xref: /illumos-gate/usr/src/data/ucode/update.intel (revision 55908bd7) 
1#!/bin/ksh
2
3# This file and its contents are supplied under the terms of the
4# Common Development and Distribution License ("CDDL"), version 1.0.
5# You may only use this file in accordance with the terms of version
6# 1.0 of the CDDL.
7#
8# A full copy of the text of the CDDL should have accompanied this
9# source. A copy of the CDDL is also available via the Internet at
10# http://www.illumos.org/license/CDDL.
11
12# Copyright 2018 OmniOS Community Edition (OmniOSce) Association.
13# Copyright 2019 Joyent, Inc.
14
15# A simple update script that extracts an Intel microcode download file
16# into the intel/ directory, and updates the hardlinks in the
17# system/kernel/platform manifest.
18
19set -e
20set -o pipefail
21
22[[ -z "$1" ]] || [[ ! -f "$1" ]] && {
23	echo "Syntax: $0 <path to microcode tar>" >&2
24	exit 1
25}
26
27ucodetar="$1"
28
29mf=../../pkg/manifests/system-kernel-platform.mf
30[[ -f $mf ]] || {
31	echo "Run from usr/src/data/ucode" 2>&1
32	exit 1
33}
34
35fw=platform/i86pc/ucode/GenuineIntel
36
37tmp=$(mktemp -d)
38mkdir $tmp/out
39
40gtar -C $tmp -xvf "$ucodetar"
41
42find $tmp/Intel-Linux-Processor-Microcode-Data*/intel-ucode*/ -type f \
43    | while read f; do
44	echo "Converting $(basename $f)"
45	cp $f $tmp/intel-fw
46	ucodeadm -i -R $tmp/out $tmp/intel-fw
47	rm -f $tmp/intel-fw
48done
49
50pkgfmt -u $mf
51mv $mf $mf.tmp
52egrep -v "(file|hardlink) path=$fw" $mf.tmp > $mf
53rm -f $mf.tmp
54
55rm -f intel/*
56rm -f Makefile.links
57
58typeset -A seen
59typeset -A inodes
60typeset -A links
61
62for f in $tmp/out/*; do
63	bf=$(basename $f)
64	[[ -n "${seen[$bf]}" ]] && continue
65	inode=$(stat -c %i $f)
66	if [[ -n "${inodes[$inode]}" ]]; then
67		links[$bf]=${inodes[$inode]}
68	else
69		inodes[$inode]=$bf
70		seen[$bf]=1
71		cp $f intel/$bf
72	fi
73	seen[$bf]=1
74done
75
76for f in intel/*; do
77	bf=$(basename $f)
78	echo "\$(i386_ONLY)file path=$fw/$bf group=sys mode=0444 reboot-needed=true" >> $mf
79done
80
81echo "INTEL_LINKS = ${!links[@]}" > Makefile.links
82echo >> Makefile.links
83
84for i in "${!links[@]}"; do
85	echo "\$(i386_ONLY)hardlink path=$fw/$i target=${links[$i]}" >> $mf
86	cat << EOM >> Makefile.links
87\$(ROOTINTELDIR)/$i: \$(ROOTINTELDIR)/${links[$i]}
88	\$(RM) \$@; \$(LN) \$^ \$@
89
90EOM
91done
92
93pkgfmt $mf
94
95rm -rf $tmp
96