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From: | "Charles Sandmann" <sandmann AT clio DOT rice DOT edu> |
Newsgroups: | comp.os.msdos.djgpp |
Subject: | Re: DPMI setup Function |
Date: | Sun, 17 Jun 2001 23:51:49 |
Organization: | Aspen Technology, Inc. |
Lines: | 13 |
Message-ID: | <3b2d4295.sandmann@clio.rice.edu> |
References: | <9giat2$rak$1 AT news DOT online DOT de> |
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To: | djgpp AT delorie DOT com |
DJ-Gateway: | from newsgroup comp.os.msdos.djgpp |
Reply-To: | djgpp AT delorie DOT com |
> Enrico asked: How can I implement the following function? > int set_ldt_entry(int entry, unsigned long base, unsigned int limit, int > seg_32bit_flag, int contents, int read_only_flag, int limit_in_pages_flag) You should first look in include/dpmi.h - in particular the functions: __dpmi_set_descriptor (which does it all at once, and is faster, or) __dpmi_set_segment_base_address __dpmi_set_segment_limit __dpmi_set_descriptor_access_rights (3 different calls) You might look at the DJGPP source - in particular stub.asm does a lot of these type calls setting up DJGPP to run your image.
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