#define a_ll a_ll static inline int a_ll(volatile int *p) { int v; __asm__ __volatile__ ( ".set push ; .set mips2\n\t" "ll %0, %1" "\n\t.set pop" : "=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__ ( ".set push ; .set mips2\n\t" "sc %0, %1" "\n\t.set pop" : "=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"); #if 0 __asm__ __volatile__ ( ".set push ; .set mips2 ; sync ; .set pop" : : : "memory"); #endif } #define a_pre_llsc a_barrier #define a_post_llsc a_barrier