7f75f5eb1e
*Due space limitations only the debug version of kenobigc is supported, this means there is a bit less space for cheats. git-svn-id: svn://localhost/Users/andi/Downloads/code/trunk@2 be6c1b03-d731-4111-a574-e37d80d43941
293 lines
8.0 KiB
C
293 lines
8.0 KiB
C
#include "dip.h"
|
|
|
|
u32 StreamBufferSize= 54*1024;
|
|
u32 Streaming = 0;
|
|
u32 StreamOffset = 0;
|
|
u32 StreamDiscOffset= 0;
|
|
s32 StreamSize = 0;
|
|
u32 StreamRAMOffset = 0;
|
|
u32 StreamTimer = 0;
|
|
u32 StreamStopEnd = 0;
|
|
u32 GameRun = 0;
|
|
u32 DOLMinOff = 0;
|
|
u32 DOLMaxOff = 0;
|
|
u32 DOLSize = 0;
|
|
u32 DOLOffset = 0;
|
|
s32 ELFNumberOfSections = 0;
|
|
u32 FSTMode = 0;
|
|
|
|
FIL GameFile;
|
|
u32 read;
|
|
u32 DiscRead=0;
|
|
|
|
char *getfilenamebyoffset(u32 offset)
|
|
{
|
|
u32 fst_offset = read32(0x38) & ~0x80000000;
|
|
|
|
u32 i;
|
|
for (i = fst_offset + 12; i < 0x01800000; i+=12)
|
|
{
|
|
if (read8(i) == 0 && offset >= read32(i + 4) && offset < read32(i + 4) + read32(i + 8))
|
|
{
|
|
return (char *)(fst_offset + read32(fst_offset+8)*12 + (read32(i) & 0x00ffffff));
|
|
}
|
|
}
|
|
return (char*)NULL;
|
|
}
|
|
|
|
void DIInit( void )
|
|
{
|
|
memset32( (void*)DI_BASE, 0xdeadbeef, 0x30 );
|
|
memset32( (void*)(DI_SHADOW), 0, 0x30 );
|
|
|
|
write32( DI_SCONFIG, 0xFF );
|
|
write32( DI_SCOVER, 0 );
|
|
}
|
|
u32 DIUpdateRegisters( void )
|
|
{
|
|
u32 read,i,j;
|
|
static u32 PatchState = 0;
|
|
static u32 DOLReadSize= 0;
|
|
|
|
if( read32(DI_CONTROL) != 0xdeadbeef )
|
|
{
|
|
write32( DI_SCONTROL, read32(DI_CONTROL) & 3 );
|
|
|
|
clear32( DI_SSTATUS, 0x14 );
|
|
|
|
write32( DI_CONTROL, 0xdeadbeef );
|
|
|
|
if( read32(DI_SCONTROL) & 1 )
|
|
{
|
|
if( ConfigGetConfig(DML_CFG_ACTIVITY_LED) )
|
|
set32( HW_GPIO_OUT, 1<<5 );
|
|
|
|
if( read32(DI_CMD_0) != 0xdeadbeef )
|
|
{
|
|
write32( DI_SCMD_0, read32(DI_CMD_0) );
|
|
write32( DI_CMD_0, 0xdeadbeef );
|
|
}
|
|
|
|
if( read32(DI_CMD_1) != 0xdeadbeef )
|
|
{
|
|
write32( DI_SCMD_1, read32(DI_CMD_1) );
|
|
write32( DI_CMD_1, 0xdeadbeef );
|
|
}
|
|
|
|
if( read32(DI_CMD_2) != 0xdeadbeef )
|
|
{
|
|
write32( DI_SCMD_2, read32(DI_CMD_2) );
|
|
write32( DI_CMD_2, 0xdeadbeef );
|
|
}
|
|
|
|
if( read32(DI_DMA_ADR) != 0xdeadbeef )
|
|
{
|
|
write32( DI_SDMA_ADR, read32(DI_DMA_ADR) );
|
|
write32( DI_DMA_ADR, 0xdeadbeef );
|
|
}
|
|
|
|
if( read32(DI_DMA_LEN) != 0xdeadbeef )
|
|
{
|
|
write32( DI_SDMA_LEN, read32(DI_DMA_LEN) );
|
|
write32( DI_DMA_LEN, 0xdeadbeef );
|
|
}
|
|
|
|
if( read32(DI_IMM) != 0xdeadbeef )
|
|
{
|
|
write32( DI_SIMM, read32(DI_IMM) );
|
|
write32( DI_IMM, 0xdeadbeef );
|
|
}
|
|
|
|
switch( read32(DI_SCMD_0) >> 24 )
|
|
{
|
|
case 0xA7:
|
|
case 0xA9:
|
|
//dbgprintf("DIP:Async!\n");
|
|
case 0xA8:
|
|
{
|
|
u32 Buffer = P2C(read32(DI_SDMA_ADR));
|
|
u32 Length = read32(DI_SCMD_2);
|
|
u32 Offset = read32(DI_SCMD_1) << 2;
|
|
|
|
// dbgprintf("DIP:DVDRead%02X( 0x%08x, 0x%08x, 0x%08x )\n", read32(DI_SCMD_0) >> 24, Offset, Length, Buffer|0x80000000 );
|
|
|
|
// udelay(250);
|
|
|
|
if( FSTMode )
|
|
{
|
|
FSTRead( (char*)Buffer, Length, Offset );
|
|
|
|
} else {
|
|
|
|
if( GameFile.fptr != Offset )
|
|
if( f_lseek( &GameFile, Offset ) != FR_OK )
|
|
{
|
|
EXIControl(1);
|
|
dbgprintf("DIP:Failed to seek to 0x%08x\n", Offset );
|
|
while(1);
|
|
}
|
|
if( f_read( &GameFile, (char*)Buffer, Length, &read ) != FR_OK )
|
|
{
|
|
EXIControl(1);
|
|
dbgprintf("DIP:Failed to read from 0x%08x to 0x%08X\n", Offset, Buffer );
|
|
while(1);
|
|
}
|
|
}
|
|
//if( ((read+31)&(~31)) != Length )
|
|
//{
|
|
// dbgprintf("DIP:DVDLowRead Offset:%08X Size:%08d Dst:%08X\n", Offset, Length, Buffer );
|
|
// dbgprintf("DIP:Failed to read %d bytes, only got %d\n", Length, read );
|
|
// break;
|
|
//}
|
|
|
|
if( (u32)Buffer == 0x01300000 )
|
|
{
|
|
DoPatches( (char*)(0x01300000), Length, 0x80000000 );
|
|
}
|
|
|
|
if( PatchState == 0 )
|
|
{
|
|
if( Length == 0x100 )
|
|
{
|
|
if( read32( (u32)Buffer ) == 0x100 )
|
|
{
|
|
//quickly calc the size
|
|
DOLSize = sizeof(dolhdr);
|
|
dolhdr *dol = (dolhdr*)Buffer;
|
|
|
|
for( i=0; i < 7; ++i )
|
|
DOLSize += dol->sizeText[i];
|
|
for( i=0; i < 11; ++i )
|
|
DOLSize += dol->sizeData[i];
|
|
|
|
DOLReadSize = sizeof(dolhdr);
|
|
|
|
DOLMinOff=0x81800000;
|
|
DOLMaxOff=0;
|
|
|
|
for( i=0; i < 7; ++i )
|
|
{
|
|
if( dol->addressText[i] == 0 )
|
|
continue;
|
|
|
|
if( DOLMinOff > dol->addressText[i])
|
|
DOLMinOff = dol->addressText[i];
|
|
|
|
if( DOLMaxOff < dol->addressText[i] + dol->sizeText[i] )
|
|
DOLMaxOff = dol->addressText[i] + dol->sizeText[i];
|
|
}
|
|
DOLMinOff -= 0x80000000;
|
|
DOLMaxOff -= 0x80000000;
|
|
|
|
dbgprintf("DIP:DOLSize:%d DOLMinOff:0x%08X DOLMaxOff:0x%08X\n", DOLSize, DOLMinOff, DOLMaxOff );
|
|
|
|
PatchState = 1;
|
|
}
|
|
} else if( read32(Buffer) == 0x7F454C46 )
|
|
{
|
|
if (getfilenamebyoffset(Offset) != NULL)
|
|
{
|
|
dbgprintf("DIP:The Game is loading %s\n", getfilenamebyoffset(Offset));
|
|
} else
|
|
{
|
|
dbgprintf("DIP:The Game is loading some .elf that is not in the fst...\n");
|
|
}
|
|
for (i = ((*(u32 *)0x00000038) & ~0x80000000) + 16; i < 0x01800000; i+=12) // Search the fst for the dvd offset of the .elf file
|
|
{
|
|
if (*(u32 *)i == Offset)
|
|
{
|
|
DOLSize = *(u32 *)(i+4);
|
|
DOLReadSize = Length;
|
|
|
|
if( DOLReadSize == DOLSize ) // The .elf is read completely already
|
|
{
|
|
dbgprintf("DIP:The .elf is read completely, file size: %u bytes\n", DOLSize);
|
|
DoPatches( (char*)(Buffer), Length, 0x80000000 );
|
|
} else // a part of the .elf is read
|
|
{
|
|
PatchState = 2;
|
|
DOLMinOff=Buffer;
|
|
DOLMaxOff=Buffer+Length;
|
|
if (Length <= 4096) // The .elf header is read
|
|
{
|
|
ELFNumberOfSections = read16(Buffer+0x2c) -2; // Assume that 2 sections are .bss and .sbss which are not read
|
|
dbgprintf("DIP:The .elf header is read(%u bytes), .elf file size: %u bytes, number of sections to load: %u\n", Length, DOLSize, ELFNumberOfSections);
|
|
} else // The .elf is read into a buffer
|
|
{
|
|
ELFNumberOfSections = -1; // Make sure that ELFNumberOfSections == 0 does not become true
|
|
dbgprintf("DIP:The .elf is read into a buffer, read progress: %u/%u bytes\n", Length, DOLSize);
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
} else if ( PatchState != 0 )
|
|
{
|
|
DOLReadSize += Length;
|
|
|
|
if (PatchState == 2)
|
|
{
|
|
ELFNumberOfSections--;
|
|
|
|
// DOLMinOff and DOLMaxOff are optimised when loading .dol files
|
|
if (DOLMinOff > Buffer)
|
|
DOLMinOff = Buffer;
|
|
|
|
if (DOLMaxOff < Buffer+Length)
|
|
DOLMaxOff = Buffer+Length;
|
|
|
|
if (ELFNumberOfSections < 0)
|
|
{
|
|
dbgprintf("DIP:.elf read progress: %u/%u bytes\n", DOLReadSize, DOLSize);
|
|
} else
|
|
{
|
|
dbgprintf("DIP:.elf read progress: %u/%u bytes, sections left: %u\n", DOLReadSize, DOLSize, ELFNumberOfSections);
|
|
}
|
|
}
|
|
|
|
//dbgprintf("DIP:DOLSize:%d DOLReadSize:%d\n", DOLSize, DOLReadSize );
|
|
if( DOLReadSize >= DOLSize || (PatchState == 2 && ELFNumberOfSections == 0))
|
|
{
|
|
DoPatches( (char*)(DOLMinOff), DOLMaxOff-DOLMinOff, 0x80000000 );
|
|
PatchState = 0;
|
|
}
|
|
}
|
|
|
|
write32( DI_SDMA_LEN, 0 );
|
|
|
|
while( read32(DI_SCONTROL) & 1 )
|
|
clear32( DI_SCONTROL, 1 );
|
|
|
|
set32( DI_SSTATUS, 0x3A );
|
|
|
|
if( (read32(DI_SCMD_0) >> 24) == 0xA7 )
|
|
{
|
|
write32( 0x0d80000C, (1<<0) | (1<<4) );
|
|
write32( HW_PPCIRQFLAG, read32(HW_PPCIRQFLAG) );
|
|
write32( HW_ARMIRQFLAG, read32(HW_ARMIRQFLAG) );
|
|
set32( 0x0d80000C, (1<<2) );
|
|
}
|
|
|
|
} break;
|
|
default:
|
|
{
|
|
EXIControl(1);
|
|
dbgprintf("DIP:Unknown CMD:%08X %08X %08X %08X %08X %08X\n", read32(DI_SCMD_0), read32(DI_SCMD_1), read32(DI_SCMD_2), read32(DI_SIMM), read32(DI_SDMA_ADR), read32(DI_SDMA_LEN) );
|
|
while(1);
|
|
} break;
|
|
}
|
|
|
|
if( ConfigGetConfig(DML_CFG_ACTIVITY_LED) )
|
|
clear32( HW_GPIO_OUT, 1<<5 );
|
|
|
|
return 1;
|
|
} else {
|
|
;//dbgprintf("DIP:DI_CONTROL:%08X:%08X\n", read32(DI_CONTROL), read32(DI_CONTROL) );
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|