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2496efde WD |
1 | /* |
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 | |
35 | in8: | |
36 | lbz r3,0(r3) | |
37 | sync | |
38 | blr | |
39 | ||
40 | /* ------------------------------------------------------------------------------- */ | |
41 | /* Function: in16 */ | |
42 | /* Description: Input 16 bits */ | |
43 | /* ------------------------------------------------------------------------------- */ | |
44 | .globl in16 | |
45 | in16: | |
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 | |
55 | in16r: | |
56 | lhbrx r3,0,r3 | |
57 | sync | |
58 | blr | |
59 | ||
60 | /* ------------------------------------------------------------------------------- */ | |
61 | /* Function: in32 */ | |
62 | /* Description: Input 32 bits */ | |
63 | /* ------------------------------------------------------------------------------- */ | |
64 | .globl in32 | |
65 | in32: | |
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 | |
75 | in32r: | |
76 | lwbrx r3,0,r3 | |
77 | sync | |
78 | blr | |
79 | ||
80 | /* ------------------------------------------------------------------------------- */ | |
81 | /* Function: out8 */ | |
82 | /* Description: Output 8 bits */ | |
83 | /* ------------------------------------------------------------------------------- */ | |
84 | .globl out8 | |
85 | out8: | |
86 | stb r4,0(r3) | |
87 | sync | |
88 | blr | |
89 | ||
90 | /* ------------------------------------------------------------------------------- */ | |
91 | /* Function: out16 */ | |
92 | /* Description: Output 16 bits */ | |
93 | /* ------------------------------------------------------------------------------- */ | |
94 | .globl out16 | |
95 | out16: | |
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 | |
105 | out16r: | |
106 | sthbrx r4,0,r3 | |
107 | sync | |
108 | blr | |
109 | ||
110 | /* ------------------------------------------------------------------------------- */ | |
111 | /* Function: out32 */ | |
112 | /* Description: Output 32 bits */ | |
113 | /* ------------------------------------------------------------------------------- */ | |
114 | .globl out32 | |
115 | out32: | |
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 | |
125 | out32r: | |
126 | stwbrx r4,0,r3 | |
127 | sync | |
128 | blr |