diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 1997-06-01 03:16:17 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 1997-06-01 03:16:17 +0000 |
| commit | d8d9b8f76f22b7a16a83e261e64f89ee611f49df (patch) | |
| tree | 3067bc130b80d52808e6390c9fc7fc087ec1e33c /include/asm-sparc/bitops.h | |
| parent | 19c9bba94152148523ba0f7ef7cffe3d45656b11 (diff) | |
Initial revision
Diffstat (limited to 'include/asm-sparc/bitops.h')
| -rw-r--r-- | include/asm-sparc/bitops.h | 27 |
1 files changed, 21 insertions, 6 deletions
diff --git a/include/asm-sparc/bitops.h b/include/asm-sparc/bitops.h index f78b3b22a..cd4a8ef8c 100644 --- a/include/asm-sparc/bitops.h +++ b/include/asm-sparc/bitops.h @@ -1,4 +1,4 @@ -/* $Id: bitops.h,v 1.46 1997/04/13 06:38:24 davem Exp $ +/* $Id: bitops.h,v 1.47 1997/05/14 20:47:56 davem Exp $ * bitops.h: Bit string operations on the Sparc. * * Copyright 1995 David S. Miller (davem@caip.rutgers.edu) @@ -95,7 +95,7 @@ extern __inline__ unsigned long change_bit(unsigned long nr, void *addr) * all bit-ops return 0 if bit was previously clear and != 0 otherwise. */ -extern __inline__ unsigned long set_bit(unsigned long nr, __SMPVOL void *addr) +extern __inline__ unsigned long test_and_set_bit(unsigned long nr, __SMPVOL void *addr) { register unsigned long mask asm("g2"); register unsigned long *ADDR asm("g1"); @@ -112,7 +112,12 @@ extern __inline__ unsigned long set_bit(unsigned long nr, __SMPVOL void *addr) return mask; } -extern __inline__ unsigned long clear_bit(unsigned long nr, __SMPVOL void *addr) +extern __inline__ void set_bit(unsigned long nr, __SMPVOL void *addr) +{ + (void) test_and_set_bit(nr, addr); +} + +extern __inline__ unsigned long test_and_clear_bit(unsigned long nr, __SMPVOL void *addr) { register unsigned long mask asm("g2"); register unsigned long *ADDR asm("g1"); @@ -130,7 +135,12 @@ extern __inline__ unsigned long clear_bit(unsigned long nr, __SMPVOL void *addr) return mask; } -extern __inline__ unsigned long change_bit(unsigned long nr, __SMPVOL void *addr) +extern __inline__ unsigned long clear_bit(unsigned long nr, __SMPVOL void *addr) +{ + (void) test_and_clear_bit(nr, addr); +} + +extern __inline__ unsigned long test_and_change_bit(unsigned long nr, __SMPVOL void *addr) { register unsigned long mask asm("g2"); register unsigned long *ADDR asm("g1"); @@ -148,6 +158,11 @@ extern __inline__ unsigned long change_bit(unsigned long nr, __SMPVOL void *addr return mask; } +extern __inline__ unsigned long change_bit(unsigned long nr, __SMPVOL void *addr) +{ + (void) test_and_change_bit(nr, addr); +} + #endif /* __KERNEL__ */ /* The following routine need not be atomic. */ @@ -369,8 +384,8 @@ found_middle: #define ext2_find_next_zero_bit find_next_zero_le_bit /* Bitmap functions for the minix filesystem. */ -#define minix_set_bit(nr,addr) set_bit(nr,addr) -#define minix_clear_bit(nr,addr) clear_bit(nr,addr) +#define minix_set_bit(nr,addr) test_and_set_bit(nr,addr) +#define minix_clear_bit(nr,addr) test_and_clear_bit(nr,addr) #define minix_test_bit(nr,addr) test_bit(nr,addr) #define minix_find_first_zero_bit(addr,size) find_first_zero_bit(addr,size) |