1/* insl_ns.S: input array of 4b words from device port 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 __insl_ns(unsigned int port, void *buf, int n)
19#
20###############################################################################
21        .globl		__insl_ns
22        .type		__insl_ns,@function
23__insl_ns:
24	andicc.p	gr9,#3,gr0,icc0
25	setlos		#4,gr4
26	bne		icc0,#0,__insl_ns_misaligned
27	subi		gr9,#4,gr9
280:
29	ldi.p		@(gr8,#0),gr5
30	subicc		gr10,#1,gr10,icc0
31	stu.p		gr5,@(gr9,gr4)
32	bhi		icc0,#2,0b
33	bralr
34
35__insl_ns_misaligned:
36	subi.p		gr9,#1,gr9
37	setlos		#1,gr4
380:
39	ldi		@(gr8,#0),gr5
40
41	srli		gr5,#24,gr6
42	stbu.p		gr6,@(gr9,gr4)
43	srli		gr5,#16,gr6
44	stbu.p		gr6,@(gr9,gr4)
45	srli		gr5,#8,gr6
46	stbu.p		gr6,@(gr9,gr4)
47	subicc		gr10,#1,gr10,icc0
48	stbu.p		gr5,@(gr9,gr4)
49	bhi		icc0,#2,0b
50	bralr
51
52	.size		__insl_ns, .-__insl_ns
53