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project64/Source/Project64-core/Plugins/RSPPlugin.cpp

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/****************************************************************************
* *
* Project64 - A Nintendo 64 emulator. *
* http://www.pj64-emu.com/ *
* Copyright (C) 2012 Project64. All rights reserved. *
* *
* License: *
* GNU/GPLv2 http://www.gnu.org/licenses/gpl-2.0.html *
* *
****************************************************************************/
#include "stdafx.h"
#include <Project64-core/N64System/SystemGlobals.h>
#include <Project64-core/N64System/Mips/MemoryVirtualMem.h>
#include <Project64-core/N64System/Mips/RegisterClass.h>
#include "RSPPlugin.h"
#include "GFXPlugin.h"
#include <Project64-core/Plugins/AudioPlugin.h>
void DummyFunc1(int a) { a += 1; }
CRSP_Plugin::CRSP_Plugin(void) :
DoRspCycles(NULL),
EnableDebugging(NULL),
m_CycleCount(0),
GetDebugInfo(NULL),
InitiateDebugger(NULL)
{
memset(&m_RSPDebug, 0, sizeof(m_RSPDebug));
}
CRSP_Plugin::~CRSP_Plugin()
{
Close(NULL);
UnloadPlugin();
}
bool CRSP_Plugin::LoadFunctions(void)
{
// Find entries for functions in DLL
void(CALL *InitiateRSP)(void);
LoadFunction(InitiateRSP);
LoadFunction(DoRspCycles);
_LoadFunction("GetRspDebugInfo", GetDebugInfo);
_LoadFunction("InitiateRSPDebugger", InitiateDebugger);
LoadFunction(EnableDebugging);
if (EnableDebugging == NULL) { EnableDebugging = DummyFunc1; }
//Make sure dll had all needed functions
if (DoRspCycles == NULL) { UnloadPlugin(); return false; }
if (InitiateRSP == NULL) { UnloadPlugin(); return false; }
if (RomClosed == NULL) { UnloadPlugin(); return false; }
if (CloseDLL == NULL) { UnloadPlugin(); return false; }
if (m_PluginInfo.Version >= 0x0102)
{
if (PluginOpened == NULL) { UnloadPlugin(); return false; }
}
// Get debug info if able
if (GetDebugInfo != NULL)
{
GetDebugInfo(&m_RSPDebug);
}
return true;
}
bool CRSP_Plugin::Initiate(CPlugins * Plugins, CN64System * System)
{
WriteTrace(TraceRSPPlugin, TraceDebug, "Starting");
if (m_PluginInfo.Version == 1 || m_PluginInfo.Version == 0x100)
{
WriteTrace(TraceRSPPlugin, TraceDebug, "Invalid Version: %X",m_PluginInfo.Version);
WriteTrace(TraceRSPPlugin, TraceDebug, "Done (res: false)");
return false;
}
typedef struct
{
void * hInst;
int MemoryBswaped; /* If this is set to TRUE, then the memory has been pre
bswap on a dword (32 bits) boundry */
uint8_t * RDRAM;
uint8_t * DMEM;
uint8_t * IMEM;
uint32_t * MI__INTR_REG;
uint32_t * SP__MEM_ADDR_REG;
uint32_t * SP__DRAM_ADDR_REG;
uint32_t * SP__RD_LEN_REG;
uint32_t * SP__WR_LEN_REG;
uint32_t * SP__STATUS_REG;
uint32_t * SP__DMA_FULL_REG;
uint32_t * SP__DMA_BUSY_REG;
uint32_t * SP__PC_REG;
uint32_t * SP__SEMAPHORE_REG;
uint32_t * DPC__START_REG;
uint32_t * DPC__END_REG;
uint32_t * DPC__CURRENT_REG;
uint32_t * DPC__STATUS_REG;
uint32_t * DPC__CLOCK_REG;
uint32_t * DPC__BUFBUSY_REG;
uint32_t * DPC__PIPEBUSY_REG;
uint32_t * DPC__TMEM_REG;
void(CALL *CheckInterrupts)(void);
void(CALL *ProcessDlist)(void);
void(CALL *ProcessAlist)(void);
void(CALL *ProcessRdpList)(void);
void(CALL *ShowCFB)(void);
} RSP_INFO_1_1;
RSP_INFO_1_1 Info = { 0 };
#ifdef _WIN32
Info.hInst = (Plugins != NULL && Plugins->MainWindow() != NULL) ? Plugins->MainWindow()->GetModuleInstance() : NULL;
#else
Info.hInst = NULL;
#endif
Info.CheckInterrupts = DummyCheckInterrupts;
Info.MemoryBswaped = (System == NULL); // only true when the system's not yet loaded
//Get Function from DLL
void(CALL *InitiateRSP) (RSP_INFO_1_1 Audio_Info, uint32_t * Cycles);
LoadFunction(InitiateRSP);
if (InitiateRSP == NULL)
{
WriteTrace(TraceRSPPlugin, TraceDebug, "Failed to find InitiateRSP");
WriteTrace(TraceRSPPlugin, TraceDebug, "Done (res: false)");
return false;
}
// We are initializing the plugin before any rom is loaded so we do not have any correct
// parameters here.. just needed to we can config the DLL.
if (System == NULL)
{
static uint8_t Buffer[100];
static uint32_t Value = 0;
Info.ProcessDlist = DummyCheckInterrupts;
Info.ProcessRdpList = DummyCheckInterrupts;
Info.ShowCFB = DummyCheckInterrupts;
Info.ProcessAlist = DummyCheckInterrupts;
Info.RDRAM = Buffer;
Info.DMEM = Buffer;
Info.IMEM = Buffer;
Info.MI__INTR_REG = &Value;
Info.SP__MEM_ADDR_REG = &Value;
Info.SP__DRAM_ADDR_REG = &Value;
Info.SP__RD_LEN_REG = &Value;
Info.SP__WR_LEN_REG = &Value;
Info.SP__STATUS_REG = &Value;
Info.SP__DMA_FULL_REG = &Value;
Info.SP__DMA_BUSY_REG = &Value;
Info.SP__PC_REG = &Value;
Info.SP__SEMAPHORE_REG = &Value;
Info.DPC__START_REG = &Value;
Info.DPC__END_REG = &Value;
Info.DPC__CURRENT_REG = &Value;
Info.DPC__STATUS_REG = &Value;
Info.DPC__CLOCK_REG = &Value;
Info.DPC__BUFBUSY_REG = &Value;
Info.DPC__PIPEBUSY_REG = &Value;
Info.DPC__TMEM_REG = &Value;
}
// Send initialization information to the DLL
else
{
Info.ProcessDlist = Plugins->Gfx()->ProcessDList;
Info.ProcessRdpList = Plugins->Gfx()->ProcessRDPList;
Info.ShowCFB = Plugins->Gfx()->ShowCFB;
Info.ProcessAlist = Plugins->Audio()->ProcessAList;
Info.RDRAM = g_MMU->Rdram();
Info.DMEM = g_MMU->Dmem();
Info.IMEM = g_MMU->Imem();
Info.MI__INTR_REG = &g_Reg->m_RspIntrReg;
Info.SP__MEM_ADDR_REG = &g_Reg->SP_MEM_ADDR_REG;
Info.SP__DRAM_ADDR_REG = &g_Reg->SP_DRAM_ADDR_REG;
Info.SP__RD_LEN_REG = &g_Reg->SP_RD_LEN_REG;
Info.SP__WR_LEN_REG = &g_Reg->SP_WR_LEN_REG;
Info.SP__STATUS_REG = &g_Reg->SP_STATUS_REG;
Info.SP__DMA_FULL_REG = &g_Reg->SP_DMA_FULL_REG;
Info.SP__DMA_BUSY_REG = &g_Reg->SP_DMA_BUSY_REG;
Info.SP__PC_REG = &g_Reg->SP_PC_REG;
Info.SP__SEMAPHORE_REG = &g_Reg->SP_SEMAPHORE_REG;
Info.DPC__START_REG = &g_Reg->DPC_START_REG;
Info.DPC__END_REG = &g_Reg->DPC_END_REG;
Info.DPC__CURRENT_REG = &g_Reg->DPC_CURRENT_REG;
Info.DPC__STATUS_REG = &g_Reg->DPC_STATUS_REG;
Info.DPC__CLOCK_REG = &g_Reg->DPC_CLOCK_REG;
Info.DPC__BUFBUSY_REG = &g_Reg->DPC_BUFBUSY_REG;
Info.DPC__PIPEBUSY_REG = &g_Reg->DPC_PIPEBUSY_REG;
Info.DPC__TMEM_REG = &g_Reg->DPC_TMEM_REG;
}
InitiateRSP(Info, &m_CycleCount);
m_Initialized = true;
#ifdef _WIN32
//jabo had a bug so I call CreateThread so his dllmain gets called again
pjutil::DynLibCallDllMain();
#endif
WriteTrace(TraceRSPPlugin, TraceDebug, "Done (res: %s)",m_Initialized ? "true" : "false");
return m_Initialized;
}
void CRSP_Plugin::UnloadPluginDetails(void)
{
memset(&m_RSPDebug, 0, sizeof(m_RSPDebug));
DoRspCycles = NULL;
EnableDebugging = NULL;
GetDebugInfo = NULL;
InitiateDebugger = NULL;
}
void CRSP_Plugin::ProcessMenuItem(int id)
{
if (m_RSPDebug.ProcessMenuItem)
{
m_RSPDebug.ProcessMenuItem(id);
}
}
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