2005-04-16 18:20:36 -04:00
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#ifndef __ASM_SH_BITOPS_H
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#define __ASM_SH_BITOPS_H
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#ifdef __KERNEL__
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2007-10-19 02:40:26 -04:00
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#ifndef _LINUX_BITOPS_H
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#error only <linux/bitops.h> can be included directly
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#endif
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2005-04-16 18:20:36 -04:00
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#include <asm/system.h>
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/* For __swab32 */
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#include <asm/byteorder.h>
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2007-11-30 02:12:36 -05:00
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#ifdef CONFIG_GUSA_RB
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#include <asm/bitops-grb.h>
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2008-11-25 07:22:02 -05:00
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#elif defined(CONFIG_CPU_SH2A)
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#include <asm-generic/bitops/atomic.h>
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#include <asm/bitops-op32.h>
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2008-08-07 04:36:12 -04:00
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#elif defined(CONFIG_CPU_SH4A)
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#include <asm/bitops-llsc.h>
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2007-11-30 02:12:36 -05:00
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#else
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2008-11-20 01:25:22 -05:00
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#include <asm-generic/bitops/atomic.h>
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#include <asm-generic/bitops/non-atomic.h>
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2007-11-30 02:12:36 -05:00
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#endif
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2005-04-16 18:20:36 -04:00
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/*
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* clear_bit() doesn't provide any barrier for the compiler.
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*/
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2009-10-18 02:36:02 -04:00
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#define smp_mb__before_clear_bit() smp_mb()
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#define smp_mb__after_clear_bit() smp_mb()
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2005-04-16 18:20:36 -04:00
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2007-11-11 03:28:18 -05:00
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#ifdef CONFIG_SUPERH32
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2006-09-26 23:31:01 -04:00
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static inline unsigned long ffz(unsigned long word)
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2005-04-16 18:20:36 -04:00
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{
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unsigned long result;
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__asm__("1:\n\t"
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"shlr %1\n\t"
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"bt/s 1b\n\t"
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" add #1, %0"
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: "=r" (result), "=r" (word)
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: "0" (~0L), "1" (word)
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: "t");
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return result;
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}
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/**
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* __ffs - find first bit in word.
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* @word: The word to search
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*
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* Undefined if no bit exists, so code should check against 0 first.
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*/
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2006-09-26 23:31:01 -04:00
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static inline unsigned long __ffs(unsigned long word)
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2005-04-16 18:20:36 -04:00
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{
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unsigned long result;
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__asm__("1:\n\t"
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"shlr %1\n\t"
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"bf/s 1b\n\t"
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" add #1, %0"
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: "=r" (result), "=r" (word)
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: "0" (~0L), "1" (word)
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: "t");
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return result;
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}
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2007-11-11 03:28:18 -05:00
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#else
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static inline unsigned long ffz(unsigned long word)
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{
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unsigned long result, __d2, __d3;
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__asm__("gettr tr0, %2\n\t"
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"pta $+32, tr0\n\t"
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"andi %1, 1, %3\n\t"
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"beq %3, r63, tr0\n\t"
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"pta $+4, tr0\n"
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"0:\n\t"
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"shlri.l %1, 1, %1\n\t"
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"addi %0, 1, %0\n\t"
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"andi %1, 1, %3\n\t"
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"beqi %3, 1, tr0\n"
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"1:\n\t"
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"ptabs %2, tr0\n\t"
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: "=r" (result), "=r" (word), "=r" (__d2), "=r" (__d3)
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: "0" (0L), "1" (word));
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return result;
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}
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#include <asm-generic/bitops/__ffs.h>
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#endif
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2005-04-16 18:20:36 -04:00
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[PATCH] bitops: sh: use generic bitops
- remove __{,test_and_}{set,clear,change}_bit() and test_bit()
- remove find_{next,first}{,_zero}_bit()
- remove generic_ffs()
- remove generic_hweight{32,16,8}()
- remove sched_find_first_bit()
- remove ext2_{set,clear,test,find_first_zero,find_next_zero}_bit()
- remove ext2_{set,clear}_bit_atomic()
- remove minix_{test,set,test_and_clear,test,find_first_zero}_bit()
- remove generic_fls()
- remove generic_fls64()
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26 04:39:35 -05:00
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#include <asm-generic/bitops/find.h>
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#include <asm-generic/bitops/ffs.h>
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#include <asm-generic/bitops/hweight.h>
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2007-10-18 06:06:39 -04:00
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#include <asm-generic/bitops/lock.h>
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[PATCH] bitops: sh: use generic bitops
- remove __{,test_and_}{set,clear,change}_bit() and test_bit()
- remove find_{next,first}{,_zero}_bit()
- remove generic_ffs()
- remove generic_hweight{32,16,8}()
- remove sched_find_first_bit()
- remove ext2_{set,clear,test,find_first_zero,find_next_zero}_bit()
- remove ext2_{set,clear}_bit_atomic()
- remove minix_{test,set,test_and_clear,test,find_first_zero}_bit()
- remove generic_fls()
- remove generic_fls64()
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26 04:39:35 -05:00
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#include <asm-generic/bitops/sched.h>
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#include <asm-generic/bitops/ext2-non-atomic.h>
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#include <asm-generic/bitops/ext2-atomic.h>
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#include <asm-generic/bitops/minix.h>
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#include <asm-generic/bitops/fls.h>
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2008-03-15 13:31:49 -04:00
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#include <asm-generic/bitops/__fls.h>
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[PATCH] bitops: sh: use generic bitops
- remove __{,test_and_}{set,clear,change}_bit() and test_bit()
- remove find_{next,first}{,_zero}_bit()
- remove generic_ffs()
- remove generic_hweight{32,16,8}()
- remove sched_find_first_bit()
- remove ext2_{set,clear,test,find_first_zero,find_next_zero}_bit()
- remove ext2_{set,clear}_bit_atomic()
- remove minix_{test,set,test_and_clear,test,find_first_zero}_bit()
- remove generic_fls()
- remove generic_fls64()
Signed-off-by: Akinobu Mita <mita@miraclelinux.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Kazumoto Kojima <kkojima@rr.iij4u.or.jp>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-26 04:39:35 -05:00
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#include <asm-generic/bitops/fls64.h>
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2005-04-16 18:20:36 -04:00
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#endif /* __KERNEL__ */
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#endif /* __ASM_SH_BITOPS_H */
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