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From: | Avi Kivity |
Subject: | Re: [Qemu-devel] [PATCH 1/2] Route PC irqs to ISA bus instead of i8259 directly |
Date: | Mon, 10 Aug 2009 11:46:39 +0300 |
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 Lightning/1.0pre Thunderbird/3.0b2 |
On 08/10/2009 11:34 AM, Gerd Hoffmann wrote:
On 08/09/09 18:44, Avi Kivity wrote:A PC has its motherboard IRQ lines connected to both the PIC and IOAPIC. Currently, qemu routes IRQs to the PIC which then calls the IOAPIC, an incestuous arrangement. In order to clean this up, create a new ISA IRQabstraction, and have devices raise ISA IRQs (which in turn raise the i8259IRQs as usual).There are isa-bus qdev patches in anthonys patch queue. I think it makes sense to do this cleanup on top of the isa-bus patches. Maybe it makes sense to integrate it more, i.e. have the irqs as element in IsaBus ...
One thing at a time. -- error compiling committee.c: too many arguments to function
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