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Diffstat (limited to '')
| -rw-r--r-- | include/asm-sparc/bitops.h | 117 |
1 files changed, 7 insertions, 110 deletions
diff --git a/include/asm-sparc/bitops.h b/include/asm-sparc/bitops.h index 68b98a7e6454..1a2949d0193f 100644 --- a/include/asm-sparc/bitops.h +++ b/include/asm-sparc/bitops.h @@ -1,111 +1,8 @@ -/* - * bitops.h: Bit string operations on the Sparc. - * - * Copyright 1995 David S. Miller (davem@caip.rutgers.edu) - * Copyright 1996 Eddie C. Dost (ecd@skynet.be) - * Copyright 2001 Anton Blanchard (anton@samba.org) - */ - -#ifndef _SPARC_BITOPS_H -#define _SPARC_BITOPS_H - -#include <linux/compiler.h> -#include <asm/byteorder.h> - -#ifdef __KERNEL__ - -#ifndef _LINUX_BITOPS_H -#error only <linux/bitops.h> can be included directly +#ifndef ___ASM_SPARC_BITOPS_H +#define ___ASM_SPARC_BITOPS_H +#if defined(__sparc__) && defined(__arch64__) +#include <asm-sparc/bitops_64.h> +#else +#include <asm-sparc/bitops_32.h> +#endif #endif - -extern unsigned long ___set_bit(unsigned long *addr, unsigned long mask); -extern unsigned long ___clear_bit(unsigned long *addr, unsigned long mask); -extern unsigned long ___change_bit(unsigned long *addr, unsigned long mask); - -/* - * Set bit 'nr' in 32-bit quantity at address 'addr' where bit '0' - * is in the highest of the four bytes and bit '31' is the high bit - * within the first byte. Sparc is BIG-Endian. Unless noted otherwise - * all bit-ops return 0 if bit was previously clear and != 0 otherwise. - */ -static inline int test_and_set_bit(unsigned long nr, volatile unsigned long *addr) -{ - unsigned long *ADDR, mask; - - ADDR = ((unsigned long *) addr) + (nr >> 5); - mask = 1 << (nr & 31); - - return ___set_bit(ADDR, mask) != 0; -} - -static inline void set_bit(unsigned long nr, volatile unsigned long *addr) -{ - unsigned long *ADDR, mask; - - ADDR = ((unsigned long *) addr) + (nr >> 5); - mask = 1 << (nr & 31); - - (void) ___set_bit(ADDR, mask); -} - -static inline int test_and_clear_bit(unsigned long nr, volatile unsigned long *addr) -{ - unsigned long *ADDR, mask; - - ADDR = ((unsigned long *) addr) + (nr >> 5); - mask = 1 << (nr & 31); - - return ___clear_bit(ADDR, mask) != 0; -} - -static inline void clear_bit(unsigned long nr, volatile unsigned long *addr) -{ - unsigned long *ADDR, mask; - - ADDR = ((unsigned long *) addr) + (nr >> 5); - mask = 1 << (nr & 31); - - (void) ___clear_bit(ADDR, mask); -} - -static inline int test_and_change_bit(unsigned long nr, volatile unsigned long *addr) -{ - unsigned long *ADDR, mask; - - ADDR = ((unsigned long *) addr) + (nr >> 5); - mask = 1 << (nr & 31); - - return ___change_bit(ADDR, mask) != 0; -} - -static inline void change_bit(unsigned long nr, volatile unsigned long *addr) -{ - unsigned long *ADDR, mask; - - ADDR = ((unsigned long *) addr) + (nr >> 5); - mask = 1 << (nr & 31); - - (void) ___change_bit(ADDR, mask); -} - -#include <asm-generic/bitops/non-atomic.h> - -#define smp_mb__before_clear_bit() do { } while(0) -#define smp_mb__after_clear_bit() do { } while(0) - -#include <asm-generic/bitops/ffz.h> -#include <asm-generic/bitops/__ffs.h> -#include <asm-generic/bitops/sched.h> -#include <asm-generic/bitops/ffs.h> -#include <asm-generic/bitops/fls.h> -#include <asm-generic/bitops/fls64.h> -#include <asm-generic/bitops/hweight.h> -#include <asm-generic/bitops/lock.h> -#include <asm-generic/bitops/find.h> -#include <asm-generic/bitops/ext2-non-atomic.h> -#include <asm-generic/bitops/ext2-atomic.h> -#include <asm-generic/bitops/minix.h> - -#endif /* __KERNEL__ */ - -#endif /* defined(_SPARC_BITOPS_H) */ |