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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [arch/] [arm/] [lib/] [io-writesl.S] - Blame information for rev 1765

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/*
 *  linux/arch/arm/lib/io-writesl.S
 *
 *  Copyright (C) 1995-2000 Russell King
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#include 
#include 
#include 
 
ENTRY(__raw_writesl)
                teq     r2, #0          @ do we have to check for the zero len?
                moveq   pc, lr
                ands    ip, r1, #3
                bne     2f
 
1:              ldr     r3, [r1], #4
                str     r3, [r0]
                subs    r2, r2, #1
                bne     1b
                mov     pc, lr
 
2:              bic     r1, r1, #3
                cmp     ip, #2
                ldr     r3, [r1], #4
                bgt     4f
                blt     5f
 
3:              mov     ip, r3, lsr #16
                ldr     r3, [r1], #4
                orr     ip, ip, r3, lsl #16
                str     ip, [r0]
                subs    r2, r2, #1
                bne     3b
                mov     pc, lr
 
4:              mov     ip, r3, lsr #24
                ldr     r3, [r1], #4
                orr     ip, ip, r3, lsl #8
                str     ip, [r0]
                subs    r2, r2, #1
                bne     4b
                mov     pc, lr
 
5:              mov     ip, r3, lsr #8
                ldr     r3, [r1], #4
                orr     ip, ip, r3, lsl #24
                str     ip, [r0]
                subs    r2, r2, #1
                bne     5b
                mov     pc, lr
 
 

Line No.	Rev	Author	Line
1	1275	phoenix	`/*`
2			`* linux/arch/arm/lib/io-writesl.S`
3			`*`
4			`* Copyright (C) 1995-2000 Russell King`
5			`*`
6			`* This program is free software; you can redistribute it and/or modify`
7			`* it under the terms of the GNU General Public License version 2 as`
8			`* published by the Free Software Foundation.`
9			`*/`
10			`#include`
11			`#include`
12			`#include`
13
14			`ENTRY(__raw_writesl)`
15			`teq r2, #0 @ do we have to check for the zero len?`
16			`moveq pc, lr`
17			`ands ip, r1, #3`
18			`bne 2f`
19
20			`1: ldr r3, [r1], #4`
21			`str r3, [r0]`
22			`subs r2, r2, #1`
23			`bne 1b`
24			`mov pc, lr`
25
26			`2: bic r1, r1, #3`
27			`cmp ip, #2`
28			`ldr r3, [r1], #4`
29			`bgt 4f`
30			`blt 5f`
31
32			`3: mov ip, r3, lsr #16`
33			`ldr r3, [r1], #4`
34			`orr ip, ip, r3, lsl #16`
35			`str ip, [r0]`
36			`subs r2, r2, #1`
37			`bne 3b`
38			`mov pc, lr`
39
40			`4: mov ip, r3, lsr #24`
41			`ldr r3, [r1], #4`
42			`orr ip, ip, r3, lsl #8`
43			`str ip, [r0]`
44			`subs r2, r2, #1`
45			`bne 4b`
46			`mov pc, lr`
47
48			`5: mov ip, r3, lsr #8`
49			`ldr r3, [r1], #4`
50			`orr ip, ip, r3, lsl #24`
51			`str ip, [r0]`
52			`subs r2, r2, #1`
53			`bne 5b`
54			`mov pc, lr`
55
56

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[/] [or1k/] [trunk/] [linux/] [linux-2.4/] [arch/] [arm/] [lib/] [io-writesl.S] - Blame information for rev 1765