| #define a_ll a_ll |
| static inline int a_ll(volatile int *p) |
| { |
| int v; |
| __asm__ __volatile__ ( |
| "ll %0, %1" |
| : "=r"(v) : "m"(*p)); |
| return v; |
| } |
| |
| #define a_sc a_sc |
| static inline int a_sc(volatile int *p, int v) |
| { |
| int r; |
| __asm__ __volatile__ ( |
| "sc %0, %1" |
| : "=r"(r), "=m"(*p) : "0"(v) : "memory"); |
| return r; |
| } |
| |
| #define a_ll_p a_ll_p |
| static inline void *a_ll_p(volatile long *p) |
| { |
| void *v; |
| __asm__ __volatile__ ( |
| "lld %0, %1" |
| : "=r"(v) : "m"(*p)); |
| return v; |
| } |
| |
| #define a_sc_p a_sc_p |
| static inline int a_sc_p(volatile long *p, void *v) |
| { |
| int r; |
| __asm__ __volatile__ ( |
| "scd %0, %1" |
| : "=r"(r), "=m"(*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"); |
| } |
| |
| #define a_pre_llsc a_barrier |
| #define a_post_llsc a_barrier |