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- #!/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 " Additional 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 " \"<extra-qemu-options>\" - enables extra qemu options, excluding serial and kvm"
- 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 \"<-m 256>\""
- 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=""
- 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$EXT" == "xjffs2" ]]; then
- # A file ending in a supportted fs type is a rootfs image
- if [[ -z "$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 $arg in
- "qemux86" | "qemux86-64" | "qemuarm" | "qemumips" | "qemuppc")
- if [ -z "$MACHINE" ]; then
- MACHINE=$arg
- else
- echo "Error: conflicting MACHINE types [$MACHINE] and [$arg]"
- usage
- fi
- ;;
- "ext2" | "ext3" | "jffs2" | "nfs")
- if [[ -z "$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"
- ;;
- "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="$SCRIPT_QEMU_OPT -soundhw ac97,es1370"
- fi
- ;;
- "kvm")
- KVM_ENABLED="yes"
- KVM_CAPABLE=`grep 'vmx\|smx' /proc/cpuinfo`
- ;;
- \<*\>)
- SCRIPT_QEMU_EXTRA_OPT=$arg
- serial_option=`expr "$SCRIPT_QEMU_EXTRA_OPT" : '.*\(-serial\)'`
- kvm_option=`expr "$SCRIPT_QEMU_EXTRA_OPT" : '.*\(-enable-kvm\)'`
- echo "$kvm_option"
- if [[ ! -z "$serial_option" || ! -z "$kvm_option" ]]; then
- echo "Error: Please use serial or kvm params instead!"
- usage
- fi
- ;;
- *)
- # A directory name is an nfs rootfs
- if [ -d "$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=$((i + 1))
- done
- YOCTO_KVM_WIKI="https://wiki.yoctoproject.org/wiki/How_to_enable_KVM_for_Poky_qemu"
- # Detect KVM configuration
- if [[ "x$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 $MACHINE | tr 'a-z' 'A-Z' | sed 's/-/_/'`
- # MACHINE is now set for all cases
- # Defaults used when these vars need to be inferred
- QEMUX86_DEFAULT_KERNEL=bzImage-qemux86.bin
- QEMUX86_DEFAULT_FSTYPE=ext3
- QEMUX86_DEFAULT_ROOTFS="core-image-sato-sdk core-image-sato core-image-lsb core-image-basic core-image-minimal"
- QEMUX86_64_DEFAULT_KERNEL=bzImage-qemux86-64.bin
- QEMUX86_64_DEFAULT_FSTYPE=ext3
- QEMUX86_64_DEFAULT_ROOTFS="core-image-sato-sdk core-image-sato core-image-lsb core-image-basic core-image-minimal"
- QEMUARM_DEFAULT_KERNEL=zImage-qemuarm.bin
- QEMUARM_DEFAULT_FSTYPE=ext3
- QEMUARM_DEFAULT_ROOTFS="core-image-sato-sdk core-image-sato core-image-lsb core-image-basic core-image-minimal"
- QEMUMIPS_DEFAULT_KERNEL=vmlinux-qemumips.bin
- QEMUMIPS_DEFAULT_FSTYPE=ext3
- QEMUMIPS_DEFAULT_ROOTFS="core-image-sato-sdk core-image-sato core-image-lsb core-image-basic core-image-minimal"
- QEMUPPC_DEFAULT_KERNEL=zImage-qemuppc.bin
- QEMUPPC_DEFAULT_FSTYPE=ext3
- QEMUPPC_DEFAULT_ROOTFS="core-image-sato-sdk core-image-sato core-image-lsb core-image-basic core-image-minimal"
- AKITA_DEFAULT_KERNEL=zImage-akita.bin
- AKITA_DEFAULT_FSTYPE=jffs2
- AKITA_DEFAULT_ROOTFS="core-image-sato"
- SPITZ_DEFAULT_KERNEL=zImage-spitz.bin
- SPITZ_DEFAULT_FSTYPE=ext3
- SPITZ_DEFAULT_ROOTFS="core-image-sato"
- setup_tmpdir() {
- if [ -z "$TMPDIR" ]; then
- if [ "x$BUILDDIR" = "x" -o ! -d "$BUILDDIR/tmp" ]; then
- # BUILDDIR unset, try and 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`
- else
- TMPDIR=$BUILDDIR/tmp
- 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 based on defaults defined above
- findimage() {
- where=$1
- machine=$2
- extension=$3
- names=$4
- for name in $names; do
- fullname=$where/$name-$machine.$extension
- if [ -e "$fullname" ]; then
- ROOTFS=$fullname
- return
- fi
- done
- echo "Couldn't find image in $where. Attempted image names were:"
- for name in $names; do
- echo $name-$machine.$extension
- done
- exit 1
- }
- if [[ -e "$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" ]]; 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
- # 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"
- ROOTFS=$TMPDIR/deploy/images/$ROOTFS-$MACHINE.$FSTYPE
- fi
- if [ -z "$ROOTFS" ]; then
- setup_tmpdir
- T=$TMPDIR/deploy/images
- eval rootfs_list=\$${machine2}_DEFAULT_ROOTFS
- findimage $T $MACHINE $FSTYPE "$rootfs_list"
- 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: [$FSTYPE]"
- setup_sysroot
- # OECORE_NATIVE_SYSROOT is now set for all cases
- # We can't run without a libGL.so
- libgl='no'
- test -e /usr/lib/libGL.so -a -e /usr/lib/libGLU.so && libgl='yes'
- test -e /usr/lib64/libGL.so -a -e /usr/lib64/libGLU.so && libgl='yes'
- if [ "$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
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