Add disk driver

scripts/run-kernel.sh

@@ -1,3 +1,69 @@
 ./scripts/build.sh
 
-qemu-system-i386 -serial stdio -kernel "build/out/kernel"
+# Create disk image if it doesn't exist
+if [ ! -f hdd.img ]; then
+  echo "Creating disk image..."
+  qemu-img create -f raw hdd.img 10M
+  
+  # Create a proper MBR partition table with one FAT32 partition
+  # Using fdisk commands
+  (
+    echo o      # Create new DOS partition table
+    echo n      # New partition
+    echo p      # Primary partition
+    echo 1      # Partition number 1
+    echo        # Default first sector
+    echo        # Default last sector (use all space)
+    echo t      # Change partition type
+    echo c      # FAT32 LBA
+    echo a      # Make bootable
+    echo w      # Write changes
+  ) | fdisk hdd.img >/dev/null 2>&1
+  
+  # Format the partition as FAT32
+  # First, get the partition offset using sfdisk
+  OFFSET=$(sfdisk -l hdd.img 2>/dev/null | grep 'hdd.img1' | awk '{print $2}')
+  
+  # Check if OFFSET is empty or non-numeric and set default if needed
+  if [ -z "$OFFSET" ] || ! [[ "$OFFSET" =~ ^[0-9]+$ ]]; then
+    OFFSET=2048  # Default first sector for most partition tables
+  fi
+  
+  # Create FAT32 filesystem on the partition
+  echo "Formatting partition as FAT32..."
+  mkfs.vfat -F 32 -n "TESTDISK" --offset $OFFSET hdd.img
+  
+  echo "Disk image created with FAT32 partition"
+fi
+
+# Get the partition offset for file operations
+OFFSET=$(sfdisk -l hdd.img 2>/dev/null | grep 'hdd.img1' | awk '{print $2}')
+if [ -z "$OFFSET" ] || ! [[ "$OFFSET" =~ ^[0-9]+$ ]]; then
+  OFFSET=2048
+fi
+
+# Copy test-hdd contents into the disk image
+if [ -d "test-hdd" ]; then
+  echo "Copying test-hdd contents to disk image..."
+  
+  # Use mcopy to copy files to the FAT32 partition
+  MTOOLS_SKIP_CHECK=1 mcopy -i hdd.img@@$((OFFSET * 512)) -s test-hdd/* :: || {
+    echo "Warning: mcopy failed, retrying individual files..."
+    for file in test-hdd/*; do
+      if [ -f "$file" ]; then
+        MTOOLS_SKIP_CHECK=1 mcopy -i hdd.img@@$((OFFSET * 512)) "$file" :: && echo "Copied $(basename "$file")"
+      fi
+    done
+  }
+fi
+
+# Create CD-ROM image if it doesn't exist
+if [ ! -f cdrom.iso ]; then
+    mkdir -p /tmp/cdrom_content
+    echo "Test CD-ROM" > /tmp/cdrom_content/readme.txt
+    genisoimage -o cdrom.iso -V "TESTCD" -r -J /tmp/cdrom_content 2>/dev/null || touch cdrom.iso
+fi
+
+qemu-system-i386 -serial stdio -kernel "build/out/kernel" \
+  -drive file=hdd.img,if=ide,format=raw,index=0,media=disk \
+  -drive file=cdrom.iso,if=ide,format=raw,index=1,media=cdrom