[yocto] [yocto-docs][PATCH] Added info for ovfm

[Dimitris Tassopoulos]

Hi all, since I don't have permission to push, I'm sending the patch by
email.
This is the commit message and patch

Added description of the ovmf option in runqemu

The current documentation doesn't have any info for the ovmf option.
In case you build a QEMU image with the grub-efi bootloader, then the
qemu image needs the ovmf firmware to boot. Therefore, when using the
runqemu script you need to pass the ovmf option. I believe this is
needed as without this info there's no hint how to boot a UEFI image.

I've added a sample example with the other existing ones and the option
in the dev-manual-qemu.xml. I've also linked the grub-efi to the class,
so it's linked in the mega-manual. I've build the documentation:

$ make DOC=mega-manual

and tested the edit and that the link works.

index 4e7b5de4e..365b5c577 100644
@@ -508,6 +508,7 @@
        runqemu tmp/deploy/images/qemux86/<qemuboot.conf>
        runqemu qemux86-64 core-image-sato ext4
        runqemu qemux86-64 wic-image-minimal wic
+       runqemu qemux86-64 core-image-minimal wic ovmf
        runqemu path/to/bzImage-qemux86.bin path/to/nfsrootdir/ serial
        runqemu qemux86
iso/hddimg/wic.vmdk/wic.qcow2/wic.vdi/ramfs/cpio.gz...
        runqemu qemux86 qemuparams="-m 256"
@@ -678,6 +679,12 @@ qemux86" or "qemux86-64".
                     <filename>publicvnc</filename>:
                     Enables a VNC server open to all hosts.
                     </para></listitem>
+                    <listitem><para>
+                    <filename>ovmf</filename>:
+                    Enables support for UEFI within QEMU. This option can
be used with the
+                    <link
linkend='ref-classes-grub-efi'><filename>grub-efi</filename></link>
+                    class.
+                    </para></listitem>
             </itemizedlist>
         </para>
     </section>


Regards,
Dimitris
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