From: James Courtier-Dutton <James@superbug.co.uk>
To: Carlos Munoz <carlos@kenati.com>
Cc: Lee Revell <rlrevell@joe-job.com>,
Valdis.Kletnieks@vt.edu,
alsa-devel <alsa-devel@lists.sourceforge.net>
Subject: Re: Re: How can I link the kernel with libgcc ?
Date: Fri, 10 Mar 2006 11:55:05 +0000 [thread overview]
Message-ID: <44116919.3000807@superbug.co.uk> (raw)
In-Reply-To: <4410F6CB.8070907@kenati.com>
Carlos Munoz wrote:
> Lee Revell wrote:
>
>> On Thu, 2006-03-09 at 19:25 -0800, Carlos Munoz wrote:
>>
>>
>>> I figured out how to get the driver to use floating point operations.
>>> I included source code (from an open source math library) for the
>>> log10 function in the driver. Then I added the following lines to the
>>> file arch/sh/kernel/sh_ksyms.c:
Carlos,
Be warned. You CANNOT use floating point instructions in the kernel.
The floating point registers are not saved during a task switch for any
kernel module.
James
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next prev parent reply other threads:[~2006-03-10 11:55 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-10 1:44 How can I link the kernel with libgcc ? Carlos Munoz
2006-03-10 1:45 ` Valdis.Kletnieks
2006-03-10 2:06 ` Lee Revell
2006-03-10 3:01 ` Carlos Munoz
2006-03-10 3:22 ` Lee Revell
2006-03-10 3:22 ` Lee Revell
2006-03-10 3:25 ` Carlos Munoz
2006-03-10 3:25 ` Lee Revell
2006-03-10 3:47 ` Carlos Munoz
2006-03-10 10:37 ` Denis Vlasenko
2006-03-10 11:05 ` Bart Hartgers
2006-03-10 11:05 ` Bart Hartgers
2006-03-10 18:03 ` Carlos Munoz
2006-03-10 18:33 ` linux-os (Dick Johnson)
2006-03-10 18:33 ` linux-os (Dick Johnson)
2006-03-10 18:41 ` Ben Slusky
2006-03-10 19:18 ` Al Viro
2006-03-10 20:04 ` Carlos Munoz
2006-03-10 11:55 ` James Courtier-Dutton [this message]
2006-03-10 10:18 ` Jes Sorensen
2006-03-10 18:07 ` Carlos Munoz
2006-03-10 8:01 ` Arjan van de Ven
2006-03-10 2:02 ` Lee Revell
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