From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from jdub.homelinux.org (unknown [209.180.55.243]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTP id A2188DDE0E for ; Tue, 21 Aug 2007 02:36:11 +1000 (EST) Date: Mon, 20 Aug 2007 11:35:49 -0500 From: Josh Boyer To: Robert Woodworth Subject: Re: Xilinx Virtex4 FX PPC Message-ID: <20070820113549.7cc3ac45@weaponx.rchland.ibm.com> In-Reply-To: <1187625654.6336.28.camel@PisteOff> References: <1187625654.6336.28.camel@PisteOff> Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Cc: linuxppc-embedded@ozlabs.org List-Id: Linux on Embedded PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Mon, 20 Aug 2007 10:00:54 -0600 Robert Woodworth wrote: > Problem 2: Build my own rootfs. > If I try to build my own programs (busybox and bash at this point) with > shared libc using the same glibc from my toolchain, I get an "Illegal > instruction" error. Is my glibc not compatible with my Xilinx PPC 405?? > > > If I try to build a rootfs with debian ppc packages I have the same > "Illegal instruction" error. > > > > Question 1: > Do I need a special glibc for the Xilinx PPC 405???? > Does a normal PPC glibc have more "advanced" instructions compiled in > that will not work on a Xilinx PPC 405?? Make sure you're building glibc with soft-fp, or make sure you have CONFIG_MATH_EMULATION enabled in your kernel. The PPC 405 doesn't have an FPU. josh