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

From: Markus Armbruster
Subject: Re: [Qemu-devel] [PATCH v2 5/5] fw_cfg: insert fw_cfg file blobs via qemu cmdline
Date: Thu, 19 Mar 2015 09:18:46 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.3 (gnu/linux)

> 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.


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