90 lines
2.6 KiB
Perl
90 lines
2.6 KiB
Perl
# needrestart - Restart daemons after library updates.
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#
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# Authors:
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# Thomas Liske <thomas@fiasko-nw.net>
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#
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# Copyright Holder:
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# 2013 - 2022 (C) Thomas Liske [http://fiasko-nw.net/~thomas/]
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#
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# License:
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this package; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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package NeedRestart::uCode::Intel;
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use strict;
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use warnings;
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use NeedRestart::uCode;
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use NeedRestart::Utils;
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use POSIX qw(uname);
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use Locale::TextDomain 'needrestart';
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use constant { NRM_INTEL_HELPER => q(/usr/lib/needrestart/iucode-scan-versions),
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};
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my $LOGPREF = '[uCode/Intel]';
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sub nr_ucode_init {
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my ( $sysname, $nodename, $release, $version, $machine ) = uname;
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my $is_x86 = ( $machine =~ /^(i\d86|x86_64)$/ );
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die "$LOGPREF Not running on x86!\n" unless ($is_x86);
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die "$LOGPREF iucode-tool not available!\n" unless (`which iucode_tool`);
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}
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my $_avail;
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sub nr_ucode_check_real {
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my $debug = shift;
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my $ui = shift;
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my $info = shift;
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my %vars;
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# get current microcode revision
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if ( defined( $info->{microcode} ) ) {
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$vars{CURRENT} = sprintf( "0x%04x", hex( $info->{microcode} ) );
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print STDERR
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"$LOGPREF #$info->{processor} current revision: $vars{CURRENT}\n"
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if ($debug);
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}
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else {
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print STDERR
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"$LOGPREF #$info->{processor} current microcode revision not found in /proc/cpuinfo: $!\n"
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if ($debug);
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return %vars;
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}
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# find and cache microcode updates
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unless ( defined($_avail) ) {
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my $fh = nr_fork_pipe( $debug, NRM_INTEL_HELPER, $debug );
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while (<$fh>) {
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if (/\s*\d+(\/\d+)?: sig.+, rev (0x[\da-f]+),/) {
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$_avail = sprintf( "0x%04x", hex($2) );
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print STDERR
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"$LOGPREF #$info->{processor} available revision: $2\n"
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if ($debug);
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next;
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}
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}
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close($fh);
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}
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$vars{AVAIL} = $_avail if ( defined($_avail) );
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return %vars;
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}
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1;
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