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UEFI: use uppercase EFI directory name for Tianocore 

The Tianocore reference UEFI implementation, used for example by Qemu,
wants the EFI directory name to be uppercase in the fat32 partition
when Secure Boot is enabled, and will fail to load otherwise.
This commit is contained in:
Luca Boccassi 2018-02-27 19:30:19 +00:00
parent 035518ff69
commit aa1ae83854
1 changed files with 20 additions and 18 deletions
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38
scripts/build/binary_grub-efi
View File

@ -157,14 +157,16 @@ gen_efi_boot_img(){
local netboot_prefix="\$3"
local outdir="grub-efi-temp-\${platform}"
"\${LIVE_BUILD_PATH}/efi-image" "${_CHROOT_DIR}/\$outdir" "\$platform" "\$efi_name" "\$netboot_prefix"
mkdir -p ${_CHROOT_DIR}/grub-efi-temp/efi/boot
mcopy -n -i ${_CHROOT_DIR}/\$outdir/efi.img '::efi/boot/boot*.efi' ${_CHROOT_DIR}/grub-efi-temp/efi/boot
mkdir -p ${_CHROOT_DIR}/grub-efi-temp/EFI/boot
mcopy -n -i ${_CHROOT_DIR}/\$outdir/efi.img '::efi/boot/boot*.efi' ${_CHROOT_DIR}/grub-efi-temp/EFI/boot
cp -r "${_CHROOT_DIR}"/\$outdir/* "${_CHROOT_DIR}/grub-efi-temp/"
# Secure Boot support:
# - create the EFI directory in the ESP with uppercase letters to make
# certain firmwares (eg: TianoCore) happy
# - use shim as the boot<arch>.efi that gets loaded first by the firmware
# - drop a grub.cfg (same reason as below) in the cfg directory as configured
# by the signed grub efi binary creation. At the moment that is efi/debian
# by the signed grub efi binary creation. At the moment that is EFI/debian
# as set by grub2/debian/build-efi-images and cannot be changed without
# rebuilding grub2
# - the source paths are taken from shim-signed:
@ -175,11 +177,11 @@ gen_efi_boot_img(){
if [ -r ${_CHROOT_DIR}/usr/lib/grub/\$platform-signed/grub\$efi_name.efi.signed -a \
-r ${_CHROOT_DIR}/usr/lib/shim/shim\$efi_name.efi.signed -a \
"${LB_UEFI_SECURE_BOOT}" != "disable" ]; then
mkdir -p ${_CHROOT_DIR}/grub-efi-temp/efi/debian
mkdir -p ${_CHROOT_DIR}/grub-efi-temp/EFI/debian
cp ${_CHROOT_DIR}/usr/lib/grub/\$platform-signed/grub\$efi_name.efi.signed \
${_CHROOT_DIR}/grub-efi-temp/efi/boot/grub\$efi_name.efi
${_CHROOT_DIR}/grub-efi-temp/EFI/boot/grub\$efi_name.efi
cp ${_CHROOT_DIR}/usr/lib/shim/shim\$efi_name.efi.signed \
${_CHROOT_DIR}/grub-efi-temp/efi/boot/boot\$efi_name.efi
${_CHROOT_DIR}/grub-efi-temp/EFI/boot/boot\$efi_name.efi
fi
}
@ -230,35 +232,35 @@ EOF
# the case of a multi-arch amd64/i386 image
size=0
for file in ${_CHROOT_DIR}/grub-efi-temp/efi/boot/*.efi \
for file in ${_CHROOT_DIR}/grub-efi-temp/EFI/boot/*.efi \
${_CHROOT_DIR}/grub-efi-temp-cfg/grub.cfg; do
size=\$((\$size + \$(stat -c %s "\$file")))
done
# directories: efi efi/boot boot boot/grub
# directories: EFI EFI/boot boot boot/grub
size=\$((\$size + 4096 * 4))
# efi/debian and additional grub.cfg
if [ -d ${_CHROOT_DIR}/grub-efi-temp/efi/debian ]; then
# EFI/debian and additional grub.cfg
if [ -d ${_CHROOT_DIR}/grub-efi-temp/EFI/debian ]; then
size=\$((\$size + 4096))
size=\$((\$size + \$(stat -c %s "${_CHROOT_DIR}/grub-efi-temp-cfg/grub.cfg")))
cp ${_CHROOT_DIR}/grub-efi-temp-cfg/grub.cfg \
${_CHROOT_DIR}/grub-efi-temp/efi/debian
${_CHROOT_DIR}/grub-efi-temp/EFI/debian
fi
blocks=\$(((\$size / 1024 + 55) / 32 * 32 ))
rm -f ${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img
mkfs.msdos -C "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" \$blocks >/dev/null
mmd -i "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" ::efi
mmd -i "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" ::efi/boot
mcopy -o -i "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" ${_CHROOT_DIR}/grub-efi-temp/efi/boot/*.efi \
"::efi/boot"
mmd -i "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" ::EFI
mmd -i "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" ::EFI/boot
mcopy -o -i "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" ${_CHROOT_DIR}/grub-efi-temp/EFI/boot/*.efi \
"::EFI/boot"
if [ -d ${_CHROOT_DIR}/grub-efi-temp/efi/debian ]; then
mmd -i "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" ::efi/debian
if [ -d ${_CHROOT_DIR}/grub-efi-temp/EFI/debian ]; then
mmd -i "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" ::EFI/debian
mcopy -o -i "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" \
${_CHROOT_DIR}/grub-efi-temp-cfg/grub.cfg "::efi/debian"
${_CHROOT_DIR}/grub-efi-temp-cfg/grub.cfg "::EFI/debian"
fi
mmd -i "${_CHROOT_DIR}/grub-efi-temp/boot/grub/efi.img" ::boot