From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from dpdk.org (dpdk.org [92.243.14.124]) by inbox.dpdk.org (Postfix) with ESMTP id D7E62A04DB; Fri, 11 Dec 2020 09:28:40 +0100 (CET) Received: from [92.243.14.124] (localhost [127.0.0.1]) by dpdk.org (Postfix) with ESMTP id F099BC9BA; Fri, 11 Dec 2020 09:27:09 +0100 (CET) Received: from lb.pantheon.sk (lb.pantheon.sk [46.229.239.20]) by dpdk.org (Postfix) with ESMTP id 019A0AC9C for ; Fri, 11 Dec 2020 09:27:01 +0100 (CET) Received: from localhost (localhost [127.0.0.1]) by lb.pantheon.sk (Postfix) with ESMTP id 643EABC7DB; Fri, 11 Dec 2020 09:27:01 +0100 (CET) X-Virus-Scanned: amavisd-new at siecit.sk Received: from lb.pantheon.sk ([127.0.0.1]) by localhost (lb.pantheon.sk [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id KmSufSDqEfls; Fri, 11 Dec 2020 09:27:00 +0100 (CET) Received: from service-node1.lab.pantheon.local (unknown [46.229.239.141]) by lb.pantheon.sk (Postfix) with ESMTP id A0F99BE913; Fri, 11 Dec 2020 09:26:57 +0100 (CET) From: =?UTF-8?q?Juraj=20Linke=C5=A1?= To: thomas@monjalon.net, bruce.richardson@intel.com, aconole@redhat.com, maicolgabriel@hotmail.com Cc: dev@dpdk.org, juraj.linkes@pantheon.tech, Phil Yang Date: Fri, 11 Dec 2020 09:26:53 +0100 Message-Id: <1607675213-12061-7-git-send-email-juraj.linkes@pantheon.tech> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1607675213-12061-1-git-send-email-juraj.linkes@pantheon.tech> References: <1607518771-7564-1-git-send-email-juraj.linkes@pantheon.tech> <1607675213-12061-1-git-send-email-juraj.linkes@pantheon.tech> Subject: [dpdk-dev] [PATCH v12 6/6] doc: add aarch32 build guidance X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org Sender: "dev" From: Phil Yang Add cross-compiling guidance for 32-bit aarch32 DPDK on aarch64 host. Signed-off-by: Phil Yang Acked-by: Ruifeng Wang --- .../linux_gsg/cross_build_dpdk_for_arm64.rst | 34 +++++++++++++------ 1 file changed, 24 insertions(+), 10 deletions(-) diff --git a/doc/guides/linux_gsg/cross_build_dpdk_for_arm64.rst b/doc/guides/linux_gsg/cross_build_dpdk_for_arm64.rst index 8a1d0e88b..1f2ff751d 100644 --- a/doc/guides/linux_gsg/cross_build_dpdk_for_arm64.rst +++ b/doc/guides/linux_gsg/cross_build_dpdk_for_arm64.rst @@ -1,15 +1,16 @@ .. SPDX-License-Identifier: BSD-3-Clause Copyright(c) 2018 ARM Corporation. -Cross compile DPDK for ARM64 -============================ -This chapter describes how to cross compile DPDK for ARM64 from x86 build hosts. +Cross compile DPDK for aarch64 and aarch32 +========================================== +This chapter describes how to cross compile DPDK for aarch64 from x86 build hosts and compile +32-bit aarch32 DPDK from aarch64 build hosts. .. note:: - Whilst it is recommended to natively build DPDK on ARM64 (just - like with x86), it is also possible to cross-build DPDK for ARM64. An - ARM64 cross compile GNU toolchain is used for this. + Whilst it is recommended to natively build DPDK on aarch64 (just + like with x86), it is also possible to cross-build DPDK for aarch64. + An aarch64 cross compile GNU toolchain is used for this. Obtain the cross tool chain --------------------------- @@ -88,14 +89,27 @@ To install it in Ubuntu:: sudo apt-get install pkg-config-aarch64-linux-gnu -To cross-compile DPDK on a desired target machine we can use the following -command:: +.. note:: + + Some aarch64 platforms support EL0 aarch32 mode, which means the 32-bit aarch32 applications + can run on aarch64. The armhf architecture toolchain ``gcc-arm-linux-gnueabihf`` is required + for aarch32 on aarch64. To install it in Ubuntu:: + + sudo dpkg --add-architecture armhf + sudo apt-get update + sudo apt-get install -y gcc-arm-linux-gnueabihf libc6:armhf binutils + +To cross-compile DPDK on a desired target machine use the following command:: meson cross-build --cross-file ninja -C cross-build -For example if the target machine is arm64 we can use the following -command:: +For example if the target machine is aarch64 use the following command:: meson arm64-build --cross-file config/arm/arm64_armv8_linux_gcc ninja -C arm64-build + +If the target machine is aarch32 use the following command:: + + meson arm32-build --cross-file config/arm/arm32_armv8a_linux_gcc + ninja -C arm32-build -- 2.20.1