xref: /netbsd-src/lib/libc/arch/arm/SYS.h (revision bcc8ec9959e7b01e313d813067bfb43a3ad70551)
1 /*	$NetBSD: SYS.h,v 1.1 2000/12/29 20:13:45 bjh21 Exp $	*/
2 
3 /*-
4  * Copyright (c) 1990 The Regents of the University of California.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to Berkeley by
8  * William Jolitz.
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  * 3. All advertising materials mentioning features or use of this software
19  *    must display the following acknowledgement:
20  *	This product includes software developed by the University of
21  *	California, Berkeley and its contributors.
22  * 4. Neither the name of the University nor the names of its contributors
23  *    may be used to endorse or promote products derived from this software
24  *    without specific prior written permission.
25  *
26  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGE.
37  *
38  *	from: @(#)SYS.h	5.5 (Berkeley) 5/7/91
39  */
40 
41 #include <machine/asm.h>
42 #include <sys/syscall.h>
43 
44 #ifdef __STDC__
45 #define SYSTRAP(x)	swi SYS_ ## x
46 #else
47 #define SYSTRAP(x)	swi SYS_/**/x
48 #endif
49 
50 #define _SYSCALL_NOERROR(x,y)						\
51 	ENTRY(x);							\
52 	SYSTRAP(y)
53 
54 #define _SYSCALL(x, y)							\
55 	_SYSCALL_NOERROR(x,y);						\
56 	bcs cerror
57 
58 #define SYSCALL_NOERROR(x)						\
59 	_SYSCALL_NOERROR(x,x)
60 
61 #define SYSCALL(x)							\
62 	_SYSCALL(x,x)
63 
64 #ifdef __APCS_26__
65 
66 #define PSEUDO_NOERROR(x,y)						\
67 	_SYSCALL_NOERROR(x,y);						\
68 	movs r15, r14
69 
70 #define PSEUDO(x,y)							\
71 	_SYSCALL(x,y);							\
72 	movs r15, r14
73 
74 #else /* !__APCS_26__ */
75 
76 #define PSEUDO_NOERROR(x,y)						\
77 	_SYSCALL_NOERROR(x,y);						\
78 	mov r15, r14
79 
80 #define PSEUDO(x,y)							\
81 	_SYSCALL(x,y);							\
82 	mov r15, r14
83 
84 #endif /* !__APCS_26__ */
85 
86 #define RSYSCALL_NOERROR(x)						\
87 	PSEUDO_NOERROR(x,x)
88 
89 #define RSYSCALL(x)							\
90 	PSEUDO(x,x)
91 
92 	.globl	cerror
93