mirror of
https://gitlab.archlinux.org/tpowa/archboot.git
synced 2024-09-20 03:50:37 +02:00
NEW! move initramfs to zram0!
This commit is contained in:
Tobias Powalowski
parent
dd66286172
commit
fdb29da8ee
14 changed files with 117 additions and 84 deletions
29
etc/archboot/init.conf
Normal file
29
etc/archboot/init.conf
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@ -0,0 +1,29 @@
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# Created by Tobias Powalowski <tpowa@archlinux.org>
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# SPDX-License-Identifier: GPL-2.0-only
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# For more information on how using mkinitcpio please refer to the main config file
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# or check the wiki.
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MODULES=()
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BINARIES=()
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FILES=()
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# SETUP
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#
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# Please change the hooks only if you know what you are doing.
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HOOKS=(archboot_init)
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# COMPRESSION
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# Use this to compress the initramfs image. By default, gzip compression
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# is used. Use 'cat' to create an uncompressed image.
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COMPRESSION="zstd"
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#COMPRESSION="gzip"
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#COMPRESSION="bzip2"
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#COMPRESSION="lzma"
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#COMPRESSION="xz"
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#COMPRESSION="lzop"
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#COMPRESSION="lz4"
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# COMPRESSION_OPTIONS
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# Additional options for the compressor
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COMPRESSION_OPTIONS=(-19)
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MODULES_DECOMPRESS="no"
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# vim: set ft=sh ts=4 sw=4 et:
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@ -1,9 +0,0 @@
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# Created by Tobias Powalowski <tpowa@archlinux.org>
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# SPDX-License-Identifier: GPL-2.0-only
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# mkinitcpio config file, defaulted to stock config file
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MKINITCPIO_CONFIG="/etc/archboot/aarch64.conf"
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# kernel version, defaulted to build for runtime kernel
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ALL_kver="/boot/Image.gz"
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# vim: set ft=sh ts=4 sw=4 et:
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@ -1,9 +0,0 @@
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# Created by Tobias Powalowski <tpowa@archlinux.org>
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# SPDX-License-Identifier: GPL-2.0-only
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# mkinitcpio config file, defaulted to stock config file
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MKINITCPIO_CONFIG="/etc/archboot/aarch64-latest.conf"
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# kernel version, defaulted to build for runtime kernel
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ALL_kver="/boot/Image.gz"
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# vim: set ft=sh ts=4 sw=4 et:
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@ -1,9 +0,0 @@
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# Created by Tobias Powalowski <tpowa@archlinux.org>
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# SPDX-License-Identifier: GPL-2.0-only
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# mkinitcpio config file, defaulted to stock config file
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MKINITCPIO_CONFIG="/etc/archboot/aarch64-local.conf"
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# kernel version, defaulted to build for runtime kernel
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ALL_kver="/boot/Image.gz"
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# vim: set ft=sh ts=4 sw=4 et:
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@ -1,9 +0,0 @@
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# Created by Tobias Powalowski <tpowa@archlinux.org>
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# SPDX-License-Identifier: GPL-2.0-only
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# mkinitcpio config file, defaulted to stock config file
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MKINITCPIO_CONFIG="/etc/archboot/riscv64.conf"
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# kernel version, defaulted to build for runtime kernel
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ALL_kver="/boot/vmlinuz-linux"
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# vim: set ft=sh ts=4 sw=4 et:
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@ -1,9 +0,0 @@
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# Created by Tobias Powalowski <tpowa@archlinux.org>
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# SPDX-License-Identifier: GPL-2.0-only
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# mkinitcpio config file, defaulted to stock config file
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MKINITCPIO_CONFIG="/etc/archboot/riscv64-latest.conf"
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# kernel version, defaulted to build for runtime kernel
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ALL_kver="/boot/vmlinuz-linux"
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# vim: set ft=sh ts=4 sw=4 et:
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@ -1,9 +0,0 @@
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# Created by Tobias Powalowski <tpowa@archlinux.org>
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# SPDX-License-Identifier: GPL-2.0-only
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# mkinitcpio config file, defaulted to stock config file
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MKINITCPIO_CONFIG="/etc/archboot/riscv64-local.conf"
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# kernel version, defaulted to build for runtime kernel
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ALL_kver="/boot/vmlinuz-linux"
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# vim: set ft=sh ts=4 sw=4 et:
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@ -1,8 +0,0 @@
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# Created by Tobias Powalowski <tpowa@archlinux.org>
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# SPDX-License-Identifier: GPL-2.0-only
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# mkinitcpio config file, defaulted to stock config file
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MKINITCPIO_CONFIG="/etc/archboot/x86_64.conf"
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# kernel version, defaulted to build for runtime kernel
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ALL_kver="/boot/vmlinuz-linux"
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# vim: set ft=sh ts=4 sw=4 et:
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@ -1,8 +0,0 @@
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# Created by Tobias Powalowski <tpowa@archlinux.org>
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# SPDX-License-Identifier: GPL-2.0-only
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# mkinitcpio config file, defaulted to stock config file
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MKINITCPIO_CONFIG="/etc/archboot/x86_64-latest.conf"
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# kernel version, defaulted to build for runtime kernel
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ALL_kver="/boot/vmlinuz-linux"
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# vim: set ft=sh ts=4 sw=4 et:
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@ -1,8 +0,0 @@
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# Created by Tobias Powalowski <tpowa@archlinux.org>
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# SPDX-License-Identifier: GPL-2.0-only
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# mkinitcpio config file, defaulted to stock config file
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MKINITCPIO_CONFIG="/etc/archboot/x86_64-local.conf"
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# kernel version, defaulted to build for runtime kernel
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ALL_kver="/boot/vmlinuz-linux"
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# vim: set ft=sh ts=4 sw=4 et:
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@ -45,7 +45,7 @@ _prepare_kernel_initramfs_files() {
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source "${_PRESET}"
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mkdir -p "${_ISODIR}"/EFI/{BOOT,TOOLS}
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mkdir -p "${_ISODIR}/boot"
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mkinitcpio -c "/etc/archboot/init.conf" -k "${ALL_kver}" -g "${_ISODIR}/boot/initramfs.img" || exit 1
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#shellcheck disable=SC2154
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mkinitcpio -c "${MKINITCPIO_CONFIG}" -k "${ALL_kver}" -g "${_ISODIR}/boot/initramfs-${_ARCH}.img" || exit 1
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# delete cachedir on archboot environment
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@ -76,6 +76,7 @@ _prepare_kernel_initramfs_files_RISCV64() {
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source "${_PRESET}"
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mkdir -p "${_ISODIR}"/boot
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install -m644 "${ALL_kver}" "${_ISODIR}/boot/vmlinuz-${_ARCH}"
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mkinitcpio -c "/etc/archboot/init.conf" -k "${ALL_kver}" -g "${_ISODIR}/boot/initramfs.img" || exit 1
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mkinitcpio -c "${MKINITCPIO_CONFIG}" -k "${ALL_kver}" -g "${_ISODIR}/boot/initramfs-${_ARCH}.img" || exit 1
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}
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@ -191,7 +192,7 @@ default linux
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label linux
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menu label Boot System (automatic boot in 10 seconds...)
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kernel /boot/vmlinuz-${_ARCH}
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initrd /boot/initramfs-${_ARCH}.img
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initrd /boot/initramfs.img
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append rootfstype=ramfs console=ttyS0,115200 console=tty0 audit=0 ${_SMP}
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EOF
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}
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47
usr/lib/initcpio/install/archboot_init
Normal file
47
usr/lib/initcpio/install/archboot_init
Normal file
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@ -0,0 +1,47 @@
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#!/usr/bin/env bash
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# SPDX-License-Identifier: GPL-2.0-only
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# created by Tobias Powalowski <tpowa@archlinux.org>
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build() {
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map add_module sd_mod? sr_mod? usb_storage? mmc_block? virtio_blk? vfat btrfs
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# pata, sata, scsi, nvme
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for filter in 'scsi/.*ata' '/(block|scsi|fusion|nvme)/' 'ata/[ps]ata_' \
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'ata/(ahci|pdc_adma|ata_piix|ata_generic)'; do
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add_checked_modules "$filter"
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done
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# usb
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add_checked_modules -f '(_cs|sl811_hcd|isp116x_hcd)' '/usb/host'
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add_checked_modules '/drivers/usb/storage/'
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# mmc
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add_checked_modules '/(drivers/mmc|tifm_)'
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# spi (mmc in spi mode)
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add_checked_modules '/drivers/spi/'
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# virtio
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add_checked_modules 'virtio'
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add_binary /usr/lib/initcpio/busybox /bin/busybox
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for applet in $(/usr/lib/initcpio/busybox --list); do
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add_symlink "/usr/bin/$applet" busybox
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done
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# add kmod with applet symlinks
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add_binary kmod
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for applet in {dep,ins,rm,ls}mod mod{probe,info}; do
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add_symlink "/usr/bin/$applet" kmod
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done
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map add_binary blkid mount switch_root bsdcpio mkfs.btrfs \
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/usr/lib/systemd/systemd-udevd udevadm systemd-tmpfiles
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map add_udev_rule '50-udev-default.rules' '60-persistent-storage.rules' \
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'64-btrfs.rules' '80-drivers.rules'
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map add_file '/usr/lib/udev/ata_id' '/usr/lib/udev/scsi_id'
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add_dir /mnt
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add_file "/usr/share/archboot/base/init" "/init"
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}
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help() {
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cat <<HELPEOF
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Inital setup for archboot ISO booting.
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HELPEOF
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}
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# vim: set ft=sh ts=4 sw=4 et:
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34
usr/share/archboot/base/init
Executable file
34
usr/share/archboot/base/init
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@ -0,0 +1,34 @@
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#!/usr/bin/ash
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# SPDX-License-Identifier: GPL-2.0-only
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# created by Tobias Powalowski <tpowa@archlinux.org>
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mount -t proc proc /proc -o nosuid,noexec,nodev
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mount -t sysfs sys /sys -o nosuid,noexec,nodev
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mount -t devtmpfs dev /dev -o mode=0755,nosuid
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mount -t tmpfs run /run -o nosuid,nodev,mode=0755
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mkdir -m755 /run/initramfs
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if [ -e /sys/firmware/efi ]; then
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mount -t efivarfs efivarfs /sys/firmware/efi/efivars -o nosuid,nodev,noexec
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fi
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kmod static-nodes --format=tmpfiles --output=/run/tmpfiles.d/kmod.conf
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systemd-tmpfiles --prefix=/dev --create --boot
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echo "Initializing Archboot Environment:"
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echo "Step 1/3: Initializing udev..."
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/usr/lib/systemd/systemd-udevd --daemon --resolve-names=never &>/dev/null
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udevadm trigger --action=add --type=subsystems
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udevadm trigger --action=add --type=devices
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udevadm settle
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udevadm control --exit
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udevadm info --cleanup-db
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echo "Step 2/3: Initializing /dev/zram0..."
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modprobe zram
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echo "zstd" >/sys/block/zram0/comp_algorithm
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echo "3500M" > /sys/block/zram0/disksize
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mkfs.btrfs /dev/zram0 &>/dev/null
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mount /dev/zram0 /new_root &>/dev/null
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mount UUID=1234-ABCD /mnt
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cd new_root
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echo "Step 3/3: Initializing /new_root..."
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bsdcpio -i </mnt/boot/initramfs-$(uname -m).img &>/dev/null
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exec switch_root /new_root /init "$@"
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# vim: set ft=sh ts=4 sw=4 et:
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@ -65,7 +65,7 @@ if [ ${grub_platform} == "pc" ]; then
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menuentry "Archboot Arch Linux x86_64 - BIOS Mode" {
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_menu_running
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linux /boot/vmlinuz-x86_64 rootfstype=ramfs console=ttyS0,115200 console=tty0 audit=0
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initrd /boot/intel-ucode.img /boot/amd-ucode.img /boot/initramfs-x86_64.img
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initrd /boot/intel-ucode.img /boot/amd-ucode.img /boot/initramfs.img
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}
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menuentry "Memory Tester (memtest86+)" {
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_menu_running
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@ -79,7 +79,7 @@ if [ ${grub_platform} == "efi" ]; then
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menuentry "Archboot Arch Linux x86_64" {
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_menu_running
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linux /boot/vmlinuz-x86_64 rootfstype=ramfs console=ttyS0,115200 console=tty0 audit=0
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initrd /boot/intel-ucode.img /boot/amd-ucode.img /boot/initramfs-x86_64.img
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initrd /boot/intel-ucode.img /boot/amd-ucode.img /boot/initramfs.img
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}
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_efi_shell
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elif [ ${grub_cpu} == "arm64" ]; then
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@ -87,14 +87,14 @@ if [ ${grub_platform} == "efi" ]; then
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menuentry "Archboot Arch Linux AA64" {
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_menu_running
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linux /boot/Image-aarch64.gz rootfstype=ramfs nr_cpus=1 console=ttyAMA0,115200 console=tty0 loglevel=4 audit=0
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initrd /boot/amd-ucode.img /boot/initramfs-aarch64.img
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initrd /boot/amd-ucode.img /boot/initramfs.img
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}
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elif [ ${grub_cpu} == "i386" ]; then
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set default="Archboot Arch Linux x86_64 - EFI MIXED MODE"
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menuentry "Archboot Arch Linux x86_64 - EFI MIXED MODE" {
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_menu_running
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linux /boot/vmlinuz-x86_64 rootfstype=ramfs _IA32_UEFI=1 console=ttyS0,115200 console=tty0 audit=0
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initrd /boot/intel-ucode.img /boot/amd-ucode.img /boot/initramfs-x86_64.img
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initrd /boot/intel-ucode.img /boot/amd-ucode.img /boot/initramfs.img
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}
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_efi_shell
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fi
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