From 9bf82beb4cbb0b75448a071179c3497187963248 Mon Sep 17 00:00:00 2001 From: Subv Date: Mon, 5 Jan 2015 20:17:49 -0500 Subject: CoreTiming: Ported the CoreTiming namespace from PPSSPP Implemented the required calls to make it work. CoreTiming: Added a new logging class Core_Timing. --- src/core/core_timing.h | 77 +++++++++++++++++++++++++++++++++++--------------- 1 file changed, 54 insertions(+), 23 deletions(-) (limited to 'src/core/core_timing.h') diff --git a/src/core/core_timing.h b/src/core/core_timing.h index 49623453..d62ff360 100644 --- a/src/core/core_timing.h +++ b/src/core/core_timing.h @@ -1,9 +1,11 @@ -// Copyright 2013 Dolphin Emulator Project / 2014 Citra Emulator Project +// Copyright (c) 2012- PPSSPP Project / Dolphin Project. // Licensed under GPLv2 or any later version // Refer to the license.txt file included. #pragma once +#include + // This is a system to schedule events into the emulated machine's future. Time is measured // in main CPU clock cycles. @@ -12,14 +14,14 @@ // See HW/SystemTimers.cpp for the main part of Dolphin's usage of this scheduler. -// The int cyclesLate that the callbacks get is how many cycles late it was. +// The int cycles_late that the callbacks get is how many cycles late it was. // So to schedule a new event on a regular basis: // inside callback: -// ScheduleEvent(periodInCycles - cyclesLate, callback, "whatever") +// ScheduleEvent(periodInCycles - cycles_late, callback, "whatever") -#include "common/common.h" +#include -class PointerWrap; +#include "common/common.h" extern int g_clock_rate_arm11; @@ -55,55 +57,84 @@ inline s64 cyclesToUs(s64 cycles) { return cycles / (g_clock_rate_arm11 / 1000000); } -namespace CoreTiming { +inline u64 cyclesToMs(s64 cycles) { + return cycles / (g_clock_rate_arm11 / 1000); +} +namespace CoreTiming +{ void Init(); void Shutdown(); -typedef void(*TimedCallback)(u64 userdata, int cyclesLate); +typedef void(*MHzChangeCallback)(); +typedef std::function TimedCallback; u64 GetTicks(); u64 GetIdleTicks(); - -// Returns the event_type identifier. -int RegisterEvent(const char *name, TimedCallback callback); -// For save states. +u64 GetGlobalTimeUs(); + +/** + * Registers an event type with the specified name and callback + * @param name Name of the event type + * @param callback Function that will execute when this event fires + * @returns An identifier for the event type that was registered + */ +int RegisterEvent(const char* name, TimedCallback callback); +/// For save states. void RestoreRegisterEvent(int event_type, const char *name, TimedCallback callback); void UnregisterAllEvents(); -// userdata MAY NOT CONTAIN POINTERS. userdata might get written and reloaded from disk, -// when we implement state saves. -void ScheduleEvent(s64 cyclesIntoFuture, int event_type, u64 userdata = 0); -void ScheduleEvent_Threadsafe(s64 cyclesIntoFuture, int event_type, u64 userdata = 0); +/// userdata MAY NOT CONTAIN POINTERS. userdata might get written and reloaded from disk, +/// when we implement state saves. +/** + * Schedules an event to run after the specified number of cycles, + * with an optional parameter to be passed to the callback handler. + * This must be run ONLY from within the cpu thread. + * @param cycles_into_future The number of cycles after which this event will be fired + * @param event_type The event type to fire, as returned from RegisterEvent + * @param userdata Optional parameter to pass to the callback when fired + */ +void ScheduleEvent(s64 cycles_into_future, int event_type, u64 userdata = 0); + +void ScheduleEvent_Threadsafe(s64 cycles_into_future, int event_type, u64 userdata = 0); void ScheduleEvent_Threadsafe_Immediate(int event_type, u64 userdata = 0); + +/** + * Unschedules an event with the specified type and userdata + * @param event_type The type of event to unschedule, as returned from RegisterEvent + * @param userdata The userdata that identifies this event, as passed to ScheduleEvent + * @returns The remaining ticks until the next invocation of the event callback + */ s64 UnscheduleEvent(int event_type, u64 userdata); + s64 UnscheduleThreadsafeEvent(int event_type, u64 userdata); void RemoveEvent(int event_type); void RemoveThreadsafeEvent(int event_type); void RemoveAllEvents(int event_type); bool IsScheduled(int event_type); +/// Runs any pending events and updates downcount for the next slice of cycles void Advance(); void MoveEvents(); void ProcessFifoWaitEvents(); +void ForceCheck(); -// Pretend that the main CPU has executed enough cycles to reach the next event. +/// Pretend that the main CPU has executed enough cycles to reach the next event. void Idle(int maxIdle = 0); -// Clear all pending events. This should ONLY be done on exit or state load. +/// Clear all pending events. This should ONLY be done on exit or state load. void ClearPendingEvents(); void LogPendingEvents(); -// Warning: not included in save states. -void RegisterAdvanceCallback(void(*callback)(int cyclesExecuted)); +/// Warning: not included in save states. +void RegisterAdvanceCallback(void(*callback)(int cycles_executed)); +void RegisterMHzChangeCallback(MHzChangeCallback callback); std::string GetScheduledEventsSummary(); -void DoState(PointerWrap &p); - -void SetClockFrequencyMHz(int cpuMhz); +void SetClockFrequencyMHz(int cpu_mhz); int GetClockFrequencyMHz(); -extern int slicelength; +extern int g_slice_length; } // namespace -- cgit v1.2.3