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