From: Coywolf Qi Hunt <coywolf@gmail.com>
To: yen <yen@eos.cs.nthu.edu.tw>
Cc: linux-kernel@vger.kernel.org
Subject: Re: IRQ vector assignment for system call exception
Date: Thu, 8 Dec 2005 17:22:40 +0800 [thread overview]
Message-ID: <2cd57c900512080122s74c2f9v@mail.gmail.com> (raw)
In-Reply-To: <20051208080435.M54890@eos.cs.nthu.edu.tw>
2005/12/8, yen <yen@eos.cs.nthu.edu.tw>:
> Hi:
> I have a quwstion. Why the number 128 is reserver for system call exception in
> interrupt vectors? Why not other numbers? Are there any historical reasons?
> thanks.
>
0x80 stands in the middle of [0..0xff].
--
Coywolf Qi Hunt
http://sosdg.org/~coywolf/
next prev parent reply other threads:[~2005-12-08 9:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-08 8:10 IRQ vector assignment for system call exception yen
2005-12-08 9:22 ` Coywolf Qi Hunt [this message]
2005-12-08 13:26 ` linux-os (Dick Johnson)
2005-12-10 13:20 ` Gaurav Dhiman
2005-12-10 18:11 ` Arjan van de Ven
2005-12-11 10:58 ` Ingo Molnar
2005-12-15 22:50 ` Jan Engelhardt
2005-12-15 23:16 ` Arjan van de Ven
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