usbloadergx/source/usbloader/apploader.c

144 lines
3.7 KiB
C

#include <stdio.h>
#include <ogcsys.h>
#include <string.h>
#include <malloc.h>
#include "patches/patchcode.h"
#include "apploader.h"
#include "wdvd.h"
#include "wpad.h"
#include "disc.h"
#include "alternatedol.h"
#include "fstfile.h"
#include "gecko.h"
#include "patches/wip.h"
#include "patches/dolpatcher.h"
#include "patches/gamepatches.h"
extern bool geckoinit;
/* 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 );
void gamepatches( u8 * dst, int len, u8 videoSelected, u8 languageChoice, u8 patchcountrystring, u8 vipatch, u8 cheat, u32 returnTo, u8 fix002 )
{
VideoModePatcher( dst, len, videoSelected );
if ( cheat )
dogamehooks( dst, len );
if ( vipatch )
vidolpatcher( dst, len );
/*LANGUAGE PATCH - FISHEARS*/
langpatcher( dst, len, languageChoice );
/*Thanks to WiiPower*/
if ( patchcountrystring == 1 )
PatchCountryStrings( dst, len );
do_wip_code( ( u8 * ) dst, len );
if ( fix002 == 2 )
Anti_002_fix( dst, len );
PatchReturnTo( dst, len, returnTo );
}
s32 Apploader_Run(entry_point *entry, char * dolpath, u8 cheat, u8 videoSelected, u8 languageChoice, u8 vipatch, u8 patchcountrystring,
u8 alternatedol, u32 alternatedoloffset, u32 returnTo, u8 fix002)
{
app_entry appldr_entry;
app_init appldr_init;
app_main appldr_main;
app_final appldr_final;
u32 appldr_len;
s32 ret;
gprintf("\nApploader_Run() started\n");
/* 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(gprintf);
if (fix002 != 0)
{
/* ERROR 002 fix (thanks to WiiPower for sharing this)*/
*(u32 *) 0x80003188 = *(u32 *) 0x80003140;
}
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));
if( !alternatedol )
gamepatches(dst, len, videoSelected, languageChoice, patchcountrystring, vipatch, cheat, returnTo, fix002 );
DCFlushRange(dst, len);
}
*entry = appldr_final();
/** Load alternate dol if set **/
if (alternatedol == 2)
{
wip_reset_counter();
void *dolbuffer = NULL;
int dollen = 0;
bool dolloaded = Load_Dol(&dolbuffer, &dollen, dolpath, videoSelected, languageChoice, patchcountrystring, vipatch, cheat, returnTo);
if (dolloaded)
{
*entry = (entry_point) load_dol_image(dolbuffer);
}
if (dolbuffer) free(dolbuffer);
}
else if (alternatedol == 1)
{
wip_reset_counter();
FST_ENTRY *fst = (FST_ENTRY *) *(u32 *) 0x80000038;
*entry = (entry_point) Load_Dol_from_disc(fst[alternatedoloffset].fileoffset, videoSelected, languageChoice,
patchcountrystring, vipatch, cheat, returnTo);
}
return 0;
}