mirror of
https://github.com/libretro/RetroArch
synced 2024-12-29 12:31:05 +00:00
57 lines
1.4 KiB
C
57 lines
1.4 KiB
C
#include <gctypes.h>
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#include "string.h"
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#include "dolloader.h"
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#include "sync.h"
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#define ARENA1_HI_LIMIT 0x81800000
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typedef struct _dolheader {
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u32 text_pos[7];
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u32 data_pos[11];
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u32 text_start[7];
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u32 data_start[11];
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u32 text_size[7];
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u32 data_size[11];
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u32 bss_start;
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u32 bss_size;
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u32 entry_point;
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} dolheader;
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u32 load_dol_image(const void *dolstart)
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{
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if(!dolstart)
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return 0;
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u32 i;
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dolheader *dolfile = (dolheader *) dolstart;
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/* if (dolfile->bss_start > 0 && dolfile->bss_start < ARENA1_HI_LIMIT) {
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u32 bss_size = dolfile->bss_size;
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if (dolfile->bss_start + bss_size > ARENA1_HI_LIMIT) {
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bss_size = ARENA1_HI_LIMIT - dolfile->bss_start;
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}
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memset((void *) dolfile->bss_start, 0, bss_size);
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sync_before_exec((void *) dolfile->bss_start, bss_size);
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} */
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for (i = 0; i < 7; i++)
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{
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if ((!dolfile->text_size[i]) || (dolfile->text_start[i] < 0x100))
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continue;
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memcpy((void *) dolfile->text_start[i], dolstart + dolfile->text_pos[i], dolfile->text_size[i]);
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sync_before_exec((void *) dolfile->text_start[i], dolfile->text_size[i]);
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}
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for (i = 0; i < 11; i++)
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{
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if ((!dolfile->data_size[i]) || (dolfile->data_start[i] < 0x100))
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continue;
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memcpy((void *) dolfile->data_start[i], dolstart + dolfile->data_pos[i], dolfile->data_size[i]);
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sync_before_exec((void *) dolfile->data_start[i], dolfile->data_size[i]);
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}
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return dolfile->entry_point;
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}
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