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qemux86: Support for KVM, paravirt and virtio added

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KVM, paravirtualization and virtio drivers are now activated
in runqemu using the kvm option flag for qemux86.
Host CPU features are also exported to guest OS (Yocto Linux).
Usage example: runqemu qemux86 core-image-x11 kvm

Implements [YOCTO #2550].

(From OE-Core rev: a35d03e2eb905de4eadc9c7df5b50bff1fb7f897)

Signed-off-by: Cristian Iorga <cristian.iorga@intel.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Cristian Iorga
2012-09-19 10:06:54 +03:00
committed by Richard Purdie
parent 32fdbd879c
commit ab2b2a1f2a
3 changed files with 27 additions and 4 deletions
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scripts/runqemu-internal
+11 -3
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@@ -221,7 +221,15 @@ n2=$(($n1 + 1))
KERNEL_NETWORK_CMD="ip=192.168.7.$n2::192.168.7.$n1:255.255.255.0"
QEMU_TAP_CMD="-net tap,vlan=0,ifname=$TAP,script=no,downscript=no"
QEMU_NETWORK_CMD="-net nic,vlan=0 $QEMU_TAP_CMD"
if [ "$KVM_ACTIVE" = "yes" ]; then
QEMU_NETWORK_CMD="-net nic,model=virtio $QEMU_TAP_CMD,vhost=on"
DROOT="/dev/vda"
ROOTFS_OPTIONS="-drive file=$ROOTFS,if=virtio"
else
QEMU_NETWORK_CMD="-net nic,vlan=0 $QEMU_TAP_CMD"
DROOT="/dev/hda"
ROOTFS_OPTIONS="-hda $ROOTFS"
fi
KERNCMDLINE="mem=$QEMU_MEMORY"
QEMU_UI_OPTIONS="-show-cursor -usb -usbdevice wacom-tablet"
@@ -321,8 +329,8 @@ if [ "$MACHINE" = "qemux86" ]; then
QEMU=qemu-system-i386
QEMU_UI_OPTIONS="$QEMU_UI_OPTIONS -vga vmware"
if [ "$FSTYPE" = "ext2" -o "$FSTYPE" = "ext3" -o "$FSTYPE" = "btrfs" ]; then
KERNCMDLINE="vga=0 root=/dev/hda rw mem=$QEMU_MEMORY $KERNEL_NETWORK_CMD"
QEMUOPTIONS="$QEMU_NETWORK_CMD -hda $ROOTFS $QEMU_UI_OPTIONS"
KERNCMDLINE="vga=0 root=$DROOT rw mem=$QEMU_MEMORY $KERNEL_NETWORK_CMD"
QEMUOPTIONS="$QEMU_NETWORK_CMD $ROOTFS_OPTIONS $QEMU_UI_OPTIONS"
fi
if [ "$FSTYPE" = "nfs" ]; then
if [ "$NFS_SERVER" = "192.168.7.1" -a ! -d "$NFS_DIR" ]; then