mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-07-04 00:46:10 +02:00
360 lines
8.7 KiB
C
360 lines
8.7 KiB
C
/*
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* Copyright (C) 2008 Nuke (wiinuke@gmail.com)
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*
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* this file is part of GeckoOS for USB Gecko
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* http://www.usbgecko.com
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <gccore.h>
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#include "geckomenu.h"
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#include "apploader.h"
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#include "patchcode.h"
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#include "fwrite_patch.h"
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extern void patchhook(u32 address, u32 len);
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extern void patchhook2(u32 address, u32 len);
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extern void patchhook3(u32 address, u32 len);
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extern void patchhook4(u32 address, u32 len);
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extern void multidolpatchone(u32 address, u32 len);
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extern void multidolpatchtwo(u32 address, u32 len);
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extern void regionfreejap(u32 address, u32 len);
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extern void regionfreeusa(u32 address, u32 len);
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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);
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extern void copyflagcheck2(u32 address, u32 len);
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extern void copyflagcheck3(u32 address, u32 len);
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extern void copyflagcheck4(u32 address, u32 len);
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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 patchhookdol(u32 address, u32 len);
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extern void langvipatch(u32 address, u32 len, u8 langbyte);
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extern void vipatch(u32 address, u32 len);
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extern u32 regionfreeselect;
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static const u32 viwiihooks[4] = {
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0x7CE33B78,0x38870034,0x38A70038,0x38C7004C
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};
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static const u32 multidolpatch1[2] = {
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0x3C03FFB4,0x28004F43
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};
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static const u32 healthcheckhook[2] = {
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0x41810010,0x881D007D
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};
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static const u32 updatecheckhook[3] = {
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0x80650050,0x80850054,0xA0A50058
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};
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static const u32 multidolpatch2[2] = {
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0x3F608000, 0x807B0018
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};
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static const u32 recoveryhooks[3] = {
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0xA00100AC,0x5400073E,0x2C00000F
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};
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static const u32 nocopyflag1[3] = {
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0x540007FF, 0x4182001C, 0x80630068
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};
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static const u32 nocopyflag2[3] = {
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0x540007FF, 0x41820024, 0x387E12E2
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};
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// this one is for the GH3 and VC saves
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//static const u32 nocopyflag3[5] = {
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// 0x2C030000, 0x40820010, 0x88010020, 0x28000002, 0x41820234
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//};
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static const u32 nocopyflag3[5] = {
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0x2C030000, 0x41820200,0x48000058,0x38610100
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};
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// this removes the display warning for no copy VC and GH3 saves
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static const u32 nocopyflag4[4] = {
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0x80010008, 0x2C000000, 0x4182000C, 0x3BE00001
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};
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static const u32 nocopyflag5[3] = {
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0x801D0024,0x540007FF,0x41820024
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};
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static const u32 movedvdpatch[3] = {
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0x2C040000, 0x41820120, 0x3C608109
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};
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static const u32 regionfreehooks[5] = {
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0x7C600774, 0x2C000001, 0x41820030,0x40800010,0x2C000000
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};
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static const u32 fwritepatch[8] = {
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0x9421FFD0,0x7C0802A6,0x90010034,0xBF210014,0x7C9B2378,0x7CDC3378,0x7C7A1B78,0x7CB92B78 // bushing fwrite
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};
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static const u32 kpadhooks[4] = {
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0x9A3F005E,0x38AE0080,0x389FFFFC,0x7E0903A6
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};
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static const u32 kpadoldhooks[6] = {
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0x801D0060, 0x901E0060, 0x801D0064, 0x901E0064, 0x801D0068, 0x901E0068
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};
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static const u32 joypadhooks[4] = {
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0x3AB50001, 0x3A73000C, 0x2C150004, 0x3B18000C
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};
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static const u32 langpatch[3] = {
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0x7C600775, 0x40820010, 0x38000000
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};
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static const u32 vipatchcode[3] = {
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0x4182000C,0x4180001C,0x48000018
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};
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static const u32 wpadlibogc[5] = {
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// 0x38A00140, 0x7C095878, 0x7D600078, 0x901F0010,0x913F0014
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// 0x7FA00124, 0x8001001C, 0x83810008, 0x83A1000C,0x7C0803A6
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0x90A402E0,0x806502E4,0x908502E4,0x2C030000,0x906402E4
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};
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void dogamehooks(void *addr, u32 len)
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{
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void *addr_start = addr;
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void *addr_end = addr+len;
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while(addr_start < addr_end)
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{
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switch(hooktype)
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{
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case 0:
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break;
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case 1:
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if(memcmp(addr_start, viwiihooks, sizeof(viwiihooks))==0){
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// printf("\n\n\n");
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// printf("found at address %x\n", addr_start);
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// sleep(2);
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patchhook((u32)addr_start, len);
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patched = 1;
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hooktype = 1;
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}
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break;
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/*
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case 2:
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if(memcmp(addr_start, kpadhooks, sizeof(kpadhooks))==0){
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patchhook((u32)addr_start, len);
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patched = 1;
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}
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if(memcmp(addr_start, kpadoldhooks, sizeof(kpadoldhooks))==0){
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patchhook((u32)addr_start, len);
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patched = 1;
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}
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break;
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case 3:
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if(memcmp(addr_start, joypadhooks, sizeof(joypadhooks))==0){
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patchhook((u32)addr_start, len);
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patched = 1;
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}
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break;
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case 4:
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if(memcmp(addr_start, recoveryhooks, sizeof(recoveryhooks))==0){
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patchhook3((u32)addr_start, len);
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}
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break;
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*/
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case 2:
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if(memcmp(addr_start, viwiihooks, sizeof(viwiihooks))==0){
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patchhook2((u32)addr_start, len);
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}
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break;
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/*
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case 6:
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// jap region free
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if(memcmp(addr_start, regionfreehooks, sizeof(regionfreehooks))==0){
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regionfreejap((u32)addr_start, len);
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}
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// usa region free
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if(memcmp(addr_start, regionfreehooks, sizeof(regionfreehooks))==0){
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regionfreeusa((u32)addr_start, len);
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}
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// pal region free
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if(memcmp(addr_start, regionfreehooks, sizeof(regionfreehooks))==0){
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regionfreepal((u32)addr_start, len);
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}
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// skip disc update
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if(memcmp(addr_start, updatecheckhook, sizeof(updatecheckhook))==0){
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patchupdatecheck((u32)addr_start, len);
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}
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break;
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case 7:
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if(memcmp(addr_start, healthcheckhook, sizeof(healthcheckhook))==0){
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removehealthcheck((u32)addr_start, len);
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}
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break;
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// no copy flags
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case 8:
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// Remove the actual flag so can copy back
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if(memcmp(addr_start, nocopyflag5, sizeof(nocopyflag5))==0){
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copyflagcheck5((u32)addr_start, len);
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}
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if(memcmp(addr_start, nocopyflag1, sizeof(nocopyflag1))==0){
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copyflagcheck1((u32)addr_start, len);
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}
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if(memcmp(addr_start, nocopyflag2, sizeof(nocopyflag2))==0){
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copyflagcheck2((u32)addr_start, len);
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}
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// no VC and GH3 save
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if(memcmp(addr_start, nocopyflag3, sizeof(nocopyflag2))==0){
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copyflagcheck3((u32)addr_start, len);
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}
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// no VC and GH3 save display remove
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if(memcmp(addr_start, nocopyflag4, sizeof(nocopyflag4))==0){
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copyflagcheck4((u32)addr_start, len);
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}
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break;
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case 9:
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if(memcmp(addr_start, movedvdpatch, sizeof(movedvdpatch))==0){
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movedvdhooks((u32)addr_start, len);
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}
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break;
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*/
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// multidol
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case 3:
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if(memcmp(addr_start, multidolpatch1, sizeof(multidolpatch1))==0){
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multidolpatchone((u32)addr_start, len);
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}
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if(memcmp(addr_start, multidolpatch2, sizeof(multidolpatch2))==0){
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multidolpatchtwo((u32)addr_start, len);
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}
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break;
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}
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addr_start += 4;
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}
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}
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// Not used yet, for patching DOL once loaded into memory and befor execution
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void patchdol(void *addr, u32 len)
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{
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void *addr_start = addr;
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void *addr_end = addr+len;
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while(addr_start < addr_end)
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{
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if(memcmp(addr_start, wpadlibogc, sizeof(wpadlibogc))==0) {
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// printf("\n\n\n");
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// printf("found at address %x\n", addr_start);
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// sleep(10);
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// patchhookdol((u32)addr_start, len);
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patched = 1;
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break;
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}
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addr_start += 4;
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}
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}
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void langpatcher(void *addr, u32 len)
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{
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void *addr_start = addr;
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void *addr_end = addr+len;
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while(addr_start < addr_end)
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{
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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]);
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}
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}
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addr_start += 4;
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}
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}
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void patchdebug(void *addr, u32 len)
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{
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void *addr_start = addr;
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void *addr_end = addr+len;
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while(addr_start < addr_end)
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{
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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);
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// apply patch
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}
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addr_start += 4;
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}
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}
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void vidolpatcher(void *addr, u32 len)
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{
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void *addr_start = addr;
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void *addr_end = addr+len;
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while(addr_start < addr_end)
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{
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if(memcmp(addr_start, vipatchcode, sizeof(vipatchcode))==0) {
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vipatch((u32)addr_start, len);
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}
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addr_start += 4;
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}
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}
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