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Date:      Mon, 02 Dec 2002 16:00:17 -0800
From:      Peter Wemm <peter@wemm.org>
To:        Marcel Moolenaar <marcel@xcllnt.net>
Cc:        Doug Rabson <dfr@nlsystems.com>, Perforce Change Reviews <perforce@freebsd.org>
Subject:   Re: PERFORCE change 21719 for review 
Message-ID:  <20021203000017.A28372A8AB@canning.wemm.org>
In-Reply-To: <20021202101553.GB6494@dhcp01.pn.xcllnt.net> 

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Marcel Moolenaar wrote:
> On Mon, Dec 02, 2002 at 09:58:30AM +0000, Doug Rabson wrote:
> > 
> > I'm sorry - I thought that the thing was converted to bus_space when it 
> > grew all the non-isa bus attachments. This really needs to happen to 
> > make the driver portable. I'm not sure what to do with the 
> > isa_irq_pending call - probably migrate it to the isa attachment.
> 
> I'm not sure. It really assumes PIC and doesn't really work with
> APICs, due to it being a 32-bit bitmask. This is independent of
> whether the device is on an ISA bus or not. I guess I don't have
> an answer yet.

int32 mask = isa_irq_pending() could be replaced with something like:
bool pending = irq_pending(int irq);  This can then be made to work on
apic systems without too much work.  But it is still wrong. :-)

Cheers,
-Peter
--
Peter Wemm - peter@wemm.org; peter@FreeBSD.org; peter@yahoo-inc.com
"All of this is for nothing if we don't go to the stars" - JMS/B5


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