__inline void ttas_spinlock_lock(volatile bool* lock)
{
uint16_t test_counter = 0;
while (true)
{
if (*lock == 0)
{
test_counter = 0;
if (_InterlockedCompareExchange8((volatile char*)lock, 1, 0) == 0)
{
//MemoryBarrier();
return;
}
}
else
{
if ((test_counter & 0xFFFF) == 0xFFFF)
{
#if FDP_POWER_SAVE == 1
Sleep(10);
#endif
}
else
{
test_counter++;
}
}
}
}
/* _Atomic_compare_exchange_weak_1, _Atomic_compare_exchange_strong_1 */
static int _Compare_exchange_seq_cst_1(volatile _Uint1_t *_Tgt,
_Uint1_t *_Exp, _Uint1_t _Value)
{ /* compare and exchange values atomically with
sequentially consistent memory order */
_Uint1_t res;
_Uint1_t prev = _InterlockedCompareExchange8((volatile char *)_Tgt,
_Value, *_Exp);
if (prev == *_Exp)
res = 1;
else
{ /* copy old value */
res = 0;
*_Exp = prev;
}
return (res);
}
char test_InterlockedCompareExchange8(char volatile *Destination, char Exchange, char Comperand) {
return _InterlockedCompareExchange8(Destination, Exchange, Comperand);
}
