asmacros.h revision 330897 
1/*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3 *
4 * Copyright (c) 2012 Olivier Houchard <cognet@FreeBSD.org>
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 *
28 * $FreeBSD: stable/11/sys/arm/include/asmacros.h 330897 2018-03-14 03:19:51Z eadler $
29 */
30
31#ifndef	_MACHINE_ASMACROS_H_
32#define	_MACHINE_ASMACROS_H_
33
34#include <machine/asm.h>
35
36#ifdef _KERNEL
37
38#ifdef LOCORE
39
40#ifdef _ARM_ARCH_6
41#define GET_CURTHREAD_PTR(tmp) \
42    	mrc	p15, 0, tmp, c13, c0, 4
43#else
44#define GET_CURTHREAD_PTR(tmp)	\
45	ldr	tmp, =_C_LABEL(__pcpu);\
46	ldr	tmp, [tmp, #PC_CURTHREAD]
47#endif
48
49#define	ELFNOTE(section, type, vendor, desctype, descdata...)	  \
50	.pushsection section					; \
51	    .balign 4						; \
52	    .long 2f - 1f		/* namesz */		; \
53	    .long 4f - 3f		/* descsz */		; \
54	    .long type			/* type */		; \
55	    1: .asciz vendor		/* vendor name */	; \
56	    2: .balign 4					; \
57	    3:  desctype descdata	/* node */		; \
58	    4: .balign 4					; \
59	.popsection
60
61#endif /* LOCORE */
62
63#endif /* _KERNEL */
64
65#endif /* !_MACHINE_ASMACROS_H_ */
66