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emul: add sanity check for blkfs
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@ -86,6 +86,13 @@ Machine* emul_init()
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fprintf(stderr, "Can't open\n");
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return NULL;
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}
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fseek(blkfp, 0, SEEK_END);
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if (ftell(blkfp) < 100 * 1024) {
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fclose(blkfp);
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fprintf(stderr, "emul/blkfs too small, something's wrong, aborting.\n");
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return NULL;
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}
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fseek(blkfp, 0, SEEK_SET);
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// initialize memory
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memset(m.mem, 0, 0x10000);
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FILE *bfp = fopen(FBIN_PATH, "r");
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