Import EFI patch by cjwatson

This commit is contained in:
Colin Watson 2010-08-30 21:00:48 +02:00 committed by Vladimir 'phcoder' Serbinenko
parent 6c2111e96c
commit 861d5b5c72

View file

@ -24,6 +24,7 @@ exec_prefix=@exec_prefix@
sbindir=@sbindir@
bindir=@bindir@
libdir=@libdir@
sysconfdir=@sysconfdir@
PACKAGE_NAME=@PACKAGE_NAME@
PACKAGE_TARNAME=@PACKAGE_TARNAME@
PACKAGE_VERSION=@PACKAGE_VERSION@
@ -56,6 +57,9 @@ update_nvram=yes
ofpathname=`which ofpathname`
nvsetenv=`which nvsetenv`
efibootmgr=`which efibootmgr 2>/dev/null || true`
removable=no
efi_quiet=
if [ "${target_cpu}-${platform}" = "i386-pc" ] ; then
disk_module=biosdisk
@ -103,6 +107,11 @@ if [ "${target_cpu}-${platform}" = "i386-ieee1275" ] || [ "${target_cpu}-${platf
cat <<EOF
--no-nvram don't update the boot-device NVRAM variable
EOF
fi
if [ "${platform}" = "efi" ]; then
cat <<EOF
--removable the installation device is removable
EOF
fi
cat <<EOF
@ -188,6 +197,8 @@ do
no_floppy="--no-floppy" ;;
--recheck)
recheck=yes ;;
--removable)
removable=yes ;;
--disk-module)
if [ "${target_cpu}-${platform}" = "i386-pc" ] ; then
@ -241,6 +252,7 @@ setup_verbose=
if test $debug = yes; then
set -x
setup_verbose="--verbose"
efi_quiet=-q
fi
# Initialize these directories here, since ROOTDIR was initialized.
@ -488,6 +500,126 @@ elif [ "${target_cpu}-${platform}" = "i386-ieee1275" ] || [ "${target_cpu}-${pla
exit 1
}
fi
elif [ x"$platform" = xefi ]; then
# Get GRUB_DISTRIBUTOR.
if test -f ${sysconfdir}/default/grub ; then
. ${sysconfdir}/default/grub
fi
# Find the EFI System Partition.
efidir=
if test -d ${bootdir}/efi; then
install_device=`$grub_mkdevicemap --device-map=/dev/stdout | $grub_probe --target=device --device-map=/dev/stdin ${bootdir}/efi`
# Is it a mount point?
if test "x$install_device" != "x`$grub_mkdevicemap --device-map=/dev/stdout | $grub_probe --target=device --device-map=/dev/stdin ${bootdir}`"; then
efidir=${bootdir}/efi
fi
elif test -n "$rootdir" && test "x$rootdir" != "x/"; then
# The EFI System Partition may have been given directly using
# --root-directory.
install_device=`$grub_mkdevicemap --device-map=/dev/stdout | $grub_probe --target=device --device-map=/dev/stdin ${rootdir}`
# Is it a mount point?
if test "x$install_device" != "x`$grub_mkdevicemap --device-map=/dev/stdout | $grub_probe --target=device --device-map=/dev/stdin ${rootdir}/..`"; then
efidir=${rootdir}
fi
fi
if test -n "$efidir"; then
efi_fs=`$grub_probe --target=fs --device-map=${device_map} ${efidir}`
if test "x$efi_fs" = xfat; then :; else
echo "${efidir} doesn't look like an EFI partition." 1>&2
efidir=
fi
fi
if test -n "$efidir"; then
# The EFI specification requires that an EFI System Partition must
# contain an "EFI" subdirectory, and that OS loaders are stored in
# subdirectories below EFI. Vendors are expected to pick names that do
# not collide with other vendors. To minimise collisions, we use the
# name of our distributor if possible.
if test $removable = yes; then
# The specification makes stricter requirements of removable
# devices, in order that only one image can be automatically loaded
# from them. The image must always reside under /EFI/BOOT, and it
# must have a specific file name depending on the architecture.
efi_distributor=BOOT
case "$target_cpu" in
i386)
efi_file=BOOTIA32.EFI ;;
x86-64)
efi_file=BOOTX64.EFI ;;
# GRUB does not yet support these architectures, but they're defined
# by the specification so we include them here to ease future
# expansion.
ia64)
efi_file=BOOTIA64.EFI ;;
esac
else
efi_distributor="$(echo "$GRUB_DISTRIBUTOR" | tr '[A-Z]' '[a-z]' | cut -d' ' -f1)"
if test -z "$efi_distributor"; then
efi_distributor=grub
fi
# It is convenient for each architecture to have a different
# efi_file, so that different versions can be installed in parallel.
case "$target_cpu" in
i386)
efi_file=grubia32.efi ;;
x86-64)
efi_file=grubx64.efi ;;
# GRUB does not yet support these architectures, but they're defined
# by the specification so we include them here to ease future
# expansion.
ia64)
efi_file=grubia64.efi ;;
*)
efi_file=grub.efi ;;
esac
# TODO: We should also use efibootmgr, if available, to add a Boot
# entry for ourselves.
fi
efidir="$efidir/EFI/$efi_distributor"
mkdir -p "$efidir" || exit 1
else
# We don't know what's going on. Fall back to traditional
# (non-specification-compliant) behaviour.
efidir="$grubdir"
efi_distributor=
efi_file=grub.efi
fi
cp ${grubdir}/core.${imgext} ${efidir}/${efi_file}
# Try to make this image bootable using the EFI Boot Manager, if available.
if test "$removable" = no && test -n "$efi_distributor" && \
test -n "$efibootmgr"; then
# On Linux, we need the efivars kernel modules.
case "$host_os" in
linux*)
modprobe -q efivars 2>/dev/null || true ;;
esac
# Delete old entries from the same distributor.
for bootnum in `efibootmgr | grep '^Boot[0-9]' | \
fgrep " $efi_distributor" | cut -b5-8`; do
efibootmgr $efi_quiet -b "$bootnum" -B
done
# Add a new entry for the image we just created. efibootmgr needs to be
# given the disk device and partition number separately, so we have to
# fiddle about with grub-probe to get hold of this reasonably reliably.
# Use fresh device map text to avoid any problems with stale data, since
# all we need here is a one-to-one mapping.
clean_devmap="$($grub_mkdevicemap --device-map=/dev/stdout)"
efidir_drive="$(echo "$clean_devmap" | $grub_probe --target=drive --device-map=/dev/stdin "$efidir")"
if test -z "$efidir_drive"; then
echo "Can't find GRUB drive for $efidir; unable to create EFI Boot Manager entry." >&2
else
efidir_disk="$(echo "$clean_devmap" | grep "^$(echo "$efidir_drive" | sed 's/,[^)]*//')" | cut -f2)"
efidir_part="$(echo "$efidir_drive" | sed 's/^([^,]*,[^0-9]*//; s/[^0-9].*//')"
efibootmgr $efi_quiet -c -d "$efidir_disk" -p "$efidir_part" -w \
-L "$GRUB_DISTRIBUTOR" -l "\\EFI\\$efi_distributor\\$efi_file"
fi
fi
fi
echo "Installation finished. No error reported."