+++ /dev/null
-/*
- * arch/ubicom32/include/asm/bitops.h
- * Bit manipulation definitions for Ubicom32 architecture.
- *
- * (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_BITOPS_H
-#define _ASM_UBICOM32_BITOPS_H
-
-/*
- * Copyright 1992, Linus Torvalds.
- */
-
-#include <linux/compiler.h>
-#include <asm/byteorder.h> /* swab32 */
-
-#ifdef __KERNEL__
-
-#ifndef _LINUX_BITOPS_H
-#error only <linux/bitops.h> can be included directly
-#endif
-
-#include <asm-generic/bitops/ffs.h>
-#include <asm-generic/bitops/__ffs.h>
-
-#include <asm-generic/bitops/sched.h>
-#include <asm-generic/bitops/ffz.h>
-
-#include <asm/ubicom32-common.h>
-
-static inline void set_bit(int bit, volatile unsigned long *p)
-{
- unsigned long mask = 1UL << (bit & 31);
-
- p += bit >> 5;
-
- __atomic_lock_acquire();
- *p |= mask;
- __atomic_lock_release();
-}
-
-static inline void clear_bit(int bit, volatile unsigned long *p)
-{
- unsigned long mask = 1UL << (bit & 31);
-
- p += bit >> 5;
-
- __atomic_lock_acquire();
- *p &= ~mask;
- __atomic_lock_release();
-}
-
-/*
- * clear_bit() doesn't provide any barrier for the compiler.
- */
-#define smp_mb__before_clear_bit() barrier()
-#define smp_mb__after_clear_bit() barrier()
-
-static inline void change_bit(int bit, volatile unsigned long *p)
-{
- unsigned long mask = 1UL << (bit & 31);
-
- p += bit >> 5;
-
- __atomic_lock_acquire();
- *p ^= mask;
- __atomic_lock_release();
-}
-
-static inline int test_and_set_bit(int bit, volatile unsigned long *p)
-{
- unsigned int res;
- unsigned long mask = 1UL << (bit & 31);
-
- p += bit >> 5;
-
- __atomic_lock_acquire();
- res = *p;
- *p = res | mask;
- __atomic_lock_release();
-
- return res & mask;
-}
-
-static inline int test_and_clear_bit(int bit, volatile unsigned long *p)
-{
- unsigned int res;
- unsigned long mask = 1UL << (bit & 31);
-
- p += bit >> 5;
-
- __atomic_lock_acquire();
- res = *p;
- *p = res & ~mask;
- __atomic_lock_release();
-
- return res & mask;
-}
-
-static inline int test_and_change_bit(int bit, volatile unsigned long *p)
-{
- unsigned int res;
- unsigned long mask = 1UL << (bit & 31);
-
- p += bit >> 5;
-
- __atomic_lock_acquire();
- res = *p;
- *p = res ^ mask;
- __atomic_lock_release();
-
- return res & mask;
-}
-
-#include <asm-generic/bitops/non-atomic.h>
-
-/*
- * This routine doesn't need to be atomic.
- */
-static inline int __constant_test_bit(int nr, const volatile unsigned long *addr)
-{
- return ((1UL << (nr & 31)) & (((const volatile unsigned int *) addr)[nr >> 5])) != 0;
-}
-
-static inline int __test_bit(int nr, const volatile unsigned long *addr)
-{
- int * a = (int *) addr;
- int mask;
-
- a += nr >> 5;
- mask = 1 << (nr & 0x1f);
- return ((mask & *a) != 0);
-}
-
-#define test_bit(nr,addr) (__builtin_constant_p(nr) ? __constant_test_bit((nr),(addr)) : __test_bit((nr),(addr)))
-
-#include <asm-generic/bitops/find.h>
-#include <asm-generic/bitops/hweight.h>
-#include <asm-generic/bitops/lock.h>
-
-#include <asm-generic/bitops/ext2-non-atomic.h>
-#include <asm-generic/bitops/ext2-atomic.h>
-#include <asm-generic/bitops/minix.h>
-
-#endif /* __KERNEL__ */
-
-#include <asm-generic/bitops/fls.h>
-#include <asm-generic/bitops/__fls.h>
-#include <asm-generic/bitops/fls64.h>
-
-#endif /* _ASM_UBICOM32_BITOPS_H */