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#!/bin/ksh
# This file and its contents are supplied under the terms of the
# Common Development and Distribution License ("CDDL"), version 1.0.
# You may only use this file in accordance with the terms of version
# 1.0 of the CDDL.
#
# A full copy of the text of the CDDL should have accompanied this
# source. A copy of the CDDL is also available via the Internet at
# http://www.illumos.org/license/CDDL.
# Copyright 2022 OmniOS Community Edition (OmniOSce) Association.
# Copyright 2019 Joyent, Inc.
# A simple update script that extracts an Intel microcode download file
# into the intel/ directory, and updates the hardlinks in the
# system/kernel/platform manifest.
function errexit {
echo "$@" >&2
exit 1
}
[[ -n "$1" && -f "$1" ]] || errexit "Syntax: $0 <path to microcode tar>"
ucodetar="$1"
FW=platform/i86pc/ucode/GenuineIntel
LINKSF=intel/Makefile.links
export LC_ALL=C.UTF-8
set -e
set -o pipefail
mf=../../pkg/manifests/system-microcode-intel.p5m
[[ -f $mf ]] || errexit "Run from usr/src/data/ucode"
function find_cmd {
typeset cmd="$1"
typeset var=$(echo $cmd | tr '[:lower:]' '[:upper:]')
typeset -n path="$var"
path=$(whence -fp "$cmd")
if (($? != 0)) || [ ! -x "$path" ]; then
errexit "Cannot find executable '$cmd' in PATH"
fi
}
# This script uses a few commands which are not part of illumos and are
# expected to be available in the path.
find_cmd gtar
find_cmd pkgfmt
# Search for 'ucodeadm'. If you need to use an updated ucodeadm to handle this
# firmware update, as is occasionally necessary, ensure it occurs earlier in
# the path than /usr/sbin.
find_cmd ucodeadm
tmp=$(mktemp -d)
[[ -n "$tmp" && -d "$tmp" ]]
mkdir $tmp/out || errexit "Failed to create temporary directory"
trap 'rm -rf $tmp' EXIT
# The distributed microcode archive uses GNU extensions
$GTAR -C $tmp -xvf "$ucodetar"
path=$({ cd $tmp; echo Intel-Linux-Processor-Microcode-Data*; })
ver=${path##*-}
echo "** Updating to microcode version $ver"
find $tmp/$path/intel-ucode*/ -type f | while read f; do
echo "Converting $(basename $f)"
cp $f $tmp/intel-fw
$UCODEADM -i -R $tmp/out $tmp/intel-fw
rm -f $tmp/intel-fw
done
$PKGFMT -u $mf
mv $mf $mf.tmp
egrep -v "(file|hardlink) path=$FW" $mf.tmp > $mf
rm -f $mf.tmp
rm -f intel/*-*
cp $tmp/$path/license intel/THIRDPARTYLICENSE
echo Intel Processor Microcode Data Files > intel/THIRDPARTYLICENSE.descrip
rm -f $LINKSF
typeset -A seen
typeset -A inodes
typeset -A links
for f in $tmp/out/*; do
bf=$(basename $f)
[[ -n "${seen[$bf]}" ]] && continue
inode=$(stat -c %i $f)
if [[ -n "${inodes[$inode]}" ]]; then
links[$bf]=${inodes[$inode]}
else
inodes[$inode]=$bf
cp $f intel/$bf
fi
seen[$bf]=1
done
for f in intel/*; do
bf=$(basename $f)
[[ $bf = THIRDPARTYLICENSE* ]] && continue
[[ $bf = Makefile* ]] && continue
echo "file path=$FW/$bf group=sys mode=0444 reboot-needed=true" >> $mf
done
(
sed '/^$/q' < ../../prototypes/prototype.Makefile
echo 'INTEL_LINKS = \'
for i in "${!links[@]}"; do
echo "\t$i \\"
done | sed '$s/ .*//'
echo
) > $LINKSF
for i in "${!links[@]}"; do
echo "hardlink path=$FW/$i target=${links[$i]}" >> $mf
cat << EOM >> $LINKSF
\$(ROOTINTELDIR)/$i: \$(ROOTINTELDIR)/${links[$i]}
\$(RM) \$@; \$(LN) \$^ \$@
EOM
done
sed -i "/pkg.fmri.*microcode\/intel@/s/@[0-9]*/@$ver/" $mf
$PKGFMT -fv2 $mf
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