xref: /netbsd-src/sys/arch/hpcmips/hpcmips/interrupt.c (revision 7433666e375b3ac4cc764df5a6726be98bc1cdd5)
1 /*	$NetBSD: interrupt.c,v 1.21 2023/12/20 14:50:02 thorpej Exp $	*/
2 
3 /*-
4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Jason R. Thorpe.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/cdefs.h>
33 __KERNEL_RCSID(0, "$NetBSD: interrupt.c,v 1.21 2023/12/20 14:50:02 thorpej Exp $");
34 
35 #include "opt_vr41xx.h"
36 #include "opt_tx39xx.h"
37 
38 #define __INTR_PRIVATE
39 
40 #include <sys/param.h>
41 #include <sys/cpu.h>
42 #include <sys/intr.h>
43 
44 #include <mips/locore.h>
45 
46 #include <machine/sysconf.h>
47 
48 void
intr_init(void)49 intr_init(void)
50 {
51 
52 	ipl_sr_map = CPUISMIPS3 ? __ipl_sr_map_vr : __ipl_sr_map_tx;
53 }
54 
55 #if defined(VR41XX) && defined(TX39XX)
56 /*
57  * cpu_intr:
58  *
59  *	handle MIPS CPU interrupt.
60  *	if VR41XX only or TX39XX only kernel, directly jump to each handler
61  *	(tx/tx39icu.c, vr/vr.c), don't use this dispather.
62  *
63  */
64 void
cpu_intr(int ppl,vaddr_t pc,uint32_t status)65 cpu_intr(int ppl, vaddr_t pc, uint32_t status)
66 {
67 
68 	(*platform.cpu_intr)(ppl, pc, status);
69 }
70 #endif /* VR41XX && TX39XX */
71