Re: Questions

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From
Arun Sharma <adsharma@home.com>
Date
11 Aug 1999 22:40:14
Subject
Re: Questions
Message-ID
19990812003848.A14472@home.com


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On Wed, Aug 11, 1999 at 08:01:14AM -0700, Josep Maria M. Blanquer wrote:

> The things I don't fully understant/I'm missing are:
> 1- On the IO APIC configuration. When the IO APIC/(s) are configured
> to forward the interrupts to the local APICs, the delivery mode
> is set to the lowest priority and the destination mode is set up
> to physical! Is that the way it should go? From my understanding
> if you specify physical dest, you can only specify a single APIC
> ID right? So that means that all INT are always forwarded to the
> BSP (id 0)?

Wrong. A physical destination ID of all 1s means broadcast to all local
APICs.

Refer to Chapter 7.4.9.1 (Pentium III manual, Vol 3, systems programming guide)

-Arun




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