From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: Blue Swirl <blauwirbel@gmail.com>, Avi Kivity <avi@redhat.com>,
Gleb Natapov <gleb@redhat.com>
Subject: Re: [Qemu-devel] Register uhci_reset() callback.
Date: Tue, 16 Jun 2009 20:16:29 +0100 [thread overview]
Message-ID: <200906162016.30736.paul@codesourcery.com> (raw)
In-Reply-To: <20090616185218.GK11893@shareable.org>
> If any initialisation order might occur, then you really need all the
> states to be restored, including output levels, without any side
> effects, and then enable processing in all devices together.
There is no output or input level state, other than implicitly as part of
device internal state. qemu_irq is a stateless mechanism for communicating
level change events. In effect we only model edge triggering, and individual
devices emulate level triggering on top of that.
Paul
next prev parent reply other threads:[~2009-06-16 19:16 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-11 8:48 [Qemu-devel] Register uhci_reset() callback Gleb Natapov
2009-06-11 13:41 ` Paul Brook
2009-06-11 13:46 ` Gleb Natapov
2009-06-11 13:53 ` Paul Brook
2009-06-11 14:00 ` Gleb Natapov
2009-06-11 16:38 ` Jamie Lokier
2009-06-11 16:40 ` Gleb Natapov
2009-06-15 16:20 ` Avi Kivity
2009-06-16 15:00 ` Jamie Lokier
2009-06-16 15:18 ` Avi Kivity
2009-06-16 15:43 ` Jamie Lokier
2009-06-15 16:21 ` Avi Kivity
2009-06-15 17:02 ` Gleb Natapov
2009-06-15 17:17 ` Avi Kivity
2009-06-15 17:21 ` Gleb Natapov
2009-06-15 17:56 ` Paul Brook
2009-06-15 18:16 ` Gleb Natapov
2009-06-15 18:57 ` Blue Swirl
2009-06-15 19:30 ` Gleb Natapov
2009-06-15 19:50 ` Blue Swirl
2009-06-15 20:05 ` Gleb Natapov
2009-06-16 15:14 ` Blue Swirl
2009-06-16 15:20 ` Gleb Natapov
2009-06-16 16:54 ` Blue Swirl
2009-06-16 17:09 ` Gleb Natapov
2009-06-16 17:19 ` Blue Swirl
2009-06-16 18:39 ` Gleb Natapov
2009-06-18 9:20 ` Avi Kivity
2009-06-16 16:54 ` Paul Brook
2009-06-16 17:12 ` Blue Swirl
2009-06-16 18:00 ` Paul Brook
2009-06-16 18:10 ` Blue Swirl
2009-06-16 18:52 ` Jamie Lokier
2009-06-16 19:05 ` Jamie Lokier
2009-06-16 19:10 ` Blue Swirl
2009-06-16 19:23 ` Gleb Natapov
2009-06-16 19:16 ` Paul Brook [this message]
2009-06-16 17:47 ` Gleb Natapov
2009-06-16 17:04 ` Paul Brook
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