mirror of
https://git.suyu.dev/suyu/suyu.git
synced 2024-11-17 20:32:45 +01:00
99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
// Copyright 2015 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#include "common/common.h"
|
|
|
|
#include "core/core_timing.h"
|
|
#include "core/hle/kernel/kernel.h"
|
|
#include "core/hle/kernel/timer.h"
|
|
#include "core/hle/kernel/thread.h"
|
|
|
|
namespace Kernel {
|
|
|
|
/// The event type of the generic timer callback event
|
|
static int timer_callback_event_type;
|
|
// TODO(yuriks): This can be removed if Timer objects are explicitly pooled in the future, allowing
|
|
// us to simply use a pool index or similar.
|
|
static Kernel::HandleTable timer_callback_handle_table;
|
|
|
|
Timer::Timer() {}
|
|
Timer::~Timer() {}
|
|
|
|
SharedPtr<Timer> Timer::Create(ResetType reset_type, std::string name) {
|
|
SharedPtr<Timer> timer(new Timer);
|
|
|
|
timer->reset_type = reset_type;
|
|
timer->signaled = false;
|
|
timer->name = std::move(name);
|
|
timer->initial_delay = 0;
|
|
timer->interval_delay = 0;
|
|
timer->callback_handle = timer_callback_handle_table.Create(timer).MoveFrom();
|
|
|
|
return timer;
|
|
}
|
|
|
|
bool Timer::ShouldWait() {
|
|
return !signaled;
|
|
}
|
|
|
|
void Timer::Acquire() {
|
|
ASSERT_MSG( !ShouldWait(), "object unavailable!");
|
|
}
|
|
|
|
void Timer::Set(s64 initial, s64 interval) {
|
|
// Ensure we get rid of any previous scheduled event
|
|
Cancel();
|
|
|
|
initial_delay = initial;
|
|
interval_delay = interval;
|
|
|
|
u64 initial_microseconds = initial / 1000;
|
|
CoreTiming::ScheduleEvent(usToCycles(initial_microseconds),
|
|
timer_callback_event_type, callback_handle);
|
|
}
|
|
|
|
void Timer::Cancel() {
|
|
CoreTiming::UnscheduleEvent(timer_callback_event_type, callback_handle);
|
|
}
|
|
|
|
void Timer::Clear() {
|
|
signaled = false;
|
|
}
|
|
|
|
/// The timer callback event, called when a timer is fired
|
|
static void TimerCallback(u64 timer_handle, int cycles_late) {
|
|
SharedPtr<Timer> timer = timer_callback_handle_table.Get<Timer>(static_cast<Handle>(timer_handle));
|
|
|
|
if (timer == nullptr) {
|
|
LOG_CRITICAL(Kernel, "Callback fired for invalid timer %08lX", timer_handle);
|
|
return;
|
|
}
|
|
|
|
LOG_TRACE(Kernel, "Timer %u fired", timer_handle);
|
|
|
|
timer->signaled = true;
|
|
|
|
// Resume all waiting threads
|
|
timer->WakeupAllWaitingThreads();
|
|
|
|
if (timer->reset_type == RESETTYPE_ONESHOT)
|
|
timer->signaled = false;
|
|
|
|
if (timer->interval_delay != 0) {
|
|
// Reschedule the timer with the interval delay
|
|
u64 interval_microseconds = timer->interval_delay / 1000;
|
|
CoreTiming::ScheduleEvent(usToCycles(interval_microseconds) - cycles_late,
|
|
timer_callback_event_type, timer_handle);
|
|
}
|
|
}
|
|
|
|
void TimersInit() {
|
|
timer_callback_handle_table.Clear();
|
|
timer_callback_event_type = CoreTiming::RegisterEvent("TimerCallback", TimerCallback);
|
|
}
|
|
|
|
void TimersShutdown() {
|
|
}
|
|
|
|
} // namespace
|