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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/* outsl_ns.S: output array of 4b words to device without 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 __outsl_ns(unsigned int port, const void *buf, int n)
19#
20###############################################################################
21 .globl __outsl_ns
22 .type __outsl_ns,@function
23__outsl_ns:
24 andicc.p gr9,#3,gr0,icc0
25 setlos #4,gr4
26 bne icc0,#0,__outsl_ns_misaligned
27 subi gr9,#4,gr9
280:
29 ldu.p @(gr9,gr4),gr5
30 subicc gr10,#1,gr10,icc0
31 sti.p gr5,@(gr8,#0)
32 bhi icc0,#2,0b
33
34 membar
35 bralr
36
37__outsl_ns_misaligned:
38 subi.p gr9,#1,gr9
39 setlos #1,gr4
400:
41 ldubu @(gr9,gr4),gr5
42 ldubu.p @(gr9,gr4),gr6
43 slli gr5,#8,gr5
44 ldubu.p @(gr9,gr4),gr7
45 or gr5,gr6,gr5
46 ldubu.p @(gr9,gr4),gr6
47 slli gr5,#16,gr5
48 slli.p gr7,#8,gr7
49 or gr5,gr6,gr5
50 subicc.p gr10,#1,gr10,icc0
51 or gr5,gr7,gr5
52
53 sti.p gr5,@(gr8,#0)
54 bhi icc0,#2,0b
55
56 membar
57 bralr
58
59 .size __outsl_ns, .-__outsl_ns