WiiFlow_Lite/source/loader/gc_disc.cpp
fix94.1 f82fdc0e50 -updated english.ini for translators
-fixed really stupid error which broke gc
disc dumping, also modified it a bit again
-cleaned up the copy menu a bit
2012-02-28 18:44:41 +00:00

383 lines
9.5 KiB
C++

/***************************************************************************
* Copyright (C) 2012
* by OverjoY and FIX94 for Wiiflow
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any
* damages arising from the use of this software.
*
* Permission is granted to anyone to use this software for any
* purpose, including commercial applications, and to alter it and
* redistribute it freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you
* must not claim that you wrote the original software. If you use
* this software in a product, an acknowledgment in the product
* documentation would be appreciated but is not required.
*
* 2. Altered source versions must be plainly marked as such, and
* must not be misrepresented as being the original software.
*
* 3. This notice may not be removed or altered from any source
* distribution.
*
* gc_disc.cpp
*
***************************************************************************/
#include <stdio.h>
#include <ogcsys.h>
#include <sys/statvfs.h>
#include "mem2.hpp"
#include "gc_disc.hpp"
#include "DeviceHandler.hpp"
#include "disc.h"
#include "utils.h"
#include "wdvd.h"
#include "text.hpp"
#include "gecko.h"
#include "fileOps.h"
using namespace std;
static u8 *FSTable ALIGNED(32);
s32 GCDump::__DiscReadRaw(void *outbuf, u32 offset, u32 length)
{
while(1)
{
*(u32*)0xCD0000C0 |= 0x20;
gc_error = 0;
s32 ret = WDVD_UnencryptedRead(outbuf, length, offset);
if( ret != 0 )
{
WDVD_LowRequestError(&gc_error);
if(gc_error == 0x30200 || gc_error == 0x30201 || gc_error == 0x31100)
{
if(gc_retry >= gc_nbrretry)
{
if(!skiponerror)
{
*(u32*)0xCD0000C0 &= ~0x20;
return gc_error;
}
else
{
gc_retry = 0;
gc_skipped++;
gprintf("Read error (%x) at offset: 0x%08x. Skipping %d bytes\n", gc_error, offset, length);
*(u32*)0xCD0000C0 &= ~0x20;
return 1;
}
}
gc_retry++;
}
else
{
gprintf("Read error(%x) at offset: 0x%08x.\n", gc_error, offset);
*(u32*)0xCD0000C0 &= ~0x20;
return 0;
}
}
else
{
*(u32*)0xCD0000C0 &= ~0x20;
gc_retry = 0;
return ret;
}
}
return -1;
}
s32 GCDump::__DiscWrite(char * path, u32 offset, u32 length, u8 *ReadBuffer, progress_callback_t spinner, void *spinner_data)
{
gprintf("__DiscWrite(%s, 0x%08x, %x)\n", path, offset, length);
u32 toread = 0;
u32 wrote = 0;
FILE *f = fopen(path, "wb");
while(length)
{
toread = min(length,gc_readsize);
s32 ret = __DiscReadRaw(ReadBuffer, offset, (toread+31)&(~31));
if( ret == 1 )
memset(ReadBuffer, 0, gc_readsize);
else if( ret > 1 )
return 0;
fwrite(ReadBuffer, 1, toread, f);
wrote += toread;
offset += toread;
length -= toread;
if(spinner)
spinner(wrote, DiscSize, spinner_data);
}
SAFE_CLOSE(f);
return wrote;
}
s32 GCDump::__DiscWriteAligned(FILE *f, u32 offset, u32 length, u8 *ReadBuffer)
{
u32 toread = 0;
u32 wrote = 0;
while(length)
{
toread = min(length,gc_readsize);
s32 ret = __DiscReadRaw(ReadBuffer, offset, (toread+31)&(~31));
if (ret == 1)
memset(ReadBuffer, 0, gc_readsize);
else if (ret > 1)
return 0;
fwrite(ReadBuffer, 1, toread, f);
wrote += toread;
offset += toread;
length -= toread;
}
return wrote;
}
s32 GCDump::DumpGame(progress_callback_t spinner, void *spinner_data)
{
static gc_discHdr gcheader ATTRIBUTE_ALIGN(32);
u8 *ReadBuffer = (u8 *)MEM2_alloc(0x40);
u8 *FSTBuffer;
u32 wrote = 0;
u32 ApploaderSize = 0;
u32 DOLOffset = 0;
u32 DOLSize = 0;
u32 FSTOffset = 0;
u32 FSTSize = 0;
u32 FSTEnt = 0;
u32 GamePartOffset = 0;
u32 DataSize = 0;
char *FSTNameOff = (char *)NULL;
char folder[MAX_FAT_PATH];
bzero(folder, MAX_FAT_PATH);
char gamepath[MAX_FAT_PATH];
bzero(gamepath, MAX_FAT_PATH);
s32 ret = Disc_ReadGCHeader(&gcheader);
Asciify2(gcheader.title);
snprintf(folder, sizeof(folder), "%s:/games/", gamepartition);
if(!fsop_DirExist(folder))
fsop_MakeFolder(folder);
snprintf(folder, sizeof(folder), "%s:/games/%s [%s]", gamepartition, gcheader.title, (char *)gcheader.id);
if(!fsop_DirExist(folder))
fsop_MakeFolder(folder);
ret = __DiscReadRaw(ReadBuffer, 0x400, 0x40);
if(ret > 0)
{
MEM2_free(ReadBuffer);
return 0x31100;
}
ApploaderSize = *(vu32*)(ReadBuffer);
DOLOffset = *(vu32*)(ReadBuffer+0x20);
FSTOffset = *(vu32*)(ReadBuffer+0x24);
FSTSize = *(vu32*)(ReadBuffer+0x28);
GamePartOffset = *(vu32*)(ReadBuffer+0x34);
DataSize = *(vu32*)(ReadBuffer+0x38);
DOLSize = FSTOffset - DOLOffset;
DiscSize = DataSize + GamePartOffset;
FSTBuffer = (u8 *)MEM2_alloc((FSTSize+31)&(~31));
ret = __DiscReadRaw(FSTBuffer, FSTOffset, (FSTSize+31)&(~31));
if(ret > 0)
{
MEM2_free(FSTBuffer);
MEM2_free(ReadBuffer);
return 0x31100;
}
FSTable = (u8*)FSTBuffer;
MEM2_free(ReadBuffer);
ReadBuffer = (u8 *)MEM2_alloc(gc_readsize);
FSTEnt = *(u32*)(FSTable+0x08);
FSTNameOff = (char*)(FSTable + FSTEnt * 0x0C);
FST *fst = (FST *)(FSTable);
gprintf("Dumping: %s %s\n", gcheader.title, compressed ? "compressed" : "full");
gprintf("Apploader size : %d\n", ApploaderSize);
gprintf("DOL offset : 0x%08x\n", DOLOffset);
gprintf("DOL size : %d\n", DOLSize);
gprintf("FST offset : 0x%08x\n", FSTOffset);
gprintf("FST size : %d\n", FSTSize);
gprintf("Num FST entries: %d\n", FSTEnt);
gprintf("Data Offset : 0x%08x\n", FSTOffset+FSTSize);
gprintf("Disc size : %d\n", DiscSize);
if(writeexfiles)
{
snprintf(folder, sizeof(folder), "%s:/games/%s [%s]/sys", gamepartition, gcheader.title, (char *)gcheader.id);
if(!fsop_DirExist(folder))
fsop_MakeFolder(folder);
gprintf("Writing %s/boot.bin\n", folder);
snprintf(gamepath, sizeof(gamepath), "%s/boot.bin", folder);
__DiscWrite(gamepath, 0, 0x440, ReadBuffer, spinner, spinner_data);
gprintf("Writing %s/bi2.bin\n", folder);
snprintf(gamepath, sizeof(gamepath), "%s/bi2.bin", folder);
__DiscWrite(gamepath, 0x440, 0x2000, ReadBuffer, spinner, spinner_data);
gprintf("Writing %s/apploader.img\n", folder);
snprintf(gamepath, sizeof(gamepath), "%s/apploader.img", folder);
__DiscWrite(gamepath, 0x2440, ApploaderSize, ReadBuffer, spinner, spinner_data);
}
snprintf(gamepath, sizeof(gamepath), "%s:/games/%s [%s]/game.iso", gamepartition, gcheader.title, (char *)gcheader.id);
gprintf("Writing %s\n", gamepath);
if(compressed)
{
u32 align;
u32 correction;
FILE *f;
f = fopen(gamepath, "wb");
ret = __DiscWriteAligned(f, 0, (FSTOffset + FSTSize), ReadBuffer);
wrote += (FSTOffset + FSTSize);
u32 i;
for( i=1; i < FSTEnt; ++i )
{
if( fst[i].Type )
{
continue;
}
else
{
for(align = 0x8000; align > 2; align/=2)
{
if((fst[i].FileOffset & (align-1)) == 0 || force_32k_align)
{
correction = 0x00;
while(((wrote+correction) & (align-1)) != 0)
correction++;
wrote += correction;
fseek(f,correction,SEEK_END);
break;
}
}
ret = __DiscWriteAligned(f, fst[i].FileOffset, fst[i].FileLength, ReadBuffer);
gprintf("Writing: %d/%d: %s from 0x%08x to 0x%08x(%i)\n", i, FSTEnt, FSTNameOff + fst[i].NameOffset, fst[i].FileOffset, wrote, align);
if( ret >= 0 )
{
fst[i].FileOffset = wrote;
wrote += ret;
spinner(i, FSTEnt, spinner_data);
}
else
{
spinner(FSTEnt, FSTEnt, spinner_data);
MEM2_free(ReadBuffer);
SAFE_CLOSE(f);
return gc_error;
}
}
}
gprintf("Updating FST\n");
fseek(f, FSTOffset, SEEK_SET);
fwrite(fst, 1, FSTSize, f);
SAFE_CLOSE(f);
gprintf("Done!! Disc old size: %d, disc new size: %d, saved: %d\n", DiscSize, wrote, DiscSize - wrote);
}
else
{
ret = __DiscWrite(gamepath, 0, DiscSize, ReadBuffer, spinner, spinner_data);
if( ret < 0 )
{
MEM2_free(ReadBuffer);
return gc_error;
}
gprintf("Done!! Disc size: %d\n", DiscSize);
}
MEM2_free(ReadBuffer);
MEM2_free(FSTBuffer);
return gc_skipped;
}
s32 GCDump::CheckSpace(u32 *needed, bool comp)
{
u8 *ReadBuffer = (u8 *)MEM2_alloc(0x40);
s32 ret = __DiscReadRaw(ReadBuffer, 0x400, 0x40);
if(ret > 0)
return 1;
u32 ApploaderSize = *(vu32*)(ReadBuffer);
u32 FSTOffset = *(vu32*)(ReadBuffer+0x24);
u32 FSTSize = *(vu32*)(ReadBuffer+0x28);
u32 GamePartOffset = *(vu32*)(ReadBuffer+0x34);
u32 DataSize = *(vu32*)(ReadBuffer+0x38);
u32 DiscSize = DataSize + GamePartOffset;
MEM2_free(ReadBuffer);
u32 size = 0;
if(writeexfiles)
{
size += 0xa440;
size += ApploaderSize;
}
if(!comp)
{
size += DiscSize;
}
else
{
u8 *FSTBuffer = (u8 *)MEM2_alloc((FSTSize+31)&(~31));
ret = __DiscReadRaw(FSTBuffer, FSTOffset, (FSTSize+31)&(~31));
if(ret > 0)
{
MEM2_free(FSTBuffer);
return 1;
}
FSTable = (u8*)FSTBuffer;
u32 FSTEnt = *(u32*)(FSTable+0x08);
FST *fst = (FST *)(FSTable);
u32 i;
for( i=1; i < FSTEnt; ++i )
{
if( fst[i].Type )
{
continue;
}
else
{
size += (fst[i].FileLength+31)&(~31);
}
}
MEM2_free(FSTBuffer);
}
*needed = size/0x8000;
gprintf("Free space needed: %d bytes (%x blocks)\n", size, size/0x8000);
return 0;
}