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-rw-r--r--src/cpu/intel/microcode/update-microcodes.sh107
1 files changed, 107 insertions, 0 deletions
diff --git a/src/cpu/intel/microcode/update-microcodes.sh b/src/cpu/intel/microcode/update-microcodes.sh
new file mode 100644
index 0000000000..61a673679b
--- /dev/null
+++ b/src/cpu/intel/microcode/update-microcodes.sh
@@ -0,0 +1,107 @@
+#!/bin/bash
+#
+# This file is part of the coreboot project.
+#
+# Copyright (C) 2007-2010 coresystems GmbH
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; version 2 of the License.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#
+
+MICROCODE_VERSION=20100209
+MICROCODE_ARCHIVE=microcode-$MICROCODE_VERSION.tgz
+MICROCODE_FILE=microcode-$MICROCODE_VERSION.dat
+INTEL_MICROCODE=http://downloadmirror.intel.com/18683/eng/$MICROCODE_ARCHIVE
+
+#
+# Getting Intel(R) Microcode
+#
+
+get_microcode() {
+ printf "Getting microcode...\n"
+ wget -nv $INTEL_MICROCODE
+ tar xzf $MICROCODE_ARCHIVE
+}
+
+#
+# Creating separate files per microcode
+#
+
+separate_microcode() {
+ printf "Separating microcode...\n"
+ csplit -s -n4 -k microcode-20100209.dat '/^\/\*.*\.inc.*\*\//' '{500}' 2> /dev/null
+ mv xx0000 header.inc
+ perl -pi -e 's,\ \ \ \ \ \ \ ,\ ,' header.inc
+ perl -pi -e 's,^,/,g' header.inc
+ perl -pi -e 's,^//\*,/\*,' header.inc
+ for i in xx????; do
+ name="`head -1 $i`"
+ name=${name%??}
+ name=${name:2}
+ name=$( echo $name )
+ name=microcode-${name%.inc}.h
+ cat header.inc $i > $name
+ done
+ rm -f xx???? header.inc
+}
+
+#
+# Dump CPUIDs from all separated files
+#
+
+dump_cpuids() {
+ ls -1 microcode-*.h | while read F; do
+ CPUID="$( echo $( head -36 $F |tail -1|cut -d, -f4|sed s,0x,, ) | sed 's/0*//')"
+ echo "$CPUID:$F"
+ done
+}
+
+#
+# Move microcode to target positions
+#
+
+move_microcode() {
+ printf "Moving microcode...\n"
+ dump_cpuids | sort | while read N; do
+ ID=$( echo $N | cut -d: -f1 )
+ F=$( echo $N | cut -d: -f2 )
+
+ if [ -d ../model_$ID ]; then
+ echo "Model: $ID Microcode: $F"
+ mv $F ../model_$ID/$F
+ else
+ ID2=${ID%?}x
+ if [ -d ../model_$ID2 ]; then
+ echo "Model: $ID($ID2) Microcode: $F (copied)"
+ mv $F ../model_$ID2/$F
+ else
+ ID1=${ID%??}xx
+ if [ -d ../model_$ID1 ]; then
+ echo "Model: $ID($ID1) Microcode: $F (copied)"
+ mv $F ../model_$ID1/$F
+ else
+ echo "Model: $ID Microcode: $F (erased)"
+ rm -f $F
+ fi
+ fi
+ fi
+ done
+}
+
+get_microcode
+separate_microcode
+move_microcode
+
+rm -f $MICROCODE_ARCHIVE
+rm -f $MICROCODE_FILE
+