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Message-ID: | <3f99bd61$0$166$cc7c7865@news.luth.se> |
From: | Martin Str|mberg <ams AT speedy DOT ludd DOT luth DOT se> |
Subject: | Re: HELP with DPMI under DOS - Part II |
Newsgroups: | comp.os.msdos.djgpp |
References: | <AGMkb.445$947 DOT 280 AT nntpserver DOT swip DOT net> <3f944c94 DOT sandmann AT clio DOT rice DOT edu> <8N6lb.684$947 DOT 530 AT nntpserver DOT swip DOT net> <3f953833 DOT sandmann AT clio DOT rice DOT edu> <bn3hko$o7s$1 AT antares DOT lu DOT erisoft DOT se> <9003-Tue21Oct2003205315+0200-eliz AT elta DOT co DOT il> |
User-Agent: | tin/1.4.6-20020816 ("Aerials") (UNIX) (NetBSD/1.6Q (alpha)) |
Date: | 25 Oct 2003 00:01:37 GMT |
Lines: | 69 |
NNTP-Posting-Host: | speedy.ludd.luth.se |
X-Trace: | 1067040097 news.luth.se 166 130.240.16.13 |
To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
Eli Zaretskii <eliz AT elta DOT co DOT il> wrote: :> From: eplmst AT lu DOT erisoft DOT se (Martin Stromberg) :> Can't you just allocate some memory above 1.1MB and put the page :> tables that won't fit in conventional memory there? : That's what MWDPMI was supposed to be about ;-) Searching on google turned up my own address... And only that one. Ok. Is MWDPMI functional? Or pre-alpha or later? According to README, it's non-functional, which is what I'll assume if I don't hear anything else. A question: mwdpmi/DOC shows this (you'll need fixed fonts): Page Dir Page Tables User Pages v------+ +-------+ +-------+ | +-------+ CR3---->| 1M |-... +----->| |--+ +----->| | +-------+ | +-------+ | +-------+ | Server|-... | | |--+ | +-->| | This one. +-------+ | +-------+ | | | +-------+ | 1st 4M|------+ | |--|--+ | | | (2) +-------+ +-------+ | | +-------+ | 2nd 4M|------+ | |--|-----+ | | +-------+ | +-------+ | +-------+ . . | . . | . . . . | . . | . . +-------+ | +-------+ | +-------+ | | | | |--|--... | | +-------+ | +-------+ | +-------+ | | | +---- -+ | v | +-------+ +----->| |-... +-------+ | |-... +-------+ | |-... +-------+ | 0 | +-------+ . . . . +-------+ | 0 | +-------+ I understand it more or less. But what is the second pointer in the first PTE doing there (marked with "This one" by me)? Would a third PTE (if necessary) occupy (2) designated by me? Right, MartinS
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