Play-/Source/iop/Iop_Loadcore.cpp

106 lines
2.5 KiB
C++

#include "Iop_Loadcore.h"
#include "Iop_Dynamic.h"
#include "IopBios.h"
#include "../Log.h"
using namespace Iop;
using namespace std;
#define LOG_NAME "iop_loadcore"
CLoadcore::CLoadcore(CIopBios& bios, uint8* ram, CSifMan& sifMan) :
m_bios(bios),
m_ram(ram)
{
sifMan.RegisterModule(MODULE_ID, this);
}
CLoadcore::~CLoadcore()
{
}
string CLoadcore::GetId() const
{
return "loadcore";
}
string CLoadcore::GetFunctionName(unsigned int functionId) const
{
return "unknown";
}
void CLoadcore::Invoke(CMIPS& context, unsigned int functionId)
{
switch(functionId)
{
case 6:
context.m_State.nGPR[CMIPS::V0].nD0 = static_cast<int32>(RegisterLibraryEntries(
reinterpret_cast<uint32*>(&m_ram[context.m_State.nGPR[CMIPS::A0].nV0])
));
break;
default:
printf("%s(%0.8X): Unknown function (%d) called.\r\n", __FUNCTION__, context.m_State.nPC, functionId);
break;
}
}
void CLoadcore::Invoke(uint32 method, uint32* args, uint32 argsSize, uint32* ret, uint32 retSize, uint8* ram)
{
switch(method)
{
case 0x00:
LoadModule(args, argsSize, ret, retSize);
break;
case 0x06:
LoadModuleFromMemory(args, argsSize, ret, retSize);
break;
case 0xFF:
//This is sometimes called after binding this server with a client
Initialize(args, argsSize, ret, retSize);
break;
default:
CLog::GetInstance().Print(LOG_NAME, "Invoking unknown function %d.\r\n", method);
break;
}
}
uint32 CLoadcore::RegisterLibraryEntries(uint32* exportTable)
{
m_bios.RegisterModule(new CDynamic(exportTable));
return 1;
}
void CLoadcore::LoadModule(uint32* args, uint32 argsSize, uint32* ret, uint32 retSize)
{
char sModuleName[253];
assert(argsSize == 512);
//Sometimes called with 4, sometimes 8
assert(retSize >= 4);
memset(sModuleName, 0, 253);
strncpy(sModuleName, &(reinterpret_cast<const char*>(args))[8], 252);
//Load the module???
CLog::GetInstance().Print(LOG_NAME, "Request to load module '%s' received.\r\n", sModuleName);
//This function returns something negative upon failure
ret[0] = 0x00000000;
}
void CLoadcore::LoadModuleFromMemory(uint32* args, uint32 argsSize, uint32* ret, uint32 retSize)
{
m_bios.LoadAndStartModule(args[0], NULL, 0);
ret[0] = 0x00000000;
}
void CLoadcore::Initialize(uint32* args, uint32 argsSize, uint32* ret, uint32 retSize)
{
assert(argsSize == 0);
assert(retSize == 4);
ret[0] = 0x2E2E2E2E;
}