; 679 if (ecx) 680 *ecx = vec[2]; 681 if (edx) 682 *edx = vec[3]; 683 } 684 685 /* CPU class name definitions: */ 686 687 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU 688 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX) 689 690 /* Return type name for a given CPU model name 691 * Caller is responsible for freeing the returned string. 692 */ 693 static char *x86_cpu_type_name(const char *model_name) 694 { 695 return g_strdup_printf(X86_CPU_TYPE_NAME("%s"), model_name); 696 } 697 698 static ObjectClass *x86_cpu_class_by_name(const char *cpu_model) 699 { 700 ObjectClass *oc; 701 char *typename; 702 703 if (cpu_model == NULL) { 704 return NULL; 705 } 706 707 typename = x86_cpu_type_name(cpu_model); 708 oc = object_class_by_name(typename); 709 g_free(typename); 710 return oc; 711 } 712 713 static char *x86_cpu_class_get_model_name(X86CPUClass *cc) 714 { 715 const char *class_name = object_class_get_name(OBJECT_CLASS(cc)); 716 assert(g_str_has_suffix(class_name, X86_CPU_TYPE_SUFFIX)); 717 return g_strndup(class_name, 718 strlen(class_name) - strlen(X86_CPU_TYPE_SUFFIX)); 719 } 720 721 struct X86CPUDefinition { 722 const char *name; 723 uint32_t level; 724 uint32_t xlevel; 725 /* vendor is zero-terminated, 12 character ASCII string */ 726 char vendor[CPUID_VENDOR_SZ + 1]; 727 int family; 728 int model; 729 int stepping; 730 FeatureWordArray features; 731 char model_id[48]; 732 }; 733 734 static X86CPUDefinition builtin_x86_defs[] = { 735 { 736 .name = "qemu64", 737 .level = 0xd, 738 .vendor = CPUID_VENDOR_AMD, 739 .family = 6, 740 .model = 6, 741 .stepping = 3, 742 .features[FEAT_1_EDX] = 743 PPRO_FEATURES | 744 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | 745 CPUID_PSE36, 746 .features[FEAT_1_ECX] = 747 CPUID_EXT_SSE3 | CPUID_EXT_CX16, 748 .features[FEAT_8000_0001_EDX] = 749 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, 750 .features[FEAT_8000_0001_ECX] = 751 CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM, 752 .xlevel = 0x8000000A, 753 .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION, 754 }, 755 { 756 .name = "phenom", 757 .level = 5, 758 .vendor = CPUID_VENDOR_AMD, 759 .family = 16, 760 .model = 2, 761 .stepping = 3, 762 /* Missing: CPUID_HT */ 763 .features[FEAT_1_EDX] = 764 PPRO_FEATURES | 765 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | 766 CPUID_PSE36 | CPUID_VME, 767 .features[FEAT_1_ECX] = 768 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_CX16 | 769 CPUID_EXT_POPCNT, 770 .features[FEAT_8000_0001_EDX] = 771 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX | 772 CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT | CPUID_EXT2_MMXEXT | 773 CPUID_EXT2_FFXSR | CPUID_EXT2_PDPE1GB | CPUID_EXT2_RDTSCP, 774 /* Missing: CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC, 775 CPUID_EXT3_CR8LEG, 776 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH, 777 CPUID_EXT3_OSVW, CPUID_EXT3_IBS */ 778 .features[FEAT_8000_0001_ECX] = 779 CPUID_EXT3_LAHF_LM | CPUID_EXT3_SVM | 780 CPUID_EXT3_ABM | CPUID_EXT3_SSE4A, 781 /* Missing: CPUID_SVM_LBRV */ 782 .features[FEAT_SVM] = 783 CPUID_SVM_NPT, 784 .xlevel = 0x8000001A, 785 .model_id = "AMD Phenom(tm) 9550 Quad-Core Processor" 786 }, 787 { 788 .name = "core2duo", 789 .level = 10, 790 .vendor = CPUID_VENDOR_INTEL, 791 .family = 6, 792 .model = 15, 793 .stepping = 11, 794 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */ 795 .features[FEAT_1_EDX] = 796 PPRO_FEATURES | 797 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | 798 CPUID_PSE36 | CPUID_VME | CPUID_ACPI | CPUID_SS, 799 /* Missing: CPUID_EXT_DTES64, CPUID_EXT_DSCPL, CPUID_EXT_EST, 800 * CPUID_EXT_TM2, CPUID_EXT_XTPR, CPUID_EXT_PDCM, CPUID_EXT_VMX */ 801 .features[FEAT_1_ECX] = 802 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | 803 CPUID_EXT_CX16, 804 .features[FEAT_8000_0001_EDX] = 805 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, 806 .features[FEAT_8000_0001_ECX] = 807 CPUID_EXT3_LAHF_LM, 808 .xlevel = 0x80000008, 809 .model_id = "Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz", 810 }, 811 { 812 .name = "kvm64", 813 .level = 0xd, 814 .vendor = CPUID_VENDOR_INTEL, 815 .family = 15, 816 .model = 6, 817 .stepping = 1, 818 /* Missing: CPUID_HT */ 819 .features[FEAT_1_EDX] = 820 PPRO_FEATURES | CPUID_VME | 821 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | 822 CPUID_PSE36, 823 /* Missing: CPUID_EXT_POPCNT, CPUID_EXT_MONITOR */ 824 .features[FEAT_1_ECX] = 825 CPUID_EXT_SSE3 | CPUID_EXT_CX16, 826 /* Missing: CPUID_EXT2_PDPE1GB, CPUID_EXT2_RDTSCP */ 827 .features[FEAT_8000_0001_EDX] = 828 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, 829 /* Missing: CPUID_EXT3_LAHF_LM, CPUID_EXT3_CMP_LEG, CPUID_EXT3_EXTAPIC, 830 CPUID_EXT3_CR8LEG, CPUID_EXT3_ABM, CPUID_EXT3_SSE4A, 831 CPUID_EXT3_MISALIGNSSE, CPUID_EXT3_3DNOWPREFETCH, 832 CPUID_EXT3_OSVW, CPUID_EXT3_IBS, CPUID_EXT3_SVM */ 833 .features[FEAT_8000_0001_ECX] = 834 0, 835 .xlevel = 0x80000008, 836 .model_id = "Common KVM processor" 837 }, 838 { 839 .name = "qemu32", 840 .level = 4, 841 .vendor = CPUID_VENDOR_INTEL, 842 .family = 6, 843 .model = 6, 844 .stepping = 3, 845 .features[FEAT_1_EDX] = 846 PPRO_FEATURES, 847 .features[FEAT_1_ECX] = 848 CPUID_EXT_SSE3, 849 .xlevel = 0x80000004, 850 .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION, 851 }, 852 { 853 .name = "kvm32", 854 .level = 5, 855 .vendor = CPUID_VENDOR_INTEL, 856 .family = 15, 857 .model = 6, 858 .stepping = 1, 859 .features[FEAT_1_EDX] = 860 PPRO_FEATURES | CPUID_VME | 861 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_PSE36, 862 .features[FEAT_1_ECX] = 863 CPUID_EXT_SSE3, 864 .features[FEAT_8000_0001_ECX] = 865 0, 866 .xlevel = 0x80000008, 867 .model_id = "Common 32-bit KVM processor" 868 }, 869 { 870 .name = "coreduo", 871 .level = 10, 872 .vendor = CPUID_VENDOR_INTEL, 873 .family = 6, 874 .model = 14, 875 .stepping = 8, 876 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */ 877 .features[FEAT_1_EDX] = 878 PPRO_FEATURES | CPUID_VME | 879 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_ACPI | 880 CPUID_SS, 881 /* Missing: CPUID_EXT_EST, CPUID_EXT_TM2 , CPUID_EXT_XTPR, 882 * CPUID_EXT_PDCM, CPUID_EXT_VMX */ 883 .features[FEAT_1_ECX] = 884 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR, 885 .features[FEAT_8000_0001_EDX] = 886 CPUID_EXT2_NX, 887 .xlevel = 0x80000008, 888 .model_id = "Genuine Intel(R) CPU T2600 @ 2.16GHz", 889 }, 890 { 891 .name = "486", 892 .level = 1, 893 .vendor = CPUID_VENDOR_INTEL, 894 .family = 4, 895 .model = 8, 896 .stepping = 0, 897 .features[FEAT_1_EDX] = 898 I486_FEATURES, 899 .xlevel = 0, 900 }, 901 { 902 .name = "pentium", 903 .level = 1, 904 .vendor = CPUID_VENDOR_INTEL, 905 .family = 5, 906 .model = 4, 907 .stepping = 3, 908 .features[FEAT_1_EDX] = 909 PENTIUM_FEATURES, 910 .xlevel = 0, 911 }, 912 { 913 .name = "pentium2", 914 .level = 2, 915 .vendor = CPUID_VENDOR_INTEL, 916 .family = 6, 917 .model = 5, 918 .stepping = 2, 919 .features[FEAT_1_EDX] = 920 PENTIUM2_FEATURES, 921 .xlevel = 0, 922 }, 923 { 924 .name = "pentium3", 925 .level = 3, 926 .vendor = CPUID_VENDOR_INTEL, 927 .family = 6, 928 .model = 7, 929 .stepping = 3, 930 .features[FEAT_1_EDX] = 931 PENTIUM3_FEATURES, 932 .xlevel = 0, 933 }, 934 { 935 .name = "athlon", 936 .level = 2, 937 .vendor = CPUID_VENDOR_AMD, 938 .family = 6, 939 .model = 2, 940 .stepping = 3, 941 .features[FEAT_1_EDX] = 942 PPRO_FEATURES | CPUID_PSE36 | CPUID_VME | CPUID_MTRR | 943 CPUID_MCA, 944 .features[FEAT_8000_0001_EDX] = 945 CPUID_EXT2_MMXEXT | CPUID_EXT2_3DNOW | CPUID_EXT2_3DNOWEXT, 946 .xlevel = 0x80000008, 947 .model_id = "QEMU Virtual CPU version " QEMU_HW_VERSION, 948 }, 949 { 950 .name = "n270", 951 .level = 10, 952 .vendor = CPUID_VENDOR_INTEL, 953 .family = 6, 954 .model = 28, 955 .stepping = 2, 956 /* Missing: CPUID_DTS, CPUID_HT, CPUID_TM, CPUID_PBE */ 957 .features[FEAT_1_EDX] = 958 PPRO_FEATURES | 959 CPUID_MTRR | CPUID_CLFLUSH | CPUID_MCA | CPUID_VME | 960 CPUID_ACPI | CPUID_SS, 961 /* Some CPUs got no CPUID_SEP */ 962 /* Missing: CPUID_EXT_DSCPL, CPUID_EXT_EST, CPUID_EXT_TM2, 963 * CPUID_EXT_XTPR */ 964 .features[FEAT_1_ECX] = 965 CPUID_EXT_SSE3 | CPUID_EXT_MONITOR | CPUID_EXT_SSSE3 | 966 CPUID_EXT_MOVBE, 967 .features[FEAT_8000_0001_EDX] = 968 CPUID_EXT2_NX, 969 .features[FEAT_8000_0001_ECX] = 970 CPUID_EXT3_LAHF_LM, 971 .xlevel = 0x80000008, 972 .model_id = "Intel(R) Atom(TM) CPU N270 @ 1.60GHz", 973 }, 974 { 975 .name = "Conroe", 976 .level = 10, 977 .vendor = CPUID_VENDOR_INTEL, 978 .family = 6, 979 .model = 15, 980 .stepping = 3, 981 .features[FEAT_1_EDX] = 982 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 983 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 984 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 985 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 986 CPUID_DE | CPUID_FP87, 987 .features[FEAT_1_ECX] = 988 CPUID_EXT_SSSE3 | CPUID_EXT_SSE3, 989 .features[FEAT_8000_0001_EDX] = 990 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL, 991 .features[FEAT_8000_0001_ECX] = 992 CPUID_EXT3_LAHF_LM, 993 .xlevel = 0x80000008, 994 .model_id = "Intel Celeron_4x0 (Conroe/Merom Class Core 2)", 995 }, 996 { 997 .name = "Penryn", 998 .level = 10, 999 .vendor = CPUID_VENDOR_INTEL, 1000 .family = 6, 1001 .model = 23, 1002 .stepping = 3, 1003 .features[FEAT_1_EDX] = 1004 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 1005 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 1006 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 1007 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 1008 CPUID_DE | CPUID_FP87, 1009 .features[FEAT_1_ECX] = 1010 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | 1011 CPUID_EXT_SSE3, 1012 .features[FEAT_8000_0001_EDX] = 1013 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL, 1014 .features[FEAT_8000_0001_ECX] = 1015 CPUID_EXT3_LAHF_LM, 1016 .xlevel = 0x80000008, 1017 .model_id = "Intel Core 2 Duo P9xxx (Penryn Class Core 2)", 1018 }, 1019 { 1020 .name = "Nehalem", 1021 .level = 11, 1022 .vendor = CPUID_VENDOR_INTEL, 1023 .family = 6, 1024 .model = 26, 1025 .stepping = 3, 1026 .features[FEAT_1_EDX] = 1027 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 1028 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 1029 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 1030 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 1031 CPUID_DE | CPUID_FP87, 1032 .features[FEAT_1_ECX] = 1033 CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 | 1034 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_SSE3, 1035 .features[FEAT_8000_0001_EDX] = 1036 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, 1037 .features[FEAT_8000_0001_ECX] = 1038 CPUID_EXT3_LAHF_LM, 1039 .xlevel = 0x80000008, 1040 .model_id = "Intel Core i7 9xx (Nehalem Class Core i7)", 1041 }, 1042 { 1043 .name = "Westmere", 1044 .level = 11, 1045 .vendor = CPUID_VENDOR_INTEL, 1046 .family = 6, 1047 .model = 44, 1048 .stepping = 1, 1049 .features[FEAT_1_EDX] = 1050 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 1051 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 1052 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 1053 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 1054 CPUID_DE | CPUID_FP87, 1055 .features[FEAT_1_ECX] = 1056 CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | 1057 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | 1058 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3, 1059 .features[FEAT_8000_0001_EDX] = 1060 CPUID_EXT2_LM | CPUID_EXT2_SYSCALL | CPUID_EXT2_NX, 1061 .features[FEAT_8000_0001_ECX] = 1062 CPUID_EXT3_LAHF_LM, 1063 .features[FEAT_6_EAX] = 1064 CPUID_6_EAX_ARAT, 1065 .xlevel = 0x80000008, 1066 .model_id = "Westmere E56xx/L56xx/X56xx (Nehalem-C)", 1067 }, 1068 { 1069 .name = "SandyBridge", 1070 .level = 0xd, 1071 .vendor = CPUID_VENDOR_INTEL, 1072 .family = 6, 1073 .model = 42, 1074 .stepping = 1, 1075 .features[FEAT_1_EDX] = 1076 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 1077 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 1078 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 1079 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 1080 CPUID_DE | CPUID_FP87, 1081 .features[FEAT_1_ECX] = 1082 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | 1083 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT | 1084 CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 | 1085 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | 1086 CPUID_EXT_SSE3, 1087 .features[FEAT_8000_0001_EDX] = 1088 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX | 1089 CPUID_EXT2_SYSCALL, 1090 .features[FEAT_8000_0001_ECX] = 1091 CPUID_EXT3_LAHF_LM, 1092 .features[FEAT_XSAVE] = 1093 CPUID_XSAVE_XSAVEOPT, 1094 .features[FEAT_6_EAX] = 1095 CPUID_6_EAX_ARAT, 1096 .xlevel = 0x80000008, 1097 .model_id = "Intel Xeon E312xx (Sandy Bridge)", 1098 }, 1099 { 1100 .name = "IvyBridge", 1101 .level = 0xd, 1102 .vendor = CPUID_VENDOR_INTEL, 1103 .family = 6, 1104 .model = 58, 1105 .stepping = 9, 1106 .features[FEAT_1_EDX] = 1107 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 1108 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 1109 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 1110 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 1111 CPUID_DE | CPUID_FP87, 1112 .features[FEAT_1_ECX] = 1113 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | 1114 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_POPCNT | 1115 CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 | 1116 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | 1117 CPUID_EXT_SSE3 | CPUID_EXT_F16C | CPUID_EXT_RDRAND, 1118 .features[FEAT_7_0_EBX] = 1119 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_SMEP | 1120 CPUID_7_0_EBX_ERMS, 1121 .features[FEAT_8000_0001_EDX] = 1122 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX | 1123 CPUID_EXT2_SYSCALL, 1124 .features[FEAT_8000_0001_ECX] = 1125 CPUID_EXT3_LAHF_LM, 1126 .features[FEAT_XSAVE] = 1127 CPUID_XSAVE_XSAVEOPT, 1128 .features[FEAT_6_EAX] = 1129 CPUID_6_EAX_ARAT, 1130 .xlevel = 0x80000008, 1131 .model_id = "Intel Xeon E3-12xx v2 (Ivy Bridge)", 1132 }, 1133 { 1134 .name = "Haswell-noTSX", 1135 .level = 0xd, 1136 .vendor = CPUID_VENDOR_INTEL, 1137 .family = 6, 1138 .model = 60, 1139 .stepping = 1, 1140 .features[FEAT_1_EDX] = 1141 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 1142 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 1143 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 1144 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 1145 CPUID_DE | CPUID_FP87, 1146 .features[FEAT_1_ECX] = 1147 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | 1148 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | 1149 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | 1150 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 | 1151 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE | 1152 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND, 1153 .features[FEAT_8000_0001_EDX] = 1154 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX | 1155 CPUID_EXT2_SYSCALL, 1156 .features[FEAT_8000_0001_ECX] = 1157 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM, 1158 .features[FEAT_7_0_EBX] = 1159 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | 1160 CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP | 1161 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID, 1162 .features[FEAT_XSAVE] = 1163 CPUID_XSAVE_XSAVEOPT, 1164 .features[FEAT_6_EAX] = 1165 CPUID_6_EAX_ARAT, 1166 .xlevel = 0x80000008, 1167 .model_id = "Intel Core Processor (Haswell, no TSX)", 1168 }, { 1169 .name = "Haswell", 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_HLE | 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 CPUID_7_0_EBX_RTM, 1198 .features[FEAT_XSAVE] = 1199 CPUID_XSAVE_XSAVEOPT, 1200 .features[FEAT_6_EAX] = 1201 CPUID_6_EAX_ARAT, 1202 .xlevel = 0x80000008, 1203 .model_id = "Intel Core Processor (Haswell)", 1204 }, 1205 { 1206 .name = "Broadwell-noTSX", 1207 .level = 0xd, 1208 .vendor = CPUID_VENDOR_INTEL, 1209 .family = 6, 1210 .model = 61, 1211 .stepping = 2, 1212 .features[FEAT_1_EDX] = 1213 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 1214 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 1215 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 1216 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 1217 CPUID_DE | CPUID_FP87, 1218 .features[FEAT_1_ECX] = 1219 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | 1220 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | 1221 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | 1222 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 | 1223 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE | 1224 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND, 1225 .features[FEAT_8000_0001_EDX] = 1226 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX | 1227 CPUID_EXT2_SYSCALL, 1228 .features[FEAT_8000_0001_ECX] = 1229 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH, 1230 .features[FEAT_7_0_EBX] = 1231 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | 1232 CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP | 1233 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID | 1234 CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX | 1235 CPUID_7_0_EBX_SMAP, 1236 .features[FEAT_XSAVE] = 1237 CPUID_XSAVE_XSAVEOPT, 1238 .features[FEAT_6_EAX] = 1239 CPUID_6_EAX_ARAT, 1240 .xlevel = 0x80000008, 1241 .model_id = "Intel Core Processor (Broadwell, no TSX)", 1242 }, 1243 { 1244 .name = "Broadwell", 1245 .level = 0xd, 1246 .vendor = CPUID_VENDOR_INTEL, 1247 .family = 6, 1248 .model = 61, 1249 .stepping = 2, 1250 .features[FEAT_1_EDX] = 1251 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 1252 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 1253 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 1254 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 1255 CPUID_DE | CPUID_FP87, 1256 .features[FEAT_1_ECX] = 1257 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | 1258 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | 1259 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | 1260 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 | 1261 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE | 1262 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND, 1263 .features[FEAT_8000_0001_EDX] = 1264 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX | 1265 CPUID_EXT2_SYSCALL, 1266 .features[FEAT_8000_0001_ECX] = 1267 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH, 1268 .features[FEAT_7_0_EBX] = 1269 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | 1270 CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP | 1271 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID | 1272 CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX | 1273 CPUID_7_0_EBX_SMAP, 1274 .features[FEAT_XSAVE] = 1275 CPUID_XSAVE_XSAVEOPT, 1276 .features[FEAT_6_EAX] = 1277 CPUID_6_EAX_ARAT, 1278 .xlevel = 0x80000008, 1279 .model_id = "Intel Core Processor (Broadwell)", 1280 }, 1281 { 1282 .name = "Skylake-Client", 1283 .level = 0xd, 1284 .vendor = CPUID_VENDOR_INTEL, 1285 .family = 6, 1286 .model = 94, 1287 .stepping = 3, 1288 .features[FEAT_1_EDX] = 1289 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 1290 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 1291 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 1292 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 1293 CPUID_DE | CPUID_FP87, 1294 .features[FEAT_1_ECX] = 1295 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | 1296 CPUID_EXT_POPCNT | CPUID_EXT_X2APIC | CPUID_EXT_SSE42 | 1297 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | 1298 CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3 | 1299 CPUID_EXT_TSC_DEADLINE_TIMER | CPUID_EXT_FMA | CPUID_EXT_MOVBE | 1300 CPUID_EXT_PCID | CPUID_EXT_F16C | CPUID_EXT_RDRAND, 1301 .features[FEAT_8000_0001_EDX] = 1302 CPUID_EXT2_LM | CPUID_EXT2_RDTSCP | CPUID_EXT2_NX | 1303 CPUID_EXT2_SYSCALL, 1304 .features[FEAT_8000_0001_ECX] = 1305 CPUID_EXT3_ABM | CPUID_EXT3_LAHF_LM | CPUID_EXT3_3DNOWPREFETCH, 1306 .features[FEAT_7_0_EBX] = 1307 CPUID_7_0_EBX_FSGSBASE | CPUID_7_0_EBX_BMI1 | 1308 CPUID_7_0_EBX_HLE | CPUID_7_0_EBX_AVX2 | CPUID_7_0_EBX_SMEP | 1309 CPUID_7_0_EBX_BMI2 | CPUID_7_0_EBX_ERMS | CPUID_7_0_EBX_INVPCID | 1310 CPUID_7_0_EBX_RTM | CPUID_7_0_EBX_RDSEED | CPUID_7_0_EBX_ADX | 1311 CPUID_7_0_EBX_SMAP | CPUID_7_0_EBX_MPX, 1312 /* Missing: XSAVES (not supported by some Linux versions, 1313 * including v4.1 to v4.6). 1314 * KVM doesn't yet expose any XSAVES state save component, 1315 * and the only one defined in Skylake (processor tracing) 1316 * probably will block migration anyway. 1317 */ 1318 .features[FEAT_XSAVE] = 1319 CPUID_XSAVE_XSAVEOPT | CPUID_XSAVE_XSAVEC | 1320 CPUID_XSAVE_XGETBV1, 1321 .features[FEAT_6_EAX] = 1322 CPUID_6_EAX_ARAT, 1323 .xlevel = 0x80000008, 1324 .model_id = "Intel Core Processor (Skylake)", 1325 }, 1326 { 1327 .name = "Opteron_G1", 1328 .level = 5, 1329 .vendor = CPUID_VENDOR_AMD, 1330 .family = 15, 1331 .model = 6, 1332 .stepping = 1, 1333 .features[FEAT_1_EDX] = 1334 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 1335 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 1336 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 1337 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 1338 CPUID_DE | CPUID_FP87, 1339 .features[FEAT_1_ECX] = 1340 CPUID_EXT_SSE3, 1341 .features[FEAT_8000_0001_EDX] = 1342 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL, 1343 .xlevel = 0x80000008, 1344 .model_id = "AMD Opteron 240 (Gen 1 Class Opteron)", 1345 }, 1346 { 1347 .name = "Opteron_G2", 1348 .level = 5, 1349 .vendor = CPUID_VENDOR_AMD, 1350 .family = 15, 1351 .model = 6, 1352 .stepping = 1, 1353 .features[FEAT_1_EDX] = 1354 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 1355 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 1356 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 1357 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 1358 CPUID_DE | CPUID_FP87, 1359 .features[FEAT_1_ECX] = 1360 CPUID_EXT_CX16 | CPUID_EXT_SSE3, 1361 /* Missing: CPUID_EXT2_RDTSCP */ 1362 .features[FEAT_8000_0001_EDX] = 1363 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL, 1364 .features[FEAT_8000_0001_ECX] = 1365 CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM, 1366 .xlevel = 0x80000008, 1367 .model_id = "AMD Opteron 22xx (Gen 2 Class Opteron)", 1368 }, 1369 { 1370 .name = "Opteron_G3", 1371 .level = 5, 1372 .vendor = CPUID_VENDOR_AMD, 1373 .family = 16, 1374 .model = 2, 1375 .stepping = 3, 1376 .features[FEAT_1_EDX] = 1377 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 1378 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 1379 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 1380 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 1381 CPUID_DE | CPUID_FP87, 1382 .features[FEAT_1_ECX] = 1383 CPUID_EXT_POPCNT | CPUID_EXT_CX16 | CPUID_EXT_MONITOR | 1384 CPUID_EXT_SSE3, 1385 /* Missing: CPUID_EXT2_RDTSCP */ 1386 .features[FEAT_8000_0001_EDX] = 1387 CPUID_EXT2_LM | CPUID_EXT2_NX | CPUID_EXT2_SYSCALL, 1388 .features[FEAT_8000_0001_ECX] = 1389 CPUID_EXT3_MISALIGNSSE | CPUID_EXT3_SSE4A | 1390 CPUID_EXT3_ABM | CPUID_EXT3_SVM | CPUID_EXT3_LAHF_LM, 1391 .xlevel = 0x80000008, 1392 .model_id = "AMD Opteron 23xx (Gen 3 Class Opteron)", 1393 }, 1394 { 1395 .name = "Opteron_G4", 1396 .level = 0xd, 1397 .vendor = CPUID_VENDOR_AMD, 1398 .family = 21, 1399 .model = 1, 1400 .stepping = 2, 1401 .features[FEAT_1_EDX] = 1402 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 1403 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 1404 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 1405 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 1406 CPUID_DE | CPUID_FP87, 1407 .features[FEAT_1_ECX] = 1408 CPUID_EXT_AVX | CPUID_EXT_XSAVE | CPUID_EXT_AES | 1409 CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | CPUID_EXT_SSE41 | 1410 CPUID_EXT_CX16 | CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | 1411 CPUID_EXT_SSE3, 1412 /* Missing: CPUID_EXT2_RDTSCP */ 1413 .features[FEAT_8000_0001_EDX] = 1414 CPUID_EXT2_LM | CPUID_EXT2_PDPE1GB | CPUID_EXT2_NX | 1415 CPUID_EXT2_SYSCALL, 1416 .features[FEAT_8000_0001_ECX] = 1417 CPUID_EXT3_FMA4 | CPUID_EXT3_XOP | 1418 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE | 1419 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM | 1420 CPUID_EXT3_LAHF_LM, 1421 /* no xsaveopt! */ 1422 .xlevel = 0x8000001A, 1423 .model_id = "AMD Opteron 62xx class CPU", 1424 }, 1425 { 1426 .name = "Opteron_G5", 1427 .level = 0xd, 1428 .vendor = CPUID_VENDOR_AMD, 1429 .family = 21, 1430 .model = 2, 1431 .stepping = 0, 1432 .features[FEAT_1_EDX] = 1433 CPUID_VME | CPUID_SSE2 | CPUID_SSE | CPUID_FXSR | CPUID_MMX | 1434 CPUID_CLFLUSH | CPUID_PSE36 | CPUID_PAT | CPUID_CMOV | CPUID_MCA | 1435 CPUID_PGE | CPUID_MTRR | CPUID_SEP | CPUID_APIC | CPUID_CX8 | 1436 CPUID_MCE | CPUID_PAE | CPUID_MSR | CPUID_TSC | CPUID_PSE | 1437 CPUID_DE | CPUID_FP87, 1438 .features[FEAT_1_ECX] = 1439 CPUID_EXT_F16C | CPUID_EXT_AVX | CPUID_EXT_XSAVE | 1440 CPUID_EXT_AES | CPUID_EXT_POPCNT | CPUID_EXT_SSE42 | 1441 CPUID_EXT_SSE41 | CPUID_EXT_CX16 | CPUID_EXT_FMA | 1442 CPUID_EXT_SSSE3 | CPUID_EXT_PCLMULQDQ | CPUID_EXT_SSE3, 1443 /* Missing: CPUID_EXT2_RDTSCP */ 1444 .features[FEAT_8000_0001_EDX] = 1445 CPUID_EXT2_LM | CPUID_EXT2_PDPE1GB | CPUID_EXT2_NX | 1446 CPUID_EXT2_SYSCALL, 1447 .features[FEAT_8000_0001_ECX] = 1448 CPUID_EXT3_TBM | CPUID_EXT3_FMA4 | CPUID_EXT3_XOP | 1449 CPUID_EXT3_3DNOWPREFETCH | CPUID_EXT3_MISALIGNSSE | 1450 CPUID_EXT3_SSE4A | CPUID_EXT3_ABM | CPUID_EXT3_SVM | 1451 CPUID_EXT3_LAHF_LM, 1452 /* no xsaveopt! */ 1453 .xlevel = 0x8000001A, 1454 .model_id = "AMD Opteron 63xx class CPU", 1455 }, 1456 }; 1457 1458 typedef struct PropValue { 1459 const char *prop, *value; 1460 } PropValue; 1461 1462 /* KVM-specific features that are automatically added/removed 1463 * from all CPU models when KVM is enabled. 1464 */ 1465 static PropValue kvm_default_props[] = { 1466 { "kvmclock", "on" }, 1467 { "kvm-nopiodelay", "on" }, 1468 { "kvm-asyncpf", "on" }, 1469 { "kvm-steal-time", "on" }, 1470 { "kvm-pv-eoi", "on" }, 1471 { "kvmclock-stable-bit", "on" }, 1472 { "x2apic", "on" }, 1473 { "acpi", "off" }, 1474 { "monitor", "off" }, 1475 { "svm", "off" }, 1476 { NULL, NULL }, 1477 }; 1478 1479 /* TCG-specific defaults that override all CPU models when using TCG 1480 */ 1481 static PropValue tcg_default_props[] = { 1482 { "vme", "off" }, 1483 { NULL, NULL }, 1484 }; 1485 1486 1487 void x86_cpu_change_kvm_default(const char *prop, const char *value) 1488 { 1489 PropValue *pv; 1490 for (pv = kvm_default_props; pv->prop; pv++) { 1491 if (!strcmp(pv->prop, prop)) { 1492 pv->value = value; 1493 break; 1494 } 1495 } 1496 1497 /* It is valid to call this function only for properties that 1498 * are already present in the kvm_default_props table. 1499 */ 1500 assert(pv->prop); 1501 } 1502 1503 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w, 1504 bool migratable_only); 1505 1506 #ifdef CONFIG_KVM 1507 1508 static bool lmce_supported(void) 1509 { 1510 uint64_t mce_cap; 1511 1512 if (kvm_ioctl(kvm_state, KVM_X86_GET_MCE_CAP_SUPPORTED, &mce_cap) < 0) { 1513 return false; 1514 } 1515 1516 return !!(mce_cap & MCG_LMCE_P); 1517 } 1518 1519 static int cpu_x86_fill_model_id(char *str) 1520 { 1521 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0; 1522 int i; 1523 1524 for (i = 0; i < 3; i++) { 1525 host_cpuid(0x80000002 + i, 0, &eax, &ebx, &ecx, &edx); 1526 memcpy(str + i * 16 + 0, &eax, 4); 1527 memcpy(str + i * 16 + 4, &ebx, 4); 1528 memcpy(str + i * 16 + 8, &ecx, 4); 1529 memcpy(str + i * 16 + 12, &edx, 4); 1530 } 1531 return 0; 1532 } 1533 1534 static X86CPUDefinition host_cpudef; 1535 1536 static Property host_x86_cpu_properties[] = { 1537 DEFINE_PROP_BOOL("migratable", X86CPU, migratable, true), 1538 DEFINE_PROP_BOOL("host-cache-info", X86CPU, cache_info_passthrough, false), 1539 DEFINE_PROP_END_OF_LIST() 1540 }; 1541 1542 /* class_init for the "host" CPU model 1543 * 1544 * This function may be called before KVM is initialized. 1545 */ 1546 static void host_x86_cpu_class_init(ObjectClass *oc, void *data) 1547 { 1548 DeviceClass *dc = DEVICE_CLASS(oc); 1549 X86CPUClass *xcc = X86_CPU_CLASS(oc); 1550 uint32_t eax = 0, ebx = 0, ecx = 0, edx = 0; 1551 1552 xcc->kvm_required = true; 1553 1554 host_cpuid(0x0, 0, &eax, &ebx, &ecx, &edx); 1555 x86_cpu_vendor_words2str(host_cpudef.vendor, ebx, edx, ecx); 1556 1557 host_cpuid(0x1, 0, &eax, &ebx, &ecx, &edx); 1558 host_cpudef.family = ((eax >> 8) & 0x0F) + ((eax >> 20) & 0xFF); 1559 host_cpudef.model = ((eax >> 4) & 0x0F) | ((eax & 0xF0000) >> 12); 1560 host_cpudef.stepping = eax & 0x0F; 1561 1562 cpu_x86_fill_model_id(host_cpudef.model_id); 1563 1564 xcc->cpu_def = &host_cpudef; 1565 xcc->model_description = 1566 "KVM processor with all supported host features " 1567 "(only available in KVM mode)"; 1568 1569 /* level, xlevel, xlevel2, and the feature words are initialized on 1570 * instance_init, because they require KVM to be initialized. 1571 */ 1572 1573 dc->props = host_x86_cpu_properties; 1574 /* Reason: host_x86_cpu_initfn() dies when !kvm_enabled() */ 1575 dc->cannot_destroy_with_object_finalize_yet = true; 1576 } 1577 1578 static void host_x86_cpu_initfn(Object *obj) 1579 { 1580 X86CPU *cpu = X86_CPU(obj); 1581 CPUX86State *env = &cpu->env; 1582 KVMState *s = kvm_state; 1583 1584 /* We can't fill the features array here because we don't know yet if 1585 * "migratable" is true or false. 1586 */ 1587 cpu->host_features = true; 1588 1589 /* If KVM is disabled, x86_cpu_realizefn() will report an error later */ 1590 if (kvm_enabled()) { 1591 env->cpuid_min_level = 1592 kvm_arch_get_supported_cpuid(s, 0x0, 0, R_EAX); 1593 env->cpuid_min_xlevel = 1594 kvm_arch_get_supported_cpuid(s, 0x80000000, 0, R_EAX); 1595 env->cpuid_min_xlevel2 = 1596 kvm_arch_get_supported_cpuid(s, 0xC0000000, 0, R_EAX); 1597 1598 if (lmce_supported()) { 1599 object_property_set_bool(OBJECT(cpu), true, "lmce", &error_abort); 1600 } 1601 } 1602 1603 object_property_set_bool(OBJECT(cpu), true, "pmu", &error_abort); 1604 } 1605 1606 static const TypeInfo host_x86_cpu_type_info = { 1607 .name = X86_CPU_TYPE_NAME("host"), 1608 .parent = TYPE_X86_CPU, 1609 .instance_init = host_x86_cpu_initfn, 1610 .class_init = host_x86_cpu_class_init, 1611 }; 1612 1613 #endif 1614 1615 static void report_unavailable_features(FeatureWord w, uint32_t mask) 1616 { 1617 FeatureWordInfo *f = &feature_word_info[w]; 1618 int i; 1619 1620 for (i = 0; i < 32; ++i) { 1621 if ((1UL << i) & mask) { 1622 const char *reg = get_register_name_32(f->cpuid_reg); 1623 assert(reg); 1624 fprintf(stderr, "warning: %s doesn't support requested feature: " 1625 "CPUID.%02XH:%s%s%s [bit %d]\n", 1626 kvm_enabled() ? "host" : "TCG", 1627 f->cpuid_eax, reg, 1628 f->feat_names[i] ? "." : "", 1629 f->feat_names[i] ? f->feat_names[i] : "", i); 1630 } 1631 } 1632 } 1633 1634 static void x86_cpuid_version_get_family(Object *obj, Visitor *v, 1635 const char *name, void *opaque, 1636 Error **errp) 1637 { 1638 X86CPU *cpu = X86_CPU(obj); 1639 CPUX86State *env = &cpu->env; 1640 int64_t value; 1641 1642 value = (env->cpuid_version >> 8) & 0xf; 1643 if (value == 0xf) { 1644 value += (env->cpuid_version >> 20) & 0xff; 1645 } 1646 visit_type_int(v, name, &value, errp); 1647 } 1648 1649 static void x86_cpuid_version_set_family(Object *obj, Visitor *v, 1650 const char *name, void *opaque, 1651 Error **errp) 1652 { 1653 X86CPU *cpu = X86_CPU(obj); 1654 CPUX86State *env = &cpu->env; 1655 const int64_t min = 0; 1656 const int64_t max = 0xff + 0xf; 1657 Error *local_err = NULL; 1658 int64_t value; 1659 1660 visit_type_int(v, name, &value, &local_err); 1661 if (local_err) { 1662 error_propagate(errp, local_err); 1663 return; 1664 } 1665 if (value < min || value > max) { 1666 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "", 1667 name ? name : "null", value, min, max); 1668 return; 1669 } 1670 1671 env->cpuid_version &= ~0xff00f00; 1672 if (value > 0x0f) { 1673 env->cpuid_version |= 0xf00 | ((value - 0x0f) << 20); 1674 } else { 1675 env->cpuid_version |= value << 8; 1676 } 1677 } 1678 1679 static void x86_cpuid_version_get_model(Object *obj, Visitor *v, 1680 const char *name, void *opaque, 1681 Error **errp) 1682 { 1683 X86CPU *cpu = X86_CPU(obj); 1684 CPUX86State *env = &cpu->env; 1685 int64_t value; 1686 1687 value = (env->cpuid_version >> 4) & 0xf; 1688 value |= ((env->cpuid_version >> 16) & 0xf) << 4; 1689 visit_type_int(v, name, &value, errp); 1690 } 1691 1692 static void x86_cpuid_version_set_model(Object *obj, Visitor *v, 1693 const char *name, void *opaque, 1694 Error **errp) 1695 { 1696 X86CPU *cpu = X86_CPU(obj); 1697 CPUX86State *env = &cpu->env; 1698 const int64_t min = 0; 1699 const int64_t max = 0xff; 1700 Error *local_err = NULL; 1701 int64_t value; 1702 1703 visit_type_int(v, name, &value, &local_err); 1704 if (local_err) { 1705 error_propagate(errp, local_err); 1706 return; 1707 } 1708 if (value < min || value > max) { 1709 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "", 1710 name ? name : "null", value, min, max); 1711 return; 1712 } 1713 1714 env->cpuid_version &= ~0xf00f0; 1715 env->cpuid_version |= ((value & 0xf) << 4) | ((value >> 4) << 16); 1716 } 1717 1718 static void x86_cpuid_version_get_stepping(Object *obj, Visitor *v, 1719 const char *name, void *opaque, 1720 Error **errp) 1721 { 1722 X86CPU *cpu = X86_CPU(obj); 1723 CPUX86State *env = &cpu->env; 1724 int64_t value; 1725 1726 value = env->cpuid_version & 0xf; 1727 visit_type_int(v, name, &value, errp); 1728 } 1729 1730 static void x86_cpuid_version_set_stepping(Object *obj, Visitor *v, 1731 const char *name, void *opaque, 1732 Error **errp) 1733 { 1734 X86CPU *cpu = X86_CPU(obj); 1735 CPUX86State *env = &cpu->env; 1736 const int64_t min = 0; 1737 const int64_t max = 0xf; 1738 Error *local_err = NULL; 1739 int64_t value; 1740 1741 visit_type_int(v, name, &value, &local_err); 1742 if (local_err) { 1743 error_propagate(errp, local_err); 1744 return; 1745 } 1746 if (value < min || value > max) { 1747 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "", 1748 name ? name : "null", value, min, max); 1749 return; 1750 } 1751 1752 env->cpuid_version &= ~0xf; 1753 env->cpuid_version |= value & 0xf; 1754 } 1755 1756 static char *x86_cpuid_get_vendor(Object *obj, Error **errp) 1757 { 1758 X86CPU *cpu = X86_CPU(obj); 1759 CPUX86State *env = &cpu->env; 1760 char *value; 1761 1762 value = g_malloc(CPUID_VENDOR_SZ + 1); 1763 x86_cpu_vendor_words2str(value, env->cpuid_vendor1, env->cpuid_vendor2, 1764 env->cpuid_vendor3); 1765 return value; 1766 } 1767 1768 static void x86_cpuid_set_vendor(Object *obj, const char *value, 1769 Error **errp) 1770 { 1771 X86CPU *cpu = X86_CPU(obj); 1772 CPUX86State *env = &cpu->env; 1773 int i; 1774 1775 if (strlen(value) != CPUID_VENDOR_SZ) { 1776 error_setg(errp, QERR_PROPERTY_VALUE_BAD, "", "vendor", value); 1777 return; 1778 } 1779 1780 env->cpuid_vendor1 = 0; 1781 env->cpuid_vendor2 = 0; 1782 env->cpuid_vendor3 = 0; 1783 for (i = 0; i < 4; i++) { 1784 env->cpuid_vendor1 |= ((uint8_t)value[i ]) << (8 * i); 1785 env->cpuid_vendor2 |= ((uint8_t)value[i + 4]) << (8 * i); 1786 env->cpuid_vendor3 |= ((uint8_t)value[i + 8]) << (8 * i); 1787 } 1788 } 1789 1790 static char *x86_cpuid_get_model_id(Object *obj, Error **errp) 1791 { 1792 X86CPU *cpu = X86_CPU(obj); 1793 CPUX86State *env = &cpu->env; 1794 char *value; 1795 int i; 1796 1797 value = g_malloc(48 + 1); 1798 for (i = 0; i < 48; i++) { 1799 value[i] = env->cpuid_model[i >> 2] >> (8 * (i & 3)); 1800 } 1801 value[48] = '\0'; 1802 return value; 1803 } 1804 1805 static void x86_cpuid_set_model_id(Object *obj, const char *model_id, 1806 Error **errp) 1807 { 1808 X86CPU *cpu = X86_CPU(obj); 1809 CPUX86State *env = &cpu->env; 1810 int c, len, i; 1811 1812 if (model_id == NULL) { 1813 model_id = ""; 1814 } 1815 len = strlen(model_id); 1816 memset(env->cpuid_model, 0, 48); 1817 for (i = 0; i < 48; i++) { 1818 if (i >= len) { 1819 c = '\0'; 1820 } else { 1821 c = (uint8_t)model_id[i]; 1822 } 1823 env->cpuid_model[i >> 2] |= c << (8 * (i & 3)); 1824 } 1825 } 1826 1827 static void x86_cpuid_get_tsc_freq(Object *obj, Visitor *v, const char *name, 1828 void *opaque, Error **errp) 1829 { 1830 X86CPU *cpu = X86_CPU(obj); 1831 int64_t value; 1832 1833 value = cpu->env.tsc_khz * 1000; 1834 visit_type_int(v, name, &value, errp); 1835 } 1836 1837 static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, const char *name, 1838 void *opaque, Error **errp) 1839 { 1840 X86CPU *cpu = X86_CPU(obj); 1841 const int64_t min = 0; 1842 const int64_t max = INT64_MAX; 1843 Error *local_err = NULL; 1844 int64_t value; 1845 1846 visit_type_int(v, name, &value, &local_err); 1847 if (local_err) { 1848 error_propagate(errp, local_err); 1849 return; 1850 } 1851 if (value < min || value > max) { 1852 error_setg(errp, QERR_PROPERTY_VALUE_OUT_OF_RANGE, "", 1853 name ? name : "null", value, min, max); 1854 return; 1855 } 1856 1857 cpu->env.tsc_khz = cpu->env.user_tsc_khz = value / 1000; 1858 } 1859 1860 /* Generic getter for "feature-words" and "filtered-features" properties */ 1861 static void x86_cpu_get_feature_words(Object *obj, Visitor *v, 1862 const char *name, void *opaque, 1863 Error **errp) 1864 { 1865 uint32_t *array = (uint32_t *)opaque; 1866 FeatureWord w; 1867 X86CPUFeatureWordInfo word_infos[FEATURE_WORDS] = { }; 1868 X86CPUFeatureWordInfoList list_entries[FEATURE_WORDS] = { }; 1869 X86CPUFeatureWordInfoList *list = NULL; 1870 1871 for (w = 0; w < FEATURE_WORDS; w++) { 1872 FeatureWordInfo *wi = &feature_word_info[w]; 1873 X86CPUFeatureWordInfo *qwi = &word_infos[w]; 1874 qwi->cpuid_input_eax = wi->cpuid_eax; 1875 qwi->has_cpuid_input_ecx = wi->cpuid_needs_ecx; 1876 qwi->cpuid_input_ecx = wi->cpuid_ecx; 1877 qwi->cpuid_register = x86_reg_info_32[wi->cpuid_reg].qapi_enum; 1878 qwi->features = array[w]; 1879 1880 /* List will be in reverse order, but order shouldn't matter */ 1881 list_entries[w].next = list; 1882 list_entries[w].value = &word_infos[w]; 1883 list = &list_entries[w]; 1884 } 1885 1886 visit_type_X86CPUFeatureWordInfoList(v, "feature-words", &list, errp); 1887 } 1888 1889 static void x86_get_hv_spinlocks(Object *obj, Visitor *v, const char *name, 1890 void *opaque, Error **errp) 1891 { 1892 X86CPU *cpu = X86_CPU(obj); 1893 int64_t value = cpu->hyperv_spinlock_attempts; 1894 1895 visit_type_int(v, name, &value, errp); 1896 } 1897 1898 static void x86_set_hv_spinlocks(Object *obj, Visitor *v, const char *name, 1899 void *opaque, Error **errp) 1900 { 1901 const int64_t min = 0xFFF; 1902 const int64_t max = UINT_MAX; 1903 X86CPU *cpu = X86_CPU(obj); 1904 Error *err = NULL; 1905 int64_t value; 1906 1907 visit_type_int(v, name, &value, &err); 1908 if (err) { 1909 error_propagate(errp, err); 1910 return; 1911 } 1912 1913 if (value < min || value > max) { 1914 error_setg(errp, "Property %s.%s doesn't take value %" PRId64 1915 " (minimum: %" PRId64 ", maximum: %" PRId64 ")", 1916 object_get_typename(obj), name ? name : "null", 1917 value, min, max); 1918 return; 1919 } 1920 cpu->hyperv_spinlock_attempts = value; 1921 } 1922 1923 static PropertyInfo qdev_prop_spinlocks = { 1924 .name = "int", 1925 .get = x86_get_hv_spinlocks, 1926 .set = x86_set_hv_spinlocks, 1927 }; 1928 1929 /* Convert all '_' in a feature string option name to '-', to make feature 1930 * name conform to QOM property naming rule, which uses '-' instead of '_'. 1931 */ 1932 static inline void feat2prop(char *s) 1933 { 1934 while ((s = strchr(s, '_'))) { 1935 *s = '-'; 1936 } 1937 } 1938 1939 /* Return the feature property name for a feature flag bit */ 1940 static const char *x86_cpu_feature_name(FeatureWord w, int bitnr) 1941 { 1942 /* XSAVE components are automatically enabled by other features, 1943 * so return the original feature name instead 1944 */ 1945 if (w == FEAT_XSAVE_COMP_LO || w == FEAT_XSAVE_COMP_HI) { 1946 int comp = (w == FEAT_XSAVE_COMP_HI) ? bitnr + 32 : bitnr; 1947 1948 if (comp < ARRAY_SIZE(x86_ext_save_areas) && 1949 x86_ext_save_areas[comp].bits) { 1950 w = x86_ext_save_areas[comp].feature; 1951 bitnr = ctz32(x86_ext_save_areas[comp].bits); 1952 } 1953 } 1954 1955 assert(bitnr < 32); 1956 assert(w < FEATURE_WORDS); 1957 return feature_word_info[w].feat_names[bitnr]; 1958 } 1959 1960 /* Compatibily hack to maintain legacy +-feat semantic, 1961 * where +-feat overwrites any feature set by 1962 * feat=on|feat even if the later is parsed after +-feat 1963 * (i.e. "-x2apic,x2apic=on" will result in x2apic disabled) 1964 */ 1965 static GList *plus_features, *minus_features; 1966 1967 static gint compare_string(gconstpointer a, gconstpointer b) 1968 { 1969 return g_strcmp0(a, b); 1970 } 1971 1972 /* Parse "+feature,-feature,feature=foo" CPU feature string 1973 */ 1974 static void x86_cpu_parse_featurestr(const char *typename, char *features, 1975 Error **errp) 1976 { 1977 char *featurestr; /* Single 'key=value" string being parsed */ 1978 static bool cpu_globals_initialized; 1979 bool ambiguous = false; 1980 1981 if (cpu_globals_initialized) { 1982 return; 1983 } 1984 cpu_globals_initialized = true; 1985 1986 if (!features) { 1987 return; 1988 } 1989 1990 for (featurestr = strtok(features, ","); 1991 featurestr; 1992 featurestr = strtok(NULL, ",")) { 1993 const char *name; 1994 const char *val = NULL; 1995 char *eq = NULL; 1996 char num[32]; 1997 GlobalProperty *prop; 1998 1999 /* Compatibility syntax: */ 2000 if (featurestr[0] == '+') { 2001 plus_features = g_list_append(plus_features, 2002 g_strdup(featurestr + 1)); 2003 continue; 2004 } else if (featurestr[0] == '-') { 2005 minus_features = g_list_append(minus_features, 2006 g_strdup(featurestr + 1)); 2007 continue; 2008 } 2009 2010 eq = strchr(featurestr, '='); 2011 if (eq) { 2012 *eq++ = 0; 2013 val = eq; 2014 } else { 2015 val = "on"; 2016 } 2017 2018 feat2prop(featurestr); 2019 name = featurestr; 2020 2021 if (g_list_find_custom(plus_features, name, compare_string)) { 2022 error_report("warning: Ambiguous CPU model string. " 2023 "Don't mix both \"+%s\" and \"%s=%s\"", 2024 name, name, val); 2025 ambiguous = true; 2026 } 2027 if (g_list_find_custom(minus_features, name, compare_string)) { 2028 error_report("warning: Ambiguous CPU model string. " 2029 "Don't mix both \"-%s\" and \"%s=%s\"", 2030 name, name, val); 2031 ambiguous = true; 2032 } 2033 2034 /* Special case: */ 2035 if (!strcmp(name, "tsc-freq")) { 2036 int64_t tsc_freq; 2037 char *err; 2038 2039 tsc_freq = qemu_strtosz_suffix_unit(val, &err, 2040 QEMU_STRTOSZ_DEFSUFFIX_B, 1000); 2041 if (tsc_freq < 0 || *err) { 2042 error_setg(errp, "bad numerical value %s", val); 2043 return; 2044 } 2045 snprintf(num, sizeof(num), "%" PRId64, tsc_freq); 2046 val = num; 2047 name = "tsc-frequency"; 2048 } 2049 2050 prop = g_new0(typeof(*prop), 1); 2051 prop->driver = typename; 2052 prop->property = g_strdup(name); 2053 prop->value = g_strdup(val); 2054 prop->errp = &error_fatal; 2055 qdev_prop_register_global(prop); 2056 } 2057 2058 if (ambiguous) { 2059 error_report("warning: Compatibility of ambiguous CPU model " 2060 "strings won't be kept on future QEMU versions"); 2061 } 2062 } 2063 2064 static void x86_cpu_load_features(X86CPU *cpu, Error **errp); 2065 static int x86_cpu_filter_features(X86CPU *cpu); 2066 2067 /* Check for missing features that may prevent the CPU class from 2068 * running using the current machine and accelerator. 2069 */ 2070 static void x86_cpu_class_check_missing_features(X86CPUClass *xcc, 2071 strList **missing_feats) 2072 { 2073 X86CPU *xc; 2074 FeatureWord w; 2075 Error *err = NULL; 2076 strList **next = missing_feats; 2077 2078 if (xcc->kvm_required && !kvm_enabled()) { 2079 strList *new = g_new0(strList, 1); 2080 new->value = g_strdup("kvm");; 2081 *missing_feats = new; 2082 return; 2083 } 2084 2085 xc = X86_CPU(object_new(object_class_get_name(OBJECT_CLASS(xcc)))); 2086 2087 x86_cpu_load_features(xc, &err); 2088 if (err) { 2089 /* Errors at x86_cpu_load_features should never happen, 2090 * but in case it does, just report the model as not 2091 * runnable at all using the "type" property. 2092 */ 2093 strList *new = g_new0(strList, 1); 2094 new->value = g_strdup("type"); 2095 *next = new; 2096 next = &new->next; 2097 } 2098 2099 x86_cpu_filter_features(xc); 2100 2101 for (w = 0; w < FEATURE_WORDS; w++) { 2102 uint32_t filtered = xc->filtered_features[w]; 2103 int i; 2104 for (i = 0; i < 32; i++) { 2105 if (filtered & (1UL << i)) { 2106 strList *new = g_new0(strList, 1); 2107 new->value = g_strdup(x86_cpu_feature_name(w, i)); 2108 *next = new; 2109 next = &new->next; 2110 } 2111 } 2112 } 2113 2114 object_unref(OBJECT(xc)); 2115 } 2116 2117 /* Print all cpuid feature names in featureset 2118 */ 2119 static void listflags(FILE *f, fprintf_function print, const char **featureset) 2120 { 2121 int bit; 2122 bool first = true; 2123 2124 for (bit = 0; bit < 32; bit++) { 2125 if (featureset[bit]) { 2126 print(f, "%s%s", first ? "" : " ", featureset[bit]); 2127 first = false; 2128 } 2129 } 2130 } 2131 2132 /* Sort alphabetically by type name, listing kvm_required models last. */ 2133 static gint x86_cpu_list_compare(gconstpointer a, gconstpointer b) 2134 { 2135 ObjectClass *class_a = (ObjectClass *)a; 2136 ObjectClass *class_b = (ObjectClass *)b; 2137 X86CPUClass *cc_a = X86_CPU_CLASS(class_a); 2138 X86CPUClass *cc_b = X86_CPU_CLASS(class_b); 2139 const char *name_a, *name_b; 2140 2141 if (cc_a->kvm_required != cc_b->kvm_required) { 2142 /* kvm_required items go last */ 2143 return cc_a->kvm_required ? 1 : -1; 2144 } else { 2145 name_a = object_class_get_name(class_a); 2146 name_b = object_class_get_name(class_b); 2147 return strcmp(name_a, name_b); 2148 } 2149 } 2150 2151 static GSList *get_sorted_cpu_model_list(void) 2152 { 2153 GSList *list = object_class_get_list(TYPE_X86_CPU, false); 2154 list = g_slist_sort(list, x86_cpu_list_compare); 2155 return list; 2156 } 2157 2158 static void x86_cpu_list_entry(gpointer data, gpointer user_data) 2159 { 2160 ObjectClass *oc = data; 2161 X86CPUClass *cc = X86_CPU_CLASS(oc); 2162 CPUListState *s = user_data; 2163 char *name = x86_cpu_class_get_model_name(cc); 2164 const char *desc = cc->model_description; 2165 if (!desc) { 2166 desc = cc->cpu_def->model_id; 2167 } 2168 2169 (*s->cpu_fprintf)(s->file, "x86 %16s %-48s\n", 2170 name, desc); 2171 g_free(name); 2172 } 2173 2174 /* list available CPU models and flags */ 2175 void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf) 2176 { 2177 int i; 2178 CPUListState s = { 2179 .file = f, 2180 .cpu_fprintf = cpu_fprintf, 2181 }; 2182 GSList *list; 2183 2184 (*cpu_fprintf)(f, "Available CPUs:\n"); 2185 list = get_sorted_cpu_model_list(); 2186 g_slist_foreach(list, x86_cpu_list_entry, &s); 2187 g_slist_free(list); 2188 2189 (*cpu_fprintf)(f, "\nRecognized CPUID flags:\n"); 2190 for (i = 0; i < ARRAY_SIZE(feature_word_info); i++) { 2191 FeatureWordInfo *fw = &feature_word_info[i]; 2192 2193 (*cpu_fprintf)(f, " "); 2194 listflags(f, cpu_fprintf, fw->feat_names); 2195 (*cpu_fprintf)(f, "\n"); 2196 } 2197 } 2198 2199 static void x86_cpu_definition_entry(gpointer data, gpointer user_data) 2200 { 2201 ObjectClass *oc = data; 2202 X86CPUClass *cc = X86_CPU_CLASS(oc); 2203 CpuDefinitionInfoList **cpu_list = user_data; 2204 CpuDefinitionInfoList *entry; 2205 CpuDefinitionInfo *info; 2206 2207 info = g_malloc0(sizeof(*info)); 2208 info->name = x86_cpu_class_get_model_name(cc); 2209 x86_cpu_class_check_missing_features(cc, &info->unavailable_features); 2210 info->has_unavailable_features = true; 2211 info->q_typename = g_strdup(object_class_get_name(oc)); 2212 info->migration_safe = cc->migration_safe; 2213 info->has_migration_safe = true; 2214 2215 entry = g_malloc0(sizeof(*entry)); 2216 entry->value = info; 2217 entry->next = *cpu_list; 2218 *cpu_list = entry; 2219 } 2220 2221 CpuDefinitionInfoList *arch_query_cpu_definitions(Error **errp) 2222 { 2223 CpuDefinitionInfoList *cpu_list = NULL; 2224 GSList *list = get_sorted_cpu_model_list(); 2225 g_slist_foreach(list, x86_cpu_definition_entry, &cpu_list); 2226 g_slist_free(list); 2227 return cpu_list; 2228 } 2229 2230 static uint32_t x86_cpu_get_supported_feature_word(FeatureWord w, 2231 bool migratable_only) 2232 { 2233 FeatureWordInfo *wi = &feature_word_info[w]; 2234 uint32_t r; 2235 2236 if (kvm_enabled()) { 2237 r = kvm_arch_get_supported_cpuid(kvm_state, wi->cpuid_eax, 2238 wi->cpuid_ecx, 2239 wi->cpuid_reg); 2240 } else if (tcg_enabled()) { 2241 r = wi->tcg_features; 2242 } else { 2243 return ~0; 2244 } 2245 if (migratable_only) { 2246 r &= x86_cpu_get_migratable_flags(w); 2247 } 2248 return r; 2249 } 2250 2251 /* 2252 * Filters CPU feature words based on host availability of each feature. 2253 * 2254 * Returns: 0 if all flags are supported by the host, non-zero otherwise. 2255 */ 2256 static int x86_cpu_filter_features(X86CPU *cpu) 2257 { 2258 CPUX86State *env = &cpu->env; 2259 FeatureWord w; 2260 int rv = 0; 2261 2262 for (w = 0; w < FEATURE_WORDS; w++) { 2263 uint32_t host_feat = 2264 x86_cpu_get_supported_feature_word(w, false); 2265 uint32_t requested_features = env->features[w]; 2266 env->features[w] &= host_feat; 2267 cpu->filtered_features[w] = requested_features & ~env->features[w]; 2268 if (cpu->filtered_features[w]) { 2269 rv = 1; 2270 } 2271 } 2272 2273 return rv; 2274 } 2275 2276 static void x86_cpu_report_filtered_features(X86CPU *cpu) 2277 { 2278 FeatureWord w; 2279 2280 for (w = 0; w < FEATURE_WORDS; w++) { 2281 report_unavailable_features(w, cpu->filtered_features[w]); 2282 } 2283 } 2284 2285 static void x86_cpu_apply_props(X86CPU *cpu, PropValue *props) 2286 { 2287 PropValue *pv; 2288 for (pv = props; pv->prop; pv++) { 2289 if (!pv->value) { 2290 continue; 2291 } 2292 object_property_parse(OBJECT(cpu), pv->value, pv->prop, 2293 &error_abort); 2294 } 2295 } 2296 2297 /* Load data from X86CPUDefinition 2298 */ 2299 static void x86_cpu_load_def(X86CPU *cpu, X86CPUDefinition *def, Error **errp) 2300 { 2301 CPUX86State *env = &cpu->env; 2302 const char *vendor; 2303 char host_vendor[CPUID_VENDOR_SZ + 1]; 2304 FeatureWord w; 2305 2306 /* CPU models only set _minimum_ values for level/xlevel: */ 2307 object_property_set_int(OBJECT(cpu), def->level, "min-level", errp); 2308 object_property_set_int(OBJECT(cpu), def->xlevel, "min-xlevel", errp); 2309 2310 object_property_set_int(OBJECT(cpu), def->family, "family", errp); 2311 object_property_set_int(OBJECT(cpu), def->model, "model", errp); 2312 object_property_set_int(OBJECT(cpu), def->stepping, "stepping", errp); 2313 object_property_set_str(OBJECT(cpu), def->model_id, "model-id", errp); 2314 for (w = 0; w < FEATURE_WORDS; w++) { 2315 env->features[w] = def->features[w]; 2316 } 2317 2318 /* Special cases not set in the X86CPUDefinition structs: */ 2319 if (kvm_enabled()) { 2320 if (!kvm_irqchip_in_kernel()) { 2321 x86_cpu_change_kvm_default("x2apic", "off"); 2322 } 2323 2324 x86_cpu_apply_props(cpu, kvm_default_props); 2325 } else if (tcg_enabled()) { 2326 x86_cpu_apply_props(cpu, tcg_default_props); 2327 } 2328 2329 env->features[FEAT_1_ECX] |= CPUID_EXT_HYPERVISOR; 2330 2331 /* sysenter isn't supported in compatibility mode on AMD, 2332 * syscall isn't supported in compatibility mode on Intel. 2333 * Normally we advertise the actual CPU vendor, but you can 2334 * override this using the 'vendor' property if you want to use 2335 * KVM's sysenter/syscall emulation in compatibility mode and 2336 * when doing cross vendor migration 2337 */ 2338 vendor = def->vendor; 2339 if (kvm_enabled()) { 2340 uint32_t ebx = 0, ecx = 0, edx = 0; 2341 host_cpuid(0, 0, NULL, &ebx, &ecx, &edx); 2342 x86_cpu_vendor_words2str(host_vendor, ebx, edx, ecx); 2343 vendor = host_vendor; 2344 } 2345 2346 object_property_set_str(OBJECT(cpu), vendor, "vendor", errp); 2347 2348 } 2349 2350 X86CPU *cpu_x86_init(const char *cpu_model) 2351 { 2352 return X86_CPU(cpu_generic_init(TYPE_X86_CPU, cpu_model)); 2353 } 2354 2355 static void x86_cpu_cpudef_class_init(ObjectClass *oc, void *data) 2356 { 2357 X86CPUDefinition *cpudef = data; 2358 X86CPUClass *xcc = X86_CPU_CLASS(oc); 2359 2360 xcc->cpu_def = cpudef; 2361 xcc->migration_safe = true; 2362 } 2363 2364 static void x86_register_cpudef_type(X86CPUDefinition *def) 2365 { 2366 char *typename = x86_cpu_type_name(def->name); 2367 TypeInfo ti = { 2368 .name = typename, 2369 .parent = TYPE_X86_CPU, 2370 .class_init = x86_cpu_cpudef_class_init, 2371 .class_data = def, 2372 }; 2373 2374 /* AMD aliases are handled at runtime based on CPUID vendor, so 2375 * they shouldn't be set on the CPU model table. 2376 */ 2377 assert(!(def->features[FEAT_8000_0001_EDX] & CPUID_EXT2_AMD_ALIASES)); 2378 2379 type_register(&ti); 2380 g_free(typename); 2381 } 2382 2383 #if !defined(CONFIG_USER_ONLY) 2384 2385 void cpu_clear_apic_feature(CPUX86State *env) 2386 { 2387 env->features[FEAT_1_EDX] &= ~CPUID_APIC; 2388 } 2389 2390 #endif /* !CONFIG_USER_ONLY */ 2391 2392 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, 2393 uint32_t *eax, uint32_t *ebx, 2394 uint32_t *ecx, uint32_t *edx) 2395 { 2396 X86CPU *cpu = x86_env_get_cpu(env); 2397 CPUState *cs = CPU(cpu); 2398 uint32_t pkg_offset; 2399 2400 /* test if maximum index reached */ 2401 if (index & 0x80000000) { 2402 if (index > env->cpuid_xlevel) { 2403 if (env->cpuid_xlevel2 > 0) { 2404 /* Handle the Centaur's CPUID instruction. */ 2405 if (index > env->cpuid_xlevel2) { 2406 index = env->cpuid_xlevel2; 2407 } else if (index < 0xC0000000) { 2408 index = env->cpuid_xlevel; 2409 } 2410 } else { 2411 /* Intel documentation states that invalid EAX input will 2412 * return the same information as EAX=cpuid_level 2413 * (Intel SDM Vol. 2A - Instruction Set Reference - CPUID) 2414 */ 2415 index = env->cpuid_level; 2416 } 2417 } 2418 } else { 2419 if (index > env->cpuid_level) 2420 index = env->cpuid_level; 2421 } 2422 2423 switch(index) { 2424 case 0: 2425 *eax = env->cpuid_level; 2426 *ebx = env->cpuid_vendor1; 2427 *edx = env->cpuid_vendor2; 2428 *ecx = env->cpuid_vendor3; 2429 break; 2430 case 1: 2431 *eax = env->cpuid_version; 2432 *ebx = (cpu->apic_id << 24) | 2433 8 << 8; /* CLFLUSH size in quad words, Linux wants it. */ 2434 *ecx = env->features[FEAT_1_ECX]; 2435 if ((*ecx & CPUID_EXT_XSAVE) && (env->cr[4] & CR4_OSXSAVE_MASK)) { 2436 *ecx |= CPUID_EXT_OSXSAVE; 2437 } 2438 *edx = env->features[FEAT_1_EDX]; 2439 if (cs->nr_cores * cs->nr_threads > 1) { 2440 *ebx |= (cs->nr_cores * cs->nr_threads) << 16; 2441 *edx |= CPUID_HT; 2442 } 2443 break; 2444 case 2: 2445 /* cache info: needed for Pentium Pro compatibility */ 2446 if (cpu->cache_info_passthrough) { 2447 host_cpuid(index, 0, eax, ebx, ecx, edx); 2448 break; 2449 } 2450 *eax = 1; /* Number of CPUID[EAX=2] calls required */ 2451 *ebx = 0; 2452 if (!cpu->enable_l3_cache) { 2453 *ecx = 0; 2454 } else { 2455 *ecx = L3_N_DESCRIPTOR; 2456 } 2457 *edx = (L1D_DESCRIPTOR << 16) | \ 2458 (L1I_DESCRIPTOR << 8) | \ 2459 (L2_DESCRIPTOR); 2460 break; 2461 case 4: 2462 /* cache info: needed for Core compatibility */ 2463 if (cpu->cache_info_passthrough) { 2464 host_cpuid(index, count, eax, ebx, ecx, edx); 2465 *eax &= ~0xFC000000; 2466 } else { 2467 *eax = 0; 2468 switch (count) { 2469 case 0: /* L1 dcache info */ 2470 *eax |= CPUID_4_TYPE_DCACHE | \ 2471 CPUID_4_LEVEL(1) | \ 2472 CPUID_4_SELF_INIT_LEVEL; 2473 *ebx = (L1D_LINE_SIZE - 1) | \ 2474 ((L1D_PARTITIONS - 1) << 12) | \ 2475 ((L1D_ASSOCIATIVITY - 1) << 22); 2476 *ecx = L1D_SETS - 1; 2477 *edx = CPUID_4_NO_INVD_SHARING; 2478 break; 2479 case 1: /* L1 icache info */ 2480 *eax |= CPUID_4_TYPE_ICACHE | \ 2481 CPUID_4_LEVEL(1) | \ 2482 CPUID_4_SELF_INIT_LEVEL; 2483 *ebx = (L1I_LINE_SIZE - 1) | \ 2484 ((L1I_PARTITIONS - 1) << 12) | \ 2485 ((L1I_ASSOCIATIVITY - 1) << 22); 2486 *ecx = L1I_SETS - 1; 2487 *edx = CPUID_4_NO_INVD_SHARING; 2488 break; 2489 case 2: /* L2 cache info */ 2490 *eax |= CPUID_4_TYPE_UNIFIED | \ 2491 CPUID_4_LEVEL(2) | \ 2492 CPUID_4_SELF_INIT_LEVEL; 2493 if (cs->nr_threads > 1) { 2494 *eax |= (cs->nr_threads - 1) << 14; 2495 } 2496 *ebx = (L2_LINE_SIZE - 1) | \ 2497 ((L2_PARTITIONS - 1) << 12) | \ 2498 ((L2_ASSOCIATIVITY - 1) << 22); 2499 *ecx = L2_SETS - 1; 2500 *edx = CPUID_4_NO_INVD_SHARING; 2501 break; 2502 case 3: /* L3 cache info */ 2503 if (!cpu->enable_l3_cache) { 2504 *eax = 0; 2505 *ebx = 0; 2506 *ecx = 0; 2507 *edx = 0; 2508 break; 2509 } 2510 *eax |= CPUID_4_TYPE_UNIFIED | \ 2511 CPUID_4_LEVEL(3) | \ 2512 CPUID_4_SELF_INIT_LEVEL; 2513 pkg_offset = apicid_pkg_offset(cs->nr_cores, cs->nr_threads); 2514 *eax |= ((1 << pkg_offset) - 1) << 14; 2515 *ebx = (L3_N_LINE_SIZE - 1) | \ 2516 ((L3_N_PARTITIONS - 1) << 12) | \ 2517 ((L3_N_ASSOCIATIVITY - 1) << 22); 2518 *ecx = L3_N_SETS - 1; 2519 *edx = CPUID_4_INCLUSIVE | CPUID_4_COMPLEX_IDX; 2520 break; 2521 default: /* end of info */ 2522 *eax = 0; 2523 *ebx = 0; 2524 *ecx = 0; 2525 *edx = 0; 2526 break; 2527 } 2528 } 2529 2530 /* QEMU gives out its own APIC IDs, never pass down bits 31..26. */ 2531 if ((*eax & 31) && cs->nr_cores > 1) { 2532 *eax |= (cs->nr_cores - 1) << 26; 2533 } 2534 break; 2535 case 5: 2536 /* mwait info: needed for Core compatibility */ 2537 *eax = 0; /* Smallest monitor-line size in bytes */ 2538 *ebx = 0; /* Largest monitor-line size in bytes */ 2539 *ecx = CPUID_MWAIT_EMX | CPUID_MWAIT_IBE; 2540 *edx = 0; 2541 break; 2542 case 6: 2543 /* Thermal and Power Leaf */ 2544 *eax = env->features[FEAT_6_EAX]; 2545 *ebx = 0; 2546 *ecx = 0; 2547 *edx = 0; 2548 break; 2549 case 7: 2550 /* Structured Extended Feature Flags Enumeration Leaf */ 2551 if (count == 0) { 2552 *eax = 0; /* Maximum ECX value for sub-leaves */ 2553 *ebx = env->features[FEAT_7_0_EBX]; /* Feature flags */ 2554 *ecx = env->features[FEAT_7_0_ECX]; /* Feature flags */ 2555 if ((*ecx & CPUID_7_0_ECX_PKU) && env->cr[4] & CR4_PKE_MASK) { 2556 *ecx |= CPUID_7_0_ECX_OSPKE; 2557 } 2558 *edx = env->features[FEAT_7_0_EDX]; /* Feature flags */ 2559 } else { 2560 *eax = 0; 2561 *ebx = 0; 2562 *ecx = 0; 2563 *edx = 0; 2564 } 2565 break; 2566 case 9: 2567 /* Direct Cache Access Information Leaf */ 2568 *eax = 0; /* Bits 0-31 in DCA_CAP MSR */ 2569 *ebx = 0; 2570 *ecx = 0; 2571 *edx = 0; 2572 break; 2573 case 0xA: 2574 /* Architectural Performance Monitoring Leaf */ 2575 if (kvm_enabled() && cpu->enable_pmu) { 2576 KVMState *s = cs->kvm_state; 2577 2578 *eax = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EAX); 2579 *ebx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EBX); 2580 *ecx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_ECX); 2581 *edx = kvm_arch_get_supported_cpuid(s, 0xA, count, R_EDX); 2582 } else { 2583 *eax = 0; 2584 *ebx = 0; 2585 *ecx = 0; 2586 *edx = 0; 2587 } 2588 break; 2589 case 0xB: 2590 /* Extended Topology Enumeration Leaf */ 2591 if (!cpu->enable_cpuid_0xb) { 2592 *eax = *ebx = *ecx = *edx = 0; 2593 break; 2594 } 2595 2596 *ecx = count & 0xff; 2597 *edx = cpu->apic_id; 2598 2599 switch (count) { 2600 case 0: 2601 *eax = apicid_core_offset(cs->nr_cores, cs->nr_threads); 2602 *ebx = cs->nr_threads; 2603 *ecx |= CPUID_TOPOLOGY_LEVEL_SMT; 2604 break; 2605 case 1: 2606 *eax = apicid_pkg_offset(cs->nr_cores, cs->nr_threads); 2607 *ebx = cs->nr_cores * cs->nr_threads; 2608 *ecx |= CPUID_TOPOLOGY_LEVEL_CORE; 2609 break; 2610 default: 2611 *eax = 0; 2612 *ebx = 0; 2613 *ecx |= CPUID_TOPOLOGY_LEVEL_INVALID; 2614 } 2615 2616 assert(!(*eax & ~0x1f)); 2617 *ebx &= 0xffff; /* The count doesn't need to be reliable. */ 2618 break; 2619 case 0xD: { 2620 /* Processor Extended State */ 2621 *eax = 0; 2622 *ebx = 0; 2623 *ecx = 0; 2624 *edx = 0; 2625 if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE)) { 2626 break; 2627 } 2628 2629 if (count == 0) { 2630 *ecx = xsave_area_size(x86_cpu_xsave_components(cpu)); 2631 *eax = env->features[FEAT_XSAVE_COMP_LO]; 2632 *edx = env->features[FEAT_XSAVE_COMP_HI]; 2633 *ebx = *ecx; 2634 } else if (count == 1) { 2635 *eax = env->features[FEAT_XSAVE]; 2636 } else if (count < ARRAY_SIZE(x86_ext_save_areas)) { 2637 if ((x86_cpu_xsave_components(cpu) >> count) & 1) { 2638 const ExtSaveArea *esa = &x86_ext_save_areas[count]; 2639 *eax = esa->size; 2640 *ebx = esa->offset; 2641 } 2642 } 2643 break; 2644 } 2645 case 0x80000000: 2646 *eax = env->cpuid_xlevel; 2647 *ebx = env->cpuid_vendor1; 2648 *edx = env->cpuid_vendor2; 2649 *ecx = env->cpuid_vendor3; 2650 break; 2651 case 0x80000001: 2652 *eax = env->cpuid_version; 2653 *ebx = 0; 2654 *ecx = env->features[FEAT_8000_0001_ECX]; 2655 *edx = env->features[FEAT_8000_0001_EDX]; 2656 2657 /* The Linux kernel checks for the CMPLegacy bit and 2658 * discards multiple thread information if it is set. 2659 * So don't set it here for Intel to make Linux guests happy. 2660 */ 2661 if (cs->nr_cores * cs->nr_threads > 1) { 2662 if (env->cpuid_vendor1 != CPUID_VENDOR_INTEL_1 || 2663 env->cpuid_vendor2 != CPUID_VENDOR_INTEL_2 || 2664 env->cpuid_vendor3 != CPUID_VENDOR_INTEL_3) { 2665 *ecx |= 1 << 1; /* CmpLegacy bit */ 2666 } 2667 } 2668 break; 2669 case 0x80000002: 2670 case 0x80000003: 2671 case 0x80000004: 2672 *eax = env->cpuid_model[(index - 0x80000002) * 4 + 0]; 2673 *ebx = env->cpuid_model[(index - 0x80000002) * 4 + 1]; 2674 *ecx = env->cpuid_model[(index - 0x80000002) * 4 + 2]; 2675 *edx = env->cpuid_model[(index - 0x80000002) * 4 + 3]; 2676 break; 2677 case 0x80000005: 2678 /* cache info (L1 cache) */ 2679 if (cpu->cache_info_passthrough) { 2680 host_cpuid(index, 0, eax, ebx, ecx, edx); 2681 break; 2682 } 2683 *eax = (L1_DTLB_2M_ASSOC << 24) | (L1_DTLB_2M_ENTRIES << 16) | \ 2684 (L1_ITLB_2M_ASSOC << 8) | (L1_ITLB_2M_ENTRIES); 2685 *ebx = (L1_DTLB_4K_ASSOC << 24) | (L1_DTLB_4K_ENTRIES << 16) | \ 2686 (L1_ITLB_4K_ASSOC << 8) | (L1_ITLB_4K_ENTRIES); 2687 *ecx = (L1D_SIZE_KB_AMD << 24) | (L1D_ASSOCIATIVITY_AMD << 16) | \ 2688 (L1D_LINES_PER_TAG << 8) | (L1D_LINE_SIZE); 2689 *edx = (L1I_SIZE_KB_AMD << 24) | (L1I_ASSOCIATIVITY_AMD << 16) | \ 2690 (L1I_LINES_PER_TAG << 8) | (L1I_LINE_SIZE); 2691 break; 2692 case 0x80000006: 2693 /* cache info (L2 cache) */ 2694 if (cpu->cache_info_passthrough) { 2695 host_cpuid(index, 0, eax, ebx, ecx, edx); 2696 break; 2697 } 2698 *eax = (AMD_ENC_ASSOC(L2_DTLB_2M_ASSOC) << 28) | \ 2699 (L2_DTLB_2M_ENTRIES << 16) | \ 2700 (AMD_ENC_ASSOC(L2_ITLB_2M_ASSOC) << 12) | \ 2701 (L2_ITLB_2M_ENTRIES); 2702 *ebx = (AMD_ENC_ASSOC(L2_DTLB_4K_ASSOC) << 28) | \ 2703 (L2_DTLB_4K_ENTRIES << 16) | \ 2704 (AMD_ENC_ASSOC(L2_ITLB_4K_ASSOC) << 12) | \ 2705 (L2_ITLB_4K_ENTRIES); 2706 *ecx = (L2_SIZE_KB_AMD << 16) | \ 2707 (AMD_ENC_ASSOC(L2_ASSOCIATIVITY) << 12) | \ 2708 (L2_LINES_PER_TAG << 8) | (L2_LINE_SIZE); 2709 if (!cpu->enable_l3_cache) { 2710 *edx = ((L3_SIZE_KB / 512) << 18) | \ 2711 (AMD_ENC_ASSOC(L3_ASSOCIATIVITY) << 12) | \ 2712 (L3_LINES_PER_TAG << 8) | (L3_LINE_SIZE); 2713 } else { 2714 *edx = ((L3_N_SIZE_KB_AMD / 512) << 18) | \ 2715 (AMD_ENC_ASSOC(L3_N_ASSOCIATIVITY) << 12) | \ 2716 (L3_N_LINES_PER_TAG << 8) | (L3_N_LINE_SIZE); 2717 } 2718 break; 2719 case 0x80000007: 2720 *eax = 0; 2721 *ebx = 0; 2722 *ecx = 0; 2723 *edx = env->features[FEAT_8000_0007_EDX]; 2724 break; 2725 case 0x80000008: 2726 /* virtual & phys address size in low 2 bytes. */ 2727 if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) { 2728 /* 64 bit processor */ 2729 *eax = cpu->phys_bits; /* configurable physical bits */ 2730 if (env->features[FEAT_7_0_ECX] & CPUID_7_0_ECX_LA57) { 2731 *eax |= 0x00003900; /* 57 bits virtual */ 2732 } else { 2733 *eax |= 0x00003000; /* 48 bits virtual */ 2734 } 2735 } else { 2736 *eax = cpu->phys_bits; 2737 } 2738 *ebx = 0; 2739 *ecx = 0; 2740 *edx = 0; 2741 if (cs->nr_cores * cs->nr_threads > 1) { 2742 *ecx |= (cs->nr_cores * cs->nr_threads) - 1; 2743 } 2744 break; 2745 case 0x8000000A: 2746 if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) { 2747 *eax = 0x00000001; /* SVM Revision */ 2748 *ebx = 0x00000010; /* nr of ASIDs */ 2749 *ecx = 0; 2750 *edx = env->features[FEAT_SVM]; /* optional features */ 2751 } else { 2752 *eax = 0; 2753 *ebx = 0; 2754 *ecx = 0; 2755 *edx = 0; 2756 } 2757 break; 2758 case 0xC0000000: 2759 *eax = env->cpuid_xlevel2; 2760 *ebx = 0; 2761 *ecx = 0; 2762 *edx = 0; 2763 break; 2764 case 0xC0000001: 2765 /* Support for VIA CPU's CPUID instruction */ 2766 *eax = env->cpuid_version; 2767 *ebx = 0; 2768 *ecx = 0; 2769 *edx = env->features[FEAT_C000_0001_EDX]; 2770 break; 2771 case 0xC0000002: 2772 case 0xC0000003: 2773 case 0xC0000004: 2774 /* Reserved for the future, and now filled with zero */ 2775 *eax = 0; 2776 *ebx = 0; 2777 *ecx = 0; 2778 *edx = 0; 2779 break; 2780 default: 2781 /* reserved values: zero */ 2782 *eax = 0; 2783 *ebx = 0; 2784 *ecx = 0; 2785 *edx = 0; 2786 break; 2787 } 2788 } 2789 2790 /* CPUClass::reset() */ 2791 static void x86_cpu_reset(CPUState *s) 2792 { 2793 X86CPU *cpu = X86_CPU(s); 2794 X86CPUClass *xcc = X86_CPU_GET_CLASS(cpu); 2795 CPUX86State *env = &cpu->env; 2796 target_ulong cr4; 2797 uint64_t xcr0; 2798 int i; 2799 2800 xcc->parent_reset(s); 2801 2802 memset(env, 0, offsetof(CPUX86State, end_reset_fields)); 2803 2804 env->old_exception = -1; 2805 2806 /* init to reset state */ 2807 2808 env->hflags2 |= HF2_GIF_MASK; 2809 2810 cpu_x86_update_cr0(env, 0x60000010); 2811 env->a20_mask = ~0x0; 2812 env->smbase = 0x30000; 2813 2814 env->idt.limit = 0xffff; 2815 env->gdt.limit = 0xffff; 2816 env->ldt.limit = 0xffff; 2817 env->ldt.flags = DESC_P_MASK | (2 << DESC_TYPE_SHIFT); 2818 env->tr.limit = 0xffff; 2819 env->tr.flags = DESC_P_MASK | (11 << DESC_TYPE_SHIFT); 2820 2821 cpu_x86_load_seg_cache(env, R_CS, 0xf000, 0xffff0000, 0xffff, 2822 DESC_P_MASK | DESC_S_MASK | DESC_CS_MASK | 2823 DESC_R_MASK | DESC_A_MASK); 2824 cpu_x86_load_seg_cache(env, R_DS, 0, 0, 0xffff, 2825 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | 2826 DESC_A_MASK); 2827 cpu_x86_load_seg_cache(env, R_ES, 0, 0, 0xffff, 2828 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | 2829 DESC_A_MASK); 2830 cpu_x86_load_seg_cache(env, R_SS, 0, 0, 0xffff, 2831 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | 2832 DESC_A_MASK); 2833 cpu_x86_load_seg_cache(env, R_FS, 0, 0, 0xffff, 2834 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | 2835 DESC_A_MASK); 2836 cpu_x86_load_seg_cache(env, R_GS, 0, 0, 0xffff, 2837 DESC_P_MASK | DESC_S_MASK | DESC_W_MASK | 2838 DESC_A_MASK); 2839 2840 env->eip = 0xfff0; 2841 env->regs[R_EDX] = env->cpuid_version; 2842 2843 env->eflags = 0x2; 2844 2845 /* FPU init */ 2846 for (i = 0; i < 8; i++) { 2847 env->fptags[i] = 1; 2848 } 2849 cpu_set_fpuc(env, 0x37f); 2850 2851 env->mxcsr = 0x1f80; 2852 /* All units are in INIT state. */ 2853 env->xstate_bv = 0; 2854 2855 env->pat = 0x0007040600070406ULL; 2856 env->msr_ia32_misc_enable = MSR_IA32_MISC_ENABLE_DEFAULT; 2857 2858 memset(env->dr, 0, sizeof(env->dr)); 2859 env->dr[6] = DR6_FIXED_1; 2860 env->dr[7] = DR7_FIXED_1; 2861 cpu_breakpoint_remove_all(s, BP_CPU); 2862 cpu_watchpoint_remove_all(s, BP_CPU); 2863 2864 cr4 = 0; 2865 xcr0 = XSTATE_FP_MASK; 2866 2867 #ifdef CONFIG_USER_ONLY 2868 /* Enable all the features for user-mode. */ 2869 if (env->features[FEAT_1_EDX] & CPUID_SSE) { 2870 xcr0 |= XSTATE_SSE_MASK; 2871 } 2872 for (i = 2; i < ARRAY_SIZE(x86_ext_save_areas); i++) { 2873 const ExtSaveArea *esa = &x86_ext_save_areas[i]; 2874 if (env->features[esa->feature] & esa->bits) { 2875 xcr0 |= 1ull << i; 2876 } 2877 } 2878 2879 if (env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE) { 2880 cr4 |= CR4_OSFXSR_MASK | CR4_OSXSAVE_MASK; 2881 } 2882 if (env->features[FEAT_7_0_EBX] & CPUID_7_0_EBX_FSGSBASE) { 2883 cr4 |= CR4_FSGSBASE_MASK; 2884 } 2885 #endif 2886 2887 env->xcr0 = xcr0; 2888 cpu_x86_update_cr4(env, cr4); 2889 2890 /* 2891 * SDM 11.11.5 requires: 2892 * - IA32_MTRR_DEF_TYPE MSR.E = 0 2893 * - IA32_MTRR_PHYSMASKn.V = 0 2894 * All other bits are undefined. For simplification, zero it all. 2895 */ 2896 env->mtrr_deftype = 0; 2897 memset(env->mtrr_var, 0, sizeof(env->mtrr_var)); 2898 memset(env->mtrr_fixed, 0, sizeof(env->mtrr_fixed)); 2899 2900 #if !defined(CONFIG_USER_ONLY) 2901 /* We hard-wire the BSP to the first CPU. */ 2902 apic_designate_bsp(cpu->apic_state, s->cpu_index == 0); 2903 2904 s->halted = !cpu_is_bsp(cpu); 2905 2906 if (kvm_enabled()) { 2907 kvm_arch_reset_vcpu(cpu); 2908 } 2909 #endif 2910 } 2911 2912 #ifndef CONFIG_USER_ONLY 2913 bool cpu_is_bsp(X86CPU *cpu) 2914 { 2915 return cpu_get_apic_base(cpu->apic_state) & MSR_IA32_APICBASE_BSP; 2916 } 2917 2918 /* TODO: remove me, when reset over QOM tree is implemented */ 2919 static void x86_cpu_machine_reset_cb(void *opaque) 2920 { 2921 X86CPU *cpu = opaque; 2922 cpu_reset(CPU(cpu)); 2923 } 2924 #endif 2925 2926 static void mce_init(X86CPU *cpu) 2927 { 2928 CPUX86State *cenv = &cpu->env; 2929 unsigned int bank; 2930 2931 if (((cenv->cpuid_version >> 8) & 0xf) >= 6 2932 && (cenv->features[FEAT_1_EDX] & (CPUID_MCE | CPUID_MCA)) == 2933 (CPUID_MCE | CPUID_MCA)) { 2934 cenv->mcg_cap = MCE_CAP_DEF | MCE_BANKS_DEF | 2935 (cpu->enable_lmce ? MCG_LMCE_P : 0); 2936 cenv->mcg_ctl = ~(uint64_t)0; 2937 for (bank = 0; bank < MCE_BANKS_DEF; bank++) { 2938 cenv->mce_banks[bank * 4] = ~(uint64_t)0; 2939 } 2940 } 2941 } 2942 2943 #ifndef CONFIG_USER_ONLY 2944 APICCommonClass *apic_get_class(void) 2945 { 2946 const char *apic_type = "apic"; 2947 2948 if (kvm_apic_in_kernel()) { 2949 apic_type = "kvm-apic"; 2950 } else if (xen_enabled()) { 2951 apic_type = "xen-apic"; 2952 } 2953 2954 return APIC_COMMON_CLASS(object_class_by_name(apic_type)); 2955 } 2956 2957 static void x86_cpu_apic_create(X86CPU *cpu, Error **errp) 2958 { 2959 APICCommonState *apic; 2960 ObjectClass *apic_class = OBJECT_CLASS(apic_get_class()); 2961 2962 cpu->apic_state = DEVICE(object_new(object_class_get_name(apic_class))); 2963 2964 object_property_add_child(OBJECT(cpu), "lapic", 2965 OBJECT(cpu->apic_state), &error_abort); 2966 object_unref(OBJECT(cpu->apic_state)); 2967 2968 qdev_prop_set_uint32(cpu->apic_state, "id", cpu->apic_id); 2969 /* TODO: convert to link<> */ 2970 apic = APIC_COMMON(cpu->apic_state); 2971 apic->cpu = cpu; 2972 apic->apicbase = APIC_DEFAULT_ADDRESS | MSR_IA32_APICBASE_ENABLE; 2973 } 2974 2975 static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp) 2976 { 2977 APICCommonState *apic; 2978 static bool apic_mmio_map_once; 2979 2980 if (cpu->apic_state == NULL) { 2981 return; 2982 } 2983 object_property_set_bool(OBJECT(cpu->apic_state), true, "realized", 2984 errp); 2985 2986 /* Map APIC MMIO area */ 2987 apic = APIC_COMMON(cpu->apic_state); 2988 if (!apic_mmio_map_once) { 2989 memory_region_add_subregion_overlap(get_system_memory(), 2990 apic->apicbase & 2991 MSR_IA32_APICBASE_BASE, 2992 &apic->io_memory, 2993 0x1000); 2994 apic_mmio_map_once = true; 2995 } 2996 } 2997 2998 static void x86_cpu_machine_done(Notifier *n, void *unused) 2999 { 3000 X86CPU *cpu = container_of(n, X86CPU, machine_done); 3001 MemoryRegion *smram = 3002 (MemoryRegion *) object_resolve_path("/machine/smram", NULL); 3003 3004 if (smram) { 3005 cpu->smram = g_new(MemoryRegion, 1); 3006 memory_region_init_alias(cpu->smram, OBJECT(cpu), "smram", 3007 smram, 0, 1ull << 32); 3008 memory_region_set_enabled(cpu->smram, false); 3009 memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->smram, 1); 3010 } 3011 } 3012 #else 3013 static void x86_cpu_apic_realize(X86CPU *cpu, Error **errp) 3014 { 3015 } 3016 #endif 3017 3018 /* Note: Only safe for use on x86(-64) hosts */ 3019 static uint32_t x86_host_phys_bits(void) 3020 { 3021 uint32_t eax; 3022 uint32_t host_phys_bits; 3023 3024 host_cpuid(0x80000000, 0, &eax, NULL, NULL, NULL); 3025 if (eax >= 0x80000008) { 3026 host_cpuid(0x80000008, 0, &eax, NULL, NULL, NULL); 3027 /* Note: According to AMD doc 25481 rev 2.34 they have a field 3028 * at 23:16 that can specify a maximum physical address bits for 3029 * the guest that can override this value; but I've not seen 3030 * anything with that set. 3031 */ 3032 host_phys_bits = eax & 0xff; 3033 } else { 3034 /* It's an odd 64 bit machine that doesn't have the leaf for 3035 * physical address bits; fall back to 36 that's most older 3036 * Intel. 3037 */ 3038 host_phys_bits = 36; 3039 } 3040 3041 return host_phys_bits; 3042 } 3043 3044 static void x86_cpu_adjust_level(X86CPU *cpu, uint32_t *min, uint32_t value) 3045 { 3046 if (*min < value) { 3047 *min = value; 3048 } 3049 } 3050 3051 /* Increase cpuid_min_{level,xlevel,xlevel2} automatically, if appropriate */ 3052 static void x86_cpu_adjust_feat_level(X86CPU *cpu, FeatureWord w) 3053 { 3054 CPUX86State *env = &cpu->env; 3055 FeatureWordInfo *fi = &feature_word_info[w]; 3056 uint32_t eax = fi->cpuid_eax; 3057 uint32_t region = eax & 0xF0000000; 3058 3059 if (!env->features[w]) { 3060 return; 3061 } 3062 3063 switch (region) { 3064 case 0x00000000: 3065 x86_cpu_adjust_level(cpu, &env->cpuid_min_level, eax); 3066 break; 3067 case 0x80000000: 3068 x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, eax); 3069 break; 3070 case 0xC0000000: 3071 x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel2, eax); 3072 break; 3073 } 3074 } 3075 3076 /* Calculate XSAVE components based on the configured CPU feature flags */ 3077 static void x86_cpu_enable_xsave_components(X86CPU *cpu) 3078 { 3079 CPUX86State *env = &cpu->env; 3080 int i; 3081 uint64_t mask; 3082 3083 if (!(env->features[FEAT_1_ECX] & CPUID_EXT_XSAVE)) { 3084 return; 3085 } 3086 3087 mask = 0; 3088 for (i = 0; i < ARRAY_SIZE(x86_ext_save_areas); i++) { 3089 const ExtSaveArea *esa = &x86_ext_save_areas[i]; 3090 if (env->features[esa->feature] & esa->bits) { 3091 mask |= (1ULL << i); 3092 } 3093 } 3094 3095 env->features[FEAT_XSAVE_COMP_LO] = mask; 3096 env->features[FEAT_XSAVE_COMP_HI] = mask >> 32; 3097 } 3098 3099 /* Load CPUID data based on configured features */ 3100 static void x86_cpu_load_features(X86CPU *cpu, Error **errp) 3101 { 3102 CPUX86State *env = &cpu->env; 3103 FeatureWord w; 3104 GList *l; 3105 Error *local_err = NULL; 3106 3107 /*TODO: cpu->host_features incorrectly overwrites features 3108 * set using "feat=on|off". Once we fix this, we can convert 3109 * plus_features & minus_features to global properties 3110 * inside x86_cpu_parse_featurestr() too. 3111 */ 3112 if (cpu->host_features) { 3113 for (w = 0; w < FEATURE_WORDS; w++) { 3114 env->features[w] = 3115 x86_cpu_get_supported_feature_word(w, cpu->migratable); 3116 } 3117 } 3118 3119 for (l = plus_features; l; l = l->next) { 3120 const char *prop = l->data; 3121 object_property_set_bool(OBJECT(cpu), true, prop, &local_err); 3122 if (local_err) { 3123 goto out; 3124 } 3125 } 3126 3127 for (l = minus_features; l; l = l->next) { 3128 const char *prop = l->data; 3129 object_property_set_bool(OBJECT(cpu), false, prop, &local_err); 3130 if (local_err) { 3131 goto out; 3132 } 3133 } 3134 3135 if (!kvm_enabled() || !cpu->expose_kvm) { 3136 env->features[FEAT_KVM] = 0; 3137 } 3138 3139 x86_cpu_enable_xsave_components(cpu); 3140 3141 /* CPUID[EAX=7,ECX=0].EBX always increased level automatically: */ 3142 x86_cpu_adjust_feat_level(cpu, FEAT_7_0_EBX); 3143 if (cpu->full_cpuid_auto_level) { 3144 x86_cpu_adjust_feat_level(cpu, FEAT_1_EDX); 3145 x86_cpu_adjust_feat_level(cpu, FEAT_1_ECX); 3146 x86_cpu_adjust_feat_level(cpu, FEAT_6_EAX); 3147 x86_cpu_adjust_feat_level(cpu, FEAT_7_0_ECX); 3148 x86_cpu_adjust_feat_level(cpu, FEAT_8000_0001_EDX); 3149 x86_cpu_adjust_feat_level(cpu, FEAT_8000_0001_ECX); 3150 x86_cpu_adjust_feat_level(cpu, FEAT_8000_0007_EDX); 3151 x86_cpu_adjust_feat_level(cpu, FEAT_C000_0001_EDX); 3152 x86_cpu_adjust_feat_level(cpu, FEAT_SVM); 3153 x86_cpu_adjust_feat_level(cpu, FEAT_XSAVE); 3154 /* SVM requires CPUID[0x8000000A] */ 3155 if (env->features[FEAT_8000_0001_ECX] & CPUID_EXT3_SVM) { 3156 x86_cpu_adjust_level(cpu, &env->cpuid_min_xlevel, 0x8000000A); 3157 } 3158 } 3159 3160 /* Set cpuid_*level* based on cpuid_min_*level, if not explicitly set */ 3161 if (env->cpuid_level == UINT32_MAX) { 3162 env->cpuid_level = env->cpuid_min_level; 3163 } 3164 if (env->cpuid_xlevel == UINT32_MAX) { 3165 env->cpuid_xlevel = env->cpuid_min_xlevel; 3166 } 3167 if (env->cpuid_xlevel2 == UINT32_MAX) { 3168 env->cpuid_xlevel2 = env->cpuid_min_xlevel2; 3169 } 3170 3171 out: 3172 if (local_err != NULL) { 3173 error_propagate(errp, local_err); 3174 } 3175 } 3176 3177 #define IS_INTEL_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_INTEL_1 && \ 3178 (env)->cpuid_vendor2 == CPUID_VENDOR_INTEL_2 && \ 3179 (env)->cpuid_vendor3 == CPUID_VENDOR_INTEL_3) 3180 #define IS_AMD_CPU(env) ((env)->cpuid_vendor1 == CPUID_VENDOR_AMD_1 && \ 3181 (env)->cpuid_vendor2 == CPUID_VENDOR_AMD_2 && \ 3182 (env)->cpuid_vendor3 == CPUID_VENDOR_AMD_3) 3183 static void x86_cpu_realizefn(DeviceState *dev, Error **errp) 3184 { 3185 CPUState *cs = CPU(dev); 3186 X86CPU *cpu = X86_CPU(dev); 3187 X86CPUClass *xcc = X86_CPU_GET_CLASS(dev); 3188 CPUX86State *env = &cpu->env; 3189 Error *local_err = NULL; 3190 static bool ht_warned; 3191 3192 if (xcc->kvm_required && !kvm_enabled()) { 3193 char *name = x86_cpu_class_get_model_name(xcc); 3194 error_setg(&local_err, "CPU model '%s' requires KVM", name); 3195 g_free(name); 3196 goto out; 3197 } 3198 3199 if (cpu->apic_id == UNASSIGNED_APIC_ID) { 3200 error_setg(errp, "apic-id property was not initialized properly"); 3201 return; 3202 } 3203 3204 x86_cpu_load_features(cpu, &local_err); 3205 if (local_err) { 3206 goto out; 3207 } 3208 3209 if (x86_cpu_filter_features(cpu) && 3210 (cpu->check_cpuid || cpu->enforce_cpuid)) { 3211 x86_cpu_report_filtered_features(cpu); 3212 if (cpu->enforce_cpuid) { 3213 error_setg(&local_err, 3214 kvm_enabled() ? 3215 "Host doesn't support requested features" : 3216 "TCG doesn't support requested features"); 3217 goto out; 3218 } 3219 } 3220 3221 /* On AMD CPUs, some CPUID[8000_0001].EDX bits must match the bits on 3222 * CPUID[1].EDX. 3223 */ 3224 if (IS_AMD_CPU(env)) { 3225 env->features[FEAT_8000_0001_EDX] &= ~CPUID_EXT2_AMD_ALIASES; 3226 env->features[FEAT_8000_0001_EDX] |= (env->features[FEAT_1_EDX] 3227 & CPUID_EXT2_AMD_ALIASES); 3228 } 3229 3230 /* For 64bit systems think about the number of physical bits to present. 3231 * ideally this should be the same as the host; anything other than matching 3232 * the host can cause incorrect guest behaviour. 3233 * QEMU used to pick the magic value of 40 bits that corresponds to 3234 * consumer AMD devices but nothing else. 3235 */ 3236 if (env->features[FEAT_8000_0001_EDX] & CPUID_EXT2_LM) { 3237 if (kvm_enabled()) { 3238 uint32_t host_phys_bits = x86_host_phys_bits(); 3239 static bool warned; 3240 3241 if (cpu->host_phys_bits) { 3242 /* The user asked for us to use the host physical bits */ 3243 cpu->phys_bits = host_phys_bits; 3244 } 3245 3246 /* Print a warning if the user set it to a value that's not the 3247 * host value. 3248 */ 3249 if (cpu->phys_bits != host_phys_bits && cpu->phys_bits != 0 && 3250 !warned) { 3251 error_report("Warning: Host physical bits (%u)" 3252 " does not match phys-bits property (%u)", 3253 host_phys_bits, cpu->phys_bits); 3254 warned = true; 3255 } 3256 3257 if (cpu->phys_bits && 3258 (cpu->phys_bits > TARGET_PHYS_ADDR_SPACE_BITS || 3259 cpu->phys_bits < 32)) { 3260 error_setg(errp, "phys-bits should be between 32 and %u " 3261 " (but is %u)", 3262 TARGET_PHYS_ADDR_SPACE_BITS, cpu->phys_bits); 3263 return; 3264 } 3265 } else { 3266 if (cpu->phys_bits && cpu->phys_bits != TCG_PHYS_ADDR_BITS) { 3267 error_setg(errp, "TCG only supports phys-bits=%u", 3268 TCG_PHYS_ADDR_BITS); 3269 return; 3270 } 3271 } 3272 /* 0 means it was not explicitly set by the user (or by machine 3273 * compat_props or by the host code above). In this case, the default 3274 * is the value used by TCG (40). 3275 */ 3276 if (cpu->phys_bits == 0) { 3277 cpu->phys_bits = TCG_PHYS_ADDR_BITS; 3278 } 3279 } else { 3280 /* For 32 bit systems don't use the user set value, but keep 3281 * phys_bits consistent with what we tell the guest. 3282 */ 3283 if (cpu->phys_bits != 0) { 3284 error_setg(errp, "phys-bits is not user-configurable in 32 bit"); 3285 return; 3286 } 3287 3288 if (env->features[FEAT_1_EDX] & CPUID_PSE36) { 3289 cpu->phys_bits = 36; 3290 } else { 3291 cpu->phys_bits = 32; 3292 } 3293 } 3294 cpu_exec_realizefn(cs, &local_err); 3295 if (local_err != NULL) { 3296 error_propagate(errp, local_err); 3297 return; 3298 } 3299 3300 if (tcg_enabled()) { 3301 tcg_x86_init(); 3302 } 3303 3304 #ifndef CONFIG_USER_ONLY 3305 qemu_register_reset(x86_cpu_machine_reset_cb, cpu); 3306 3307 if (cpu->env.features[FEAT_1_EDX] & CPUID_APIC || smp_cpus > 1) { 3308 x86_cpu_apic_create(cpu, &local_err); 3309 if (local_err != NULL) { 3310 goto out; 3311 } 3312 } 3313 #endif 3314 3315 mce_init(cpu); 3316 3317 #ifndef CONFIG_USER_ONLY 3318 if (tcg_enabled()) { 3319 AddressSpace *newas = g_new(AddressSpace, 1); 3320 3321 cpu->cpu_as_mem = g_new(MemoryRegion, 1); 3322 cpu->cpu_as_root = g_new(MemoryRegion, 1); 3323 3324 /* Outer container... */ 3325 memory_region_init(cpu->cpu_as_root, OBJECT(cpu), "memory", ~0ull); 3326 memory_region_set_enabled(cpu->cpu_as_root, true); 3327 3328 /* ... with two regions inside: normal system memory with low 3329 * priority, and... 3330 */ 3331 memory_region_init_alias(cpu->cpu_as_mem, OBJECT(cpu), "memory", 3332 get_system_memory(), 0, ~0ull); 3333 memory_region_add_subregion_overlap(cpu->cpu_as_root, 0, cpu->cpu_as_mem, 0); 3334 memory_region_set_enabled(cpu->cpu_as_mem, true); 3335 address_space_init(newas, cpu->cpu_as_root, "CPU"); 3336 cs->num_ases = 1; 3337 cpu_address_space_init(cs, newas, 0); 3338 3339 /* ... SMRAM with higher priority, linked from /machine/smram. */ 3340 cpu->machine_done.notify = x86_cpu_machine_done; 3341 qemu_add_machine_init_done_notifier(&cpu->machine_done); 3342 } 3343 #endif 3344 3345 qemu_init_vcpu(cs); 3346 3347 /* Only Intel CPUs support hyperthreading. Even though QEMU fixes this 3348 * issue by adjusting CPUID_0000_0001_EBX and CPUID_8000_0008_ECX 3349 * based on inputs (sockets,cores,threads), it is still better to gives 3350 * users a warning. 3351 * 3352 * NOTE: the following code has to follow qemu_init_vcpu(). Otherwise 3353 * cs->nr_threads hasn't be populated yet and the checking is incorrect. 3354 */ 3355 if (!IS_INTEL_CPU(env) && cs->nr_threads > 1 && !ht_warned) { 3356 error_report("AMD CPU doesn't support hyperthreading. Please configure" 3357 " -smp options properly."); 3358 ht_warned = true; 3359 } 3360 3361 x86_cpu_apic_realize(cpu, &local_err); 3362 if (local_err != NULL) { 3363 goto out; 3364 } 3365 cpu_reset(cs); 3366 3367 xcc->parent_realize(dev, &local_err); 3368 3369 out: 3370 if (local_err != NULL) { 3371 error_propagate(errp, local_err); 3372 return; 3373 } 3374 } 3375 3376 static void x86_cpu_unrealizefn(DeviceState *dev, Error **errp) 3377 { 3378 X86CPU *cpu = X86_CPU(dev); 3379 X86CPUClass *xcc = X86_CPU_GET_CLASS(dev); 3380 Error *local_err = NULL; 3381 3382 #ifndef CONFIG_USER_ONLY 3383 cpu_remove_sync(CPU(dev)); 3384 qemu_unregister_reset(x86_cpu_machine_reset_cb, dev); 3385 #endif 3386 3387 if (cpu->apic_state) { 3388 object_unparent(OBJECT(cpu->apic_state)); 3389 cpu->apic_state = NULL; 3390 } 3391 3392 xcc->parent_unrealize(dev, &local_err); 3393 if (local_err != NULL) { 3394 error_propagate(errp, local_err); 3395 return; 3396 } 3397 } 3398 3399 typedef struct BitProperty { 3400 uint32_t *ptr; 3401 uint32_t mask; 3402 } BitProperty; 3403 3404 static void x86_cpu_get_bit_prop(Object *obj, Visitor *v, const char *name, 3405 void *opaque, Error **errp) 3406 { 3407 BitProperty *fp = opaque; 3408 bool value = (*fp->ptr & fp->mask) == fp->mask; 3409 visit_type_bool(v, name, &value, errp); 3410 } 3411 3412 static void x86_cpu_set_bit_prop(Object *obj, Visitor *v, const char *name, 3413 void *opaque, Error **errp) 3414 { 3415 DeviceState *dev = DEVICE(obj); 3416 BitProperty *fp = opaque; 3417 Error *local_err = NULL; 3418 bool value; 3419 3420 if (dev->realized) { 3421 qdev_prop_set_after_realize(dev, name, errp); 3422 return; 3423 } 3424 3425 visit_type_bool(v, name, &value, &local_err); 3426 if (local_err) { 3427 error_propagate(errp, local_err); 3428 return; 3429 } 3430 3431 if (value) { 3432 *fp->ptr |= fp->mask; 3433 } else { 3434 *fp->ptr &= ~fp->mask; 3435 } 3436 } 3437 3438 static void x86_cpu_release_bit_prop(Object *obj, const char *name, 3439 void *opaque) 3440 { 3441 BitProperty *prop = opaque; 3442 g_free(prop); 3443 } 3444 3445 /* Register a boolean property to get/set a single bit in a uint32_t field. 3446 * 3447 * The same property name can be registered multiple times to make it affect 3448 * multiple bits in the same FeatureWord. In that case, the getter will return 3449 * true only if all bits are set. 3450 */ 3451 static void x86_cpu_register_bit_prop(X86CPU *cpu, 3452 const char *prop_name, 3453 uint32_t *field, 3454 int bitnr) 3455 { 3456 BitProperty *fp; 3457 ObjectProperty *op; 3458 uint32_t mask = (1UL << bitnr); 3459 3460 op = object_property_find(OBJECT(cpu), prop_name, NULL); 3461 if (op) { 3462 fp = op->opaque; 3463 assert(fp->ptr == field); 3464 fp->mask |= mask; 3465 } else { 3466 fp = g_new0(BitProperty, 1); 3467 fp->ptr = field; 3468 fp->mask = mask; 3469 object_property_add(OBJECT(cpu), prop_name, "bool", 3470 x86_cpu_get_bit_prop, 3471 x86_cpu_set_bit_prop, 3472 x86_cpu_release_bit_prop, fp, &error_abort); 3473 } 3474 } 3475 3476 static void x86_cpu_register_feature_bit_props(X86CPU *cpu, 3477 FeatureWord w, 3478 int bitnr) 3479 { 3480 FeatureWordInfo *fi = &feature_word_info[w]; 3481 const char *name = fi->feat_names[bitnr]; 3482 3483 if (!name) { 3484 return; 3485 } 3486 3487 /* Property names should use "-" instead of "_". 3488 * Old names containing underscores are registered as aliases 3489 * using object_property_add_alias() 3490 */ 3491 assert(!strchr(name, '_')); 3492 /* aliases don't use "|" delimiters anymore, they are registered 3493 * manually using object_property_add_alias() */ 3494 assert(!strchr(name, '|')); 3495 x86_cpu_register_bit_prop(cpu, name, &cpu->env.features[w], bitnr); 3496 } 3497 3498 static GuestPanicInformation *x86_cpu_get_crash_info(CPUState *cs) 3499 { 3500 X86CPU *cpu = X86_CPU(cs); 3501 CPUX86State *env = &cpu->env; 3502 GuestPanicInformation *panic_info = NULL; 3503 3504 if (env->features[FEAT_HYPERV_EDX] & HV_X64_GUEST_CRASH_MSR_AVAILABLE) { 3505 GuestPanicInformationHyperV *panic_info_hv = 3506 g_malloc0(sizeof(GuestPanicInformationHyperV)); 3507 panic_info = g_malloc0(sizeof(GuestPanicInformation)); 3508 3509 panic_info->type = GUEST_PANIC_INFORMATION_KIND_HYPER_V; 3510 panic_info->u.hyper_v.data = panic_info_hv; 3511 3512 assert(HV_X64_MSR_CRASH_PARAMS >= 5); 3513 panic_info_hv->arg1 = env->msr_hv_crash_params[0]; 3514 panic_info_hv->arg2 = env->msr_hv_crash_params[1]; 3515 panic_info_hv->arg3 = env->msr_hv_crash_params[2]; 3516 panic_info_hv->arg4 = env->msr_hv_crash_params[3]; 3517 panic_info_hv->arg5 = env->msr_hv_crash_params[4]; 3518 } 3519 3520 return panic_info; 3521 } 3522 static void x86_cpu_get_crash_info_qom(Object *obj, Visitor *v, 3523 const char *name, void *opaque, 3524 Error **errp) 3525 { 3526 CPUState *cs = CPU(obj); 3527 GuestPanicInformation *panic_info; 3528 3529 if (!cs->crash_occurred) { 3530 error_setg(errp, "No crash occured"); 3531 return; 3532 } 3533 3534 panic_info = x86_cpu_get_crash_info(cs); 3535 if (panic_info == NULL) { 3536 error_setg(errp, "No crash information"); 3537 return; 3538 } 3539 3540 visit_type_GuestPanicInformation(v, "crash-information", &panic_info, 3541 errp); 3542 qapi_free_GuestPanicInformation(panic_info); 3543 } 3544 3545 static void x86_cpu_initfn(Object *obj) 3546 { 3547 CPUState *cs = CPU(obj); 3548 X86CPU *cpu = X86_CPU(obj); 3549 X86CPUClass *xcc = X86_CPU_GET_CLASS(obj); 3550 CPUX86State *env = &cpu->env; 3551 FeatureWord w; 3552 3553 cs->env_ptr = env; 3554 3555 object_property_add(obj, "family", "int", 3556 x86_cpuid_version_get_family, 3557 x86_cpuid_version_set_family, NULL, NULL, NULL); 3558 object_property_add(obj, "model", "int", 3559 x86_cpuid_version_get_model, 3560 x86_cpuid_version_set_model, NULL, NULL, NULL); 3561 object_property_add(obj, "stepping", "int", 3562 x86_cpuid_version_get_stepping, 3563 x86_cpuid_version_set_stepping, NULL, NULL, NULL); 3564 object_property_add_str(obj, "vendor", 3565 x86_cpuid_get_vendor, 3566 x86_cpuid_set_vendor, NULL); 3567 object_property_add_str(obj, "model-id", 3568 x86_cpuid_get_model_id, 3569 x86_cpuid_set_model_id, NULL); 3570 object_property_add(obj, "tsc-frequency", "int", 3571 x86_cpuid_get_tsc_freq, 3572 x86_cpuid_set_tsc_freq, NULL, NULL, NULL); 3573 object_property_add(obj, "feature-words", "X86CPUFeatureWordInfo", 3574 x86_cpu_get_feature_words, 3575 NULL, NULL, (void *)env->features, NULL); 3576 object_property_add(obj, "filtered-features", "X86CPUFeatureWordInfo", 3577 x86_cpu_get_feature_words, 3578 NULL, NULL, (void *)cpu->filtered_features, NULL); 3579 3580 object_property_add(obj, "crash-information", "GuestPanicInformation", 3581 x86_cpu_get_crash_info_qom, NULL, NULL, NULL, NULL); 3582 3583 cpu->hyperv_spinlock_attempts = HYPERV_SPINLOCK_NEVER_RETRY; 3584 3585 for (w = 0; w < FEATURE_WORDS; w++) { 3586 int bitnr; 3587 3588 for (bitnr = 0; bitnr < 32; bitnr++) { 3589 x86_cpu_register_feature_bit_props(cpu, w, bitnr); 3590 } 3591 } 3592 3593 object_property_add_alias(obj, "sse3", obj, "pni", &error_abort); 3594 object_property_add_alias(obj, "pclmuldq", obj, "pclmulqdq", &error_abort); 3595 object_property_add_alias(obj, "sse4-1", obj, "sse4.1", &error_abort); 3596 object_property_add_alias(obj, "sse4-2", obj, "sse4.2", &error_abort); 3597 object_property_add_alias(obj, "xd", obj, "nx", &error_abort); 3598 object_property_add_alias(obj, "ffxsr", obj, "fxsr-opt", &error_abort); 3599 object_property_add_alias(obj, "i64", obj, "lm", &error_abort); 3600 3601 object_property_add_alias(obj, "ds_cpl", obj, "ds-cpl", &error_abort); 3602 object_property_add_alias(obj, "tsc_adjust", obj, "tsc-adjust", &error_abort); 3603 object_property_add_alias(obj, "fxsr_opt", obj, "fxsr-opt", &error_abort); 3604 object_property_add_alias(obj, "lahf_lm", obj, "lahf-lm", &error_abort); 3605 object_property_add_alias(obj, "cmp_legacy", obj, "cmp-legacy", &error_abort); 3606 object_property_add_alias(obj, "nodeid_msr", obj, "nodeid-msr", &error_abort); 3607 object_property_add_alias(obj, "perfctr_core", obj, "perfctr-core", &error_abort); 3608 object_property_add_alias(obj, "perfctr_nb", obj, "perfctr-nb", &error_abort); 3609 object_property_add_alias(obj, "kvm_nopiodelay", obj, "kvm-nopiodelay", &error_abort); 3610 object_property_add_alias(obj, "kvm_mmu", obj, "kvm-mmu", &error_abort); 3611 object_property_add_alias(obj, "kvm_asyncpf", obj, "kvm-asyncpf", &error_abort); 3612 object_property_add_alias(obj, "kvm_steal_time", obj, "kvm-steal-time", &error_abort); 3613 object_property_add_alias(obj, "kvm_pv_eoi", obj, "kvm-pv-eoi", &error_abort); 3614 object_property_add_alias(obj, "kvm_pv_unhalt", obj, "kvm-pv-unhalt", &error_abort); 3615 object_property_add_alias(obj, "svm_lock", obj, "svm-lock", &error_abort); 3616 object_property_add_alias(obj, "nrip_save", obj, "nrip-save", &error_abort); 3617 object_property_add_alias(obj, "tsc_scale", obj, "tsc-scale", &error_abort); 3618 object_property_add_alias(obj, "vmcb_clean", obj, "vmcb-clean", &error_abort); 3619 object_property_add_alias(obj, "pause_filter", obj, "pause-filter", &error_abort); 3620 object_property_add_alias(obj, "sse4_1", obj, "sse4.1", &error_abort); 3621 object_property_add_alias(obj, "sse4_2", obj, "sse4.2", &error_abort); 3622 3623 x86_cpu_load_def(cpu, xcc->cpu_def, &error_abort); 3624 } 3625 3626 static int64_t x86_cpu_get_arch_id(CPUState *cs) 3627 { 3628 X86CPU *cpu = X86_CPU(cs); 3629 3630 return cpu->apic_id; 3631 } 3632 3633 static bool x86_cpu_get_paging_enabled(const CPUState *cs) 3634 { 3635 X86CPU *cpu = X86_CPU(cs); 3636 3637 return cpu->env.cr[0] & CR0_PG_MASK; 3638 } 3639 3640 static void x86_cpu_set_pc(CPUState *cs, vaddr value) 3641 { 3642 X86CPU *cpu = X86_CPU(cs); 3643 3644 cpu->env.eip = value; 3645 } 3646 3647 static void x86_cpu_synchronize_from_tb(CPUState *cs, TranslationBlock *tb) 3648 { 3649 X86CPU *cpu = X86_CPU(cs); 3650 3651 cpu->env.eip = tb->pc - tb->cs_base; 3652 } 3653 3654 static bool x86_cpu_has_work(CPUState *cs) 3655 { 3656 X86CPU *cpu = X86_CPU(cs); 3657 CPUX86State *env = &cpu->env; 3658 3659 return ((cs->interrupt_request & (CPU_INTERRUPT_HARD | 3660 CPU_INTERRUPT_POLL)) && 3661 (env->eflags & IF_MASK)) || 3662 (cs->interrupt_request & (CPU_INTERRUPT_NMI | 3663 CPU_INTERRUPT_INIT | 3664 CPU_INTERRUPT_SIPI | 3665 CPU_INTERRUPT_MCE)) || 3666 ((cs->interrupt_request & CPU_INTERRUPT_SMI) && 3667 !(env->hflags & HF_SMM_MASK)); 3668 } 3669 3670 static Property x86_cpu_properties[] = { 3671 #ifdef CONFIG_USER_ONLY 3672 /* apic_id = 0 by default for *-user, see commit 9886e834 */ 3673 DEFINE_PROP_UINT32("apic-id", X86CPU, apic_id, 0), 3674 DEFINE_PROP_INT32("thread-id", X86CPU, thread_id, 0), 3675 DEFINE_PROP_INT32("core-id", X86CPU, core_id, 0), 3676 DEFINE_PROP_INT32("socket-id", X86CPU, socket_id, 0), 3677 #else 3678 DEFINE_PROP_UINT32("apic-id", X86CPU, apic_id, UNASSIGNED_APIC_ID), 3679 DEFINE_PROP_INT32("thread-id", X86CPU, thread_id, -1), 3680 DEFINE_PROP_INT32("core-id", X86CPU, core_id, -1), 3681 DEFINE_PROP_INT32("socket-id", X86CPU, socket_id, -1), 3682 #endif 3683 DEFINE_PROP_BOOL("pmu", X86CPU, enable_pmu, false), 3684 { .name = "hv-spinlocks", .info = &qdev_prop_spinlocks }, 3685 DEFINE_PROP_BOOL("hv-relaxed", X86CPU, hyperv_relaxed_timing, false), 3686 DEFINE_PROP_BOOL("hv-vapic", X86CPU, hyperv_vapic, false), 3687 DEFINE_PROP_BOOL("hv-time", X86CPU, hyperv_time, false), 3688 DEFINE_PROP_BOOL("hv-crash", X86CPU, hyperv_crash, false), 3689 DEFINE_PROP_BOOL("hv-reset", X86CPU, hyperv_reset, false), 3690 DEFINE_PROP_BOOL("hv-vpindex", X86CPU, hyperv_vpindex, false), 3691 DEFINE_PROP_BOOL("hv-runtime", X86CPU, hyperv_runtime, false), 3692 DEFINE_PROP_BOOL("hv-synic", X86CPU, hyperv_synic, false), 3693 DEFINE_PROP_BOOL("hv-stimer", X86CPU, hyperv_stimer, false), 3694 DEFINE_PROP_BOOL("check", X86CPU, check_cpuid, true), 3695 DEFINE_PROP_BOOL("enforce", X86CPU, enforce_cpuid, false), 3696 DEFINE_PROP_BOOL("kvm", X86CPU, expose_kvm, true), 3697 DEFINE_PROP_UINT32("phys-bits", X86CPU, phys_bits, 0), 3698 DEFINE_PROP_BOOL("host-phys-bits", X86CPU, host_phys_bits, false), 3699 DEFINE_PROP_BOOL("fill-mtrr-mask", X86CPU, fill_mtrr_mask, true), 3700 DEFINE_PROP_UINT32("level", X86CPU, env.cpuid_level, UINT32_MAX), 3701 DEFINE_PROP_UINT32("xlevel", X86CPU, env.cpuid_xlevel, UINT32_MAX), 3702 DEFINE_PROP_UINT32("xlevel2", X86CPU, env.cpuid_xlevel2, UINT32_MAX), 3703 DEFINE_PROP_UINT32("min-level", X86CPU, env.cpuid_min_level, 0), 3704 DEFINE_PROP_UINT32("min-xlevel", X86CPU, env.cpuid_min_xlevel, 0), 3705 DEFINE_PROP_UINT32("min-xlevel2", X86CPU, env.cpuid_min_xlevel2, 0), 3706 DEFINE_PROP_BOOL("full-cpuid-auto-level", X86CPU, full_cpuid_auto_level, true), 3707 DEFINE_PROP_STRING("hv-vendor-id", X86CPU, hyperv_vendor_id), 3708 DEFINE_PROP_BOOL("cpuid-0xb", X86CPU, enable_cpuid_0xb, true), 3709 DEFINE_PROP_BOOL("lmce", X86CPU, enable_lmce, false), 3710 DEFINE_PROP_BOOL("l3-cache", X86CPU, enable_l3_cache, true), 3711 DEFINE_PROP_BOOL("vmware-cpuid-freq", X86CPU, vmware_cpuid_freq, true), 3712 DEFINE_PROP_END_OF_LIST() 3713 }; 3714 3715 static void x86_cpu_common_class_init(ObjectClass *oc, void *data) 3716 { 3717 X86CPUClass *xcc = X86_CPU_CLASS(oc); 3718 CPUClass *cc = CPU_CLASS(oc); 3719 DeviceClass *dc = DEVICE_CLASS(oc); 3720 3721 xcc->parent_realize = dc->realize; 3722 xcc->parent_unrealize = dc->unrealize; 3723 dc->realize = x86_cpu_realizefn; 3724 dc->unrealize = x86_cpu_unrealizefn; 3725 dc->props = x86_cpu_properties; 3726 3727 xcc->parent_reset = cc->reset; 3728 cc->reset = x86_cpu_reset; 3729 cc->reset_dump_flags = CPU_DUMP_FPU | CPU_DUMP_CCOP; 3730 3731 cc->class_by_name = x86_cpu_class_by_name; 3732 cc->parse_features = x86_cpu_parse_featurestr; 3733 cc->has_work = x86_cpu_has_work; 3734 cc->do_interrupt = x86_cpu_do_interrupt; 3735 cc->cpu_exec_interrupt = x86_cpu_exec_interrupt; 3736 cc->dump_state = x86_cpu_dump_state; 3737 cc->get_crash_info = x86_cpu_get_crash_info; 3738 cc->set_pc = x86_cpu_set_pc; 3739 cc->synchronize_from_tb = x86_cpu_synchronize_from_tb; 3740 cc->gdb_read_register = x86_cpu_gdb_read_register; 3741 cc->gdb_write_register = x86_cpu_gdb_write_register; 3742 cc->get_arch_id = x86_cpu_get_arch_id; 3743 cc->get_paging_enabled = x86_cpu_get_paging_enabled; 3744 #ifdef CONFIG_USER_ONLY 3745 cc->handle_mmu_fault = x86_cpu_handle_mmu_fault; 3746 #else 3747 cc->get_memory_mapping = x86_cpu_get_memory_mapping; 3748 cc->get_phys_page_debug = x86_cpu_get_phys_page_debug; 3749 cc->write_elf64_note = x86_cpu_write_elf64_note; 3750 cc->write_elf64_qemunote = x86_cpu_write_elf64_qemunote; 3751 cc->write_elf32_note = x86_cpu_write_elf32_note; 3752 cc->write_elf32_qemunote = x86_cpu_write_elf32_qemunote; 3753 cc->vmsd = &vmstate_x86_cpu; 3754 #endif 3755 /* CPU_NB_REGS * 2 = general regs + xmm regs 3756 * 25 = eip, eflags, 6 seg regs, st[0-7], fctrl,...,fop, mxcsr. 3757 */ 3758 cc->gdb_num_core_regs = CPU_NB_REGS * 2 + 25; 3759 #ifndef CONFIG_USER_ONLY 3760 cc->debug_excp_handler = breakpoint_handler; 3761 #endif 3762 cc->cpu_exec_enter = x86_cpu_exec_enter; 3763 cc->cpu_exec_exit = x86_cpu_exec_exit; 3764 3765 dc->cannot_instantiate_with_device_add_yet = false; 3766 } 3767 3768 static const TypeInfo x86_cpu_type_info = { 3769 .name = TYPE_X86_CPU, 3770 .parent = TYPE_CPU, 3771 .instance_size = sizeof(X86CPU), 3772 .instance_init = x86_cpu_initfn, 3773 .abstract = true, 3774 .class_size = sizeof(X86CPUClass), 3775 .class_init = x86_cpu_common_class_init, 3776 }; 3777 3778 static void x86_cpu_register_types(void) 3779 { 3780 int i; 3781 3782 type_register_static(&x86_cpu_type_info); 3783 for (i = 0; i < ARRAY_SIZE(builtin_x86_defs); i++) { 3784 x86_register_cpudef_type(&builtin_x86_defs[i]); 3785 } 3786 #ifdef CONFIG_KVM 3787 type_register_static(&host_x86_cpu_type_info); 3788 #endif 3789 } 3790 3791 type_init(x86_cpu_register_types) 3792