From b09c45f017da71ff966004752f8e926ea00ac451 Mon Sep 17 00:00:00 2001 From: Scott Garman Date: Mon, 13 Aug 2012 13:20:38 -0700 Subject: runqemu: support booting ramfs-based images Added support for booting ramfs-based images (e.g, poky-tiny) which do not have block device support. This fixes [YOCTO #2612]. Signed-off-by: Scott Garman Signed-off-by: Saul Wold --- scripts/runqemu | 6 ++++++ scripts/runqemu-internal | 5 +++++ 2 files changed, 11 insertions(+) diff --git a/scripts/runqemu b/scripts/runqemu index 7454dd4a16..7e4bcc4e5f 100755 --- a/scripts/runqemu +++ b/scripts/runqemu @@ -26,6 +26,7 @@ usage() { echo " KERNEL - the kernel image file to use" echo " ROOTFS - the rootfs image file or nfsroot directory to use" echo " MACHINE - the machine name (optional, autodetected from KERNEL filename if unspecified)" + echo " RAMFS - boot a ramfs-based image" echo " Simplified QEMU command-line options can be passed with:" echo " nographic - disables video console" echo " serial - enables a serial console on /dev/ttyS0" @@ -37,6 +38,7 @@ usage() { 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 ramfs" echo " $MYNAME qemux86 qemuparams=\"-m 256\"" echo " $MYNAME qemux86 bootparams=\"psplash=false\"" exit 1 @@ -118,6 +120,10 @@ while true; do LAZY_ROOTFS="true" fi ;; + "ramfs") + FSTYPE=cpio.gz + RAMFS=true + ;; "nographic") SCRIPT_QEMU_OPT="$SCRIPT_QEMU_OPT -nographic" SCRIPT_KERNEL_OPT="$SCRIPT_KERNEL_OPT console=ttyS0" diff --git a/scripts/runqemu-internal b/scripts/runqemu-internal index eeadb24ebe..0d4f4a1d08 100755 --- a/scripts/runqemu-internal +++ b/scripts/runqemu-internal @@ -453,6 +453,11 @@ if [ "$MACHINE" = "akita" ]; then fi fi +if [ "x$RAMFS" = "xtrue" ]; then + QEMUOPTIONS="-initrd $ROOTFS -nographic" + KERNCMDLINE="root=/dev/ram0" +fi + if [ "x$QEMUOPTIONS" = "x" ]; then echo "Error: Unable to support this combination of options" cleanup -- cgit 1.2.3-korg