Index: contrib/gem5/build-from-scratch.sh
===================================================================
--- contrib/gem5/build-from-scratch.sh	(revision 4e71a15bf071d643fd98eef62e833792847eec15)
+++ contrib/gem5/build-from-scratch.sh	(revision 4e71a15bf071d643fd98eef62e833792847eec15)
@@ -0,0 +1,122 @@
+#!/bin/bash
+
+#
+# Copyright (c) 2016 Jakub Jermar
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# - Redistributions of source code must retain the above copyright
+#   notice, this list of conditions and the following disclaimer.
+# - Redistributions in binary form must reproduce the above copyright
+#   notice, this list of conditions and the following disclaimer in the
+#   documentation and/or other materials provided with the distribution.
+# - The name of the author may not be used to endorse or promote products
+#   derived from this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+# IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+# OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+# IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+# NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+REPO="http://repo.gem5.org/gem5"
+OPENSPARC_TARBALL="OpenSPARCT1_Arch.1.5.tar.bz2"
+OPENSPARC_URL="http://download.oracle.com/technetwork/systems/opensparc/${OPENSPARC_TARBALL}"
+
+ARCHIVE_PREFIX="./S10image"
+BINARIES="1up-hv.bin 1up-md.bin nvram1 openboot.bin q.bin reset.bin"
+RENAMES="openboot.bin q.bin reset.bin"
+
+echo "==== Cloning gem5 repository ===="
+
+if [ ! -d gem5 ];
+then
+    hg clone ${REPO}
+else
+    echo "===== Directory gem5 already exists, skipping. ====="
+fi
+
+echo "==== Building gem5.fast (be patient, this may take a while) ===="
+
+if [ ! -e gem5/build/SPARC/gem5.fast ];
+then
+    (cd gem5; scons build/SPARC/gem5.fast --ignore-style -j 4)
+else
+    echo "===== SPARC emulator binary already exists, skipping. ====="
+fi
+
+echo "==== Building m5term ===="
+
+if [ ! -e gem5/util/term/m5term ];
+then
+    (cd gem5/util/term; make)
+else
+    echo "===== m5term binary already exists, skipping. ======"
+fi
+
+echo "==== Downloading OpenSPARC archive ===="
+
+if [ ! -f ${OPENSPARC_TARBALL} ]
+then
+    wget ${OPENSPARC_URL}
+else
+    echo "===== OpenSPARC archive already exists, skipping. ====="
+fi
+
+echo "==== Extracting OpenSPARC binaries ===="
+(
+    mkdir -p binaries;
+
+    BINLIST=""
+    for b in ${BINARIES};
+    do
+	if [ ! -f binaries/$b ];
+	then
+	    BINLIST+=${ARCHIVE_PREFIX}/$b" "
+	else
+	    echo "===== $b seems to be already extracted, skipping. ====="
+	fi
+    done
+
+    cd binaries
+
+    if [ "${BINLIST}x" != "x" ];
+    then
+	tar --strip-components=2 -xjf ../OpenSPARCT1_Arch.1.5.tar.bz2 ${BINLIST}
+    fi
+
+    for r in ${RENAMES};
+    do
+	NNAME=`basename $r .bin`_new.bin
+	if [ ! -f ${NNAME} ];
+	then
+	    ln -s $r ${NNAME};
+	else
+	    echo "===== $r seems to be already linked, skipping. ====="
+	fi
+    done
+)
+
+echo "==== Creating phony disk image ===="
+
+(
+    mkdir -p disks;
+    touch disks/disk.s10hw2
+)
+
+echo "==== Copying configs ===="
+
+cp -r gem5/configs .
+
+echo "==== Applying patches to the example configuration ===="
+
+patch -p 1 <disk-image.patch
Index: contrib/gem5/disk-image.patch
===================================================================
--- contrib/gem5/disk-image.patch	(revision 4e71a15bf071d643fd98eef62e833792847eec15)
+++ contrib/gem5/disk-image.patch	(revision 4e71a15bf071d643fd98eef62e833792847eec15)
@@ -0,0 +1,13 @@
+diff -r d1f8610cdffd configs/example/fs.py
+--- a/configs/example/fs.py	Fri Jan 15 11:30:13 2016 +0000
++++ b/configs/example/fs.py	Sun Jan 17 19:11:50 2016 +0100
+@@ -123,6 +123,9 @@
+                                              voltage_domain =
+                                              test_sys.cpu_voltage_domain)
+ 
++    if options.disk_image is not None:
++        test_sys.disk0.childImage(disk(options.disk_image))
++
+     if options.kernel is not None:
+         test_sys.kernel = binary(options.kernel)
+