/* * Copyright (C) 2008 Nuke (wiinuke@gmail.com) * * this file is part of GeckoOS for USB Gecko * http://www.usbgecko.com * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include #include #include #include #include #include "usbloader/apploader.h" #include "patchcode.h" #include "../gecko.h" //#include "sd.h" //#include "fwrite_patch.h" //#include "fwrite_patch_slota.h" //#include "main.h" extern void patchhook(u32 address, u32 len); extern void patchhook2(u32 address, u32 len); extern void patchhook3(u32 address, u32 len); extern void multidolpatchone(u32 address, u32 len); extern void multidolpatchtwo(u32 address, u32 len); extern void regionfreejap(u32 address, u32 len); extern void regionfreeusa(u32 address, u32 len); extern void regionfreepal(u32 address, u32 len); extern void removehealthcheck(u32 address, u32 len); extern void copyflagcheck1(u32 address, u32 len); extern void copyflagcheck2(u32 address, u32 len); extern void copyflagcheck3(u32 address, u32 len); extern void copyflagcheck4(u32 address, u32 len); extern void copyflagcheck5(u32 address, u32 len); extern void patchupdatecheck(u32 address, u32 len); extern void movedvdhooks(u32 address, u32 len); extern void multidolhook(u32 address); extern void langvipatch(u32 address, u32 len, u8 langbyte); extern void vipatch(u32 address, u32 len); static const u32 multidolpatch1[2] = { 0x3C03FFB4,0x28004F43 }; static const u32 healthcheckhook[2] = { 0x41810010,0x881D007D }; static const u32 updatecheckhook[3] = { 0x80650050,0x80850054,0xA0A50058 }; static const u32 multidolpatch2[2] = { 0x3F608000, 0x807B0018 }; static const u32 recoveryhooks[3] = { 0xA00100AC,0x5400073E,0x2C00000F }; static const u32 nocopyflag1[3] = { 0x540007FF, 0x4182001C, 0x80630068 }; static const u32 nocopyflag2[3] = { 0x540007FF, 0x41820024, 0x387E12E2 }; // this one is for the GH3 and VC saves //static const u32 nocopyflag3[5] = { // 0x2C030000, 0x40820010, 0x88010020, 0x28000002, 0x41820234 //}; static const u32 nocopyflag3[5] = { 0x2C030000, 0x41820200,0x48000058,0x38610100 }; // this removes the display warning for no copy VC and GH3 saves static const u32 nocopyflag4[4] = { 0x80010008, 0x2C000000, 0x4182000C, 0x3BE00001 }; static const u32 nocopyflag5[3] = { 0x801D0024,0x540007FF,0x41820024 }; static const u32 movedvdpatch[3] = { 0x2C040000, 0x41820120, 0x3C608109 }; static const u32 regionfreehooks[5] = { 0x7C600774, 0x2C000001, 0x41820030,0x40800010,0x2C000000 }; static const u32 cIOScode[16] = { 0x7f06c378, 0x7f25cb78, 0x387e02c0, 0x4cc63182 }; static const u32 cIOSblock[16] = { 0x2C1800F9, 0x40820008, 0x3B000024 }; static const u32 fwritepatch[8] = { 0x9421FFD0,0x7C0802A6,0x90010034,0xBF210014,0x7C9B2378,0x7CDC3378,0x7C7A1B78,0x7CB92B78 // bushing fwrite }; static const u32 vipatchcode[3] = { 0x4182000C,0x4180001C,0x48000018 }; const u32 viwiihooks[4] = { 0x7CE33B78,0x38870034,0x38A70038,0x38C7004C }; const u32 kpadhooks[4] = { 0x9A3F005E,0x38AE0080,0x389FFFFC,0x7E0903A6 }; const u32 kpadoldhooks[6] = { 0x801D0060, 0x901E0060, 0x801D0064, 0x901E0064, 0x801D0068, 0x901E0068 }; const u32 joypadhooks[4] = { 0x3AB50001, 0x3A73000C, 0x2C150004, 0x3B18000C }; const u32 gxdrawhooks[4] = { 0x3CA0CC01, 0x38000061, 0x3C804500, 0x98058000 }; const u32 gxflushhooks[4] = { 0x90010014, 0x800305FC, 0x2C000000, 0x41820008 }; const u32 ossleepthreadhooks[4] = { 0x90A402E0, 0x806502E4, 0x908502E4, 0x2C030000 }; const u32 axnextframehooks[4] = { 0x3800000E, 0x7FE3FB78, 0xB0050000, 0x38800080 }; const u32 wpadbuttonsdownhooks[4] = { 0x7D6B4A14, 0x816B0010, 0x7D635B78, 0x4E800020 }; const u32 wpadbuttonsdown2hooks[4] = { 0x7D6B4A14, 0x800B0010, 0x7C030378, 0x4E800020 }; const u32 multidolhooks[4] = { 0x7C0004AC, 0x4C00012C, 0x7FE903A6, 0x4E800420 }; const u32 multidolchanhooks[4] = { 0x4200FFF4, 0x48000004, 0x38800000, 0x4E800020 }; const u32 langpatch[3] = { 0x7C600775, 0x40820010, 0x38000000 }; static const u32 oldpatch002[3] = { 0x2C000000, 0x40820214, 0x3C608000 }; static const u32 newpatch002[3] = { 0x2C000000, 0x48000214, 0x3C608000 }; //--------------------------------------------------------------------------------- bool dogamehooks(void *addr, u32 len) //--------------------------------------------------------------------------------- { //TODO for oggzee: when using Ocarina check if a hook as patched hooktype = 1; // TODO for oggzee: Create an option for hooktype /* 0 No Hook 1 VBI 2 KPAD read 3 Joypad Hook 4 GXDraw Hook 5 GXFlush Hook 6 OSSleepThread Hook 7 AXNextFrame Hook */ void *addr_start = addr; void *addr_end = addr+len; bool hookpatched = false; while(addr_start < addr_end) { switch(hooktype) { case 0x00: hookpatched = true; break; case 0x01: if(memcmp(addr_start, viwiihooks, sizeof(viwiihooks))==0) { patchhook((u32)addr_start, len); hookpatched = true; } if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0) { multidolhook((u32)addr_start+sizeof(multidolhooks)-4); hookpatched = true; } break; case 0x02: if(memcmp(addr_start, kpadhooks, sizeof(kpadhooks))==0) { patchhook((u32)addr_start, len); hookpatched = true; } if(memcmp(addr_start, kpadoldhooks, sizeof(kpadoldhooks))==0) { patchhook((u32)addr_start, len); hookpatched = true; } if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0) { multidolhook((u32)addr_start+sizeof(multidolhooks)-4); hookpatched = true; } break; case 0x03: if(memcmp(addr_start, joypadhooks, sizeof(joypadhooks))==0) { patchhook((u32)addr_start, len); hookpatched = true; } if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0) { multidolhook((u32)addr_start+sizeof(multidolhooks)-4); hookpatched = true; } break; case 0x04: if(memcmp(addr_start, gxdrawhooks, sizeof(gxdrawhooks))==0) { patchhook((u32)addr_start, len); hookpatched = true; } if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0) { multidolhook((u32)addr_start+sizeof(multidolhooks)-4); hookpatched = true; } break; case 0x05: if(memcmp(addr_start, gxflushhooks, sizeof(gxflushhooks))==0) { patchhook((u32)addr_start, len); hookpatched = true; } if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0) { multidolhook((u32)addr_start+sizeof(multidolhooks)-4); hookpatched = true; } break; case 0x06: if(memcmp(addr_start, ossleepthreadhooks, sizeof(ossleepthreadhooks))==0) { patchhook((u32)addr_start, len); hookpatched = true; } if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0) { multidolhook((u32)addr_start+sizeof(multidolhooks)-4); hookpatched = true; } break; case 0x07: if(memcmp(addr_start, axnextframehooks, sizeof(axnextframehooks))==0) { patchhook((u32)addr_start, len); hookpatched = true; } if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0) { multidolhook((u32)addr_start+sizeof(multidolhooks)-4); hookpatched = true; } break; case 0x08: //if(memcmp(addr_start, customhook, customhooksize)==0) //{ // patchhook((u32)addr_start, len); // hookpatched = true; //} if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0) { multidolhook((u32)addr_start+sizeof(multidolhooks)-4); hookpatched = true; } break; } addr_start += 4; } return hookpatched; } // Not used yet, for patching DOL once loaded into memory and befor execution /* void patchdol(void *addr, u32 len) { void *addr_start = addr; void *addr_end = addr+len; while(addr_start < addr_end) { if(memcmp(addr_start, wpadlibogc, sizeof(wpadlibogc))==0) { // printf("\n\n\n"); // printf("found at address %x\n", addr_start); // sleep(10); // patchhookdol((u32)addr_start, len); patched = 1; break; } addr_start += 4; } } */ void langpatcher(void *addr, u32 len) { void *addr_start = addr; void *addr_end = addr+len; while(addr_start < addr_end) { if(memcmp(addr_start, langpatch, sizeof(langpatch))==0) { if(configbytes[0] != 0xCD){ langvipatch((u32)addr_start, len, configbytes[0]); } } addr_start += 4; } } /* void patchdebug(void *addr, u32 len) { void *addr_start = addr; void *addr_end = addr+len; while(addr_start < addr_end) { if(memcmp(addr_start, fwritepatch, sizeof(fwritepatch))==0) { memcpy(addr_start,fwrite_patch_bin,fwrite_patch_bin_len); // apply patch } addr_start += 4; } } */ void vidolpatcher(void *addr, u32 len) { void *addr_start = addr; void *addr_end = addr+len; while(addr_start < addr_end) { if(memcmp(addr_start, vipatchcode, sizeof(vipatchcode))==0) { vipatch((u32)addr_start, len); } addr_start += 4; } } //giantpune's magic super patch to return to channels bool PatchReturnTo(void *Address, int Size, u32 id) { if( !id )return 0; u8 SearchPattern[ 12 ] = { 0x38, 0x80, 0x00, 0x02, 0x38, 0x60, 0x00, 0x01, 0x38, 0xa0, 0x00, 0x00 }; u8 SearchPattern2[ 12 ] = { 0x4D, 0x65, 0x74, 0x72, 0x6F, 0x77, 0x65, 0x72, 0x6B, 0x73, 0x20, 0x54 }; int found = 0; int patched = 0; u32 ad[ 4 ] = { 0, 0, 0, 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; gprintf("found a safe place @ %08x\n", ad[ 3 ]); //hexdump( Addr, 0x50 ); } //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; } //if the function is found and if it is not too far into the main.dol if( found == 3 && ( ad[ 2 ] - ad[ 3 ] < 0x1000001 ) && 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, 0x60, 0x63, 0x00, 0x01, 0x3C, 0x80, 0x4A, 0x4F, 0x60, 0x84, 0x44, 0x49, 0x4E, 0x80, 0x00, 0x20 }; //patch the thing to use the new TID jump[ 10 ] = (u8)( id>>24 ); jump[ 11 ] = (u8)( id>>16 ); jump[ 14 ] = (u8)( id>>8 ); jump[ 15 ] = (u8)id; void* addr = (u32*)ad[ 3 ]; //write new stuff to memory main.dol 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 ) ); memcpy( addr + 4, &nop, sizeof( u32 ) ); gprintf("\t%p -> %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 ) ); memcpy( addr + 4, &nop, sizeof( u32 ) ); gprintf("\t%p -> %08x\n", addr, newval ); //ES_LaunchTitle() newval = ( ad[ 3 ] - ad[ 2 ] ); newval &= 0x03FFFFFC; newval |= 0x48000001; addr = (u32*)ad[ 2 ]; memcpy( addr, &newval, sizeof( u32 ) ); memcpy( addr + 4, &nop, sizeof( u32 ) ); gprintf("\t%p -> %08x\n", addr, newval ); patched = 1; } else { gprintf("not patched\n"); gprintf("found %d addresses\n", found); int i; for( i = 0; i< 4; i++) gprintf("ad[ %d ]: %08x\n", i, ad[ i ] ); gprintf("offset : %08x\n", ad[ 2 ] - ad[ 3 ] ); } return patched; }