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[Qemu-devel] [PATCH] QEMU set irq0override in fw_cfg

From: Jes Sorensen
Subject: [Qemu-devel] [PATCH] QEMU set irq0override in fw_cfg
Date: Thu, 06 Aug 2009 16:25:50 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1b3pre) Gecko/20090513 Fedora/3.0-2.3.beta2.fc11 Thunderbird/3.0b2


After discussing the issue with Avi, Gleb and a couple others on irq,
we came to the conclusion that it is preferred to have QEMU request
features from the BIOS, rather than notifying the BIOS that it is
running on QEMU or KVM. This way memory ranges can change etc. and
an older BIOS will continue to work on newer QEMU if it receives the
info as a fw_cfg value.

This one also matches what qemu-kvm does for irq0override, except I
haven't made it configurable. I leave that as an exercise for whoever
would be interested in switching off irq0override.


Attachment: 0010-qemu-irq0override.patch
Description: Text Data

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