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Mail Archives: djgpp/1992/11/13/09:38:01

Date: Fri, 13 Nov 92 09:26:08 EST
From: DJ Delorie <dj AT athena DOT ctron DOT com>
To: acc AT asterix DOT inescn DOT pt
Cc: djgpp AT sun DOT soe DOT clarkson DOT edu
Subject: GO32 multitasking

>>>* Is the 387 emulator reentrant? Will we have problems there?
>>No, it's not.  You'd have to implement copy-on-write for that portion
>>of the virtual memory space.

>Right. That means more difficulties...

Option number two is to add storeenv/loadenv to emu387 and use the
386's hardware to assist in switching emu387's context around.  See
the 80386 Programmer's Reference for more information on this.

DJ

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