VOID DumpGDT()
{
int i;
GDTINFO gdtinfo;
unsigned long gdtbase;
PDESCRIPTOR_ENTRY pcgd_base;
__asm sgdt gdtinfo
gdtbase = MAKELONG(gdtinfo.BaseLow, gdtinfo.BaseHigh);
DbgPrint("Rootkit: got GDT base address 0x%08X", gdtbase);
conprintf("GDTBase=0x%08X Limit=0x%04X\r\n", gdtbase, gdtinfo.BaseLimit);
DbgPrint("Rootkit: sizeof( DESCRIPTOR_ENTRY ) %d", sizeof(DESCRIPTOR_ENTRY) );
DbgPrint("Rootkit: sizeof( SUBTYPE ) %d", sizeof(SUBTYPE) );
// enumerate all entries in the GDT
// we can use the callgate descriptor structure because it
// carries common members w/ other GDT entry types
pcgd_base = (PDESCRIPTOR_ENTRY) gdtbase;
for(i=1;i<=gdtinfo.BaseLimit>>3;i++)
{
conprintf("%04X %24s %08X %08X %d %s\t%s \r\n",
i * 8,
GetDescriptorType(&pcgd_base[i]),
0,
0,
pcgd_base[i].dpl,
pcgd_base[i].present ? "P" : "NP",
"??" );
}
}
DWORD __stdcall MyCallGateFunction(PMYCALL_FRAME f)
{
//conprintf( "hello callgate, you passed:\r\n arg_0: 0x%08X \r\n arg_1: 0x%08X \r\n arg_2: 0x%08X \r\n arg_3: 0x%08X \r\n calling_eip: 0x%08X \r\n calling_cs: 0x%08X \r\n",
// f->arg_0,
// f->arg_1,
// f->arg_2,
// f->arg_3,
// f->calling_eip,
// f->calling_cs );
conprintf("CALL_FRAME: 0x%08X\r\n", f);
conprintf("arg_0: 0x%08X\r\n", f->arg_0);
conprintf("arg_0: 0x%08X\r\n", f->arg_1);
conprintf("arg_0: 0x%08X\r\n", f->arg_2);
conprintf("arg_0: 0x%08X\r\n", f->arg_3);
return 0;
}
EXPORT_C_(void) s2r_replay(HWND hwnd, HINSTANCE hinst, LPSTR filename, int nCmdShow)
{
#ifndef ENABLE_NEW_IOPDMA_SPU2
int events=0;
Running = true;
#ifdef WIN32
AllocConsole();
SetConsoleCtrlHandler(HandlerRoutine, TRUE);
conprintf("Playing %s file on %x...",filename,hwnd);
#endif
// load file
FILE *file=fopen(filename,"rb");
if(!file)
{
conprintf("Could not open the replay file.");
return;
}
// if successful, init the plugin
#define TryRead(dest,size,count,file) if(fread(dest,size,count,file)<count) { conprintf("Error reading from file."); goto Finish; /* Need to exit the while() loop and maybe also the switch */ }
TryRead(&CurrentIOPCycle,4,1,file);
replay_mode=true;
InitWaitSync(); // Initialize the WaitSync stuff
SPU2init();
SPU2irqCallback(dummy1,dummy4,dummy7);
SPU2setClockPtr(&CurrentIOPCycle);
SPU2open(&hwnd);
CurrentIOPCycle=0;
SPU2async(0);
while(!feof(file) && Running)
{
u32 ccycle=0;
u32 evid=0;
u32 sval=0;
u32 tval=0;
TryRead(&ccycle,4,1,file);
TryRead(&sval,4,1,file);
evid=sval>>29;
sval&=0x1FFFFFFF;
u32 TargetCycle = ccycle * 768;
while(TargetCycle > CurrentIOPCycle)
{
u32 delta = WaitSync(TargetCycle);
SPU2async(delta);
}
switch(evid)
{
case 0:
SPU2read(sval);
break;
case 1:
TryRead(&tval,2,1,file);
SPU2write(sval,tval);
break;
case 2:
TryRead(dmabuffer,sval,2,file);
SPU2writeDMA4Mem(dmabuffer,sval);
break;
case 3:
TryRead(dmabuffer,sval,2,file);
SPU2writeDMA7Mem(dmabuffer,sval);
break;
default:
// not implemented
return;
break;
}
events++;
}
Finish:
//shutdown
SPU2close();
SPU2shutdown();
fclose(file);
conprintf("Finished playing %s file (%d cycles, %d events).",filename,CurrentIOPCycle,events);
#ifdef WIN32
FreeConsole();
#endif
replay_mode=false;
#endif
}