Re: [MiNT] MMU usage in MiNT, fork/mmap

["Evan K. Langlois" <Evan@CoolRunningConcepts.com>]

On Fri, 2005-04-08 at 00:06 +0200, Xavier Joubert wrote:
> 9. I just downloaded and took a look at the code. Documentation is dated march
> 1996. I feel suddenly very old.

Yup!  I thought so!

> > something similar.  Probably lots of ideas we can pull from looking at
> > the Linux and FreeBSD ports to the 68K as well.
> 
> Of course. But I understand this one better. I guess I'm the only one. It's ASM.
> Comments and documentation are in french. :(
> 
> Nevertheless, I'm quite proud of this. This is my first real project. A whole
> mmap()-like implementation in one 12k ASM source file. Funny to see how close
> my code is to mmap() while I discovered mmap() years later.

I think its things like this that make MiNT and the Atari as efficient
as it is.

> Last time I looked at this (while working on the CT60 design), v4e documentation
> was still not available, and Motorola staff refused to give any information on
> the MMU.

Chapter 5 of MCF5475RM.PDF .. downloadable from the freescale site.  If
you have trouble finding it, I can email it to you.  I have a copy on my
hard drive.

-- Evan