1/* SPDX-License-Identifier: GPL-2.0
2 *
3 * arch/sh/kernel/cpu/sh2a/ex.S
4 *
5 * The SH-2A exception vector table
6 *
7 * Copyright (C) 2008 Yoshinori Sato
8 */
9
10#include <linux/linkage.h>
11
12!
13! convert Exception Vector to Exception Number
14!
15
16! exception no 0 to 255
17exception_entry0:
18no	=	0
19	.rept	256
20	mov.l	r1,@-sp
21	bra	exception_trampoline0
22	mov	#no,r1
23no	=	no + 1
24	.endr
25exception_trampoline0:
26	mov.l	r0,@-sp
27	mov.l	1f,r0
28	extu.b	r1,r1
29	jmp	@r0
30	  extu.w	r1,r1
31
32	.align	2
331:	.long	exception_handler
34
35! exception no 256 to 511
36exception_entry1:
37no	=	0
38	.rept	256
39	mov.l	r1,@-sp
40	bra	exception_trampoline1
41	mov	#no,r1
42no	=	no + 1
43	.endr
44exception_trampoline1:
45	mov.l	r0,@-sp
46	extu.b	r1,r1
47	movi20	#0x100,r0
48	add	r0,r1
49	mov.l	1f,r0
50	jmp	@r0
51	  extu.w	r1,r1
52
53	.align	2
541:	.long	exception_handler
55
56	!
57! Exception Vector Base
58!
59	.align	2
60ENTRY(vbr_base)
61vector	=	0
62	.rept	256
63	.long	exception_entry0 + vector * 6
64vector	=	vector + 1
65	.endr
66vector	=	0
67	.rept	256
68	.long	exception_entry1 + vector * 6
69vector	=	vector + 1
70	.endr
71