usbloadergx/source/patches/gamepatches.c

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#include <ogc/machine/processor.h>
#include <gccore.h>
#include <malloc.h>
#include <string.h>
#include "usbloader/disc.h"
#include "dolpatcher.h"
#include "wip.h"
#include "gecko.h"
#include "patchcode.h"
#include "gamepatches.h"
#include "memory/memory.h"
#include "memory/mem2.h"
#include "settings/SettingsEnums.h"
typedef struct _appDOL
{
u8 *dst;
int len;
} appDOL;
static appDOL *dolList = NULL;
static int dolCount = 0;
void RegisterDOL(u8 *dst, int len)
{
if(!dolList)
dolList = (appDOL *) MEM2_alloc(sizeof(appDOL));
appDOL *tmp = (appDOL *) MEM2_realloc(dolList, (dolCount+1)*sizeof(appDOL));
if(!tmp)
{
MEM2_free(dolList);
dolCount = 0;
return;
}
dolList = tmp;
dolList[dolCount].dst = dst;
dolList[dolCount].len = len;
dolCount++;
}
void ClearDOLList()
{
if(dolList)
MEM2_free(dolList);
dolList = NULL;
dolCount = 0;
}
void gamepatches(u8 videoSelected, u8 aspectForce, u8 languageChoice, u8 patchcountrystring,
u8 vipatch, u8 sneekVideoPatch, u8 hooktype, u8 fix002, u64 returnTo)
{
int i;
/* If a wip file is loaded for this game this does nothing - Dimok */
PoPPatch();
NSMBPatch();
for(i = 0; i < dolCount; ++i)
{
u8 *dst = dolList[i].dst;
int len = dolList[i].len;
VideoModePatcher(dst, len, videoSelected);
dogamehooks(hooktype, dst, len);
if (vipatch)
vidolpatcher(dst, len);
if(sneekVideoPatch)
sneek_video_patch(dst, len);
/*LANGUAGE PATCH - FISHEARS*/
langpatcher(dst, len, languageChoice);
/*Thanks to WiiPower*/
if (patchcountrystring == 1)
PatchCountryStrings(dst, len);
do_wip_code(dst, len);
if (fix002 == 2)
Anti_002_fix(dst, len);
if(returnTo)
PatchReturnTo(dst, len, (u32) returnTo);
if(aspectForce < 2)
PatchAspectRatio(dst, len, aspectForce);
DCFlushRange(dst, len);
}
/* ERROR 002 fix (thanks to WiiPower for sharing this)*/
if (fix002 != 0)
*(u32 *)0x80003140 = *(u32 *)0x80003188;
DCFlushRange((void*) 0x80000000, 0x3f00);
free_wip();
ClearDOLList();
}
/** Anti 002 fix for IOS 249 rev > 12 thanks to WiiPower **/
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bool Anti_002_fix(u8 * Address, int Size)
{
u8 SearchPattern[12] = { 0x2C, 0x00, 0x00, 0x00, 0x48, 0x00, 0x02, 0x14, 0x3C, 0x60, 0x80, 0x00 };
u8 PatchData[12] = { 0x2C, 0x00, 0x00, 0x00, 0x40, 0x82, 0x02, 0x14, 0x3C, 0x60, 0x80, 0x00 };
return PatchDOL(Address, Size, (const u8 *) SearchPattern, sizeof(SearchPattern), (const u8 *) PatchData, sizeof(PatchData));
}
bool NSMBPatch()
{
WIP_Code * CodeList = NULL;
if (memcmp("SMNE01", (char *) 0x80000000, 6) == 0)
{
CodeList = MEM2_alloc(3 * sizeof(WIP_Code));
if(!CodeList)
return false;
CodeList[0].offset = 0x001AB610;
CodeList[0].srcaddress = 0x9421FFD0;
CodeList[0].dstaddress = 0x4E800020;
CodeList[1].offset = 0x001CED53;
CodeList[1].srcaddress = 0xDA000000;
CodeList[1].dstaddress = 0x71000000;
CodeList[2].offset = 0x001CED6B;
CodeList[2].srcaddress = 0xDA000000;
CodeList[2].dstaddress = 0x71000000;
}
else if (memcmp("SMNP01", (char *) 0x80000000, 6) == 0)
{
CodeList = MEM2_alloc(3 * sizeof(WIP_Code));
if(!CodeList)
return false;
CodeList[0].offset = 0x001AB750;
CodeList[0].srcaddress = 0x9421FFD0;
CodeList[0].dstaddress = 0x4E800020;
CodeList[1].offset = 0x001CEE90;
CodeList[1].srcaddress = 0x38A000DA;
CodeList[1].dstaddress = 0x38A00071;
CodeList[2].offset = 0x001CEEA8;
CodeList[2].srcaddress = 0x388000DA;
CodeList[2].dstaddress = 0x38800071;
}
else if (memcmp("SMNJ01", (char *) 0x80000000, 6) == 0)
{
CodeList = MEM2_alloc(3 * sizeof(WIP_Code));
if(!CodeList)
return false;
CodeList[0].offset = 0x001AB420;
CodeList[0].srcaddress = 0x9421FFD0;
CodeList[0].dstaddress = 0x4E800020;
CodeList[1].offset = 0x001CEB63;
CodeList[1].srcaddress = 0xDA000000;
CodeList[1].dstaddress = 0x71000000;
CodeList[2].offset = 0x001CEB7B;
CodeList[2].srcaddress = 0xDA000000;
CodeList[2].dstaddress = 0x71000000;
}
if (CodeList && set_wip_list(CodeList, 3) == false)
{
MEM2_free(CodeList);
CodeList = NULL;
return false;
}
return CodeList != NULL;
}
bool PoPPatch()
{
if (memcmp("SPX", (char *) 0x80000000, 3) != 0 && memcmp("RPW", (char *) 0x80000000, 3) != 0)
return false;
WIP_Code * CodeList = MEM2_alloc(5 * sizeof(WIP_Code));
CodeList[0].offset = 0x007AAC6A;
CodeList[0].srcaddress = 0x7A6B6F6A;
CodeList[0].dstaddress = 0x6F6A7A6B;
CodeList[1].offset = 0x007AAC75;
CodeList[1].srcaddress = 0x7C7A6939;
CodeList[1].dstaddress = 0x69397C7A;
CodeList[2].offset = 0x007AAC82;
CodeList[2].srcaddress = 0x7376686B;
CodeList[2].dstaddress = 0x686B7376;
CodeList[3].offset = 0x007AAC92;
CodeList[3].srcaddress = 0x80717570;
CodeList[3].dstaddress = 0x75708071;
CodeList[4].offset = 0x007AAC9D;
CodeList[4].srcaddress = 0x82806F3F;
CodeList[4].dstaddress = 0x6F3F8280;
if (set_wip_list(CodeList, 5) == false)
{
MEM2_free(CodeList);
CodeList = NULL;
return false;
}
return true;
}
/** Insert the individual gamepatches above with the patterns and patch data **/
/** Following is only the VideoPatcher **/
#if 0 /** Isn't used right now **/
static GXRModeObj* vmodes[] =
{
&TVNtsc240Ds,
&TVNtsc240DsAa,
&TVNtsc240Int,
&TVNtsc240IntAa,
&TVNtsc480IntDf,
&TVNtsc480IntAa,
&TVNtsc480Prog,
&TVMpal480IntDf,
&TVPal264Ds,
&TVPal264DsAa,
&TVPal264Int,
&TVPal264IntAa,
&TVPal524IntAa,
&TVPal528Int,
&TVPal528IntDf,
&TVPal574IntDfScale,
&TVEurgb60Hz240Ds,
&TVEurgb60Hz240DsAa,
&TVEurgb60Hz240Int,
&TVEurgb60Hz240IntAa,
&TVEurgb60Hz480Int,
&TVEurgb60Hz480IntDf,
&TVEurgb60Hz480IntAa,
&TVEurgb60Hz480Prog,
&TVEurgb60Hz480ProgSoft,
&TVEurgb60Hz480ProgAa
};
#endif
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static GXRModeObj* PAL2NTSC[] = { &TVMpal480IntDf, &TVNtsc480IntDf, &TVPal264Ds, &TVNtsc240Ds, &TVPal264DsAa,
&TVNtsc240DsAa, &TVPal264Int, &TVNtsc240Int, &TVPal264IntAa, &TVNtsc240IntAa, &TVPal524IntAa, &TVNtsc480IntAa,
&TVPal528Int, &TVNtsc480IntAa, &TVPal528IntDf, &TVNtsc480IntDf, &TVPal574IntDfScale, &TVNtsc480IntDf,
&TVEurgb60Hz240Ds, &TVNtsc240Ds, &TVEurgb60Hz240DsAa, &TVNtsc240DsAa, &TVEurgb60Hz240Int, &TVNtsc240Int,
&TVEurgb60Hz240IntAa, &TVNtsc240IntAa, &TVEurgb60Hz480Int, &TVNtsc480IntAa, &TVEurgb60Hz480IntDf,
&TVNtsc480IntDf, &TVEurgb60Hz480IntAa, &TVNtsc480IntAa, &TVEurgb60Hz480Prog, &TVNtsc480Prog,
&TVEurgb60Hz480ProgSoft, &TVNtsc480Prog, &TVEurgb60Hz480ProgAa, &TVNtsc480Prog, 0, 0
};
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static GXRModeObj* NTSC2PAL[] = { &TVNtsc240Ds, &TVPal264Ds, &TVNtsc240DsAa, &TVPal264DsAa, &TVNtsc240Int,
&TVPal264Int, &TVNtsc240IntAa, &TVPal264IntAa, &TVNtsc480IntDf, &TVPal528IntDf, &TVNtsc480IntAa,
&TVPal524IntAa, &TVNtsc480Prog, &TVPal528IntDf, 0, 0
};
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static GXRModeObj* NTSC2PAL60[] = { &TVNtsc240Ds, &TVEurgb60Hz240Ds, &TVNtsc240DsAa, &TVEurgb60Hz240DsAa,
&TVNtsc240Int, &TVEurgb60Hz240Int, &TVNtsc240IntAa, &TVEurgb60Hz240IntAa, &TVNtsc480IntDf,
&TVEurgb60Hz480IntDf, &TVNtsc480IntAa, &TVEurgb60Hz480IntAa, &TVNtsc480Prog, &TVEurgb60Hz480Prog, 0, 0
};
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static bool compare_videomodes(GXRModeObj* mode1, GXRModeObj* mode2)
{
if (mode1->viTVMode != mode2->viTVMode || mode1->fbWidth != mode2->fbWidth || mode1->efbHeight != mode2->efbHeight
|| mode1->xfbHeight != mode2->xfbHeight || mode1->viXOrigin != mode2->viXOrigin || mode1->viYOrigin
!= mode2->viYOrigin || mode1->viWidth != mode2->viWidth || mode1->viHeight != mode2->viHeight
|| mode1->xfbMode != mode2->xfbMode || mode1->field_rendering != mode2->field_rendering || mode1->aa
!= mode2->aa || mode1->sample_pattern[0][0] != mode2->sample_pattern[0][0] || mode1->sample_pattern[1][0]
!= mode2->sample_pattern[1][0] || mode1->sample_pattern[2][0] != mode2->sample_pattern[2][0]
|| mode1->sample_pattern[3][0] != mode2->sample_pattern[3][0] || mode1->sample_pattern[4][0]
!= mode2->sample_pattern[4][0] || mode1->sample_pattern[5][0] != mode2->sample_pattern[5][0]
|| mode1->sample_pattern[6][0] != mode2->sample_pattern[6][0] || mode1->sample_pattern[7][0]
!= mode2->sample_pattern[7][0] || mode1->sample_pattern[8][0] != mode2->sample_pattern[8][0]
|| mode1->sample_pattern[9][0] != mode2->sample_pattern[9][0] || mode1->sample_pattern[10][0]
!= mode2->sample_pattern[10][0] || mode1->sample_pattern[11][0] != mode2->sample_pattern[11][0]
|| mode1->sample_pattern[0][1] != mode2->sample_pattern[0][1] || mode1->sample_pattern[1][1]
!= mode2->sample_pattern[1][1] || mode1->sample_pattern[2][1] != mode2->sample_pattern[2][1]
|| mode1->sample_pattern[3][1] != mode2->sample_pattern[3][1] || mode1->sample_pattern[4][1]
!= mode2->sample_pattern[4][1] || mode1->sample_pattern[5][1] != mode2->sample_pattern[5][1]
|| mode1->sample_pattern[6][1] != mode2->sample_pattern[6][1] || mode1->sample_pattern[7][1]
!= mode2->sample_pattern[7][1] || mode1->sample_pattern[8][1] != mode2->sample_pattern[8][1]
|| mode1->sample_pattern[9][1] != mode2->sample_pattern[9][1] || mode1->sample_pattern[10][1]
!= mode2->sample_pattern[10][1] || mode1->sample_pattern[11][1] != mode2->sample_pattern[11][1]
|| mode1->vfilter[0] != mode2->vfilter[0] || mode1->vfilter[1] != mode2->vfilter[1] || mode1->vfilter[2]
!= mode2->vfilter[2] || mode1->vfilter[3] != mode2->vfilter[3] || mode1->vfilter[4] != mode2->vfilter[4]
|| mode1->vfilter[5] != mode2->vfilter[5] || mode1->vfilter[6] != mode2->vfilter[6])
{
return false;
}
else
{
return true;
}
}
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static void patch_videomode(GXRModeObj* mode1, GXRModeObj* mode2)
{
mode1->viTVMode = mode2->viTVMode;
mode1->fbWidth = mode2->fbWidth;
mode1->efbHeight = mode2->efbHeight;
mode1->xfbHeight = mode2->xfbHeight;
mode1->viXOrigin = mode2->viXOrigin;
mode1->viYOrigin = mode2->viYOrigin;
mode1->viWidth = mode2->viWidth;
mode1->viHeight = mode2->viHeight;
mode1->xfbMode = mode2->xfbMode;
mode1->field_rendering = mode2->field_rendering;
mode1->aa = mode2->aa;
mode1->sample_pattern[0][0] = mode2->sample_pattern[0][0];
mode1->sample_pattern[1][0] = mode2->sample_pattern[1][0];
mode1->sample_pattern[2][0] = mode2->sample_pattern[2][0];
mode1->sample_pattern[3][0] = mode2->sample_pattern[3][0];
mode1->sample_pattern[4][0] = mode2->sample_pattern[4][0];
mode1->sample_pattern[5][0] = mode2->sample_pattern[5][0];
mode1->sample_pattern[6][0] = mode2->sample_pattern[6][0];
mode1->sample_pattern[7][0] = mode2->sample_pattern[7][0];
mode1->sample_pattern[8][0] = mode2->sample_pattern[8][0];
mode1->sample_pattern[9][0] = mode2->sample_pattern[9][0];
mode1->sample_pattern[10][0] = mode2->sample_pattern[10][0];
mode1->sample_pattern[11][0] = mode2->sample_pattern[11][0];
mode1->sample_pattern[0][1] = mode2->sample_pattern[0][1];
mode1->sample_pattern[1][1] = mode2->sample_pattern[1][1];
mode1->sample_pattern[2][1] = mode2->sample_pattern[2][1];
mode1->sample_pattern[3][1] = mode2->sample_pattern[3][1];
mode1->sample_pattern[4][1] = mode2->sample_pattern[4][1];
mode1->sample_pattern[5][1] = mode2->sample_pattern[5][1];
mode1->sample_pattern[6][1] = mode2->sample_pattern[6][1];
mode1->sample_pattern[7][1] = mode2->sample_pattern[7][1];
mode1->sample_pattern[8][1] = mode2->sample_pattern[8][1];
mode1->sample_pattern[9][1] = mode2->sample_pattern[9][1];
mode1->sample_pattern[10][1] = mode2->sample_pattern[10][1];
mode1->sample_pattern[11][1] = mode2->sample_pattern[11][1];
mode1->vfilter[0] = mode2->vfilter[0];
mode1->vfilter[1] = mode2->vfilter[1];
mode1->vfilter[2] = mode2->vfilter[2];
mode1->vfilter[3] = mode2->vfilter[3];
mode1->vfilter[4] = mode2->vfilter[4];
mode1->vfilter[5] = mode2->vfilter[5];
mode1->vfilter[6] = mode2->vfilter[6];
}
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static bool Search_and_patch_Video_Modes(u8 * Address, u32 Size, GXRModeObj* Table[])
{
u8 *Addr = (u8 *) Address;
bool found = 0;
u32 i;
while (Size >= sizeof(GXRModeObj))
{
for (i = 0; Table[i]; i += 2)
{
if (compare_videomodes(Table[i], (GXRModeObj*) Addr))
{
found = 1;
patch_videomode((GXRModeObj*) Addr, Table[i + 1]);
Addr += (sizeof(GXRModeObj) - 4);
Size -= (sizeof(GXRModeObj) - 4);
break;
}
}
Addr += 4;
Size -= 4;
}
return found;
}
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void VideoModePatcher(u8 * dst, int len, u8 videoSelected)
{
GXRModeObj** table = NULL;
if (videoSelected == VIDEO_MODE_PATCH) // patch enum'd in cfg.h
{
switch (CONF_GetVideo())
{
case CONF_VIDEO_PAL:
if (CONF_GetEuRGB60() > 0)
{
table = NTSC2PAL60;
}
else
{
table = NTSC2PAL;
}
break;
case CONF_VIDEO_MPAL:
table = NTSC2PAL;
break;
default:
table = PAL2NTSC;
break;
}
Search_and_patch_Video_Modes(dst, len, table);
}
}
void sneek_video_patch(void *addr, u32 len)
{
u8 *addr_start = addr;
u8 *addr_end = addr+len;
while(addr_start < addr_end)
{
if(*(vu32*)(addr_start) == 0x3C608000)
{
if( ((*(vu32*)(addr_start+4) & 0xFC1FFFFF ) == 0x800300CC) && ((*(vu32*)(addr_start+8) >> 24) == 0x54 ) )
{
*(vu32*)(addr_start+4) = 0x5400F0BE | ((*(vu32*)(addr_start+4) & 0x3E00000) >> 5);
}
}
addr_start += 4;
}
}
//giantpune's magic super patch to return to channels
static u32 ad[ 4 ] = { 0, 0, 0, 0 };//these variables are global on the off chance the different parts needed
static u8 found = 0; //to find in the dol are found in different sections of the dol
static u8 returnToPatched = 0;
bool PatchReturnTo( void *Address, int Size, u32 id )
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{
if( !id || returnToPatched )
return 0;
//gprintf("PatchReturnTo( %p, %08x, %08x )\n", Address, Size, id );
//new __OSLoadMenu() (SM2.0 and higher)
u8 SearchPattern[ 12 ] = { 0x38, 0x80, 0x00, 0x02, 0x38, 0x60, 0x00, 0x01, 0x38, 0xa0, 0x00, 0x00 }; //li r4,2
//li r3,1
//li r5,0
//old _OSLoadMenu() (used in launch games)
u8 SearchPatternB[ 12 ] = { 0x38, 0xC0, 0x00, 0x02, 0x38, 0xA0, 0x00, 0x01, 0x38, 0xE0, 0x00, 0x00 }; //li r6,2
//li r5,1
//li r7,0
//identifier for the safe place
u8 SearchPattern2[ 12 ] = { 0x4D, 0x65, 0x74, 0x72, 0x6F, 0x77, 0x65, 0x72, 0x6B, 0x73, 0x20, 0x54 }; //"Metrowerks T"
u8 oldSDK = 0;
found = 0;
void *Addr = Address;
void *Addr_end = Address+Size;
while (Addr <= Addr_end - 12 )
{
//find a safe place or the patch to hang out
if ( ! ad[ 3 ] && memcmp( Addr, SearchPattern2, 12 ) == 0 )
{
ad[ 3 ] = (u32)Addr + 0x30;
}
//find __OSLaunchMenu() and remember some addresses in it
else if ( memcmp( Addr, SearchPattern, 12 )==0 )
{
ad[ found++ ] = (u32)Addr;
}
else if ( ad[ 0 ] && memcmp( Addr, SearchPattern, 8 )==0 ) //after the first match is found, only search the first 8 bytes for the other 2
{
if( !ad[ 1 ] ) ad[ found++ ] = (u32)Addr;
else if( !ad[ 2 ] ) ad[ found++ ] = (u32)Addr;
if( found >= 3 )break;
}
Addr += 4;
}
//check for the older-ass version of the SDK
if( found < 3 && ad[ 3 ] )
{
Addr = Address;
ad[ 0 ] = 0;
ad[ 1 ] = 0;
ad[ 2 ] = 0;
found = 0;
oldSDK = 1;
while (Addr <= Addr_end - 12 )
{
//find __OSLaunchMenu() and remember some addresses in it
if ( memcmp( Addr, SearchPatternB, 12 )==0 )
{
ad[ found++ ] = (u32)Addr;
}
else if ( ad[ 0 ] && memcmp( Addr, SearchPatternB, 8 ) == 0 ) //after the first match is found, only search the first 8 bytes for the other 2
{
if( !ad[ 1 ] ) ad[ found++ ] = (u32)Addr;
else if( !ad[ 2 ] ) ad[ found++ ] = (u32)Addr;
if( found >= 3 )break;
}
Addr += 4;
}
}
//if the function is found
if( found == 3 && ad[ 3 ] )
{
//gprintf("patch __OSLaunchMenu( 0x00010001, 0x%08x )\n", id);
u32 nop = 0x60000000;
//the magic that writes the TID to the registers
u8 jump[ 20 ] = { 0x3C, 0x60, 0x00, 0x01, //lis r3,1
0x60, 0x63, 0x00, 0x01, //ori r3,r3,1
0x3C, 0x80, (u8)( id >> 24 ), (u8)( id >> 16 ), //lis r4,(u16)(tid >> 16)
0x60, 0x84, (u8)( id >> 8 ), (u8)id, //ori r4,r4,(u16)(tid)
0x4E, 0x80, 0x00, 0x20
}; //blr
if( oldSDK )
{
jump[ 1 ] = 0xA0; //3CA00001 //lis r5,1
jump[ 5 ] = 0xA5; //60A50001 //ori r5,r5,1
jump[ 9 ] = 0xC0; //3CC0AF1B //lis r6,(u16)(tid >> 16)
jump[ 13 ] = 0xC6;//60C6F516 //ori r6,r6,(u16)(tid)
}
void* addr = (u32*)ad[ 3 ];
//write new stuff to in a unused part of the main.dol
memcpy( addr, jump, sizeof( jump ) );
//ES_GetTicketViews()
u32 newval = ( ad[ 3 ] - ad[ 0 ] );
newval &= 0x03FFFFFC;
newval |= 0x48000001;
addr = (u32*)ad[ 0 ];
memcpy( addr, &newval, sizeof( u32 ) ); //bl ad[ 3 ]
memcpy( addr + 4, &nop, sizeof( u32 ) ); //nop
//gprintf("\t%08x -> %08x\n", addr, newval );
//ES_GetTicketViews() again
newval = ( ad[ 3 ] - ad[ 1 ] );
newval &= 0x03FFFFFC;
newval |= 0x48000001;
addr = (u32*)ad[ 1 ];
memcpy( addr, &newval, sizeof( u32 ) ); //bl ad[ 3 ]
memcpy( addr + 4, &nop, sizeof( u32 ) ); //nop
//gprintf("\t%08x -> %08x\n", addr, newval );
//ES_LaunchTitle()
newval = ( ad[ 3 ] - ad[ 2 ] );
newval &= 0x03FFFFFC;
newval |= 0x48000001;
addr = (u32*)ad[ 2 ];
memcpy( addr, &newval, sizeof( u32 ) ); //bl ad[ 3 ]
memcpy( addr + 4, &nop, sizeof( u32 ) ); //nop
//gprintf("\t%08x -> %08x\n", addr, newval );
returnToPatched = 1;
}
if(returnToPatched)
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gprintf("Return to %08X patched with old method.\n", (u32) id);
return returnToPatched;
}
int PatchNewReturnTo(int es_fd, u64 title)
{
if(es_fd < 0 || title == 0)
return -1;
//! this is here for test purpose only and needs be moved later
static u64 sm_title_id ATTRIBUTE_ALIGN(32);
ioctlv *vector = (ioctlv *) memalign(32, sizeof(ioctlv));
if(!vector)
return -1;
sm_title_id = title;
vector[0].data = &sm_title_id;
vector[0].len = sizeof(sm_title_id);
int result = -1;
if(es_fd >= 0)
result = IOS_Ioctlv(es_fd, 0xA1, 1, 0, vector);
if(result >= 0)
gprintf("Return to %08X patched with d2x method.\n", (u32) title);
free(vector);
return result;
}
int BlockIOSReload(int es_fd, u8 gameIOS)
{
if(es_fd < 0)
return -1;
static int mode ATTRIBUTE_ALIGN(32);
static int ios ATTRIBUTE_ALIGN(32);
ioctlv *vector = (ioctlv *) memalign(32, sizeof(ioctlv) * 2);
if(!vector)
return -1;
int inlen = 2;
mode = 2;
ios = gameIOS; // ios to be reloaded in place of the requested one
vector[0].data = &mode;
vector[0].len = 4;
vector[1].data = &ios;
vector[1].len = 4;
int result = -1;
if(es_fd >= 0)
result = IOS_Ioctlv(es_fd, 0xA0, inlen, 0, vector);
if(result >= 0)
gprintf("Block IOS Reload patched with d2x method to IOS%i; result: %i\n", gameIOS, result);
free(vector);
return result;
}
void PatchAspectRatio(void *addr, u32 len, u8 aspect)
{
if(aspect > 1)
return;
static const u32 aspect_searchpattern1[5] = {
0x9421FFF0, 0x7C0802A6, 0x38800001, 0x90010014, 0x38610008
};
static const u32 aspect_searchpattern2[15] = {
0x2C030000, 0x40820010, 0x38000000, 0x98010008, 0x48000018,
0x88010008, 0x28000001, 0x4182000C, 0x38000000, 0x98010008,
0x80010014, 0x88610008, 0x7C0803A6, 0x38210010, 0x4E800020
};
u8 *addr_start = (u8 *) addr;
u8 *addr_end = addr_start + len - sizeof(aspect_searchpattern1) - 4 - sizeof(aspect_searchpattern2);
while(addr_start < addr_end)
{
if( (memcmp(addr_start, aspect_searchpattern1, sizeof(aspect_searchpattern1)) == 0)
&& (memcmp(addr_start + 4 + sizeof(aspect_searchpattern1), aspect_searchpattern2, sizeof(aspect_searchpattern2)) == 0))
{
*((u32 *)(addr_start+0x44)) = (0x38600000 | aspect);
gprintf("Aspect ratio patched to: %s\n", aspect ? "16:9" : "4:3");
break;
}
addr_start += 4;
}
}