Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* insl_sw.S: input array of 4b words from device port with byte swapping |
2 | * | |
3 | * Copyright (C) 2003 Red Hat, Inc. All Rights Reserved. | |
4 | * Written by David Howells (dhowells@redhat.com) | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or | |
7 | * modify it under the terms of the GNU General Public License | |
8 | * as published by the Free Software Foundation; either version | |
9 | * 2 of the License, or (at your option) any later version. | |
10 | */ | |
11 | ||
12 | ||
13 | .text | |
14 | .p2align 4 | |
15 | ||
16 | ############################################################################### | |
17 | # | |
18 | # void __insl_sw(unsigned int port, void *buf, int n) | |
19 | # | |
20 | ############################################################################### | |
21 | .globl __insl_sw | |
22 | .type __insl_sw,@function | |
23 | __insl_sw: | |
24 | subi.p gr9,#1,gr9 | |
25 | setlos #1,gr4 | |
26 | 0: | |
27 | ldi.p @(gr8,#0),gr5 ; get 0xAABBCCDD | |
28 | subicc gr10,#1,gr10,icc0 | |
29 | ||
30 | stbu.p gr5,@(gr9,gr4) ; write 0xDD | |
31 | srli gr5,#8,gr5 | |
32 | stbu.p gr5,@(gr9,gr4) ; write 0xCC | |
33 | srli gr5,#8,gr5 | |
34 | stbu.p gr5,@(gr9,gr4) ; write 0xBB | |
35 | srli gr5,#8,gr5 | |
36 | stbu.p gr5,@(gr9,gr4) ; write 0xAA | |
37 | bhi icc0,#2,0b | |
38 | bralr | |
39 | ||
40 | .size __insl_sw, .-__insl_sw |