146 lines
7.4 KiB
Bash
146 lines
7.4 KiB
Bash
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#!/usr/bin/env bash
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# @TODO: rpardini: there's no good reason for this ("grub-sbc-media") to exist. "grub" could be refactored to allow configuration to do the same.
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# This runs *after* user_config. Don't change anything not coming from other variables or meant to be configured by the user.
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function extension_prepare_config__prepare_grub-sbc-media() {
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display_alert "Prepare config" "${EXTENSION}" "info"
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# Extension configuration defaults.
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declare -g DISTRO_GENERIC_KERNEL=${DISTRO_GENERIC_KERNEL:-no} # if yes, does not build our own kernel, instead, uses generic one from distro
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declare -g UEFI_GRUB_DISABLE_OS_PROBER="${UEFI_GRUB_DISABLE_OS_PROBER:-}" # 'true' will disable os-probing, useful for SD cards.
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declare -g UEFI_GRUB_DISTRO_NAME="${UEFI_GRUB_DISTRO_NAME:-Armbian}" # Will be used on grub menu display
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declare -g UEFI_GRUB_TIMEOUT=${UEFI_GRUB_TIMEOUT:-3} # Small timeout by default
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declare -g UEFI_GRUB_RECORDFAIL_TIMEOUT=${UEFI_GRUB_RECORDFAIL_TIMEOUT:-3}
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declare -g GRUB_CMDLINE_LINUX_DEFAULT="${GRUB_CMDLINE_LINUX_DEFAULT:-}" # Cmdline by default
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declare -g UEFI_ENABLE_BIOS_AMD64="${UEFI_ENABLE_BIOS_AMD64:-no}" # Enable BIOS too if target is amd64
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# User config overrides.
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declare -g IMAGE_PARTITION_TABLE="gpt" # GPT partition table is essential for many UEFI-like implementations, eg Apple+Intel stuff.
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declare -g UEFISIZE=256 # in MiB - grub EFI is tiny - but some EFI BIOSes ignore small too small EFI partitions
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declare -g BOOTSIZE=0 # No separate /boot when using UEFI.
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declare -g CLOUD_INIT_CONFIG_LOCATION="${CLOUD_INIT_CONFIG_LOCATION:-/boot/efi}" # use /boot/efi for cloud-init as default when using Grub.
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declare -g EXTRA_BSP_NAME="${EXTRA_BSP_NAME}-grub" # Unique bsp name.
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declare -g UEFI_GRUB_TARGET_BIOS="" # Target for BIOS GRUB install, set to i386-pc when UEFI_ENABLE_BIOS_AMD64=yes and target is amd64
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# local
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declare -a packages=()
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packages+=(efibootmgr efivar os-prober "grub-efi-${ARCH}-bin")
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if [[ "${ARCH}" == "arm64" ]]; then
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packages+=("grub-efi-${ARCH}")
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declare -g UEFI_GRUB_TARGET="arm64-efi" # Default for arm64-efi
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fi
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add_packages_to_image "${packages[@]}"
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}
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pre_umount_final_image__install_grub() {
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configure_grub
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local chroot_target=$MOUNT
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display_alert "Installing bootloader" "GRUB" "info"
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# SBC-MEDIA: copy the dtbs to ESP
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display_alert "Copying DTBs to ESP" "${EXTENSION}" "info"
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run_host_command_logged mkdir -pv "$MOUNT"/boot/efi/dtb
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run_host_command_logged cp -vr "$MOUNT"/boot/dtb/* "$MOUNT"/boot/efi/dtb/
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display_alert "Copying Splash to ESP" "${EXTENSION}" "info"
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run_host_command_logged cp -rv ${SRC}/packages/blobs/splash/grub.png "$MOUNT"/boot/grub
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# add config to disable os-prober, otherwise image will have the host's other OSes boot entries.
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cat <<- grubCfgFragHostSide >> "${MOUNT}"/etc/default/grub.d/99-armbian-host-side.cfg
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GRUB_DISABLE_OS_PROBER=true
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grubCfgFragHostSide
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# copy Armbian GRUB wallpaper
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run_host_command_logged mkdir -pv "${chroot_target}"/usr/share/images/grub/
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run_host_command_logged cp -v "${SRC}"/packages/blobs/splash/grub.png "${chroot_target}"/usr/share/images/grub/wallpaper.png
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# Mount the chroot...
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mount_chroot "$chroot_target/" # this already handles /boot/efi which is required for it to work.
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# SBC-MEDIA specific...
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sed -i '/devicetree/c echo' "$MOUNT"/etc/grub.d/10_linux
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# update-grub is secretly `grub-mkconfig` under wraps, but the actual work is done by /etc/grub.d/10-linux
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# that decides based on 'test -e "/dev/disk/by-uuid/${GRUB_DEVICE_UUID}"' so that _must_ exist.
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# If it does NOT exist, then a reference to a /dev/devYpX is used, and will fail to boot.
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# Irony: let's use grub-probe to find out the UUID of the root partition, and then create a symlink to it.
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# Another: on some systems (eg, not Docker) the thing might already exist due to udev actually working.
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# shellcheck disable=SC2016 # some wierd escaping going on there.
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chroot_custom "$chroot_target" mkdir -pv '/dev/disk/by-uuid/"$(grub-probe --target=fs_uuid /)"' "||" true
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display_alert "Creating GRUB config..." "${EXTENSION}: grub-mkconfig / update-grub"
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chroot_custom "$chroot_target" update-grub || {
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exit_with_error "update-grub failed!"
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}
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local install_grub_cmdline="grub-install --target=${UEFI_GRUB_TARGET} --no-nvram --removable" # nvram is global to the host, even across chroot. take care.
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display_alert "Installing GRUB EFI..." "${EXTENSION}: ${UEFI_GRUB_TARGET}"
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chroot_custom "$chroot_target" "$install_grub_cmdline" || {
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exit_with_error "${install_grub_cmdline} failed!"
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}
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### Sanity check. The produced "/boot/grub/grub.cfg" should:
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declare -i has_failed_sanity_check=0
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# - NOT have any mention of `/dev` inside; otherwise something is going to fail
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if grep -q '/dev' "${chroot_target}/boot/grub/grub.cfg"; then
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display_alert "GRUB sanity check failed" "grub.cfg contains /dev" "err"
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SHOW_LOG=yes run_host_command_logged grep '/dev' "${chroot_target}/boot/grub/grub.cfg" "||" true
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has_failed_sanity_check=1
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else
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display_alert "GRUB config sanity check passed" "no '/dev' found in grub.cfg" "info"
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fi
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# - HAVE references to initrd, otherwise going to fail.
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if ! grep -q 'initrd.img' "${chroot_target}/boot/grub/grub.cfg"; then
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display_alert "GRUB config sanity check failed" "no initrd.img references found in /boot/grub/grub.cfg" "err"
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has_failed_sanity_check=1
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else
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display_alert "GRUB config sanity check passed" "initrd.img references found OK in /boot/grub/grub.cfg" "debug"
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fi
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if [[ ${has_failed_sanity_check} -gt 0 ]]; then
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exit_with_error "GRUB config sanity check failed, image will be unbootable; see above errors"
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fi
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# Remove host-side config.
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rm -f "${MOUNT}"/etc/default/grub.d/99-armbian-host-side.cfg
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if [[ $BOARD == jetson-nano ]]; then
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run_host_command_logged cp -v "${SRC}/packages/blobs/jetson/boot.scr" "${MOUNT}"/boot/efi/boot.scr
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fi
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umount_chroot "$chroot_target/"
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}
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configure_grub() {
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[[ -n "$SRC_CMDLINE" ]] &&
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GRUB_CMDLINE_LINUX_DEFAULT+=" ${SRC_CMDLINE}"
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[[ -n "$MAIN_CMDLINE" ]] &&
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GRUB_CMDLINE_LINUX_DEFAULT+=" ${MAIN_CMDLINE}"
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display_alert "GRUB EFI kernel cmdline" "${GRUB_CMDLINE_LINUX_DEFAULT} distro=${UEFI_GRUB_DISTRO_NAME} timeout=${UEFI_GRUB_TIMEOUT}" ""
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cat <<- grubCfgFrag >> "${MOUNT}"/etc/default/grub.d/98-armbian.cfg
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GRUB_CMDLINE_LINUX_DEFAULT="${GRUB_CMDLINE_LINUX_DEFAULT}"
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GRUB_TIMEOUT_STYLE=menu # Show the menu with Kernel options (Armbian or -generic)...
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GRUB_TIMEOUT=${UEFI_GRUB_TIMEOUT} # ... for ${UEFI_GRUB_TIMEOUT} seconds, then boot the Armbian default.
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GRUB_RECORDFAIL_TIMEOUT=${UEFI_GRUB_RECORDFAIL_TIMEOUT}
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GRUB_DISTRIBUTOR="${UEFI_GRUB_DISTRO_NAME}" # On GRUB menu will show up as "Armbian GNU/Linux" (will show up in some UEFI BIOS boot menu (F8?) as "armbian", not on others)
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GRUB_BACKGROUND="/boot/grub/grub.png"
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grubCfgFrag
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if [[ "a${UEFI_GRUB_DISABLE_OS_PROBER}" != "a" ]]; then
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cat <<- grubCfgFragHostSide >> "${MOUNT}"/etc/default/grub.d/98-armbian.cfg
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GRUB_DISABLE_OS_PROBER=${UEFI_GRUB_DISABLE_OS_PROBER}
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grubCfgFragHostSide
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fi
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if [[ "a${UEFI_GRUB_TERMINAL}" != "a" ]]; then
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cat <<- grubCfgFragTerminal >> "${MOUNT}"/etc/default/grub.d/98-armbian.cfg
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GRUB_TERMINAL="${UEFI_GRUB_TERMINAL}"
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grubCfgFragTerminal
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fi
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}
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