xref: /freebsd/lib/libsys/arm/SYS.h (revision 8269e7673cf033aba67dab8264fe719920c70f87)
1*8269e767SBrooks Davis /*	$NetBSD: SYS.h,v 1.8 2003/08/07 16:42:02 agc Exp $	*/
2*8269e767SBrooks Davis 
3*8269e767SBrooks Davis /*-
4*8269e767SBrooks Davis  * SPDX-License-Identifier: BSD-3-Clause
5*8269e767SBrooks Davis  *
6*8269e767SBrooks Davis  * Copyright (c) 1990 The Regents of the University of California.
7*8269e767SBrooks Davis  * All rights reserved.
8*8269e767SBrooks Davis  *
9*8269e767SBrooks Davis  * This code is derived from software contributed to Berkeley by
10*8269e767SBrooks Davis  * William Jolitz.
11*8269e767SBrooks Davis  *
12*8269e767SBrooks Davis  * Redistribution and use in source and binary forms, with or without
13*8269e767SBrooks Davis  * modification, are permitted provided that the following conditions
14*8269e767SBrooks Davis  * are met:
15*8269e767SBrooks Davis  * 1. Redistributions of source code must retain the above copyright
16*8269e767SBrooks Davis  *    notice, this list of conditions and the following disclaimer.
17*8269e767SBrooks Davis  * 2. Redistributions in binary form must reproduce the above copyright
18*8269e767SBrooks Davis  *    notice, this list of conditions and the following disclaimer in the
19*8269e767SBrooks Davis  *    documentation and/or other materials provided with the distribution.
20*8269e767SBrooks Davis  * 3. Neither the name of the University nor the names of its contributors
21*8269e767SBrooks Davis  *    may be used to endorse or promote products derived from this software
22*8269e767SBrooks Davis  *    without specific prior written permission.
23*8269e767SBrooks Davis  *
24*8269e767SBrooks Davis  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25*8269e767SBrooks Davis  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26*8269e767SBrooks Davis  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27*8269e767SBrooks Davis  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28*8269e767SBrooks Davis  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29*8269e767SBrooks Davis  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30*8269e767SBrooks Davis  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31*8269e767SBrooks Davis  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32*8269e767SBrooks Davis  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33*8269e767SBrooks Davis  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34*8269e767SBrooks Davis  * SUCH DAMAGE.
35*8269e767SBrooks Davis  */
36*8269e767SBrooks Davis 
37*8269e767SBrooks Davis #include <machine/asm.h>
38*8269e767SBrooks Davis #include <sys/syscall.h>
39*8269e767SBrooks Davis 
40*8269e767SBrooks Davis #define _SYSCALL(x)							\
41*8269e767SBrooks Davis 			mov ip, r7;					\
42*8269e767SBrooks Davis 			ldr r7, =SYS_ ## x;				\
43*8269e767SBrooks Davis 			swi 0;						\
44*8269e767SBrooks Davis 			mov r7, ip
45*8269e767SBrooks Davis 
46*8269e767SBrooks Davis #define	CERROR		_C_LABEL(cerror)
47*8269e767SBrooks Davis 
48*8269e767SBrooks Davis #define _SYSCALL_BODY(x)						\
49*8269e767SBrooks Davis 	_SYSCALL(x);							\
50*8269e767SBrooks Davis 	it	cs;							\
51*8269e767SBrooks Davis 	bcs PIC_SYM(CERROR, PLT);					\
52*8269e767SBrooks Davis 	RET
53*8269e767SBrooks Davis 
54*8269e767SBrooks Davis #define PSEUDO(x)							\
55*8269e767SBrooks Davis 	ENTRY(__CONCAT(__sys_, x));					\
56*8269e767SBrooks Davis 	.weak _C_LABEL(__CONCAT(_,x));					\
57*8269e767SBrooks Davis 	.set _C_LABEL(__CONCAT(_,x)),_C_LABEL(__CONCAT(__sys_,x));	\
58*8269e767SBrooks Davis 	_SYSCALL_BODY(x)
59*8269e767SBrooks Davis 
60*8269e767SBrooks Davis #define RSYSCALL(x)							\
61*8269e767SBrooks Davis 	ENTRY(__CONCAT(__sys_, x));					\
62*8269e767SBrooks Davis 	.weak _C_LABEL(x);						\
63*8269e767SBrooks Davis 	.set _C_LABEL(x), _C_LABEL(__CONCAT(__sys_,x));			\
64*8269e767SBrooks Davis 	.weak _C_LABEL(__CONCAT(_,x));					\
65*8269e767SBrooks Davis 	.set _C_LABEL(__CONCAT(_,x)),_C_LABEL(__CONCAT(__sys_,x));	\
66*8269e767SBrooks Davis 	_SYSCALL_BODY(x);						\
67*8269e767SBrooks Davis 
68*8269e767SBrooks Davis 	.globl  CERROR
69