From: Ruifeng Wang <Ruifeng.Wang@arm.com>
To: Phil Yang <Phil.Yang@arm.com>, "dev@dpdk.org" <dev@dpdk.org>
Cc: "thomas@monjalon.net" <thomas@monjalon.net>,
"david.marchand@redhat.com" <david.marchand@redhat.com>,
"jerinj@marvell.com" <jerinj@marvell.com>,
Honnappa Nagarahalli <Honnappa.Nagarahalli@arm.com>,
Joyce Kong <Joyce.Kong@arm.com>, nd <nd@arm.com>,
"stable@dpdk.org" <stable@dpdk.org>
Subject: Re: [dpdk-stable] [dpdk-dev] [PATCH 2/2] doc: add aarch32 build guidance
Date: Wed, 27 May 2020 08:28:58 +0000 [thread overview]
Message-ID: <HE1PR0801MB2025370A4ABEF52CF10157429EB10@HE1PR0801MB2025.eurprd08.prod.outlook.com> (raw)
In-Reply-To: <1573468461-25972-2-git-send-email-phil.yang@arm.com>
> -----Original Message-----
> From: dev <dev-bounces@dpdk.org> On Behalf Of Phil Yang
> Sent: Monday, November 11, 2019 6:34 PM
> To: dev@dpdk.org
> Cc: thomas@monjalon.net; david.marchand@redhat.com;
> jerinj@marvell.com; Honnappa Nagarahalli
> <Honnappa.Nagarahalli@arm.com>; Gavin Hu (Arm Technology China)
> <Gavin.Hu@arm.com>; Joyce Kong (Arm Technology China)
> <Joyce.Kong@arm.com>; nd <nd@arm.com>; stable@dpdk.org
> Subject: [dpdk-dev] [PATCH 2/2] doc: add aarch32 build guidance
>
> Add a guidance for aarch64 natively build 32-bit aarch32 DPDK.
>
> Cc: stable@dpdk.org
>
> Signed-off-by: Phil Yang <phil.yang@arm.com>
> Reviewed-by: Gavin Hu <gavin.hu@arm.com>
> Tested-by: Joyce Kong <joyce.kong@arm.com>
>
> ---
> .../linux_gsg/cross_build_dpdk_for_arm64.rst | 36
> ++++++++++++++++++----
> 1 file changed, 30 insertions(+), 6 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 e799b0b..409d444 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 +1,15 @@
> .. 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 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
> ---------------------------
> @@ -133,3 +133,27 @@ command::
>
> meson arm64-build --cross-file config/arm/arm64_armv8_linux_gcc
> ninja -C arm64-build
> +
> +Compiling DPDK for aarch32/armv7 on aarch64 host
> +------------------------------------------
> +
> +Some aarch64 platforms support EL0 aarch32 mode, so the 32-bit aarch32
> +applications and the legacy 32-bit armv7 applications can run in this mode.
> +With the GNU C compiler for the armhf architecture toolchain
> +gcc-arm-linux-gnueabihf, it can generate aarch32 binary on aarch64 natively.
> +
> +For Example, in 64-bit Debian, we can use the following command to build
> 32-bit armv7 DPDK on aarch64 natively:
> +
> +Install cross compile toolchain for the armhf architecure.
> +command::
> +
> + dpkg --add-architecture armhf
> + apt-get update
> + apt-get install -y gcc gcc-arm-linux-gnueabihf libc6:armhf make
> +binutils
> +
> +Build DPDK arm-armv7a-linuxapp-gcc executables.
> +command::
> +
> + cd <dpdk_folder>
> + make config CROSS=arm-linux-gnueabihf- T=arm-armv7a-linuxapp-
> gcc
> + make -j CROSS=arm-linux-gnueabihf- T=arm-armv7a-linuxapp-gcc
> +RTE_DEVEL_BUILD=n
> --
> 2.7.4
Acked-by: Ruifeng Wang <ruifeng.wang@arm.com>
next prev parent reply other threads:[~2020-05-27 8:29 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-11-11 10:34 [dpdk-stable] [PATCH 1/2] mk: fix unsupported flag error on armhf architercture Phil Yang
2019-11-11 10:34 ` [dpdk-stable] [PATCH 2/2] doc: add aarch32 build guidance Phil Yang
2020-05-24 21:21 ` [dpdk-stable] [dpdk-dev] " Thomas Monjalon
2020-05-25 3:20 ` Phil Yang
2020-05-27 8:28 ` Ruifeng Wang [this message]
2020-07-02 5:37 ` Phil Yang
2020-07-02 8:01 ` Jerin Jacob
2019-11-11 10:47 ` [dpdk-stable] [dpdk-dev] [PATCH 1/2] mk: fix unsupported flag error on armhf architercture Bruce Richardson
2019-11-12 5:25 ` Phil Yang (Arm Technology China)
2019-11-12 6:03 ` Thomas Monjalon
2019-11-12 6:40 ` Phil Yang (Arm Technology China)
2019-11-26 17:01 ` Thomas Monjalon
2019-11-27 8:09 ` Phil Yang (Arm Technology China)
2019-11-27 9:29 ` Bruce Richardson
2019-11-27 10:00 ` Phil Yang (Arm Technology China)
2019-11-27 10:32 ` Thomas Monjalon
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