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Diffstat (limited to 'scripts/runqemu')
| -rwxr-xr-x | scripts/runqemu | 429 |
1 files changed, 429 insertions, 0 deletions
diff --git a/scripts/runqemu b/scripts/runqemu new file mode 100755 index 0000000..bc4ba00 --- /dev/null +++ b/scripts/runqemu @@ -0,0 +1,429 @@ +#!/bin/bash + +# +# Handle running OE images standalone with QEMU +# +# Copyright (C) 2006-2011 Linux Foundation +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License version 2 as +# published by the Free Software Foundation. +# +# 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 Street, Fifth Floor, Boston, MA 02110-1301 USA. + +usage() { + MYNAME=`basename $0` + echo "" + echo "Usage: you can run this script with any valid combination" + echo "of the following options (in any order):" + echo " QEMUARCH - the qemu machine architecture to use" + echo " KERNEL - the kernel image file to use" + echo " ROOTFS - the rootfs image file or nfsroot directory to use" + echo " MACHINE=xyz - the machine name (optional, autodetected from KERNEL filename if unspecified)" + echo " Simplified QEMU command-line options can be passed with:" + echo " nographic - disables video console" + echo " serial - enables a serial console on /dev/ttyS0" + echo " kvm - enables KVM when running qemux86/qemux86-64 (VT-capable CPU required)" + echo " qemuparams=\"xyz\" - specify custom parameters to QEMU" + echo " bootparams=\"xyz\" - specify custom kernel parameters during boot" + echo "" + echo "Examples:" + echo " $MYNAME qemuarm" + echo " $MYNAME qemux86-64 core-image-sato ext3" + echo " $MYNAME path/to/bzImage-qemux86.bin path/to/nfsrootdir/ serial" + echo " $MYNAME qemux86 qemuparams=\"-m 256\"" + echo " $MYNAME qemux86 bootparams=\"psplash=false\"" + exit 1 +} + +if [ "x$1" = "x" ]; then + usage +fi + +MACHINE=${MACHINE:=""} +KERNEL="" +FSTYPE="" +ROOTFS="" +LAZY_ROOTFS="" +SCRIPT_QEMU_OPT="" +SCRIPT_QEMU_EXTRA_OPT="" +SCRIPT_KERNEL_OPT="" + +# Don't use TMPDIR from the external environment, it may be a distro +# variable pointing to /tmp (e.g. within X on OpenSUSE) +# Instead, use OE_TMPDIR for passing this in externally. +TMPDIR="$OE_TMPDIR" + +# Determine whether the file is a kernel or QEMU image, and set the +# appropriate variables +process_filename() { + filename=$1 + # Extract the filename extension + EXT=`echo $filename | awk -F . '{ print \$NF }'` + # A file ending in .bin is a kernel + if [ "x$EXT" = "xbin" ]; then + if [ -z "$KERNEL" ]; then + KERNEL=$filename + else + echo "Error: conflicting KERNEL args [$KERNEL] and [$filename]" + usage + fi + elif [[ "x$EXT" == "xext2" || "x$EXT" == "xext3" || + "x$EXT" == "xjffs2" || "x$EXT" == "xbtrfs" ]]; then + # A file ending in a supportted fs type is a rootfs image + if [[ -z "$FSTYPE" || "$FSTYPE" == "$EXT" ]]; then + FSTYPE=$EXT + ROOTFS=$filename + else + echo "Error: conflicting FSTYPE types [$FSTYPE] and [$EXT]" + usage + fi + else + echo "Error: unknown file arg [$filename]" + usage + fi +} + +# Parse command line args without requiring specific ordering. It's a +# bit more complex, but offers a great user experience. +KVM_ENABLED="no" +i=1 +while [ $i -le $# ]; do + arg=${!i} + case $arg in + "qemux86" | "qemux86-64" | "qemuarm" | "qemumips" | "qemuppc" | "beagleboard" | "vexpressa9") + if [ -z "$MACHINE" ]; then + MACHINE=$arg + else + echo "Error: conflicting MACHINE types [$MACHINE] and [$arg]" + usage + fi + ;; + "ext2" | "ext3" | "jffs2" | "nfs" | "btrfs") + if [[ -z "$FSTYPE" || "$FSTYPE" == "$arg" ]]; then + FSTYPE=$arg + else + echo "Error: conflicting FSTYPE types [$FSTYPE] and [$arg]" + usage + fi + ;; + *-image*) + if [ -z "$ROOTFS" ]; then + if [ -f "$arg" ]; then + process_filename $arg + elif [ -d "$arg" ]; then + # Handle the case where the nfsroot dir has -image- + # in the pathname + echo "Assuming $arg is an nfs rootfs" + FSTYPE=nfs + ROOTFS=$arg + else + ROOTFS=$arg + LAZY_ROOTFS="true" + fi + else + echo "Error: conflicting ROOTFS args [$ROOTFS] and [$arg]" + usage + fi + ;; + "nographic") + SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -nographic" + ;; + "serial") + SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -serial stdio" + SCRIPT_KERNEL_OPT="$SCRIPT_KERNEL_OPT console=ttyS0" + ;; + "qemuparams="*) + SCRIPT_QEMU_EXTRA_OPT="${arg##qemuparams=}" + + # Warn user if they try to specify serial or kvm options + # to use simplified options instead + serial_option=`expr "$SCRIPT_QEMU_EXTRA_OPT" : '.*\(-serial\)'` + kvm_option=`expr "$SCRIPT_QEMU_EXTRA_OPT" : '.*\(-enable-kvm\)'` + if [[ ! -z "$serial_option" || ! -z "$kvm_option" ]]; then + echo "Error: Please use simplified serial or kvm options instead" + usage + fi + ;; + "bootparams="*) + SCRIPT_KERNEL_OPT="$SCRIPT_KERNEL_OPT ${arg##bootparams=}" + ;; + "audio") + if [[ "x$MACHINE" == "xqemux86" || "x$MACHINE" == "xqemux86-64" ]]; then + echo "Enable audio on qemu. Pls. install snd_intel8x0 or snd_ens1370 driver in linux guest."; + QEMU_AUDIO_DRV="alsa" + SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -soundhw ac97,es1370" + fi + ;; + "kvm") + KVM_ENABLED="yes" + KVM_CAPABLE=`grep 'vmx\|smx' /proc/cpuinfo` + ;; + *) + # A directory name is an nfs rootfs + if [ -d "$arg" ]; then + echo "Assuming $arg is an nfs rootfs" + if [[ -z "$FSTYPE" || "$FSTYPE" == "nfs" ]]; then + FSTYPE=nfs + else + echo "Error: conflicting FSTYPE types [$arg] and nfs" + usage + fi + + if [ -z "$ROOTFS" ]; then + ROOTFS=$arg + else + echo "Error: conflicting ROOTFS args [$ROOTFS] and [$arg]" + usage + fi + elif [ -f "$arg" ]; then + process_filename $arg + else + echo "Error: unable to classify arg [$arg]" + usage + fi + ;; + esac + i=$((i + 1)) +done + +if [ ! -c /dev/net/tun ] ; then + echo "TUN control device /dev/net/tun is unavailable; you may need to enable TUN (e.g. sudo modprobe tun)" + exit 1 +elif [ ! -w /dev/net/tun ] ; then + echo "TUN control device /dev/net/tun is not writable, please fix (e.g. sudo chmod 666 /dev/net/tun)" + exit 1 +fi + +YOCTO_KVM_WIKI="https://wiki.yoctoproject.org/wiki/How_to_enable_KVM_for_Poky_qemu" +# Detect KVM configuration +if [[ "x$KVM_ENABLED" == "xyes" ]]; then + if [[ -z "$KVM_CAPABLE" ]]; then + echo "You are tring to enable KVM on cpu without VT support. Remove kvm from the command-line, or refer"; + echo "$YOCTO_KVM_WIKI"; + exit 1; + fi + if [[ "x$MACHINE" != "xqemux86" && "x$MACHINE" != "xqemux86-64" ]]; then + echo "KVM only support x86 & x86-64. Remove kvm from the command-line"; + exit 1; + fi + if [ ! -e /dev/kvm ]; then + echo "Missing KVM device. Have you inserted kvm modules? Pls. refer"; + echo "$YOCTO_KVM_WIKI"; + exit 1; + fi + if 9<>/dev/kvm ; then + SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -enable-kvm" + else + echo "You have no rights on /dev/kvm. Pls. change the owndership as described at"; + echo "$YOCTO_KVM_WIKI"; + exit 1; + fi +fi + +# Report errors for missing combinations of options +if [[ -z "$MACHINE" && -z "$KERNEL" ]]; then + echo "Error: you must specify at least a MACHINE or KERNEL argument" + usage +fi +if [[ "$FSTYPE" == "nfs" && -z "$ROOTFS" ]]; then + echo "Error: NFS booting without an explicit ROOTFS path is not yet supported" + usage +fi + +if [ -z "$MACHINE" ]; then + MACHINE=`basename $KERNEL | sed 's/.*-\(qemux86-64\|qemux86\|qemuarm\|qemumips\|qemuppc\).*/\1/'` + if [ -z "$MACHINE" ]; then + echo "Error: Unable to set MACHINE from kernel filename [$KERNEL]" + usage + fi + echo "Set MACHINE to [$MACHINE] based on kernel [$KERNEL]" +fi +machine2=`echo $MACHINE | tr 'a-z' 'A-Z' | sed 's/-/_/'` +# MACHINE is now set for all cases + +# Defaults used when these vars need to be inferred +QEMUX86_DEFAULT_KERNEL=bzImage-qemux86.bin +QEMUX86_DEFAULT_FSTYPE=ext3 + +QEMUX86_64_DEFAULT_KERNEL=bzImage-qemux86-64.bin +QEMUX86_64_DEFAULT_FSTYPE=ext3 + +QEMUARM_DEFAULT_KERNEL=zImage-qemuarm.bin +QEMUARM_DEFAULT_FSTYPE=ext3 + +BEAGLEBOARD_DEFAULT_KERNEL=uImage-beagleboard.bin +BEAGLEBOARD_DEFAULT_FSTYPE=tar.bz2 + +VEXPRESSA9_DEFAULT_KERNEL=uImage-vexpressa9.bin +VEXPRESSA9_DEFAULT_FSTYPE=tar.bz2 + +QEMUMIPS_DEFAULT_KERNEL=vmlinux-qemumips.bin +QEMUMIPS_DEFAULT_FSTYPE=ext3 + +QEMUPPC_DEFAULT_KERNEL=zImage-qemuppc.bin +QEMUPPC_DEFAULT_FSTYPE=ext3 + +AKITA_DEFAULT_KERNEL=zImage-akita.bin +AKITA_DEFAULT_FSTYPE=jffs2 + +SPITZ_DEFAULT_KERNEL=zImage-spitz.bin +SPITZ_DEFAULT_FSTYPE=ext3 + +setup_tmpdir() { + if [ -z "$TMPDIR" ]; then + # Try to get TMPDIR from bitbake + type -P bitbake &>/dev/null || { + echo "In order for this script to dynamically infer paths"; + echo "to kernels or filesystem images, you either need"; + echo "bitbake in your PATH or to source oe-init-build-env"; + echo "before running this script" >&2; + exit 1; } + + # We have bitbake in PATH, get TMPDIR from bitbake + TMPDIR=`bitbake -e | grep ^TMPDIR=\" | cut -d '=' -f2 | cut -d '"' -f2` + if [ -z "$TMPDIR" ]; then + echo "Error: this script needs to be run from your build directory," + echo "or you need to explicitly set TMPDIR in your environment" + exit 1 + fi + fi +} + +setup_sysroot() { + # Toolchain installs set up $OECORE_NATIVE_SYSROOT in their + # environment script. If that variable isn't set, we're + # either in an in-tree build scenario or the environment + # script wasn't source'd. + if [ -z "$OECORE_NATIVE_SYSROOT" ]; then + setup_tmpdir + BUILD_ARCH=`uname -m` + BUILD_OS=`uname | tr '[A-Z]' '[a-z]'` + BUILD_SYS="$BUILD_ARCH-$BUILD_OS" + + OECORE_NATIVE_SYSROOT=$TMPDIR/sysroots/$BUILD_SYS + fi +} + +# Locate a rootfs image to boot which matches our expected +# machine and fstype. +findimage() { + where=$1 + machine=$2 + extension=$3 + + # Sort rootfs candidates by modification time - the most + # recently created one is the one we most likely want to boot. + filenames=`ls -t $where/*-image*$machine.$extension 2>/dev/null | xargs` + for name in $filenames; do + if [[ "$name" =~ core-image-sato-sdk || + "$name" =~ core-image-sato || + "$name" =~ core-image-lsb || + "$name" =~ core-image-basic || + "$name" =~ core-image-minimal ]]; then + ROOTFS=$name + return + fi + done + + echo "Couldn't find a $machine rootfs image in $where." + exit 1 +} + +if [[ -e "$ROOTFS" && -z "$FSTYPE" ]]; then + # Extract the filename extension + EXT=`echo $ROOTFS | awk -F . '{ print \$NF }'` + if [[ "x$EXT" == "xext2" || "x$EXT" == "xext3" || + "x$EXT" == "xjffs2" || "x$EXT" == "xbtrfs" ]]; then + FSTYPE=$EXT + else + echo "Note: Unable to determine filesystem extension for $ROOTFS" + echo "We will use the default FSTYPE for $MACHINE" + # ...which is done further below... + fi +fi + +if [ -z "$KERNEL" ]; then + setup_tmpdir + eval kernel_file=\$${machine2}_DEFAULT_KERNEL + KERNEL=$TMPDIR/deploy/images/$kernel_file + + if [ -z "$KERNEL" ]; then + echo "Error: Unable to determine default kernel for MACHINE [$MACHINE]" + usage + fi +fi +# KERNEL is now set for all cases + +if [ -z "$FSTYPE" ]; then + eval FSTYPE=\$${machine2}_DEFAULT_FSTYPE + + if [ -z "$FSTYPE" ]; then + echo "Error: Unable to determine default fstype for MACHINE [$MACHINE]" + usage + fi +fi + +if [ "$FSTYPE" = "nfs" -a "$MACHINE" = "qemuppc" ]; then + echo "Error: usermode NFS boot is not available for qemuppc." + exit 1 +fi + +# FSTYPE is now set for all cases + +# Handle cases where a ROOTFS type is given instead of a filename, e.g. +# core-image-sato +if [ "$LAZY_ROOTFS" = "true" ]; then + setup_tmpdir + echo "Assuming $ROOTFS really means $TMPDIR/deploy/images/$ROOTFS-$MACHINE.$FSTYPE" + IMGNAME=$TMPDIR/deploy/images/$ROOTFS-$MACHINE.img + ROOTFS=$TMPDIR/deploy/images/$ROOTFS-$MACHINE.$FSTYPE + MLO=$TMPDIR/deploy/images/MLO-$MACHINE + UBOOT=$TMPDIR/deploy/images/u-boot-$MACHINE.bin +fi + +if [ -z "$ROOTFS" ]; then + setup_tmpdir + T=$TMPDIR/deploy/images + eval rootfs_list=\$${machine2}_DEFAULT_ROOTFS + findimage $T $MACHINE $FSTYPE + + if [ -z "$ROOTFS" ]; then + echo "Error: Unable to determine default rootfs for MACHINE [$MACHINE]" + usage + fi +fi +# ROOTFS is now set for all cases + +echo "" +echo "Continuing with the following parameters:" +echo "KERNEL: [$KERNEL]" +echo "ROOTFS: [$ROOTFS]" +echo "FSTYPE: [$FSTYPE]" + +setup_sysroot +# OECORE_NATIVE_SYSROOT is now set for all cases + +# We can't run without a libGL.so +libgl='no' + +test -e /usr/lib/libGL.so -a -e /usr/lib/libGLU.so && libgl='yes' +test -e /usr/lib64/libGL.so -a -e /usr/lib64/libGLU.so && libgl='yes' +test -e /usr/lib/*-linux-gnu/libGL.so -a -e /usr/lib/*-linux-gnu/libGLU.so && libgl='yes' + +if [ "$libgl" != 'yes' ]; then + echo "You need libGL.so and libGLU.so to exist in your library path to run the QEMU emulator. + Ubuntu package names are: libgl1-mesa-dev and libglu1-mesa-dev." + exit 1; +fi + +INTERNAL_SCRIPT=`which runqemu-internal` + +. $INTERNAL_SCRIPT |