usbloadergx/source/apploader.c

#include <stdio.h>
#include <ogcsys.h>
#include <string.h>

#include "apploader.h"
#include "wdvd.h"
#include "wpad.h"
#include "patchcode.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)
{
	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);

		DCFlushRange(dst, len);
	}
	/* Set entry point from apploader */
	*entry = appldr_final();

	return 0;
}
#ifdef __cplusplus
}
#endif