b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| 2 | /* |
| 3 | * tools/testing/selftests/kvm/include/vmx.h |
| 4 | * |
| 5 | * Copyright (C) 2018, Red Hat, Inc. |
| 6 | * |
| 7 | */ |
| 8 | |
| 9 | #ifndef SELFTEST_KVM_EVMCS_H |
| 10 | #define SELFTEST_KVM_EVMCS_H |
| 11 | |
| 12 | #include <stdint.h> |
| 13 | #include "vmx.h" |
| 14 | |
| 15 | #define u16 uint16_t |
| 16 | #define u32 uint32_t |
| 17 | #define u64 uint64_t |
| 18 | |
| 19 | extern bool enable_evmcs; |
| 20 | |
| 21 | struct hv_vp_assist_page { |
| 22 | __u32 apic_assist; |
| 23 | __u32 reserved; |
| 24 | __u64 vtl_control[2]; |
| 25 | __u64 nested_enlightenments_control[2]; |
| 26 | __u32 enlighten_vmentry; |
| 27 | __u64 current_nested_vmcs; |
| 28 | }; |
| 29 | |
| 30 | struct hv_enlightened_vmcs { |
| 31 | u32 revision_id; |
| 32 | u32 abort; |
| 33 | |
| 34 | u16 host_es_selector; |
| 35 | u16 host_cs_selector; |
| 36 | u16 host_ss_selector; |
| 37 | u16 host_ds_selector; |
| 38 | u16 host_fs_selector; |
| 39 | u16 host_gs_selector; |
| 40 | u16 host_tr_selector; |
| 41 | |
| 42 | u64 host_ia32_pat; |
| 43 | u64 host_ia32_efer; |
| 44 | |
| 45 | u64 host_cr0; |
| 46 | u64 host_cr3; |
| 47 | u64 host_cr4; |
| 48 | |
| 49 | u64 host_ia32_sysenter_esp; |
| 50 | u64 host_ia32_sysenter_eip; |
| 51 | u64 host_rip; |
| 52 | u32 host_ia32_sysenter_cs; |
| 53 | |
| 54 | u32 pin_based_vm_exec_control; |
| 55 | u32 vm_exit_controls; |
| 56 | u32 secondary_vm_exec_control; |
| 57 | |
| 58 | u64 io_bitmap_a; |
| 59 | u64 io_bitmap_b; |
| 60 | u64 msr_bitmap; |
| 61 | |
| 62 | u16 guest_es_selector; |
| 63 | u16 guest_cs_selector; |
| 64 | u16 guest_ss_selector; |
| 65 | u16 guest_ds_selector; |
| 66 | u16 guest_fs_selector; |
| 67 | u16 guest_gs_selector; |
| 68 | u16 guest_ldtr_selector; |
| 69 | u16 guest_tr_selector; |
| 70 | |
| 71 | u32 guest_es_limit; |
| 72 | u32 guest_cs_limit; |
| 73 | u32 guest_ss_limit; |
| 74 | u32 guest_ds_limit; |
| 75 | u32 guest_fs_limit; |
| 76 | u32 guest_gs_limit; |
| 77 | u32 guest_ldtr_limit; |
| 78 | u32 guest_tr_limit; |
| 79 | u32 guest_gdtr_limit; |
| 80 | u32 guest_idtr_limit; |
| 81 | |
| 82 | u32 guest_es_ar_bytes; |
| 83 | u32 guest_cs_ar_bytes; |
| 84 | u32 guest_ss_ar_bytes; |
| 85 | u32 guest_ds_ar_bytes; |
| 86 | u32 guest_fs_ar_bytes; |
| 87 | u32 guest_gs_ar_bytes; |
| 88 | u32 guest_ldtr_ar_bytes; |
| 89 | u32 guest_tr_ar_bytes; |
| 90 | |
| 91 | u64 guest_es_base; |
| 92 | u64 guest_cs_base; |
| 93 | u64 guest_ss_base; |
| 94 | u64 guest_ds_base; |
| 95 | u64 guest_fs_base; |
| 96 | u64 guest_gs_base; |
| 97 | u64 guest_ldtr_base; |
| 98 | u64 guest_tr_base; |
| 99 | u64 guest_gdtr_base; |
| 100 | u64 guest_idtr_base; |
| 101 | |
| 102 | u64 padding64_1[3]; |
| 103 | |
| 104 | u64 vm_exit_msr_store_addr; |
| 105 | u64 vm_exit_msr_load_addr; |
| 106 | u64 vm_entry_msr_load_addr; |
| 107 | |
| 108 | u64 cr3_target_value0; |
| 109 | u64 cr3_target_value1; |
| 110 | u64 cr3_target_value2; |
| 111 | u64 cr3_target_value3; |
| 112 | |
| 113 | u32 page_fault_error_code_mask; |
| 114 | u32 page_fault_error_code_match; |
| 115 | |
| 116 | u32 cr3_target_count; |
| 117 | u32 vm_exit_msr_store_count; |
| 118 | u32 vm_exit_msr_load_count; |
| 119 | u32 vm_entry_msr_load_count; |
| 120 | |
| 121 | u64 tsc_offset; |
| 122 | u64 virtual_apic_page_addr; |
| 123 | u64 vmcs_link_pointer; |
| 124 | |
| 125 | u64 guest_ia32_debugctl; |
| 126 | u64 guest_ia32_pat; |
| 127 | u64 guest_ia32_efer; |
| 128 | |
| 129 | u64 guest_pdptr0; |
| 130 | u64 guest_pdptr1; |
| 131 | u64 guest_pdptr2; |
| 132 | u64 guest_pdptr3; |
| 133 | |
| 134 | u64 guest_pending_dbg_exceptions; |
| 135 | u64 guest_sysenter_esp; |
| 136 | u64 guest_sysenter_eip; |
| 137 | |
| 138 | u32 guest_activity_state; |
| 139 | u32 guest_sysenter_cs; |
| 140 | |
| 141 | u64 cr0_guest_host_mask; |
| 142 | u64 cr4_guest_host_mask; |
| 143 | u64 cr0_read_shadow; |
| 144 | u64 cr4_read_shadow; |
| 145 | u64 guest_cr0; |
| 146 | u64 guest_cr3; |
| 147 | u64 guest_cr4; |
| 148 | u64 guest_dr7; |
| 149 | |
| 150 | u64 host_fs_base; |
| 151 | u64 host_gs_base; |
| 152 | u64 host_tr_base; |
| 153 | u64 host_gdtr_base; |
| 154 | u64 host_idtr_base; |
| 155 | u64 host_rsp; |
| 156 | |
| 157 | u64 ept_pointer; |
| 158 | |
| 159 | u16 virtual_processor_id; |
| 160 | u16 padding16[3]; |
| 161 | |
| 162 | u64 padding64_2[5]; |
| 163 | u64 guest_physical_address; |
| 164 | |
| 165 | u32 vm_instruction_error; |
| 166 | u32 vm_exit_reason; |
| 167 | u32 vm_exit_intr_info; |
| 168 | u32 vm_exit_intr_error_code; |
| 169 | u32 idt_vectoring_info_field; |
| 170 | u32 idt_vectoring_error_code; |
| 171 | u32 vm_exit_instruction_len; |
| 172 | u32 vmx_instruction_info; |
| 173 | |
| 174 | u64 exit_qualification; |
| 175 | u64 exit_io_instruction_ecx; |
| 176 | u64 exit_io_instruction_esi; |
| 177 | u64 exit_io_instruction_edi; |
| 178 | u64 exit_io_instruction_eip; |
| 179 | |
| 180 | u64 guest_linear_address; |
| 181 | u64 guest_rsp; |
| 182 | u64 guest_rflags; |
| 183 | |
| 184 | u32 guest_interruptibility_info; |
| 185 | u32 cpu_based_vm_exec_control; |
| 186 | u32 exception_bitmap; |
| 187 | u32 vm_entry_controls; |
| 188 | u32 vm_entry_intr_info_field; |
| 189 | u32 vm_entry_exception_error_code; |
| 190 | u32 vm_entry_instruction_len; |
| 191 | u32 tpr_threshold; |
| 192 | |
| 193 | u64 guest_rip; |
| 194 | |
| 195 | u32 hv_clean_fields; |
| 196 | u32 hv_padding_32; |
| 197 | u32 hv_synthetic_controls; |
| 198 | struct { |
| 199 | u32 nested_flush_hypercall:1; |
| 200 | u32 msr_bitmap:1; |
| 201 | u32 reserved:30; |
| 202 | } hv_enlightenments_control; |
| 203 | u32 hv_vp_id; |
| 204 | |
| 205 | u64 hv_vm_id; |
| 206 | u64 partition_assist_page; |
| 207 | u64 padding64_4[4]; |
| 208 | u64 guest_bndcfgs; |
| 209 | u64 padding64_5[7]; |
| 210 | u64 xss_exit_bitmap; |
| 211 | u64 padding64_6[7]; |
| 212 | }; |
| 213 | |
| 214 | #define HV_X64_MSR_VP_ASSIST_PAGE 0x40000073 |
| 215 | #define HV_X64_MSR_VP_ASSIST_PAGE_ENABLE 0x00000001 |
| 216 | #define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT 12 |
| 217 | #define HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_MASK \ |
| 218 | (~((1ull << HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_SHIFT) - 1)) |
| 219 | |
| 220 | extern struct hv_enlightened_vmcs *current_evmcs; |
| 221 | extern struct hv_vp_assist_page *current_vp_assist; |
| 222 | |
| 223 | int vcpu_enable_evmcs(struct kvm_vm *vm, int vcpu_id); |
| 224 | |
| 225 | static inline int enable_vp_assist(uint64_t vp_assist_pa, void *vp_assist) |
| 226 | { |
| 227 | u64 val = (vp_assist_pa & HV_X64_MSR_VP_ASSIST_PAGE_ADDRESS_MASK) | |
| 228 | HV_X64_MSR_VP_ASSIST_PAGE_ENABLE; |
| 229 | |
| 230 | wrmsr(HV_X64_MSR_VP_ASSIST_PAGE, val); |
| 231 | |
| 232 | current_vp_assist = vp_assist; |
| 233 | |
| 234 | enable_evmcs = true; |
| 235 | |
| 236 | return 0; |
| 237 | } |
| 238 | |
| 239 | static inline int evmcs_vmptrld(uint64_t vmcs_pa, void *vmcs) |
| 240 | { |
| 241 | current_vp_assist->current_nested_vmcs = vmcs_pa; |
| 242 | current_vp_assist->enlighten_vmentry = 1; |
| 243 | |
| 244 | current_evmcs = vmcs; |
| 245 | |
| 246 | return 0; |
| 247 | } |
| 248 | |
| 249 | static inline int evmcs_vmptrst(uint64_t *value) |
| 250 | { |
| 251 | *value = current_vp_assist->current_nested_vmcs & |
| 252 | ~HV_X64_MSR_VP_ASSIST_PAGE_ENABLE; |
| 253 | |
| 254 | return 0; |
| 255 | } |
| 256 | |
| 257 | static inline int evmcs_vmread(uint64_t encoding, uint64_t *value) |
| 258 | { |
| 259 | switch (encoding) { |
| 260 | case GUEST_RIP: |
| 261 | *value = current_evmcs->guest_rip; |
| 262 | break; |
| 263 | case GUEST_RSP: |
| 264 | *value = current_evmcs->guest_rsp; |
| 265 | break; |
| 266 | case GUEST_RFLAGS: |
| 267 | *value = current_evmcs->guest_rflags; |
| 268 | break; |
| 269 | case HOST_IA32_PAT: |
| 270 | *value = current_evmcs->host_ia32_pat; |
| 271 | break; |
| 272 | case HOST_IA32_EFER: |
| 273 | *value = current_evmcs->host_ia32_efer; |
| 274 | break; |
| 275 | case HOST_CR0: |
| 276 | *value = current_evmcs->host_cr0; |
| 277 | break; |
| 278 | case HOST_CR3: |
| 279 | *value = current_evmcs->host_cr3; |
| 280 | break; |
| 281 | case HOST_CR4: |
| 282 | *value = current_evmcs->host_cr4; |
| 283 | break; |
| 284 | case HOST_IA32_SYSENTER_ESP: |
| 285 | *value = current_evmcs->host_ia32_sysenter_esp; |
| 286 | break; |
| 287 | case HOST_IA32_SYSENTER_EIP: |
| 288 | *value = current_evmcs->host_ia32_sysenter_eip; |
| 289 | break; |
| 290 | case HOST_RIP: |
| 291 | *value = current_evmcs->host_rip; |
| 292 | break; |
| 293 | case IO_BITMAP_A: |
| 294 | *value = current_evmcs->io_bitmap_a; |
| 295 | break; |
| 296 | case IO_BITMAP_B: |
| 297 | *value = current_evmcs->io_bitmap_b; |
| 298 | break; |
| 299 | case MSR_BITMAP: |
| 300 | *value = current_evmcs->msr_bitmap; |
| 301 | break; |
| 302 | case GUEST_ES_BASE: |
| 303 | *value = current_evmcs->guest_es_base; |
| 304 | break; |
| 305 | case GUEST_CS_BASE: |
| 306 | *value = current_evmcs->guest_cs_base; |
| 307 | break; |
| 308 | case GUEST_SS_BASE: |
| 309 | *value = current_evmcs->guest_ss_base; |
| 310 | break; |
| 311 | case GUEST_DS_BASE: |
| 312 | *value = current_evmcs->guest_ds_base; |
| 313 | break; |
| 314 | case GUEST_FS_BASE: |
| 315 | *value = current_evmcs->guest_fs_base; |
| 316 | break; |
| 317 | case GUEST_GS_BASE: |
| 318 | *value = current_evmcs->guest_gs_base; |
| 319 | break; |
| 320 | case GUEST_LDTR_BASE: |
| 321 | *value = current_evmcs->guest_ldtr_base; |
| 322 | break; |
| 323 | case GUEST_TR_BASE: |
| 324 | *value = current_evmcs->guest_tr_base; |
| 325 | break; |
| 326 | case GUEST_GDTR_BASE: |
| 327 | *value = current_evmcs->guest_gdtr_base; |
| 328 | break; |
| 329 | case GUEST_IDTR_BASE: |
| 330 | *value = current_evmcs->guest_idtr_base; |
| 331 | break; |
| 332 | case TSC_OFFSET: |
| 333 | *value = current_evmcs->tsc_offset; |
| 334 | break; |
| 335 | case VIRTUAL_APIC_PAGE_ADDR: |
| 336 | *value = current_evmcs->virtual_apic_page_addr; |
| 337 | break; |
| 338 | case VMCS_LINK_POINTER: |
| 339 | *value = current_evmcs->vmcs_link_pointer; |
| 340 | break; |
| 341 | case GUEST_IA32_DEBUGCTL: |
| 342 | *value = current_evmcs->guest_ia32_debugctl; |
| 343 | break; |
| 344 | case GUEST_IA32_PAT: |
| 345 | *value = current_evmcs->guest_ia32_pat; |
| 346 | break; |
| 347 | case GUEST_IA32_EFER: |
| 348 | *value = current_evmcs->guest_ia32_efer; |
| 349 | break; |
| 350 | case GUEST_PDPTR0: |
| 351 | *value = current_evmcs->guest_pdptr0; |
| 352 | break; |
| 353 | case GUEST_PDPTR1: |
| 354 | *value = current_evmcs->guest_pdptr1; |
| 355 | break; |
| 356 | case GUEST_PDPTR2: |
| 357 | *value = current_evmcs->guest_pdptr2; |
| 358 | break; |
| 359 | case GUEST_PDPTR3: |
| 360 | *value = current_evmcs->guest_pdptr3; |
| 361 | break; |
| 362 | case GUEST_PENDING_DBG_EXCEPTIONS: |
| 363 | *value = current_evmcs->guest_pending_dbg_exceptions; |
| 364 | break; |
| 365 | case GUEST_SYSENTER_ESP: |
| 366 | *value = current_evmcs->guest_sysenter_esp; |
| 367 | break; |
| 368 | case GUEST_SYSENTER_EIP: |
| 369 | *value = current_evmcs->guest_sysenter_eip; |
| 370 | break; |
| 371 | case CR0_GUEST_HOST_MASK: |
| 372 | *value = current_evmcs->cr0_guest_host_mask; |
| 373 | break; |
| 374 | case CR4_GUEST_HOST_MASK: |
| 375 | *value = current_evmcs->cr4_guest_host_mask; |
| 376 | break; |
| 377 | case CR0_READ_SHADOW: |
| 378 | *value = current_evmcs->cr0_read_shadow; |
| 379 | break; |
| 380 | case CR4_READ_SHADOW: |
| 381 | *value = current_evmcs->cr4_read_shadow; |
| 382 | break; |
| 383 | case GUEST_CR0: |
| 384 | *value = current_evmcs->guest_cr0; |
| 385 | break; |
| 386 | case GUEST_CR3: |
| 387 | *value = current_evmcs->guest_cr3; |
| 388 | break; |
| 389 | case GUEST_CR4: |
| 390 | *value = current_evmcs->guest_cr4; |
| 391 | break; |
| 392 | case GUEST_DR7: |
| 393 | *value = current_evmcs->guest_dr7; |
| 394 | break; |
| 395 | case HOST_FS_BASE: |
| 396 | *value = current_evmcs->host_fs_base; |
| 397 | break; |
| 398 | case HOST_GS_BASE: |
| 399 | *value = current_evmcs->host_gs_base; |
| 400 | break; |
| 401 | case HOST_TR_BASE: |
| 402 | *value = current_evmcs->host_tr_base; |
| 403 | break; |
| 404 | case HOST_GDTR_BASE: |
| 405 | *value = current_evmcs->host_gdtr_base; |
| 406 | break; |
| 407 | case HOST_IDTR_BASE: |
| 408 | *value = current_evmcs->host_idtr_base; |
| 409 | break; |
| 410 | case HOST_RSP: |
| 411 | *value = current_evmcs->host_rsp; |
| 412 | break; |
| 413 | case EPT_POINTER: |
| 414 | *value = current_evmcs->ept_pointer; |
| 415 | break; |
| 416 | case GUEST_BNDCFGS: |
| 417 | *value = current_evmcs->guest_bndcfgs; |
| 418 | break; |
| 419 | case XSS_EXIT_BITMAP: |
| 420 | *value = current_evmcs->xss_exit_bitmap; |
| 421 | break; |
| 422 | case GUEST_PHYSICAL_ADDRESS: |
| 423 | *value = current_evmcs->guest_physical_address; |
| 424 | break; |
| 425 | case EXIT_QUALIFICATION: |
| 426 | *value = current_evmcs->exit_qualification; |
| 427 | break; |
| 428 | case GUEST_LINEAR_ADDRESS: |
| 429 | *value = current_evmcs->guest_linear_address; |
| 430 | break; |
| 431 | case VM_EXIT_MSR_STORE_ADDR: |
| 432 | *value = current_evmcs->vm_exit_msr_store_addr; |
| 433 | break; |
| 434 | case VM_EXIT_MSR_LOAD_ADDR: |
| 435 | *value = current_evmcs->vm_exit_msr_load_addr; |
| 436 | break; |
| 437 | case VM_ENTRY_MSR_LOAD_ADDR: |
| 438 | *value = current_evmcs->vm_entry_msr_load_addr; |
| 439 | break; |
| 440 | case CR3_TARGET_VALUE0: |
| 441 | *value = current_evmcs->cr3_target_value0; |
| 442 | break; |
| 443 | case CR3_TARGET_VALUE1: |
| 444 | *value = current_evmcs->cr3_target_value1; |
| 445 | break; |
| 446 | case CR3_TARGET_VALUE2: |
| 447 | *value = current_evmcs->cr3_target_value2; |
| 448 | break; |
| 449 | case CR3_TARGET_VALUE3: |
| 450 | *value = current_evmcs->cr3_target_value3; |
| 451 | break; |
| 452 | case TPR_THRESHOLD: |
| 453 | *value = current_evmcs->tpr_threshold; |
| 454 | break; |
| 455 | case GUEST_INTERRUPTIBILITY_INFO: |
| 456 | *value = current_evmcs->guest_interruptibility_info; |
| 457 | break; |
| 458 | case CPU_BASED_VM_EXEC_CONTROL: |
| 459 | *value = current_evmcs->cpu_based_vm_exec_control; |
| 460 | break; |
| 461 | case EXCEPTION_BITMAP: |
| 462 | *value = current_evmcs->exception_bitmap; |
| 463 | break; |
| 464 | case VM_ENTRY_CONTROLS: |
| 465 | *value = current_evmcs->vm_entry_controls; |
| 466 | break; |
| 467 | case VM_ENTRY_INTR_INFO_FIELD: |
| 468 | *value = current_evmcs->vm_entry_intr_info_field; |
| 469 | break; |
| 470 | case VM_ENTRY_EXCEPTION_ERROR_CODE: |
| 471 | *value = current_evmcs->vm_entry_exception_error_code; |
| 472 | break; |
| 473 | case VM_ENTRY_INSTRUCTION_LEN: |
| 474 | *value = current_evmcs->vm_entry_instruction_len; |
| 475 | break; |
| 476 | case HOST_IA32_SYSENTER_CS: |
| 477 | *value = current_evmcs->host_ia32_sysenter_cs; |
| 478 | break; |
| 479 | case PIN_BASED_VM_EXEC_CONTROL: |
| 480 | *value = current_evmcs->pin_based_vm_exec_control; |
| 481 | break; |
| 482 | case VM_EXIT_CONTROLS: |
| 483 | *value = current_evmcs->vm_exit_controls; |
| 484 | break; |
| 485 | case SECONDARY_VM_EXEC_CONTROL: |
| 486 | *value = current_evmcs->secondary_vm_exec_control; |
| 487 | break; |
| 488 | case GUEST_ES_LIMIT: |
| 489 | *value = current_evmcs->guest_es_limit; |
| 490 | break; |
| 491 | case GUEST_CS_LIMIT: |
| 492 | *value = current_evmcs->guest_cs_limit; |
| 493 | break; |
| 494 | case GUEST_SS_LIMIT: |
| 495 | *value = current_evmcs->guest_ss_limit; |
| 496 | break; |
| 497 | case GUEST_DS_LIMIT: |
| 498 | *value = current_evmcs->guest_ds_limit; |
| 499 | break; |
| 500 | case GUEST_FS_LIMIT: |
| 501 | *value = current_evmcs->guest_fs_limit; |
| 502 | break; |
| 503 | case GUEST_GS_LIMIT: |
| 504 | *value = current_evmcs->guest_gs_limit; |
| 505 | break; |
| 506 | case GUEST_LDTR_LIMIT: |
| 507 | *value = current_evmcs->guest_ldtr_limit; |
| 508 | break; |
| 509 | case GUEST_TR_LIMIT: |
| 510 | *value = current_evmcs->guest_tr_limit; |
| 511 | break; |
| 512 | case GUEST_GDTR_LIMIT: |
| 513 | *value = current_evmcs->guest_gdtr_limit; |
| 514 | break; |
| 515 | case GUEST_IDTR_LIMIT: |
| 516 | *value = current_evmcs->guest_idtr_limit; |
| 517 | break; |
| 518 | case GUEST_ES_AR_BYTES: |
| 519 | *value = current_evmcs->guest_es_ar_bytes; |
| 520 | break; |
| 521 | case GUEST_CS_AR_BYTES: |
| 522 | *value = current_evmcs->guest_cs_ar_bytes; |
| 523 | break; |
| 524 | case GUEST_SS_AR_BYTES: |
| 525 | *value = current_evmcs->guest_ss_ar_bytes; |
| 526 | break; |
| 527 | case GUEST_DS_AR_BYTES: |
| 528 | *value = current_evmcs->guest_ds_ar_bytes; |
| 529 | break; |
| 530 | case GUEST_FS_AR_BYTES: |
| 531 | *value = current_evmcs->guest_fs_ar_bytes; |
| 532 | break; |
| 533 | case GUEST_GS_AR_BYTES: |
| 534 | *value = current_evmcs->guest_gs_ar_bytes; |
| 535 | break; |
| 536 | case GUEST_LDTR_AR_BYTES: |
| 537 | *value = current_evmcs->guest_ldtr_ar_bytes; |
| 538 | break; |
| 539 | case GUEST_TR_AR_BYTES: |
| 540 | *value = current_evmcs->guest_tr_ar_bytes; |
| 541 | break; |
| 542 | case GUEST_ACTIVITY_STATE: |
| 543 | *value = current_evmcs->guest_activity_state; |
| 544 | break; |
| 545 | case GUEST_SYSENTER_CS: |
| 546 | *value = current_evmcs->guest_sysenter_cs; |
| 547 | break; |
| 548 | case VM_INSTRUCTION_ERROR: |
| 549 | *value = current_evmcs->vm_instruction_error; |
| 550 | break; |
| 551 | case VM_EXIT_REASON: |
| 552 | *value = current_evmcs->vm_exit_reason; |
| 553 | break; |
| 554 | case VM_EXIT_INTR_INFO: |
| 555 | *value = current_evmcs->vm_exit_intr_info; |
| 556 | break; |
| 557 | case VM_EXIT_INTR_ERROR_CODE: |
| 558 | *value = current_evmcs->vm_exit_intr_error_code; |
| 559 | break; |
| 560 | case IDT_VECTORING_INFO_FIELD: |
| 561 | *value = current_evmcs->idt_vectoring_info_field; |
| 562 | break; |
| 563 | case IDT_VECTORING_ERROR_CODE: |
| 564 | *value = current_evmcs->idt_vectoring_error_code; |
| 565 | break; |
| 566 | case VM_EXIT_INSTRUCTION_LEN: |
| 567 | *value = current_evmcs->vm_exit_instruction_len; |
| 568 | break; |
| 569 | case VMX_INSTRUCTION_INFO: |
| 570 | *value = current_evmcs->vmx_instruction_info; |
| 571 | break; |
| 572 | case PAGE_FAULT_ERROR_CODE_MASK: |
| 573 | *value = current_evmcs->page_fault_error_code_mask; |
| 574 | break; |
| 575 | case PAGE_FAULT_ERROR_CODE_MATCH: |
| 576 | *value = current_evmcs->page_fault_error_code_match; |
| 577 | break; |
| 578 | case CR3_TARGET_COUNT: |
| 579 | *value = current_evmcs->cr3_target_count; |
| 580 | break; |
| 581 | case VM_EXIT_MSR_STORE_COUNT: |
| 582 | *value = current_evmcs->vm_exit_msr_store_count; |
| 583 | break; |
| 584 | case VM_EXIT_MSR_LOAD_COUNT: |
| 585 | *value = current_evmcs->vm_exit_msr_load_count; |
| 586 | break; |
| 587 | case VM_ENTRY_MSR_LOAD_COUNT: |
| 588 | *value = current_evmcs->vm_entry_msr_load_count; |
| 589 | break; |
| 590 | case HOST_ES_SELECTOR: |
| 591 | *value = current_evmcs->host_es_selector; |
| 592 | break; |
| 593 | case HOST_CS_SELECTOR: |
| 594 | *value = current_evmcs->host_cs_selector; |
| 595 | break; |
| 596 | case HOST_SS_SELECTOR: |
| 597 | *value = current_evmcs->host_ss_selector; |
| 598 | break; |
| 599 | case HOST_DS_SELECTOR: |
| 600 | *value = current_evmcs->host_ds_selector; |
| 601 | break; |
| 602 | case HOST_FS_SELECTOR: |
| 603 | *value = current_evmcs->host_fs_selector; |
| 604 | break; |
| 605 | case HOST_GS_SELECTOR: |
| 606 | *value = current_evmcs->host_gs_selector; |
| 607 | break; |
| 608 | case HOST_TR_SELECTOR: |
| 609 | *value = current_evmcs->host_tr_selector; |
| 610 | break; |
| 611 | case GUEST_ES_SELECTOR: |
| 612 | *value = current_evmcs->guest_es_selector; |
| 613 | break; |
| 614 | case GUEST_CS_SELECTOR: |
| 615 | *value = current_evmcs->guest_cs_selector; |
| 616 | break; |
| 617 | case GUEST_SS_SELECTOR: |
| 618 | *value = current_evmcs->guest_ss_selector; |
| 619 | break; |
| 620 | case GUEST_DS_SELECTOR: |
| 621 | *value = current_evmcs->guest_ds_selector; |
| 622 | break; |
| 623 | case GUEST_FS_SELECTOR: |
| 624 | *value = current_evmcs->guest_fs_selector; |
| 625 | break; |
| 626 | case GUEST_GS_SELECTOR: |
| 627 | *value = current_evmcs->guest_gs_selector; |
| 628 | break; |
| 629 | case GUEST_LDTR_SELECTOR: |
| 630 | *value = current_evmcs->guest_ldtr_selector; |
| 631 | break; |
| 632 | case GUEST_TR_SELECTOR: |
| 633 | *value = current_evmcs->guest_tr_selector; |
| 634 | break; |
| 635 | case VIRTUAL_PROCESSOR_ID: |
| 636 | *value = current_evmcs->virtual_processor_id; |
| 637 | break; |
| 638 | default: return 1; |
| 639 | } |
| 640 | |
| 641 | return 0; |
| 642 | } |
| 643 | |
| 644 | static inline int evmcs_vmwrite(uint64_t encoding, uint64_t value) |
| 645 | { |
| 646 | switch (encoding) { |
| 647 | case GUEST_RIP: |
| 648 | current_evmcs->guest_rip = value; |
| 649 | break; |
| 650 | case GUEST_RSP: |
| 651 | current_evmcs->guest_rsp = value; |
| 652 | break; |
| 653 | case GUEST_RFLAGS: |
| 654 | current_evmcs->guest_rflags = value; |
| 655 | break; |
| 656 | case HOST_IA32_PAT: |
| 657 | current_evmcs->host_ia32_pat = value; |
| 658 | break; |
| 659 | case HOST_IA32_EFER: |
| 660 | current_evmcs->host_ia32_efer = value; |
| 661 | break; |
| 662 | case HOST_CR0: |
| 663 | current_evmcs->host_cr0 = value; |
| 664 | break; |
| 665 | case HOST_CR3: |
| 666 | current_evmcs->host_cr3 = value; |
| 667 | break; |
| 668 | case HOST_CR4: |
| 669 | current_evmcs->host_cr4 = value; |
| 670 | break; |
| 671 | case HOST_IA32_SYSENTER_ESP: |
| 672 | current_evmcs->host_ia32_sysenter_esp = value; |
| 673 | break; |
| 674 | case HOST_IA32_SYSENTER_EIP: |
| 675 | current_evmcs->host_ia32_sysenter_eip = value; |
| 676 | break; |
| 677 | case HOST_RIP: |
| 678 | current_evmcs->host_rip = value; |
| 679 | break; |
| 680 | case IO_BITMAP_A: |
| 681 | current_evmcs->io_bitmap_a = value; |
| 682 | break; |
| 683 | case IO_BITMAP_B: |
| 684 | current_evmcs->io_bitmap_b = value; |
| 685 | break; |
| 686 | case MSR_BITMAP: |
| 687 | current_evmcs->msr_bitmap = value; |
| 688 | break; |
| 689 | case GUEST_ES_BASE: |
| 690 | current_evmcs->guest_es_base = value; |
| 691 | break; |
| 692 | case GUEST_CS_BASE: |
| 693 | current_evmcs->guest_cs_base = value; |
| 694 | break; |
| 695 | case GUEST_SS_BASE: |
| 696 | current_evmcs->guest_ss_base = value; |
| 697 | break; |
| 698 | case GUEST_DS_BASE: |
| 699 | current_evmcs->guest_ds_base = value; |
| 700 | break; |
| 701 | case GUEST_FS_BASE: |
| 702 | current_evmcs->guest_fs_base = value; |
| 703 | break; |
| 704 | case GUEST_GS_BASE: |
| 705 | current_evmcs->guest_gs_base = value; |
| 706 | break; |
| 707 | case GUEST_LDTR_BASE: |
| 708 | current_evmcs->guest_ldtr_base = value; |
| 709 | break; |
| 710 | case GUEST_TR_BASE: |
| 711 | current_evmcs->guest_tr_base = value; |
| 712 | break; |
| 713 | case GUEST_GDTR_BASE: |
| 714 | current_evmcs->guest_gdtr_base = value; |
| 715 | break; |
| 716 | case GUEST_IDTR_BASE: |
| 717 | current_evmcs->guest_idtr_base = value; |
| 718 | break; |
| 719 | case TSC_OFFSET: |
| 720 | current_evmcs->tsc_offset = value; |
| 721 | break; |
| 722 | case VIRTUAL_APIC_PAGE_ADDR: |
| 723 | current_evmcs->virtual_apic_page_addr = value; |
| 724 | break; |
| 725 | case VMCS_LINK_POINTER: |
| 726 | current_evmcs->vmcs_link_pointer = value; |
| 727 | break; |
| 728 | case GUEST_IA32_DEBUGCTL: |
| 729 | current_evmcs->guest_ia32_debugctl = value; |
| 730 | break; |
| 731 | case GUEST_IA32_PAT: |
| 732 | current_evmcs->guest_ia32_pat = value; |
| 733 | break; |
| 734 | case GUEST_IA32_EFER: |
| 735 | current_evmcs->guest_ia32_efer = value; |
| 736 | break; |
| 737 | case GUEST_PDPTR0: |
| 738 | current_evmcs->guest_pdptr0 = value; |
| 739 | break; |
| 740 | case GUEST_PDPTR1: |
| 741 | current_evmcs->guest_pdptr1 = value; |
| 742 | break; |
| 743 | case GUEST_PDPTR2: |
| 744 | current_evmcs->guest_pdptr2 = value; |
| 745 | break; |
| 746 | case GUEST_PDPTR3: |
| 747 | current_evmcs->guest_pdptr3 = value; |
| 748 | break; |
| 749 | case GUEST_PENDING_DBG_EXCEPTIONS: |
| 750 | current_evmcs->guest_pending_dbg_exceptions = value; |
| 751 | break; |
| 752 | case GUEST_SYSENTER_ESP: |
| 753 | current_evmcs->guest_sysenter_esp = value; |
| 754 | break; |
| 755 | case GUEST_SYSENTER_EIP: |
| 756 | current_evmcs->guest_sysenter_eip = value; |
| 757 | break; |
| 758 | case CR0_GUEST_HOST_MASK: |
| 759 | current_evmcs->cr0_guest_host_mask = value; |
| 760 | break; |
| 761 | case CR4_GUEST_HOST_MASK: |
| 762 | current_evmcs->cr4_guest_host_mask = value; |
| 763 | break; |
| 764 | case CR0_READ_SHADOW: |
| 765 | current_evmcs->cr0_read_shadow = value; |
| 766 | break; |
| 767 | case CR4_READ_SHADOW: |
| 768 | current_evmcs->cr4_read_shadow = value; |
| 769 | break; |
| 770 | case GUEST_CR0: |
| 771 | current_evmcs->guest_cr0 = value; |
| 772 | break; |
| 773 | case GUEST_CR3: |
| 774 | current_evmcs->guest_cr3 = value; |
| 775 | break; |
| 776 | case GUEST_CR4: |
| 777 | current_evmcs->guest_cr4 = value; |
| 778 | break; |
| 779 | case GUEST_DR7: |
| 780 | current_evmcs->guest_dr7 = value; |
| 781 | break; |
| 782 | case HOST_FS_BASE: |
| 783 | current_evmcs->host_fs_base = value; |
| 784 | break; |
| 785 | case HOST_GS_BASE: |
| 786 | current_evmcs->host_gs_base = value; |
| 787 | break; |
| 788 | case HOST_TR_BASE: |
| 789 | current_evmcs->host_tr_base = value; |
| 790 | break; |
| 791 | case HOST_GDTR_BASE: |
| 792 | current_evmcs->host_gdtr_base = value; |
| 793 | break; |
| 794 | case HOST_IDTR_BASE: |
| 795 | current_evmcs->host_idtr_base = value; |
| 796 | break; |
| 797 | case HOST_RSP: |
| 798 | current_evmcs->host_rsp = value; |
| 799 | break; |
| 800 | case EPT_POINTER: |
| 801 | current_evmcs->ept_pointer = value; |
| 802 | break; |
| 803 | case GUEST_BNDCFGS: |
| 804 | current_evmcs->guest_bndcfgs = value; |
| 805 | break; |
| 806 | case XSS_EXIT_BITMAP: |
| 807 | current_evmcs->xss_exit_bitmap = value; |
| 808 | break; |
| 809 | case GUEST_PHYSICAL_ADDRESS: |
| 810 | current_evmcs->guest_physical_address = value; |
| 811 | break; |
| 812 | case EXIT_QUALIFICATION: |
| 813 | current_evmcs->exit_qualification = value; |
| 814 | break; |
| 815 | case GUEST_LINEAR_ADDRESS: |
| 816 | current_evmcs->guest_linear_address = value; |
| 817 | break; |
| 818 | case VM_EXIT_MSR_STORE_ADDR: |
| 819 | current_evmcs->vm_exit_msr_store_addr = value; |
| 820 | break; |
| 821 | case VM_EXIT_MSR_LOAD_ADDR: |
| 822 | current_evmcs->vm_exit_msr_load_addr = value; |
| 823 | break; |
| 824 | case VM_ENTRY_MSR_LOAD_ADDR: |
| 825 | current_evmcs->vm_entry_msr_load_addr = value; |
| 826 | break; |
| 827 | case CR3_TARGET_VALUE0: |
| 828 | current_evmcs->cr3_target_value0 = value; |
| 829 | break; |
| 830 | case CR3_TARGET_VALUE1: |
| 831 | current_evmcs->cr3_target_value1 = value; |
| 832 | break; |
| 833 | case CR3_TARGET_VALUE2: |
| 834 | current_evmcs->cr3_target_value2 = value; |
| 835 | break; |
| 836 | case CR3_TARGET_VALUE3: |
| 837 | current_evmcs->cr3_target_value3 = value; |
| 838 | break; |
| 839 | case TPR_THRESHOLD: |
| 840 | current_evmcs->tpr_threshold = value; |
| 841 | break; |
| 842 | case GUEST_INTERRUPTIBILITY_INFO: |
| 843 | current_evmcs->guest_interruptibility_info = value; |
| 844 | break; |
| 845 | case CPU_BASED_VM_EXEC_CONTROL: |
| 846 | current_evmcs->cpu_based_vm_exec_control = value; |
| 847 | break; |
| 848 | case EXCEPTION_BITMAP: |
| 849 | current_evmcs->exception_bitmap = value; |
| 850 | break; |
| 851 | case VM_ENTRY_CONTROLS: |
| 852 | current_evmcs->vm_entry_controls = value; |
| 853 | break; |
| 854 | case VM_ENTRY_INTR_INFO_FIELD: |
| 855 | current_evmcs->vm_entry_intr_info_field = value; |
| 856 | break; |
| 857 | case VM_ENTRY_EXCEPTION_ERROR_CODE: |
| 858 | current_evmcs->vm_entry_exception_error_code = value; |
| 859 | break; |
| 860 | case VM_ENTRY_INSTRUCTION_LEN: |
| 861 | current_evmcs->vm_entry_instruction_len = value; |
| 862 | break; |
| 863 | case HOST_IA32_SYSENTER_CS: |
| 864 | current_evmcs->host_ia32_sysenter_cs = value; |
| 865 | break; |
| 866 | case PIN_BASED_VM_EXEC_CONTROL: |
| 867 | current_evmcs->pin_based_vm_exec_control = value; |
| 868 | break; |
| 869 | case VM_EXIT_CONTROLS: |
| 870 | current_evmcs->vm_exit_controls = value; |
| 871 | break; |
| 872 | case SECONDARY_VM_EXEC_CONTROL: |
| 873 | current_evmcs->secondary_vm_exec_control = value; |
| 874 | break; |
| 875 | case GUEST_ES_LIMIT: |
| 876 | current_evmcs->guest_es_limit = value; |
| 877 | break; |
| 878 | case GUEST_CS_LIMIT: |
| 879 | current_evmcs->guest_cs_limit = value; |
| 880 | break; |
| 881 | case GUEST_SS_LIMIT: |
| 882 | current_evmcs->guest_ss_limit = value; |
| 883 | break; |
| 884 | case GUEST_DS_LIMIT: |
| 885 | current_evmcs->guest_ds_limit = value; |
| 886 | break; |
| 887 | case GUEST_FS_LIMIT: |
| 888 | current_evmcs->guest_fs_limit = value; |
| 889 | break; |
| 890 | case GUEST_GS_LIMIT: |
| 891 | current_evmcs->guest_gs_limit = value; |
| 892 | break; |
| 893 | case GUEST_LDTR_LIMIT: |
| 894 | current_evmcs->guest_ldtr_limit = value; |
| 895 | break; |
| 896 | case GUEST_TR_LIMIT: |
| 897 | current_evmcs->guest_tr_limit = value; |
| 898 | break; |
| 899 | case GUEST_GDTR_LIMIT: |
| 900 | current_evmcs->guest_gdtr_limit = value; |
| 901 | break; |
| 902 | case GUEST_IDTR_LIMIT: |
| 903 | current_evmcs->guest_idtr_limit = value; |
| 904 | break; |
| 905 | case GUEST_ES_AR_BYTES: |
| 906 | current_evmcs->guest_es_ar_bytes = value; |
| 907 | break; |
| 908 | case GUEST_CS_AR_BYTES: |
| 909 | current_evmcs->guest_cs_ar_bytes = value; |
| 910 | break; |
| 911 | case GUEST_SS_AR_BYTES: |
| 912 | current_evmcs->guest_ss_ar_bytes = value; |
| 913 | break; |
| 914 | case GUEST_DS_AR_BYTES: |
| 915 | current_evmcs->guest_ds_ar_bytes = value; |
| 916 | break; |
| 917 | case GUEST_FS_AR_BYTES: |
| 918 | current_evmcs->guest_fs_ar_bytes = value; |
| 919 | break; |
| 920 | case GUEST_GS_AR_BYTES: |
| 921 | current_evmcs->guest_gs_ar_bytes = value; |
| 922 | break; |
| 923 | case GUEST_LDTR_AR_BYTES: |
| 924 | current_evmcs->guest_ldtr_ar_bytes = value; |
| 925 | break; |
| 926 | case GUEST_TR_AR_BYTES: |
| 927 | current_evmcs->guest_tr_ar_bytes = value; |
| 928 | break; |
| 929 | case GUEST_ACTIVITY_STATE: |
| 930 | current_evmcs->guest_activity_state = value; |
| 931 | break; |
| 932 | case GUEST_SYSENTER_CS: |
| 933 | current_evmcs->guest_sysenter_cs = value; |
| 934 | break; |
| 935 | case VM_INSTRUCTION_ERROR: |
| 936 | current_evmcs->vm_instruction_error = value; |
| 937 | break; |
| 938 | case VM_EXIT_REASON: |
| 939 | current_evmcs->vm_exit_reason = value; |
| 940 | break; |
| 941 | case VM_EXIT_INTR_INFO: |
| 942 | current_evmcs->vm_exit_intr_info = value; |
| 943 | break; |
| 944 | case VM_EXIT_INTR_ERROR_CODE: |
| 945 | current_evmcs->vm_exit_intr_error_code = value; |
| 946 | break; |
| 947 | case IDT_VECTORING_INFO_FIELD: |
| 948 | current_evmcs->idt_vectoring_info_field = value; |
| 949 | break; |
| 950 | case IDT_VECTORING_ERROR_CODE: |
| 951 | current_evmcs->idt_vectoring_error_code = value; |
| 952 | break; |
| 953 | case VM_EXIT_INSTRUCTION_LEN: |
| 954 | current_evmcs->vm_exit_instruction_len = value; |
| 955 | break; |
| 956 | case VMX_INSTRUCTION_INFO: |
| 957 | current_evmcs->vmx_instruction_info = value; |
| 958 | break; |
| 959 | case PAGE_FAULT_ERROR_CODE_MASK: |
| 960 | current_evmcs->page_fault_error_code_mask = value; |
| 961 | break; |
| 962 | case PAGE_FAULT_ERROR_CODE_MATCH: |
| 963 | current_evmcs->page_fault_error_code_match = value; |
| 964 | break; |
| 965 | case CR3_TARGET_COUNT: |
| 966 | current_evmcs->cr3_target_count = value; |
| 967 | break; |
| 968 | case VM_EXIT_MSR_STORE_COUNT: |
| 969 | current_evmcs->vm_exit_msr_store_count = value; |
| 970 | break; |
| 971 | case VM_EXIT_MSR_LOAD_COUNT: |
| 972 | current_evmcs->vm_exit_msr_load_count = value; |
| 973 | break; |
| 974 | case VM_ENTRY_MSR_LOAD_COUNT: |
| 975 | current_evmcs->vm_entry_msr_load_count = value; |
| 976 | break; |
| 977 | case HOST_ES_SELECTOR: |
| 978 | current_evmcs->host_es_selector = value; |
| 979 | break; |
| 980 | case HOST_CS_SELECTOR: |
| 981 | current_evmcs->host_cs_selector = value; |
| 982 | break; |
| 983 | case HOST_SS_SELECTOR: |
| 984 | current_evmcs->host_ss_selector = value; |
| 985 | break; |
| 986 | case HOST_DS_SELECTOR: |
| 987 | current_evmcs->host_ds_selector = value; |
| 988 | break; |
| 989 | case HOST_FS_SELECTOR: |
| 990 | current_evmcs->host_fs_selector = value; |
| 991 | break; |
| 992 | case HOST_GS_SELECTOR: |
| 993 | current_evmcs->host_gs_selector = value; |
| 994 | break; |
| 995 | case HOST_TR_SELECTOR: |
| 996 | current_evmcs->host_tr_selector = value; |
| 997 | break; |
| 998 | case GUEST_ES_SELECTOR: |
| 999 | current_evmcs->guest_es_selector = value; |
| 1000 | break; |
| 1001 | case GUEST_CS_SELECTOR: |
| 1002 | current_evmcs->guest_cs_selector = value; |
| 1003 | break; |
| 1004 | case GUEST_SS_SELECTOR: |
| 1005 | current_evmcs->guest_ss_selector = value; |
| 1006 | break; |
| 1007 | case GUEST_DS_SELECTOR: |
| 1008 | current_evmcs->guest_ds_selector = value; |
| 1009 | break; |
| 1010 | case GUEST_FS_SELECTOR: |
| 1011 | current_evmcs->guest_fs_selector = value; |
| 1012 | break; |
| 1013 | case GUEST_GS_SELECTOR: |
| 1014 | current_evmcs->guest_gs_selector = value; |
| 1015 | break; |
| 1016 | case GUEST_LDTR_SELECTOR: |
| 1017 | current_evmcs->guest_ldtr_selector = value; |
| 1018 | break; |
| 1019 | case GUEST_TR_SELECTOR: |
| 1020 | current_evmcs->guest_tr_selector = value; |
| 1021 | break; |
| 1022 | case VIRTUAL_PROCESSOR_ID: |
| 1023 | current_evmcs->virtual_processor_id = value; |
| 1024 | break; |
| 1025 | default: return 1; |
| 1026 | } |
| 1027 | |
| 1028 | return 0; |
| 1029 | } |
| 1030 | |
| 1031 | static inline int evmcs_vmlaunch(void) |
| 1032 | { |
| 1033 | int ret; |
| 1034 | |
| 1035 | current_evmcs->hv_clean_fields = 0; |
| 1036 | |
| 1037 | __asm__ __volatile__("push %%rbp;" |
| 1038 | "push %%rcx;" |
| 1039 | "push %%rdx;" |
| 1040 | "push %%rsi;" |
| 1041 | "push %%rdi;" |
| 1042 | "push $0;" |
| 1043 | "mov %%rsp, (%[host_rsp]);" |
| 1044 | "lea 1f(%%rip), %%rax;" |
| 1045 | "mov %%rax, (%[host_rip]);" |
| 1046 | "vmlaunch;" |
| 1047 | "incq (%%rsp);" |
| 1048 | "1: pop %%rax;" |
| 1049 | "pop %%rdi;" |
| 1050 | "pop %%rsi;" |
| 1051 | "pop %%rdx;" |
| 1052 | "pop %%rcx;" |
| 1053 | "pop %%rbp;" |
| 1054 | : [ret]"=&a"(ret) |
| 1055 | : [host_rsp]"r" |
| 1056 | ((uint64_t)¤t_evmcs->host_rsp), |
| 1057 | [host_rip]"r" |
| 1058 | ((uint64_t)¤t_evmcs->host_rip) |
| 1059 | : "memory", "cc", "rbx", "r8", "r9", "r10", |
| 1060 | "r11", "r12", "r13", "r14", "r15"); |
| 1061 | return ret; |
| 1062 | } |
| 1063 | |
| 1064 | /* |
| 1065 | * No guest state (e.g. GPRs) is established by this vmresume. |
| 1066 | */ |
| 1067 | static inline int evmcs_vmresume(void) |
| 1068 | { |
| 1069 | int ret; |
| 1070 | |
| 1071 | current_evmcs->hv_clean_fields = 0; |
| 1072 | |
| 1073 | __asm__ __volatile__("push %%rbp;" |
| 1074 | "push %%rcx;" |
| 1075 | "push %%rdx;" |
| 1076 | "push %%rsi;" |
| 1077 | "push %%rdi;" |
| 1078 | "push $0;" |
| 1079 | "mov %%rsp, (%[host_rsp]);" |
| 1080 | "lea 1f(%%rip), %%rax;" |
| 1081 | "mov %%rax, (%[host_rip]);" |
| 1082 | "vmresume;" |
| 1083 | "incq (%%rsp);" |
| 1084 | "1: pop %%rax;" |
| 1085 | "pop %%rdi;" |
| 1086 | "pop %%rsi;" |
| 1087 | "pop %%rdx;" |
| 1088 | "pop %%rcx;" |
| 1089 | "pop %%rbp;" |
| 1090 | : [ret]"=&a"(ret) |
| 1091 | : [host_rsp]"r" |
| 1092 | ((uint64_t)¤t_evmcs->host_rsp), |
| 1093 | [host_rip]"r" |
| 1094 | ((uint64_t)¤t_evmcs->host_rip) |
| 1095 | : "memory", "cc", "rbx", "r8", "r9", "r10", |
| 1096 | "r11", "r12", "r13", "r14", "r15"); |
| 1097 | return ret; |
| 1098 | } |
| 1099 | |
| 1100 | #endif /* !SELFTEST_KVM_EVMCS_H */ |