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[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [arch/] [armnommu/] [lib/] [delay.S] - Blame information for rev 1765

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/*
 * linux/arch/arm/lib/delay.S
 *
 * Copyright (C) 1995, 1996 Russell King
 */
 
#include 
                .text
 
LC0:            .word   loops_per_sec
 
                .global _udelay,udelay
udelay:
_udelay:        mov     r2, #0x1000
                orr     r2, r2, #0x00c6
                mul     r1, r0, r2
                ldr     r2, LC0
                ldr     r2, [r2]
                mov     r1, r1, lsr #11
                mov     r2, r2, lsr #11
                mul     r0, r1, r2
                movs    r0, r0, lsr #10
                RETINSTR(moveq,pc,lr)
 
@ Delay routine
                .global ___delay,__delay
__delay:
___delay:       subs    r0, r0, #1
                RETINSTR(movcc,pc,lr)
                subs    r0, r0, #1
                RETINSTR(movcc,pc,lr)
                subs    r0, r0, #1
                RETINSTR(movcc,pc,lr)
                subs    r0, r0, #1
                RETINSTR(movcc,pc,lr)
                subs    r0, r0, #1
                RETINSTR(movcc,pc,lr)
                subs    r0, r0, #1
                RETINSTR(movcc,pc,lr)
                subs    r0, r0, #1
                RETINSTR(movcc,pc,lr)
                subs    r0, r0, #1
                bcs     ___delay
                RETINSTR(mov,pc,lr)
 

Line No.	Rev	Author	Line
1	199	simons	`/*`
2			`* linux/arch/arm/lib/delay.S`
3			`*`
4			`* Copyright (C) 1995, 1996 Russell King`
5			`*/`
6
7			`#include`
8			`.text`
9
10			`LC0: .word loops_per_sec`
11
12			`.global _udelay,udelay`
13			`udelay:`
14			`_udelay: mov r2, #0x1000`
15			`orr r2, r2, #0x00c6`
16			`mul r1, r0, r2`
17			`ldr r2, LC0`
18			`ldr r2, [r2]`
19			`mov r1, r1, lsr #11`
20			`mov r2, r2, lsr #11`
21			`mul r0, r1, r2`
22			`movs r0, r0, lsr #10`
23			`RETINSTR(moveq,pc,lr)`
24
25			`@ Delay routine`
26			`.global ___delay,__delay`
27			`__delay:`
28			`___delay: subs r0, r0, #1`
29			`RETINSTR(movcc,pc,lr)`
30			`subs r0, r0, #1`
31			`RETINSTR(movcc,pc,lr)`
32			`subs r0, r0, #1`
33			`RETINSTR(movcc,pc,lr)`
34			`subs r0, r0, #1`
35			`RETINSTR(movcc,pc,lr)`
36			`subs r0, r0, #1`
37			`RETINSTR(movcc,pc,lr)`
38			`subs r0, r0, #1`
39			`RETINSTR(movcc,pc,lr)`
40			`subs r0, r0, #1`
41			`RETINSTR(movcc,pc,lr)`
42			`subs r0, r0, #1`
43			`bcs ___delay`
44			`RETINSTR(mov,pc,lr)`
45

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[/] [or1k/] [trunk/] [uclinux/] [uClinux-2.0.x/] [arch/] [armnommu/] [lib/] [delay.S] - Blame information for rev 1765