WiiFlow_Lite/resources/app_booter/source/dolloader.c
2012-01-21 20:57:41 +00:00

57 lines
1.4 KiB
C

#include <gctypes.h>
#include "string.h"
#include "dolloader.h"
#include "sync.h"
#define ARENA1_HI_LIMIT 0x81800000
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_image(const void *dolstart)
{
if(!dolstart)
return 0;
u32 i;
dolheader *dolfile = (dolheader *) dolstart;
/* if (dolfile->bss_start > 0 && dolfile->bss_start < ARENA1_HI_LIMIT) {
u32 bss_size = dolfile->bss_size;
if (dolfile->bss_start + bss_size > ARENA1_HI_LIMIT) {
bss_size = ARENA1_HI_LIMIT - dolfile->bss_start;
}
memset((void *) dolfile->bss_start, 0, bss_size);
sync_before_exec((void *) dolfile->bss_start, bss_size);
} */
for (i = 0; i < 7; i++)
{
if ((!dolfile->text_size[i]) || (dolfile->text_start[i] < 0x100))
continue;
memcpy((void *) dolfile->text_start[i], dolstart + dolfile->text_pos[i], dolfile->text_size[i]);
sync_before_exec((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;
memcpy((void *) dolfile->data_start[i], dolstart + dolfile->data_pos[i], dolfile->data_size[i]);
sync_before_exec((void *) dolfile->data_start[i], dolfile->data_size[i]);
}
return dolfile->entry_point;
}