1 2 /* 3 * i386 virtual CPU header 4 * 5 * Copyright (c) 2003 Fabrice Bellard 6 * 7 * This library is free software; you can redistribute it and/or 8 * modify it under the terms of the GNU Lesser General Public 9 * License as published by the Free Software Foundation; either 10 * version 2 of the License, or (at your option) any later version. 11 * 12 * This library is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 15 * Lesser General Public License for more details. 16 * 17 * You should have received a copy of the GNU Lesser General Public 18 * License along with this library; if not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #ifndef I386_CPU_H 22 #define I386_CPU_H 23 24 #include "qemu-common.h" 25 #include "cpu-qom.h" 26 #include "hyperv-proto.h" 27 28 #ifdef TARGET_X86_64 29 #define TARGET_LONG_BITS 64 30 #else 31 #define TARGET_LONG_BITS 32 32 #endif 33 34 #include "exec/cpu-defs.h" 35 36 /* The x86 has a strong memory model with some store-after-load re-ordering */ 37 #define TCG_GUEST_DEFAULT_MO (TCG_MO_ALL & ~TCG_MO_ST_LD) 38 39 /* Maximum instruction code size */ 40 #define TARGET_MAX_INSN_SIZE 16 41 42 /* support for self modifying code even if the modified instruction is 43 close to the modifying instruction */ 44 #define TARGET_HAS_PRECISE_SMC 45 46 #ifdef TARGET_X86_64 47 #define I386_ELF_MACHINE EM_X86_64 48 #define ELF_MACHINE_UNAME "x86_64" 49 #else 50 #define I386_ELF_MACHINE EM_386 51 #define ELF_MACHINE_UNAME "i686" 52 #endif 53 54 #define CPUArchState struct CPUX86State 55 56 enum { 57 R_EAX = 0, 58 R_ECX = 1, 59 R_EDX = 2, 60 R_EBX = 3, 61 R_ESP = 4, 62 R_EBP = 5, 63 R_ESI = 6, 64 R_EDI = 7, 65 R_R8 = 8, 66 R_R9 = 9, 67 R_R10 = 10, 68 R_R11 = 11, 69 R_R12 = 12, 70 R_R13 = 13, 71 R_R14 = 14, 72 R_R15 = 15, 73 74 R_AL = 0, 75 R_CL = 1, 76 R_DL = 2, 77 R_BL = 3, 78 R_AH = 4, 79 R_CH = 5, 80 R_DH = 6, 81 R_BH = 7, 82 }; 83 84 typedef enum X86Seg { 85 R_ES = 0, 86 R_CS = 1, 87 R_SS = 2, 88 R_DS = 3, 89 R_FS = 4, 90 R_GS = 5, 91 R_LDTR = 6, 92 R_TR = 7, 93 } X86Seg; 94 95 /* segment descriptor fields */ 96 #define DESC_G_SHIFT 23 97 #define DESC_G_MASK (1 << DESC_G_SHIFT) 98 #define DESC_B_SHIFT 22 99 #define DESC_B_MASK (1 << DESC_B_SHIFT) 100 #define DESC_L_SHIFT 21 /* x86_64 only : 64 bit code segment */ 101 #define DESC_L_MASK (1 << DESC_L_SHIFT) 102 #define DESC_AVL_SHIFT 20 103 #define DESC_AVL_MASK (1 << DESC_AVL_SHIFT) 104 #define DESC_P_SHIFT 15 105 #define DESC_P_MASK (1 << DESC_P_SHIFT) 106 #define DESC_DPL_SHIFT 13 107 #define DESC_DPL_MASK (3 << DESC_DPL_SHIFT) 108 #define DESC_S_SHIFT 12 109 #define DESC_S_MASK (1 << DESC_S_SHIFT) 110 #define DESC_TYPE_SHIFT 8 111 #define DESC_TYPE_MASK (15 << DESC_TYPE_SHIFT) 112 #define DESC_A_MASK (1 << 8) 113 114 #define DESC_CS_MASK (1 << 11) /* 1=code segment 0=data segment */ 115 #define DESC_C_MASK (1 << 10) /* code: conforming */ 116 #define DESC_R_MASK (1 << 9) /* code: readable */ 117 118 #define DESC_E_MASK (1 << 10) /* data: expansion direction */ 119 #define DESC_W_MASK (1 << 9) /* data: writable */ 120 121 #define DESC_TSS_BUSY_MASK (1 << 9) 122 123 /* eflags masks */ 124 #define CC_C 0x0001 125 #define CC_P 0x0004 126 #define CC_A 0x0010 127 #define CC_Z 0x0040 128 #define CC_S 0x0080 129 #define CC_O 0x0800 130 131 #define TF_SHIFT 8 132 #define IOPL_SHIFT 12 133 #define VM_SHIFT 17 134 135 #define TF_MASK 0x00000100 136 #define IF_MASK 0x00000200 137 #define DF_MASK 0x00000400 138 #define IOPL_MASK 0x00003000 139 #define NT_MASK 0x00004000 140 #define RF_MASK 0x00010000 141 #define VM_MASK 0x00020000 142 #define AC_MASK 0x00040000 143 #define VIF_MASK 0x00080000 144 #define VIP_MASK 0x00100000 145 #define ID_MASK 0x00200000 146 147 /* hidden flags - used internally by qemu to represent additional cpu 148 states. Only the INHIBIT_IRQ, SMM and SVMI are not redundant. We 149 avoid using the IOPL_MASK, TF_MASK, VM_MASK and AC_MASK bit 150 positions to ease oring with eflags. */ 151 /* current cpl */ 152 #define HF_CPL_SHIFT 0 153 /* true if hardware interrupts must be disabled for next instruction */ 154 #define HF_INHIBIT_IRQ_SHIFT 3 155 /* 16 or 32 segments */ 156 #define HF_CS32_SHIFT 4 157 #define HF_SS32_SHIFT 5 158 /* zero base for DS, ES and SS : can be '0' only in 32 bit CS segment */ 159 #define HF_ADDSEG_SHIFT 6 160 /* copy of CR0.PE (protected mode) */ 161 #define HF_PE_SHIFT 7 162 #define HF_TF_SHIFT 8 /* must be same as eflags */ 163 #define HF_MP_SHIFT 9 /* the order must be MP, EM, TS */ 164 #define HF_EM_SHIFT 10 165 #define HF_TS_SHIFT 11 166 #define HF_IOPL_SHIFT 12 /* must be same as eflags */ 167 #define HF_LMA_SHIFT 14 /* only used on x86_64: long mode active */ 168 #define HF_CS64_SHIFT 15 /* only used on x86_64: 64 bit code segment */ 169 #define HF_RF_SHIFT 16 /* must be same as eflags */ 170 #define HF_VM_SHIFT 17 /* must be same as eflags */ 171 #define HF_AC_SHIFT 18 /* must be same as eflags */ 172 #define HF_SMM_SHIFT 19 /* CPU in SMM mode */ 173 #define HF_SVME_SHIFT 20 /* SVME enabled (copy of EFER.SVME) */ 174 #define HF_SVMI_SHIFT 21 /* SVM intercepts are active */ 175 #define HF_OSFXSR_SHIFT 22 /* CR4.OSFXSR */ 176 #define HF_SMAP_SHIFT 23 /* CR4.SMAP */ 177 #define HF_IOBPT_SHIFT 24 /* an io breakpoint enabled */ 178 #define HF_MPX_EN_SHIFT 25 /* MPX Enabled (CR4+XCR0+BNDCFGx) */ 179 #define HF_MPX_IU_SHIFT 26 /* BND registers in-use */ 180 181 #define HF_CPL_MASK (3 << HF_CPL_SHIFT) 182 #define HF_INHIBIT_IRQ_MASK (1 << HF_INHIBIT_IRQ_SHIFT) 183 #define HF_CS32_MASK (1 << HF_CS32_SHIFT) 184 #define HF_SS32_MASK (1 << HF_SS32_SHIFT) 185 #define HF_ADDSEG_MASK (1 << HF_ADDSEG_SHIFT) 186 #define HF_PE_MASK (1 << HF_PE_SHIFT) 187 #define HF_TF_MASK (1 << HF_TF_SHIFT) 188 #define HF_MP_MASK (1 << HF_MP_SHIFT) 189 #define HF_EM_MASK (1 << HF_EM_SHIFT) 190 #define HF_TS_MASK (1 << HF_TS_SHIFT) 191 #define HF_IOPL_MASK (3 << HF_IOPL_SHIFT) 192 #define HF_LMA_MASK (1 << HF_LMA_SHIFT) 193 #define HF_CS64_MASK (1 << HF_CS64_SHIFT) 194 #define HF_RF_MASK (1 << HF_RF_SHIFT) 195 #define HF_VM_MASK (1 << HF_VM_SHIFT) 196 #define HF_AC_MASK (1 << HF_AC_SHIFT) 197 #define HF_SMM_MASK (1 << HF_SMM_SHIFT) 198 #define HF_SVME_MASK (1 << HF_SVME_SHIFT) 199 #define HF_SVMI_MASK (1 << HF_SVMI_SHIFT) 200 #define HF_OSFXSR_MASK (1 << HF_OSFXSR_SHIFT) 201 #define HF_SMAP_MASK (1 << HF_SMAP_SHIFT) 202 #define HF_IOBPT_MASK (1 << HF_IOBPT_SHIFT) 203 #define HF_MPX_EN_MASK (1 << HF_MPX_EN_SHIFT) 204 #define HF_MPX_IU_MASK (1 << HF_MPX_IU_SHIFT) 205 206 /* hflags2 */ 207 208 #define HF2_GIF_SHIFT 0 /* if set CPU takes interrupts */ 209 #define HF2_HIF_SHIFT 1 /* value of IF_MASK when entering SVM */ 210 #define HF2_NMI_SHIFT 2 /* CPU serving NMI */ 211 #define HF2_VINTR_SHIFT 3 /* value of V_INTR_MASKING bit */ 212 #define HF2_SMM_INSIDE_NMI_SHIFT 4 /* CPU serving SMI nested inside NMI */ 213 #define HF2_MPX_PR_SHIFT 5 /* BNDCFGx.BNDPRESERVE */ 214 215 #define HF2_GIF_MASK (1 << HF2_GIF_SHIFT) 216 #define HF2_HIF_MASK (1 << HF2_HIF_SHIFT) 217 #define HF2_NMI_MASK (1 << HF2_NMI_SHIFT) 218 #define HF2_VINTR_MASK (1 << HF2_VINTR_SHIFT) 219 #define HF2_SMM_INSIDE_NMI_MASK (1 << HF2_SMM_INSIDE_NMI_SHIFT) 220 #define HF2_MPX_PR_MASK (1 << HF2_MPX_PR_SHIFT) 221 222 #define CR0_PE_SHIFT 0 223 #define CR0_MP_SHIFT 1 224 225 #define CR0_PE_MASK (1U << 0) 226 #define CR0_MP_MASK (1U << 1) 227 #define CR0_EM_MASK (1U << 2) 228 #define CR0_TS_MASK (1U << 3) 229 #define CR0_ET_MASK (1U << 4) 230 #define CR0_NE_MASK (1U << 5) 231 #define CR0_WP_MASK (1U << 16) 232 #define CR0_AM_MASK (1U << 18) 233 #define CR0_PG_MASK (1U << 31) 234 235 #define CR4_VME_MASK (1U << 0) 236 #define CR4_PVI_MASK (1U << 1) 237 #define CR4_TSD_MASK (1U << 2) 238 #define CR4_DE_MASK (1U << 3) 239 #define CR4_PSE_MASK (1U << 4) 240 #define CR4_PAE_MASK (1U << 5) 241 #define CR4_MCE_MASK (1U << 6) 242 #define CR4_PGE_MASK (1U << 7) 243 #define CR4_PCE_MASK (1U << 8) 244 #define CR4_OSFXSR_SHIFT 9 245 #define CR4_OSFXSR_MASK (1U << CR4_OSFXSR_SHIFT) 246 #define CR4_OSXMMEXCPT_MASK (1U << 10) 247 #define CR4_LA57_MASK (1U << 12) 248 #define CR4_VMXE_MASK (1U << 13) 249 #define CR4_SMXE_MASK (1U << 14) 250 #define CR4_FSGSBASE_MASK (1U << 16) 251 #define CR4_PCIDE_MASK (1U << 17) 252 #define CR4_OSXSAVE_MASK (1U << 18) 253 #define CR4_SMEP_MASK (1U << 20) 254 #define CR4_SMAP_MASK (1U << 21) 255 #define CR4_PKE_MASK (1U << 22) 256 257 #define DR6_BD (1 << 13) 258 #define DR6_BS (1 << 14) 259 #define DR6_BT (1 << 15) 260 #define DR6_FIXED_1 0xffff0ff0 261 262 #define DR7_GD (1 << 13) 263 #define DR7_TYPE_SHIFT 16 264 #define DR7_LEN_SHIFT 18 265 #define DR7_FIXED_1 0x00000400 266 #define DR7_GLOBAL_BP_MASK 0xaa 267 #define DR7_LOCAL_BP_MASK 0x55 268 #define DR7_MAX_BP 4 269 #define DR7_TYPE_BP_INST 0x0 270 #define DR7_TYPE_DATA_WR 0x1 271 #define DR7_TYPE_IO_RW 0x2 272 #define DR7_TYPE_DATA_RW 0x3 273 274 #define PG_PRESENT_BIT 0 275 #define PG_RW_BIT 1 276 #define PG_USER_BIT 2 277 #define PG_PWT_BIT 3 278 #define PG_PCD_BIT 4 279 #define PG_ACCESSED_BIT 5 280 #define PG_DIRTY_BIT 6 281 #define PG_PSE_BIT 7 282 #define PG_GLOBAL_BIT 8 283 #define PG_PSE_PAT_BIT 12 284 #define PG_PKRU_BIT 59 285 #define PG_NX_BIT 63 286 287 #define PG_PRESENT_MASK (1 << PG_PRESENT_BIT) 288 #define PG_RW_MASK (1 << PG_RW_BIT) 289 #define PG_USER_MASK (1 << PG_USER_BIT) 290 #define PG_PWT_MASK (1 << PG_PWT_BIT) 291 #define PG_PCD_MASK (1 << PG_PCD_BIT) 292 #define PG_ACCESSED_MASK (1 << PG_ACCESSED_BIT) 293 #define PG_DIRTY_MASK (1 << PG_DIRTY_BIT) 294 #define PG_PSE_MASK (1 << PG_PSE_BIT) 295 #define PG_GLOBAL_MASK (1 << PG_GLOBAL_BIT) 296 #define PG_PSE_PAT_MASK (1 << PG_PSE_PAT_BIT) 297 #define PG_ADDRESS_MASK 0x000ffffffffff000LL 298 #define PG_HI_RSVD_MASK (PG_ADDRESS_MASK & ~PHYS_ADDR_MASK) 299 #define PG_HI_USER_MASK 0x7ff0000000000000LL 300 #define PG_PKRU_MASK (15ULL << PG_PKRU_BIT) 301 #define PG_NX_MASK (1ULL << PG_NX_BIT) 302 303 #define PG_ERROR_W_BIT 1 304 305 #define PG_ERROR_P_MASK 0x01 306 #define PG_ERROR_W_MASK (1 << PG_ERROR_W_BIT) 307 #define PG_ERROR_U_MASK 0x04 308 #define PG_ERROR_RSVD_MASK 0x08 309 #define PG_ERROR_I_D_MASK 0x10 310 #define PG_ERROR_PK_MASK 0x20 311 312 #define MCG_CTL_P (1ULL<<8) /* MCG_CAP register available */ 313 #define MCG_SER_P (1ULL<<24) /* MCA recovery/new status bits */ 314 #define MCG_LMCE_P (1ULL<<27) /* Local Machine Check Supported */ 315 316 #define MCE_CAP_DEF (MCG_CTL_P|MCG_SER_P) 317 #define MCE_BANKS_DEF 10 318 319 #define MCG_CAP_BANKS_MASK 0xff 320 321 #define MCG_STATUS_RIPV (1ULL<<0) /* restart ip valid */ 322 #define MCG_STATUS_EIPV (1ULL<<1) /* ip points to correct instruction */ 323 #define MCG_STATUS_MCIP (1ULL<<2) /* machine check in progress */ 324 #define MCG_STATUS_LMCE (1ULL<<3) /* Local MCE signaled */ 325 326 #define MCG_EXT_CTL_LMCE_EN (1ULL<<0) /* Local MCE enabled */ 327 328 #define MCI_STATUS_VAL (1ULL<<63) /* valid error */ 329 #define MCI_STATUS_OVER (1ULL<<62) /* previous errors lost */ 330 #define MCI_STATUS_UC (1ULL<<61) /* uncorrected error */ 331 #define MCI_STATUS_EN (1ULL<<60) /* error enabled */ 332 #define MCI_STATUS_MISCV (1ULL<<59) /* misc error reg. valid */ 333 #define MCI_STATUS_ADDRV (1ULL<<58) /* addr reg. valid */ 334 #define MCI_STATUS_PCC (1ULL<<57) /* processor context corrupt */ 335 #define MCI_STATUS_S (1ULL<<56) /* Signaled machine check */ 336 #define MCI_STATUS_AR (1ULL<<55) /* Action required */ 337 338 /* MISC register defines */ 339 #define MCM_ADDR_SEGOFF 0 /* segment offset */ 340 #define MCM_ADDR_LINEAR 1 /* linear address */ 341 #define MCM_ADDR_PHYS 2 /* physical address */ 342 #define MCM_ADDR_MEM 3 /* memory address */ 343 #define MCM_ADDR_GENERIC 7 /* generic */ 344 345 #define MSR_IA32_TSC 0x10 346 #define MSR_IA32_APICBASE 0x1b 347 #define MSR_IA32_APICBASE_BSP (1<<8) 348 #define MSR_IA32_APICBASE_ENABLE (1<<11) 349 #define MSR_IA32_APICBASE_EXTD (1 << 10) 350 #define MSR_IA32_APICBASE_BASE (0xfffffU<<12) 351 #define MSR_IA32_FEATURE_CONTROL 0x0000003a 352 #define MSR_TSC_ADJUST 0x0000003b 353 #define MSR_IA32_SPEC_CTRL 0x48 354 #define MSR_IA32_TSCDEADLINE 0x6e0 355 356 #define FEATURE_CONTROL_LOCKED (1<<0) 357 #define FEATURE_CONTROL_VMXON_ENABLED_OUTSIDE_SMX (1<<2) 358 #define FEATURE_CONTROL_LMCE (1<<20) 359 360 #define MSR_P6_PERFCTR0 0xc1 361 362 #define MSR_IA32_SMBASE 0x9e 363 #define MSR_SMI_COUNT 0x34 364 #define MSR_MTRRcap 0xfe 365 #define MSR_MTRRcap_VCNT 8 366 #define MSR_MTRRcap_FIXRANGE_SUPPORT (1 << 8) 367 #define MSR_MTRRcap_WC_SUPPORTED (1 << 10) 368 369 #define MSR_IA32_SYSENTER_CS 0x174 370 #define MSR_IA32_SYSENTER_ESP 0x175 371 #define MSR_IA32_SYSENTER_EIP 0x176 372 373 #define MSR_MCG_CAP 0x179 374 #define MSR_MCG_STATUS 0x17a 375 #define MSR_MCG_CTL 0x17b 376 #define MSR_MCG_EXT_CTL 0x4d0 377 378 #define MSR_P6_EVNTSEL0 0x186 379 380 #define MSR_IA32_PERF_STATUS 0x198 381 382 #define MSR_IA32_MISC_ENABLE 0x1a0 383 /* Indicates good rep/movs microcode on some processors: */ 384 #define MSR_IA32_MISC_ENABLE_DEFAULT 1 385 386 #define MSR_MTRRphysBase(reg) (0x200 + 2 * (reg)) 387 #define MSR_MTRRphysMask(reg) (0x200 + 2 * (reg) + 1) 388 389 #define MSR_MTRRphysIndex(addr) ((((addr) & ~1u) - 0x200) / 2) 390 391 #define MSR_MTRRfix64K_00000 0x250 392 #define MSR_MTRRfix16K_80000 0x258 393 #define MSR_MTRRfix16K_A0000 0x259 394 #define MSR_MTRRfix4K_C0000 0x268 395 #define MSR_MTRRfix4K_C8000 0x269 396 #define MSR_MTRRfix4K_D0000 0x26a 397 #define MSR_MTRRfix4K_D8000 0x26b 398 #define MSR_MTRRfix4K_E0000 0x26c 399 #define MSR_MTRRfix4K_E8000 0x26d 400 #define MSR_MTRRfix4K_F0000 0x26e 401 #define MSR_MTRRfix4K_F8000 0x26f 402 403 #define MSR_PAT 0x277 404 405 #define MSR_MTRRdefType 0x2ff 406 407 #define MSR_CORE_PERF_FIXED_CTR0 0x309 408 #define MSR_CORE_PERF_FIXED_CTR1 0x30a 409 #define MSR_CORE_PERF_FIXED_CTR2 0x30b 410 #define MSR_CORE_PERF_FIXED_CTR_CTRL 0x38d 411 #define MSR_CORE_PERF_GLOBAL_STATUS 0x38e 412 #define MSR_CORE_PERF_GLOBAL_CTRL 0x38f 413 #define MSR_CORE_PERF_GLOBAL_OVF_CTRL 0x390 414 415 #define MSR_MC0_CTL 0x400 416 #define MSR_MC0_STATUS 0x401 417 #define MSR_MC0_ADDR 0x402 418 #define MSR_MC0_MISC 0x403 419 420 #define MSR_IA32_RTIT_OUTPUT_BASE 0x560 421 #define MSR_IA32_RTIT_OUTPUT_MASK 0x561 422 #define MSR_IA32_RTIT_CTL 0x570 423 #define MSR_IA32_RTIT_STATUS 0x571 424 #define MSR_IA32_RTIT_CR3_MATCH 0x572 425 #define MSR_IA32_RTIT_ADDR0_A 0x580 426 #define MSR_IA32_RTIT_ADDR0_B 0x581 427 #define MSR_IA32_RTIT_ADDR1_A 0x582 428 #define MSR_IA32_RTIT_ADDR1_B 0x583 429 #define MSR_IA32_RTIT_ADDR2_A 0x584 430 #define MSR_IA32_RTIT_ADDR2_B 0x585 431 #define MSR_IA32_RTIT_ADDR3_A 0x586 432 #define MSR_IA32_RTIT_ADDR3_B 0x587 433 #define MAX_RTIT_ADDRS 8 434 435 #define MSR_EFER 0xc0000080 436 437 #define MSR_EFER_SCE (1 << 0) 438 #define MSR_EFER_LME (1 << 8) 439 #define MSR_EFER_LMA (1 << 10) 440 #define MSR_EFER_NXE (1 << 11) 441 #define MSR_EFER_SVME (1 << 12) 442 #define MSR_EFER_FFXSR (1 << 14) 443 444 #define MSR_STAR 0xc0000081 445 #define MSR_LSTAR 0xc0000082 446 #define MSR_CSTAR 0xc0000083 447 #define MSR_FMASK 0xc0000084 448 #define MSR_FSBASE 0xc0000100 449 #define MSR_GSBASE 0xc0000101 450 #define MSR_KERNELGSBASE 0xc0000102 451 #define MSR_TSC_AUX 0xc0000103 452 453 #define MSR_VM_HSAVE_PA 0xc0010117 454 455 #define MSR_IA32_BNDCFGS 0x00000d90 456 #define MSR_IA32_XSS 0x00000da0 457 458 #define XSTATE_FP_BIT 0 459 #define XSTATE_SSE_BIT 1 460 #define XSTATE_YMM_BIT 2 461 #define XSTATE_BNDREGS_BIT 3 462 #define XSTATE_BNDCSR_BIT 4 463 #define XSTATE_OPMASK_BIT 5 464 #define XSTATE_ZMM_Hi256_BIT 6 465 #define XSTATE_Hi16_ZMM_BIT 7 466 #define XSTATE_PKRU_BIT 9 467 468 #define XSTATE_FP_MASK (1ULL << XSTATE_FP_BIT) 469 #define XSTATE_SSE_MASK (1ULL << XSTATE_SSE_BIT) 470 #define XSTATE_YMM_MASK (1ULL << XSTATE_YMM_BIT) 471 #define XSTATE_BNDREGS_MASK (1ULL << XSTATE_BNDREGS_BIT) 472 #define XSTATE_BNDCSR_MASK (1ULL << XSTATE_BNDCSR_BIT) 473 #define XSTATE_OPMASK_MASK (1ULL << XSTATE_OPMASK_BIT) 474 #define XSTATE_ZMM_Hi256_MASK (1ULL << XSTATE_ZMM_Hi256_BIT) 475 #define XSTATE_Hi16_ZMM_MASK (1ULL << XSTATE_Hi16_ZMM_BIT) 476 #define XSTATE_PKRU_MASK (1ULL << XSTATE_PKRU_BIT) 477 478 /* CPUID feature words */ 479 typedef enum FeatureWord { 480 FEAT_1_EDX, /* CPUID[1].EDX */ 481 FEAT_1_ECX, /* CPUID[1].ECX */ 482 FEAT_7_0_EBX, /* CPUID[EAX=7,ECX=0].EBX */ 483 FEAT_7_0_ECX, /* CPUID[EAX=7,ECX=0].ECX */ 484 FEAT_7_0_EDX, /* CPUID[EAX=7,ECX=0].EDX */ 485 FEAT_8000_0001_EDX, /* CPUID[8000_0001].EDX */ 486 FEAT_8000_0001_ECX, /* CPUID[8000_0001].ECX */ 487 FEAT_8000_0007_EDX, /* CPUID[8000_0007].EDX */ 488 FEAT_8000_0008_EBX, /* CPUID[8000_0008].EBX */ 489 FEAT_C000_0001_EDX, /* CPUID[C000_0001].EDX */ 490 FEAT_KVM, /* CPUID[4000_0001].EAX (KVM_CPUID_FEATURES) */ 491 FEAT_KVM_HINTS, /* CPUID[4000_0001].EDX */ 492 FEAT_HYPERV_EAX, /* CPUID[4000_0003].EAX */ 493 FEAT_HYPERV_EBX, /* CPUID[4000_0003].EBX */ 494 FEAT_HYPERV_EDX, /* CPUID[4000_0003].EDX */ 495 FEAT_SVM, /* CPUID[8000_000A].EDX */ 496 FEAT_XSAVE, /* CPUID[EAX=0xd,ECX=1].EAX */ 497 FEAT_6_EAX, /* CPUID[6].EAX */ 498 FEAT_XSAVE_COMP_LO, /* CPUID[EAX=0xd,ECX=0].EAX */ 499 FEAT_XSAVE_COMP_HI, /* CPUID[EAX=0xd,ECX=0].EDX */ 500 FEATURE_WORDS, 501 } FeatureWord; 502 503 typedef uint32_t FeatureWordArray[FEATURE_WORDS]; 504 505 /* cpuid_features bits */ 506 #define CPUID_FP87 (1U << 0) 507 #define CPUID_VME (1U << 1) 508 #define CPUID_DE (1U << 2) 509 #define CPUID_PSE (1U << 3) 510 #define CPUID_TSC (1U << 4) 511 #define CPUID_MSR (1U << 5) 512 #define CPUID_PAE (1U << 6) 513 #define CPUID_MCE (1U << 7) 514 #define CPUID_CX8 (1U << 8) 515 #define CPUID_APIC (1U << 9) 516 #define CPUID_SEP (1U << 11) /* sysenter/sysexit */ 517 #define CPUID_MTRR (1U << 12) 518 #define CPUID_PGE (1U << 13) 519 #define CPUID_MCA (1U << 14) 520 #define CPUID_CMOV (1U << 15) 521 #define CPUID_PAT (1U << 16) 522 #define CPUID_PSE36 (1U << 17) 523 #define CPUID_PN (1U << 18) 524 #define CPUID_CLFLUSH (1U << 19) 525 #define CPUID_DTS (1U << 21) 526 #define CPUID_ACPI (1U << 22) 527 #define CPUID_MMX (1U << 23) 528 #define CPUID_FXSR (1U << 24) 529 #define CPUID_SSE (1U << 25) 530 #define CPUID_SSE2 (1U << 26) 531 #define CPUID_SS (1U << 27) 532 #define CPUID_HT (1U << 28) 533 #define CPUID_TM (1U << 29) 534 #define CPUID_IA64 (1U << 30) 535 #define CPUID_PBE (1U << 31) 536 537 #define CPUID_EXT_SSE3 (1U << 0) 538 #define CPUID_EXT_PCLMULQDQ (1U << 1) 539 #define CPUID_EXT_DTES64 (1U << 2) 540 #define CPUID_EXT_MONITOR (1U << 3) 541 #define CPUID_EXT_DSCPL (1U << 4) 542 #define CPUID_EXT_VMX (1U << 5) 543 #define CPUID_EXT_SMX (1U << 6) 544 #define CPUID_EXT_EST (1U << 7) 545 #define CPUID_EXT_TM2 (1U << 8) 546 #define CPUID_EXT_SSSE3 (1U << 9) 547 #define CPUID_EXT_CID (1U << 10) 548 #define CPUID_EXT_FMA (1U << 12) 549 #define CPUID_EXT_CX16 (1U << 13) 550 #define CPUID_EXT_XTPR (1U << 14) 551 #define CPUID_EXT_PDCM (1U << 15) 552 #define CPUID_EXT_PCID (1U << 17) 553 #define CPUID_EXT_DCA (1U << 18) 554 #define CPUID_EXT_SSE41 (1U << 19) 555 #define CPUID_EXT_SSE42 (1U << 20) 556 #define CPUID_EXT_X2APIC (1U << 21) 557 #define CPUID_EXT_MOVBE (1U << 22) 558 #define CPUID_EXT_POPCNT (1U << 23) 559 #define CPUID_EXT_TSC_DEADLINE_TIMER (1U << 24) 560 #define CPUID_EXT_AES (1U << 25) 561 #define CPUID_EXT_XSAVE (1U << 26) 562 #define CPUID_EXT_OSXSAVE (1U << 27) 563 #define CPUID_EXT_AVX (1U << 28) 564 #define CPUID_EXT_F16C (1U << 29) 565 #define CPUID_EXT_RDRAND (1U << 30) 566 #define CPUID_EXT_HYPERVISOR (1U << 31) 567 568 #define CPUID_EXT2_FPU (1U << 0) 569 #define CPUID_EXT2_VME (1U << 1) 570 #define CPUID_EXT2_DE (1U << 2) 571 #define CPUID_EXT2_PSE (1U << 3) 572 #define CPUID_EXT2_TSC (1U << 4) 573 #define CPUID_EXT2_MSR (1U << 5) 574 #define CPUID_EXT2_PAE (1U << 6) 575 #define CPUID_EXT2_MCE (1U << 7) 576 #define CPUID_EXT2_CX8 (1U << 8) 577 #define CPUID_EXT2_APIC (1U << 9) 578 #define CPUID_EXT2_SYSCALL (1U << 11) 579 #define CPUID_EXT2_MTRR (1U << 12) 580 #define CPUID_EXT2_PGE (1U << 13) 581 #define CPUID_EXT2_MCA (1U << 14) 582 #define CPUID_EXT2_CMOV (1U << 15) 583 #define CPUID_EXT2_PAT (1U << 16) 584 #define CPUID_EXT2_PSE36 (1U << 17) 585 #define CPUID_EXT2_MP (1U << 19) 586 #define CPUID_EXT2_NX (1U << 20) 587 #define CPUID_EXT2_MMXEXT (1U << 22) 588 #define CPUID_EXT2_MMX (1U << 23) 589 #define CPUID_EXT2_FXSR (1U << 24) 590 #define CPUID_EXT2_FFXSR (1U << 25) 591 #define CPUID_EXT2_PDPE1GB (1U << 26) 592 #define CPUID_EXT2_RDTSCP (1U << 27) 593 #define CPUID_EXT2_LM (1U << 29) 594 #define CPUID_EXT2_3DNOWEXT (1U << 30) 595 #define CPUID_EXT2_3DNOW (1U << 31) 596 597 /* CPUID[8000_0001].EDX bits that are aliase of CPUID[1].EDX bits on AMD CPUs */ 598 #define CPUID_EXT2_AMD_ALIASES (CPUID_EXT2_FPU | CPUID_EXT2_VME | \ 599 CPUID_EXT2_DE | CPUID_EXT2_PSE | \ 600 CPUID_EXT2_TSC | CPUID_EXT2_MSR | \ 601 CPUID_EXT2_PAE | CPUID_EXT2_MCE | \ 602 CPUID_EXT2_CX8 | CPUID_EXT2_APIC | \ 603 CPUID_EXT2_MTRR | CPUID_EXT2_PGE | \ 604 CPUID_EXT2_MCA | CPUID_EXT2_CMOV | \ 605 CPUID_EXT2_PAT | CPUID_EXT2_PSE36 | \ 606 CPUID_EXT2_MMX | CPUID_EXT2_FXSR) 607 608 #define CPUID_EXT3_LAHF_LM (1U << 0) 609 #define CPUID_EXT3_CMP_LEG (1U << 1) 610 #define CPUID_EXT3_SVM (1U << 2) 611 #define CPUID_EXT3_EXTAPIC (1U << 3) 612 #define CPUID_EXT3_CR8LEG (1U << 4) 613 #define CPUID_EXT3_ABM (1U << 5) 614 #define CPUID_EXT3_SSE4A (1U << 6) 615 #define CPUID_EXT3_MISALIGNSSE (1U << 7) 616 #define CPUID_EXT3_3DNOWPREFETCH (1U << 8) 617 #define CPUID_EXT3_OSVW (1U << 9) 618 #define CPUID_EXT3_IBS (1U << 10) 619 #define CPUID_EXT3_XOP (1U << 11) 620 #define CPUID_EXT3_SKINIT (1U << 12) 621 #define CPUID_EXT3_WDT (1U << 13) 622 #define CPUID_EXT3_LWP (1U << 15) 623 #define CPUID_EXT3_FMA4 (1U << 16) 624 #define CPUID_EXT3_TCE (1U << 17) 625 #define CPUID_EXT3_NODEID (1U << 19) 626 #define CPUID_EXT3_TBM (1U << 21) 627 #define CPUID_EXT3_TOPOEXT (1U << 22) 628 #define CPUID_EXT3_PERFCORE (1U << 23) 629 #define CPUID_EXT3_PERFNB (1U << 24) 630 631 #define CPUID_SVM_NPT (1U << 0) 632 #define CPUID_SVM_LBRV (1U << 1) 633 #define CPUID_SVM_SVMLOCK (1U << 2) 634 #define CPUID_SVM_NRIPSAVE (1U << 3) 635 #define CPUID_SVM_TSCSCALE (1U << 4) 636 #define CPUID_SVM_VMCBCLEAN (1U << 5) 637 #define CPUID_SVM_FLUSHASID (1U << 6) 638 #define CPUID_SVM_DECODEASSIST (1U << 7) 639 #define CPUID_SVM_PAUSEFILTER (1U << 10) 640 #define CPUID_SVM_PFTHRESHOLD (1U << 12) 641 642 #define CPUID_7_0_EBX_FSGSBASE (1U << 0) 643 #define CPUID_7_0_EBX_BMI1 (1U << 3) 644 #define CPUID_7_0_EBX_HLE (1U << 4) 645 #define CPUID_7_0_EBX_AVX2 (1U << 5) 646 #define CPUID_7_0_EBX_SMEP (1U << 7) 647 #define CPUID_7_0_EBX_BMI2 (1U << 8) 648 #define CPUID_7_0_EBX_ERMS (1U << 9) 649 #define CPUID_7_0_EBX_INVPCID (1U << 10) 650 #define CPUID_7_0_EBX_RTM (1U << 11) 651 #define CPUID_7_0_EBX_MPX (1U << 14) 652 #define CPUID_7_0_EBX_AVX512F (1U << 16) /* AVX-512 Foundation */ 653 #define CPUID_7_0_EBX_AVX512DQ (1U << 17) /* AVX-512 Doubleword & Quadword Instrs */ 654 #define CPUID_7_0_EBX_RDSEED (1U << 18) 655 #define CPUID_7_0_EBX_ADX (1U << 19) 656 #define CPUID_7_0_EBX_SMAP (1U << 20) 657 #define CPUID_7_0_EBX_AVX512IFMA (1U << 21) /* AVX-512 Integer Fused Multiply Add */ 658 #define CPUID_7_0_EBX_PCOMMIT (1U << 22) /* Persistent Commit */ 659 #define CPUID_7_0_EBX_CLFLUSHOPT (1U << 23) /* Flush a Cache Line Optimized */ 660 #define CPUID_7_0_EBX_CLWB (1U << 24) /* Cache Line Write Back */ 661 #define CPUID_7_0_EBX_INTEL_PT (1U << 25) /* Intel Processor Trace */ 662 #define CPUID_7_0_EBX_AVX512PF (1U << 26) /* AVX-512 Prefetch */ 663 #define CPUID_7_0_EBX_AVX512ER (1U << 27) /* AVX-512 Exponential and Reciprocal */ 664 #define CPUID_7_0_EBX_AVX512CD (1U << 28) /* AVX-512 Conflict Detection */ 665 #define CPUID_7_0_EBX_SHA_NI (1U << 29) /* SHA1/SHA256 Instruction Extensions */ 666 #define CPUID_7_0_EBX_AVX512BW (1U << 30) /* AVX-512 Byte and Word Instructions */ 667 #define CPUID_7_0_EBX_AVX512VL (1U << 31) /* AVX-512 Vector Length Extensions */ 668 669 #define CPUID_7_0_ECX_AVX512BMI (1U << 1) 670 #define CPUID_7_0_ECX_VBMI (1U << 1) /* AVX-512 Vector Byte Manipulation Instrs */ 671 #define CPUID_7_0_ECX_UMIP (1U << 2) 672 #define CPUID_7_0_ECX_PKU (1U << 3) 673 #define CPUID_7_0_ECX_OSPKE (1U << 4) 674 #define CPUID_7_0_ECX_VBMI2 (1U << 6) /* Additional VBMI Instrs */ 675 #define CPUID_7_0_ECX_GFNI (1U << 8) 676 #define CPUID_7_0_ECX_VAES (1U << 9) 677 #define CPUID_7_0_ECX_VPCLMULQDQ (1U << 10) 678 #define CPUID_7_0_ECX_AVX512VNNI (1U << 11) 679 #define CPUID_7_0_ECX_AVX512BITALG (1U << 12) 680 #define CPUID_7_0_ECX_AVX512_VPOPCNTDQ (1U << 14) /* POPCNT for vectors of DW/QW */ 681 #define CPUID_7_0_ECX_LA57 (1U << 16) 682 #define CPUID_7_0_ECX_RDPID (1U << 22) 683 #define CPUID_7_0_ECX_CLDEMOTE (1U << 25) /* CLDEMOTE Instruction */ 684 685 #define CPUID_7_0_EDX_AVX512_4VNNIW (1U << 2) /* AVX512 Neural Network Instructions */ 686 #define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3) /* AVX512 Multiply Accumulation Single Precision */ 687 #define CPUID_7_0_EDX_SPEC_CTRL (1U << 26) /* Speculation Control */ 688 689 #define KVM_HINTS_DEDICATED (1U << 0) 690 691 #define CPUID_8000_0008_EBX_IBPB (1U << 12) /* Indirect Branch Prediction Barrier */ 692 693 #define CPUID_XSAVE_XSAVEOPT (1U << 0) 694 #define CPUID_XSAVE_XSAVEC (1U << 1) 695 #define CPUID_XSAVE_XGETBV1 (1U << 2) 696 #define CPUID_XSAVE_XSAVES (1U << 3) 697 698 #define CPUID_6_EAX_ARAT (1U << 2) 699 700 /* CPUID[0x80000007].EDX flags: */ 701 #define CPUID_APM_INVTSC (1U << 8) 702 703 #define CPUID_VENDOR_SZ 12 704 705 #define CPUID_VENDOR_INTEL_1 0x756e6547 /* "Genu" */ 706 #define CPUID_VENDOR_INTEL_2 0x49656e69 /* "ineI" */ 707 #define CPUID_VENDOR_INTEL_3 0x6c65746e /* "ntel" */ 708 #define CPUID_VENDOR_INTEL "GenuineIntel" 709 710 #define CPUID_VENDOR_AMD_1 0x68747541 /* "Auth" */ 711 #define CPUID_VENDOR_AMD_2 0x69746e65 /* "enti" */ 712 #define CPUID_VENDOR_AMD_3 0x444d4163 /* "cAMD" */ 713 #define CPUID_VENDOR_AMD "AuthenticAMD" 714 715 #define CPUID_VENDOR_VIA "CentaurHauls" 716 717 #define CPUID_MWAIT_IBE (1U << 1) /* Interrupts can exit capability */ 718 #define CPUID_MWAIT_EMX (1U << 0) /* enumeration supported */ 719 720 /* CPUID[0xB].ECX level types */ 721 #define CPUID_TOPOLOGY_LEVEL_INVALID (0U << 8) 722 #define CPUID_TOPOLOGY_LEVEL_SMT (1U << 8) 723 #define CPUID_TOPOLOGY_LEVEL_CORE (2U << 8) 724 725 #ifndef HYPERV_SPINLOCK_NEVER_RETRY 726 #define HYPERV_SPINLOCK_NEVER_RETRY 0xFFFFFFFF 727 #endif 728 729 #define EXCP00_DIVZ 0 730 #define EXCP01_DB 1 731 #define EXCP02_NMI 2 732 #define EXCP03_INT3 3 733 #define EXCP04_INTO 4 734 #define EXCP05_BOUND 5 735 #define EXCP06_ILLOP 6 736 #define EXCP07_PREX 7 737 #define EXCP08_DBLE 8 738 #define EXCP09_XERR 9 739 #define EXCP0A_TSS 10 740 #define EXCP0B_NOSEG 11 741 #define EXCP0C_STACK 12 742 #define EXCP0D_GPF 13 743 #define EXCP0E_PAGE 14 744 #define EXCP10_COPR 16 745 #define EXCP11_ALGN 17 746 #define EXCP12_MCHK 18 747 748 #define EXCP_SYSCALL 0x100 /* only happens in user only emulation 749 for syscall instruction */ 750 #define EXCP_VMEXIT 0x100 751 752 /* i386-specific interrupt pending bits. */ 753 #define CPU_INTERRUPT_POLL CPU_INTERRUPT_TGT_EXT_1 754 #define CPU_INTERRUPT_SMI CPU_INTERRUPT_TGT_EXT_2 755 #define CPU_INTERRUPT_NMI CPU_INTERRUPT_TGT_EXT_3 756 #define CPU_INTERRUPT_MCE CPU_INTERRUPT_TGT_EXT_4 757 #define CPU_INTERRUPT_VIRQ CPU_INTERRUPT_TGT_INT_0 758 #define CPU_INTERRUPT_SIPI CPU_INTERRUPT_TGT_INT_1 759 #define CPU_INTERRUPT_TPR CPU_INTERRUPT_TGT_INT_2 760 761 /* Use a clearer name for this. */ 762 #define CPU_INTERRUPT_INIT CPU_INTERRUPT_RESET 763 764 /* Instead of computing the condition codes after each x86 instruction, 765 * QEMU just stores one operand (called CC_SRC), the result 766 * (called CC_DST) and the type of operation (called CC_OP). When the 767 * condition codes are needed, the condition codes can be calculated 768 * using this information. Condition codes are not generated if they 769 * are only needed for conditional branches. 770 */ 771 typedef enum { 772 CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */ 773 CC_OP_EFLAGS, /* all cc are explicitly computed, CC_SRC = flags */ 774 775 CC_OP_MULB, /* modify all flags, C, O = (CC_SRC != 0) */ 776 CC_OP_MULW, 777 CC_OP_MULL, 778 CC_OP_MULQ, 779 780 CC_OP_ADDB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 781 CC_OP_ADDW, 782 CC_OP_ADDL, 783 CC_OP_ADDQ, 784 785 CC_OP_ADCB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 786 CC_OP_ADCW, 787 CC_OP_ADCL, 788 CC_OP_ADCQ, 789 790 CC_OP_SUBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 791 CC_OP_SUBW, 792 CC_OP_SUBL, 793 CC_OP_SUBQ, 794 795 CC_OP_SBBB, /* modify all flags, CC_DST = res, CC_SRC = src1 */ 796 CC_OP_SBBW, 797 CC_OP_SBBL, 798 CC_OP_SBBQ, 799 800 CC_OP_LOGICB, /* modify all flags, CC_DST = res */ 801 CC_OP_LOGICW, 802 CC_OP_LOGICL, 803 CC_OP_LOGICQ, 804 805 CC_OP_INCB, /* modify all flags except, CC_DST = res, CC_SRC = C */ 806 CC_OP_INCW, 807 CC_OP_INCL, 808 CC_OP_INCQ, 809 810 CC_OP_DECB, /* modify all flags except, CC_DST = res, CC_SRC = C */ 811 CC_OP_DECW, 812 CC_OP_DECL, 813 CC_OP_DECQ, 814 815 CC_OP_SHLB, /* modify all flags, CC_DST = res, CC_SRC.msb = C */ 816 CC_OP_SHLW, 817 CC_OP_SHLL, 818 CC_OP_SHLQ, 819 820 CC_OP_SARB, /* modify all flags, CC_DST = res, CC_SRC.lsb = C */ 821 CC_OP_SARW, 822 CC_OP_SARL, 823 CC_OP_SARQ, 824 825 CC_OP_BMILGB, /* Z,S via CC_DST, C = SRC==0; O=0; P,A undefined */ 826 CC_OP_BMILGW, 827 CC_OP_BMILGL, 828 CC_OP_BMILGQ, 829 830 CC_OP_ADCX, /* CC_DST = C, CC_SRC = rest. */ 831 CC_OP_ADOX, /* CC_DST = O, CC_SRC = rest. */ 832 CC_OP_ADCOX, /* CC_DST = C, CC_SRC2 = O, CC_SRC = rest. */ 833 834 CC_OP_CLR, /* Z set, all other flags clear. */ 835 CC_OP_POPCNT, /* Z via CC_SRC, all other flags clear. */ 836 837 CC_OP_NB, 838 } CCOp; 839 840 typedef struct SegmentCache { 841 uint32_t selector; 842 target_ulong base; 843 uint32_t limit; 844 uint32_t flags; 845 } SegmentCache; 846 847 #define MMREG_UNION(n, bits) \ 848 union n { \ 849 uint8_t _b_##n[(bits)/8]; \ 850 uint16_t _w_##n[(bits)/16]; \ 851 uint32_t _l_##n[(bits)/32]; \ 852 uint64_t _q_##n[(bits)/64]; \ 853 float32 _s_##n[(bits)/32]; \ 854 float64 _d_##n[(bits)/64]; \ 855 } 856 857 typedef union { 858 uint8_t _b[16]; 859 uint16_t _w[8]; 860 uint32_t _l[4]; 861 uint64_t _q[2]; 862 } XMMReg; 863 864 typedef union { 865 uint8_t _b[32]; 866 uint16_t _w[16]; 867 uint32_t _l[8]; 868 uint64_t _q[4]; 869 } YMMReg; 870 871 typedef MMREG_UNION(ZMMReg, 512) ZMMReg; 872 typedef MMREG_UNION(MMXReg, 64) MMXReg; 873 874 typedef struct BNDReg { 875 uint64_t lb; 876 uint64_t ub; 877 } BNDReg; 878 879 typedef struct BNDCSReg { 880 uint64_t cfgu; 881 uint64_t sts; 882 } BNDCSReg; 883 884 #define BNDCFG_ENABLE 1ULL 885 #define BNDCFG_BNDPRESERVE 2ULL 886 #define BNDCFG_BDIR_MASK TARGET_PAGE_MASK 887 888 #ifdef HOST_WORDS_BIGENDIAN 889 #define ZMM_B(n) _b_ZMMReg[63 - (n)] 890 #define ZMM_W(n) _w_ZMMReg[31 - (n)] 891 #define ZMM_L(n) _l_ZMMReg[15 - (n)] 892 #define ZMM_S(n) _s_ZMMReg[15 - (n)] 893 #define ZMM_Q(n) _q_ZMMReg[7 - (n)] 894 #define ZMM_D(n) _d_ZMMReg[7 - (n)] 895 896 #define MMX_B(n) _b_MMXReg[7 - (n)] 897 #define MMX_W(n) _w_MMXReg[3 - (n)] 898 #define MMX_L(n) _l_MMXReg[1 - (n)] 899 #define MMX_S(n) _s_MMXReg[1 - (n)] 900 #else 901 #define ZMM_B(n) _b_ZMMReg[n] 902 #define ZMM_W(n) _w_ZMMReg[n] 903 #define ZMM_L(n) _l_ZMMReg[n] 904 #define ZMM_S(n) _s_ZMMReg[n] 905 #define ZMM_Q(n) _q_ZMMReg[n] 906 #define ZMM_D(n) _d_ZMMReg[n] 907 908 #define MMX_B(n) _b_MMXReg[n] 909 #define MMX_W(n) _w_MMXReg[n] 910 #define MMX_L(n) _l_MMXReg[n] 911 #define MMX_S(n) _s_MMXReg[n] 912 #endif 913 #define MMX_Q(n) _q_MMXReg[n] 914 915 typedef union { 916 floatx80 d __attribute__((aligned(16))); 917 MMXReg mmx; 918 } FPReg; 919 920 typedef struct { 921 uint64_t base; 922 uint64_t mask; 923 } MTRRVar; 924 925 #define CPU_NB_REGS64 16 926 #define CPU_NB_REGS32 8 927 928 #ifdef TARGET_X86_64 929 #define CPU_NB_REGS CPU_NB_REGS64 930 #else 931 #define CPU_NB_REGS CPU_NB_REGS32 932 #endif 933 934 #define MAX_FIXED_COUNTERS 3 935 #define MAX_GP_COUNTERS (MSR_IA32_PERF_STATUS - MSR_P6_EVNTSEL0) 936 937 #define NB_MMU_MODES 3 938 #define TARGET_INSN_START_EXTRA_WORDS 1 939 940 #define NB_OPMASK_REGS 8 941 942 /* CPU can't have 0xFFFFFFFF APIC ID, use that value to distinguish 943 * that APIC ID hasn't been set yet 944 */ 945 #define UNASSIGNED_APIC_ID 0xFFFFFFFF 946 947 typedef union X86LegacyXSaveArea { 948 struct { 949 uint16_t fcw; 950 uint16_t fsw; 951 uint8_t ftw; 952 uint8_t reserved; 953 uint16_t fpop; 954 uint64_t fpip; 955 uint64_t fpdp; 956 uint32_t mxcsr; 957 uint32_t mxcsr_mask; 958 FPReg fpregs[8]; 959 uint8_t xmm_regs[16][16]; 960 }; 961 uint8_t data[512]; 962 } X86LegacyXSaveArea; 963 964 typedef struct X86XSaveHeader { 965 uint64_t xstate_bv; 966 uint64_t xcomp_bv; 967 uint64_t reserve0; 968 uint8_t reserved[40]; 969 } X86XSaveHeader; 970 971 /* Ext. save area 2: AVX State */ 972 typedef struct XSaveAVX { 973 uint8_t ymmh[16][16]; 974 } XSaveAVX; 975 976 /* Ext. save area 3: BNDREG */ 977 typedef struct XSaveBNDREG { 978 BNDReg bnd_regs[4]; 979 } XSaveBNDREG; 980 981 /* Ext. save area 4: BNDCSR */ 982 typedef union XSaveBNDCSR { 983 BNDCSReg bndcsr; 984 uint8_t data[64]; 985 } XSaveBNDCSR; 986 987 /* Ext. save area 5: Opmask */ 988 typedef struct XSaveOpmask { 989 uint64_t opmask_regs[NB_OPMASK_REGS]; 990 } XSaveOpmask; 991 992 /* Ext. save area 6: ZMM_Hi256 */ 993 typedef struct XSaveZMM_Hi256 { 994 uint8_t zmm_hi256[16][32]; 995 } XSaveZMM_Hi256; 996 997 /* Ext. save area 7: Hi16_ZMM */ 998 typedef struct XSaveHi16_ZMM { 999 uint8_t hi16_zmm[16][64]; 1000 } XSaveHi16_ZMM; 1001 1002 /* Ext. save area 9: PKRU state */ 1003 typedef struct XSavePKRU { 1004 uint32_t pkru; 1005 uint32_t padding; 1006 } XSavePKRU; 1007 1008 typedef struct X86XSaveArea { 1009 X86LegacyXSaveArea legacy; 1010 X86XSaveHeader header; 1011 1012 /* Extended save areas: */ 1013 1014 /* AVX State: */ 1015 XSaveAVX avx_state; 1016 uint8_t padding[960 - 576 - sizeof(XSaveAVX)]; 1017 /* MPX State: */ 1018 XSaveBNDREG bndreg_state; 1019 XSaveBNDCSR bndcsr_state; 1020 /* AVX-512 State: */ 1021 XSaveOpmask opmask_state; 1022 XSaveZMM_Hi256 zmm_hi256_state; 1023 XSaveHi16_ZMM hi16_zmm_state; 1024 /* PKRU State: */ 1025 XSavePKRU pkru_state; 1026 } X86XSaveArea; 1027 1028 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, avx_state) != 0x240); 1029 QEMU_BUILD_BUG_ON(sizeof(XSaveAVX) != 0x100); 1030 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndreg_state) != 0x3c0); 1031 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDREG) != 0x40); 1032 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, bndcsr_state) != 0x400); 1033 QEMU_BUILD_BUG_ON(sizeof(XSaveBNDCSR) != 0x40); 1034 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, opmask_state) != 0x440); 1035 QEMU_BUILD_BUG_ON(sizeof(XSaveOpmask) != 0x40); 1036 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, zmm_hi256_state) != 0x480); 1037 QEMU_BUILD_BUG_ON(sizeof(XSaveZMM_Hi256) != 0x200); 1038 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, hi16_zmm_state) != 0x680); 1039 QEMU_BUILD_BUG_ON(sizeof(XSaveHi16_ZMM) != 0x400); 1040 QEMU_BUILD_BUG_ON(offsetof(X86XSaveArea, pkru_state) != 0xA80); 1041 QEMU_BUILD_BUG_ON(sizeof(XSavePKRU) != 0x8); 1042 1043 typedef enum TPRAccess { 1044 TPR_ACCESS_READ, 1045 TPR_ACCESS_WRITE, 1046 } TPRAccess; 1047 1048 /* Cache information data structures: */ 1049 1050 enum CacheType { 1051 DCACHE, 1052 ICACHE, 1053 UNIFIED_CACHE 1054 }; 1055 1056 typedef struct CPUCacheInfo { 1057 enum CacheType type; 1058 uint8_t level; 1059 /* Size in bytes */ 1060 uint32_t size; 1061 /* Line size, in bytes */ 1062 uint16_t line_size; 1063 /* 1064 * Associativity. 1065 * Note: representation of fully-associative caches is not implemented 1066 */ 1067 uint8_t associativity; 1068 /* Physical line partitions. CPUID[0x8000001D].EBX, CPUID[4].EBX */ 1069 uint8_t partitions; 1070 /* Number of sets. CPUID[0x8000001D].ECX, CPUID[4].ECX */ 1071 uint32_t sets; 1072 /* 1073 * Lines per tag. 1074 * AMD-specific: CPUID[0x80000005], CPUID[0x80000006]. 1075 * (Is this synonym to @partitions?) 1076 */ 1077 uint8_t lines_per_tag; 1078 1079 /* Self-initializing cache */ 1080 bool self_init; 1081 /* 1082 * WBINVD/INVD is not guaranteed to act upon lower level caches of 1083 * non-originating threads sharing this cache. 1084 * CPUID[4].EDX[bit 0], CPUID[0x8000001D].EDX[bit 0] 1085 */ 1086 bool no_invd_sharing; 1087 /* 1088 * Cache is inclusive of lower cache levels. 1089 * CPUID[4].EDX[bit 1], CPUID[0x8000001D].EDX[bit 1]. 1090 */ 1091 bool inclusive; 1092 /* 1093 * A complex function is used to index the cache, potentially using all 1094 * address bits. CPUID[4].EDX[bit 2]. 1095 */ 1096 bool complex_indexing; 1097 } CPUCacheInfo; 1098 1099 1100 typedef struct CPUCaches { 1101 CPUCacheInfo l1d_cache; 1102 CPUCacheInfo l1i_cache; 1103 CPUCacheInfo l2_cache; 1104 CPUCacheInfo l3_cache; 1105 } CPUCaches; 1106 1107 typedef struct CPUX86State { 1108 /* standard registers */ 1109 target_ulong regs[CPU_NB_REGS]; 1110 target_ulong eip; 1111 target_ulong eflags; /* eflags register. During CPU emulation, CC 1112 flags and DF are set to zero because they are 1113 stored elsewhere */ 1114 1115 /* emulator internal eflags handling */ 1116 target_ulong cc_dst; 1117 target_ulong cc_src; 1118 target_ulong cc_src2; 1119 uint32_t cc_op; 1120 int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */ 1121 uint32_t hflags; /* TB flags, see HF_xxx constants. These flags 1122 are known at translation time. */ 1123 uint32_t hflags2; /* various other flags, see HF2_xxx constants. */ 1124 1125 /* segments */ 1126 SegmentCache segs[6]; /* selector values */ 1127 SegmentCache ldt; 1128 SegmentCache tr; 1129 SegmentCache gdt; /* only base and limit are used */ 1130 SegmentCache idt; /* only base and limit are used */ 1131 1132 target_ulong cr[5]; /* NOTE: cr1 is unused */ 1133 int32_t a20_mask; 1134 1135 BNDReg bnd_regs[4]; 1136 BNDCSReg bndcs_regs; 1137 uint64_t msr_bndcfgs; 1138 uint64_t efer; 1139 1140 /* Beginning of state preserved by INIT (dummy marker). */ 1141 struct {} start_init_save; 1142 1143 /* FPU state */ 1144 unsigned int fpstt; /* top of stack index */ 1145 uint16_t fpus; 1146 uint16_t fpuc; 1147 uint8_t fptags[8]; /* 0 = valid, 1 = empty */ 1148 FPReg fpregs[8]; 1149 /* KVM-only so far */ 1150 uint16_t fpop; 1151 uint64_t fpip; 1152 uint64_t fpdp; 1153 1154 /* emulator internal variables */ 1155 float_status fp_status; 1156 floatx80 ft0; 1157 1158 float_status mmx_status; /* for 3DNow! float ops */ 1159 float_status sse_status; 1160 uint32_t mxcsr; 1161 ZMMReg xmm_regs[CPU_NB_REGS == 8 ? 8 : 32]; 1162 ZMMReg xmm_t0; 1163 MMXReg mmx_t0; 1164 1165 XMMReg ymmh_regs[CPU_NB_REGS]; 1166 1167 uint64_t opmask_regs[NB_OPMASK_REGS]; 1168 YMMReg zmmh_regs[CPU_NB_REGS]; 1169 ZMMReg hi16_zmm_regs[CPU_NB_REGS]; 1170 1171 /* sysenter registers */ 1172 uint32_t sysenter_cs; 1173 target_ulong sysenter_esp; 1174 target_ulong sysenter_eip; 1175 uint64_t star; 1176 1177 uint64_t vm_hsave; 1178 1179 #ifdef TARGET_X86_64 1180 target_ulong lstar; 1181 target_ulong cstar; 1182 target_ulong fmask; 1183 target_ulong kernelgsbase; 1184 #endif 1185 1186 uint64_t tsc; 1187 uint64_t tsc_adjust; 1188 uint64_t tsc_deadline; 1189 uint64_t tsc_aux; 1190 1191 uint64_t xcr0; 1192 1193 uint64_t mcg_status; 1194 uint64_t msr_ia32_misc_enable; 1195 uint64_t msr_ia32_feature_control; 1196 1197 uint64_t msr_fixed_ctr_ctrl; 1198 uint64_t msr_global_ctrl; 1199 uint64_t msr_global_status; 1200 uint64_t msr_global_ovf_ctrl; 1201 uint64_t msr_fixed_counters[MAX_FIXED_COUNTERS]; 1202 uint64_t msr_gp_counters[MAX_GP_COUNTERS]; 1203 uint64_t msr_gp_evtsel[MAX_GP_COUNTERS]; 1204 1205 uint64_t pat; 1206 uint32_t smbase; 1207 uint64_t msr_smi_count; 1208 1209 uint32_t pkru; 1210 1211 uint64_t spec_ctrl; 1212 1213 /* End of state preserved by INIT (dummy marker). */ 1214 struct {} end_init_save; 1215 1216 uint64_t system_time_msr; 1217 uint64_t wall_clock_msr; 1218 uint64_t steal_time_msr; 1219 uint64_t async_pf_en_msr; 1220 uint64_t pv_eoi_en_msr; 1221 1222 /* Partition-wide HV MSRs, will be updated only on the first vcpu */ 1223 uint64_t msr_hv_hypercall; 1224 uint64_t msr_hv_guest_os_id; 1225 uint64_t msr_hv_tsc; 1226 1227 /* Per-VCPU HV MSRs */ 1228 uint64_t msr_hv_vapic; 1229 uint64_t msr_hv_crash_params[HV_CRASH_PARAMS]; 1230 uint64_t msr_hv_runtime; 1231 uint64_t msr_hv_synic_control; 1232 uint64_t msr_hv_synic_evt_page; 1233 uint64_t msr_hv_synic_msg_page; 1234 uint64_t msr_hv_synic_sint[HV_SINT_COUNT]; 1235 uint64_t msr_hv_stimer_config[HV_STIMER_COUNT]; 1236 uint64_t msr_hv_stimer_count[HV_STIMER_COUNT]; 1237 uint64_t msr_hv_reenlightenment_control; 1238 uint64_t msr_hv_tsc_emulation_control; 1239 uint64_t msr_hv_tsc_emulation_status; 1240 1241 uint64_t msr_rtit_ctrl; 1242 uint64_t msr_rtit_status; 1243 uint64_t msr_rtit_output_base; 1244 uint64_t msr_rtit_output_mask; 1245 uint64_t msr_rtit_cr3_match; 1246 uint64_t msr_rtit_addrs[MAX_RTIT_ADDRS]; 1247 1248 /* exception/interrupt handling */ 1249 int error_code; 1250 int exception_is_int; 1251 target_ulong exception_next_eip; 1252 target_ulong dr[8]; /* debug registers; note dr4 and dr5 are unused */ 1253 union { 1254 struct CPUBreakpoint *cpu_breakpoint[4]; 1255 struct CPUWatchpoint *cpu_watchpoint[4]; 1256 }; /* break/watchpoints for dr[0..3] */ 1257 int old_exception; /* exception in flight */ 1258 1259 uint64_t vm_vmcb; 1260 uint64_t tsc_offset; 1261 uint64_t intercept; 1262 uint16_t intercept_cr_read; 1263 uint16_t intercept_cr_write; 1264 uint16_t intercept_dr_read; 1265 uint16_t intercept_dr_write; 1266 uint32_t intercept_exceptions; 1267 uint8_t v_tpr; 1268 1269 /* KVM states, automatically cleared on reset */ 1270 uint8_t nmi_injected; 1271 uint8_t nmi_pending; 1272 1273 /* Fields up to this point are cleared by a CPU reset */ 1274 struct {} end_reset_fields; 1275 1276 CPU_COMMON 1277 1278 /* Fields after CPU_COMMON are preserved across CPU reset. */ 1279 1280 /* processor features (e.g. for CPUID insn) */ 1281 /* Minimum level/xlevel/xlevel2, based on CPU model + features */ 1282 uint32_t cpuid_min_level, cpuid_min_xlevel, cpuid_min_xlevel2; 1283 /* Maximum level/xlevel/xlevel2 value for auto-assignment: */ 1284 uint32_t cpuid_max_level, cpuid_max_xlevel, cpuid_max_xlevel2; 1285 /* Actual level/xlevel/xlevel2 value: */ 1286 uint32_t cpuid_level, cpuid_xlevel, cpuid_xlevel2; 1287 uint32_t cpuid_vendor1; 1288 uint32_t cpuid_vendor2; 1289 uint32_t cpuid_vendor3; 1290 uint32_t cpuid_version; 1291 FeatureWordArray features; 1292 /* Features that were explicitly enabled/disabled */ 1293 FeatureWordArray user_features; 1294 uint32_t cpuid_model[12]; 1295 CPUCaches *cache_info; 1296 1297 /* MTRRs */ 1298 uint64_t mtrr_fixed[11]; 1299 uint64_t mtrr_deftype; 1300 MTRRVar mtrr_var[MSR_MTRRcap_VCNT]; 1301 1302 /* For KVM */ 1303 uint32_t mp_state; 1304 int32_t exception_injected; 1305 int32_t interrupt_injected; 1306 uint8_t soft_interrupt; 1307 uint8_t has_error_code; 1308 uint32_t ins_len; 1309 uint32_t sipi_vector; 1310 bool tsc_valid; 1311 int64_t tsc_khz; 1312 int64_t user_tsc_khz; /* for sanity check only */ 1313 void *kvm_xsave_buf; 1314 #if defined(CONFIG_HVF) 1315 HVFX86EmulatorState *hvf_emul; 1316 #endif 1317 1318 uint64_t mcg_cap; 1319 uint64_t mcg_ctl; 1320 uint64_t mcg_ext_ctl; 1321 uint64_t mce_banks[MCE_BANKS_DEF*4]; 1322 uint64_t xstate_bv; 1323 1324 /* vmstate */ 1325 uint16_t fpus_vmstate; 1326 uint16_t fptag_vmstate; 1327 uint16_t fpregs_format_vmstate; 1328 1329 uint64_t xss; 1330 1331 TPRAccess tpr_access_type; 1332 } CPUX86State; 1333 1334 struct kvm_msrs; 1335 1336 /** 1337 * X86CPU: 1338 * @env: #CPUX86State 1339 * @migratable: If set, only migratable flags will be accepted when "enforce" 1340 * mode is used, and only migratable flags will be included in the "host" 1341 * CPU model. 1342 * 1343 * An x86 CPU. 1344 */ 1345 struct X86CPU { 1346 /*< private >*/ 1347 CPUState parent_obj; 1348 /*< public >*/ 1349 1350 CPUX86State env; 1351 1352 bool hyperv_vapic; 1353 bool hyperv_relaxed_timing; 1354 int hyperv_spinlock_attempts; 1355 char *hyperv_vendor_id; 1356 bool hyperv_time; 1357 bool hyperv_crash; 1358 bool hyperv_reset; 1359 bool hyperv_vpindex; 1360 bool hyperv_runtime; 1361 bool hyperv_synic; 1362 bool hyperv_stimer; 1363 bool hyperv_frequencies; 1364 bool hyperv_reenlightenment; 1365 bool check_cpuid; 1366 bool enforce_cpuid; 1367 bool expose_kvm; 1368 bool expose_tcg; 1369 bool migratable; 1370 bool max_features; /* Enable all supported features automatically */ 1371 uint32_t apic_id; 1372 1373 /* Enables publishing of TSC increment and Local APIC bus frequencies to 1374 * the guest OS in CPUID page 0x40000010, the same way that VMWare does. */ 1375 bool vmware_cpuid_freq; 1376 1377 /* if true the CPUID code directly forward host cache leaves to the guest */ 1378 bool cache_info_passthrough; 1379 1380 /* Features that were filtered out because of missing host capabilities */ 1381 uint32_t filtered_features[FEATURE_WORDS]; 1382 1383 /* Enable PMU CPUID bits. This can't be enabled by default yet because 1384 * it doesn't have ABI stability guarantees, as it passes all PMU CPUID 1385 * bits returned by GET_SUPPORTED_CPUID (that depend on host CPU and kernel 1386 * capabilities) directly to the guest. 1387 */ 1388 bool enable_pmu; 1389 1390 /* LMCE support can be enabled/disabled via cpu option 'lmce=on/off'. It is 1391 * disabled by default to avoid breaking migration between QEMU with 1392 * different LMCE configurations. 1393 */ 1394 bool enable_lmce; 1395 1396 /* Compatibility bits for old machine types. 1397 * If true present virtual l3 cache for VM, the vcpus in the same virtual 1398 * socket share an virtual l3 cache. 1399 */ 1400 bool enable_l3_cache; 1401 1402 /* Compatibility bits for old machine types. 1403 * If true present the old cache topology information 1404 */ 1405 bool legacy_cache; 1406 1407 /* Compatibility bits for old machine types: */ 1408 bool enable_cpuid_0xb; 1409 1410 /* Enable auto level-increase for all CPUID leaves */ 1411 bool full_cpuid_auto_level; 1412 1413 /* if true fill the top bits of the MTRR_PHYSMASKn variable range */ 1414 bool fill_mtrr_mask; 1415 1416 /* if true override the phys_bits value with a value read from the host */ 1417 bool host_phys_bits; 1418 1419 /* Stop SMI delivery for migration compatibility with old machines */ 1420 bool kvm_no_smi_migration; 1421 1422 /* Number of physical address bits supported */ 1423 uint32_t phys_bits; 1424 1425 /* in order to simplify APIC support, we leave this pointer to the 1426 user */ 1427 struct DeviceState *apic_state; 1428 struct MemoryRegion *cpu_as_root, *cpu_as_mem, *smram; 1429 Notifier machine_done; 1430 1431 struct kvm_msrs *kvm_msr_buf; 1432 1433 int32_t node_id; /* NUMA node this CPU belongs to */ 1434 int32_t socket_id; 1435 int32_t core_id; 1436 int32_t thread_id; 1437 1438 int32_t hv_max_vps; 1439 }; 1440 1441 static inline X86CPU *x86_env_get_cpu(CPUX86State *env) 1442 { 1443 return container_of(env, X86CPU, env); 1444 } 1445 1446 #define ENV_GET_CPU(e) CPU(x86_env_get_cpu(e)) 1447 1448 #define ENV_OFFSET offsetof(X86CPU, env) 1449 1450 #ifndef CONFIG_USER_ONLY 1451 extern struct VMStateDescription vmstate_x86_cpu; 1452 #endif 1453 1454 /** 1455 * x86_cpu_do_interrupt: 1456 * @cpu: vCPU the interrupt is to be handled by. 1457 */ 1458 void x86_cpu_do_interrupt(CPUState *cpu); 1459 bool x86_cpu_exec_interrupt(CPUState *cpu, int int_req); 1460 1461 int x86_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cpu, 1462 int cpuid, void *opaque); 1463 int x86_cpu_write_elf32_note(WriteCoreDumpFunction f, CPUState *cpu, 1464 int cpuid, void *opaque); 1465 int x86_cpu_write_elf64_qemunote(WriteCoreDumpFunction f, CPUState *cpu, 1466 void *opaque); 1467 int x86_cpu_write_elf32_qemunote(WriteCoreDumpFunction f, CPUState *cpu, 1468 void *opaque); 1469 1470 void x86_cpu_get_memory_mapping(CPUState *cpu, MemoryMappingList *list, 1471 Error **errp); 1472 1473 void x86_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf, 1474 int flags); 1475 1476 hwaddr x86_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); 1477 1478 int x86_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg); 1479 int x86_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); 1480 1481 void x86_cpu_exec_enter(CPUState *cpu); 1482 void x86_cpu_exec_exit(CPUState *cpu); 1483 1484 void x86_cpu_list(FILE *f, fprintf_function cpu_fprintf); 1485 int cpu_x86_support_mca_broadcast(CPUX86State *env); 1486 1487 int cpu_get_pic_interrupt(CPUX86State *s); 1488 /* MSDOS compatibility mode FPU exception support */ 1489 void cpu_set_ferr(CPUX86State *s); 1490 1491 /* this function must always be used to load data in the segment 1492 cache: it synchronizes the hflags with the segment cache values */ 1493 static inline void cpu_x86_load_seg_cache(CPUX86State *env, 1494 int seg_reg, unsigned int selector, 1495 target_ulong base, 1496 unsigned int limit, 1497 unsigned int flags) 1498 { 1499 SegmentCache *sc; 1500 unsigned int new_hflags; 1501 1502 sc = &env->segs[seg_reg]; 1503 sc->selector = selector; 1504 sc->base = base; 1505 sc->limit = limit; 1506 sc->flags = flags; 1507 1508 /* update the hidden flags */ 1509 { 1510 if (seg_reg == R_CS) { 1511 #ifdef TARGET_X86_64 1512 if ((env->hflags & HF_LMA_MASK) && (flags & DESC_L_MASK)) { 1513 /* long mode */ 1514 env->hflags |= HF_CS32_MASK | HF_SS32_MASK | HF_CS64_MASK; 1515 env->hflags &= ~(HF_ADDSEG_MASK); 1516 } else 1517 #endif 1518 { 1519 /* legacy / compatibility case */ 1520 new_hflags = (env->segs[R_CS].flags & DESC_B_MASK) 1521 >> (DESC_B_SHIFT - HF_CS32_SHIFT); 1522 env->hflags = (env->hflags & ~(HF_CS32_MASK | HF_CS64_MASK)) | 1523 new_hflags; 1524 } 1525 } 1526 if (seg_reg == R_SS) { 1527 int cpl = (flags >> DESC_DPL_SHIFT) & 3; 1528 #if HF_CPL_MASK != 3 1529 #error HF_CPL_MASK is hardcoded 1530 #endif 1531 env->hflags = (env->hflags & ~HF_CPL_MASK) | cpl; 1532 } 1533 new_hflags = (env->segs[R_SS].flags & DESC_B_MASK) 1534 >> (DESC_B_SHIFT - HF_SS32_SHIFT); 1535 if (env->hflags & HF_CS64_MASK) { 1536 /* zero base assumed for DS, ES and SS in long mode */ 1537 } else if (!(env->cr[0] & CR0_PE_MASK) || 1538 (env->eflags & VM_MASK) || 1539 !(env->hflags & HF_CS32_MASK)) { 1540 /* XXX: try to avoid this test. The problem comes from the 1541 fact that is real mode or vm86 mode we only modify the 1542 'base' and 'selector' fields of the segment cache to go 1543 faster. A solution may be to force addseg to one in 1544 translate-i386.c. */ 1545 new_hflags |= HF_ADDSEG_MASK; 1546 } else { 1547 new_hflags |= ((env->segs[R_DS].base | 1548 env->segs[R_ES].base | 1549 env->segs[R_SS].base) != 0) << 1550 HF_ADDSEG_SHIFT; 1551 } 1552 env->hflags = (env->hflags & 1553 ~(HF_SS32_MASK | HF_ADDSEG_MASK)) | new_hflags; 1554 } 1555 } 1556 1557 static inline void cpu_x86_load_seg_cache_sipi(X86CPU *cpu, 1558 uint8_t sipi_vector) 1559 { 1560 CPUState *cs = CPU(cpu); 1561 CPUX86State *env = &cpu->env; 1562 1563 env->eip = 0; 1564 cpu_x86_load_seg_cache(env, R_CS, sipi_vector << 8, 1565 sipi_vector << 12, 1566 env->segs[R_CS].limit, 1567 env->segs[R_CS].flags); 1568 cs->halted = 0; 1569 } 1570 1571 int cpu_x86_get_descr_debug(CPUX86State *env, unsigned int selector, 1572 target_ulong *base, unsigned int *limit, 1573 unsigned int *flags); 1574 1575 /* op_helper.c */ 1576 /* used for debug or cpu save/restore */ 1577 1578 /* cpu-exec.c */ 1579 /* the following helpers are only usable in user mode simulation as 1580 they can trigger unexpected exceptions */ 1581 void cpu_x86_load_seg(CPUX86State *s, int seg_reg, int selector); 1582 void cpu_x86_fsave(CPUX86State *s, target_ulong ptr, int data32); 1583 void cpu_x86_frstor(CPUX86State *s, target_ulong ptr, int data32); 1584 void cpu_x86_fxsave(CPUX86State *s, target_ulong ptr); 1585 void cpu_x86_fxrstor(CPUX86State *s, target_ulong ptr); 1586 1587 /* you can call this signal handler from your SIGBUS and SIGSEGV 1588 signal handlers to inform the virtual CPU of exceptions. non zero 1589 is returned if the signal was handled by the virtual CPU. */ 1590 int cpu_x86_signal_handler(int host_signum, void *pinfo, 1591 void *puc); 1592 1593 /* cpu.c */ 1594 void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count, 1595 uint32_t *eax, uint32_t *ebx, 1596 uint32_t *ecx, uint32_t *edx); 1597 void cpu_clear_apic_feature(CPUX86State *env); 1598 void host_cpuid(uint32_t function, uint32_t count, 1599 uint32_t *eax, uint32_t *ebx, uint32_t *ecx, uint32_t *edx); 1600 void host_vendor_fms(char *vendor, int *family, int *model, int *stepping); 1601 1602 /* helper.c */ 1603 int x86_cpu_handle_mmu_fault(CPUState *cpu, vaddr addr, int size, 1604 int is_write, int mmu_idx); 1605 void x86_cpu_set_a20(X86CPU *cpu, int a20_state); 1606 1607 #ifndef CONFIG_USER_ONLY 1608 static inline int x86_asidx_from_attrs(CPUState *cs, MemTxAttrs attrs) 1609 { 1610 return !!attrs.secure; 1611 } 1612 1613 static inline AddressSpace *cpu_addressspace(CPUState *cs, MemTxAttrs attrs) 1614 { 1615 return cpu_get_address_space(cs, cpu_asidx_from_attrs(cs, attrs)); 1616 } 1617 1618 uint8_t x86_ldub_phys(CPUState *cs, hwaddr addr); 1619 uint32_t x86_lduw_phys(CPUState *cs, hwaddr addr); 1620 uint32_t x86_ldl_phys(CPUState *cs, hwaddr addr); 1621 uint64_t x86_ldq_phys(CPUState *cs, hwaddr addr); 1622 void x86_stb_phys(CPUState *cs, hwaddr addr, uint8_t val); 1623 void x86_stl_phys_notdirty(CPUState *cs, hwaddr addr, uint32_t val); 1624 void x86_stw_phys(CPUState *cs, hwaddr addr, uint32_t val); 1625 void x86_stl_phys(CPUState *cs, hwaddr addr, uint32_t val); 1626 void x86_stq_phys(CPUState *cs, hwaddr addr, uint64_t val); 1627 #endif 1628 1629 void breakpoint_handler(CPUState *cs); 1630 1631 /* will be suppressed */ 1632 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0); 1633 void cpu_x86_update_cr3(CPUX86State *env, target_ulong new_cr3); 1634 void cpu_x86_update_cr4(CPUX86State *env, uint32_t new_cr4); 1635 void cpu_x86_update_dr7(CPUX86State *env, uint32_t new_dr7); 1636 1637 /* hw/pc.c */ 1638 uint64_t cpu_get_tsc(CPUX86State *env); 1639 1640 #define TARGET_PAGE_BITS 12 1641 1642 #ifdef TARGET_X86_64 1643 #define TARGET_PHYS_ADDR_SPACE_BITS 52 1644 /* ??? This is really 48 bits, sign-extended, but the only thing 1645 accessible to userland with bit 48 set is the VSYSCALL, and that 1646 is handled via other mechanisms. */ 1647 #define TARGET_VIRT_ADDR_SPACE_BITS 47 1648 #else 1649 #define TARGET_PHYS_ADDR_SPACE_BITS 36 1650 #define TARGET_VIRT_ADDR_SPACE_BITS 32 1651 #endif 1652 1653 /* XXX: This value should match the one returned by CPUID 1654 * and in exec.c */ 1655 # if defined(TARGET_X86_64) 1656 # define TCG_PHYS_ADDR_BITS 40 1657 # else 1658 # define TCG_PHYS_ADDR_BITS 36 1659 # endif 1660 1661 #define PHYS_ADDR_MASK MAKE_64BIT_MASK(0, TCG_PHYS_ADDR_BITS) 1662 1663 #define X86_CPU_TYPE_SUFFIX "-" TYPE_X86_CPU 1664 #define X86_CPU_TYPE_NAME(name) (name X86_CPU_TYPE_SUFFIX) 1665 #define CPU_RESOLVING_TYPE TYPE_X86_CPU 1666 1667 #ifdef TARGET_X86_64 1668 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu64") 1669 #else 1670 #define TARGET_DEFAULT_CPU_TYPE X86_CPU_TYPE_NAME("qemu32") 1671 #endif 1672 1673 #define cpu_signal_handler cpu_x86_signal_handler 1674 #define cpu_list x86_cpu_list 1675 1676 /* MMU modes definitions */ 1677 #define MMU_MODE0_SUFFIX _ksmap 1678 #define MMU_MODE1_SUFFIX _user 1679 #define MMU_MODE2_SUFFIX _knosmap /* SMAP disabled or CPL<3 && AC=1 */ 1680 #define MMU_KSMAP_IDX 0 1681 #define MMU_USER_IDX 1 1682 #define MMU_KNOSMAP_IDX 2 1683 static inline int cpu_mmu_index(CPUX86State *env, bool ifetch) 1684 { 1685 return (env->hflags & HF_CPL_MASK) == 3 ? MMU_USER_IDX : 1686 (!(env->hflags & HF_SMAP_MASK) || (env->eflags & AC_MASK)) 1687 ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX; 1688 } 1689 1690 static inline int cpu_mmu_index_kernel(CPUX86State *env) 1691 { 1692 return !(env->hflags & HF_SMAP_MASK) ? MMU_KNOSMAP_IDX : 1693 ((env->hflags & HF_CPL_MASK) < 3 && (env->eflags & AC_MASK)) 1694 ? MMU_KNOSMAP_IDX : MMU_KSMAP_IDX; 1695 } 1696 1697 #define CC_DST (env->cc_dst) 1698 #define CC_SRC (env->cc_src) 1699 #define CC_SRC2 (env->cc_src2) 1700 #define CC_OP (env->cc_op) 1701 1702 /* n must be a constant to be efficient */ 1703 static inline target_long lshift(target_long x, int n) 1704 { 1705 if (n >= 0) { 1706 return x << n; 1707 } else { 1708 return x >> (-n); 1709 } 1710 } 1711 1712 /* float macros */ 1713 #define FT0 (env->ft0) 1714 #define ST0 (env->fpregs[env->fpstt].d) 1715 #define ST(n) (env->fpregs[(env->fpstt + (n)) & 7].d) 1716 #define ST1 ST(1) 1717 1718 /* translate.c */ 1719 void tcg_x86_init(void); 1720 1721 #include "exec/cpu-all.h" 1722 #include "svm.h" 1723 1724 #if !defined(CONFIG_USER_ONLY) 1725 #include "hw/i386/apic.h" 1726 #endif 1727 1728 static inline void cpu_get_tb_cpu_state(CPUX86State *env, target_ulong *pc, 1729 target_ulong *cs_base, uint32_t *flags) 1730 { 1731 *cs_base = env->segs[R_CS].base; 1732 *pc = *cs_base + env->eip; 1733 *flags = env->hflags | 1734 (env->eflags & (IOPL_MASK | TF_MASK | RF_MASK | VM_MASK | AC_MASK)); 1735 } 1736 1737 void do_cpu_init(X86CPU *cpu); 1738 void do_cpu_sipi(X86CPU *cpu); 1739 1740 #define MCE_INJECT_BROADCAST 1 1741 #define MCE_INJECT_UNCOND_AO 2 1742 1743 void cpu_x86_inject_mce(Monitor *mon, X86CPU *cpu, int bank, 1744 uint64_t status, uint64_t mcg_status, uint64_t addr, 1745 uint64_t misc, int flags); 1746 1747 /* excp_helper.c */ 1748 void QEMU_NORETURN raise_exception(CPUX86State *env, int exception_index); 1749 void QEMU_NORETURN raise_exception_ra(CPUX86State *env, int exception_index, 1750 uintptr_t retaddr); 1751 void QEMU_NORETURN raise_exception_err(CPUX86State *env, int exception_index, 1752 int error_code); 1753 void QEMU_NORETURN raise_exception_err_ra(CPUX86State *env, int exception_index, 1754 int error_code, uintptr_t retaddr); 1755 void QEMU_NORETURN raise_interrupt(CPUX86State *nenv, int intno, int is_int, 1756 int error_code, int next_eip_addend); 1757 1758 /* cc_helper.c */ 1759 extern const uint8_t parity_table[256]; 1760 uint32_t cpu_cc_compute_all(CPUX86State *env1, int op); 1761 1762 static inline uint32_t cpu_compute_eflags(CPUX86State *env) 1763 { 1764 uint32_t eflags = env->eflags; 1765 if (tcg_enabled()) { 1766 eflags |= cpu_cc_compute_all(env, CC_OP) | (env->df & DF_MASK); 1767 } 1768 return eflags; 1769 } 1770 1771 /* NOTE: the translator must set DisasContext.cc_op to CC_OP_EFLAGS 1772 * after generating a call to a helper that uses this. 1773 */ 1774 static inline void cpu_load_eflags(CPUX86State *env, int eflags, 1775 int update_mask) 1776 { 1777 CC_SRC = eflags & (CC_O | CC_S | CC_Z | CC_A | CC_P | CC_C); 1778 CC_OP = CC_OP_EFLAGS; 1779 env->df = 1 - (2 * ((eflags >> 10) & 1)); 1780 env->eflags = (env->eflags & ~update_mask) | 1781 (eflags & update_mask) | 0x2; 1782 } 1783 1784 /* load efer and update the corresponding hflags. XXX: do consistency 1785 checks with cpuid bits? */ 1786 static inline void cpu_load_efer(CPUX86State *env, uint64_t val) 1787 { 1788 env->efer = val; 1789 env->hflags &= ~(HF_LMA_MASK | HF_SVME_MASK); 1790 if (env->efer & MSR_EFER_LMA) { 1791 env->hflags |= HF_LMA_MASK; 1792 } 1793 if (env->efer & MSR_EFER_SVME) { 1794 env->hflags |= HF_SVME_MASK; 1795 } 1796 } 1797 1798 static inline MemTxAttrs cpu_get_mem_attrs(CPUX86State *env) 1799 { 1800 return ((MemTxAttrs) { .secure = (env->hflags & HF_SMM_MASK) != 0 }); 1801 } 1802 1803 static inline int32_t x86_get_a20_mask(CPUX86State *env) 1804 { 1805 if (env->hflags & HF_SMM_MASK) { 1806 return -1; 1807 } else { 1808 return env->a20_mask; 1809 } 1810 } 1811 1812 /* fpu_helper.c */ 1813 void update_fp_status(CPUX86State *env); 1814 void update_mxcsr_status(CPUX86State *env); 1815 1816 static inline void cpu_set_mxcsr(CPUX86State *env, uint32_t mxcsr) 1817 { 1818 env->mxcsr = mxcsr; 1819 if (tcg_enabled()) { 1820 update_mxcsr_status(env); 1821 } 1822 } 1823 1824 static inline void cpu_set_fpuc(CPUX86State *env, uint16_t fpuc) 1825 { 1826 env->fpuc = fpuc; 1827 if (tcg_enabled()) { 1828 update_fp_status(env); 1829 } 1830 } 1831 1832 /* mem_helper.c */ 1833 void helper_lock_init(void); 1834 1835 /* svm_helper.c */ 1836 void cpu_svm_check_intercept_param(CPUX86State *env1, uint32_t type, 1837 uint64_t param, uintptr_t retaddr); 1838 void cpu_vmexit(CPUX86State *nenv, uint32_t exit_code, uint64_t exit_info_1, 1839 uintptr_t retaddr); 1840 void do_vmexit(CPUX86State *env, uint32_t exit_code, uint64_t exit_info_1); 1841 1842 /* seg_helper.c */ 1843 void do_interrupt_x86_hardirq(CPUX86State *env, int intno, int is_hw); 1844 1845 /* smm_helper.c */ 1846 void do_smm_enter(X86CPU *cpu); 1847 1848 /* apic.c */ 1849 void cpu_report_tpr_access(CPUX86State *env, TPRAccess access); 1850 void apic_handle_tpr_access_report(DeviceState *d, target_ulong ip, 1851 TPRAccess access); 1852 1853 1854 /* Change the value of a KVM-specific default 1855 * 1856 * If value is NULL, no default will be set and the original 1857 * value from the CPU model table will be kept. 1858 * 1859 * It is valid to call this function only for properties that 1860 * are already present in the kvm_default_props table. 1861 */ 1862 void x86_cpu_change_kvm_default(const char *prop, const char *value); 1863 1864 /* mpx_helper.c */ 1865 void cpu_sync_bndcs_hflags(CPUX86State *env); 1866 1867 /* Return name of 32-bit register, from a R_* constant */ 1868 const char *get_register_name_32(unsigned int reg); 1869 1870 void enable_compat_apic_id_mode(void); 1871 1872 #define APIC_DEFAULT_ADDRESS 0xfee00000 1873 #define APIC_SPACE_SIZE 0x100000 1874 1875 void x86_cpu_dump_local_apic_state(CPUState *cs, FILE *f, 1876 fprintf_function cpu_fprintf, int flags); 1877 1878 /* cpu.c */ 1879 bool cpu_is_bsp(X86CPU *cpu); 1880 1881 void x86_cpu_xrstor_all_areas(X86CPU *cpu, const X86XSaveArea *buf); 1882 void x86_cpu_xsave_all_areas(X86CPU *cpu, X86XSaveArea *buf); 1883 void x86_update_hflags(CPUX86State* env); 1884 1885 #endif /* I386_CPU_H */ 1886