blob: 82696bbbfca0e6971d227e34d2a4bebef66cd295 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
|
/*
* arch/ubicom32/include/asm/ubicom32-common-asm.h
* Ubicom32 atomic lock operations.
*
* (C) Copyright 2009, Ubicom, Inc.
*
* This file is part of the Ubicom32 Linux Kernel Port.
*
* The Ubicom32 Linux Kernel Port is free software: you can redistribute
* it and/or modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, either version 2 of the
* License, or (at your option) any later version.
*
* The Ubicom32 Linux Kernel Port is distributed in the hope that it
* will be useful, but WITHOUT ANY WARRANTY; without even the implied
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with the Ubicom32 Linux Kernel Port. If not,
* see <http://www.gnu.org/licenses/>.
*
* Ubicom32 implementation derived from (with many thanks):
* arch/m68knommu
* arch/blackfin
* arch/parisc
*/
#ifndef _ASM_UBICOM32_UBICOM32_COMMON_ASM_H
#define _ASM_UBICOM32_UBICOM32_COMMON_ASM_H
/*
* atomic_lock_acquire macro
* Equivalent to __atomic_lock_acquire()
*/
.macro atomic_lock_acquire
bset scratchpad1, scratchpad1, #ATOMIC_LOCK_BIT
jmpne.f .-4
.endm
/*
* atomic_lock_release macro
* Equivalent to __atomic_lock_release()
*/
.macro atomic_lock_release
bclr scratchpad1, scratchpad1, #ATOMIC_LOCK_BIT
.endm
#endif /* _ASM_UBICOM32_UBICOM32_COMMON_ASM_H */
|
