asmacros.h revision 84176 
1/*-
2 * Copyright (c) 2001 Jake Burkholder.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: head/sys/sparc64/include/asmacros.h 84176 2001-09-30 18:41:57Z jake $
27 */
28
29#ifndef	_MACHINE_ASMACROS_H_
30#define	_MACHINE_ASMACROS_H_
31
32#ifdef _KERNEL
33
34	.register %g2,#ignore
35	.register %g3,#ignore
36	.register %g6,#ignore
37	.register %g7,#ignore
38
39#define	PCPU(member)	%g7 + GD_ ## member
40#define	PCPU_ADDR(member, reg) add %g7, GD_ ## member, reg
41
42#define	DEBUGGER()	ta %xcc, 1
43
44#define	PANIC(msg, reg) \
45	.sect	.rodata ; \
469:	.asciz	msg ; \
47	.previous ; \
48	setx	9b, reg, %o0 ; \
49	call	panic ; \
50	 nop
51
52#endif
53
54#define	DATA(name) \
55	.data ; \
56	.globl	name ; \
57	.type	name, @object ; \
58name ## :
59
60#define	EMPTY
61
62#define	ENTRY(name) \
63	.text ; \
64	.align	16 ; \
65	.globl	name ; \
66	.type	name, @function ; \
67name ## :
68
69#define	END(name) \
70	.size	name, . - name
71
72#endif /* !_MACHINE_ASMACROS_H_ */
73