projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 945af8d7 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) 2003 Wolfgang Denk <wd@denx.de> | |
| 7 | * | |
| 1a459660 | 8 | * SPDX-License-Identifier: GPL-2.0+ |
| 945af8d7 WD |
9 | */ |
| 10 | ||
| 11 | #include <config.h> | |
| 12 | #include <ppc_asm.tmpl> | |
| 13 | ||
| 14 | /* ------------------------------------------------------------------------------- */ | |
| 15 | /* Function: in8 */ | |
| 16 | /* Description: Input 8 bits */ | |
| 17 | /* ------------------------------------------------------------------------------- */ | |
| 18 | .globl in8 | |
| 19 | in8: | |
| 20 | lbz r3,0(r3) | |
| 21 | sync | |
| 22 | blr | |
| 23 | ||
| 24 | /* ------------------------------------------------------------------------------- */ | |
| 25 | /* Function: in16 */ | |
| 26 | /* Description: Input 16 bits */ | |
| 27 | /* ------------------------------------------------------------------------------- */ | |
| 28 | .globl in16 | |
| 29 | in16: | |
| 30 | lhz r3,0(r3) | |
| 31 | sync | |
| 32 | blr | |
| 33 | ||
| 34 | /* ------------------------------------------------------------------------------- */ | |
| 35 | /* Function: in16r */ | |
| 36 | /* Description: Input 16 bits and byte reverse */ | |
| 37 | /* ------------------------------------------------------------------------------- */ | |
| 38 | .globl in16r | |
| 39 | in16r: | |
| 40 | lhbrx r3,0,r3 | |
| 41 | sync | |
| 42 | blr | |
| 43 | ||
| 44 | /* ------------------------------------------------------------------------------- */ | |
| 45 | /* Function: in32 */ | |
| 46 | /* Description: Input 32 bits */ | |
| 47 | /* ------------------------------------------------------------------------------- */ | |
| 48 | .globl in32 | |
| 49 | in32: | |
| 50 | lwz 3,0(3) | |
| 51 | sync | |
| 52 | blr | |
| 53 | ||
| 54 | /* ------------------------------------------------------------------------------- */ | |
| 55 | /* Function: in32r */ | |
| 56 | /* Description: Input 32 bits and byte reverse */ | |
| 57 | /* ------------------------------------------------------------------------------- */ | |
| 58 | .globl in32r | |
| 59 | in32r: | |
| 60 | lwbrx r3,0,r3 | |
| 61 | sync | |
| 62 | blr | |
| 63 | ||
| 64 | /* ------------------------------------------------------------------------------- */ | |
| 65 | /* Function: out8 */ | |
| 66 | /* Description: Output 8 bits */ | |
| 67 | /* ------------------------------------------------------------------------------- */ | |
| 68 | .globl out8 | |
| 69 | out8: | |
| 70 | stb r4,0(r3) | |
| 71 | sync | |
| 72 | blr | |
| 73 | ||
| 74 | /* ------------------------------------------------------------------------------- */ | |
| 75 | /* Function: out16 */ | |
| 76 | /* Description: Output 16 bits */ | |
| 77 | /* ------------------------------------------------------------------------------- */ | |
| 78 | .globl out16 | |
| 79 | out16: | |
| 80 | sth r4,0(r3) | |
| 81 | sync | |
| 82 | blr | |
| 83 | ||
| 84 | /* ------------------------------------------------------------------------------- */ | |
| 85 | /* Function: out16r */ | |
| 86 | /* Description: Byte reverse and output 16 bits */ | |
| 87 | /* ------------------------------------------------------------------------------- */ | |
| 88 | .globl out16r | |
| 89 | out16r: | |
| 90 | sthbrx r4,0,r3 | |
| 91 | sync | |
| 92 | blr | |
| 93 | ||
| 94 | /* ------------------------------------------------------------------------------- */ | |
| 95 | /* Function: out32 */ | |
| 96 | /* Description: Output 32 bits */ | |
| 97 | /* ------------------------------------------------------------------------------- */ | |
| 98 | .globl out32 | |
| 99 | out32: | |
| 100 | stw r4,0(r3) | |
| 101 | sync | |
| 102 | blr | |
| 103 | ||
| 104 | /* ------------------------------------------------------------------------------- */ | |
| 105 | /* Function: out32r */ | |
| 106 | /* Description: Byte reverse and output 32 bits */ | |
| 107 | /* ------------------------------------------------------------------------------- */ | |
| 108 | .globl out32r | |
| 109 | out32r: | |
| 110 | stwbrx r4,0,r3 | |
| 111 | sync | |
| 112 | blr |