2 static inline int a_ll(volatile int *p)
5 __asm__ __volatile__ ("ldxr %0, %1" : "=r"(v) : "Q"(*p));
10 static inline int a_sc(volatile int *p, int v)
13 __asm__ __volatile__ ("stxr %w0,%1,%2" : "=&r"(r) : "r"(v), "Q"(*p) : "memory");
17 #define a_barrier a_barrier
18 static inline void a_barrier()
20 __asm__ __volatile__ ("dmb ish" : : : "memory");
23 #define a_pre_llsc a_barrier
24 #define a_post_llsc a_barrier
26 #define a_cas_p a_cas_p
27 static inline void *a_cas_p(volatile void *p, void *t, void *s)
40 : "r"(t), "r"(s), "Q"(*(void *volatile *)p)
45 #define a_ctz_64 a_ctz_64
46 static inline int a_ctz_64(uint64_t x)