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dolphin/Source/Plugins/Plugin_DSP_LLE/Src/main.cpp

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// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "Common.h"
#include "CommonPaths.h"
#include "Atomic.h"
#include "CommonTypes.h"
#include "LogManager.h"
#include "Thread.h"
#include "ChunkFile.h"
#include "Globals.h" // Local
#include "DSPInterpreter.h"
#include "DSPHWInterface.h"
#include "disassemble.h"
#include "DSPSymbols.h"
#include "Config.h"
#include "AudioCommon.h"
#include "Mixer.h"
#include "DSPTables.h"
#include "DSPCore.h"
#if defined(HAVE_WX) && HAVE_WX
#include "DSPConfigDlgLLE.h"
DSPConfigDialogLLE* m_ConfigFrame = NULL;
#include "Debugger/DSPDebugWindow.h"
#endif
PLUGIN_GLOBALS* globals = NULL;
DSPInitialize g_dspInitialize;
Common::Thread *g_hDSPThread = NULL;
SoundStream *soundStream = NULL;
bool g_InitMixer = false;
bool bIsRunning = false;
volatile u32 cycle_count = 0;
// Standard crap to make wxWidgets happy
#ifdef _WIN32
HINSTANCE g_hInstance;
#if defined(HAVE_WX) && HAVE_WX
class wxDLLApp : public wxApp
{
bool OnInit()
{
return true;
}
};
IMPLEMENT_APP_NO_MAIN(wxDLLApp)
WXDLLIMPEXP_BASE void wxSetInstance(HINSTANCE hInst);
#endif
BOOL APIENTRY DllMain(HINSTANCE hinstDLL, // DLL module handle
DWORD dwReason, // reason called
LPVOID lpvReserved) // reserved
{
switch (dwReason)
{
case DLL_PROCESS_ATTACH:
{
#if defined(HAVE_WX) && HAVE_WX
wxSetInstance((HINSTANCE)hinstDLL);
wxInitialize();
#endif
}
break;
case DLL_PROCESS_DETACH:
#if defined(HAVE_WX) && HAVE_WX
wxUninitialize();
#endif
break;
}
g_hInstance = hinstDLL;
return TRUE;
}
#endif
void GetDllInfo(PLUGIN_INFO* _PluginInfo)
{
_PluginInfo->Version = 0x0100;
_PluginInfo->Type = PLUGIN_TYPE_DSP;
#ifdef DEBUGFAST
sprintf(_PluginInfo->Name, "Dolphin DSP-LLE Plugin (DebugFast)");
#else
#ifndef _DEBUG
sprintf(_PluginInfo->Name, "Dolphin DSP-LLE Plugin");
#else
sprintf(_PluginInfo->Name, "Dolphin DSP-LLE Plugin (Debug)");
#endif
#endif
}
void SetDllGlobals(PLUGIN_GLOBALS* _pPluginGlobals)
{
globals = _pPluginGlobals;
LogManager::SetInstance((LogManager *)globals->logManager);
}
void DllConfig(void *_hParent)
{
#if defined(HAVE_WX) && HAVE_WX
m_ConfigFrame = new DSPConfigDialogLLE((wxWindow *)_hParent);
// add backends
std::vector<std::string> backends = AudioCommon::GetSoundBackends();
for (std::vector<std::string>::const_iterator iter = backends.begin();
iter != backends.end(); ++iter)
{
m_ConfigFrame->AddBackend((*iter).c_str());
}
m_ConfigFrame->ShowModal();
m_ConfigFrame->Destroy();
#endif
}
void DoState(unsigned char **ptr, int mode)
{
PointerWrap p(ptr, mode);
p.Do(g_InitMixer);
// Enable this when the HLE is fixed to save/load the same amount of data,
// no matter how bogus, so that one can switch LLE->HLE. The other way is unlikely to work very well.
#if 0
p.Do(g_dsp.r);
p.Do(g_dsp.pc);
p.Do(g_dsp.err_pc);
p.Do(g_dsp.cr);
p.Do(g_dsp.reg_stack_ptr);
p.Do(g_dsp.exceptions);
p.Do(g_dsp.exceptions_in_progress);
for (int i = 0; i < 4; i++) {
p.Do(g_dsp.reg_stack[i]);
}
p.Do(g_dsp.iram_crc);
p.Do(g_dsp.step_counter);
p.Do(g_dsp.ifx_regs);
p.Do(g_dsp.mbox[0]);
p.Do(g_dsp.mbox[1]);
p.DoArray(g_dsp.iram, DSP_IRAM_BYTE_SIZE);
p.DoArray(g_dsp.dram, DSP_DRAM_BYTE_SIZE);
#endif
}
void EmuStateChange(PLUGIN_EMUSTATE newState)
{
DSP_ClearAudioBuffer((newState == PLUGIN_EMUSTATE_PLAY) ? false : true);
}
void *DllDebugger(void *_hParent, bool Show)
{
#if defined(HAVE_WX) && HAVE_WX
m_DebuggerFrame = new DSPDebuggerLLE((wxWindow *)_hParent);
return (void *)m_DebuggerFrame;
#else
return NULL;
#endif
}
// Regular thread
THREAD_RETURN dsp_thread(void* lpParameter)
{
while (bIsRunning)
{
int cycles = (int)cycle_count;
if (cycles > 0) {
if (jit)
DSPCore_RunCycles(cycles);
else
DSPInterpreter::RunCycles(cycles);
Common::AtomicAdd(cycle_count, -cycles);
}
// yield?
}
return 0;
}
void DSP_DebugBreak()
{
#if defined(HAVE_WX) && HAVE_WX
// if (m_DebuggerFrame)
// m_DebuggerFrame->DebugBreak();
#endif
}
void Initialize(void *init)
{
g_InitMixer = false;
bool bCanWork = true;
char irom_file[MAX_PATH];
char coef_file[MAX_PATH];
g_dspInitialize = *(DSPInitialize*)init;
g_Config.Load();
snprintf(irom_file, MAX_PATH, "%s%s",
File::GetSysDirectory().c_str(), GC_SYS_DIR DIR_SEP DSP_IROM);
if (!File::Exists(irom_file))
snprintf(irom_file, MAX_PATH, "%s%s",
File::GetUserPath(D_GCUSER_IDX), DIR_SEP DSP_IROM);
snprintf(coef_file, MAX_PATH, "%s%s",
File::GetSysDirectory().c_str(), GC_SYS_DIR DIR_SEP DSP_COEF);
if (!File::Exists(coef_file))
snprintf(coef_file, MAX_PATH, "%s%s",
File::GetUserPath(D_GCUSER_IDX), DIR_SEP DSP_COEF);
bCanWork = DSPCore_Init(irom_file, coef_file, AudioCommon::UseJIT());
g_dsp.cpu_ram = g_dspInitialize.pGetMemoryPointer(0);
DSPCore_Reset();
if (!bCanWork)
{
DSPCore_Shutdown();
// No way to shutdown Core from here? Hardcore shutdown!
exit(EXIT_FAILURE);
return;
}
bIsRunning = true;
InitInstructionTable();
if (g_dspInitialize.bOnThread)
{
g_hDSPThread = new Common::Thread(dsp_thread, NULL);
}
#if defined(HAVE_WX) && HAVE_WX
if (m_DebuggerFrame)
m_DebuggerFrame->Refresh();
#endif
}
void DSP_StopSoundStream()
{
DSPInterpreter::Stop();
bIsRunning = false;
if (g_dspInitialize.bOnThread)
{
delete g_hDSPThread;
g_hDSPThread = NULL;
}
}
void Shutdown()
{
AudioCommon::ShutdownSoundStream();
DSPCore_Shutdown();
}
u16 DSP_WriteControlRegister(u16 _uFlag)
{
UDSPControl Temp(_uFlag);
if (!g_InitMixer)
{
if (!Temp.DSPHalt && Temp.DSPInit)
{
unsigned int AISampleRate, DACSampleRate;
g_dspInitialize.pGetSampleRate(AISampleRate, DACSampleRate);
soundStream = AudioCommon::InitSoundStream(new CMixer(AISampleRate, DACSampleRate));
if(!soundStream) PanicAlert("Error starting up sound stream");
// Mixer is initialized
g_InitMixer = true;
}
}
DSPInterpreter::WriteCR(_uFlag);
// Check if the CPU has set an external interrupt (CR_EXTERNAL_INT)
// and immediately process it, if it has.
if (_uFlag & 2)
{
DSPCore_CheckExternalInterrupt();
DSPCore_CheckExceptions();
}
return DSPInterpreter::ReadCR();
}
u16 DSP_ReadControlRegister()
{
return DSPInterpreter::ReadCR();
}
u16 DSP_ReadMailboxHigh(bool _CPUMailbox)
{
if (_CPUMailbox)
return gdsp_mbox_read_h(GDSP_MBOX_CPU);
else
return gdsp_mbox_read_h(GDSP_MBOX_DSP);
}
u16 DSP_ReadMailboxLow(bool _CPUMailbox)
{
if (_CPUMailbox)
return gdsp_mbox_read_l(GDSP_MBOX_CPU);
else
return gdsp_mbox_read_l(GDSP_MBOX_DSP);
}
void DSP_WriteMailboxHigh(bool _CPUMailbox, u16 _uHighMail)
{
if (_CPUMailbox)
{
if (gdsp_mbox_peek(GDSP_MBOX_CPU) & 0x80000000)
{
ERROR_LOG(DSPLLE, "Mailbox isnt empty ... strange");
}
#if PROFILE
if ((_uHighMail) == 0xBABE)
{
ProfilerStart();
}
#endif
gdsp_mbox_write_h(GDSP_MBOX_CPU, _uHighMail);
}
else
{
ERROR_LOG(DSPLLE, "CPU cant write to DSP mailbox");
}
}
void DSP_WriteMailboxLow(bool _CPUMailbox, u16 _uLowMail)
{
if (_CPUMailbox)
{
gdsp_mbox_write_l(GDSP_MBOX_CPU, _uLowMail);
}
else
{
ERROR_LOG(DSPLLE, "CPU cant write to DSP mailbox");
}
}
void DSP_Update(int cycles)
{
unsigned int dsp_cycles = cycles / 6; //(jit?20:6);
// Sound stream update job has been handled by AudioDMA routine, which is more efficient
/*
// This gets called VERY OFTEN. The soundstream update might be expensive so only do it 200 times per second or something.
int cycles_between_ss_update;
if (g_dspInitialize.bWii)
cycles_between_ss_update = 121500000 / 200;
else
cycles_between_ss_update = 81000000 / 200;
cycle_count += cycles;
if (cycle_count > cycles_between_ss_update)
{
while (cycle_count > cycles_between_ss_update)
cycle_count -= cycles_between_ss_update;
soundStream->Update();
}
*/
// If we're not on a thread, run cycles here.
if (!g_dspInitialize.bOnThread)
{
// ~1/6th as many cycles as the period PPC-side.
DSPCore_RunCycles(dsp_cycles);
}
else
{
// Wait for dsp thread to catch up reasonably. Note: this logic should be thought through.
while (cycle_count > dsp_cycles)
;
Common::AtomicAdd(cycle_count, dsp_cycles);
}
}
void DSP_SendAIBuffer(unsigned int address, unsigned int num_samples)
{
if (!soundStream)
return;
CMixer *pMixer = soundStream->GetMixer();
if (pMixer != 0 && address != 0)
{
short *samples = (short *)Memory_Get_Pointer(address);
pMixer->PushSamples(samples, num_samples);
}
soundStream->Update();
}
void DSP_ClearAudioBuffer(bool mute)
{
if (soundStream)
soundStream->Clear(mute);
}
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