From mboxrd@z Thu Jan 1 00:00:00 1970 From: Arnout Vandecappelle Date: Wed, 22 Oct 2014 18:14:21 +0200 Subject: [Buildroot] [PATCH v2 04/30] gst-ffmpeg: use the new BR2_ARM_CPU_ARM* options In-Reply-To: <20141022093400.2bc39e83@free-electrons.com> References: <1413923237-2861-1-git-send-email-thomas.petazzoni@free-electrons.com> <1413923237-2861-5-git-send-email-thomas.petazzoni@free-electrons.com> <20141021211811.GF23999@free.fr> <20141022093400.2bc39e83@free-electrons.com> Message-ID: <5447D7DD.5090200@mind.be> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net On 22/10/14 09:34, Thomas Petazzoni wrote: > Dear Yann E. MORIN, > > On Tue, 21 Oct 2014 23:18:11 +0200, Yann E. MORIN wrote: > >>> -ifeq ($(BR2_arm1136jf_s)$(BR2_arm1176jz_s)$(BR2_arm1176jzf_s),y) >>> +ifeq ($(BR2_ARM_CPU_ARMV6),y) >>> GST_FFMPEG_CONF_EXTRA_OPTS += --enable-armv6 >>> else >>> GST_FFMPEG_CONF_EXTRA_OPTS += --disable-armv6 --disable-armv6t2 >> >> armv6t2: does that hint that we can tune to use Thumb-2 ? > > I thought Thumb-2 was only introduced with ARMv7, but it turns out it's > not the case. It has in fact been introduced in ARM1156, part of the > ARMv6 architecture. > > However, this ARM1156 is not supported in Buildroot, and I have never > heard of it in any publicly available SoC. > > However, this means that --enable-armv6t2 can be used for ARMv7. I wouldn't want to actually use it unless tested on real hardware, however. Regards, Arnout -- Arnout Vandecappelle arnout at mind be Senior Embedded Software Architect +32-16-286500 Essensium/Mind http://www.mind.be G.Geenslaan 9, 3001 Leuven, Belgium BE 872 984 063 RPR Leuven LinkedIn profile: http://www.linkedin.com/in/arnoutvandecappelle GPG fingerprint: 7CB5 E4CC 6C2E EFD4 6E3D A754 F963 ECAB 2450 2F1F