X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=arch%2Fmips64%2Fatomic_arch.h;h=d0f8b4ad2374d416ca8eb229fc15e3d9c1178e60;hb=3517d74a5e04a377192d1f4882ad6c8dc22ce69a;hp=8664e11c79daeaa1feb0b69638536f28049ea14a;hpb=27bf42cd9d85e242f1ffac8d99330da120c8dfdb;p=musl diff --git a/arch/mips64/atomic_arch.h b/arch/mips64/atomic_arch.h index 8664e11c..d0f8b4ad 100644 --- a/arch/mips64/atomic_arch.h +++ b/arch/mips64/atomic_arch.h @@ -1,10 +1,16 @@ +#if __mips_isa_rev < 6 +#define LLSC_M "m" +#else +#define LLSC_M "ZC" +#endif + #define a_ll a_ll static inline int a_ll(volatile int *p) { int v; __asm__ __volatile__ ( "ll %0, %1" - : "=r"(v) : "m"(*p)); + : "=r"(v) : LLSC_M(*p)); return v; } @@ -14,37 +20,37 @@ static inline int a_sc(volatile int *p, int v) int r; __asm__ __volatile__ ( "sc %0, %1" - : "=r"(r), "=m"(*p) : "0"(v) : "memory"); + : "=r"(r), "="LLSC_M(*p) : "0"(v) : "memory"); return r; } #define a_ll_p a_ll_p -static inline void *a_ll_p(volatile long *p) +static inline void *a_ll_p(volatile void *p) { void *v; __asm__ __volatile__ ( "lld %0, %1" - : "=r"(v) : "m"(*p)); + : "=r"(v) : LLSC_M(*(void *volatile *)p)); return v; } #define a_sc_p a_sc_p -static inline int a_sc_p(volatile long *p, void *v) +static inline int a_sc_p(volatile void *p, void *v) { long r; __asm__ __volatile__ ( "scd %0, %1" - : "=r"(r), "=m"(*p) : "0"(v) : "memory"); + : "=r"(r), "="LLSC_M(*(void *volatile *)p) : "0"(v) : "memory"); return r; } #define a_barrier a_barrier static inline void a_barrier() { - /* mips2 sync, but using too many directives causes - * gcc not to inline it, so encode with .long instead. */ - __asm__ __volatile__ (".long 0xf" : : : "memory"); + __asm__ __volatile__ ("sync" : : : "memory"); } #define a_pre_llsc a_barrier #define a_post_llsc a_barrier + +#undef LLSC_M