mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-11-04 18:45:05 +01:00
514 lines
12 KiB
C
514 lines
12 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 <sys/unistd.h>
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#include "usbloader/apploader.h"
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#include "patchcode.h"
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#include "../gecko.h"
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//#include "sd.h"
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//#include "fwrite_patch.h"
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//#include "fwrite_patch_slota.h"
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//#include "main.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 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 multidolhook(u32 address);
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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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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 cIOScode[16] = {
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0x7f06c378, 0x7f25cb78, 0x387e02c0, 0x4cc63182
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};
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static const u32 cIOSblock[16] = {
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0x2C1800F9, 0x40820008, 0x3B000024
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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 vipatchcode[3] = {
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0x4182000C,0x4180001C,0x48000018
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};
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const u32 viwiihooks[4] = {
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0x7CE33B78,0x38870034,0x38A70038,0x38C7004C
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};
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const u32 kpadhooks[4] = {
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0x9A3F005E,0x38AE0080,0x389FFFFC,0x7E0903A6
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};
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const u32 kpadoldhooks[6] = {
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0x801D0060, 0x901E0060, 0x801D0064, 0x901E0064, 0x801D0068, 0x901E0068
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};
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const u32 joypadhooks[4] = {
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0x3AB50001, 0x3A73000C, 0x2C150004, 0x3B18000C
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};
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const u32 gxdrawhooks[4] = {
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0x3CA0CC01, 0x38000061, 0x3C804500, 0x98058000
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};
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const u32 gxflushhooks[4] = {
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0x90010014, 0x800305FC, 0x2C000000, 0x41820008
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};
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const u32 ossleepthreadhooks[4] = {
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0x90A402E0, 0x806502E4, 0x908502E4, 0x2C030000
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};
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const u32 axnextframehooks[4] = {
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0x3800000E, 0x7FE3FB78, 0xB0050000, 0x38800080
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};
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const u32 wpadbuttonsdownhooks[4] = {
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0x7D6B4A14, 0x816B0010, 0x7D635B78, 0x4E800020
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};
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const u32 wpadbuttonsdown2hooks[4] = {
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0x7D6B4A14, 0x800B0010, 0x7C030378, 0x4E800020
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};
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const u32 multidolhooks[4] = {
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0x7C0004AC, 0x4C00012C, 0x7FE903A6, 0x4E800420
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};
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const u32 multidolchanhooks[4] = {
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0x4200FFF4, 0x48000004, 0x38800000, 0x4E800020
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};
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const u32 langpatch[3] = {
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0x7C600775, 0x40820010, 0x38000000
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};
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static const u32 oldpatch002[3] = {
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0x2C000000, 0x40820214, 0x3C608000
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};
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static const u32 newpatch002[3] = {
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0x2C000000, 0x48000214, 0x3C608000
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};
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//---------------------------------------------------------------------------------
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bool dogamehooks(void *addr, u32 len)
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//---------------------------------------------------------------------------------
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{
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//TODO for oggzee: when using Ocarina check if a hook as patched
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hooktype = 1; // TODO for oggzee: Create an option for hooktype
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/*
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0 No Hook
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1 VBI
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2 KPAD read
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3 Joypad Hook
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4 GXDraw Hook
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5 GXFlush Hook
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6 OSSleepThread Hook
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7 AXNextFrame Hook
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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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bool hookpatched = false;
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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 0x00:
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hookpatched = true;
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break;
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case 0x01:
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if(memcmp(addr_start, viwiihooks, sizeof(viwiihooks))==0)
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{
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patchhook((u32)addr_start, len);
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hookpatched = true;
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}
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if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0)
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{
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multidolhook((u32)addr_start+sizeof(multidolhooks)-4);
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hookpatched = true;
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}
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break;
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case 0x02:
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if(memcmp(addr_start, kpadhooks, sizeof(kpadhooks))==0)
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{
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patchhook((u32)addr_start, len);
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hookpatched = true;
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}
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if(memcmp(addr_start, kpadoldhooks, sizeof(kpadoldhooks))==0)
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{
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patchhook((u32)addr_start, len);
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hookpatched = true;
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}
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if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0)
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{
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multidolhook((u32)addr_start+sizeof(multidolhooks)-4);
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hookpatched = true;
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}
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break;
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case 0x03:
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if(memcmp(addr_start, joypadhooks, sizeof(joypadhooks))==0)
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{
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patchhook((u32)addr_start, len);
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hookpatched = true;
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}
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if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0)
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{
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multidolhook((u32)addr_start+sizeof(multidolhooks)-4);
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hookpatched = true;
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}
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break;
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case 0x04:
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if(memcmp(addr_start, gxdrawhooks, sizeof(gxdrawhooks))==0)
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{
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patchhook((u32)addr_start, len);
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hookpatched = true;
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}
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if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0)
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{
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multidolhook((u32)addr_start+sizeof(multidolhooks)-4);
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hookpatched = true;
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}
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break;
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case 0x05:
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if(memcmp(addr_start, gxflushhooks, sizeof(gxflushhooks))==0)
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{
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patchhook((u32)addr_start, len);
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hookpatched = true;
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}
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if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0)
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{
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multidolhook((u32)addr_start+sizeof(multidolhooks)-4);
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hookpatched = true;
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}
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break;
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case 0x06:
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if(memcmp(addr_start, ossleepthreadhooks, sizeof(ossleepthreadhooks))==0)
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{
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patchhook((u32)addr_start, len);
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hookpatched = true;
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}
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if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0)
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{
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multidolhook((u32)addr_start+sizeof(multidolhooks)-4);
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hookpatched = true;
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}
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break;
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case 0x07:
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if(memcmp(addr_start, axnextframehooks, sizeof(axnextframehooks))==0)
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{
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patchhook((u32)addr_start, len);
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hookpatched = true;
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}
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if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0)
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{
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multidolhook((u32)addr_start+sizeof(multidolhooks)-4);
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hookpatched = true;
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}
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break;
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case 0x08:
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//if(memcmp(addr_start, customhook, customhooksize)==0)
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//{
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// patchhook((u32)addr_start, len);
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// hookpatched = true;
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//}
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if(memcmp(addr_start, multidolhooks, sizeof(multidolhooks))==0)
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{
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multidolhook((u32)addr_start+sizeof(multidolhooks)-4);
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hookpatched = true;
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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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return hookpatched;
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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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/*
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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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*/
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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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/*
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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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*/
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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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//giantpune's magic super patch to return to channels
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bool PatchReturnTo(void *Address, int Size, u32 id) {
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u8 SearchPattern[ 12 ] = { 0x38, 0x80, 0x00, 0x02, 0x38, 0x60, 0x00, 0x01, 0x38, 0xa0, 0x00, 0x00 };
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u8 SearchPattern2[ 12 ] = { 0x4D, 0x65, 0x74, 0x72, 0x6F, 0x77, 0x65, 0x72, 0x6B, 0x73, 0x20, 0x54 };
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int found = 0;
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int patched = 0;
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u32 ad[ 4 ] = { 0, 0, 0, 0 };
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void *Addr = Address;
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void *Addr_end = Address+Size;
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while (Addr <= Addr_end - 12 ) {
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//find a safe place or the patch to hang out
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if ( ! ad[ 3 ] && memcmp( Addr, SearchPattern2, 12 )==0 ) {
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ad[ 3 ] = (u32)Addr + 0x30;
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gprintf("found a safe place @ %08x\n", ad[ 3 ]);
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//hexdump( Addr, 0x50 );
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}
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//find __OSLaunchMenu() and remember some addresses in it
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else if ( memcmp( Addr, SearchPattern, 12 )==0 ) {
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ad[ found++ ] = (u32)Addr;
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}
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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
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{
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if( !ad[ 1 ] ) ad[ found++ ] = (u32)Addr;
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else if( !ad[ 2 ] ) ad[ found++ ] = (u32)Addr;
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if( found >= 3 )break;
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}
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Addr += 4;
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}
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//if the function is found and if it is not too far into the main.dol
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if( found == 3 && ( ad[ 2 ] - ad[ 3 ] < 0x1000001 ) && ad[ 3 ] )
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{
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gprintf("patch __OSLaunchMenu( 0x00010001, 0x%08x )\n", id);
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u32 nop = 0x60000000;
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//the magic that writes the TID to the registers
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u8 jump[ 20 ] = { 0x3C, 0x60, 0x00, 0x01, 0x60, 0x63, 0x00, 0x01,
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0x3C, 0x80, 0x4A, 0x4F, 0x60, 0x84, 0x44, 0x49,
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0x4E, 0x80, 0x00, 0x20 };
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//patch the thing to use the new TID
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jump[ 10 ] = (u8)( id>>24 );
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jump[ 11 ] = (u8)( id>>16 );
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jump[ 14 ] = (u8)( id>>8 );
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jump[ 15 ] = (u8)id;
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void* addr = (u32*)ad[ 3 ];
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//write new stuff to memory main.dol in a unused part of the main.dol
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memcpy( addr, jump, sizeof( jump ) );
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//ES_GetTicketViews()
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u32 newval = ( ad[ 3 ] - ad[ 0 ] );
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newval &= 0x03FFFFFC;
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newval |= 0x48000001;
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addr = (u32*)ad[ 0 ];
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memcpy( addr, &newval, sizeof( u32 ) );
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memcpy( addr + 4, &nop, sizeof( u32 ) );
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gprintf("\t%p -> %08x\n", addr, newval );
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//ES_GetTicketViews() again
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newval = ( ad[ 3 ] - ad[ 1 ] );
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newval &= 0x03FFFFFC;
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newval |= 0x48000001;
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addr = (u32*)ad[ 1 ];
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memcpy( addr, &newval, sizeof( u32 ) );
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memcpy( addr + 4, &nop, sizeof( u32 ) );
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gprintf("\t%p -> %08x\n", addr, newval );
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//ES_LaunchTitle()
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newval = ( ad[ 3 ] - ad[ 2 ] );
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newval &= 0x03FFFFFC;
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newval |= 0x48000001;
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addr = (u32*)ad[ 2 ];
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memcpy( addr, &newval, sizeof( u32 ) );
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memcpy( addr + 4, &nop, sizeof( u32 ) );
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|
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;
|
|
}
|
|
|
|
|