mirror of
https://github.com/wiidev/usbloadergx.git
synced 2024-09-08 08:33:19 +02:00
60 lines
1.6 KiB
C
60 lines
1.6 KiB
C
#include <malloc.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <ogc/machine/processor.h>
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#include <gccore.h>
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#include <dirent.h>
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#include <string.h>
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#include "dolloader.h"
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typedef struct _dolheader
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{
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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(const void *dolstart, struct __argv *argv)
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{
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u32 i;
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dolheader *dolfile;
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if (dolstart)
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{
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dolfile = (dolheader *) dolstart;
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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)) continue;
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ICInvalidateRange((void *) dolfile->text_start[i], dolfile->text_size[i]);
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memcpy((void *) dolfile->text_start[i], dolstart + dolfile->text_pos[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)) continue;
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memcpy((void *) dolfile->data_start[i], dolstart + dolfile->data_pos[i], dolfile->data_size[i]);
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DCFlushRangeNoSync((void *) dolfile->data_start[i], dolfile->data_size[i]);
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}
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memset((void *) dolfile->bss_start, 0, dolfile->bss_size);
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DCFlushRange((void *) dolfile->bss_start, dolfile->bss_size);
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if (argv && argv->argvMagic == ARGV_MAGIC)
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{
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void *new_argv = (void *) (dolfile->entry_point + 8);
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memcpy(new_argv, argv, sizeof(*argv));
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DCFlushRange(new_argv, sizeof(*argv));
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}
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return dolfile->entry_point;
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}
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return 0;
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}
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