0cbcd6ec9a
As means to pave the way for getting rid of global state within core, This eliminates kernel global state by removing all globals. Instead this introduces a KernelCore class which acts as a kernel instance. This instance lives in the System class, which keeps its lifetime contained to the lifetime of the System class. This also forces the kernel types to actually interact with the main kernel instance itself instead of having transient kernel state placed all over several translation units, keeping everything together. It also has a nice consequence of making dependencies much more explicit. This also makes our initialization a tad bit more correct. Previously we were creating a kernel process before the actual kernel was initialized, which doesn't really make much sense. The KernelCore class itself follows the PImpl idiom, which allows keeping all the implementation details sealed away from everything else, which forces the use of the exposed API and allows us to avoid any unnecessary inclusions within the main kernel header.
90 lines
2.5 KiB
C++
90 lines
2.5 KiB
C++
// Copyright 2015 Citra Emulator Project
|
|
// Licensed under GPLv2 or any later version
|
|
// Refer to the license.txt file included.
|
|
|
|
#pragma once
|
|
|
|
#include "common/common_types.h"
|
|
#include "core/hle/kernel/object.h"
|
|
#include "core/hle/kernel/wait_object.h"
|
|
|
|
namespace Kernel {
|
|
|
|
class KernelCore;
|
|
|
|
class Timer final : public WaitObject {
|
|
public:
|
|
/**
|
|
* Creates a timer
|
|
* @param kernel The kernel instance to create the timer callback handle for.
|
|
* @param reset_type ResetType describing how to create the timer
|
|
* @param name Optional name of timer
|
|
* @return The created Timer
|
|
*/
|
|
static SharedPtr<Timer> Create(KernelCore& kernel, ResetType reset_type,
|
|
std::string name = "Unknown");
|
|
|
|
std::string GetTypeName() const override {
|
|
return "Timer";
|
|
}
|
|
std::string GetName() const override {
|
|
return name;
|
|
}
|
|
|
|
static const HandleType HANDLE_TYPE = HandleType::Timer;
|
|
HandleType GetHandleType() const override {
|
|
return HANDLE_TYPE;
|
|
}
|
|
|
|
ResetType GetResetType() const {
|
|
return reset_type;
|
|
}
|
|
|
|
u64 GetInitialDelay() const {
|
|
return initial_delay;
|
|
}
|
|
|
|
u64 GetIntervalDelay() const {
|
|
return interval_delay;
|
|
}
|
|
|
|
bool ShouldWait(Thread* thread) const override;
|
|
void Acquire(Thread* thread) override;
|
|
|
|
void WakeupAllWaitingThreads() override;
|
|
|
|
/**
|
|
* Starts the timer, with the specified initial delay and interval.
|
|
* @param initial Delay until the timer is first fired
|
|
* @param interval Delay until the timer is fired after the first time
|
|
*/
|
|
void Set(s64 initial, s64 interval);
|
|
|
|
void Cancel();
|
|
void Clear();
|
|
|
|
/**
|
|
* Signals the timer, waking up any waiting threads and rescheduling it
|
|
* for the next interval.
|
|
* This method should not be called from outside the timer callback handler,
|
|
* lest multiple callback events get scheduled.
|
|
*/
|
|
void Signal(int cycles_late);
|
|
|
|
private:
|
|
explicit Timer(KernelCore& kernel);
|
|
~Timer() override;
|
|
|
|
ResetType reset_type; ///< The ResetType of this timer
|
|
|
|
u64 initial_delay; ///< The delay until the timer fires for the first time
|
|
u64 interval_delay; ///< The delay until the timer fires after the first time
|
|
|
|
bool signaled; ///< Whether the timer has been signaled or not
|
|
std::string name; ///< Name of timer (optional)
|
|
|
|
/// Handle used as userdata to reference this object when inserting into the CoreTiming queue.
|
|
Handle callback_handle;
|
|
};
|
|
|
|
} // namespace Kernel
|