check_boot.sh

#!/bin/bash
# Check boot sector size and signature

echo "Checking boot sector..."
if [ ! -f boot.bin ]; then
    echo "Error: boot.bin not found. Run 'make' first."
    exit 1
fi

size=$(stat -c%s boot.bin)
echo "Boot sector size: $size bytes"

if [ $size -eq 512 ]; then
    echo "✓ Boot sector is exactly 512 bytes"
else
    echo "✗ Boot sector should be 512 bytes, but is $size bytes"
fi

# Check boot signature (bytes 511-512 should be 0x55 0xAA)
echo -n "Boot signature (bytes 511-512): "
tail -c 2 boot.bin | hexdump -C | head -1

# Check if signature is correct
if tail -c 2 boot.bin | hexdump -C | grep -q "55 aa"; then
    echo "✓ Boot signature is correct (0x55 0xAA)"
else
    echo "✗ Boot signature is incorrect"
fi

echo ""
echo "Boot sector content (first 64 bytes):"
hexdump -C boot.bin | head -5