1/*	$NetBSD: irq_dispatch.S,v 1.5 2003/10/30 08:57:24 scw Exp $	*/
2
3/*-
4 * Copyright (c) 2002 Fujitsu Component Limited
5 * Copyright (c) 2002 Genetec Corporation
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. Neither the name of The Fujitsu Component Limited nor the name of
17 *    Genetec corporation may not be used to endorse or promote products
18 *    derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY FUJITSU COMPONENT LIMITED AND GENETEC
21 * CORPORATION ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
22 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
23 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 * DISCLAIMED.  IN NO EVENT SHALL FUJITSU COMPONENT LIMITED OR GENETEC
25 * CORPORATION BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
28 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
29 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 */
35
36/*-
37 * Copyright (c) 2002, 2003 Wasabi Systems, Inc.
38 * All rights reserved.
39 *
40 * Written by Jason R. Thorpe for Wasabi Systems, Inc.
41 *
42 * Redistribution and use in source and binary forms, with or without
43 * modification, are permitted provided that the following conditions
44 * are met:
45 * 1. Redistributions of source code must retain the above copyright
46 *    notice, this list of conditions and the following disclaimer.
47 * 2. Redistributions in binary form must reproduce the above copyright
48 *    notice, this list of conditions and the following disclaimer in the
49 *    documentation and/or other materials provided with the distribution.
50 * 3. All advertising materials mentioning features or use of this software
51 *    must display the following acknowledgement:
52 *	This product includes software developed for the NetBSD Project by
53 *	Wasabi Systems, Inc.
54 * 4. The name of Wasabi Systems, Inc. may not be used to endorse
55 *    or promote products derived from this software without specific prior
56 *    written permission.
57 *
58 * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
59 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
60 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
61 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
62 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
63 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
64 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
65 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
66 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
67 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
68 * POSSIBILITY OF SUCH DAMAGE.
69 */
70
71#include "assym.s"
72#include <machine/asm.h>
73#include <machine/asmacros.h>
74#include <machine/armreg.h>
75__FBSDID("$FreeBSD$");
76
77/*
78 * irq_entry:
79 *	Main entry point for the IRQ vector.  This is a generic version
80 *	which can be used by different platforms.
81 */
82	.text
83	.align	0
84
85.Lcurrent_intr_depth:
86	.word	_C_LABEL(current_intr_depth)
87AST_LOCALS
88
89ASENTRY_NP(irq_entry)
90	sub	lr, lr, #0x00000004	/* Adjust the lr */
91	PUSHFRAMEINSVC			/* Push an interrupt frame */
92	mov	r0, sp			/* arg for dispatcher */
93
94	mov	r1, #0
95	bl	_C_LABEL(arm_handler_execute)
96
97	DO_AST
98	PULLFRAMEFROMSVCANDEXIT
99	movs	pc, lr			/* Exit */
100
101	.data
102	.align	0
103
104	.global _C_LABEL(intrnames), _C_LABEL(sintrnames)
105	.global _C_LABEL(intrcnt), _C_LABEL(sintrcnt)
106_C_LABEL(intrnames):
107	.space NIRQ * (MAXCOMLEN + 1)
108_C_LABEL(intrcnt):
109	.space NIRQ * 4
110_C_LABEL(sintrnames):
111	.int NIRQ * (MAXCOMLEN + 1)
112_C_LABEL(sintrcnt):
113	.int NIRQ * 4
114
115	.global _C_LABEL(current_intr_depth)
116_C_LABEL(current_intr_depth):
117	.word	0
118
119