1/*********************************************************************
2 *
3 * Copyright (C) 2002,  University of New South Wales
4 *
5 * File path:     arch/powerpc64/asm.h
6 * Created:       23/07/2002 17:48:20 by Simon Winwood (sjw)
7 * Description:   Assembler macros etc.
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 * $Id: asm.h,v 1.3 2003/10/17 01:48:55 cvansch Exp $
31 *
32 ********************************************************************/
33
34#ifndef __L4__POWERPC64__ASM_H__
35#define __L4__POWERPC64__ASM_H__
36
37#define BEGIN_PROC(name)			\
38    .global name;				\
39    .align 3;					\
40    .func name;					\
41name:
42
43#define END_PROC(name)				\
44    .endfunc
45
46/*
47 * LD_ADDR ( reg, symbol )
48 *   loads the address of symbol into reg
49 */
50#define	LD_ADDR(reg, symbol)		\
51    lis	    reg, symbol##@highest;	\
52    ori	    reg, reg, symbol##@higher;	\
53    rldicr  reg, reg, 32,31;		\
54    oris    reg, reg, symbol##@h;	\
55    ori	    reg, reg, symbol##@l
56
57#define LD_CONST(reg, value)			\
58    lis	    reg,(((value)>>48)&0xFFFF);		\
59    ori     reg,reg,(((value)>>32)&0xFFFF);	\
60    rldicr  reg,reg,32,31;			\
61    oris    reg,reg,(((value)>>16)&0xFFFF);	\
62    ori     reg,reg,((value)&0xFFFF);
63
64#define LD_LABEL(reg, label)		\
65    lis     reg,(label)@highest;        \
66    ori     reg,reg,(label)@higher;     \
67    rldicr  reg,reg,32,31;              \
68    oris    reg,reg,(label)@h;          \
69    ori     reg,reg,(label)@l;
70/*
71 * Register names
72 */
73#define	sp	%r1
74#define	toc	%r2
75#define	utcb	%r13
76
77#endif /* __L4__POWERPC64__ASM_H__ */
78