usbloadergx/source/homebrewboot/dolloader.c
dimok321 18a26d7e1a *Fixed booting games for huge ext2/3/4 drives
*Rewrote complete main menu function
*Moved ext2/3/4 disc cache to mem2 as on FAT/NTFS (added ext2 as custom lib due to that)
*Added missing header files from R1011 for ext support
*Fixed crash on Numpad when pressing a button
*Fixed boot of WiiMC
*Changed SVN line ending to LF (Unix style)
2010-12-12 16:31:13 +00:00

65 lines
1.4 KiB
C

#include <malloc.h>
#include <stdio.h>
#include <stdlib.h>
#include <ogc/machine/processor.h>
#include <gccore.h>
#include <dirent.h>
#include <string.h>
#include "dolloader.h"
typedef struct _dolheader {
u32 text_pos[7];
u32 data_pos[11];
u32 text_start[7];
u32 data_start[11];
u32 text_size[7];
u32 data_size[11];
u32 bss_start;
u32 bss_size;
u32 entry_point;
} dolheader;
u32 load_dol(const void *dolstart, struct __argv *argv)
{
u32 i;
dolheader *dolfile;
if (dolstart)
{
dolfile = (dolheader *) dolstart;
for (i = 0; i < 7; i++)
{
if ((!dolfile->text_size[i]) || (dolfile->text_start[i] < 0x100))
continue;
memmove((void *) dolfile->text_start[i], dolstart
+ dolfile->text_pos[i], dolfile->text_size[i]);
DCFlushRange ((void *) dolfile->text_start[i], dolfile->text_size[i]);
ICInvalidateRange((void *) dolfile->text_start[i], dolfile->text_size[i]);
}
for (i = 0; i < 11; i++)
{
if ((!dolfile->data_size[i]) || (dolfile->data_start[i] < 0x100))
continue;
memmove((void *) dolfile->data_start[i], dolstart
+ dolfile->data_pos[i], dolfile->data_size[i]);
DCFlushRange((void *) dolfile->data_start[i],
dolfile->data_size[i]);
}
if (argv && argv->argvMagic == ARGV_MAGIC)
{
void *new_argv = (void *) (dolfile->entry_point + 8);
memmove(new_argv, argv, sizeof(*argv));
DCFlushRange(new_argv, sizeof(*argv));
}
return dolfile->entry_point;
}
return 0;
}