From: David Gordon Hogan <dhog@plan9.bell-labs.com>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] non-BIOS boot
Date: Thu, 30 May 2002 14:17:19 -0400 [thread overview]
Message-ID: <8af692a6aa5a1270aab459dd5945364d@plan9.bell-labs.com> (raw)
> If you dont use the BIOS wouldn't you have to access
> the disk via i/o ports? If so, you would have to adhere to
> the SCSI/ATA standard rather than a more conformed interface
> via int13? If you did have to adhere to the different standards
> wouldnt that mean implementing the drivers in the MBR/PBS?
> I think _I'm_ the one missing something :) Can you fill me
Good luck fitting that code into the 512 bytes you have to play
with in the MBR.
The BIOS int13 call gives you enough to get the OS into memory,
then you can run a _real_ driver, tailored to the OS, and not to
the pre-Cambrian qualities of the BIOS.
next reply other threads:[~2002-05-30 18:17 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-05-30 18:17 David Gordon Hogan [this message]
2002-05-31 8:56 ` Don
2002-05-31 8:57 ` Charles Perkins
2002-05-31 16:10 ` Ronald G Minnich
2002-06-05 9:54 ` Don
2002-06-05 15:23 ` Ronald G Minnich
2002-06-05 9:54 ` Douglas A. Gwyn
-- strict thread matches above, loose matches on Subject: below --
2002-05-31 17:57 David Gordon Hogan
2002-05-27 17:47 rsc
2002-05-27 8:57 Don
2002-05-27 18:45 ` Ronald G Minnich
2002-05-29 8:47 ` Don
2002-05-29 13:50 ` Ronald G Minnich
2002-05-30 8:40 ` Don
2002-05-30 15:15 ` Ronald G Minnich
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=8af692a6aa5a1270aab459dd5945364d@plan9.bell-labs.com \
--to=dhog@plan9.bell-labs.com \
--cc=9fans@cse.psu.edu \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).