diff options
| author | Ralf Baechle <ralf@linux-mips.org> | 2000-03-23 02:25:38 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2000-03-23 02:25:38 +0000 |
| commit | 16b5d462f73eb29d1f67fa01cc1ea66afdc72569 (patch) | |
| tree | 5407bd573f4840e473ea27cbe61e5c7a07131fcd /include/asm-sparc64/spinlock.h | |
| parent | ce8a076e11e7e5ee36007f9a3eee5bb3744cb8f6 (diff) | |
Merge with Linux 2.3.99-pre2.
Diffstat (limited to 'include/asm-sparc64/spinlock.h')
| -rw-r--r-- | include/asm-sparc64/spinlock.h | 44 |
1 files changed, 9 insertions, 35 deletions
diff --git a/include/asm-sparc64/spinlock.h b/include/asm-sparc64/spinlock.h index c4e571564..ea34fbefe 100644 --- a/include/asm-sparc64/spinlock.h +++ b/include/asm-sparc64/spinlock.h @@ -110,41 +110,15 @@ extern int _spin_trylock (spinlock_t *lock); typedef unsigned int rwlock_t; #define RW_LOCK_UNLOCKED 0 -#define read_lock(__rw_lck) \ -do { register rwlock_t *__X asm("g1"); \ - __asm__ __volatile__("sethi %%hi(__read_lock), %%g3\n\t" \ - "jmpl %%g3 + %%lo(__read_lock), %%g3\n\t" \ - " nop\n1:" \ - : : "r" (__X = (__rw_lck)) \ - : "g3", "g5", "g7", "cc", "memory"); \ -} while(0) - -#define read_unlock(__rw_lck) \ -do { register rwlock_t *__X asm("g1"); \ - __asm__ __volatile__("sethi %%hi(__read_unlock), %%g3\n\t" \ - "jmpl %%g3 + %%lo(__read_unlock), %%g3\n\t" \ - " nop\n1:" \ - : : "r" (__X = (__rw_lck)) \ - : "g3", "g5", "g7", "cc", "memory"); \ -} while(0) - -#define write_lock(__rw_lck) \ -do { register rwlock_t *__X asm("g1"); \ - __asm__ __volatile__("sethi %%hi(__write_lock), %%g3\n\t" \ - "jmpl %%g3 + %%lo(__write_lock), %%g3\n\t" \ - " nop\n1:" \ - : : "r" (__X = (__rw_lck)) \ - : "g2", "g3", "g5", "g7", "cc", "memory"); \ -} while(0) - -#define write_unlock(__rw_lck) \ -do { register rwlock_t *__X asm("g1"); \ - __asm__ __volatile__("sethi %%hi(__write_unlock), %%g3\n\t" \ - "jmpl %%g3 + %%lo(__write_unlock), %%g3\n\t" \ - " nop\n1:" \ - : : "r" (__X = (__rw_lck)) \ - : "g2", "g3", "g5", "g7", "cc", "memory"); \ -} while(0) +extern void __read_lock(rwlock_t *); +extern void __read_unlock(rwlock_t *); +extern void __write_lock(rwlock_t *); +extern void __write_unlock(rwlock_t *); + +#define read_lock(p) __read_lock(p) +#define read_unlock(p) __read_unlock(p) +#define write_lock(p) __write_lock(p) +#define write_unlock(p) __write_unlock(p) #else /* !(SPIN_LOCK_DEBUG) */ |