asmacros.h revision 263056 
1/*-
2 * Copyright (c) 2012 Olivier Houchard <cognet@FreeBSD.org>
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/arm/include/asmacros.h 263056 2014-03-11 22:41:34Z ian $
27 */
28
29#ifndef	_MACHINE_ASMACROS_H_
30#define	_MACHINE_ASMACROS_H_
31
32#include <machine/asm.h>
33
34#ifdef _KERNEL
35
36#ifdef LOCORE
37#include "opt_global.h"
38
39#ifdef _ARM_ARCH_6
40#define GET_CURTHREAD_PTR(tmp) \
41    	mrc	p15, 0, tmp, c13, c0, 4
42#else
43#define GET_CURTHREAD_PTR(tmp)	\
44	ldr	tmp, =_C_LABEL(__pcpu);\
45	ldr	tmp, [tmp, #PC_CURTHREAD]
46#endif
47
48#endif /* LOCORE */
49
50#endif /* _KERNEL */
51
52#endif /* !_MACHINE_ASMACROS_H_ */
53