usbloadergx/source/usbloader/apploader.c
dimok321 f3ef9104b1 *Whole lot of cleanup in the cfg.c
*Moved all related global settings to a settings class. one for themes and individual games will follow. Probably broke some settings or theme loading, we can deal with that later and fix when someone discovers bugs.
2010-09-19 20:25:12 +00:00

168 lines
4.3 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 "settings/cfg.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 patchcountrystring, u8 vipatch, u8 cheat )
{
VideoModePatcher( dst, len, videoSelected );
if ( cheat )
dogamehooks( dst, len );
if ( vipatch )
vidolpatcher( dst, len );
/*LANGUAGE PATCH - FISHEARS*/
langpatcher( dst, len );
/*Thanks to WiiPower*/
if ( patchcountrystring == 1 )
PatchCountryStrings( dst, len );
NSMBPatch( dst, len );
do_wip_code( ( u8 * ) dst, len );
if ( fix002 == 2 )
Anti_002_fix( dst, len );
}
s32 Apploader_Run( entry_point *entry, char * dolpath, u8 cheat, u8 videoSelected, u8 vipatch, u8 patchcountrystring, u8 error002fix, u8 alternatedol, u32 alternatedoloffset, u32 returnTo )
{
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" );
//u32 geckoattached = usb_isgeckoalive(EXI_CHANNEL_1);
//if (geckoattached)usb_flush(EXI_CHANNEL_1);
geckoinit = InitGecko();
/* 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 ( error002fix != 0 )
{
/* ERROR 002 fix (thanks to WiiPower for sharing this)*/
*( u32 * )0x80003188 = *( u32 * )0x80003140;
}
u32 dolStart = 0x90000000;
u32 dolEnd = 0x0;
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, cheat );
DCFlushRange( dst, len );
if( (u32)dst < dolStart )dolStart = (u32)dst;
if( (u32)dst + len > dolEnd ) dolEnd = (u32)dst + len;
}
//this patch should be run on the entire dol at 1 time
if( !alternatedol && returnTo)
{
if( PatchReturnTo( (u32*)dolStart, dolEnd - dolStart , returnTo) )
{
DCFlushRange( (u32*)dolStart, dolEnd - dolStart );
}
}
*entry = appldr_final();
/** Load alternate dol if set **/
if ( alternatedol == 1 )
{
wip_reset_counter();
void *dolbuffer = NULL;
int dollen = 0;
bool dolloaded = Load_Dol( &dolbuffer, &dollen, dolpath, videoSelected, patchcountrystring, vipatch, cheat );
if ( dolloaded )
{
*entry = ( entry_point ) load_dol_image( dolbuffer );
}
if ( dolbuffer )
free( dolbuffer );
}
else if ( alternatedol == 2 )
{
wip_reset_counter();
FST_ENTRY *fst = ( FST_ENTRY * ) * ( u32 * )0x80000038;
*entry = ( entry_point ) Load_Dol_from_disc( fst[alternatedoloffset].fileoffset, videoSelected, patchcountrystring, vipatch, cheat );
if ( *entry == 0 )
SYS_ResetSystem( SYS_RETURNTOMENU, 0, 0 );
}
return 0;
}