usbloadergx/source/apploader.c

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#include <stdio.h>
#include <ogcsys.h>
#include <string.h>
#include "apploader.h"
#include "wdvd.h"
#include "wpad.h"
#include "patchcode.h"
#include "disc.h"
#include "kenobiwii.h" /*FISHEARS*/
/*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);
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;
}
s32 Apploader_Run(entry_point *entry, u8 cheat, u8 videoSelected, u8 vipatch, u8 patchcountrystring)
{
app_entry appldr_entry;
app_init appldr_init;
app_main appldr_main;
app_final appldr_final;
u32 appldr_len;
s32 ret;
/* 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 (cheat)
{
/*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;
GXRModeObj** table = NULL;
/* Run apploader main function */
ret = appldr_main(&dst, &len, &offset);
if (!ret)
break;
/* Read data from DVD */
WDVD_Read(dst, len, (u64)(offset << 2));
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);
DCFlushRange(dst, len);
}
/* Set entry point from apploader */
*entry = appldr_final();
return 0;
}
#ifdef __cplusplus
}
#endif