usbloadergx/source/patches/patchcode.c

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/*
* 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <gccore.h>
#include <sys/unistd.h>
#include "usbloader/apploader.h"
#include "patchcode.h"
#include "settings/cfg.h"
#include "FileOperations/fileops.h"
#include "fst.h"
//#include "sd.h"
//#include "fwrite_patch.h"
//#include "fwrite_patch_slota.h"
//#include "main.h"
extern const char * CheatFilepath;
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extern void patchhook(u32 address, u32 len);
extern void patchhook2(u32 address, u32 len);
extern void patchhook3(u32 address, u32 len);
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extern void multidolpatchone(u32 address, u32 len);
extern void multidolpatchtwo(u32 address, u32 len);
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extern void regionfreejap(u32 address, u32 len);
extern void regionfreeusa(u32 address, u32 len);
extern void regionfreepal(u32 address, u32 len);
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extern void removehealthcheck(u32 address, u32 len);
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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);
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extern void patchupdatecheck(u32 address, u32 len);
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extern void movedvdhooks(u32 address, u32 len);
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extern void multidolhook(u32 address);
extern void langvipatch(u32 address, u32 len, u8 langbyte);
extern void vipatch(u32 address, u32 len);
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static const u32 multidolpatch1[2] = { 0x3C03FFB4, 0x28004F43 };
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static const u32 healthcheckhook[2] = { 0x41810010, 0x881D007D };
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static const u32 updatecheckhook[3] = { 0x80650050, 0x80850054, 0xA0A50058 };
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static const u32 multidolpatch2[2] = { 0x3F608000, 0x807B0018 };
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static const u32 recoveryhooks[3] = { 0xA00100AC, 0x5400073E, 0x2C00000F };
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static const u32 nocopyflag1[3] = { 0x540007FF, 0x4182001C, 0x80630068 };
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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
//};
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static const u32 nocopyflag3[5] = { 0x2C030000, 0x41820200, 0x48000058, 0x38610100 };
// this removes the display warning for no copy VC and GH3 saves
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static const u32 nocopyflag4[4] = { 0x80010008, 0x2C000000, 0x4182000C, 0x3BE00001 };
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static const u32 nocopyflag5[3] = { 0x801D0024, 0x540007FF, 0x41820024 };
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static const u32 movedvdpatch[3] = { 0x2C040000, 0x41820120, 0x3C608109 };
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static const u32 regionfreehooks[5] = { 0x7C600774, 0x2C000001, 0x41820030, 0x40800010, 0x2C000000 };
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static const u32 cIOScode[16] = { 0x7f06c378, 0x7f25cb78, 0x387e02c0, 0x4cc63182 };
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static const u32 cIOSblock[16] = { 0x2C1800F9, 0x40820008, 0x3B000024 };
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static const u32 fwritepatch[8] = { 0x9421FFD0, 0x7C0802A6, 0x90010034, 0xBF210014, 0x7C9B2378, 0x7CDC3378, 0x7C7A1B78,
0x7CB92B78 // bushing fwrite
};
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static const u32 vipatchcode[3] = { 0x4182000C, 0x4180001C, 0x48000018 };
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const u32 viwiihooks[4] = { 0x7CE33B78, 0x38870034, 0x38A70038, 0x38C7004C };
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const u32 kpadhooks[4] = { 0x9A3F005E, 0x38AE0080, 0x389FFFFC, 0x7E0903A6 };
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const u32 kpadoldhooks[6] = { 0x801D0060, 0x901E0060, 0x801D0064, 0x901E0064, 0x801D0068, 0x901E0068 };
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const u32 joypadhooks[4] = { 0x3AB50001, 0x3A73000C, 0x2C150004, 0x3B18000C };
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const u32 gxdrawhooks[4] = { 0x3CA0CC01, 0x38000061, 0x3C804500, 0x98058000 };
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const u32 gxflushhooks[4] = { 0x90010014, 0x800305FC, 0x2C000000, 0x41820008 };
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const u32 ossleepthreadhooks[4] = { 0x90A402E0, 0x806502E4, 0x908502E4, 0x2C030000 };
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const u32 axnextframehooks[4] = { 0x3800000E, 0x7FE3FB78, 0xB0050000, 0x38800080 };
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const u32 wpadbuttonsdownhooks[4] = { 0x7D6B4A14, 0x816B0010, 0x7D635B78, 0x4E800020 };
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const u32 wpadbuttonsdown2hooks[4] = { 0x7D6B4A14, 0x800B0010, 0x7C030378, 0x4E800020 };
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const u32 multidolhooks[4] = { 0x7C0004AC, 0x4C00012C, 0x7FE903A6, 0x4E800420 };
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const u32 multidolchanhooks[4] = { 0x4200FFF4, 0x48000004, 0x38800000, 0x4E800020 };
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const u32 langpatch[3] = { 0x7C600775, 0x40820010, 0x38000000 };
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static const u32 oldpatch002[3] = { 0x2C000000, 0x40820214, 0x3C608000 };
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static const u32 newpatch002[3] = { 0x2C000000, 0x48000214, 0x3C608000 };
//---------------------------------------------------------------------------------
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bool dogamehooks(void *addr, u32 len)
//---------------------------------------------------------------------------------
{
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if (!CheatFilepath) return false;
//this is temporary since the screen freezes without a file loaded
char filepath[150];
char GameId[10];
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memcpy(GameId, (u8 *) 0x80000000, 6);
GameId[6] = 0;
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sprintf(filepath, "%s%s.gct", CheatFilepath, GameId);
if (!CheckFile(filepath)) return false;
//TODO for oggzee: when using Ocarina check if a hook as patched
hooktype = 1; // TODO for oggzee: Create an option for hooktype
/*
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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;
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while (addr_start < addr_end)
{
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switch (hooktype)
{
case 0x00:
hookpatched = true;
break;
case 0x01:
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if (memcmp(addr_start, viwiihooks, sizeof(viwiihooks)) == 0)
{
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patchhook((u32) addr_start, len);
hookpatched = true;
}
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if (memcmp(addr_start, multidolhooks, sizeof(multidolhooks)) == 0)
{
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multidolhook((u32) addr_start + sizeof(multidolhooks) - 4);
hookpatched = true;
}
break;
case 0x02:
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if (memcmp(addr_start, kpadhooks, sizeof(kpadhooks)) == 0)
{
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patchhook((u32) addr_start, len);
hookpatched = true;
}
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if (memcmp(addr_start, kpadoldhooks, sizeof(kpadoldhooks)) == 0)
{
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patchhook((u32) addr_start, len);
hookpatched = true;
}
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if (memcmp(addr_start, multidolhooks, sizeof(multidolhooks)) == 0)
{
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multidolhook((u32) addr_start + sizeof(multidolhooks) - 4);
hookpatched = true;
}
break;
case 0x03:
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if (memcmp(addr_start, joypadhooks, sizeof(joypadhooks)) == 0)
{
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patchhook((u32) addr_start, len);
hookpatched = true;
}
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if (memcmp(addr_start, multidolhooks, sizeof(multidolhooks)) == 0)
{
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multidolhook((u32) addr_start + sizeof(multidolhooks) - 4);
hookpatched = true;
}
break;
case 0x04:
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if (memcmp(addr_start, gxdrawhooks, sizeof(gxdrawhooks)) == 0)
{
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patchhook((u32) addr_start, len);
hookpatched = true;
}
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if (memcmp(addr_start, multidolhooks, sizeof(multidolhooks)) == 0)
{
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multidolhook((u32) addr_start + sizeof(multidolhooks) - 4);
hookpatched = true;
}
break;
case 0x05:
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if (memcmp(addr_start, gxflushhooks, sizeof(gxflushhooks)) == 0)
{
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patchhook((u32) addr_start, len);
hookpatched = true;
}
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if (memcmp(addr_start, multidolhooks, sizeof(multidolhooks)) == 0)
{
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multidolhook((u32) addr_start + sizeof(multidolhooks) - 4);
hookpatched = true;
}
break;
case 0x06:
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if (memcmp(addr_start, ossleepthreadhooks, sizeof(ossleepthreadhooks)) == 0)
{
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patchhook((u32) addr_start, len);
hookpatched = true;
}
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if (memcmp(addr_start, multidolhooks, sizeof(multidolhooks)) == 0)
{
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multidolhook((u32) addr_start + sizeof(multidolhooks) - 4);
hookpatched = true;
}
break;
case 0x07:
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if (memcmp(addr_start, axnextframehooks, sizeof(axnextframehooks)) == 0)
{
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patchhook((u32) addr_start, len);
hookpatched = true;
}
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if (memcmp(addr_start, multidolhooks, sizeof(multidolhooks)) == 0)
{
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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;
//}
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if (memcmp(addr_start, multidolhooks, sizeof(multidolhooks)) == 0)
{
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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
/*
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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;
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while (addr_start < addr_end)
{
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if (memcmp(addr_start, langpatch, sizeof(langpatch)) == 0)
{
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if (configbytes[0] != 0xCD)
{
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langvipatch((u32) addr_start, len, configbytes[0]);
}
}
addr_start += 4;
}
}
/*
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void patchdebug(void *addr, u32 len)
{
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void *addr_start = addr;
void *addr_end = addr+len;
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while(addr_start < addr_end)
{
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if(memcmp(addr_start, fwritepatch, sizeof(fwritepatch))==0) {
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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;
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while (addr_start < addr_end)
{
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if (memcmp(addr_start, vipatchcode, sizeof(vipatchcode)) == 0)
{
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vipatch((u32) addr_start, len);
}
addr_start += 4;
}
}