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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 | /* SPDX-License-Identifier: GPL-2.0 */ #ifndef _ASM_X86_IDTENTRY_H #define _ASM_X86_IDTENTRY_H /* Interrupts/Exceptions */ #include <asm/trapnr.h> #define IDT_ALIGN (8 * (1 + HAS_KERNEL_IBT)) #ifndef __ASSEMBLY__ #include <linux/entry-common.h> #include <linux/hardirq.h> #include <asm/irq_stack.h> /** * DECLARE_IDTENTRY - Declare functions for simple IDT entry points * No error code pushed by hardware * @vector: Vector number (ignored for C) * @func: Function name of the entry point * * Declares three functions: * - The ASM entry point: asm_##func * - The XEN PV trap entry point: xen_##func (maybe unused) * - The C handler called from the ASM entry point * * Note: This is the C variant of DECLARE_IDTENTRY(). As the name says it * declares the entry points for usage in C code. There is an ASM variant * as well which is used to emit the entry stubs in entry_32/64.S. */ #define DECLARE_IDTENTRY(vector, func) \ asmlinkage void asm_##func(void); \ asmlinkage void xen_asm_##func(void); \ __visible void func(struct pt_regs *regs) /** * DEFINE_IDTENTRY - Emit code for simple IDT entry points * @func: Function name of the entry point * * @func is called from ASM entry code with interrupts disabled. * * The macro is written so it acts as function definition. Append the * body with a pair of curly brackets. * * irqentry_enter() contains common code which has to be invoked before * arbitrary code in the body. irqentry_exit() contains common code * which has to run before returning to the low level assembly code. */ #define DEFINE_IDTENTRY(func) \ static __always_inline void __##func(struct pt_regs *regs); \ \ __visible noinstr void func(struct pt_regs *regs) \ { \ irqentry_state_t state = irqentry_enter(regs); \ \ instrumentation_begin(); \ __##func (regs); \ instrumentation_end(); \ irqentry_exit(regs, state); \ } \ \ static __always_inline void __##func(struct pt_regs *regs) /* Special case for 32bit IRET 'trap' */ #define DECLARE_IDTENTRY_SW DECLARE_IDTENTRY #define DEFINE_IDTENTRY_SW DEFINE_IDTENTRY /** * DECLARE_IDTENTRY_ERRORCODE - Declare functions for simple IDT entry points * Error code pushed by hardware * @vector: Vector number (ignored for C) * @func: Function name of the entry point * * Declares three functions: * - The ASM entry point: asm_##func * - The XEN PV trap entry point: xen_##func (maybe unused) * - The C handler called from the ASM entry point * * Same as DECLARE_IDTENTRY, but has an extra error_code argument for the * C-handler. */ #define DECLARE_IDTENTRY_ERRORCODE(vector, func) \ asmlinkage void asm_##func(void); \ asmlinkage void xen_asm_##func(void); \ __visible void func(struct pt_regs *regs, unsigned long error_code) /** * DEFINE_IDTENTRY_ERRORCODE - Emit code for simple IDT entry points * Error code pushed by hardware * @func: Function name of the entry point * * Same as DEFINE_IDTENTRY, but has an extra error_code argument */ #define DEFINE_IDTENTRY_ERRORCODE(func) \ static __always_inline void __##func(struct pt_regs *regs, \ unsigned long error_code); \ \ __visible noinstr void func(struct pt_regs *regs, \ unsigned long error_code) \ { \ irqentry_state_t state = irqentry_enter(regs); \ \ instrumentation_begin(); \ __##func (regs, error_code); \ instrumentation_end(); \ irqentry_exit(regs, state); \ } \ \ static __always_inline void __##func(struct pt_regs *regs, \ unsigned long error_code) /** * DECLARE_IDTENTRY_RAW - Declare functions for raw IDT entry points * No error code pushed by hardware * @vector: Vector number (ignored for C) * @func: Function name of the entry point * * Maps to DECLARE_IDTENTRY(). */ #define DECLARE_IDTENTRY_RAW(vector, func) \ DECLARE_IDTENTRY(vector, func) /** * DEFINE_IDTENTRY_RAW - Emit code for raw IDT entry points * @func: Function name of the entry point * * @func is called from ASM entry code with interrupts disabled. * * The macro is written so it acts as function definition. Append the * body with a pair of curly brackets. * * Contrary to DEFINE_IDTENTRY() this does not invoke the * idtentry_enter/exit() helpers before and after the body invocation. This * needs to be done in the body itself if applicable. Use if extra work * is required before the enter/exit() helpers are invoked. */ #define DEFINE_IDTENTRY_RAW(func) \ __visible noinstr void func(struct pt_regs *regs) /** * DECLARE_IDTENTRY_RAW_ERRORCODE - Declare functions for raw IDT entry points * Error code pushed by hardware * @vector: Vector number (ignored for C) * @func: Function name of the entry point * * Maps to DECLARE_IDTENTRY_ERRORCODE() */ #define DECLARE_IDTENTRY_RAW_ERRORCODE(vector, func) \ DECLARE_IDTENTRY_ERRORCODE(vector, func) /** * DEFINE_IDTENTRY_RAW_ERRORCODE - Emit code for raw IDT entry points * @func: Function name of the entry point * * @func is called from ASM entry code with interrupts disabled. * * The macro is written so it acts as function definition. Append the * body with a pair of curly brackets. * * Contrary to DEFINE_IDTENTRY_ERRORCODE() this does not invoke the * irqentry_enter/exit() helpers before and after the body invocation. This * needs to be done in the body itself if applicable. Use if extra work * is required before the enter/exit() helpers are invoked. */ #define DEFINE_IDTENTRY_RAW_ERRORCODE(func) \ __visible noinstr void func(struct pt_regs *regs, unsigned long error_code) /** * DECLARE_IDTENTRY_IRQ - Declare functions for device interrupt IDT entry * points (common/spurious) * @vector: Vector number (ignored for C) * @func: Function name of the entry point * * Maps to DECLARE_IDTENTRY_ERRORCODE() */ #define DECLARE_IDTENTRY_IRQ(vector, func) \ DECLARE_IDTENTRY_ERRORCODE(vector, func) /** * DEFINE_IDTENTRY_IRQ - Emit code for device interrupt IDT entry points * @func: Function name of the entry point * * The vector number is pushed by the low level entry stub and handed * to the function as error_code argument which needs to be truncated * to an u8 because the push is sign extending. * * irq_enter/exit_rcu() are invoked before the function body and the * KVM L1D flush request is set. Stack switching to the interrupt stack * has to be done in the function body if necessary. */ #define DEFINE_IDTENTRY_IRQ(func) \ static void __##func(struct pt_regs *regs, u32 vector); \ \ __visible noinstr void func(struct pt_regs *regs, \ unsigned long error_code) \ { \ irqentry_state_t state = irqentry_enter(regs); \ u32 vector = (u32)(u8)error_code; \ \ instrumentation_begin(); \ kvm_set_cpu_l1tf_flush_l1d(); \ run_irq_on_irqstack_cond(__##func, regs, vector); \ instrumentation_end(); \ irqentry_exit(regs, state); \ } \ \ static noinline void __##func(struct pt_regs *regs, u32 vector) /** * DECLARE_IDTENTRY_SYSVEC - Declare functions for system vector entry points * @vector: Vector number (ignored for C) * @func: Function name of the entry point * * Declares three functions: * - The ASM entry point: asm_##func * - The XEN PV trap entry point: xen_##func (maybe unused) * - The C handler called from the ASM entry point * * Maps to DECLARE_IDTENTRY(). */ #define DECLARE_IDTENTRY_SYSVEC(vector, func) \ DECLARE_IDTENTRY(vector, func) /** * DEFINE_IDTENTRY_SYSVEC - Emit code for system vector IDT entry points * @func: Function name of the entry point * * irqentry_enter/exit() and irq_enter/exit_rcu() are invoked before the * function body. KVM L1D flush request is set. * * Runs the function on the interrupt stack if the entry hit kernel mode */ #define DEFINE_IDTENTRY_SYSVEC(func) \ static void __##func(struct pt_regs *regs); \ \ __visible noinstr void func(struct pt_regs *regs) \ { \ irqentry_state_t state = irqentry_enter(regs); \ \ instrumentation_begin(); \ kvm_set_cpu_l1tf_flush_l1d(); \ run_sysvec_on_irqstack_cond(__##func, regs); \ instrumentation_end(); \ irqentry_exit(regs, state); \ } \ \ static noinline void __##func(struct pt_regs *regs) /** * DEFINE_IDTENTRY_SYSVEC_SIMPLE - Emit code for simple system vector IDT * entry points * @func: Function name of the entry point * * Runs the function on the interrupted stack. No switch to IRQ stack and * only the minimal __irq_enter/exit() handling. * * Only use for 'empty' vectors like reschedule IPI and KVM posted * interrupt vectors. */ #define DEFINE_IDTENTRY_SYSVEC_SIMPLE(func) \ static __always_inline void __##func(struct pt_regs *regs); \ \ __visible noinstr void func(struct pt_regs *regs) \ { \ irqentry_state_t state = irqentry_enter(regs); \ \ instrumentation_begin(); \ __irq_enter_raw(); \ kvm_set_cpu_l1tf_flush_l1d(); \ __##func (regs); \ __irq_exit_raw(); \ instrumentation_end(); \ irqentry_exit(regs, state); \ } \ \ static __always_inline void __##func(struct pt_regs *regs) /** * DECLARE_IDTENTRY_XENCB - Declare functions for XEN HV callback entry point * @vector: Vector number (ignored for C) * @func: Function name of the entry point * * Declares three functions: * - The ASM entry point: asm_##func * - The XEN PV trap entry point: xen_##func (maybe unused) * - The C handler called from the ASM entry point * * Maps to DECLARE_IDTENTRY(). Distinct entry point to handle the 32/64-bit * difference */ #define DECLARE_IDTENTRY_XENCB(vector, func) \ DECLARE_IDTENTRY(vector, func) #ifdef CONFIG_X86_64 /** * DECLARE_IDTENTRY_IST - Declare functions for IST handling IDT entry points * @vector: Vector number (ignored for C) * @func: Function name of the entry point * * Maps to DECLARE_IDTENTRY_RAW, but declares also the NOIST C handler * which is called from the ASM entry point on user mode entry */ #define DECLARE_IDTENTRY_IST(vector, func) \ DECLARE_IDTENTRY_RAW(vector, func); \ __visible void noist_##func(struct pt_regs *regs) /** * DECLARE_IDTENTRY_VC - Declare functions for the VC entry point * @vector: Vector number (ignored for C) * @func: Function name of the entry point * * Maps to DECLARE_IDTENTRY_RAW_ERRORCODE, but declares also the * safe_stack C handler. */ #define DECLARE_IDTENTRY_VC(vector, func) \ DECLARE_IDTENTRY_RAW_ERRORCODE(vector, func); \ __visible noinstr void kernel_##func(struct pt_regs *regs, unsigned long error_code); \ __visible noinstr void user_##func(struct pt_regs *regs, unsigned long error_code) /** * DEFINE_IDTENTRY_IST - Emit code for IST entry points * @func: Function name of the entry point * * Maps to DEFINE_IDTENTRY_RAW */ #define DEFINE_IDTENTRY_IST(func) \ DEFINE_IDTENTRY_RAW(func) /** * DEFINE_IDTENTRY_NOIST - Emit code for NOIST entry points which * belong to a IST entry point (MCE, DB) * @func: Function name of the entry point. Must be the same as * the function name of the corresponding IST variant * * Maps to DEFINE_IDTENTRY_RAW(). */ #define DEFINE_IDTENTRY_NOIST(func) \ DEFINE_IDTENTRY_RAW(noist_##func) /** * DECLARE_IDTENTRY_DF - Declare functions for double fault * @vector: Vector number (ignored for C) * @func: Function name of the entry point * * Maps to DECLARE_IDTENTRY_RAW_ERRORCODE */ #define DECLARE_IDTENTRY_DF(vector, func) \ DECLARE_IDTENTRY_RAW_ERRORCODE(vector, func) /** * DEFINE_IDTENTRY_DF - Emit code for double fault * @func: Function name of the entry point * * Maps to DEFINE_IDTENTRY_RAW_ERRORCODE */ #define DEFINE_IDTENTRY_DF(func) \ DEFINE_IDTENTRY_RAW_ERRORCODE(func) /** * DEFINE_IDTENTRY_VC_KERNEL - Emit code for VMM communication handler when raised from kernel mode * @func: Function name of the entry point * * Maps to DEFINE_IDTENTRY_RAW_ERRORCODE */ #define DEFINE_IDTENTRY_VC_KERNEL(func) \ DEFINE_IDTENTRY_RAW_ERRORCODE(kernel_##func) /** * DEFINE_IDTENTRY_VC_USER - Emit code for VMM communication handler when raised from user mode * @func: Function name of the entry point * * Maps to DEFINE_IDTENTRY_RAW_ERRORCODE */ #define DEFINE_IDTENTRY_VC_USER(func) \ DEFINE_IDTENTRY_RAW_ERRORCODE(user_##func) #else /* CONFIG_X86_64 */ /** * DECLARE_IDTENTRY_DF - Declare functions for double fault 32bit variant * @vector: Vector number (ignored for C) * @func: Function name of the entry point * * Declares two functions: * - The ASM entry point: asm_##func * - The C handler called from the C shim */ #define DECLARE_IDTENTRY_DF(vector, func) \ asmlinkage void asm_##func(void); \ __visible void func(struct pt_regs *regs, \ unsigned long error_code, \ unsigned long address) /** * DEFINE_IDTENTRY_DF - Emit code for double fault on 32bit * @func: Function name of the entry point * * This is called through the doublefault shim which already provides * cr2 in the address argument. */ #define DEFINE_IDTENTRY_DF(func) \ __visible noinstr void func(struct pt_regs *regs, \ unsigned long error_code, \ unsigned long address) #endif /* !CONFIG_X86_64 */ /* C-Code mapping */ #define DECLARE_IDTENTRY_NMI DECLARE_IDTENTRY_RAW #define DEFINE_IDTENTRY_NMI DEFINE_IDTENTRY_RAW #ifdef CONFIG_X86_64 #define DECLARE_IDTENTRY_MCE DECLARE_IDTENTRY_IST #define DEFINE_IDTENTRY_MCE DEFINE_IDTENTRY_IST #define DEFINE_IDTENTRY_MCE_USER DEFINE_IDTENTRY_NOIST #define DECLARE_IDTENTRY_DEBUG DECLARE_IDTENTRY_IST #define DEFINE_IDTENTRY_DEBUG DEFINE_IDTENTRY_IST #define DEFINE_IDTENTRY_DEBUG_USER DEFINE_IDTENTRY_NOIST #endif #else /* !__ASSEMBLY__ */ /* * The ASM variants for DECLARE_IDTENTRY*() which emit the ASM entry stubs. */ #define DECLARE_IDTENTRY(vector, func) \ idtentry vector asm_##func func has_error_code=0 #define DECLARE_IDTENTRY_ERRORCODE(vector, func) \ idtentry vector asm_##func func has_error_code=1 /* Special case for 32bit IRET 'trap'. Do not emit ASM code */ #define DECLARE_IDTENTRY_SW(vector, func) #define DECLARE_IDTENTRY_RAW(vector, func) \ DECLARE_IDTENTRY(vector, func) #define DECLARE_IDTENTRY_RAW_ERRORCODE(vector, func) \ DECLARE_IDTENTRY_ERRORCODE(vector, func) /* Entries for common/spurious (device) interrupts */ #define DECLARE_IDTENTRY_IRQ(vector, func) \ idtentry_irq vector func /* System vector entries */ #define DECLARE_IDTENTRY_SYSVEC(vector, func) \ idtentry_sysvec vector func #ifdef CONFIG_X86_64 # define DECLARE_IDTENTRY_MCE(vector, func) \ idtentry_mce_db vector asm_##func func # define DECLARE_IDTENTRY_DEBUG(vector, func) \ idtentry_mce_db vector asm_##func func # define DECLARE_IDTENTRY_DF(vector, func) \ idtentry_df vector asm_##func func # define DECLARE_IDTENTRY_XENCB(vector, func) \ DECLARE_IDTENTRY(vector, func) # define DECLARE_IDTENTRY_VC(vector, func) \ idtentry_vc vector asm_##func func #else # define DECLARE_IDTENTRY_MCE(vector, func) \ DECLARE_IDTENTRY(vector, func) /* No ASM emitted for DF as this goes through a C shim */ # define DECLARE_IDTENTRY_DF(vector, func) /* No ASM emitted for XEN hypervisor callback */ # define DECLARE_IDTENTRY_XENCB(vector, func) #endif /* No ASM code emitted for NMI */ #define DECLARE_IDTENTRY_NMI(vector, func) /* * ASM code to emit the common vector entry stubs where each stub is * packed into IDT_ALIGN bytes. * * Note, that the 'pushq imm8' is emitted via '.byte 0x6a, vector' because * GCC treats the local vector variable as unsigned int and would expand * all vectors above 0x7F to a 5 byte push. The original code did an * adjustment of the vector number to be in the signed byte range to avoid * this. While clever it's mindboggling counterintuitive and requires the * odd conversion back to a real vector number in the C entry points. Using * .byte achieves the same thing and the only fixup needed in the C entry * point is to mask off the bits above bit 7 because the push is sign * extending. */ .align IDT_ALIGN SYM_CODE_START(irq_entries_start) vector=FIRST_EXTERNAL_VECTOR .rept NR_EXTERNAL_VECTORS UNWIND_HINT_IRET_REGS 0 : ENDBR .byte 0x6a, vector jmp asm_common_interrupt /* Ensure that the above is IDT_ALIGN bytes max */ .fill 0b + IDT_ALIGN - ., 1, 0xcc vector = vector+1 .endr SYM_CODE_END(irq_entries_start) #ifdef CONFIG_X86_LOCAL_APIC .align IDT_ALIGN SYM_CODE_START(spurious_entries_start) vector=FIRST_SYSTEM_VECTOR .rept NR_SYSTEM_VECTORS UNWIND_HINT_IRET_REGS 0 : ENDBR .byte 0x6a, vector jmp asm_spurious_interrupt /* Ensure that the above is IDT_ALIGN bytes max */ .fill 0b + IDT_ALIGN - ., 1, 0xcc vector = vector+1 .endr SYM_CODE_END(spurious_entries_start) #endif #endif /* __ASSEMBLY__ */ /* * The actual entry points. Note that DECLARE_IDTENTRY*() serves two * purposes: * - provide the function declarations when included from C-Code * - emit the ASM stubs when included from entry_32/64.S * * This avoids duplicate defines and ensures that everything is consistent. */ /* * Dummy trap number so the low level ASM macro vector number checks do not * match which results in emitting plain IDTENTRY stubs without bells and * whistles. */ #define X86_TRAP_OTHER 0xFFFF /* Simple exception entry points. No hardware error code */ DECLARE_IDTENTRY(X86_TRAP_DE, exc_divide_error); DECLARE_IDTENTRY(X86_TRAP_OF, exc_overflow); DECLARE_IDTENTRY(X86_TRAP_BR, exc_bounds); DECLARE_IDTENTRY(X86_TRAP_NM, exc_device_not_available); DECLARE_IDTENTRY(X86_TRAP_OLD_MF, exc_coproc_segment_overrun); DECLARE_IDTENTRY(X86_TRAP_SPURIOUS, exc_spurious_interrupt_bug); DECLARE_IDTENTRY(X86_TRAP_MF, exc_coprocessor_error); DECLARE_IDTENTRY(X86_TRAP_XF, exc_simd_coprocessor_error); /* 32bit software IRET trap. Do not emit ASM code */ DECLARE_IDTENTRY_SW(X86_TRAP_IRET, iret_error); /* Simple exception entries with error code pushed by hardware */ DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_TS, exc_invalid_tss); DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_NP, exc_segment_not_present); DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_SS, exc_stack_segment); DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_GP, exc_general_protection); DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_AC, exc_alignment_check); /* Raw exception entries which need extra work */ DECLARE_IDTENTRY_RAW(X86_TRAP_UD, exc_invalid_op); DECLARE_IDTENTRY_RAW(X86_TRAP_BP, exc_int3); DECLARE_IDTENTRY_RAW_ERRORCODE(X86_TRAP_PF, exc_page_fault); #ifdef CONFIG_X86_MCE #ifdef CONFIG_X86_64 DECLARE_IDTENTRY_MCE(X86_TRAP_MC, exc_machine_check); #else DECLARE_IDTENTRY_RAW(X86_TRAP_MC, exc_machine_check); #endif #ifdef CONFIG_XEN_PV DECLARE_IDTENTRY_RAW(X86_TRAP_MC, xenpv_exc_machine_check); #endif #endif /* NMI */ #if defined(CONFIG_X86_64) && IS_ENABLED(CONFIG_KVM_INTEL) /* * Special NOIST entry point for VMX which invokes this on the kernel * stack. asm_exc_nmi() requires an IST to work correctly vs. the NMI * 'executing' marker. * * On 32bit this just uses the regular NMI entry point because 32-bit does * not have ISTs. */ DECLARE_IDTENTRY(X86_TRAP_NMI, exc_nmi_noist); #else #define asm_exc_nmi_noist asm_exc_nmi #endif DECLARE_IDTENTRY_NMI(X86_TRAP_NMI, exc_nmi); #ifdef CONFIG_XEN_PV DECLARE_IDTENTRY_RAW(X86_TRAP_NMI, xenpv_exc_nmi); #endif /* #DB */ #ifdef CONFIG_X86_64 DECLARE_IDTENTRY_DEBUG(X86_TRAP_DB, exc_debug); #else DECLARE_IDTENTRY_RAW(X86_TRAP_DB, exc_debug); #endif #ifdef CONFIG_XEN_PV DECLARE_IDTENTRY_RAW(X86_TRAP_DB, xenpv_exc_debug); #endif /* #DF */ DECLARE_IDTENTRY_DF(X86_TRAP_DF, exc_double_fault); #ifdef CONFIG_XEN_PV DECLARE_IDTENTRY_RAW_ERRORCODE(X86_TRAP_DF, xenpv_exc_double_fault); #endif /* #CP */ #ifdef CONFIG_X86_KERNEL_IBT DECLARE_IDTENTRY_ERRORCODE(X86_TRAP_CP, exc_control_protection); #endif /* #VC */ #ifdef CONFIG_AMD_MEM_ENCRYPT DECLARE_IDTENTRY_VC(X86_TRAP_VC, exc_vmm_communication); #endif #ifdef CONFIG_XEN_PV DECLARE_IDTENTRY_XENCB(X86_TRAP_OTHER, exc_xen_hypervisor_callback); DECLARE_IDTENTRY_RAW(X86_TRAP_OTHER, exc_xen_unknown_trap); #endif #ifdef CONFIG_INTEL_TDX_GUEST DECLARE_IDTENTRY(X86_TRAP_VE, exc_virtualization_exception); #endif /* Device interrupts common/spurious */ DECLARE_IDTENTRY_IRQ(X86_TRAP_OTHER, common_interrupt); #ifdef CONFIG_X86_LOCAL_APIC DECLARE_IDTENTRY_IRQ(X86_TRAP_OTHER, spurious_interrupt); #endif /* System vector entry points */ #ifdef CONFIG_X86_LOCAL_APIC DECLARE_IDTENTRY_SYSVEC(ERROR_APIC_VECTOR, sysvec_error_interrupt); DECLARE_IDTENTRY_SYSVEC(SPURIOUS_APIC_VECTOR, sysvec_spurious_apic_interrupt); DECLARE_IDTENTRY_SYSVEC(LOCAL_TIMER_VECTOR, sysvec_apic_timer_interrupt); DECLARE_IDTENTRY_SYSVEC(X86_PLATFORM_IPI_VECTOR, sysvec_x86_platform_ipi); #endif #ifdef CONFIG_SMP DECLARE_IDTENTRY(RESCHEDULE_VECTOR, sysvec_reschedule_ipi); DECLARE_IDTENTRY_SYSVEC(IRQ_MOVE_CLEANUP_VECTOR, sysvec_irq_move_cleanup); DECLARE_IDTENTRY_SYSVEC(REBOOT_VECTOR, sysvec_reboot); DECLARE_IDTENTRY_SYSVEC(CALL_FUNCTION_SINGLE_VECTOR, sysvec_call_function_single); DECLARE_IDTENTRY_SYSVEC(CALL_FUNCTION_VECTOR, sysvec_call_function); #endif #ifdef CONFIG_X86_LOCAL_APIC # ifdef CONFIG_X86_MCE_THRESHOLD DECLARE_IDTENTRY_SYSVEC(THRESHOLD_APIC_VECTOR, sysvec_threshold); # endif # ifdef CONFIG_X86_MCE_AMD DECLARE_IDTENTRY_SYSVEC(DEFERRED_ERROR_VECTOR, sysvec_deferred_error); # endif # ifdef CONFIG_X86_THERMAL_VECTOR DECLARE_IDTENTRY_SYSVEC(THERMAL_APIC_VECTOR, sysvec_thermal); # endif # ifdef CONFIG_IRQ_WORK DECLARE_IDTENTRY_SYSVEC(IRQ_WORK_VECTOR, sysvec_irq_work); # endif #endif #ifdef CONFIG_HAVE_KVM DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_VECTOR, sysvec_kvm_posted_intr_ipi); DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_WAKEUP_VECTOR, sysvec_kvm_posted_intr_wakeup_ipi); DECLARE_IDTENTRY_SYSVEC(POSTED_INTR_NESTED_VECTOR, sysvec_kvm_posted_intr_nested_ipi); #endif #if IS_ENABLED(CONFIG_HYPERV) DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR, sysvec_hyperv_callback); DECLARE_IDTENTRY_SYSVEC(HYPERV_REENLIGHTENMENT_VECTOR, sysvec_hyperv_reenlightenment); DECLARE_IDTENTRY_SYSVEC(HYPERV_STIMER0_VECTOR, sysvec_hyperv_stimer0); #endif #if IS_ENABLED(CONFIG_ACRN_GUEST) DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR, sysvec_acrn_hv_callback); #endif #ifdef CONFIG_XEN_PVHVM DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR, sysvec_xen_hvm_callback); #endif #ifdef CONFIG_KVM_GUEST DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_CALLBACK_VECTOR, sysvec_kvm_asyncpf_interrupt); #endif #undef X86_TRAP_OTHER #endif |