folder reorganization.

scripts/boot_image.sh

@@ -0,0 +1,4 @@
+#!/bin/bash
+cd "$(dirname "$0")"
+dir=$(dirname "$0")
+qemu-system-x86_64 -bios /usr/share/ovmf/OVMF.fd -drive format=raw,file='./boot_image.img' -usbdevice tablet -m 4G -smp 2 -vga std -enable-kvm -machine type=pc-q35-3.1,accel=kvm,kernel_irqchip=on

scripts/build_everything.sh

@@ -0,0 +1,10 @@
+#!/bin/bash
+set -e
+dir=$(dirname "$0")
+echo $dir
+cd $dir
+./build_kernel.sh
+./build_filesystem.sh
+sudo ./create_image.sh
+
+

scripts/build_filesystem.sh

@@ -0,0 +1,11 @@
+#!/bin/bash
+set -e
+cd "$(dirname "$0")"
+cd ..
+echo $PWD
+mkdir -p outputs/root
+cat ./config/filesystem_containerfile | /usr/bin/podman build -f - -t patronagefs:latest .
+podman run --rm -it --volume ./outputs/root:/tmp/rootfs/:exec --name patronagefs patronagefs:latest
+echo 'exported.'
+
+

scripts/build_image.sh

@@ -0,0 +1,85 @@
+#!/bin/bash
+if [ "$(id -u)" -ne 0 ]; then
+	echo "switching from $(id -un) to root"
+	exec sudo "$0" "$@"
+fi
+set -e
+cd "$(dirname "$0")"
+dir=$(dirname "$0")
+echo "${dir}"
+sync
+if mountpoint -q "$dir/mnt/efi"; then
+  umount "$dir/mnt/efi"
+fi
+if mountpoint -q "$dir/mnt/sys"; then
+  umount "$dir/mnt/sys"
+fi
+echo 'creating image..'
+disk="boot_image.img"
+mnt="/mnt"
+efi_part="1"
+root_part="2"
+dd if=/dev/zero of=boot_image.img count=6000 bs=1M
+parted -s "$disk" mklabel gpt
+parted -s --align=optimal "$disk" mkpart ESP fat32 1MiB 50Mib
+parted -s "$disk" set "$efi_part" esp on
+parted -s --align=optimal "$disk" mkpart ext4 100MiB 100%
+parted -s "$disk" set "$root_part" boot on
+parted -s "$disk" print
+kpartx -d "$disk"
+kpartx -avs "$disk"
+echo 'mounting image as loopback device..'
+loop="$(kpartx -l boot_image.img | grep -ow 'loop[0-9]*' | head -n 1)"
+disk_efi="${loop}p1"
+disk_sys="${loop}p2"
+echo 'formatting image partitions..'
+mkfs.fat -F32 -n EFI /dev/mapper/${disk_efi}
+mkfs.ext4 -L ROOT /dev/mapper/${disk_sys}
+echo 'creating mount points..'
+rm -rf $dir/mnt/
+mkdir -p $dir/mnt/
+mkdir -p $dir/mnt/{efi,sys,grub}
+echo 'mounting loopback devices..'
+mount -t vfat /dev/mapper/${disk_efi} $dir/mnt/efi
+mount -t ext4 /dev/mapper/${disk_sys} $dir/mnt/sys
+echo 'installing grub..'
+echo "loop dev: ${loop}"
+echo "efi loop: ${disk_efi}"
+echo "sys loop: ${disk_sys}"
+grub-install -s --compress=gz --target=x86_64-efi --recheck --no-floppy --efi-directory=$dir/mnt/efi --boot-directory=$dir/mnt/efi --root-directory=$dir/mnt/sys --bootloader-id=patronage /dev/$loop
+echo 'copying filesystem to mounted image..'
+tar -xf ./patronagefs.tar --directory $dir/mnt/sys/
+echo 'copied..'
+echo 'copying boot files..'
+mkdir -p $dir/mnt/efi/boot/
+cp $dir/initramfs.cpio.gz $dir/mnt/efi/
+mkdir -p $dir/mnt/efi/EFI/patronage/
+cp $dir/linux/arch/x86_64/boot/bzImage $dir/mnt/efi/EFI/patronage/bzImage
+cp $dir/initramfs.cpio.gz $dir/mnt/efi/EFI/patronage/
+#cp $dir/linux/arch/x86/boot/compressed/vmlinux $dir/mnt/efi/
+#cp $dir/linux/arch/x86/boot/vmlinux.bin $dir/mnt/efi/
+#cp $dir/initramfs.cpio.gz $dir/mnt/sys/
+#cp $dir/linux/arch/x86_64/boot/bzImage $dir/mnt/sys/
+#cp $dir/linux/arch/x86/boot/compressed/vmlinux $dir/mnt/sys/
+#cp $dir/linux/arch/x86/boot/vmlinux.bin $dir/mnt/sys/
+
+cp $dir/grub.cfg $dir/mnt/efi/EFI/patronage/
+#cp $dir/grub.cfg $dir/mnt/sys/boot/grub/
+cp $dir/grub.cfg $dir/mnt/efi/EFI/BOOT/
+echo 'unmounting..'
+
+if mountpoint -q "$dir/mnt/efi"; then
+  sync
+  #fuser -kmv "$dir/mnt/efi"
+  umount -lf "$dir/mnt/efi"
+fi
+
+if mountpoint -q "$dir/mnt/sys"; then
+  sync
+  #fuser -kmv "$dir/mnt/sys"
+  umount -lf "$dir/mnt/sys"
+fi
+
+kpartx -d boot_image.img
+chmod 777 ./boot_image.img
+echo 'image built..'

scripts/build_initramfs.sh

@@ -0,0 +1,29 @@
+#!/bin/bash
+set -e
+cd "$(dirname "$0")"
+cd ..
+echo $PWD
+echo "cleaning filesystem and creating initram directories"
+rm -rf ./dependencies/initram/
+mkdir -p ./dependencies/
+mkdir -p ./outputs/
+mkdir -p ./dependencies/initram/{bin,dev,etc,lib,proc,sbin,sys,tmp,usr}
+mkdir -p ./dependencies/initram/usr/{bin,sbin}
+mkdir -p ./dependencies/initram/etc/{bin,sbin}
+mkdir -p ./dependencies/initram/lib/modules/
+echo "installing busybox"
+cp ./busybox ./dependencies/initram/bin/
+chmod +x ./dependencies/initram/bin/busybox
+./dependencies/initram/bin/busybox --install -s "./dependencies/initram/bin/"
+cp ./config/init.sh ./dependencies/initram/init
+chmod +x ./dependencies/initram/init
+echo "copying kernel"
+cp ./dependencies/linux/arch/x86_64/boot/bzImage ./outputs/bzImage.efi
+cd ./dependencies/initram
+cd "$(dirname "$0")"
+cd ..
+cd ./dependencies/initram
+echo $PWD
+find . -type f -name "*" -exec chmod +x {} +
+find . -print0 | cpio --null -ov --format=newc | gzip -9 > ../../outputs/initramfs.cpio.gz
+echo "created initramfs."

scripts/build_kernel.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+set -e
+cd "$(dirname "$0")"
+cd ..
+mkdir -p ./dependencies
+rootdir=$(dirname "$0")
+dir=./$(dirname "$0")
+cd dependencies
+[[ -d ./linux ]] || git clone --depth 1 https://github.com/torvalds/linux.git ./linux
+
+
+cd "$(dirname "$0")"
+cd ..
+echo $PWD
+cat ./config/build_containerfile | /usr/bin/podman build --volume /lib/modules:/lib/modules:z -f - -t patronagekernel:latest .
+nice -n 20 /usr/bin/podman run -it --volume /lib/modules:/lib/modules:z --volume ./dependencies/linux:/linux patronagekernel:latest
+