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usbloadergx/source/usbloader/apploader.c

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#include <stdio.h>
#include <ogcsys.h>
#include <string.h>
#include <malloc.h>
#include "patches/patchcode.h"
#include "patches/kenobiwii.h" /*FISHEARS*/
#include "apploader.h"
#include "wdvd.h"
#include "wpad.h"
#include "disc.h"
#include "alternatedol.h"
#include "fstfile.h"
#include "settings/cfg.h"
/*KENOBI! - FISHEARS*/
extern const unsigned char kenobiwii[];
extern const int kenobiwii_size;
/*KENOBI! - FISHEARS*/
/* Apploader function pointers */
typedef int (*app_main)(void **dst, int *size, int *offset);
typedef void (*app_init)(void (*report)(const char *fmt, ...));
typedef void *(*app_final)();
typedef void (*app_entry)(void (**init)(void (*report)(const char *fmt, ...)), int (**main)(), void *(**final)());
/* Apploader pointers */
static u8 *appldr = (u8 *)0x81200000;
/* Constants */
#define APPLDR_OFFSET 0x2440
/* Variables */
static u32 buffer[0x20] ATTRIBUTE_ALIGN(32);
struct SSettings Settings;
static void __noprint(const char *fmt, ...) {
}
bool compare_videomodes(GXRModeObj* mode1, GXRModeObj* mode2) {
if (mode1->viTVMode != mode2->viTVMode || mode1->fbWidth != mode2->fbWidth || mode1->efbHeight != mode2->efbHeight || mode1->xfbHeight != mode2->xfbHeight ||
mode1->viXOrigin != mode2->viXOrigin || mode1->viYOrigin != mode2->viYOrigin || mode1->viWidth != mode2->viWidth || mode1->viHeight != mode2->viHeight ||
mode1->xfbMode != mode2->xfbMode || mode1->field_rendering != mode2->field_rendering || mode1->aa != mode2->aa || mode1->sample_pattern[0][0] != mode2->sample_pattern[0][0] ||
mode1->sample_pattern[1][0] != mode2->sample_pattern[1][0] || mode1->sample_pattern[2][0] != mode2->sample_pattern[2][0] ||
mode1->sample_pattern[3][0] != mode2->sample_pattern[3][0] || mode1->sample_pattern[4][0] != mode2->sample_pattern[4][0] ||
mode1->sample_pattern[5][0] != mode2->sample_pattern[5][0] || mode1->sample_pattern[6][0] != mode2->sample_pattern[6][0] ||
mode1->sample_pattern[7][0] != mode2->sample_pattern[7][0] || mode1->sample_pattern[8][0] != mode2->sample_pattern[8][0] ||
mode1->sample_pattern[9][0] != mode2->sample_pattern[9][0] || mode1->sample_pattern[10][0] != mode2->sample_pattern[10][0] ||
mode1->sample_pattern[11][0] != mode2->sample_pattern[11][0] || mode1->sample_pattern[0][1] != mode2->sample_pattern[0][1] ||
mode1->sample_pattern[1][1] != mode2->sample_pattern[1][1] || mode1->sample_pattern[2][1] != mode2->sample_pattern[2][1] ||
mode1->sample_pattern[3][1] != mode2->sample_pattern[3][1] || mode1->sample_pattern[4][1] != mode2->sample_pattern[4][1] ||
mode1->sample_pattern[5][1] != mode2->sample_pattern[5][1] || mode1->sample_pattern[6][1] != mode2->sample_pattern[6][1] ||
mode1->sample_pattern[7][1] != mode2->sample_pattern[7][1] || mode1->sample_pattern[8][1] != mode2->sample_pattern[8][1] ||
mode1->sample_pattern[9][1] != mode2->sample_pattern[9][1] || mode1->sample_pattern[10][1] != mode2->sample_pattern[10][1] ||
mode1->sample_pattern[11][1] != mode2->sample_pattern[11][1] || mode1->vfilter[0] != mode2->vfilter[0] ||
mode1->vfilter[1] != mode2->vfilter[1] || mode1->vfilter[2] != mode2->vfilter[2] || mode1->vfilter[3] != mode2->vfilter[3] || mode1->vfilter[4] != mode2->vfilter[4] ||
mode1->vfilter[5] != mode2->vfilter[5] || mode1->vfilter[6] != mode2->vfilter[6] ) {
return false;
} else {
return true;
}
}
void patch_videomode(GXRModeObj* mode1, GXRModeObj* mode2) {
mode1->viTVMode = mode2->viTVMode;
mode1->fbWidth = mode2->fbWidth;
mode1->efbHeight = mode2->efbHeight;
mode1->xfbHeight = mode2->xfbHeight;
mode1->viXOrigin = mode2->viXOrigin;
mode1->viYOrigin = mode2->viYOrigin;
mode1->viWidth = mode2->viWidth;
mode1->viHeight = mode2->viHeight;
mode1->xfbMode = mode2->xfbMode;
mode1->field_rendering = mode2->field_rendering;
mode1->aa = mode2->aa;
mode1->sample_pattern[0][0] = mode2->sample_pattern[0][0];
mode1->sample_pattern[1][0] = mode2->sample_pattern[1][0];
mode1->sample_pattern[2][0] = mode2->sample_pattern[2][0];
mode1->sample_pattern[3][0] = mode2->sample_pattern[3][0];
mode1->sample_pattern[4][0] = mode2->sample_pattern[4][0];
mode1->sample_pattern[5][0] = mode2->sample_pattern[5][0];
mode1->sample_pattern[6][0] = mode2->sample_pattern[6][0];
mode1->sample_pattern[7][0] = mode2->sample_pattern[7][0];
mode1->sample_pattern[8][0] = mode2->sample_pattern[8][0];
mode1->sample_pattern[9][0] = mode2->sample_pattern[9][0];
mode1->sample_pattern[10][0] = mode2->sample_pattern[10][0];
mode1->sample_pattern[11][0] = mode2->sample_pattern[11][0];
mode1->sample_pattern[0][1] = mode2->sample_pattern[0][1];
mode1->sample_pattern[1][1] = mode2->sample_pattern[1][1];
mode1->sample_pattern[2][1] = mode2->sample_pattern[2][1];
mode1->sample_pattern[3][1] = mode2->sample_pattern[3][1];
mode1->sample_pattern[4][1] = mode2->sample_pattern[4][1];
mode1->sample_pattern[5][1] = mode2->sample_pattern[5][1];
mode1->sample_pattern[6][1] = mode2->sample_pattern[6][1];
mode1->sample_pattern[7][1] = mode2->sample_pattern[7][1];
mode1->sample_pattern[8][1] = mode2->sample_pattern[8][1];
mode1->sample_pattern[9][1] = mode2->sample_pattern[9][1];
mode1->sample_pattern[10][1] = mode2->sample_pattern[10][1];
mode1->sample_pattern[11][1] = mode2->sample_pattern[11][1];
mode1->vfilter[0] = mode2->vfilter[0];
mode1->vfilter[1] = mode2->vfilter[1];
mode1->vfilter[2] = mode2->vfilter[2];
mode1->vfilter[3] = mode2->vfilter[3];
mode1->vfilter[4] = mode2->vfilter[4];
mode1->vfilter[5] = mode2->vfilter[5];
mode1->vfilter[6] = mode2->vfilter[6];
}
GXRModeObj* vmodes[] = {
&TVNtsc240Ds,
&TVNtsc240DsAa,
&TVNtsc240Int,
&TVNtsc240IntAa,
&TVNtsc480IntDf,
&TVNtsc480IntAa,
&TVNtsc480Prog,
&TVMpal480IntDf,
&TVPal264Ds,
&TVPal264DsAa,
&TVPal264Int,
&TVPal264IntAa,
&TVPal524IntAa,
&TVPal528Int,
&TVPal528IntDf,
&TVPal574IntDfScale,
&TVEurgb60Hz240Ds,
&TVEurgb60Hz240DsAa,
&TVEurgb60Hz240Int,
&TVEurgb60Hz240IntAa,
&TVEurgb60Hz480Int,
&TVEurgb60Hz480IntDf,
&TVEurgb60Hz480IntAa,
&TVEurgb60Hz480Prog,
&TVEurgb60Hz480ProgSoft,
&TVEurgb60Hz480ProgAa
};
GXRModeObj* PAL2NTSC[]={
&TVMpal480IntDf, &TVNtsc480IntDf,
&TVPal264Ds, &TVNtsc240Ds,
&TVPal264DsAa, &TVNtsc240DsAa,
&TVPal264Int, &TVNtsc240Int,
&TVPal264IntAa, &TVNtsc240IntAa,
&TVPal524IntAa, &TVNtsc480IntAa,
&TVPal528Int, &TVNtsc480IntAa,
&TVPal528IntDf, &TVNtsc480IntDf,
&TVPal574IntDfScale, &TVNtsc480IntDf,
&TVEurgb60Hz240Ds, &TVNtsc240Ds,
&TVEurgb60Hz240DsAa, &TVNtsc240DsAa,
&TVEurgb60Hz240Int, &TVNtsc240Int,
&TVEurgb60Hz240IntAa, &TVNtsc240IntAa,
&TVEurgb60Hz480Int, &TVNtsc480IntAa,
&TVEurgb60Hz480IntDf, &TVNtsc480IntDf,
&TVEurgb60Hz480IntAa, &TVNtsc480IntAa,
&TVEurgb60Hz480Prog, &TVNtsc480Prog,
&TVEurgb60Hz480ProgSoft,&TVNtsc480Prog,
&TVEurgb60Hz480ProgAa, &TVNtsc480Prog,
0,0
};
GXRModeObj* NTSC2PAL[]={
&TVNtsc240Ds, &TVPal264Ds,
&TVNtsc240DsAa, &TVPal264DsAa,
&TVNtsc240Int, &TVPal264Int,
&TVNtsc240IntAa, &TVPal264IntAa,
&TVNtsc480IntDf, &TVPal528IntDf,
&TVNtsc480IntAa, &TVPal524IntAa,
&TVNtsc480Prog, &TVPal528IntDf,
0,0
};
GXRModeObj* NTSC2PAL60[]={
&TVNtsc240Ds, &TVEurgb60Hz240Ds,
&TVNtsc240DsAa, &TVEurgb60Hz240DsAa,
&TVNtsc240Int, &TVEurgb60Hz240Int,
&TVNtsc240IntAa, &TVEurgb60Hz240IntAa,
&TVNtsc480IntDf, &TVEurgb60Hz480IntDf,
&TVNtsc480IntAa, &TVEurgb60Hz480IntAa,
&TVNtsc480Prog, &TVEurgb60Hz480Prog,
0,0
};
bool Search_and_patch_Video_Modes(void *Address, u32 Size, GXRModeObj* Table[]) {
u8 *Addr = (u8 *)Address;
bool found = 0;
u32 i;
while (Size >= sizeof(GXRModeObj)) {
for (i = 0; Table[i]; i+=2) {
if (compare_videomodes(Table[i], (GXRModeObj*)Addr))
{
found = 1;
patch_videomode((GXRModeObj*)Addr, Table[i+1]);
Addr += (sizeof(GXRModeObj)-4);
Size -= (sizeof(GXRModeObj)-4);
break;
}
}
Addr += 4;
Size -= 4;
}
return found;
}
/** Anti 002 fix for IOS 249 rev < 12 thanks to WiiPower **/
void Anti_002_fix(void *Address, int Size) {
u8 SearchPattern[12] = { 0x2C, 0x00, 0x00, 0x00, 0x48, 0x00, 0x02, 0x14, 0x3C, 0x60, 0x80, 0x00 };
u8 PatchData[12] = { 0x2C, 0x00, 0x00, 0x00, 0x40, 0x82, 0x02, 0x14, 0x3C, 0x60, 0x80, 0x00 };
void *Addr = Address;
void *Addr_end = Address+Size;
while (Addr <= Addr_end-sizeof(SearchPattern)) {
if (memcmp(Addr, SearchPattern, sizeof(SearchPattern))==0) {
memcpy(Addr,PatchData,sizeof(PatchData));
}
Addr += 4;
}
}
void PretendThereIsADiscInTheDrive(void *buffer, u32 len)
{
const u8 oldcode[] = { 0x54, 0x60, 0xF7, 0xFF, 0x40, 0x82, 0x00, 0x0C, 0x54, 0x60, 0x07, 0xFF, 0x41, 0x82, 0x00, 0x0C };
const u8 newcode[] = { 0x54, 0x60, 0xF7, 0xFF, 0x40, 0x82, 0x00, 0x0C, 0x54, 0x60, 0x07, 0xFF, 0x48, 0x00, 0x00, 0x0C };
int n;
/* Patch cover register */
for(n=0;n<(len-sizeof(oldcode));n+=4)
{
if (memcmp(buffer+n, (void *) oldcode, sizeof(oldcode)) == 0)
{
memcpy(buffer+n, (void *) newcode, sizeof(newcode));
}
}
}
void gamepatches(void * dst, int len, u8 videoSelected, u8 patchcountrystring, u8 vipatch) {
PretendThereIsADiscInTheDrive(dst, len);
GXRModeObj** table = NULL;
if (videoSelected == 5) // patch
{
switch (CONF_GetVideo()) {
case CONF_VIDEO_PAL:
if (CONF_GetEuRGB60() > 0) {
table = NTSC2PAL60;
} else {
table = NTSC2PAL;
}
break;
case CONF_VIDEO_MPAL:
table = NTSC2PAL;
break;
default:
table = PAL2NTSC;
break;
}
Search_and_patch_Video_Modes(dst, len, table);
}
/*GAME HOOK - FISHEARS*/
dogamehooks(dst,len);
if (vipatch)
vidolpatcher(dst,len);
/*LANGUAGE PATCH - FISHEARS*/
langpatcher(dst,len);
/*Thanks to WiiPower*/
if (patchcountrystring == 1)
PatchCountryStrings(dst, len);
//if(Settings.anti002fix == on)
if (fix002 == 2)
Anti_002_fix(dst, len);
}
s32 Apploader_Run(entry_point *entry, u8 cheat, u8 videoSelected, u8 vipatch, u8 patchcountrystring, u8 error002fix, u8 alternatedol, u32 alternatedoloffset) {
app_entry appldr_entry;
app_init appldr_init;
app_main appldr_main;
app_final appldr_final;
u32 appldr_len;
s32 ret;
u32 geckoattached = usb_isgeckoalive(EXI_CHANNEL_1);
if (geckoattached)usb_flush(EXI_CHANNEL_1);
/* Read apploader header */
ret = WDVD_Read(buffer, 0x20, APPLDR_OFFSET);
if (ret < 0)
return ret;
/* Calculate apploader length */
appldr_len = buffer[5] + buffer[6];
/* Read apploader code */
ret = WDVD_Read(appldr, appldr_len, APPLDR_OFFSET + 0x20);
if (ret < 0)
return ret;
/* Set apploader entry function */
appldr_entry = (app_entry)buffer[4];
/* Call apploader entry */
appldr_entry(&appldr_init, &appldr_main, &appldr_final);
/* Initialize apploader */
appldr_init(__noprint);
if (error002fix!=0) {
/* ERROR 002 fix (thanks to WiiPower for sharing this)*/
*(u32 *)0x80003140 = *(u32 *)0x80003188;
}
if (cheat || geckoattached) {
/*HOOKS STUFF - FISHEARS*/
memset((void*)0x80001800,0,kenobiwii_size);
memcpy((void*)0x80001800,kenobiwii,kenobiwii_size);
DCFlushRange((void*)0x80001800,kenobiwii_size);
hooktype = 1;
memcpy((void*)0x80001800, (char*)0x80000000, 6); // For WiiRD
/*HOOKS STUFF - FISHEARS*/
}
for (;;) {
void *dst = NULL;
int len = 0, offset = 0;
/* Run apploader main function */
ret = appldr_main(&dst, &len, &offset);
if (!ret)
break;
/* Read data from DVD */
WDVD_Read(dst, len, (u64)(offset << 2));
gamepatches(dst, len, videoSelected, patchcountrystring, vipatch);
DCFlushRange(dst, len);
}
*entry = appldr_final();
/** Load alternate dol if set **/
if (alternatedol == 1) {
void *dolbuffer;
int dollen;
bool dolloaded = Load_Dol(&dolbuffer, &dollen, Settings.dolpath);
if (dolloaded) {
Remove_001_Protection(dolbuffer, dollen);
DCFlushRange(dolbuffer, dollen);
gamepatches(dolbuffer, dollen, videoSelected, patchcountrystring, vipatch);
DCFlushRange(dolbuffer, dollen);
/* Set entry point from apploader */
*entry = (entry_point) load_dol_image(dolbuffer);
}
if(dolbuffer)
free(dolbuffer);
} else if (alternatedol == 2) {
FST_ENTRY *fst = (FST_ENTRY *)*(u32 *)0x80000038;
*entry = (entry_point) Load_Dol_from_disc(fst[alternatedoloffset].fileoffset, videoSelected, patchcountrystring, vipatch);
if (*entry == 0)
SYS_ResetSystem(SYS_RETURNTOMENU, 0, 0);
}
return 0;
}
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