summaryrefslogtreecommitdiffstats
path: root/arch/x86/include/asm/idtentry.h
blob: 71cf82bf24ba01858168f1b492ad8ae65b2ca87d (plain)
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
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _ASM_X86_IDTENTRY_H
#define _ASM_X86_IDTENTRY_H

/* Interrupts/Exceptions */
#include <asm/trapnr.h>

#ifndef __ASSEMBLY__
#include <linux/hardirq.h>

#include <asm/irq_stack.h>

void idtentry_enter_user(struct pt_regs *regs);
void idtentry_exit_user(struct pt_regs *regs);

bool idtentry_enter_cond_rcu(struct pt_regs *regs);
void idtentry_exit_cond_rcu(struct pt_regs *regs, bool rcu_exit);

/**
 * 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.
 *
 * idtentry_enter() contains common code which has to be invoked before
 * arbitrary code in the body. idtentry_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)			\
{									\
	bool rcu_exit = idtentry_enter_cond_rcu(regs);			\
									\
	instrumentation_begin();					\
	__##func (regs);						\
	instrumentation_end();						\
	idtentry_exit_cond_rcu(regs, rcu_exit);				\
}									\
									\
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)			\
{									\
	bool rcu_exit = idtentry_enter_cond_rcu(regs);			\
									\
	instrumentation_begin();					\
	__##func (regs, error_code);					\
	instrumentation_end();						\
	idtentry_exit_cond_rcu(regs, rcu_exit);				\
}									\
									\
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
 * 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_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.
 *
 * On 64-bit idtentry_enter/exit() are invoked in the ASM entry code before
 * and after switching to the interrupt stack. On 32-bit this happens in C.
 *
 * irq_enter/exit_rcu() are invoked before the function body and the
 * KVM L1D flush request is set.
 */
#define DEFINE_IDTENTRY_IRQ(func)					\
static __always_inline void __##func(struct pt_regs *regs, u8 vector);	\
									\
__visible noinstr void func(struct pt_regs *regs,			\
			    unsigned long error_code)			\
{									\
	bool rcu_exit = idtentry_enter_cond_rcu(regs);			\
									\
	instrumentation_begin();					\
	irq_enter_rcu();						\
	kvm_set_cpu_l1tf_flush_l1d();					\
	__##func (regs, (u8)error_code);				\
	irq_exit_rcu();							\
	lockdep_hardirq_exit();						\
	instrumentation_end();						\
	idtentry_exit_cond_rcu(regs, rcu_exit);				\
}									\
									\
static __always_inline void __##func(struct pt_regs *regs, u8 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
 *
 * idtentry_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)			\
{									\
	bool rcu_exit = idtentry_enter_cond_rcu(regs);			\
									\
	instrumentation_begin();					\
	irq_enter_rcu();						\
	kvm_set_cpu_l1tf_flush_l1d();					\
	run_on_irqstack_cond(__##func, regs, regs);			\
	irq_exit_rcu();							\
	lockdep_hardirq_exit();						\
	instrumentation_end();						\
	idtentry_exit_cond_rcu(regs, rcu_exit);				\
}									\
									\
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)			\
{									\
	bool rcu_exit = idtentry_enter_cond_rcu(regs);			\
									\
	instrumentation_begin();					\
	__irq_enter_raw();						\
	kvm_set_cpu_l1tf_flush_l1d();					\
	__##func (regs);						\
	__irq_exit_raw();						\
	instrumentation_end();						\
	idtentry_exit_cond_rcu(regs, rcu_exit);				\
}									\
									\
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)

/**
 * 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)

#else	/* CONFIG_X86_64 */

/* Maps to a regular IDTENTRY on 32bit for now */
# define DECLARE_IDTENTRY_IST		DECLARE_IDTENTRY
# define DEFINE_IDTENTRY_IST		DEFINE_IDTENTRY

/**
 * 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_MCE		DECLARE_IDTENTRY_IST
#define DEFINE_IDTENTRY_MCE		DEFINE_IDTENTRY_IST
#define DEFINE_IDTENTRY_MCE_USER	DEFINE_IDTENTRY_NOIST

#define DECLARE_IDTENTRY_NMI		DECLARE_IDTENTRY_IST
#define DEFINE_IDTENTRY_NMI		DEFINE_IDTENTRY_IST

#define DECLARE_IDTENTRY_DEBUG		DECLARE_IDTENTRY_IST
#define DEFINE_IDTENTRY_DEBUG		DEFINE_IDTENTRY_IST
#define DEFINE_IDTENTRY_DEBUG_USER	DEFINE_IDTENTRY_NOIST

/**
 * DECLARE_IDTENTRY_XEN - Declare functions for XEN redirect IDT entry points
 * @vector:	Vector number (ignored for C)
 * @func:	Function name of the entry point
 *
 * Used for xennmi and xendebug redirections. No DEFINE as this is all ASM
 * indirection magic.
 */
#define DECLARE_IDTENTRY_XEN(vector, func)				\
	asmlinkage void xen_asm_exc_xen##func(void);			\
	asmlinkage void asm_exc_xen##func(void)

#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)

#else
# define DECLARE_IDTENTRY_MCE(vector, func)				\
	DECLARE_IDTENTRY(vector, func)

# define DECLARE_IDTENTRY_DEBUG(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)

/* XEN NMI and DB wrapper */
#define DECLARE_IDTENTRY_XEN(vector, func)				\
	idtentry vector asm_exc_xen##func exc_##func has_error_code=0

/*
 * ASM code to emit the common vector entry stubs where each stub is
 * packed into 8 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 8
SYM_CODE_START(irq_entries_start)
    vector=FIRST_EXTERNAL_VECTOR
    pos = .
    .rept (FIRST_SYSTEM_VECTOR - FIRST_EXTERNAL_VECTOR)
	UNWIND_HINT_IRET_REGS
	.byte	0x6a, vector
	jmp	asm_common_interrupt
	nop
	/* Ensure that the above is 8 bytes max */
	. = pos + 8
    pos=pos+8
    vector=vector+1
    .endr
SYM_CODE_END(irq_entries_start)

#ifdef CONFIG_X86_LOCAL_APIC
	.align 8
SYM_CODE_START(spurious_entries_start)
    vector=FIRST_SYSTEM_VECTOR
    pos = .
    .rept (NR_VECTORS - FIRST_SYSTEM_VECTOR)
	UNWIND_HINT_IRET_REGS
	.byte	0x6a, vector
	jmp	asm_spurious_interrupt
	nop
	/* Ensure that the above is 8 bytes max */
	. = pos + 8
    pos=pos+8
    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
 * whistels.
 */
#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_UD,		exc_invalid_op);
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_BP,		exc_int3);
DECLARE_IDTENTRY_RAW_ERRORCODE(X86_TRAP_PF,	exc_page_fault);

#ifdef CONFIG_X86_MCE
DECLARE_IDTENTRY_MCE(X86_TRAP_MC,	exc_machine_check);
#endif

/* NMI */
DECLARE_IDTENTRY_NMI(X86_TRAP_NMI,	exc_nmi);
DECLARE_IDTENTRY_XEN(X86_TRAP_NMI,	nmi);

/* #DB */
DECLARE_IDTENTRY_DEBUG(X86_TRAP_DB,	exc_debug);
DECLARE_IDTENTRY_XEN(X86_TRAP_DB,	debug);

/* #DF */
DECLARE_IDTENTRY_DF(X86_TRAP_DF,	exc_double_fault);

#ifdef CONFIG_XEN_PV
DECLARE_IDTENTRY_XENCB(X86_TRAP_OTHER,	exc_xen_hypervisor_callback);
#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_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_UV
DECLARE_IDTENTRY_SYSVEC(UV_BAU_MESSAGE,			sysvec_uv_bau_message);
# endif

# 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(HYPERVISOR_REENLIGHTENMENT_VECTOR,	sysvec_hyperv_reenlightenment);
DECLARE_IDTENTRY_SYSVEC(HYPERVISOR_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

#undef X86_TRAP_OTHER

#endif