1/*-
2 * Copyright (c) 2014 Andrew Turner
3 * Copyright (c) 2015 The FreeBSD Foundation
4 * All rights reserved.
5 *
6 * This software was developed by Andrew Turner under
7 * sponsorship from the FreeBSD Foundation.
8 *
9 * Redistribution and use in source and binary forms, with or without
10 * modification, are permitted provided that the following conditions
11 * are met:
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 *    notice, this list of conditions and the following disclaimer in the
16 *    documentation and/or other materials provided with the distribution.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * SUCH DAMAGE.
29 *
30 * $FreeBSD$
31 */
32
33#include <sys/syscall.h>
34#include <machine/asm.h>
35
36#define	_SYSCALL(name)						\
37	mov	x8, SYS_ ## name;				\
38	svc	0
39
40#define	SYSCALL(name)						\
41ENTRY(__sys_##name);						\
42	WEAK_REFERENCE(__sys_##name, name);			\
43	WEAK_REFERENCE(__sys_##name, _##name);			\
44	_SYSCALL(name);						\
45	ret;							\
46END(__sys_##name)
47
48#define	PSEUDO(name)						\
49ENTRY(__sys_##name);						\
50	WEAK_REFERENCE(__sys_##name, _##name);			\
51	_SYSCALL(name);						\
52	b.cs	cerror;						\
53	ret;							\
54END(__sys_##name)
55
56#define	RSYSCALL(name)						\
57ENTRY(__sys_##name);						\
58	WEAK_REFERENCE(__sys_##name, name);			\
59	WEAK_REFERENCE(__sys_##name, _##name);			\
60	_SYSCALL(name);						\
61	b.cs	cerror;						\
62	ret;							\
63END(__sys_##name)
64