-#ifndef _INTERNAA_ATOMIC_H
-#define _INTERNAA_ATOMIC_H
+#ifndef _INTERNAL_ATOMIC_H
+#define _INTERNAL_ATOMIC_H
#include <stdint.h>
static inline int a_ctz_64(uint64_t x)
{
- long r;
- __asm__( "bsf %1,%0" : "=r"(r) : "r"(x) );
- return r;
+ __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) );
+ return x;
}
-
-static inline void a_and_64(volatile uint64_t *p, uint64_t v)
+static inline int a_ctz_l(unsigned long x)
{
- __asm__( "lock ; andq %1, %0"
- : "=m"(*(long *)p) : "r"(v) : "memory" );
+ __asm__( "bsf %1,%0" : "=r"(x) : "r"(x) );
+ return x;
}
-static inline void a_or_64(volatile uint64_t *p, uint64_t v)
+static inline void a_and_64(volatile uint64_t *p, uint64_t v)
{
- __asm__( "lock ; orq %1, %0"
- : "=m"(*(long *)p) : "r"(v) : "memory" );
+ __asm__( "lock ; and %1, %0"
+ : "=m"(*p) : "r"(v) : "memory" );
}
-static inline void a_store_l(volatile void *p, long x)
+static inline void a_or_64(volatile uint64_t *p, uint64_t v)
{
- __asm__( "movq %1, %0" : "=m"(*(long *)p) : "r"(x) : "memory" );
+ __asm__( "lock ; or %1, %0"
+ : "=m"(*p) : "r"(v) : "memory" );
}
static inline void a_or_l(volatile void *p, long v)
{
- __asm__( "lock ; orq %1, %0"
+ __asm__( "lock ; or %1, %0"
: "=m"(*(long *)p) : "r"(v) : "memory" );
}
return t;
}
-static inline long a_cas_l(volatile void *p, long t, long s)
+static inline int a_cas(volatile int *p, int t, int s)
{
__asm__( "lock ; cmpxchg %3, %1"
- : "=a"(t), "=m"(*(long *)p) : "a"(t), "r"(s) : "memory" );
+ : "=a"(t), "=m"(*p) : "a"(t), "r"(s) : "memory" );
return t;
}
-static inline void *a_swap_p(void *volatile *x, void *v)
-{
- __asm__( "xchg %0, %1" : "=r"(v), "=m"(*(void **)x) : "0"(v) : "memory" );
- return v;
-}
-static inline long a_swap_l(volatile void *x, long v)
-{
- __asm__( "xchg %0, %1" : "=r"(v), "=m"(*(long *)x) : "0"(v) : "memory" );
- return v;
-}
-
-static inline void a_or(volatile void *p, int v)
+static inline void a_or(volatile int *p, int v)
{
- __asm__( "lock ; orl %1, %0"
- : "=m"(*(int *)p) : "r"(v) : "memory" );
+ __asm__( "lock ; or %1, %0"
+ : "=m"(*p) : "r"(v) : "memory" );
}
-static inline void a_and(volatile void *p, int v)
+static inline void a_and(volatile int *p, int v)
{
- __asm__( "lock ; andl %1, %0"
- : "=m"(*(int *)p) : "r"(v) : "memory" );
+ __asm__( "lock ; and %1, %0"
+ : "=m"(*p) : "r"(v) : "memory" );
}
static inline int a_swap(volatile int *x, int v)
return v;
}
-#define a_xchg a_swap
-
static inline int a_fetch_add(volatile int *x, int v)
{
__asm__( "lock ; xadd %0, %1" : "=r"(v), "=m"(*x) : "0"(v) : "memory" );
static inline void a_store(volatile int *p, int x)
{
- __asm__( "movl %1, %0" : "=m"(*p) : "r"(x) : "memory" );
+ __asm__( "mov %1, %0 ; lock ; orl $0,(%%rsp)" : "=m"(*p) : "r"(x) : "memory" );
}
static inline void a_spin()
__asm__ __volatile__( "pause" : : : "memory" );
}
+static inline void a_barrier()
+{
+ __asm__ __volatile__( "" : : : "memory" );
+}
+
+static inline void a_crash()
+{
+ __asm__ __volatile__( "hlt" : : : "memory" );
+}
+
#endif