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From: Jiri Slaby <jirislaby@gmail.com>
To: Evgeniy Ivanov <lolkaantimat@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Linux and FPU
Date: Wed, 25 Mar 2009 22:54:33 +0100	[thread overview]
Message-ID: <49CAA819.2010102@gmail.com> (raw)
In-Reply-To: <200903251409.27827.lolkaantimat@gmail.com>

On 03/25/2009 12:09 PM, Evgeniy Ivanov wrote:
> Hello,
> 
> Can somebody point me to some general places, where I can look on how FPU 
> support is implemented. I understand that there is not one place, where things 
> done, the only I know, that there should be places for detecting FPU hardware 
> and places with assembly routines for pushing around floating point registers, 

I think you want to start with
arch/x86/kernel/i387.c
arch/x86/math-emu/

> assembly/C-hybrid code for handling floating point exceptions.

and arch/x86/kernel/traps.c


      reply	other threads:[~2009-03-25 21:54 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-03-25 11:09 Linux and FPU Evgeniy Ivanov
2009-03-25 21:54 ` Jiri Slaby [this message]

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