usbloadergx/source/patches/patchcode.c

283 lines
6.5 KiB
C
Raw Normal View History

/*
* 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 "usbloader/apploader.h"
#include "geckomenu.h"
#include "patchcode.h"
#include "fwrite_patch.h"
extern void patchhook(u32 address, u32 len);
extern void patchhook2(u32 address, u32 len);
extern void patchhook3(u32 address, u32 len);
extern void patchhook4(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 patchhookdol(u32 address, u32 len);
extern void langvipatch(u32 address, u32 len, u8 langbyte);
extern void vipatch(u32 address, u32 len);
extern u32 regionfreeselect;
static const u32 viwiihooks[4] = {
0x7CE33B78,0x38870034,0x38A70038,0x38C7004C
};
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 fwritepatch[8] = {
0x9421FFD0,0x7C0802A6,0x90010034,0xBF210014,0x7C9B2378,0x7CDC3378,0x7C7A1B78,0x7CB92B78 // bushing fwrite
};
static const u32 kpadhooks[4] = {
0x9A3F005E,0x38AE0080,0x389FFFFC,0x7E0903A6
};
static const u32 kpadoldhooks[6] = {
0x801D0060, 0x901E0060, 0x801D0064, 0x901E0064, 0x801D0068, 0x901E0068
};
static const u32 joypadhooks[4] = {
0x3AB50001, 0x3A73000C, 0x2C150004, 0x3B18000C
};
static const u32 langpatch[3] = {
0x7C600775, 0x40820010, 0x38000000
};
static const u32 vipatchcode[3] = {
0x4182000C,0x4180001C,0x48000018
};
static const u32 wpadlibogc[5] = {
// 0x38A00140, 0x7C095878, 0x7D600078, 0x901F0010,0x913F0014
// 0x7FA00124, 0x8001001C, 0x83810008, 0x83A1000C,0x7C0803A6
0x90A402E0,0x806502E4,0x908502E4,0x2C030000,0x906402E4
};
void dogamehooks(void *addr, u32 len, bool vpatch)
{
void *addr_start = addr;
void *addr_end = addr+len;
while(addr_start < addr_end)
{
switch(hooktype)
{
case 0:
break;
case 1:
if(memcmp(addr_start, viwiihooks, sizeof(viwiihooks))==0){
// printf("\n\n\n");
// printf("found at address %x\n", addr_start);
// sleep(2);
patchhook((u32)addr_start, len);
patched = 1;
hooktype = 1;
}
break;
case 2:
if(memcmp(addr_start, viwiihooks, sizeof(viwiihooks))==0){
patchhook2((u32)addr_start, len);
}
break;
// multidol
case 3:
if(memcmp(addr_start, multidolpatch1, sizeof(multidolpatch1))==0){
multidolpatchone((u32)addr_start, len);
}
if(memcmp(addr_start, multidolpatch2, sizeof(multidolpatch2))==0){
multidolpatchtwo((u32)addr_start, len);
}
break;
}
if (vpatch){
if(memcmp(addr_start, vipatchcode, sizeof(vipatchcode))==0) {
vipatch((u32)addr_start, len);
}
}
if(memcmp(addr_start, langpatch, sizeof(langpatch))==0) {
if(configbytes[0] != 0xCD){
langvipatch((u32)addr_start, len, configbytes[0]);
}
}
addr_start += 4;
}
}
// 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;
}
}