xref: /netbsd/sys/arch/atari/include/mtpr.h (revision bf9ec67e)
1 /*	$NetBSD: mtpr.h,v 1.5 2002/05/23 06:46:20 leo Exp $	*/
2 
3 /*
4  * Copyright (c) 1988 University of Utah.
5  * Copyright (c) 1990 The Regents of the University of California.
6  * All rights reserved.
7  *
8  * This code is derived from software contributed to Berkeley by
9  * the Systems Programming Group of the University of Utah Computer
10  * Science Department.
11  *
12  * Redistribution and use in source and binary forms, with or without
13  * modification, are permitted provided that the following conditions
14  * are met:
15  * 1. Redistributions of source code must retain the above copyright
16  *    notice, this list of conditions and the following disclaimer.
17  * 2. Redistributions in binary form must reproduce the above copyright
18  *    notice, this list of conditions and the following disclaimer in the
19  *    documentation and/or other materials provided with the distribution.
20  * 3. All advertising materials mentioning features or use of this software
21  *    must display the following acknowledgement:
22  *	This product includes software developed by the University of
23  *	California, Berkeley and its contributors.
24  * 4. Neither the name of the University nor the names of its contributors
25  *    may be used to endorse or promote products derived from this software
26  *    without specific prior written permission.
27  *
28  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
29  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
30  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
31  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
32  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
33  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
34  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
35  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
36  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
37  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
38  * SUCH DAMAGE.
39  *
40  * from: Utah $Hdr: mtpr.h 1.1 90/07/09$
41  *
42  *	@(#)mtpr.h	7.2 (Berkeley) 11/3/90
43  */
44 
45 #ifndef _MACHINE_MTPR_H_
46 #define _MACHINE_MTPR_H_
47 
48 #ifdef _KERNEL
49 
50 #include <m68k/asm_single.h>
51 /*
52  * simulated software interrupt register
53  */
54 
55 extern volatile unsigned char ssir;
56 
57 #define SIR_NET		0x1	/* call netintr()		*/
58 #define SIR_CLOCK	0x2	/* call softclock()		*/
59 #define	SIR_CBACK	0x4	/* walk the sicallback-chain	*/
60 
61 #define siron(x)	single_inst_bset_b((ssir), (x))
62 #define	siroff(x)	single_inst_bclr_b((ssir), (x))
63 
64 #define setsoftnet()	siron(SIR_NET)
65 #define setsoftclock()	siron(SIR_CLOCK)
66 #define setsoftcback()	siron(SIR_CBACK)
67 
68 #endif /* _KERNEL */
69 
70 #endif /* !_MACHINE_MTPR_H_ */
71