From: Paul Brook <paul@codesourcery.com>
To: qemu-devel@nongnu.org
Cc: Roger Lathrop <ratchetr@sprynet.com>
Subject: Re: [Qemu-devel] Interrupt request info
Date: Wed, 1 Nov 2006 23:31:36 +0000 [thread overview]
Message-ID: <200611012331.38312.paul@codesourcery.com> (raw)
In-Reply-To: <002e01c6fe0d$0d434460$7e00a8c0@DELL3G>
On Wednesday 01 November 2006 23:25, Roger Lathrop wrote:
> Alessandro,
>
> All you should need to do to raise an IRQ in your code is:
> pic_set_irq(s->irq,1);
>
> When the irq is serviced (in one of your ioport traps, I would assume),
> knock the irq down:
> pic_set_irq(s->irq,0);
No. You should use pic_set_irq_new. Otherwise your code will break on machines
with multiple interrupt controllers.
Paul
next prev parent reply other threads:[~2006-11-01 23:31 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <200611011205.1gFjwA1qs3Nl3pX2@cave.mail.atl.earthlink.net>
2006-11-01 23:25 ` Re:[Qemu-devel] Interrupt request info Roger Lathrop
2006-11-01 23:31 ` Paul Brook [this message]
2006-11-04 16:08 ` [Qemu-devel] " Alessandro Corradi
2006-11-06 14:39 ` Fwd: " Alessandro Corradi
2006-11-11 11:32 ` Alessandro Corradi
2006-11-12 15:46 ` Alessandro Corradi
2006-10-28 9:36 Alessandro Corradi
2006-10-28 19:01 ` Rob Landley
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