www.delorie.com/archives/browse.cgi   search  
Mail Archives: djgpp/2002/07/19/07:37:24

From: Martin Str|mberg <ams AT speedy DOT ludd DOT luth DOT se>
Subject: Re: Help with Fat DS
Newsgroups: comp.os.msdos.djgpp
References: <299ed26b DOT 0207180806 DOT 7e55ced2 AT posting DOT google DOT com>
User-Agent: tin/1.4.4-20000803 ("Vet for the Insane") (UNIX) (NetBSD/1.5_BETA (alpha))
Message-ID: <1027077283.928051@queeg.ludd.luth.se>
Cache-Post-Path: queeg.ludd.luth.se!unknown AT speedy DOT ludd DOT luth DOT se
X-Cache: nntpcache 2.4.0b5 (see http://www.nntpcache.org/)
Date: 19 Jul 2002 11:14:43 GMT
Lines: 20
NNTP-Posting-Date: 19 Jul 2002 11:14:43 GMT
NNTP-Posting-Host: queeg.ludd.luth.se
X-Trace: 1027077283 news.luth.se 466 130.240.16.109
To: djgpp AT delorie DOT com
DJ-Gateway: from newsgroup comp.os.msdos.djgpp
Reply-To: djgpp AT delorie DOT com

Iyappa Swaminathan <shayyaps AT yahoo DOT com> wrote:
: I am trying to read from the locations in the range 0x40000000 and in
: the range 0xffff0000. I tried using the __djgpp_near_ptr_enable()
: function, and then using _farpeekx() functions to read from those
: locations using _dos_ds. But I am getting a SIGSEGV error.

: I even tried extending the limits of _dos_ds by doing 

: __dpmi_set_segment_base_address(_dos_ds, 0) and
: __dpmi_set_segment_limit(_dos_ds, 0xffffffff)

: The above calls succeed, but the net result is the same. I am not able
: to read from those locations?

Did you read FAQ 18.6?


Right,

						MartinS

- Raw text -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019