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Date:      Thu, 2 Jan 1997 21:45:48 +1100 (EDT)
From:      Darren Reed <avalon@coombs.anu.edu.au>
To:        hans@brandinnovators.com (Hans Zuidam)
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: bootloader & memory test...
Message-ID:  <199701021046.CAA27917@freefall.freebsd.org>
In-Reply-To: <199612271048.KAA05227@truk.brandinnovators.com> from "Hans Zuidam" at Dec 27, 96 10:48:59 am

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In some mail from Hans Zuidam, sie said:
> 
> Hi,
> 
> After about a year of sig-11 plague I decided to find exactly what was
> wrong with the memory of my system and found a program called MemTest-86
> by Chris Brady.  It is the only one that's indeed reporting errors, none
> of the DOS based ones found anything!
> 
> To narrow the search space I would like to make some modifications, but
> the sources use a modified version of the Linux boot loader.  To make
> things worse apparently two different assembler syntaxes (AT&T and Intel)
> are used and I am not well versed (to say the least) in either.
> 
> The memory test sets the CPU for flat 32 bit addressing and loads itself
> to address 0x100.  It uses the area from 0x0 to 0xFF as it's stack.  Could
> someone give me a hand (or pointers) to achieve the same using the FreeBSD
> boot loader?  Thanks in advance,

I haven't delved too deeply, but how hard would it be to have the kernel's
idle loop do a memory test ?

Darren



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