#include <urcu/compiler.h>
#include <urcu/system.h>
-#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 */
return _new;
}
-#if (BITS_PER_LONG == 64)
+#if (CAA_BITS_PER_LONG == 64)
case 8:
{
__asm__ __volatile__ (
(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;
-
- oldt = uatomic_read((unsigned int *)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;
-
- oldt = uatomic_read((unsigned long *)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;
-
- oldt = uatomic_read((unsigned int *)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;
-
- oldt = uatomic_read((unsigned long *)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 <urcu/uatomic_generic.h>
#endif /* _URCU_ARCH_UATOMIC_PPC_H */