1/*	$NetBSD: vectors.S,v 1.4 2002/08/17 16:36:32 thorpej Exp $	*/
2
3/*-
4 * Copyright (C) 1994-1997 Mark Brinicombe
5 * Copyright (C) 1994 Brini
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 *    must display the following acknowledgement:
18 *	This product includes software developed by Brini.
19 * 4. The name of Brini may not be used to endorse or promote products
20 *    derived from this software without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY BRINI ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL BRINI BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 */
34
35#include <machine/asm.h>
36__FBSDID("$FreeBSD$");
37
38/*
39 * These are the exception vectors copied down to page 0.
40 *
41 * Note that FIQs are special; rather than using a level of
42 * indirection, we actually copy the FIQ code down into the
43 * vector page.
44 */
45
46	.text
47	.align	0
48	.global	_C_LABEL(page0), _C_LABEL(page0_data), _C_LABEL(page0_end)
49	.global _C_LABEL(fiqvector)
50
51_C_LABEL(page0):
52	ldr	pc, .Lreset_target
53	ldr	pc, .Lundefined_target
54	ldr	pc, .Lswi_target
55	ldr	pc, .Lprefetch_abort_target
56	ldr	pc, .Ldata_abort_target
57	ldr	pc, .Laddress_exception_target
58	ldr	pc, .Lirq_target
59#ifdef __ARM_FIQ_INDIRECT
60	ldr	pc, .Lfiq_target
61#else
62.Lfiqvector:
63	.set	_C_LABEL(fiqvector), . - _C_LABEL(page0)
64	subs	pc, lr, #4
65	.org	.Lfiqvector + 0x100
66#endif
67
68_C_LABEL(page0_data):
69.Lreset_target:
70	.word	reset_entry
71
72.Lundefined_target:
73	.word	undefined_entry
74
75.Lswi_target:
76	.word	swi_entry
77
78.Lprefetch_abort_target:
79	.word	prefetch_abort_entry
80
81.Ldata_abort_target:
82	.word	data_abort_entry
83
84.Laddress_exception_target:
85	.word	address_exception_entry
86
87.Lirq_target:
88	.word	irq_entry
89
90#ifdef __ARM_FIQ_INDIRECT
91.Lfiq_target:
92	.word	_C_LABEL(fiqvector)
93#else
94	.word	0	/* pad it out */
95#endif
96_C_LABEL(page0_end):
97
98#ifdef __ARM_FIQ_INDIRECT
99	.data
100	.align	0
101_C_LABEL(fiqvector):
102	subs	pc, lr, #4
103	.org	_C_LABEL(fiqvector) + 0x100
104#endif
105