Message ID | 20220118104338.2081259-2-giulio.benetti@benettiengineering.com |
---|---|
State | Rejected |
Headers | show
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Tue, 18 Jan 2022 10:44:06 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.8.0 Received: from smtpcmd10102.aruba.it (smtpcmd10102.aruba.it [62.149.156.102]) by smtp4.osuosl.org (Postfix) with ESMTP id 34E75408FC for <buildroot@buildroot.org>; Tue, 18 Jan 2022 10:44:05 +0000 (UTC) Received: from localhost.localdomain ([146.241.178.108]) by Aruba Outgoing Smtp with ESMTPSA id 9lxknDlmTDzPJ9lxzna3aL; Tue, 18 Jan 2022 11:44:03 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=aruba.it; s=a1; t=1642502643; bh=IVg3rZ661uAjjGR2Hek8p/XzN8Y8Vc5TR7x7ANEPti8=; h=From:To:Subject:Date:MIME-Version; b=RKqCC8R9MdzDTwgY0P/Pc9Y9hRx1qMf7thXZTPKf6RQOdaVSvSPoejWdNyFmyhioX T9/XnlzSg6094sKLkkfJR4OD7ZFk50MOPP4mw/xWcNLfZOkSjCbaCw23YgT508ldZh HqzJvMxgOw4mcHba2gWR/Vr9TyQgt6k0RiHvg43CdCi6vw2Qh3NVhw+I0qtUAmsP5w vjjLTUynIOrZ/qPsSb0BwHwIrnYrc9mTjDRusqxyYMk+gQGbbU6GFK2grl1IqYC+KB MdAY5/q4OVTd+jf4REWgHcDsaMzWAoVv+f016uLcXlt/j46WDH+d+H6O5pfdVRyDxL b7WIzKPO30ZJg== From: Giulio Benetti <giulio.benetti@benettiengineering.com> To: buildroot@buildroot.org Date: Tue, 18 Jan 2022 11:43:11 +0100 Message-Id: <20220118104338.2081259-2-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: MS4wfH6TaVeUiEMbdqo8raQcPws8nxLHGRZskhAm2Yt7zbkU1ViAG881oVa/WqeJZX2ZoCLwbHVPI5qHyR0dZ5o0rvQQDp3p6HYk07XguJnl/p/XTmsFmGQm t+K9qFGNH0VyD+eYTLnULBUHrzQRkxd9FOnKLzsAyjqCIp+u0dsun1meU0xY7YrPaSDvVSLWDJGso9D287hYPMZZ5HXpxiudE7dLgH8Ic32MA7R+9jEo5Sd6 o2h85mvMrJRqOx2C0CNBEt+3by+E5L8dhDRgm/hx/t+7jMu56TPWCtJbr7wFmfBzPyB15Ig9yRTR3cnXh0Ohk5CPOXLwhulN4qVEC3ob5dl+K+E9MwI8F3W0 N6vmxnjBXxCnWDM4iT5iSKRmpcuG7/WEiFQiia/OIfjQJMvaJ+eKHTCd/FKEAi/pUnk0brM4ORv7m+N/kFjQMsJ/pNQTCRxI4Pe7wQx8+0q3IiBfC9UU5j74 g7Q/B2OFMjuIUNlLXaXXd3GoGZUoDy5abVx/sbAqPAp87ma6gYNz0hX82dpuN+vptdH9OzJ+r9uQcsa4Nej0g7lcUsOkzAa1kwwvu9Y2eGroNGqx/bbjgu1k je1K5zb/xN4+eStL2JVXAT4hnVecrjRQM1x47/GETjNfIDL5I5fqKTrNEflDtQwXNQZitQxcugOv4pT60DDxwS0COEe8yIVYs2n+9rm4UkSUYJgQDCrz0wdz 6YelYezRL0DeBfqcCmOv+V+IsPhSDo2zKJqUMruWmlblX2QZte6yhHXtReehGX3BsMYOfRBx2zPisVfaMD2NDIw6zWYEA6VQVti2K19nJmCgi8/d40ZdAebU Rm7OpKq0V5F54hbg+8V8yCInl9Mo4EknTgPwISMAtB1oRuyUnu8X2+AZj6thfQ== Subject: [Buildroot] [PATCH 01/28] configs/acmesystems_acqua_a5_256mb_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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Hi All,
On 18/01/22 11:43, Giulio Benetti wrote:
> As pointed by SAMA5D2 Datasheet[1]:
As pointed by Edgar on Patch 02/28 Acqua A5 doesn't have a SAMA5D2 but a
SAMA5D3 that doesn't have VFPV4+NEON, but a VFPv4-D16 and NEON, so this
can't work.
I've marked it as Rejected in Patchwork as patch 01/28 and please drop it.
Thank you and sorry for the noise.
Best regards
diff --git a/configs/acmesystems_acqua_a5_256mb_defconfig b/configs/acmesystems_acqua_a5_256mb_defconfig index f8129f3780..991de4c1be 100644 --- a/configs/acmesystems_acqua_a5_256mb_defconfig +++ b/configs/acmesystems_acqua_a5_256mb_defconfig @@ -1,5 +1,6 @@ BR2_arm=y BR2_cortex_a5=y +BR2_ARM_FPU_NEON_VFPV4=y BR2_ARM_ENABLE_VFP=y BR2_ARM_INSTRUCTIONS_THUMB2=y BR2_PACKAGE_HOST_LINUX_HEADERS_CUSTOM_5_4=y
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/acmesystems_acqua_a5_256mb_defconfig | 1 + 1 file changed, 1 insertion(+)