xref: /freebsd/lib/libsys/arm/SYS.h (revision f21777224411fee14b8aea6d8465bd6c2b318429)
18269e767SBrooks Davis /*	$NetBSD: SYS.h,v 1.8 2003/08/07 16:42:02 agc Exp $	*/
28269e767SBrooks Davis 
38269e767SBrooks Davis /*-
48269e767SBrooks Davis  * SPDX-License-Identifier: BSD-3-Clause
58269e767SBrooks Davis  *
68269e767SBrooks Davis  * Copyright (c) 1990 The Regents of the University of California.
78269e767SBrooks Davis  * All rights reserved.
88269e767SBrooks Davis  *
98269e767SBrooks Davis  * This code is derived from software contributed to Berkeley by
108269e767SBrooks Davis  * William Jolitz.
118269e767SBrooks Davis  *
128269e767SBrooks Davis  * Redistribution and use in source and binary forms, with or without
138269e767SBrooks Davis  * modification, are permitted provided that the following conditions
148269e767SBrooks Davis  * are met:
158269e767SBrooks Davis  * 1. Redistributions of source code must retain the above copyright
168269e767SBrooks Davis  *    notice, this list of conditions and the following disclaimer.
178269e767SBrooks Davis  * 2. Redistributions in binary form must reproduce the above copyright
188269e767SBrooks Davis  *    notice, this list of conditions and the following disclaimer in the
198269e767SBrooks Davis  *    documentation and/or other materials provided with the distribution.
208269e767SBrooks Davis  * 3. Neither the name of the University nor the names of its contributors
218269e767SBrooks Davis  *    may be used to endorse or promote products derived from this software
228269e767SBrooks Davis  *    without specific prior written permission.
238269e767SBrooks Davis  *
248269e767SBrooks Davis  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
258269e767SBrooks Davis  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
268269e767SBrooks Davis  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
278269e767SBrooks Davis  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
288269e767SBrooks Davis  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
298269e767SBrooks Davis  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
308269e767SBrooks Davis  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
318269e767SBrooks Davis  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
328269e767SBrooks Davis  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
338269e767SBrooks Davis  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
348269e767SBrooks Davis  * SUCH DAMAGE.
358269e767SBrooks Davis  */
368269e767SBrooks Davis 
378269e767SBrooks Davis #include <machine/asm.h>
388269e767SBrooks Davis #include <sys/syscall.h>
398269e767SBrooks Davis 
408269e767SBrooks Davis #define _SYSCALL(x)							\
418269e767SBrooks Davis 			mov ip, r7;					\
428269e767SBrooks Davis 			ldr r7, =SYS_ ## x;				\
438269e767SBrooks Davis 			swi 0;						\
448269e767SBrooks Davis 			mov r7, ip
458269e767SBrooks Davis 
468269e767SBrooks Davis #define	CERROR		_C_LABEL(cerror)
478269e767SBrooks Davis 
48*f2177722SBrooks Davis #ifndef _SYSCALL_BODY
498269e767SBrooks Davis #define _SYSCALL_BODY(x)						\
508269e767SBrooks Davis 	_SYSCALL(x);							\
518269e767SBrooks Davis 	it	cs;							\
528269e767SBrooks Davis 	bcs PIC_SYM(CERROR, PLT);					\
538269e767SBrooks Davis 	RET
54*f2177722SBrooks Davis #endif
558269e767SBrooks Davis 
568269e767SBrooks Davis #define PSEUDO(x)							\
578269e767SBrooks Davis 	ENTRY(__CONCAT(__sys_, x));					\
588269e767SBrooks Davis 	.weak _C_LABEL(__CONCAT(_,x));					\
598269e767SBrooks Davis 	.set _C_LABEL(__CONCAT(_,x)),_C_LABEL(__CONCAT(__sys_,x));	\
608269e767SBrooks Davis 	_SYSCALL_BODY(x)
618269e767SBrooks Davis 
628269e767SBrooks Davis #define RSYSCALL(x)							\
638269e767SBrooks Davis 	ENTRY(__CONCAT(__sys_, x));					\
648269e767SBrooks Davis 	.weak _C_LABEL(x);						\
658269e767SBrooks Davis 	.set _C_LABEL(x), _C_LABEL(__CONCAT(__sys_,x));			\
668269e767SBrooks Davis 	.weak _C_LABEL(__CONCAT(_,x));					\
678269e767SBrooks Davis 	.set _C_LABEL(__CONCAT(_,x)),_C_LABEL(__CONCAT(__sys_,x));	\
688269e767SBrooks Davis 	_SYSCALL_BODY(x);						\
698269e767SBrooks Davis 
708269e767SBrooks Davis 	.globl  CERROR
71