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wdenk2496efd2002-01-15 18:58:11 +00001/*
2 * Copyright (C) 1998 Dan Malek <dmalek@jlc.net>
3 * Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
4 * Copyright (C) 2001 Sysgo Real-Time Solutions, GmbH <www.elinos.com>
5 * Andreas Heppel <aheppel@sysgo.de>
6 * Copyright (C) 2002 Wolfgang Denk <wd@denx.de>
7 *
8 * See file CREDITS for list of people who contributed to this
9 * project.
10 *
11 * This program is free software; you can redistribute it and/or
12 * modify it under the terms of the GNU General Public License as
13 * published by the Free Software Foundation; either version 2 of
14 * the License, or (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
24 * MA 02111-1307 USA
25 */
26
27#include <config.h>
28#include <ppc_asm.tmpl>
29
30/* ------------------------------------------------------------------------------- */
31/* Function: in8 */
32/* Description: Input 8 bits */
33/* ------------------------------------------------------------------------------- */
34 .globl in8
35in8:
36 lbz r3,0(r3)
37 sync
38 blr
39
40/* ------------------------------------------------------------------------------- */
41/* Function: in16 */
42/* Description: Input 16 bits */
43/* ------------------------------------------------------------------------------- */
44 .globl in16
45in16:
46 lhz r3,0(r3)
47 sync
48 blr
49
50/* ------------------------------------------------------------------------------- */
51/* Function: in16r */
52/* Description: Input 16 bits and byte reverse */
53/* ------------------------------------------------------------------------------- */
54 .globl in16r
55in16r:
56 lhbrx r3,0,r3
57 sync
58 blr
59
60/* ------------------------------------------------------------------------------- */
61/* Function: in32 */
62/* Description: Input 32 bits */
63/* ------------------------------------------------------------------------------- */
64 .globl in32
65in32:
66 lwz 3,0(3)
67 sync
68 blr
69
70/* ------------------------------------------------------------------------------- */
71/* Function: in32r */
72/* Description: Input 32 bits and byte reverse */
73/* ------------------------------------------------------------------------------- */
74 .globl in32r
75in32r:
76 lwbrx r3,0,r3
77 sync
78 blr
79
80/* ------------------------------------------------------------------------------- */
81/* Function: out8 */
82/* Description: Output 8 bits */
83/* ------------------------------------------------------------------------------- */
84 .globl out8
85out8:
86 stb r4,0(r3)
87 sync
88 blr
89
90/* ------------------------------------------------------------------------------- */
91/* Function: out16 */
92/* Description: Output 16 bits */
93/* ------------------------------------------------------------------------------- */
94 .globl out16
95out16:
96 sth r4,0(r3)
97 sync
98 blr
99
100/* ------------------------------------------------------------------------------- */
101/* Function: out16r */
102/* Description: Byte reverse and output 16 bits */
103/* ------------------------------------------------------------------------------- */
104 .globl out16r
105out16r:
106 sthbrx r4,0,r3
107 sync
108 blr
109
110/* ------------------------------------------------------------------------------- */
111/* Function: out32 */
112/* Description: Output 32 bits */
113/* ------------------------------------------------------------------------------- */
114 .globl out32
115out32:
116 stw r4,0(r3)
117 sync
118 blr
119
120/* ------------------------------------------------------------------------------- */
121/* Function: out32r */
122/* Description: Byte reverse and output 32 bits */
123/* ------------------------------------------------------------------------------- */
124 .globl out32r
125out32r:
126 stwbrx r4,0,r3
127 sync
128 blr