Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
#define uatomic_read(addr) LOAD_SHARED(*(addr))
/* xchg */
#define uatomic_read(addr) LOAD_SHARED(*(addr))
/* xchg */
+
+static inline __attribute__((always_inline))
unsigned long _uatomic_exchange(volatile void *addr, unsigned long val, int len)
{
switch (len) {
unsigned long _uatomic_exchange(volatile void *addr, unsigned long val, int len)
{
switch (len) {
}
#if (BITS_PER_LONG == 64)
case 8:
}
#if (BITS_PER_LONG == 64)
case 8:
__asm__ __volatile__(
" csg %0,%2,%1\n"
: "+r"(old), "+m"(*addr)
: "r"(new)
: "memory", "cc");
return old;
__asm__ __volatile__(
" csg %0,%2,%1\n"
: "+r"(old), "+m"(*addr)
: "r"(new)
: "memory", "cc");
return old;
#endif
default:
__asm__ __volatile__(".long 0xd00d00");
#endif
default:
__asm__ __volatile__(".long 0xd00d00");