[PATCH 0/1] runqemu ramfs support

[PATCH 0/1] runqemu ramfs support

[Scott Garman]

Added support for booting ramfs-based images (e.g, poky-tiny) which
do not have block device support.
    
This fixes [YOCTO #2612].

Scott

The following changes since commit 5290e82ecef08b5e573d7442627276d7b42c6b93:

  foomatic: fix perl path for target (2012-08-08 10:05:52 +0100)

are available in the git repository at:

  git://git.pokylinux.org/poky-contrib sgarman/runqemu-ramfs-oe
  http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=sgarman/runqemu-ramfs-oe

Scott Garman (1):
  runqemu: support booting ramfs-based images

 scripts/runqemu          |    6 ++++++
 scripts/runqemu-internal |    5 +++++
 2 files changed, 11 insertions(+)

-- 
1.7.9.5

[PATCH 1/1] runqemu: support booting ramfs-based images

[Scott Garman]

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.garman@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

Re: [PATCH 0/1] runqemu ramfs support

[Saul Wold]

On 08/13/2012 01:20 PM, Scott Garman wrote:
> Added support for booting ramfs-based images (e.g, poky-tiny) which
> do not have block device support.
>
> This fixes [YOCTO #2612].
>
> Scott
>
> The following changes since commit 5290e82ecef08b5e573d7442627276d7b42c6b93:
>
>    foomatic: fix perl path for target (2012-08-08 10:05:52 +0100)
>
> are available in the git repository at:
>
>    git://git.pokylinux.org/poky-contrib sgarman/runqemu-ramfs-oe
>    http://git.pokylinux.org/cgit.cgi/poky-contrib/log/?h=sgarman/runqemu-ramfs-oe
>
> Scott Garman (1):
>    runqemu: support booting ramfs-based images
>
>   scripts/runqemu          |    6 ++++++
>   scripts/runqemu-internal |    5 +++++
>   2 files changed, 11 insertions(+)
>
Merged into OE-Core

Thanks
	Sau!