mirror of
https://github.com/suchmememanyskill/TegraExplorer.git
synced 2024-11-13 23:46:42 +00:00
94 lines
2.2 KiB
C
94 lines
2.2 KiB
C
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#include "fsutils.h"
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#include <string.h>
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#include "../../gfx/gfx.h"
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#include "../gfx/gfxutils.h"
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#include "../../utils/types.h"
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#include "../../storage/emummc.h"
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#include "../common/common.h"
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#include "../../libs/fatfs/ff.h"
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#include "../../utils/sprintf.h"
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#include "../../utils/btn.h"
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#include "../../mem/heap.h"
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#include "../../storage/nx_emmc.h"
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#include "../common/types.h"
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#include "../utils/utils.h"
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u32 DecodeInt(u8* data) {
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u32 out = 0;
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for (int i = 0; i < 4; i++) {
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out |= (data[i] << ((3 - i) * 8));
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}
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return out;
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}
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void copy_fil_size(FIL* in_src, FIL* out_src, int size_src){
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u8* buff;
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buff = calloc(16384, sizeof(u8));
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int size = size_src;
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int copysize;
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while (size > 0){
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copysize = MIN(16834, size);
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f_read(in_src, buff, copysize, NULL);
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f_write(out_src, buff, copysize, NULL);
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size -= copysize;
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}
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free(buff);
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}
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void gen_part(int size, FIL* in, char *path){
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FIL out;
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f_open(&out, path, FA_WRITE | FA_CREATE_ALWAYS);
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copy_fil_size(in, &out, size);
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f_close(&out);
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}
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int extract_bis_file(char *path, char *outfolder){
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FIL in;
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int res;
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u8 version[0x10];
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u8 args;
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u8 temp[0x4];
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u32 filesizes[4];
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if ((res = f_open(&in, path, FA_READ | FA_OPEN_EXISTING))){
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gfx_errDisplay("extract_bis_file", res, 0);
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return -1;
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}
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f_read(&in, version, 0x10, NULL);
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f_read(&in, &args, 1, NULL);
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for (int i = 0; i < 4; i++){
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f_read(&in, temp, 4, NULL);
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filesizes[i] = DecodeInt(temp);
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}
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gfx_printf("Version: %s\n\n", version);
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gfx_printf("\nExtracting BOOT0\n");
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if (args & BOOT0_ARG)
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gen_part(filesizes[0], &in, fsutil_getnextloc(outfolder, "BOOT0.bin"));
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gfx_printf("Extracting BOOT1\n");
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if (args & BOOT1_ARG)
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gen_part(filesizes[1], &in, fsutil_getnextloc(outfolder, "BOOT1.bin"));
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gfx_printf("Extracting BCPKG2_1\n");
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if (args & BCPKG2_1_ARG)
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gen_part(filesizes[2], &in, fsutil_getnextloc(outfolder, "BCPKG2-1-Normal-Main"));
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gfx_printf("Extracting BCPKG2_3\n");
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if (args & BCPKG2_3_ARG)
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gen_part(filesizes[3], &in, fsutil_getnextloc(outfolder, "BCPKG2-3-SafeMode-Main"));
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gfx_printf("\n\nDone!\n");
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f_close(&in);
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return 0;
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}
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