diff options
Diffstat (limited to 'debian/build-efi-images')
| -rwxr-xr-x | debian/build-efi-images | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/debian/build-efi-images b/debian/build-efi-images new file mode 100755 index 0000000..d2d0d95 --- /dev/null +++ b/debian/build-efi-images @@ -0,0 +1,275 @@ +#! /bin/sh +set -e + +# Copyright (C) 2010, 2011, 2012 Canonical Ltd. +# Author: Colin Watson <cjwatson@ubuntu.com> +# +# This program is free software; you can redistribute it and/or modify it +# under the terms of the GNU General Public License as published by the Free +# Software Foundation; either version 2, or (at your option) any later +# version. +# +# This program is distributed in the hope that it will be useful, but +# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +# for more details. +# +# You should have received a copy of the GNU General Public License along +# with this program; if not, write to the Free Software Foundation, Inc., +# 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. + +# Make EFI boot images for signing. + +if [ $# -lt 7 ]; then + echo "usage: $0 GRUB-MKIMAGE GRUB-CORE OUTPUT-DIRECTORY DEB-ARCH PLATFORM EFI-NAME SBAT-CSV [EFI-VENDOR]" +fi + +grub_mkimage="$1" +grub_core="$2" +outdir="$3" +deb_arch="$4" +platform="$5" +efi_name="$6" +sbat_csv="$7" +efi_vendor="${8:-$(dpkg-vendor --query vendor | tr '[:upper:]' '[:lower:]')}" + +# mkfs.msdos may not be on the default PATH. +export PATH="$PATH:/sbin:/usr/sbin" + +workdir= + +cleanup () { + [ -z "$workdir" ] || rm -rf "$workdir" +} +trap cleanup EXIT HUP INT QUIT TERM + +# Return the number of 1KiB blocks needed to store a file in the +# memdisk, with an extra block for the directory entry +rounded_size () { + BLOCK_SIZE=1024 + size=$(stat -c %s $1) + rounded=$(( ( ($size + $BLOCK_SIZE - 1) / $BLOCK_SIZE) + 1)) + echo "Adding $rounded blocks to memdisk for $1" >&2 + echo $rounded +} + +rm -rf "$outdir" +mkdir -p "$outdir" + +workdir="$(mktemp -d build-efi-images.XXXXXX)" + +# GRUB's rescue parser doesn't understand 'if'. +echo 'normal (memdisk)/grub.cfg' >"$workdir/grub-bootstrap.cfg" + +# Skeleton configuration file which finds the real boot disk. +cat >"$workdir/grub.cfg" <<EOF +if [ -z "\$prefix" -o ! -e "\$prefix" ]; then + if ! search --file --set=root /.disk/info; then + search --file --set=root /.disk/mini-info + fi + set prefix=(\$root)/boot/grub +fi +if [ -e \$prefix/$platform/grub.cfg ]; then + source \$prefix/$platform/grub.cfg +elif [ -e \$prefix/grub.cfg ]; then + source \$prefix/grub.cfg +else + source \$cmdpath/grub.cfg +fi +EOF + +cat >"$workdir/grub-netboot.cfg" <<EOF +if [ -e \$prefix/$platform/grub.cfg ]; then + source \$prefix/$platform/grub.cfg +else + source \$prefix/grub.cfg +fi +EOF + +# Calculate the size of the embedded filesystem needed +FATFS_SIZE=64 # 64KiB for the embedded grub.cfg and the metadata + +# Only copy in unicode.pf2 for now, we don't want the binary images +# too large +FONTS=$grub_core/../unicode.pf2 +for FONT in $FONTS; do + FATFS_SIZE=$(($FATFS_SIZE + $(rounded_size $FONT))) +done + +mkfs.msdos -C "$workdir/memdisk.fat" $FATFS_SIZE +mcopy -i "$workdir/memdisk.fat" "$workdir/grub.cfg" ::grub.cfg +mmd -i "$workdir/memdisk.fat" ::fonts +for FONT in $FONTS; do + mcopy -i "$workdir/memdisk.fat" "$FONT" ::fonts/$(basename $FONT) +done +# Let's show what's here so we have it in build logs +mdir -/ -i "$workdir/memdisk.fat" + +mkfs.msdos -C "$workdir/memdisk-netboot.fat" $FATFS_SIZE +mcopy -i "$workdir/memdisk-netboot.fat" "$workdir/grub-netboot.cfg" ::grub.cfg +mmd -i "$workdir/memdisk-netboot.fat" ::fonts +for FONT in $FONTS; do + mcopy -i "$workdir/memdisk-netboot.fat" "$FONT" ::fonts/$(basename $FONT) +done +# Let's show what's here so we have it in build logs +mdir -/ -i "$workdir/memdisk.fat" + +CD_MODULES=" + all_video + boot + btrfs + cat + chain + configfile + echo + efifwsetup + efinet + ext2 + fat + font + f2fs + gettext + gfxmenu + gfxterm + gfxterm_background + gzio + halt + help + hfsplus + iso9660 + jfs + jpeg + keystatus + loadenv + loopback + linux + ls + lsefi + lsefimmap + lsefisystab + lssal + memdisk + minicmd + normal + ntfs + part_apple + part_msdos + part_gpt + password_pbkdf2 + png + probe + reboot + regexp + search + search_fs_uuid + search_fs_file + search_label + sleep + squash4 + test + true + video + xfs + zfs + zfscrypt + zfsinfo + " + +# Platform-specific modules +case $platform in + x86_64-efi|i386-efi) + CD_MODULES="$CD_MODULES + cpuid + linuxefi + play + tpm + " + ;; +esac + +GRUB_MODULES="$CD_MODULES + cryptodisk + gcry_arcfour + gcry_blowfish + gcry_camellia + gcry_cast5 + gcry_crc + gcry_des + gcry_dsa + gcry_idea + gcry_md4 + gcry_md5 + gcry_rfc2268 + gcry_rijndael + gcry_rmd160 + gcry_rsa + gcry_seed + gcry_serpent + gcry_sha1 + gcry_sha256 + gcry_sha512 + gcry_tiger + gcry_twofish + gcry_whirlpool + luks + lvm + mdraid09 + mdraid1x + raid5rec + raid6rec + " +NET_MODULES="$CD_MODULES + tftp + " + +# CD boot image +echo "Including modules $CD_MODULES in $outdir/gcd$efi_name.efi" +"$grub_mkimage" \ + -O "$platform" \ + -o "$outdir/gcd$efi_name.efi" \ + -c "$workdir/grub-bootstrap.cfg" \ + -d "$grub_core" \ + -m "$workdir/memdisk.fat" \ + -p /boot/grub \ + --sbat "$sbat_csv" \ + $CD_MODULES + +# Normal disk boot image +echo "Including modules $GRUB_MODULES in $outdir/grub$efi_name.efi" +"$grub_mkimage" \ + -O "$platform" \ + -o "$outdir/grub$efi_name.efi" \ + -c "$workdir/grub-bootstrap.cfg" \ + -d "$grub_core" \ + -m "$workdir/memdisk.fat" \ + -p "/EFI/$efi_vendor" \ + --sbat "$sbat_csv" \ + $GRUB_MODULES + +# Normal network boot image +echo "Including modules $NET_MODULES in $outdir/grubnet$efi_name.efi" +"$grub_mkimage" \ + -O "$platform" \ + -o "$outdir/grubnet$efi_name.efi" \ + -c "$workdir/grub-bootstrap.cfg" \ + -d "$grub_core" \ + -m "$workdir/memdisk-netboot.fat" \ + -p /grub \ + --sbat "$sbat_csv" \ + $NET_MODULES + +# Special network boot image for d-i to use. Just the same as the +# normal network boot image, but with a different value baked in for +# the prefix setting +echo "Including modules $NET_MODULES in $outdir/grubnet$efi_name-installer.efi" +"$grub_mkimage" \ + -O "$platform" \ + -o "$outdir/grubnet$efi_name-installer.efi" \ + -c "$workdir/grub-bootstrap.cfg" \ + -d "$grub_core" \ + -m "$workdir/memdisk-netboot.fat" \ + -p "/${efi_vendor}-installer/$deb_arch/grub" \ + --sbat "$sbat_csv" \ + $NET_MODULES + +exit 0 |