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 <scott.a.gar...@intel.com>
---
scripts/runqemu | 6 ++++++
scripts/runqemu-internal | 5 +++++
2 files changed, 11 insertions(+)
diff --git a/scripts/runqemu b/scripts/runqemu
index 7454dd4..7e4bcc4 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="$SCRIPT_KERNEL_OPT console=ttyS0"
diff --git a/scripts/runqemu-internal b/scripts/runqemu-internal
index eeadb24..0d4f4a1 100755
--- a/scripts/runqemu-internal
+++ b/scripts/runqemu-internal
@@ -453,6 +453,11 @@ if [ "$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
--
1.7.9.5
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