From: "Huttunen, Janne (Nokia - FI/Espoo)" <janne.huttunen@nokia.com>
To: "pbonzini@redhat.com" <pbonzini@redhat.com>
Cc: "kraxel@redhat.com" <kraxel@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] [RFC][PATCH 0/6] "bootonceindex" property
Date: Wed, 22 Mar 2017 09:00:40 +0000 [thread overview]
Message-ID: <1490173225.19055.48.camel@nokia.com> (raw)
In-Reply-To: <1558854179.6445757.1490172190685.JavaMail.zimbra@redhat.com>
On Wed, 2017-03-22 at 04:43 -0400, Paolo Bonzini wrote:
>
> Understood---my question is how you would set up the alternate
> boot order: is it something like "keep a button pressed while
> turning on", or something written in NVRAM, or something else
> that is completely different?
In my case the real hardware has a management processor
on the board and the temporary boot source (and also the
permanent one for that matter) for the main processor can
be set from there. Since neither the BIOS nor the management
firmware are open source, I don't know how it technically
works, but I assume there either is some shared memory
between the main BIOS and the management processor or
alternatively the BIOS talks with the management processor
with some protocol during boot to get the order.
next prev parent reply other threads:[~2017-03-22 9:00 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-14 12:50 [Qemu-devel] [RFC][PATCH 0/6] "bootonceindex" property Janne Huttunen
2017-03-14 12:50 ` [Qemu-devel] [RFC][PATCH 1/6] Re-factor bootdevice list handling, pt1 Janne Huttunen
2017-03-14 12:50 ` [Qemu-devel] [RFC][PATCH 2/6] Re-factor bootdevice list handling, pt2 Janne Huttunen
2017-03-14 12:50 ` [Qemu-devel] [RFC][PATCH 3/6] Add support for "bootonceindex" property Janne Huttunen
2017-03-14 12:50 ` [Qemu-devel] [RFC][PATCH 4/6] Clear the boot once list after it has been used Janne Huttunen
2017-03-14 12:50 ` [Qemu-devel] [RFC][PATCH 5/6] Support "bootonceindex" property for virtio-net interfaces Janne Huttunen
2017-03-14 12:50 ` [Qemu-devel] [RFC][PATCH 6/6] Support "bootonceindex" property for SCSI disks Janne Huttunen
2017-03-14 16:57 ` [Qemu-devel] [RFC][PATCH 0/6] "bootonceindex" property Gerd Hoffmann
2017-03-15 6:58 ` Janne Huttunen
2017-03-15 7:24 ` Gerd Hoffmann
2017-03-16 9:46 ` Janne Huttunen
2017-03-16 9:59 ` Gerd Hoffmann
2017-03-21 17:48 ` Eric Blake
2017-03-22 5:42 ` Markus Armbruster
2017-03-21 17:55 ` Paolo Bonzini
2017-03-22 6:36 ` Janne Huttunen
2017-03-22 8:43 ` Paolo Bonzini
2017-03-22 9:00 ` Huttunen, Janne (Nokia - FI/Espoo) [this message]
2017-03-22 10:51 ` Laszlo Ersek
2017-03-22 13:58 ` Janne Huttunen
2017-03-22 14:36 ` Laszlo Ersek
2017-03-22 15:19 ` Janne Huttunen
2017-03-22 15:29 ` Laszlo Ersek
2017-03-23 6:53 ` Janne Huttunen
2017-03-23 9:13 ` Laszlo Ersek
[not found] ` <CACaajQsrkuZeC6WYXdEBJY=FEkTQ9iY_i8E-d5j7JqK5DDUuOw@mail.gmail.com>
2017-03-15 7:21 ` Vasiliy Tolstov
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