Improve the qemu scripts and documentation (qemux86 support isn't complete yet)
git-svn-id: https://svn.o-hand.com/repos/poky/trunk@867 311d38ba-8fff-0310-9ca6-ca027cbcb966
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#!/bin/sh
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if [ -z "$QEMU_MEMORY" ]
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then
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QEMU_MEMORY="64M"
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fi
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qemu-system-arm -kernel $1 -append "root=/dev/sda mem=$QEMU_MEMORY" -net nic,vlan=0 -net tap,vlan=0,ifname=tap0,script=./qemu-ifup -M versatilepb -hda $2 -usb -usbdevice wacom-tablet
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#!/bin/sh
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if [ -z "$QEMU_MEMORY" ]
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then
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QEMU_MEMORY="64M"
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fi
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# New command-line for versatile/PB
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dd if=/dev/zero of=/tmp/blank bs=1024 count=8192
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qemu-system-arm -kernel $1 -append "root=/dev/nfs nfsroot=192.168.7.1:/srv/qemuarm rw ip=192.168.7.2::192.168.7.1:255.255.255.0" -net nic,vlan=0 -net tap,vlan=0,ifname=tap0,script=./qemu-ifup -M versatilepb -hda /tmp/blank
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rm /tmp/blank
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# Old command-line for versatile/CP
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#qemu-system-arm -kernel $1 -append "root=/dev/nfs nfsroot=192.168.7.1:/srv/qemuarm rw ip=192.168.7.2::192.168.7.1:255.255.255.0 mem=$QEMU_MEMORY" -net nic,vlan=0 -net tap,vlan=0,ifname=tap0,script=./qemu-ifup
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#!/bin/sh
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PATH=$BUILDDIR/tmp/staging/$BUILD_SYS/bin:$PATH
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if [ -z "$QEMU_MEMORY" ]; then
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QEMU_MEMORY="64M"
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fi
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if [ "x$1" != "x" ]; then
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MACHINE=$1
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else
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MACHINE="qemuarm"
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fi
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if [ "x$2" != "x" ]; then
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TYPE=$1
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else
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TYPE="ext2"
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fi
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if [ "x$3" != "x" ]; then
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ZIMAGE=$3
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fi
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if [ "x$4" != "x" ]; then
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HDIMAGE=$4
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fi
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if [ "$MACHINE" == "qemuarm" ]; then
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if [ "x$ZIMAGE" == "x" ]; then
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ZIMAGE=$BUILDDIR/tmp/deploy/images/zImage-qemuarm.bin
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fi
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QEMU=`which qemu-system-arm`
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if [ "$TYPE" == "ext2" ]; then
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if [ "x$HDIMAGE" == "x" ]; then
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HDIMAGE=$BUILDDIR/tmp/deploy/images/oh-image-pda-qemuarm.ext2
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fi
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sudo $QEMU -kernel $ZIMAGE -append "root=/dev/sda mem=$QEMU_MEMORY" -net nic,vlan=0 -net tap,vlan=0,ifname=tap0,script=$OEROOT/scripts/qemu-ifup -M versatilepb -hda $HDIMAGE -usb -usbdevice wacom-tablet
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fi
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if [ "$TYPE" == "nfs" -a ]; then
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dd if=/dev/zero of=/tmp/blank bs=1024 count=8192
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sudo $QEMU -kernel $1 -append "root=/dev/sda nfsroot=192.168.7.1:/srv/qemuarm rw ip=192.168.7.2::192.168.7.1:255.255.255.0" -net nic,vlan=0 -net tap,vlan=0,ifname=tap0,script=$OEROOT/scripts/qemu-ifup -M versatilepb -hda /tmp/blank
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rm /tmp/blank
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fi
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fi
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@ -1,19 +1,24 @@
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qemu-arm poky image notes
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Using qemu with poky notes
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=========================
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Poky can generate qemu-system-arm bootable kernels and images with can
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then be used on an x86 desktop. There are two ways to run such images;
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Via ext2 filesystem image
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==========================
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==========================
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Run;
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Poky can generate qemu bootable kernels and images with can be used
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on a desktop system. Both arm and x86 images can currently be booted.
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The runqemu script is run as:
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qemu-ext2 <zimage-qemuarm>.bin <filesystem-qemuarm>.ext2
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runqemu <target> <type> <zimage> <filesystem>
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where:
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Via NFS
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<target> is "qemuarm" or "qemux86"
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========
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<type> is "ext2" or "nfs"
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<zimage> is the path to a kernel (zimage-qemuarm.bin)
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<filesystem> is the path to an ext2 image (filesystem-qemuarm.ext2)
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It will default to the qemuarm, ext2 and the last kernel and oh-image-pda
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image built by poky.
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NFS Image Notes
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===============
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As root;
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As root;
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@ -33,26 +38,22 @@ Edit via /etc/exports :
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untar build/tmp/deploy/images/<built image>.rootfs.tar.bz2 into /srv/qemuarm
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untar build/tmp/deploy/images/<built image>.rootfs.tar.bz2 into /srv/qemuarm
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Move poky built qemu-system-arm into your path, i.e;
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% cp ./build/tmp/staging/i686-linux/bin/qemu-system-arm /usr/local/bin
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Finally, launch:
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Finally, launch:
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% ./qemu-nfs ../../build/tmp/deploy/images/<zimage-qemuarm>.bin
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% runqemu <target> nfs
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( change perms on /dev/net/tun to run as non root )
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Notes
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Notes
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=====
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=====
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- The runqemu script runs qemu with sudo. Change perms on /dev/net/tun to
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run as non root
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- You can set QEMU_MEMORY env var to control amount of available memory
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- You can set QEMU_MEMORY env var to control amount of available memory
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( defaults to 64M )
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( defaults to 64M )
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- There is a bug in qemu in that means occasionally it will use 100% cpu.
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- There is a bug in qemu in that means occasionally it will use 100% cpu.
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You will need to restart it in this situation.
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You will need to restart it in this situation.
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More Info
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More Info
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=========
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=========
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- See http://o-hand.com/~richard/qemu.html
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- See http://o-hand.com/~richard/qemu.html
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