From: randy_dunlap <rdunlap@xenotime.net>
To: Bhagyashri Bijwe <bhagyashri.bijwe@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: bios interaction with linux kernel after uncompression.
Date: Wed, 6 Jul 2005 08:38:14 -0700 [thread overview]
Message-ID: <20050706083814.071230ca.rdunlap@xenotime.net> (raw)
In-Reply-To: <b386e6140507052332616b131f@mail.gmail.com>
On Wed, 6 Jul 2005 12:02:26 +0530 Bhagyashri Bijwe wrote:
| Hi,
| During bootstrapping, bios provides services like video ,hard
| drive services, memory sizing, PCI table to linux kernel.
| After uncompression of kernel , Does linux kernel have any
| interaction with bios?
| I know that most of work is done by linux device driver.
| What is dependency of running linux on bios ?
| Thanks in advance,
As little as possible after boot/init.
That means that BIOS is used for APM mode selections
if APM is being used and for ACPI state-switching.
Oh, I guess we have to acknowledge that hidden SMI code
also, but Linux doesn't use it AFAIK, it's just there
and being executed.
Those are all that I know of before being fully awake.
---
~Randy
prev parent reply other threads:[~2005-07-06 19:58 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-06 6:32 Bhagyashri Bijwe
2005-07-06 15:38 ` randy_dunlap [this message]
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