| index : archiso32 | |
| Archlinux32 iso tools | gitolite user |
| summaryrefslogtreecommitdiff |
| -rwxr-xr-x | archiso/mkarchiso | 127 |
diff --git a/archiso/mkarchiso b/archiso/mkarchiso index e7f52b3..b81b700 100755 --- a/archiso/mkarchiso +++ b/archiso/mkarchiso @@ -41,6 +41,7 @@ airootfs_image_tool_options=() cert_list=() sign_netboot_artifacts="" declare -A file_permissions=() +efiboot_files=() # adapted from GRUB_EARLY_INITRD_LINUX_STOCK in https://git.savannah.gnu.org/cgit/grub.git/tree/util/grub-mkconfig.in readonly ucodes=('intel-uc.img' 'intel-ucode.img' 'amd-uc.img' 'amd-ucode.img' 'early_ucode.cpio' 'microcode.cpio') @@ -518,6 +519,84 @@ _make_efibootimg() { mmd -i "${work_dir}/efiboot.img" ::/EFI ::/EFI/BOOT } +_make_bootmode_uefi-ia32.grub.esp() { + # Fill Grub configuration files + sed "s|%ARCHISO_LABEL%|${iso_label}|g; + s|%INSTALL_DIR%|${install_dir}|g; + s|%ARCH%|${arch}|g" \ + "${profile}/grub/grub.cfg" > "${work_dir}/grub.cfg" + + # shellcheck disable=SC2016 + printf 'configfile ${cmdpath}/grub.cfg\n' > "${work_dir}/grub-embed.cfg" + + # Create EFI file + grub-mkstandalone -O i386-efi \ + --modules="part_gpt part_msdos fat iso9660" \ + --locales="en@quot" \ + --themes="" \ + -o "${work_dir}/BOOTIA32.EFI" "boot/grub/grub.cfg=${work_dir}/grub-embed.cfg" + # Add GRUB to the list of files used to calculate the required FAT image size. + efiboot_files+=("${work_dir}/BOOTIA32.EFI" + "${pacstrap_dir}/usr/share/edk2-shell/ia32/Shell_Full.efi") + + if [[ ! " ${bootmodes[*]} " =~ uefi-x64.systemd-boot.esp ]]; then + efiboot_files+=("${pacstrap_dir}/boot/vmlinuz-"* + "${pacstrap_dir}/boot/initramfs-"*".img") + + efiboot_imgsize="$(du -bc "${efiboot_files[@]}" \ + 2>/dev/null | awk 'END { print $1 }')" + # Create a FAT image for the EFI system partition + _make_efibootimg "$efiboot_imgsize" + else + _run_once _make_bootmode_uefi-x64.systemd-boot.esp + fi + + # Copy grub EFI binary to the default/fallback boot path + mcopy -i "${work_dir}/efiboot.img" \ + "${work_dir}/BOOTIA32.EFI" ::/EFI/BOOT/BOOTIA32.EFI + + # Copy GRUB configuration files + mcopy -i "${work_dir}/efiboot.img" \ + "${work_dir}/grub.cfg" ::/EFI/BOOT/grub.cfg + + # shellia32.efi is picked up automatically when on / + if [[ -e "${pacstrap_dir}/usr/share/edk2-shell/ia32/Shell_Full.efi" ]]; then + mcopy -i "${work_dir}/efiboot.img" \ + "${pacstrap_dir}/usr/share/edk2-shell/ia32/Shell_Full.efi" ::/shellia32.efi + fi + + _msg_info "Done! GRUB set up for UEFI booting successfully." +} + +# Prepare GRUB for El Torito booting +_make_bootmode_uefi-ia32.grub.eltorito() { + # El Torito UEFI boot requires an image containing the EFI system partition. + # uefi-ia32.grub.eltorito has the same requirements as uefi-ia32.grub.esp + _run_once _make_bootmode_uefi-ia32.grub.esp + + # Additionally set up system-boot in ISO 9660. This allows creating a medium for the live environment by using + # manual partitioning and simply copying the ISO 9660 file system contents. + # This is not related to El Torito booting and no firmware uses these files. + _msg_info "Preparing an /EFI directory for the ISO 9660 file system..." + install -d -m 0755 -- "${isofs_dir}/EFI/BOOT" + + # Copy GRUB EFI binary to the default/fallback boot path + install -m 0644 -- "${work_dir}/BOOTIA32.EFI" \ + "${isofs_dir}/EFI/BOOT/BOOTIA32.EFI" + + # Copy GRUB configuration files + install -m 0644 -- "${work_dir}/grub.cfg" "${isofs_dir}/EFI/BOOT/grub.cfg" + + # edk2-shell based UEFI shell + # shellia32.efi is picked up automatically when on / + if [[ -e "${pacstrap_dir}/usr/share/edk2-shell/ia32/Shell_Full.efi" ]]; then + install -m 0644 -- "${pacstrap_dir}/usr/share/edk2-shell/ia32/Shell_Full.efi" \ + "${isofs_dir}/shellia32.efi" + fi + + _msg_info "Done!" +} + # Prepare system-boot for booting when written to a disk (isohybrid) _make_bootmode_uefi-x64.systemd-boot.esp() { local _file efiboot_imgsize @@ -530,13 +609,13 @@ _make_bootmode_uefi-x64.systemd-boot.esp() { fi done # Calculate the required FAT image size in bytes - efiboot_imgsize="$(du -bc \ - "${pacstrap_dir}/usr/lib/systemd/boot/efi/systemd-bootx64.efi" \ - "${pacstrap_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" \ - "${profile}/efiboot/" \ - "${pacstrap_dir}/boot/vmlinuz-"* \ - "${pacstrap_dir}/boot/initramfs-"*".img" \ - "${_available_ucodes[@]}" \ + efiboot_files+=("${pacstrap_dir}/usr/lib/systemd/boot/efi/systemd-bootx64.efi" + "${pacstrap_dir}/usr/share/edk2-shell/x64/Shell_Full.efi" + "${profile}/efiboot/" + "${pacstrap_dir}/boot/vmlinuz-"* + "${pacstrap_dir}/boot/initramfs-"*".img" + "${_available_ucodes[@]}") + efiboot_imgsize="$(du -bc "${efiboot_files[@]}" \ 2>/dev/null | awk 'END { print $1 }')" # Create a FAT image for the EFI system partition _make_efibootimg "$efiboot_imgsize" @@ -691,6 +770,20 @@ _validate_requirements_bootmode_uefi-x64.systemd-boot.eltorito() { _validate_requirements_bootmode_uefi-x64.systemd-boot.esp } +_validate_requirements_bootmode_uefi-ia32.grub.esp() { + # Check if GRUB is available + if ! command -v grub-mkstandalone &> /dev/null; then + (( validation_error=validation_error+1 )) + _msg_error "Validating '${bootmode}': grub-install is not available on this host. Install 'grub'!" 0 + fi + _validate_requirements_bootmode_uefi-x64.systemd-boot.esp +} + +_validate_requirements_bootmode_uefi-ia32.grub.eltorito() { + # uefi-ia32.grub.eltorito has the exact same requirements as uefi-ia32.grub.esp + _validate_requirements_bootmode_uefi-ia32.grub.esp +} + # Build airootfs filesystem image _prepare_airootfs_image() { _run_once "_mkairootfs_${airootfs_image_type}" @@ -909,6 +1002,22 @@ _add_xorrisofs_options_bios.syslinux.mbr() { ) } +# GRUB in an attached EFI system partition +_add_xorrisofs_options_uefi-ia32.grub.esp() { + # shellcheck disable=SC2076 + if [[ ! " ${bootmodes[*]} " =~ ' uefi-x64.systemd-boot.esp ' ]]; then + _add_xorrisofs_options_uefi-x64.systemd-boot.esp + fi +} + +# GRUB via El Torito +_add_xorrisofs_options_uefi-ia32.grub.eltorito() { + # shellcheck disable=SC2076 + if [[ ! " ${bootmodes[*]} " =~ ' uefi-x64.systemd-boot.eltorito ' ]]; then + _add_xorrisofs_options_uefi-x64.systemd-boot.eltorito + fi +} + # systemd-boot in an attached EFI system partition _add_xorrisofs_options_uefi-x64.systemd-boot.esp() { # Move the first partition away from the start of the ISO, otherwise the GPT will not be valid and ISO 9660 @@ -923,7 +1032,7 @@ _add_xorrisofs_options_uefi-x64.systemd-boot.esp() { # A valid GPT prevents BIOS booting on some systems, instead use an invalid GPT (without a protective MBR). # The attached partition will have the EFI system partition type code in MBR, but in the invalid GPT it will # have a Microsoft basic partition type code. - if [[ ! " ${bootmodes[*]} " =~ ' uefi-x64.systemd-boot.eltorito ' ]]; then + if [[ ! " ${bootmodes[*]} " =~ ' uefi-x64.systemd-boot.eltorito ' && ! " ${bootmodes[*]} " =~ ' uefi-ia32.grub.eltorito ' ]]; then # If '-isohybrid-gpt-basdat' is specified before '-e', then the appended EFI system partition will have the # EFI system partition type ID/GUID in both MBR and GPT. If '-isohybrid-gpt-basdat' is specified after '-e', # the appended EFI system partition will have the Microsoft basic data type GUID in GPT. @@ -940,7 +1049,7 @@ _add_xorrisofs_options_uefi-x64.systemd-boot.esp() { # systemd-boot via El Torito _add_xorrisofs_options_uefi-x64.systemd-boot.eltorito() { # shellcheck disable=SC2076 - if [[ " ${bootmodes[*]} " =~ ' uefi-x64.systemd-boot.esp ' ]]; then + if [[ " ${bootmodes[*]} " =~ ' uefi-x64.systemd-boot.esp ' || " ${bootmodes[*]} " =~ ' uefi-ia32.grub.esp ' ]]; then # systemd-boot in an attached EFI system partition via El Torito xorrisofs_options+=( # Start a new El Torito boot entry for UEFI |