URL https://opencores.org/ocsvn/or1k_soc_on_altera_embedded_dev_kit/or1k_soc_on_altera_embedded_dev_kit/trunk

Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [arch/] [cris/] [arch-v32/] [lib/] [spinlock.S] - Blame information for rev 3

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;; Core of the spinlock implementation
;;
;; Copyright (C) 2004 Axis Communications AB.
;;
;; Author: Mikael Starvik
 
 
        .global cris_spin_lock
        .global cris_spin_trylock
 
        .text
 
cris_spin_lock:
        clearf  p
1:      test.d  [$r10]
        beq     1b
        clearf  p
        ax
        clear.d [$r10]
        bcs     1b
        clearf  p
        ret
        nop
 
cris_spin_trylock:
        clearf  p
1:      move.d  [$r10], $r11
        ax
        clear.d [$r10]
        bcs     1b
        clearf  p
        ret
        move.d  $r11,$r10

Line No.	Rev	Author	Line
1	3	xianfeng	`;; Core of the spinlock implementation`
2			`;;`
3			`;; Copyright (C) 2004 Axis Communications AB.`
4			`;;`
5			`;; Author: Mikael Starvik`
6
7
8			`.global cris_spin_lock`
9			`.global cris_spin_trylock`
10
11			`.text`
12
13			`cris_spin_lock:`
14			`clearf p`
15			`1: test.d [$r10]`
16			`beq 1b`
17			`clearf p`
18			`ax`
19			`clear.d [$r10]`
20			`bcs 1b`
21			`clearf p`
22			`ret`
23			`nop`
24
25			`cris_spin_trylock:`
26			`clearf p`
27			`1: move.d [$r10], $r11`
28			`ax`
29			`clear.d [$r10]`
30			`bcs 1b`
31			`clearf p`
32			`ret`
33			`move.d $r11,$r10`

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Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

[/] [or1k_soc_on_altera_embedded_dev_kit/] [trunk/] [linux-2.6/] [linux-2.6.24/] [arch/] [cris/] [arch-v32/] [lib/] [spinlock.S] - Blame information for rev 3