From mint-bounce@lists.fishpool.fi Fri Apr 8 06:20:42 2005 X-Original-To: fnaumann@mail.boerde.de Delivered-To: fnaumann@mail.boerde.de Subject: Re: [MiNT] MMU usage in MiNT, fork/mmap From: "Evan K. Langlois" To: MiNT Mailing List In-Reply-To: <1112911573.4255aed5345f6@imp4-q.free.fr> References: <1112841566.22639.7.camel@taro.coolrunningconcepts.com> <1112902227.31903.3.camel@taro.coolrunningconcepts.com> <1112907140.31903.16.camel@taro.coolrunningconcepts.com> <1112909427.4255a6735cd6c@imp4-q.free.fr> <1112910120.31903.27.camel@taro.coolrunningconcepts.com> <1112911573.4255aed5345f6@imp4-q.free.fr> Content-Type: text/plain Organization: Cool Running Concepts Date: Thu, 07 Apr 2005 23:17:20 -0500 Message-Id: <1112933841.31903.30.camel@taro.coolrunningconcepts.com> Mime-Version: 1.0 X-Mailer: Evolution 2.0.3 Content-Transfer-Encoding: 7bit X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - esc14.midphase.com X-AntiAbuse: Original Domain - fishpool.com X-AntiAbuse: Originator/Caller UID/GID - [0 0] / [47 12] X-AntiAbuse: Sender Address Domain - CoolRunningConcepts.com X-Source: X-Source-Args: X-Source-Dir: X-ecartis-version: Ecartis v1.0.0 Sender: mint-bounce@lists.fishpool.fi Errors-To: mint-bounce@lists.fishpool.fi X-original-sender: Evan@CoolRunningConcepts.com Precedence: bulk List-help: List-unsubscribe: List-Id: X-List-ID: X-Virus-Scanned: by amavisd-new at relay.boerde.de X-Spam-Checker-Version: SpamAssassin 2.63 (2004-01-11) on relay.boerde.de X-Spam-Status: No, hits=-0.9 tagged_above=-50.5 required=7.0 tests=AWL, BAYES_00 X-Spam-Level: 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