mirror of
https://github.com/dolphin-emu/dolphin.git
synced 2025-07-21 05:09:34 -06:00
Reformat all the things. Have fun with merge conflicts.
This commit is contained in:
Pierre Bourdon
@ -4,7 +4,8 @@
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// This file controls all system timers
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/* (shuffle2) I don't know who wrote this, but take it with salt. For starters, "time" is contextual...
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/* (shuffle2) I don't know who wrote this, but take it with salt. For starters, "time" is
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contextual...
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"Time" is measured in frames, not time: These update frequencies are determined by the passage
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of frames. So if a game runs slow, on a slow computer for example, these updates will occur
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less frequently. This makes sense because almost all console games are controlled by frames
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@ -25,54 +26,53 @@ frame.
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IPC_HLE_PERIOD: For the Wiimote this is the call schedule:
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IPC_HLE_UpdateCallback() // In this file
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IPC_HLE_UpdateCallback() // In this file
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// This function seems to call all devices' Update() function four times per frame
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WII_IPC_HLE_Interface::Update()
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// This function seems to call all devices' Update() function four times per frame
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WII_IPC_HLE_Interface::Update()
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// If the AclFrameQue is empty this will call Wiimote_Update() and make it send
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the current input status to the game. I'm not sure if this occurs approximately
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once every frame or if the frequency is not exactly tied to rendered frames
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CWII_IPC_HLE_Device_usb_oh1_57e_305::Update()
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PluginWiimote::Wiimote_Update()
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// If the AclFrameQue is empty this will call Wiimote_Update() and make it send
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the current input status to the game. I'm not sure if this occurs approximately
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once every frame or if the frequency is not exactly tied to rendered frames
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CWII_IPC_HLE_Device_usb_oh1_57e_305::Update()
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PluginWiimote::Wiimote_Update()
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// This is also a device updated by WII_IPC_HLE_Interface::Update() but it doesn't
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seem to ultimately call PluginWiimote::Wiimote_Update(). However it can be called
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by the /dev/usb/oh1 device if the AclFrameQue is empty.
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CWII_IPC_HLE_WiiMote::Update()
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// This is also a device updated by WII_IPC_HLE_Interface::Update() but it doesn't
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seem to ultimately call PluginWiimote::Wiimote_Update(). However it can be called
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by the /dev/usb/oh1 device if the AclFrameQue is empty.
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CWII_IPC_HLE_WiiMote::Update()
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*/
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#include "Core/HW/SystemTimers.h"
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#include "Common/Atomic.h"
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#include "Common/CommonTypes.h"
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#include "Common/Logging/Log.h"
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#include "Common/Thread.h"
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#include "Common/Timer.h"
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#include "Common/Logging/Log.h"
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#include "Core/ConfigManager.h"
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#include "Core/Core.h"
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#include "Core/CoreTiming.h"
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#include "Core/DSPEmulator.h"
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#include "Core/PatchEngine.h"
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#include "Core/HW/AudioInterface.h"
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#include "Core/HW/DSP.h"
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#include "Core/HW/EXI_DeviceIPL.h"
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#include "Core/HW/SystemTimers.h"
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#include "Core/HW/VideoInterface.h"
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#include "Core/IPC_HLE/WII_IPC_HLE.h"
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#include "Core/PatchEngine.h"
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#include "Core/PowerPC/PowerPC.h"
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#include "VideoCommon/Fifo.h"
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namespace SystemTimers
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{
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static int et_Dec;
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static int et_VI;
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static int et_AudioDMA;
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static int et_DSP;
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static int et_IPC_HLE;
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static int et_PatchEngine; // PatchEngine updates every 1/60th of a second by default
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static int et_PatchEngine; // PatchEngine updates every 1/60th of a second by default
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static int et_Throttle;
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static u32 s_cpu_core_clock = 486000000u; // 486 mhz (its not 485, stop bugging me!)
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static u32 s_cpu_core_clock = 486000000u; // 486 mhz (its not 485, stop bugging me!)
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// These two are badly educated guesses.
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// Feel free to experiment. Set them in Init below.
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@ -83,169 +83,172 @@ static int s_audio_dma_period;
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// we can just increase this number.
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static int s_ipc_hle_period;
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u32 GetTicksPerSecond()
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{
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return s_cpu_core_clock;
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return s_cpu_core_clock;
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}
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// DSP/CPU timeslicing.
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static void DSPCallback(u64 userdata, s64 cyclesLate)
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{
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//splits up the cycle budget in case lle is used
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//for hle, just gives all of the slice to hle
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DSP::UpdateDSPSlice(static_cast<int>(DSP::GetDSPEmulator()->DSP_UpdateRate() - cyclesLate));
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CoreTiming::ScheduleEvent(DSP::GetDSPEmulator()->DSP_UpdateRate() - cyclesLate, et_DSP);
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// splits up the cycle budget in case lle is used
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// for hle, just gives all of the slice to hle
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DSP::UpdateDSPSlice(static_cast<int>(DSP::GetDSPEmulator()->DSP_UpdateRate() - cyclesLate));
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CoreTiming::ScheduleEvent(DSP::GetDSPEmulator()->DSP_UpdateRate() - cyclesLate, et_DSP);
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}
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static void AudioDMACallback(u64 userdata, s64 cyclesLate)
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{
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int period = s_cpu_core_clock / (AudioInterface::GetAIDSampleRate() * 4 / 32);
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DSP::UpdateAudioDMA(); // Push audio to speakers.
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CoreTiming::ScheduleEvent(period - cyclesLate, et_AudioDMA);
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int period = s_cpu_core_clock / (AudioInterface::GetAIDSampleRate() * 4 / 32);
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DSP::UpdateAudioDMA(); // Push audio to speakers.
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CoreTiming::ScheduleEvent(period - cyclesLate, et_AudioDMA);
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}
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static void IPC_HLE_UpdateCallback(u64 userdata, s64 cyclesLate)
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{
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if (SConfig::GetInstance().bWii)
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{
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WII_IPC_HLE_Interface::UpdateDevices();
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CoreTiming::ScheduleEvent(s_ipc_hle_period - cyclesLate, et_IPC_HLE);
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}
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if (SConfig::GetInstance().bWii)
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{
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WII_IPC_HLE_Interface::UpdateDevices();
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CoreTiming::ScheduleEvent(s_ipc_hle_period - cyclesLate, et_IPC_HLE);
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}
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}
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static void VICallback(u64 userdata, s64 cyclesLate)
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{
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VideoInterface::Update();
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CoreTiming::ScheduleEvent(VideoInterface::GetTicksPerHalfLine() - cyclesLate, et_VI);
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VideoInterface::Update();
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CoreTiming::ScheduleEvent(VideoInterface::GetTicksPerHalfLine() - cyclesLate, et_VI);
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}
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static void DecrementerCallback(u64 userdata, s64 cyclesLate)
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{
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PowerPC::ppcState.spr[SPR_DEC] = 0xFFFFFFFF;
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PowerPC::ppcState.Exceptions |= EXCEPTION_DECREMENTER;
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PowerPC::ppcState.spr[SPR_DEC] = 0xFFFFFFFF;
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PowerPC::ppcState.Exceptions |= EXCEPTION_DECREMENTER;
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}
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void DecrementerSet()
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{
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u32 decValue = PowerPC::ppcState.spr[SPR_DEC];
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u32 decValue = PowerPC::ppcState.spr[SPR_DEC];
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CoreTiming::RemoveEvent(et_Dec);
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if ((decValue & 0x80000000) == 0)
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{
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CoreTiming::SetFakeDecStartTicks(CoreTiming::GetTicks());
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CoreTiming::SetFakeDecStartValue(decValue);
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CoreTiming::RemoveEvent(et_Dec);
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if ((decValue & 0x80000000) == 0)
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{
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CoreTiming::SetFakeDecStartTicks(CoreTiming::GetTicks());
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CoreTiming::SetFakeDecStartValue(decValue);
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CoreTiming::ScheduleEvent(decValue * TIMER_RATIO, et_Dec);
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}
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CoreTiming::ScheduleEvent(decValue * TIMER_RATIO, et_Dec);
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}
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}
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u32 GetFakeDecrementer()
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{
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return (CoreTiming::GetFakeDecStartValue() - (u32)((CoreTiming::GetTicks() - CoreTiming::GetFakeDecStartTicks()) / TIMER_RATIO));
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return (CoreTiming::GetFakeDecStartValue() -
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(u32)((CoreTiming::GetTicks() - CoreTiming::GetFakeDecStartTicks()) / TIMER_RATIO));
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}
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void TimeBaseSet()
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{
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CoreTiming::SetFakeTBStartTicks(CoreTiming::GetTicks());
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CoreTiming::SetFakeTBStartValue(*((u64 *)&TL));
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CoreTiming::SetFakeTBStartTicks(CoreTiming::GetTicks());
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CoreTiming::SetFakeTBStartValue(*((u64*)&TL));
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}
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u64 GetFakeTimeBase()
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{
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return CoreTiming::GetFakeTBStartValue() + ((CoreTiming::GetTicks() - CoreTiming::GetFakeTBStartTicks()) / TIMER_RATIO);
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return CoreTiming::GetFakeTBStartValue() +
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((CoreTiming::GetTicks() - CoreTiming::GetFakeTBStartTicks()) / TIMER_RATIO);
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}
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static void PatchEngineCallback(u64 userdata, s64 cyclesLate)
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{
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// Patch mem and run the Action Replay
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PatchEngine::ApplyFramePatches();
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CoreTiming::ScheduleEvent(VideoInterface::GetTicksPerField() - cyclesLate, et_PatchEngine);
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// Patch mem and run the Action Replay
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PatchEngine::ApplyFramePatches();
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CoreTiming::ScheduleEvent(VideoInterface::GetTicksPerField() - cyclesLate, et_PatchEngine);
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}
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static void ThrottleCallback(u64 last_time, s64 cyclesLate)
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{
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// Allow the GPU thread to sleep. Setting this flag here limits the wakeups to 1 kHz.
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Fifo::GpuMaySleep();
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// Allow the GPU thread to sleep. Setting this flag here limits the wakeups to 1 kHz.
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Fifo::GpuMaySleep();
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u32 time = Common::Timer::GetTimeMs();
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u32 time = Common::Timer::GetTimeMs();
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int diff = (u32)last_time - time;
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const SConfig& config = SConfig::GetInstance();
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bool frame_limiter = config.m_EmulationSpeed > 0.0f && !Core::GetIsThrottlerTempDisabled();
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u32 next_event = GetTicksPerSecond()/1000;
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if (frame_limiter)
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{
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if (config.m_EmulationSpeed != 1.0f)
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next_event = u32(next_event * config.m_EmulationSpeed);
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const int max_fallback = config.iTimingVariance;
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if (abs(diff) > max_fallback)
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{
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DEBUG_LOG(COMMON, "system too %s, %d ms skipped", diff<0 ? "slow" : "fast", abs(diff) - max_fallback);
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last_time = time - max_fallback;
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}
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else if (diff > 0)
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Common::SleepCurrentThread(diff);
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}
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CoreTiming::ScheduleEvent(next_event - cyclesLate, et_Throttle, last_time + 1);
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int diff = (u32)last_time - time;
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const SConfig& config = SConfig::GetInstance();
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bool frame_limiter = config.m_EmulationSpeed > 0.0f && !Core::GetIsThrottlerTempDisabled();
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u32 next_event = GetTicksPerSecond() / 1000;
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if (frame_limiter)
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{
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if (config.m_EmulationSpeed != 1.0f)
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next_event = u32(next_event * config.m_EmulationSpeed);
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const int max_fallback = config.iTimingVariance;
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if (abs(diff) > max_fallback)
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{
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DEBUG_LOG(COMMON, "system too %s, %d ms skipped", diff < 0 ? "slow" : "fast",
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abs(diff) - max_fallback);
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last_time = time - max_fallback;
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}
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else if (diff > 0)
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Common::SleepCurrentThread(diff);
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}
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CoreTiming::ScheduleEvent(next_event - cyclesLate, et_Throttle, last_time + 1);
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}
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// split from Init to break a circular dependency between VideoInterface::Init and SystemTimers::Init
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// split from Init to break a circular dependency between VideoInterface::Init and
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// SystemTimers::Init
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void PreInit()
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{
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if (SConfig::GetInstance().bWii)
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s_cpu_core_clock = 729000000u;
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else
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s_cpu_core_clock = 486000000u;
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if (SConfig::GetInstance().bWii)
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s_cpu_core_clock = 729000000u;
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else
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s_cpu_core_clock = 486000000u;
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}
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void Init()
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{
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if (SConfig::GetInstance().bWii)
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{
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// AyuanX: TO BE TWEAKED
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// Now the 1500 is a pure assumption
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// We need to figure out the real frequency though
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if (SConfig::GetInstance().bWii)
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{
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// AyuanX: TO BE TWEAKED
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// Now the 1500 is a pure assumption
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// We need to figure out the real frequency though
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// FYI, WII_IPC_HLE_Interface::Update is also called in WII_IPCInterface::Write32
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const int freq = 1500;
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s_ipc_hle_period = GetTicksPerSecond() / freq;
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}
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// FYI, WII_IPC_HLE_Interface::Update is also called in WII_IPCInterface::Write32
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const int freq = 1500;
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s_ipc_hle_period = GetTicksPerSecond() / freq;
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}
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// System internal sample rate is fixed at 32KHz * 4 (16bit Stereo) / 32 bytes DMA
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s_audio_dma_period = s_cpu_core_clock / (AudioInterface::GetAIDSampleRate() * 4 / 32);
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// System internal sample rate is fixed at 32KHz * 4 (16bit Stereo) / 32 bytes DMA
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s_audio_dma_period = s_cpu_core_clock / (AudioInterface::GetAIDSampleRate() * 4 / 32);
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Common::Timer::IncreaseResolution();
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// store and convert localtime at boot to timebase ticks
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CoreTiming::SetFakeTBStartValue((u64)(s_cpu_core_clock / TIMER_RATIO) * (u64)CEXIIPL::GetGCTime());
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CoreTiming::SetFakeTBStartTicks(CoreTiming::GetTicks());
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Common::Timer::IncreaseResolution();
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// store and convert localtime at boot to timebase ticks
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CoreTiming::SetFakeTBStartValue((u64)(s_cpu_core_clock / TIMER_RATIO) *
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(u64)CEXIIPL::GetGCTime());
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CoreTiming::SetFakeTBStartTicks(CoreTiming::GetTicks());
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CoreTiming::SetFakeDecStartValue(0xFFFFFFFF);
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CoreTiming::SetFakeDecStartTicks(CoreTiming::GetTicks());
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CoreTiming::SetFakeDecStartValue(0xFFFFFFFF);
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CoreTiming::SetFakeDecStartTicks(CoreTiming::GetTicks());
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et_Dec = CoreTiming::RegisterEvent("DecCallback", DecrementerCallback);
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et_VI = CoreTiming::RegisterEvent("VICallback", VICallback);
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et_DSP = CoreTiming::RegisterEvent("DSPCallback", DSPCallback);
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et_AudioDMA = CoreTiming::RegisterEvent("AudioDMACallback", AudioDMACallback);
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et_IPC_HLE = CoreTiming::RegisterEvent("IPC_HLE_UpdateCallback", IPC_HLE_UpdateCallback);
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et_PatchEngine = CoreTiming::RegisterEvent("PatchEngine", PatchEngineCallback);
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et_Throttle = CoreTiming::RegisterEvent("Throttle", ThrottleCallback);
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et_Dec = CoreTiming::RegisterEvent("DecCallback", DecrementerCallback);
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et_VI = CoreTiming::RegisterEvent("VICallback", VICallback);
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et_DSP = CoreTiming::RegisterEvent("DSPCallback", DSPCallback);
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et_AudioDMA = CoreTiming::RegisterEvent("AudioDMACallback", AudioDMACallback);
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et_IPC_HLE = CoreTiming::RegisterEvent("IPC_HLE_UpdateCallback", IPC_HLE_UpdateCallback);
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et_PatchEngine = CoreTiming::RegisterEvent("PatchEngine", PatchEngineCallback);
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et_Throttle = CoreTiming::RegisterEvent("Throttle", ThrottleCallback);
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CoreTiming::ScheduleEvent(VideoInterface::GetTicksPerHalfLine(), et_VI);
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CoreTiming::ScheduleEvent(0, et_DSP);
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CoreTiming::ScheduleEvent(s_audio_dma_period, et_AudioDMA);
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CoreTiming::ScheduleEvent(0, et_Throttle, Common::Timer::GetTimeMs());
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CoreTiming::ScheduleEvent(VideoInterface::GetTicksPerHalfLine(), et_VI);
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CoreTiming::ScheduleEvent(0, et_DSP);
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CoreTiming::ScheduleEvent(s_audio_dma_period, et_AudioDMA);
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CoreTiming::ScheduleEvent(0, et_Throttle, Common::Timer::GetTimeMs());
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CoreTiming::ScheduleEvent(VideoInterface::GetTicksPerField(), et_PatchEngine);
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CoreTiming::ScheduleEvent(VideoInterface::GetTicksPerField(), et_PatchEngine);
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if (SConfig::GetInstance().bWii)
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CoreTiming::ScheduleEvent(s_ipc_hle_period, et_IPC_HLE);
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if (SConfig::GetInstance().bWii)
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CoreTiming::ScheduleEvent(s_ipc_hle_period, et_IPC_HLE);
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}
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void Shutdown()
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{
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Common::Timer::RestoreResolution();
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Common::Timer::RestoreResolution();
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}
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} // namespace
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Reference in New Issue
Block a user