xref: /freebsd/lib/libsys/powerpc/SYS.h (revision 8269e7673cf033aba67dab8264fe719920c70f87)
1*8269e767SBrooks Davis /*-
2*8269e767SBrooks Davis  * SPDX-License-Identifier: BSD-3-Clause
3*8269e767SBrooks Davis  *
4*8269e767SBrooks Davis  * Copyright (c) 2002 Benno Rice.  All rights reserved.
5*8269e767SBrooks Davis  * Copyright (c) 2002 David E. O'Brien.  All rights reserved.
6*8269e767SBrooks Davis  *
7*8269e767SBrooks Davis  * Redistribution and use in source and binary forms, with or without
8*8269e767SBrooks Davis  * modification, are permitted provided that the following conditions
9*8269e767SBrooks Davis  * are met:
10*8269e767SBrooks Davis  * 1. Redistributions of source code must retain the above copyright
11*8269e767SBrooks Davis  *    notice, this list of conditions and the following disclaimer.
12*8269e767SBrooks Davis  * 2. Redistributions in binary form must reproduce the above copyright
13*8269e767SBrooks Davis  *    notice, this list of conditions and the following disclaimer in the
14*8269e767SBrooks Davis  *    documentation and/or other materials provided with the distribution.
15*8269e767SBrooks Davis  * 3. Neither the name of the author nor the names of any contributors
16*8269e767SBrooks Davis  *    may be used to endorse or promote products derived from this software
17*8269e767SBrooks Davis  *    without specific prior written permission.
18*8269e767SBrooks Davis  *
19*8269e767SBrooks Davis  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20*8269e767SBrooks Davis  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21*8269e767SBrooks Davis  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22*8269e767SBrooks Davis  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23*8269e767SBrooks Davis  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24*8269e767SBrooks Davis  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25*8269e767SBrooks Davis  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26*8269e767SBrooks Davis  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27*8269e767SBrooks Davis  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28*8269e767SBrooks Davis  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29*8269e767SBrooks Davis  * SUCH DAMAGE.
30*8269e767SBrooks Davis  *
31*8269e767SBrooks Davis  *	$NetBSD: SYS.h,v 1.8 2002/01/14 00:55:56 thorpej Exp $
32*8269e767SBrooks Davis  */
33*8269e767SBrooks Davis 
34*8269e767SBrooks Davis #include <sys/syscall.h>
35*8269e767SBrooks Davis #include <machine/asm.h>
36*8269e767SBrooks Davis 
37*8269e767SBrooks Davis #define	_SYSCALL(name)						\
38*8269e767SBrooks Davis 	.text;							\
39*8269e767SBrooks Davis 	.align 2;						\
40*8269e767SBrooks Davis 	li	0,(SYS_##name);					\
41*8269e767SBrooks Davis 	sc
42*8269e767SBrooks Davis 
43*8269e767SBrooks Davis #define	_SYSCALL_BODY(name)					\
44*8269e767SBrooks Davis 	_SYSCALL(name);						\
45*8269e767SBrooks Davis 	bnslr;							\
46*8269e767SBrooks Davis 	b	CNAME(HIDENAME(cerror))
47*8269e767SBrooks Davis 
48*8269e767SBrooks Davis #define	PSEUDO(name)						\
49*8269e767SBrooks Davis 	.text;							\
50*8269e767SBrooks Davis 	.align 2;						\
51*8269e767SBrooks Davis ENTRY(__sys_##name);						\
52*8269e767SBrooks Davis 	WEAK_REFERENCE(__sys_##name, _##name);			\
53*8269e767SBrooks Davis 	_SYSCALL_BODY(name);					\
54*8269e767SBrooks Davis END(__sys_##name)
55*8269e767SBrooks Davis 
56*8269e767SBrooks Davis #define	RSYSCALL(name)						\
57*8269e767SBrooks Davis 	.text;							\
58*8269e767SBrooks Davis 	.align 2;						\
59*8269e767SBrooks Davis ENTRY(__sys_##name);						\
60*8269e767SBrooks Davis 	WEAK_REFERENCE(__sys_##name, name);			\
61*8269e767SBrooks Davis 	WEAK_REFERENCE(__sys_##name, _##name);			\
62*8269e767SBrooks Davis 	_SYSCALL_BODY(name);					\
63*8269e767SBrooks Davis END(__sys_##name)
64