From: Manish Regmi <regmi.manish@gmail.com>
To: "Mukund JB." <mukundjb@esntechnologies.co.in>
Cc: linux-newbie@vger.kernel.org
Subject: Re: inb parameter physical/Virtual.
Date: Tue, 12 Apr 2005 17:24:08 +0545 [thread overview]
Message-ID: <652016d3050412043952bdd8d9@mail.gmail.com> (raw)
In-Reply-To: <4EE0CBA31942E547B99B3D4BFAB3481124BC15@mail.esn.co.in>
On Apr 12, 2005 10:51 AM, Mukund JB. <mukundjb@esntechnologies.co.in> wrote:
>
> Hi all,
>
> I am into writing Linux device drivers. I have a query regarding usage
> of inb, outb instruction in the drivers.
>
> What is the address we need to pass to inb, oub instructions? I mean, Is
> it a Physical address or a Virtual address?
>
> Regards,
> Mukund jampala
No,
It is I/O port address. It is different from Memory address. In x86,
I/O Port addresses are 16bit.
Regards
Manish Regmi
--
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"Owning a hammer doesn't make one an architect"
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prev parent reply other threads:[~2005-04-12 11:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-12 5:06 inb parameter physical/Virtual Mukund JB.
2005-04-12 11:39 ` Manish Regmi [this message]
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