[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Xen-devel] [PATCH] [x86_emulate] (Almost) complete FPU emulation.


  • To: xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Keir Fraser" <keir.fraser@xxxxxxxxxxxxx>
  • From: "Trolle Selander" <trolle.selander@xxxxxxxxx>
  • Date: Tue, 1 Jul 2008 12:39:56 +0100
  • Cc:
  • Delivery-date: Tue, 01 Jul 2008 04:40:23 -0700
  • Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:mime-version:content-type; b=rxdoeLBlwOssHOz2jFgxw4foCdZpYOA5bV9qwpchq3JF/WY98UojAZdZVzuNTdIzWQ uw7sobfm3a7fzzm4koX7rBwX8Yq/qrm51XObsPOkV5plP1zSNZuhiuww/mshpxXP99yb uHpoqqnSOdaSDU/KNh7SKOLyqpT3JPuyYhsO0=
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>

This patch provides emulation for all FPU instructions except fsave/frstore & fnstenv/fldenv.

While the main purpose of the patch is to avoid current and future "gotchas" on FPU intructions used by various OS boot-loaders, it is complete enough to run DOS realmode FPU applications and benchmarks, but don't expect to set any speed records.

Signed-off-by: Trolle Selander <trolle.selander@xxxxxxxxxxxxx>

Attachment: almost_complete_fp_emulation.patch
Description: Text Data

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

 


Rackspace

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.