Message ID | 20220118104338.2081259-18-giulio.benetti@benettiengineering.com |
---|---|
State | Rejected |
Headers | show
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Tue, 18 Jan 2022 10:50:43 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from smtpcmd10106.aruba.it (smtpcmd10106.aruba.it [62.149.156.106]) by smtp2.osuosl.org (Postfix) with ESMTP id 965DD405F1 for <buildroot@buildroot.org>; Tue, 18 Jan 2022 10:50:39 +0000 (UTC) Received: from localhost.localdomain ([146.241.178.108]) by Aruba Outgoing Smtp with ESMTPSA id 9lxknDlmTDzPJ9m1Vna7L1; Tue, 18 Jan 2022 11:47:39 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aruba.it; s=a1; t=1642502859; bh=UdaYX3xLX3JJMYnw9BdqpL6zP+mcL9Wr9DQDF+RN5WQ=; h=From:To:Subject:Date:MIME-Version; b=dDhWjfzA4MSCkQM0LZnsWPN7cNV5f7hfhqeZ99NR97udYp4IFKVYRvU8FrsgGWzrU /49QNRpFp3NK0SWwNPPcs1foRSi9qx91RrRE/XWZMB0y4cJGrzJHxbcDlI7RFWP4pj uUzuED9lmv6BdJV40M6L41BuAR65o/8JlqsAKLOcIyWZUMYDjb9s6ocH0WJpAR9G2Q 3XjMY5MSa4UekhSkXzN1SlZ2KmGD56sn7zZgE7AJuGLbt1j0v05rCsAJ7Ogs133tP1 xxa75isJE4VJ4+gfOxCssePOeHcz6ptZ0sA7TJg9eu86U4aDmMoKEvBY2+pAz0Qiy1 vZOSprg9yiEVQ== From: Giulio Benetti <giulio.benetti@benettiengineering.com> To: buildroot@buildroot.org Date: Tue, 18 Jan 2022 11:43:27 +0100 Message-Id: <20220118104338.2081259-18-giulio.benetti@benettiengineering.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220118104338.2081259-1-giulio.benetti@benettiengineering.com> References: <20220118104338.2081259-1-giulio.benetti@benettiengineering.com> MIME-Version: 1.0 X-CMAE-Envelope: MS4wfP2v1JKC7iJ5hmvpyUtQgn/afNroNapiRDj677TNITMxXXOePSNMxv8V4VhnBwyvq/+SVIdSw2SlJNH3+wgLxTbAWcr5SuZUphYCeW6XzZYPf7HsT+Xw Zc2KMfDl33874e3s5aetsocb7gdGP1Cb3GN7S/VenF0nKQc+65lOCAsL6fQkyBC15Np0cZuGiLqWPfEe0okIoC79l4dj8qpZ1/JFnDezfU/qgKztL92FNixW QAHEzacOdj1zTzStVrErfrUMVXiCoOBhIB8QDUNHcgpW3UNurgPX5bCkSTs2JKCFxQFNo/Jl8ZC95wnxyZ1XdWLHrUEo65wKik64PB+ffLSzGrcDHbFTdLhk g0ZnaecaK0wLvEZ5n5Uj6wv5VSzwSDudKNZfmQbjb+HVPupPJvfuNPYXy8DhBvFv91Q+/Rdl6GU4TpqawG3mXbFP141sy77LGGROgvfwIxiT9wXHatNbjfRz udqLIlXnsBVWxWtJdJu12+qTVbWGssjyYQG24NP5me38+ZFA47q2Er5NCAJZSNVF5TVx7bMaPJKZZ8plBOi6IImeyUeFmAy6F/2MIt5XZk7yaAETfvjouipP 806v5nQJcCxi/2OgwhcvqFeKmmHdBLmrAqYF83ae7jr0OlCMDpK7ukw2Iln+oWIrh2in8TtH/4nYr9YGD8Qf9VlqlC2jArAPS4qcKLNpNBVSntwgIqX8cdH3 qjsSqWxBvQlFFNyQljZwGws132DsXtYTyEhOa3fko1DD4lcUUOr5szGl/DrFnGcg4dSuO8QBsZy9OpP+45ZZgus1Ycsq9EdJVUh4Hlgn+0px46duFgwtyOej LiQaULTZpKybM12LrWCxiw/ptlyw//G21aC38qbkjPefHNtAAvy6+vslQ4+1LQ== Subject: [Buildroot] [PATCH 17/28] configs/microchip_sama5d2_icp_mmc_defconfig: enable NEON/VFPV4 FPU strategy X-BeenThere: buildroot@buildroot.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Discussion and development of buildroot <buildroot.buildroot.org> List-Unsubscribe: <https://lists.buildroot.org/mailman/options/buildroot>, <mailto:buildroot-request@buildroot.org?subject=unsubscribe> List-Archive: <http://lists.buildroot.org/pipermail/buildroot/> List-Post: <mailto:buildroot@buildroot.org> List-Help: <mailto:buildroot-request@buildroot.org?subject=help> List-Subscribe: <https://lists.buildroot.org/mailman/listinfo/buildroot>, <mailto:buildroot-request@buildroot.org?subject=subscribe> Cc: Theo Debrouwere <t.debrouwere@televic.com>, Simon Doppler <dopsi@dopsi.ch>, Edgar Bonet <bonet@grenoble.cnrs.fr>, Jan Kraval <jan.kraval@gmail.com>, Thomas Petazzoni <thomas.petazzoni@bootlin.com>, Sergey Matyukevich <geomatsi@gmail.com>, Ludovic Desroches <ludovic.desroches@microchip.com>, Davide Viti <zinosat@gmail.com>, Mike Harmony <mike.harmony@snapav.com>, Bartosz Bilas <b.bilas@grinn-global.com>, Marcin Niestroj <m.niestroj@grinn-global.com>, Michel Stempin <michel.stempin@wanadoo.fr>, Lothar Felten <lothar.felten@gmail.com>, Giulio Benetti <giulio.benetti@benettiengineering.com>, Fabio Estevam <festevam@gmail.com>, "Yann E . MORIN" <yann.morin.1998@free.fr>, Biagio Montaruli <biagio.hkr@gmail.com> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: buildroot-bounces@buildroot.org Sender: "buildroot" <buildroot-bounces@buildroot.org> |
Series |
Use the best FPU strategies on 32-bits Arm Cortex
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expand
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diff --git a/configs/microchip_sama5d2_icp_mmc_defconfig b/configs/microchip_sama5d2_icp_mmc_defconfig index 4bb3625f83..658d8c18b6 100644 --- a/configs/microchip_sama5d2_icp_mmc_defconfig +++ b/configs/microchip_sama5d2_icp_mmc_defconfig @@ -2,6 +2,7 @@ BR2_arm=y BR2_cortex_a5=y BR2_ARM_ENABLE_NEON=y BR2_ARM_ENABLE_VFP=y +BR2_ARM_FPU_NEON_VFPV4=y BR2_ARM_INSTRUCTIONS_THUMB2=y BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_10=y BR2_ROOTFS_POST_IMAGE_SCRIPT="support/scripts/genimage.sh"
As pointed by SAMA5D2 Datasheet[1]: ``` The Cortex-A5 NEON Media Processing Engine (MPE) extends the Cortex-A5 functionality to provide support for the ARM v7 Advanced SIMD v2 and Vector Floating-Point v4 (VFPv4) instruction sets. ``` So let's enable VFPV4/NEON FPU strategy instead of the default VFPV4-D16. [1]: https://ww1.microchip.com/downloads/aemDocuments/documents/MPU32/ProductDocuments/DataSheets/SAMA5D2-Series-Data-sheet-ds60001476G.pdf Signed-off-by: Giulio Benetti <giulio.benetti@benettiengineering.com> --- configs/microchip_sama5d2_icp_mmc_defconfig | 1 + 1 file changed, 1 insertion(+)