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