X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu%2Fuatomic_arch_sparc64.h;h=399ac120a5a64e37874845801e9d645bd4d26638;hp=87deacd1a064366bceb799cf8620485c06ba6206;hb=3d02c34dba0edc4a3554a3862a2ae96d77b3b4e8;hpb=58de5a4bc81e0b64f4fbd46973b5c8b0cd06cda6 diff --git a/urcu/uatomic_arch_sparc64.h b/urcu/uatomic_arch_sparc64.h index 87deacd..399ac12 100644 --- a/urcu/uatomic_arch_sparc64.h +++ b/urcu/uatomic_arch_sparc64.h @@ -23,20 +23,9 @@ #include #include -#ifndef __SIZEOF_LONG__ -#if (defined(__sparc_v8__) || defined(__sparc_v9__)) -#define __SIZEOF_LONG__ 8 -#else -#define __SIZEOF_LONG__ 4 -#endif -#endif - -#ifndef BITS_PER_LONG -#define BITS_PER_LONG (__SIZEOF_LONG__ * 8) -#endif - -#define uatomic_set(addr, v) STORE_SHARED(*(addr), (v)) -#define uatomic_read(addr) LOAD_SHARED(*(addr)) +#ifdef __cplusplus +extern "C" { +#endif /* cmpxchg */ @@ -82,101 +71,10 @@ unsigned long _uatomic_cmpxchg(void *addr, unsigned long old, (unsigned long)(_new), \ sizeof(*(addr)))) -/* xchg */ - -static inline __attribute__((always_inline)) -unsigned long _uatomic_exchange(void *addr, unsigned long val, int len) -{ - switch (len) { - case 4: - { - unsigned int old; - - oldt = uatomic_read(addr); - do { - old = oldt; - oldt = _uatomic_cmpxchg(addr, old, val, 4); - } while (oldt != old); - - return old; - } -#if (BITS_PER_LONG == 64) - case 8: - { - unsigned long old; - - oldt = uatomic_read(addr); - do { - old = oldt; - oldt = _uatomic_cmpxchg(addr, old, val, 8); - } while (oldt != old); - - return old; - } -#endif - } - __builtin_trap(); - return 0; +#ifdef __cplusplus } - -#define uatomic_xchg(addr, v) \ - ((__typeof__(*(addr))) _uatomic_exchange((addr), (unsigned long)(v), \ - sizeof(*(addr)))) - -/* uatomic_add_return */ - -static inline __attribute__((always_inline)) -unsigned long _uatomic_add_return(void *addr, unsigned long val, - int len) -{ - switch (len) { - case 4: - { - unsigned int old; - - oldt = uatomic_read(addr); - do { - old = oldt; - oldt = _uatomic_cmpxchg(addr, old, old + val, 4); - } while (oldt != old); - - return old + val; - } -#if (BITS_PER_LONG == 64) - case 8: - { - unsigned long old; - - oldt = uatomic_read(addr); - do { - old = oldt; - oldt = _uatomic_cmpxchg(addr, old, old + val, 8); - } while (oldt != old); - - return old + val; - } #endif - } - __builtin_trap(); - return 0; -} - -#define uatomic_add_return(addr, v) \ - ((__typeof__(*(addr))) _uatomic_add_return((addr), \ - (unsigned long)(v), \ - sizeof(*(addr)))) - -/* uatomic_sub_return, uatomic_add, uatomic_sub, uatomic_inc, uatomic_dec */ - -#define uatomic_sub_return(addr, v) uatomic_add_return((addr), -(v)) - -#define uatomic_add(addr, v) (void)uatomic_add_return((addr), (v)) -#define uatomic_sub(addr, v) (void)uatomic_sub_return((addr), (v)) - -#define uatomic_inc(addr) uatomic_add((addr), 1) -#define uatomic_dec(addr) uatomic_add((addr), -1) -#define URCU_CAS_AVAIL() 1 -#define compat_uatomic_cmpxchg(ptr, old, _new) uatomic_cmpxchg(ptr, old, _new) +#include #endif /* _URCU_ARCH_UATOMIC_PPC_H */