From mboxrd@z Thu Jan  1 00:00:00 1970
From: stewart@serissa.com (Lawrence Stewart)
Date: Sat, 25 Nov 2017 10:58:53 -0500
Subject: [TUHS] Harvard and Von Neumann Architectures and Unix
In-Reply-To: <20171125142424.3518A18C0D9@mercury.lcs.mit.edu>
References: <20171125142424.3518A18C0D9@mercury.lcs.mit.edu>
Message-ID: <C591BC54-FC7F-4745-8057-1C72BD386ED6@serissa.com>

Slightly related to Unix I suppose:  Linux kernels generate page table walking code from a little assembler inside the kernel that is run at boot time.  

> On 2017, Nov 25, at 9:24 AM, Noel Chiappa <jnc at mercury.lcs.mit.edu> wrote:
> 
>> From: Doug McIlroy
> 
>> Optimal code for bitblt (raster block transfers) in the Blit
> 
> Interesting case. I'm not familiar with BitBLT codes, do they actually modify
> the existing program, or rather do they build small custom ones? Only the
> former is what I was thinking of.
> 
>       Noel
>