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#!/bin/sh
# Handle running Poky images under qemu
#
# Copyright (C) 2006-2008 OpenedHand Ltd.
#
# 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.
# Call setting:
# QEMU_MEMORY (optional) set the amount of memory in the emualted system.
# SERIAL_LOGFILE (optional) log the serial port output to a file
#
# Image options:
# MACHINE - the machine to run
# TYPE - the image type to run
# ZIMAGE - the kernel image file to use
# HDIMAGE - the disk image file to use
#
QEMUIFUP=`which poky-qemu-ifup`
KERNEL_NETWORK_CMD="ip=192.168.7.2::192.168.7.1:255.255.255.0"
QEMU_NETWORK_CMD="-net nic,vlan=0 -net tap,vlan=0,ifname=tap0,script=$QEMUIFUP"
KERNCMDLINE="mem=$QEMU_MEMORY"
if [ -z "$QEMU_MEMORY" ]; then
QEMU_MEMORY="64M"
fi
SERIALOPTS=""
if [ "x$SERIAL_LOGFILE" != "x" ]; then
SERIALOPTS="-serial file:$SERIAL_LOGFILE"
fi
if [ "$TYPE" != "nfs" -a ! -f "$HDIMAGE" ]; then
echo "Error, image file $HDIMAGE doesn't exist"
return
fi
if [ ! -f "$ZIMAGE" ]; then
echo "Error, kernel image file $ZIMAGE doesn't exist"
return
fi
if [ "$MACHINE" != "qemuarm" -a "$MACHINE" != "qemux86" -a "$MACHINE" != "akita" -a "$MACHINE" != "spitz" ]; then
echo "Error, unsupported machine type $MACHINE"
return
fi
if [ "$MACHINE" = "qemuarm" ]; then
QEMU=`which qemu-system-arm`
if [ "$TYPE" = "ext2" ]; then
KERNCMDLINE="root=/dev/sda console=ttyAMA0 console=tty0 mem=$QEMU_MEMORY"
QEMUOPTIONS="$QEMU_NETWORK_CMD -M versatilepb -hda $HDIMAGE -usb -usbdevice wacom-tablet"
fi
if [ "$TYPE" = "nfs" ]; then
if [ "x$HDIMAGE" = "x" ]; then
HDIMAGE=/srv/nfs/qemuarm
fi
if [ ! -d "$HDIMAGE" ]; then
echo "Error, NFS mount point $HDIMAGE doesn't exist"
return
fi
KERNCMDLINE="root=/dev/nfs nfsroot=192.168.7.1:$HDIMAGE rw $KERNEL_NETWORK_CMD mem=$QEMU_MEMORY"
QEMUOPTIONS="$QEMU_NETWORK_CMD -M versatilepb -no-reboot"
fi
fi
if [ "$MACHINE" = "qemux86" ]; then
QEMU=`which qemu`
if [ "$TYPE" = "ext2" ]; then
KERNCMDLINE="root=/dev/hda mem=$QEMU_MEMORY $KERNEL_NETWORK_CMD"
QEMUOPTIONS="-std-vga $QEMU_NETWORK_CMD -hda $HDIMAGE -usb -usbdevice wacom-tablet"
fi
if [ "$TYPE" = "nfs" ]; then
if [ "x$HDIMAGE" = "x" ]; then
HDIMAGE=/srv/nfs/qemux86
fi
if [ ! -d "$HDIMAGE" ]; then
echo "Error, NFS mount point $HDIMAGE doesn't exist."
return
fi
KERNCMDLINE="root=/dev/nfs nfsroot=192.168.7.1:$HDIMAGE rw $KERNEL_NETWORK_CMD mem=$QEMU_MEMORY"
QEMUOPTIONS="-std-vga $QEMU_NETWORK_CMD"
fi
fi
if [ "$MACHINE" = "spitz" ]; then
QEMU=`which qemu-system-arm`
if [ "$TYPE" = "ext3" ]; then
echo $HDIMAGE
HDIMAGE=`readlink -f $HDIMAGE`
echo $HDIMAGE
if [ ! -e "$HDIMAGE.qemudisk" ]; then
echo "Adding a partition table to the ext3 image for use by QEMU, please wait..."
poky-addptable2image $HDIMAGE $HDIMAGE.qemudisk
fi
QEMUOPTIONS="$QEMU_NETWORK_CMD -M spitz -hda $HDIMAGE.qemudisk -portrait"
fi
fi
if [ "$MACHINE" = "akita" ]; then
QEMU=`which qemu-system-arm`
if [ "$TYPE" = "jffs2" ]; then
HDIMAGE=`readlink -f $HDIMAGE`
if [ ! -e "$HDIMAGE.qemuflash" ]; then
echo "Converting raw image into flash image format for use by QEMU, please wait..."
raw2flash.akita < $HDIMAGE > $HDIMAGE.qemuflash
fi
QEMUOPTIONS="$QEMU_NETWORK_CMD -M akita -mtdblock $HDIMAGE.qemuflash -portrait"
fi
fi
if [ "x$QEMUOPTIONS" = "x" ]; then
echo "Error, unable to support this combination of options"
return
fi
echo "Running $QEMU using sudo..."
echo $QEMU -kernel $ZIMAGE $QEMUOPTIONS $SERIALOPTS --append "$KERNCMDLINE"
sudo $QEMU -kernel $ZIMAGE $QEMUOPTIONS $SERIALOPTS --append "$KERNCMDLINE"
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