remove dvd threading. shouldn't hurt performance - should make doing anything dealing with DI access a lot more sane (especially for GC)
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@4730 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Shawn Hoffman
parent
4240cf9053
commit
37a5be0e00
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@ -24,8 +24,8 @@
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#include "DVDInterface.h"
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#include "../PowerPC/PowerPC.h"
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#include "ProcessorInterface.h"
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#include "Memmap.h"
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#include "Thread.h"
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#include "Memmap.h"
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#include "../VolumeHandler.h"
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namespace DVDInterface
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@ -48,7 +48,7 @@ enum
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// DVD IntteruptTypes
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enum DVDInterruptType
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enum DI_InterruptType
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{
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INT_DEINT = 0,
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INT_TCINT = 1,
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@ -204,15 +204,18 @@ bool g_bStream = false;
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// GC-AM only
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static unsigned char media_buffer[0x40];
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// Needed because data and streaming audio access needs to be managed by the "drive"
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// (both requests can happen at the same time, audio takes precedence)
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Common::CriticalSection dvdread_section;
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static bool g_dvdQuitSignal = false;
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static Common::Event g_dvdAlert;
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static Common::Thread* g_dvdThread = NULL;
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static int changeDisc;
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void ChangeDiscCallback(u64 userdata, int cyclesLate);
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void UpdateInterrupts();
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void GenerateDIInterrupt(DI_InterruptType _DVDInterrupt);
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void ExecuteCommand(UDICR& _DICR);
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void DoState(PointerWrap &p)
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{
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p.Do(m_DISR);
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@ -232,38 +235,6 @@ void DoState(PointerWrap &p)
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p.Do(g_bDiscInside);
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}
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void UpdateInterrupts();
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void GenerateDVDInterrupt(DVDInterruptType _DVDInterrupt);
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void ExecuteCommand(UDICR& _DICR);
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static int et_GenerateDVDInterrupt;
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static void GenerateDVDInterruptCallback(u64 userdata, int cyclesLate)
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{
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GenerateDVDInterrupt((DVDInterruptType)userdata);
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}
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static void GenerateDVDInterrupt_Threadsafe(DVDInterruptType type)
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{
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CoreTiming::ScheduleEvent_Threadsafe(0, et_GenerateDVDInterrupt, type);
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}
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static THREAD_RETURN DVDThreadFunc(void* arg)
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{
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for (;;)
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{
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g_dvdAlert.Wait();
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if (g_dvdQuitSignal)
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break;
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if (m_DICR.TSTART)
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ExecuteCommand(m_DICR);
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}
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return 0;
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}
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void Init()
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{
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m_DISR.Hex = 0;
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@ -282,32 +253,11 @@ void Init()
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AudioPos = 0;
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AudioLength = 0;
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et_GenerateDVDInterrupt = CoreTiming::RegisterEvent("DVDint", GenerateDVDInterruptCallback);
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g_dvdAlert.Init();
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g_dvdThread = new Common::Thread(DVDThreadFunc, NULL);
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changeDisc = CoreTiming::RegisterEvent("ChangeDisc", ChangeDiscCallback);
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}
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void Shutdown()
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{
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if (g_dvdThread)
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{
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g_dvdQuitSignal = true;
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g_dvdAlert.Set();
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#ifdef _WIN32
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g_dvdThread->WaitForDeath(3000);
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#else
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g_dvdThread->WaitForDeath();
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#endif
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delete g_dvdThread;
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g_dvdThread = NULL;
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g_dvdAlert.Shutdown();
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g_dvdQuitSignal = false;
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}
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}
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void SetDiscInside(bool _DiscInside)
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@ -369,7 +319,7 @@ void SetLidOpen(bool _bOpen)
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{
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m_DICVR.CVR = _bOpen ? 1 : 0;
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GenerateDVDInterrupt_Threadsafe(INT_CVRINT);
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GenerateDIInterrupt(INT_CVRINT);
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}
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bool IsLidOpen()
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@ -456,16 +406,17 @@ void Write32(const u32 _iValue, const u32 _iAddress)
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m_DISR.DEINITMASK = tmpStatusReg.DEINITMASK;
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m_DISR.TCINTMASK = tmpStatusReg.TCINTMASK;
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m_DISR.BRKINTMASK = tmpStatusReg.BRKINTMASK;
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m_DISR.BREAK = tmpStatusReg.BREAK;
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if (tmpStatusReg.DEINT) m_DISR.DEINT = 0;
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if (tmpStatusReg.TCINT) m_DISR.TCINT = 0;
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if (tmpStatusReg.BRKINT) m_DISR.BRKINT = 0;
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if (tmpStatusReg.BREAK)
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if (m_DISR.BREAK)
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{
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_dbg_assert_(DVDINTERFACE, 0);
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}
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UpdateInterrupts();
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}
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break;
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@ -501,8 +452,8 @@ void Write32(const u32 _iValue, const u32 _iAddress)
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case DI_DMA_CONTROL_REGISTER:
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{
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m_DICR.Hex = _iValue;
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// The thread loop checks if TSTART is set, don't need to check here
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g_dvdAlert.Set();
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if (m_DICR.TSTART)
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ExecuteCommand(m_DICR);
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}
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break;
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@ -537,7 +488,7 @@ void UpdateInterrupts()
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}
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}
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void GenerateDVDInterrupt(DVDInterruptType _DVDInterrupt)
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void GenerateDIInterrupt(DI_InterruptType _DVDInterrupt)
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{
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switch(_DVDInterrupt)
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{
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@ -694,7 +645,7 @@ void ExecuteCommand(UDICR& _DICR)
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_DICR.TSTART = 0;
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m_DILENGTH.Length = 0;
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g_ErrorCode = ERROR_NO_DISK | ERROR_COVER_H;
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GenerateDVDInterrupt_Threadsafe(INT_DEINT);
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GenerateDIInterrupt(INT_DEINT);
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return;
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}
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break;
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@ -928,7 +879,7 @@ void ExecuteCommand(UDICR& _DICR)
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// transfer is done
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_DICR.TSTART = 0;
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m_DILENGTH.Length = 0;
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GenerateDVDInterrupt_Threadsafe(INT_TCINT);
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GenerateDIInterrupt(INT_TCINT);
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g_ErrorCode = 0;
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}
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