mirror of
https://github.com/libretro/RetroArch
synced 2025-01-27 03:35:22 +00:00
73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
// this code was contributed by shagkur of the devkitpro team, thx!
|
|
|
|
#include <stdio.h>
|
|
#include <stdint.h>
|
|
#include <string.h>
|
|
|
|
#include <gccore.h>
|
|
#include <ogcsys.h>
|
|
|
|
#include "../../retroarch_logger.h"
|
|
|
|
typedef struct _dolheader
|
|
{
|
|
uint32_t text_pos[7];
|
|
uint32_t data_pos[11];
|
|
uint32_t text_start[7];
|
|
uint32_t data_start[11];
|
|
uint32_t text_size[7];
|
|
uint32_t data_size[11];
|
|
uint32_t bss_start;
|
|
uint32_t bss_size;
|
|
uint32_t entry_point;
|
|
} dolheader;
|
|
|
|
uint32_t load_dol_image (void *dolstart)
|
|
{
|
|
uint32_t 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;
|
|
|
|
RARCH_LOG("loading text section %u @ 0x%08x (0x%08x bytes)\n",
|
|
i, dolfile->text_start[i], dolfile->text_size[i]);
|
|
|
|
ICInvalidateRange ((void *) dolfile->text_start[i],
|
|
dolfile->text_size[i]);
|
|
|
|
memmove ((void *) dolfile->text_start[i], dolstart+dolfile->text_pos[i],
|
|
dolfile->text_size[i]);
|
|
}
|
|
|
|
for(i = 0; i < 11; i++)
|
|
{
|
|
if ((!dolfile->data_size[i]) || (dolfile->data_start[i] < 0x100))
|
|
continue;
|
|
|
|
RARCH_LOG("loading data section %u @ 0x%08x (0x%08x bytes)\n", i,
|
|
dolfile->data_start[i], dolfile->data_size[i]);
|
|
|
|
memmove ((void*) dolfile->data_start[i], dolstart+dolfile->data_pos[i],
|
|
dolfile->data_size[i]);
|
|
|
|
DCFlushRangeNoSync ((void *) dolfile->data_start[i], dolfile->data_size[i]);
|
|
}
|
|
|
|
RARCH_LOG("clearing bss\n");
|
|
|
|
memset ((void *) dolfile->bss_start, 0, dolfile->bss_size);
|
|
DCFlushRange((void *) dolfile->bss_start, dolfile->bss_size);
|
|
|
|
return dolfile->entry_point;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|