From: Wolfgang Grandegger <wg@domain.hid>
To: axel axel <softaxel@domain.hid>
Cc: xenomai@xenomai.org
Subject: Re: [Xenomai-core] USING FLOATING POINT KERNEL SIDE
Date: Tue, 04 Mar 2008 14:06:44 +0100 [thread overview]
Message-ID: <47CD4964.2050307@domain.hid> (raw)
In-Reply-To: <d3f72a390803040449i2111e0a7r5b0acf3d62674931@domain.hid>
axel axel wrote:
> Hi,
>
> i want to use floating point in module with some xenomai task.
> I understand that i can use floating point if i implement some functions
> ( xnarch_fpu_init...... ).
>
> Ok for this but if i try to compile the module, the compiler ( gcc 3.4.3
> for arm ) says me there are unresolved symbol like __mulsf3.
>
> Have you ever try a xenomai task that use floating point in kernel space ?
Does your ARM processor have a FPU? If not, you need a FP emulation
library to link with.
Wolfgang.
next prev parent reply other threads:[~2008-03-04 13:06 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-04 12:49 [Xenomai-core] USING FLOATING POINT KERNEL SIDE axel axel
2008-03-04 13:06 ` Wolfgang Grandegger [this message]
2008-03-04 13:33 ` Gilles Chanteperdrix
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