void Advance()
{
MoveEvents();
int cyclesExecuted = slicelength - DowncountToCycles(PowerPC::ppcState.downcount);
globalTimer += cyclesExecuted;
lastOCFactor = SConfig::GetInstance().m_OCEnable ? SConfig::GetInstance().m_OCFactor : 1.0f;
PowerPC::ppcState.downcount = CyclesToDowncount(slicelength);
while (first && first->time <= globalTimer)
{
//LOG(POWERPC, "[Scheduler] %s (%lld, %lld) ",
// event_types[first->type].name ? event_types[first->type].name : "?", (u64)globalTimer, (u64)first->time);
Event* evt = first;
first = first->next;
event_types[evt->type].callback(evt->userdata, (int)(globalTimer - evt->time));
FreeEvent(evt);
}
if (!first)
{
WARN_LOG(POWERPC, "WARNING - no events in queue. Setting downcount to 10000");
PowerPC::ppcState.downcount += CyclesToDowncount(10000);
}
else
{
slicelength = (int)(first->time - globalTimer);
if (slicelength > maxSliceLength)
slicelength = maxSliceLength;
PowerPC::ppcState.downcount = CyclesToDowncount(slicelength);
}
}
void ForceExceptionCheck(int cycles)
{
if (DowncountToCycles(PowerPC::ppcState.downcount) > cycles)
{
slicelength -= (DowncountToCycles(PowerPC::ppcState.downcount) - cycles); // Account for cycles already executed by adjusting the slicelength
PowerPC::ppcState.downcount = CyclesToDowncount(cycles);
}
}
void ForceExceptionCheck(s64 cycles)
{
if (s64(DowncountToCycles(PowerPC::ppcState.downcount)) > cycles)
{
// downcount is always (much) smaller than MAX_INT so we can safely cast cycles to an int here.
g_slicelength -= (DowncountToCycles(PowerPC::ppcState.downcount) - (int)cycles); // Account for cycles already executed by adjusting the g_slicelength
PowerPC::ppcState.downcount = CyclesToDowncount((int)cycles);
}
}
void Init()
{
lastOCFactor = SConfig::GetInstance().m_OCEnable ? SConfig::GetInstance().m_OCFactor : 1.0f;
PowerPC::ppcState.downcount = CyclesToDowncount(maxSliceLength);
slicelength = maxSliceLength;
globalTimer = 0;
idledCycles = 0;
ev_lost = RegisterEvent("_lost_event", &EmptyTimedCallback);
}
void Advance()
{
MoveEvents();
int cyclesExecuted = g_slicelength - DowncountToCycles(PowerPC::ppcState.downcount);
g_globalTimer += cyclesExecuted;
s_lastOCFactor = SConfig::GetInstance().m_OCEnable ? SConfig::GetInstance().m_OCFactor : 1.0f;
g_lastOCFactor_inverted = 1.0f / s_lastOCFactor;
PowerPC::ppcState.downcount = CyclesToDowncount(g_slicelength);
globalTimerIsSane = true;
while (first && first->time <= g_globalTimer)
{
//LOG(POWERPC, "[Scheduler] %s (%lld, %lld) ",
// event_types[first->type].name ? event_types[first->type].name : "?", (u64)g_globalTimer, (u64)first->time);
Event* evt = first;
first = first->next;
event_types[evt->type].callback(evt->userdata, (int)(g_globalTimer - evt->time));
FreeEvent(evt);
}
globalTimerIsSane = false;
if (!first)
{
WARN_LOG(POWERPC, "WARNING - no events in queue. Setting downcount to 10000");
PowerPC::ppcState.downcount += CyclesToDowncount(10000);
}
else
{
g_slicelength = (int)(first->time - g_globalTimer);
if (g_slicelength > maxslicelength)
g_slicelength = maxslicelength;
PowerPC::ppcState.downcount = CyclesToDowncount(g_slicelength);
}
// Check for any external exceptions.
// It's important to do this after processing events otherwise any exceptions will be delayed until the next slice:
// Pokemon Box refuses to boot if the first exception from the audio DMA is received late
PowerPC::CheckExternalExceptions();
}
void ForceExceptionCheck(s64 cycles)
{
cycles = std::max<s64>(0, cycles);
if (DowncountToCycles(PowerPC::ppcState.downcount) > cycles)
{
// downcount is always (much) smaller than MAX_INT so we can safely cast cycles to an int here.
// Account for cycles already executed by adjusting the g_slice_length
g_slice_length -= DowncountToCycles(PowerPC::ppcState.downcount) - static_cast<int>(cycles);
PowerPC::ppcState.downcount = CyclesToDowncount(static_cast<int>(cycles));
}
}
void Init()
{
s_lastOCFactor = SConfig::GetInstance().m_OCEnable ? SConfig::GetInstance().m_OCFactor : 1.0f;
g_lastOCFactor_inverted = 1.0f / s_lastOCFactor;
PowerPC::ppcState.downcount = CyclesToDowncount(maxslicelength);
g_slicelength = maxslicelength;
g_globalTimer = 0;
idledCycles = 0;
globalTimerIsSane = true;
ev_lost = RegisterEvent("_lost_event", &EmptyTimedCallback);
}
void Init()
{
s_last_OC_factor = SConfig::GetInstance().m_OCEnable ? SConfig::GetInstance().m_OCFactor : 1.0f;
g_last_OC_factor_inverted = 1.0f / s_last_OC_factor;
PowerPC::ppcState.downcount = CyclesToDowncount(MAX_SLICE_LENGTH);
g_slice_length = MAX_SLICE_LENGTH;
g_global_timer = 0;
s_idled_cycles = 0;
// The time between CoreTiming being intialized and the first call to Advance() is considered
// the slice boundary between slice -1 and slice 0. Dispatcher loops must call Advance() before
// executing the first PPC cycle of each slice to prepare the slice length and downcount for
// that slice.
s_is_global_timer_sane = true;
s_event_fifo_id = 0;
s_ev_lost = RegisterEvent("_lost_event", &EmptyTimedCallback);
}
void Advance()
{
MoveEvents();
int cyclesExecuted = g_slice_length - DowncountToCycles(PowerPC::ppcState.downcount);
g_global_timer += cyclesExecuted;
s_last_OC_factor = SConfig::GetInstance().m_OCEnable ? SConfig::GetInstance().m_OCFactor : 1.0f;
g_last_OC_factor_inverted = 1.0f / s_last_OC_factor;
g_slice_length = MAX_SLICE_LENGTH;
s_is_global_timer_sane = true;
while (!s_event_queue.empty() && s_event_queue.front().time <= g_global_timer)
{
Event evt = std::move(s_event_queue.front());
std::pop_heap(s_event_queue.begin(), s_event_queue.end(), std::greater<Event>());
s_event_queue.pop_back();
// NOTICE_LOG(POWERPC, "[Scheduler] %-20s (%lld, %lld)", evt.type->name->c_str(),
// g_global_timer, evt.time);
evt.type->callback(evt.userdata, g_global_timer - evt.time);
}
s_is_global_timer_sane = false;
// Still events left (scheduled in the future)
if (!s_event_queue.empty())
{
g_slice_length = static_cast<int>(
std::min<s64>(s_event_queue.front().time - g_global_timer, MAX_SLICE_LENGTH));
}
PowerPC::ppcState.downcount = CyclesToDowncount(g_slice_length);
// Check for any external exceptions.
// It's important to do this after processing events otherwise any exceptions will be delayed
// until the next slice:
// Pokemon Box refuses to boot if the first exception from the audio DMA is received late
PowerPC::CheckExternalExceptions();
}
