From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <47CD4964.2050307@domain.hid> Date: Tue, 04 Mar 2008 14:06:44 +0100 From: Wolfgang Grandegger MIME-Version: 1.0 References: In-Reply-To: Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai-core] USING FLOATING POINT KERNEL SIDE List-Id: "Xenomai life and development \(bug reports, patches, discussions\)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: axel axel Cc: xenomai@xenomai.org 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.