From owner-freebsd-arm@FreeBSD.ORG Wed Jul 17 07:15:28 2013 Return-Path: Delivered-To: freebsd-arm@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id 34C433FB for ; Wed, 17 Jul 2013 07:15:28 +0000 (UTC) (envelope-from alie@afflemedialab.com) Received: from mail-qa0-f45.google.com (mail-qa0-f45.google.com [209.85.216.45]) by mx1.freebsd.org (Postfix) with ESMTP id EFD8BA11 for ; Wed, 17 Jul 2013 07:15:27 +0000 (UTC) Received: by mail-qa0-f45.google.com with SMTP id ci6so2786556qab.4 for ; Wed, 17 Jul 2013 00:15:21 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type:x-gm-message-state; bh=t3rkrKT+XORQK3sIdr+IYGvJxy+v3Fk4CQgnXJXfT5g=; b=AqTO9fCrVocvrBB7PkTeq5gKUkqqHqa36dwvlWCKZlaN73s8xQEnMd0ly2jW6oRuO4 9BuOGSMrQrppnugTxMUcyS3asK9KN+spEocY8d/G7kqCfGTxxMANp2+iDI3nhVxXAfoW +ruoH8q9XBtqs1zyaqYYtcRPdxaQ6FMQt9ThpDa7rISzs1CUjnpJngF1DX0WkBO0Vbm2 sBo6JZ9lp6V8opZO3gqcKbw9du0RrpYpXzmvsQ701f7jVOFpkjgalvsWQK4S377gRd0u O41A7mPt59TXlx2+R/egB3chlUJNkJTeEHjrWvPlkUpKiL4r0dWEWwxt+YcMdRiOxUl1 sfUQ== MIME-Version: 1.0 X-Received: by 10.224.36.143 with SMTP id t15mr7715971qad.60.1374045321311; Wed, 17 Jul 2013 00:15:21 -0700 (PDT) Received: by 10.49.84.168 with HTTP; Wed, 17 Jul 2013 00:15:21 -0700 (PDT) In-Reply-To: <20130716202516.10a67fec@bender.Home> References: <20130716202516.10a67fec@bender.Home> Date: Wed, 17 Jul 2013 15:15:21 +0800 Message-ID: Subject: Re: HEADS UP: The default ABI has changed From: Alie Tan To: Andrew Turner X-Gm-Message-State: ALoCoQmvM5a7F1R9q+Oj+qF1o6V3LAaDizPpnSCq81M9XQNGQx/BX066gjLeUOUsA7yBKnxfzYxQ Content-Type: text/plain; charset=ISO-8859-1 X-Content-Filtered-By: Mailman/MimeDel 2.1.14 Cc: "freebsd-arm@freebsd.org" X-BeenThere: freebsd-arm@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to the StrongARM Processor List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 17 Jul 2013 07:15:28 -0000 Hi, Somehow i am getting error while compiling the latest code: "Makefile", line 233: check your date/time: Wed Jul 17 15:14:02 SGT 2013 Any idea? is this related with the switch? Regards, Alie T On Wed, Jul 17, 2013 at 3:25 AM, Andrew Turner wrote: > As of r253396 the default ABI on FreeBSD/ARM is the ARM EABI. If you > run FreeBSD HEAD on an ARM CPU this will apply to you. > > If you are currently using the ARM EABI nothing should change for you > other than you no longer need to set WITH_ARM_EABI as it is the default. > > If you are not sure what ABI you are running it is most likely the OABI. > > People currently running OABI have two options: > 1. Stay on OABI by setting WITHOUT_ARM_EABI in make.conf, src.conf or > on the command line. This option will be removed sometime in the > future. > 2. Move to ARM EABI by following the instructions below. > > By changing to EABI you will need to reinstall everything. This > includes your kernel, world and ports/packages (i.e. everything). This > is because the ABIs are incompatible with each other. Also not that an > EABI kernel is unable to run OABI binaries and vice versa. > > The suggested way to upgrade to the ARM EABI is to rebuild your kernel > and world with a second build machine then upgrade all ports and > packages. Building and installing an ARM EABI kernel and world on an > OABI system is not guaranteed to work, and it is almost certain to fail. > > Advantages of ARM EABI: > - The main advantage is we are now more compatible with third party > software that relies on the ABI. > - Compatible with future toolchains. The OABI will likely get less > testing as less people use it outside of FreeBSD. > - Improved structure alignment rules. > - Allow future work to enable Thumb-2 by updating the syscall > interface. > - Allow future work to enable the hard float variant of the ARM EABI. > This will provide a performance improvement for code using floating > point operations. > > There is a known issue with pkg where it will detect the wrong ABI. > This is fixed upstream and will be available soon. > > Andrew > _______________________________________________ > freebsd-arm@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-arm > To unsubscribe, send any mail to "freebsd-arm-unsubscribe@freebsd.org" >