547 lines
18 KiB
Bash
Executable File
547 lines
18 KiB
Bash
Executable File
#!/bin/bash
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#
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# Handle running OE images standalone with QEMU
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#
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# Copyright (C) 2006-2011 Linux Foundation
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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usage() {
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MYNAME=`basename $0`
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cat <<_EOF
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Usage: you can run this script with any valid combination
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of the following environment variables (in any order):
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KERNEL - the kernel image file to use
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ROOTFS - the rootfs image file or nfsroot directory to use
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MACHINE - the machine name (optional, autodetected from KERNEL filename if unspecified)
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Simplified QEMU command-line options can be passed with:
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nographic - disables video console
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serial - enables a serial console on /dev/ttyS0
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kvm - enables KVM when running qemux86/qemux86-64 (VT-capable CPU required)
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kvm-vhost - enables KVM with vhost support when running qemux86/qemux86-64 (VT-capable CPU required)
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publicvnc - enable a VNC server open to all hosts
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qemuparams="xyz" - specify custom parameters to QEMU
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bootparams="xyz" - specify custom kernel parameters during boot
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Examples:
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$MYNAME qemuarm
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$MYNAME qemux86-64 core-image-sato ext4
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$MYNAME qemux86-64 wic-image-minimal wic
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$MYNAME path/to/bzImage-qemux86.bin path/to/nfsrootdir/ serial
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$MYNAME qemux86 iso/hddimg/vmdk/qcow2/vdi/ramfs...
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$MYNAME qemux86 qemuparams="-m 256"
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$MYNAME qemux86 bootparams="psplash=false"
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$MYNAME path/to/<image>-<machine>.vmdk
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$MYNAME path/to/<image>-<machine>.wic
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_EOF
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exit 1
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}
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if [ "x$1" = "x" ]; then
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usage
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fi
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error() {
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echo "Error: "$*
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usage
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}
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MACHINE=${MACHINE:=""}
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KERNEL=${KERNEL:=""}
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ROOTFS=${ROOTFS:=""}
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FSTYPE=${FSTYPE:=""}
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LAZY_ROOTFS=""
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SCRIPT_QEMU_OPT=""
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SCRIPT_QEMU_EXTRA_OPT=""
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SCRIPT_KERNEL_OPT=""
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SERIALSTDIO=""
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TCPSERIAL_PORTNUM=""
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KVM_ENABLED="no"
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KVM_ACTIVE="no"
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VHOST_ENABLED="no"
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VHOST_ACTIVE="no"
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IS_VM="false"
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# Determine whether the file is a kernel or QEMU image, and set the
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# appropriate variables
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process_filename() {
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filename=$1
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# Extract the filename extension
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EXT=`echo $filename | awk -F . '{ print \$NF }'`
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case /$EXT/ in
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/bin/)
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# A file ending in .bin is a kernel
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[ -z "$KERNEL" ] && KERNEL=$filename || \
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error "conflicting KERNEL args [$KERNEL] and [$filename]"
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;;
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/ext[234]/|/jffs2/|/btrfs/)
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# A file ending in a supportted fs type is a rootfs image
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if [ -z "$FSTYPE" -o "$FSTYPE" = "$EXT" ]; then
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FSTYPE=$EXT
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ROOTFS=$filename
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else
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error "conflicting FSTYPE types [$FSTYPE] and [$EXT]"
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fi
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;;
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/hddimg/|/hdddirect/|/vmdk/|/wic/|/qcow2/|/vdi/)
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FSTYPE=$EXT
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VM=$filename
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ROOTFS=$filename
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IS_VM="true"
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;;
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*)
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error "unknown file arg [$filename]"
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;;
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esac
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}
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check_fstype_conflicts() {
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if [ -z "$FSTYPE" -o "$FSTYPE" = "$1" ]; then
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FSTYPE=$1
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else
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error "conflicting FSTYPE types [$FSTYPE] and [$1]"
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fi
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}
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# Parse command line args without requiring specific ordering. It's a
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# bit more complex, but offers a great user experience.
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while true; do
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arg=${1}
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case "$arg" in
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"qemux86" | "qemux86-64" | "qemuarm" | "qemuarm64" | "qemumips" | "qemumipsel" | \
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"qemumips64" | "qemush4" | "qemuppc" | "qemumicroblaze" | "qemuzynq")
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[ -z "$MACHINE" -o "$MACHINE" = "$arg" ] && MACHINE=$arg || \
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error "conflicting MACHINE types [$MACHINE] and [$arg]"
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;;
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"ext"[234] | "jffs2" | "nfs" | "btrfs" | "iso")
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check_fstype_conflicts $arg
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;;
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"hddimg" | "hdddirect" | "wic" | "vmdk" | "qcow2" | "vdi")
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check_fstype_conflicts $arg
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IS_VM="true"
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;;
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"ramfs")
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FSTYPE=cpio.gz
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;;
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"nographic")
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SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -nographic"
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SCRIPT_KERNEL_OPT="$SCRIPT_KERNEL_OPT console=ttyS0"
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;;
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"serial")
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SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -serial stdio"
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SCRIPT_KERNEL_OPT="$SCRIPT_KERNEL_OPT console=ttyS0"
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SERIALSTDIO="1"
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;;
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"tcpserial="*)
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TCPSERIAL_PORTNUM=${arg##tcpserial=}
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;;
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"biosdir="*)
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CUSTOMBIOSDIR="${arg##biosdir=}"
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;;
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"biosfilename="*)
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SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -bios ${arg##biosfilename=}"
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;;
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"qemuparams="*)
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SCRIPT_QEMU_EXTRA_OPT="${arg##qemuparams=}"
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# Warn user if they try to specify serial or kvm options
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# to use simplified options instead
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serial_option=`expr "$SCRIPT_QEMU_EXTRA_OPT" : '.*\(-serial\)'`
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kvm_option=`expr "$SCRIPT_QEMU_EXTRA_OPT" : '.*\(-enable-kvm\)'`
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vga_option=`expr "$SCRIPT_QEMU_EXTRA_OPT" : '.*\(-vga\)'`
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[ ! -z "$serial_option" -o ! -z "$kvm_option" ] && \
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echo "Please use simplified serial or kvm options instead"
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;;
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"bootparams="*)
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SCRIPT_KERNEL_OPT="$SCRIPT_KERNEL_OPT ${arg##bootparams=}"
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;;
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"audio")
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if [ "x$MACHINE" = "xqemux86" -o "x$MACHINE" = "xqemux86-64" ]; then
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echo "Enabling audio in qemu."
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echo "Please install snd_intel8x0 or snd_ens1370 driver in linux guest."
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QEMU_AUDIO_DRV="alsa"
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SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -soundhw ac97,es1370"
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fi
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;;
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"kvm")
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KVM_ENABLED="yes"
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KVM_CAPABLE=`grep -q 'vmx\|svm' /proc/cpuinfo && echo 1`
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;;
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"kvm-vhost")
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KVM_ENABLED="yes"
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KVM_CAPABLE=`grep -q 'vmx\|svm' /proc/cpuinfo && echo 1`
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VHOST_ENABLED="yes"
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;;
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"slirp")
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SLIRP_ENABLED="yes"
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;;
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"publicvnc")
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SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -vnc :0"
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;;
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*-image*)
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[ -z "$ROOTFS" ] || \
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error "conflicting ROOTFS args [$ROOTFS] and [$arg]"
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if [ -f "$arg" ]; then
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process_filename $arg
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elif [ -d "$arg" ]; then
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# Handle the case where the nfsroot dir has -image-
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# in the pathname
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echo "Assuming $arg is an nfs rootfs"
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FSTYPE=nfs
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ROOTFS=$arg
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else
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ROOTFS=$arg
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LAZY_ROOTFS="true"
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fi
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;;
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"") break ;;
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*)
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# A directory name is an nfs rootfs
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if [ -d "$arg" ]; then
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echo "Assuming $arg is an nfs rootfs"
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if [ -z "$FSTYPE" -o "$FSTYPE" = "nfs" ]; then
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FSTYPE=nfs
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else
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error "conflicting FSTYPE types [$arg] and nfs"
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fi
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if [ -z "$ROOTFS" ]; then
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ROOTFS=$arg
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else
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error "conflicting ROOTFS args [$ROOTFS] and [$arg]"
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fi
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elif [ -f "$arg" ]; then
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process_filename $arg
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else
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error "unable to classify arg [$arg]"
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fi
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;;
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esac
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shift
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done
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if [ ! -c /dev/net/tun ] ; then
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echo "TUN control device /dev/net/tun is unavailable; you may need to enable TUN (e.g. sudo modprobe tun)"
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exit 1
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elif [ ! -w /dev/net/tun ] ; then
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echo "TUN control device /dev/net/tun is not writable, please fix (e.g. sudo chmod 666 /dev/net/tun)"
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exit 1
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fi
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# Report errors for missing combinations of options
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if [ -z "$MACHINE" -a -z "$KERNEL" -a -z "$VM" -a "$FSTYPE" != "wic" ]; then
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error "you must specify at least a MACHINE or KERNEL argument"
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fi
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if [ "$FSTYPE" = "nfs" -a -z "$ROOTFS" ]; then
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error "NFS booting without an explicit ROOTFS path is not yet supported"
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fi
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if [ -z "$MACHINE" ]; then
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if [ "$IS_VM" = "true" ]; then
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[ "x$FSTYPE" = "xwic" ] && filename=$ROOTFS || filename=$VM
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MACHINE=`basename $filename | sed -n 's/.*\(qemux86-64\|qemux86\|qemuarm64\|qemuarm\|qemumips64\|qemumips\|qemuppc\|qemush4\).*/\1/p'`
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if [ -z "$MACHINE" ]; then
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error "Unable to set MACHINE from image filename [$VM]"
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fi
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echo "Set MACHINE to [$MACHINE] based on image [$VM]"
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else
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MACHINE=`basename $KERNEL | sed -n 's/.*\(qemux86-64\|qemux86\|qemuarm64\|qemuarm\|qemumips64\|qemumips\|qemuppc\|qemush4\).*/\1/p'`
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if [ -z "$MACHINE" ]; then
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error "Unable to set MACHINE from kernel filename [$KERNEL]"
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fi
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echo "Set MACHINE to [$MACHINE] based on kernel [$KERNEL]"
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fi
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fi
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YOCTO_KVM_WIKI="https://wiki.yoctoproject.org/wiki/How_to_enable_KVM_for_Poky_qemu"
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YOCTO_PARAVIRT_KVM_WIKI="https://wiki.yoctoproject.org/wiki/Running_an_x86_Yocto_Linux_image_under_QEMU_KVM"
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# Detect KVM configuration
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if [ "x$KVM_ENABLED" = "xyes" ]; then
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if [ -z "$KVM_CAPABLE" ]; then
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echo "You are trying to enable KVM on a cpu without VT support."
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echo "Remove kvm from the command-line, or refer"
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echo "$YOCTO_KVM_WIKI";
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exit 1;
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fi
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if [ "x$MACHINE" != "xqemux86" -a "x$MACHINE" != "xqemux86-64" ]; then
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echo "KVM only support x86 & x86-64. Remove kvm from the command-line";
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exit 1;
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fi
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if [ ! -e /dev/kvm ]; then
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echo "Missing KVM device. Have you inserted kvm modules?"
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echo "For further help see:"
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echo "$YOCTO_KVM_WIKI";
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exit 1;
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fi
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if [ -w /dev/kvm -a -r /dev/kvm ]; then
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SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -enable-kvm"
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KVM_ACTIVE="yes"
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else
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echo "You have no rights on /dev/kvm."
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echo "Please change the ownership of this file as described at:"
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echo "$YOCTO_KVM_WIKI";
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exit 1;
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fi
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if [ "x$VHOST_ENABLED" = "xyes" ]; then
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if [ ! -e /dev/vhost-net ]; then
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echo "Missing virtio net device. Have you inserted vhost-net module?"
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echo "For further help see:"
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echo "$YOCTO_PARAVIRT_KVM_WIKI";
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exit 1;
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fi
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if [ -w /dev/vhost-net -a -r /dev/vhost-net ]; then
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VHOST_ACTIVE="yes"
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else
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echo "You have no rights on /dev/vhost-net."
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echo "Please change the ownership of this file as described at:"
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echo "$YOCTO_KVM_WIKI";
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exit 1;
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fi
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fi
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fi
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machine2=`echo $MACHINE | tr 'a-z' 'A-Z' | sed 's/-/_/'`
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# MACHINE is now set for all cases
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# Defaults used when these vars need to be inferred
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QEMUX86_DEFAULT_KERNEL=bzImage-qemux86.bin
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QEMUX86_DEFAULT_FSTYPE=ext4
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QEMUX86_64_DEFAULT_KERNEL=bzImage-qemux86-64.bin
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QEMUX86_64_DEFAULT_FSTYPE=ext4
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QEMUARM_DEFAULT_KERNEL=zImage-qemuarm.bin
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QEMUARM_DEFAULT_FSTYPE=ext4
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QEMUARM64_DEFAULT_KERNEL=Image-qemuarm64.bin
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QEMUARM64_DEFAULT_FSTYPE=ext4
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QEMUMIPS_DEFAULT_KERNEL=vmlinux-qemumips.bin
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QEMUMIPS_DEFAULT_FSTYPE=ext4
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QEMUMIPSEL_DEFAULT_KERNEL=vmlinux-qemumipsel.bin
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QEMUMIPSEL_DEFAULT_FSTYPE=ext4
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QEMUMIPS64_DEFAULT_KERNEL=vmlinux-qemumips64.bin
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QEMUMIPS64_DEFAULT_FSTYPE=ext4
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QEMUSH4_DEFAULT_KERNEL=vmlinux-qemumips.bin
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QEMUSH4_DEFAULT_FSTYPE=ext4
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QEMUPPC_DEFAULT_KERNEL=vmlinux-qemuppc.bin
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QEMUPPC_DEFAULT_FSTYPE=ext4
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QEMUMICROBLAZE_DEFAULT_KERNEL=linux.bin.ub
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QEMUMICROBLAZE_DEFAULT_FSTYPE=cpio
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QEMUZYNQ_DEFAULT_KERNEL=uImage
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QEMUZYNQ_DEFAULT_FSTYPE=cpio
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setup_path_vars() {
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if [ -z "$OE_TMPDIR" ] ; then
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PATHS_REQUIRED=true
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elif [ "$1" = "1" -a -z "$DEPLOY_DIR_IMAGE" ] ; then
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PATHS_REQUIRED=true
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else
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PATHS_REQUIRED=false
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fi
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if [ "$PATHS_REQUIRED" = "true" ]; then
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# Try to get the variable values from bitbake
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type -P bitbake &>/dev/null || {
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echo "In order for this script to dynamically infer paths";
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echo "to kernels or filesystem images, you either need";
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echo "bitbake in your PATH or to source oe-init-build-env";
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echo "before running this script" >&2;
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exit 1; }
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# We have bitbake in PATH, get the variable values from bitbake
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BITBAKE_ENV_TMPFILE=`mktemp --tmpdir runqemu.XXXXXXXXXX`
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if [ "$?" != "0" ] ; then
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echo "Error: mktemp failed for bitbake environment output"
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exit 1
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fi
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MACHINE=$MACHINE bitbake -e > $BITBAKE_ENV_TMPFILE
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if [ -z "$OE_TMPDIR" ] ; then
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OE_TMPDIR=`sed -n 's/^TMPDIR=\"\(.*\)\"/\1/p' $BITBAKE_ENV_TMPFILE`
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fi
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if [ -z "$DEPLOY_DIR_IMAGE" ] ; then
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DEPLOY_DIR_IMAGE=`sed -n 's/^DEPLOY_DIR_IMAGE=\"\(.*\)\"/\1/p' $BITBAKE_ENV_TMPFILE`
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fi
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if [ -z "$OE_TMPDIR" ]; then
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# Check for errors from bitbake that the user needs to know about
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BITBAKE_OUTPUT=`cat $BITBAKE_ENV_TMPFILE | wc -l`
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if [ "$BITBAKE_OUTPUT" -eq "0" ]; then
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echo "Error: this script needs to be run from your build directory, or you need"
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echo "to explicitly set OE_TMPDIR and DEPLOY_DIR_IMAGE in your environment"
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else
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echo "There was an error running bitbake to determine TMPDIR"
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echo "Here is the output from 'bitbake -e':"
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cat $BITBAKE_ENV_TMPFILE
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fi
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rm $BITBAKE_ENV_TMPFILE
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exit 1
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fi
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rm $BITBAKE_ENV_TMPFILE
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fi
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}
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setup_sysroot() {
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# Toolchain installs set up $OECORE_NATIVE_SYSROOT in their
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# environment script. If that variable isn't set, we're
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# either in an in-tree build scenario or the environment
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# script wasn't source'd.
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if [ -z "$OECORE_NATIVE_SYSROOT" ]; then
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setup_path_vars
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BUILD_ARCH=`uname -m`
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BUILD_OS=`uname | tr '[A-Z]' '[a-z]'`
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BUILD_SYS="$BUILD_ARCH-$BUILD_OS"
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OECORE_NATIVE_SYSROOT=$OE_TMPDIR/sysroots/$BUILD_SYS
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fi
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# Some recipes store the BIOS under $OE_TMPDIR/sysroots/$MACHINE,
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# now defined as OECORE_MACHINE_SYSROOT. The latter is used when searching
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# BIOS, VGA BIOS and keymaps.
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if [ -z "$OECORE_MACHINE_SYSROOT" ]; then
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OECORE_MACHINE_SYSROOT=$OE_TMPDIR/sysroots/$MACHINE
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fi
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}
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# Locate a rootfs image to boot which matches our expected
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# machine and fstype.
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findimage() {
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where=$1
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machine=$2
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extension=$3
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# Sort rootfs candidates by modification time - the most
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# recently created one is the one we most likely want to boot.
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filename=`ls -t1 $where/*-image*$machine.$extension 2>/dev/null | head -n1`
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if [ "x$filename" != "x" ]; then
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ROOTFS=$filename
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return
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fi
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echo "Couldn't find a $machine rootfs image in $where."
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exit 1
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}
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if [ -e "$ROOTFS" -a -z "$FSTYPE" ]; then
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# Extract the filename extension
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EXT=`echo $ROOTFS | awk -F . '{ print \$NF }'`
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if [ "x$EXT" = "xext2" -o "x$EXT" = "xext3" -o \
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"x$EXT" = "xjffs2" -o "x$EXT" = "xbtrfs" -o \
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"x$EXT" = "xext4" ]; then
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FSTYPE=$EXT
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else
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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" -a "$IS_VM" = "false" ]; then \
|
|
setup_path_vars 1
|
|
eval kernel_file=\$${machine2}_DEFAULT_KERNEL
|
|
KERNEL=$DEPLOY_DIR_IMAGE/$kernel_file
|
|
|
|
if [ -z "$KERNEL" ]; then
|
|
error "Unable to determine default kernel for MACHINE [$MACHINE]"
|
|
fi
|
|
fi
|
|
# KERNEL is now set for all cases
|
|
|
|
if [ -z "$FSTYPE" ]; then
|
|
eval FSTYPE=\$${machine2}_DEFAULT_FSTYPE
|
|
|
|
if [ -z "$FSTYPE" ]; then
|
|
error "Unable to determine default fstype for MACHINE [$MACHINE]"
|
|
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_path_vars 1
|
|
echo "Assuming $ROOTFS really means $DEPLOY_DIR_IMAGE/$ROOTFS-$MACHINE.$FSTYPE"
|
|
if [ "$IS_VM" = "true" ]; then
|
|
VM=$DEPLOY_DIR_IMAGE/$ROOTFS-$MACHINE.$FSTYPE
|
|
else
|
|
ROOTFS=$DEPLOY_DIR_IMAGE/$ROOTFS-$MACHINE.$FSTYPE
|
|
fi
|
|
fi
|
|
|
|
if [ -z "$ROOTFS" ]; then
|
|
setup_path_vars 1
|
|
T=$DEPLOY_DIR_IMAGE
|
|
eval rootfs_list=\$${machine2}_DEFAULT_ROOTFS
|
|
findimage $T $MACHINE $FSTYPE
|
|
|
|
if [ -z "$ROOTFS" ]; then
|
|
error "Unable to determine default rootfs for MACHINE [$MACHINE]"
|
|
elif [ "$IS_VM" = "true" ]; then
|
|
VM=$ROOTFS
|
|
fi
|
|
fi
|
|
# ROOTFS is now set for all cases, now expand it to be an absolute path, it should exist at this point
|
|
|
|
ROOTFS=`readlink -f $ROOTFS`
|
|
|
|
echo ""
|
|
echo "Continuing with the following parameters:"
|
|
if [ "$IS_VM" = "false" ]; then
|
|
echo "KERNEL: [$KERNEL]"
|
|
echo "ROOTFS: [$ROOTFS]"
|
|
else
|
|
echo "VM: [$VM]"
|
|
fi
|
|
echo "FSTYPE: [$FSTYPE]"
|
|
|
|
setup_sysroot
|
|
# OECORE_NATIVE_SYSROOT and OECORE_MACHINE_SYSROOT are now set for all cases
|
|
|
|
INTERNAL_SCRIPT="$0-internal"
|
|
if [ ! -f "$INTERNAL_SCRIPT" -o ! -r "$INTERNAL_SCRIPT" ]; then
|
|
INTERNAL_SCRIPT=`which runqemu-internal`
|
|
fi
|
|
|
|
# Specify directory for BIOS, VGA BIOS and keymaps
|
|
if [ ! -z "$CUSTOMBIOSDIR" ]; then
|
|
if [ -d "$OECORE_NATIVE_SYSROOT/$CUSTOMBIOSDIR" ]; then
|
|
echo "Assuming biosdir is $OECORE_NATIVE_SYSROOT/$CUSTOMBIOSDIR"
|
|
SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -L $OECORE_NATIVE_SYSROOT/$CUSTOMBIOSDIR"
|
|
elif [ -d "$OECORE_MACHINE_SYSROOT/$CUSTOMBIOSDIR" ]; then
|
|
echo "Assuming biosdir is $OECORE_MACHINE_SYSROOT/$CUSTOMBIOSDIR"
|
|
SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -L $OECORE_MACHINE_SYSROOT/$CUSTOMBIOSDIR"
|
|
else
|
|
if [ ! -d "$CUSTOMBIOSDIR" ]; then
|
|
echo "Custom BIOS directory not found. Tried: $CUSTOMBIOSDIR"
|
|
echo "and $OECORE_NATIVE_SYSROOT/$CUSTOMBIOSDIR"
|
|
echo "and $OECORE_MACHINE_SYSROOT/$CUSTOMBIOSDIR"
|
|
exit 1;
|
|
fi
|
|
echo "Assuming biosdir is $CUSTOMBIOSDIR"
|
|
SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -L $CUSTOMBIOSDIR"
|
|
fi
|
|
fi
|
|
|
|
. $INTERNAL_SCRIPT
|
|
exit $?
|