58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <stddef.h>
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#include <inttypes.h>
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int main(int argc, char *argv[]) {
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if (argc < 3) {
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printf("Usage: %s <path to qloader2 binary> <device> [stage2 start sector]\n", argv[0]);
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return 1;
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}
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FILE *ql2_bin = fopen(argv[1], "rb");
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if (ql2_bin == NULL) {
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perror("Error: ");
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return 1;
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}
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FILE *device = fopen(argv[2], "r+b");
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if (device == NULL) {
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perror("Error: ");
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fclose(ql2_bin);
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return 1;
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}
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uint32_t stage2_sect = 1;
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if (argc >= 4)
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sscanf(argv[3], "%" SCNu32, &stage2_sect);
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char orig_mbr[64];
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fseek(device, 446, SEEK_SET);
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fread(orig_mbr, 1, 64, device);
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char ql2_bootsect[512];
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fseek(ql2_bin, 0, SEEK_SET);
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fread(ql2_bootsect, 1, 512, ql2_bin);
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fseek(device, 0, SEEK_SET);
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fwrite(ql2_bootsect, 1, 512, device);
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char *ql2_stage2 = malloc(63 * 512);
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fseek(ql2_bin, 512, SEEK_SET);
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fread(ql2_stage2, 63, 512, ql2_bin);
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fseek(device, stage2_sect * 512, SEEK_SET);
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fwrite(ql2_stage2, 63, 512, device);
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free(ql2_stage2);
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fseek(device, 0x1b0, SEEK_SET);
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fwrite(&stage2_sect, 1, 4, device);
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fseek(device, 446, SEEK_SET);
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fwrite(orig_mbr, 1, 64, device);
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fclose(ql2_bin);
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fclose(device);
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return 0;
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}
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