1/* $NetBSD: SYS.h,v 1.8 2002/01/14 00:55:55 thorpej Exp $ */
2
3/*
4 * Copyright (c) 1994, 1995 Carnegie-Mellon University.
5 * All rights reserved.
6 *
7 * Author: Chris G. Demetriou
8 *
9 * Permission to use, copy, modify and distribute this software and
10 * its documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation.
14 *
15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
17 * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18 *
19 * Carnegie Mellon requests users of this software to return to
20 *
21 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
22 *  School of Computer Science
23 *  Carnegie Mellon University
24 *  Pittsburgh PA 15213-3890
25 *
26 * any improvements or extensions that they make and grant Carnegie the
27 * rights to redistribute these changes.
28 */
29
30#include <sys/cdefs.h>
31
32#include <machine/asm.h>
33#include <sys/syscall.h>
34
35#define RET { br.ret.sptk.few rp;; }
36
37#define CALLSYS_ERROR(name)					\
38	CALLSYS_NOERROR(name)					\
39{	cmp.ne  p6,p0=r0,r10;					\
40(p6)    br.cond.sptk.few __cerror ;; }
41
42#define	SYSCALL(name)						\
43ENTRY(name,0);				/* XXX # of args? */	\
44	CALLSYS_ERROR(name)
45
46#define	SYSCALL_NOERROR(name)					\
47ENTRY(name,0);				/* XXX # of args? */	\
48	CALLSYS_NOERROR(name)
49
50#define	PSEUDO(label,name)					\
51ENTRY(label,0);				/* XXX # of args? */	\
52	CALLSYS_ERROR(name);					\
53	RET;							\
54END(label);
55
56#define	PSEUDO_NOERROR(label,name)				\
57ENTRY(label,0);				/* XXX # of args? */	\
58	CALLSYS_NOERROR(name);					\
59	RET;							\
60END(label);
61
62#define RSYSCALL(name)						\
63	SYSCALL(name);						\
64	RET;							\
65END(name)
66
67#define RSYSCALL_NOERROR(name)					\
68	SYSCALL_NOERROR(name);					\
69	RET;							\
70END(name)
71
72#define	WSYSCALL(weak,strong)					\
73	WEAK_ALIAS(weak,strong);				\
74	PSEUDO(strong,weak)
75