banan-os/disk.sh

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#!/bin/sh
set -e
. ./build.sh
DISK_NAME=banan-os.img
DISK_SIZE=$[50 * 1024 * 1024]
MOUNT_DIR=/mnt
dd if=/dev/zero of=$DISK_NAME bs=512 count=$[$DISK_SIZE / 512]
sed -e 's/\s*\([-\+[:alnum:]]*\).*/\1/' << EOF | fdisk $DISK_NAME
g # gpt
n # new partition
1 # partition number 1
# default (from the beginning of the disk)
+1MiB # bios boot partiton size
n # new partition
2 # partition number 2
# default (right after bios boot partition)
# default (to the end of disk)
t # set type
1 # ... of partition 1
4 # bios boot partition
t # set type
2 # ... of partition 2
20 # Linux filesystem
x # expert menu
n # partition name
2 # ... of partition 2
banan-root
r # back to main menu
w # write changes
EOF
LOOP_DEV=$(sudo losetup -f --show $DISK_NAME)
sudo partprobe $LOOP_DEV
PARTITION1=${LOOP_DEV}p1
PARTITION2=${LOOP_DEV}p2
sudo mkfs.ext2 $PARTITION2
sudo mount $PARTITION2 $MOUNT_DIR
sudo cp -r ${SYSROOT}/* ${MOUNT_DIR}/
sudo mkdir -p ${MOUNT_DIR}/usr/share/
sudo cp -r fonts ${MOUNT_DIR}/usr/share/
sudo grub-install --no-floppy --target=i386-pc --modules="normal ext2 multiboot" --boot-directory=${MOUNT_DIR}/boot $LOOP_DEV
echo -e '
menuentry "banan-os" {
multiboot /boot/banan-os.kernel
}
menuentry "banan-os (no serial)" {
multiboot /boot/banan-os.kernel noserial
}
menuentry "banan-os (no apic)" {
multiboot /boot/banan-os.kernel noapic
}
menuentry "banan-os (no apic, no serial)" {
multiboot /boot/banan-os.kernel noapic noserial
}
' | sudo tee ${MOUNT_DIR}/boot/grub/grub.cfg
sudo umount $MOUNT_DIR
sudo losetup -d $LOOP_DEV