Re: [Qemu-devel] [PATCH v2 5/5] fw_cfg: insert fw_cfg file blobs via qemu cmdline

[Markus Armbruster]

[...]
> The one other thing I may not have comprehended was the part about
>
>> Which reminds me:  Going for QemuOpts would be very useful (gives
>> -readconfig support), and it would solve the init order issue too.
>> Instead of having your custom storage you just let QemuOpts parse and
>> store the command line switch, then process them after fw_cfg device
>> initialization.

To test whether --readconfig works, append "--writeconfig test.cfg" to
your test command line(s), inspect the resulting file, and see whether
replacing your command arguments by "--readconfig test.cfg" works.
You'll have to retain any options that aren't implemented with QemuOpts,
such as --nodefaults.

[...]