xref: /netbsd/sys/arch/dreamcast/include/intr.h (revision bf9ec67e)
1 /*	$NetBSD: intr.h,v 1.3 2002/03/24 18:21:08 uch Exp $	*/
2 
3 /*-
4  * Copyright (c) 2002 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *        This product includes software developed by the NetBSD
18  *        Foundation, Inc. and its contributors.
19  * 4. Neither the name of The NetBSD Foundation nor the names of its
20  *    contributors may be used to endorse or promote products derived
21  *    from this software without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
24  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
25  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
27  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
30  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
31  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
32  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
33  * POSSIBILITY OF SUCH DAMAGE.
34  */
35 
36 #ifndef _DREAMCAST_INTR_H_
37 #define _DREAMCAST_INTR_H_
38 
39 #include <sh3/intr.h>
40 
41 /* Number of interrupt source */
42 #define _INTR_N		9	/* TMU0, TMU1, TMU2, SCIF * 4, GDROM, GAPSPCI */
43 
44 /* Interrupt priority levels */
45 #define	IPL_BIO		9	/* block I/O	(GD-ROM) */
46 #define	IPL_NET		11	/* network	(GAPS PCI) */
47 #define	IPL_TTY		12	/* terminal */
48 #define	IPL_SERIAL	12	/* serial */
49 #define	IPL_CLOCK	14	/* clock */
50 #define	IPL_HIGH	15	/* everything */
51 
52 #define	splsoftclock()		_cpu_intr_raise(IPL_SOFTCLOCK << 4)
53 #define	splsoftnet()		_cpu_intr_raise(IPL_SOFTNET << 4)
54 #define	splsoftserial()		_cpu_intr_raise(IPL_SOFTSERIAL << 4)
55 #define	splbio()		_cpu_intr_raise(IPL_BIO << 4)
56 #define	splnet()		_cpu_intr_raise(IPL_NET << 4)
57 #define	spltty()		_cpu_intr_raise(IPL_TTY << 4)
58 #define	splvm()			spltty()
59 #define	splserial()		_cpu_intr_raise(IPL_SERIAL << 4)
60 #define	splclock()		_cpu_intr_raise(IPL_CLOCK << 4)
61 #define	splstatclock()		splclock()
62 #define	splsched()		splclock()
63 #define	splhigh()		_cpu_intr_raise(IPL_HIGH << 4)
64 #define	spllock()		splhigh()
65 
66 #define	spl0()			_cpu_intr_resume(0)
67 #define	splx(x)			_cpu_intr_resume(x)
68 
69 #define	spllowersoftclock()	_cpu_intr_resume(IPL_SOFTCLOCK << 4)
70 
71 #endif /* !_DREAMCAST_INTR_H_ */
72