system/microcode_ctl: Added to 12.1 repository
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Intel Microcode Update Utility for Linux
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The microcode_ctl utility is a companion to the IA32 microcode driver written
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by Tigran Aivazian <tigran@aivazian.fsnet.co.uk>. The utility has two uses:
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* It decodes and sends new microcode to the kernel driver to be uploaded
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to Intel IA32 processors. (Pentium Pro, PII, PIII, Pentium 4, Celeron,
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Xeon etc - all P6 and above, which does NOT include pentium classics).
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It also supports processors of the x86_64 architecture.
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* It signals the kernel driver to release any buffers it may hold.
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The microcode update is volatile and needs to be uploaded on each system
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boot i.e. it doesn't reflash your cpu permanently, reboot and it reverts
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back to the old microcode.
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To use this utility you need to compile the kernel driver (found under
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"Processor type and features"). The microcode itself can be found at
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http://downloadcenter.intel.com/default.aspx and should be placed under
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/etc/microcode.dat You probably want to have your microcode updated
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each time the system boots, then call "/usr/sbin/microcode_ctl -u" from
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/etc/rc.d/rc.local
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#!/bin/sh
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# Slackware build script for microcode_ctl
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# Author: Andrzej Telszewski <atelszewski@gmail.com>
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PRGNAM=microcode_ctl
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VERSION=1.17
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ARCH=${ARCH:-i486}
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BUILD=${BUILD:-1}
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TAG=${TAG:-_SBo}
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CWD=$(pwd)
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TMP=${TMP:-/tmp/SBo}
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PKG=$TMP/package-$PRGNAM
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OUTPUT=${OUTPUT:-/tmp}
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set -e # Exit on most errors
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rm -rf $PKG
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mkdir -p $TMP $PKG $OUTPUT
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cd $TMP
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rm -rf $PRGNAM-$VERSION
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tar xvf $CWD/$PRGNAM-$VERSION.tar.gz || exit 1
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cd $PRGNAM-$VERSION
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chown -R root:root .
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chmod -R u+w,go+r-w,a-s .
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make || exit 1
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strip --strip-unneeded microcode_ctl
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mkdir -p $PKG/usr/{sbin,man/man8,doc/$PRGNAM-$VERSION}
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cp microcode_ctl $PKG/usr/sbin
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cp microcode_ctl.8 $PKG/usr/man/man8
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gzip -9f $PKG/usr/man/man8/microcode_ctl.8
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cp Changelog README $PKG/usr/doc/$PRGNAM-$VERSION
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mkdir $PKG/install
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cat $CWD/slack-desc > $PKG/install/slack-desc
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cat $CWD/$PRGNAM.SlackBuild > $PKG/usr/doc/$PRGNAM-$VERSION/$PRGNAM.SlackBuild
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cd $PKG
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/sbin/makepkg -l y -c n $OUTPUT/$PRGNAM-$VERSION-$ARCH-$BUILD$TAG.tgz
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PRGNAM="microcode_ctl"
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VERSION="1.17"
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HOMEPAGE="http://www.urbanmyth.org/microcode/"
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DOWNLOAD="http://www.urbanmyth.org/microcode/microcode_ctl-1.17.tar.gz"
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MD5SUM="98a7f06acef8459c8ef2a1b0fb86a99e"
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MAINTAINER="Andrzej Telszewski"
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EMAIL="atelszewski@gmail.com"
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APPROVED="dsomero"
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# HOW TO EDIT THIS FILE:
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# The "handy ruler" below makes it easier to edit a package description. Line
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# up the first '|' above the ':' following the base package name, and the '|'
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# on the right side marks the last column you can put a character in. You must
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# make exactly 11 lines for the formatting to be correct. It's also
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# customary to leave one space after the ':'.
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|-----handy-ruler------------------------------------------------------|
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microcode_ctl: microcode_ctl (microcode update utility)
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microcode_ctl:
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microcode_ctl: The microcode_ctl utility is a companion to the IA32 microcode driver
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microcode_ctl: written by Tigran Aivazian <tigran@aivazian.fsnet.co.uk>. The utility
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microcode_ctl: has two uses:
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microcode_ctl: - it decodes and sends new microcode to the kernel driver to be
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microcode_ctl: uploaded to Intel IA32 processors
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microcode_ctl: - it signals the kernel driver to release any buffers it may hold
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microcode_ctl:
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microcode_ctl:
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microcode_ctl: http://www.urbanmyth.org/microcode/
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