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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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