From nobody Thu Sep 11 10:20:39 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2EDDFC04A6A for ; Tue, 1 Aug 2023 19:46:10 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232236AbjHATqH (ORCPT ); Tue, 1 Aug 2023 15:46:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36194 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231765AbjHATp7 (ORCPT ); Tue, 1 Aug 2023 15:45:59 -0400 Received: from bg4.exmail.qq.com (bg4.exmail.qq.com [43.154.54.12]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 6F2FA2114; Tue, 1 Aug 2023 12:45:57 -0700 (PDT) X-QQ-mid: bizesmtp76t1690919148ty1bac8r Received: from linux-lab-host.localdomain ( [116.30.131.233]) by bizesmtp.qq.com (ESMTP) with id ; Wed, 02 Aug 2023 03:45:47 +0800 (CST) X-QQ-SSF: 00200000000000E0X000000A0000000 X-QQ-FEAT: 96VJ2VzXm/qtcW83G+rHd8m5WjuxNQBWKPUUXvOrXDI9B+etoLQfu8ZCvn2fw tYjN7Veqc/sXQ1SSALLcaHQgL+obZbeIdrIFk2aQdIgQAwPMXYO47Ooy3v0yWPpDUybg9b5 gbSP0C6G15zDR8IWZ12c8TQppAGXlQiTlyL8lJxbZ2k9aXWuJqUhr/5kyg3QLq7OkzALSiI EXkwSrkiB9TPYkc3UPoZaS+9h01jg0LqY183MwVDopZCh9HsXaGOvcVae4/jA2B/Moq/JZ4 IBEjom6N300FTouvb8DksVKEzy4t9JxZ68XvfoNUDDpG6GYw5UGPVlBktbFRIyJU3f0jlk5 kpQqRmqaROTQjKkkw0dSYaH+YdqNtIDWk5f0S1bnX6TtnAWwzd7PoM16ZmegmJWtjcoyuhz aLAO4t/cxto= X-QQ-GoodBg: 0 X-BIZMAIL-ID: 5754352481238065369 From: Zhangjin Wu To: thomas@t-8ch.de Cc: falcon@tinylab.org, arnd@arndb.de, linux-kernel@vger.kernel.org, linux-kselftest@vger.kernel.org, w@1wt.eu, =?UTF-8?q?Thomas=20Wei=C3=9Fschuh?= Subject: [PATCH v4 09/12] selftests/nolibc: add test support for ppc64le Date: Wed, 2 Aug 2023 03:45:47 +0800 Message-Id: <9f20dae8ceec373408ab05140710ae1552082982.1690916314.git.falcon@tinylab.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: References: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-QQ-SENDSIZE: 520 Feedback-ID: bizesmtp:tinylab.org:qybglogicsvrgz:qybglogicsvrgz5a-1 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Kernel uses ARCH=3Dpowerpc for both 32-bit and 64-bit PowerPC, here adds a ppc64le variant for little endian 64-bit PowerPC, users can pass XARCH=3Dppc64le to test it. The powernv machine of qemu-system-ppc64le is used for there is just a working powernv_defconfig. As the document [1] shows: PowerNV (as Non-Virtualized) is the =E2=80=9Cbare metal=E2=80=9D platform= using the OPAL firmware. It runs Linux on IBM and OpenPOWER systems and it can be used as an hypervisor OS, running KVM guests, or simply as a host OS. Note, since the VSX support may be disabled in kernel side, to avoid "illegal instruction" errors due to missing VSX kernel support, let's simply let compiler not generate vector/scalar (VSX) instructions via the '-mno-vsx' option. [1]: https://qemu.readthedocs.io/en/latest/system/ppc/powernv.html Suggested-by: Willy Tarreau Link: https://lore.kernel.org/lkml/20230722120747.GC17311@1wt.eu/ Reviewed-by: Thomas Wei=C3=9Fschuh Signed-off-by: Zhangjin Wu --- tools/testing/selftests/nolibc/Makefile | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selfte= sts/nolibc/Makefile index 29e02b49903a..8ec2ae33fdcd 100644 --- a/tools/testing/selftests/nolibc/Makefile +++ b/tools/testing/selftests/nolibc/Makefile @@ -38,6 +38,7 @@ XARCH =3D $(or $(XARCH_$(ARCH)),$(ARCH)) =20 # map from user input variants to their kernel supported architectures ARCH_ppc =3D powerpc +ARCH_ppc64le =3D powerpc ARCH :=3D $(or $(ARCH_$(XARCH)),$(XARCH)) =20 # kernel image names by architecture @@ -48,6 +49,7 @@ IMAGE_arm64 =3D arch/arm64/boot/Image IMAGE_arm =3D arch/arm/boot/zImage IMAGE_mips =3D vmlinuz IMAGE_ppc =3D vmlinux +IMAGE_ppc64le =3D arch/powerpc/boot/zImage IMAGE_riscv =3D arch/riscv/boot/Image IMAGE_s390 =3D arch/s390/boot/bzImage IMAGE_loongarch =3D arch/loongarch/boot/vmlinuz.efi @@ -62,6 +64,7 @@ DEFCONFIG_arm64 =3D defconfig DEFCONFIG_arm =3D multi_v7_defconfig DEFCONFIG_mips =3D malta_defconfig DEFCONFIG_ppc =3D pmac32_defconfig +DEFCONFIG_ppc64le =3D powernv_defconfig DEFCONFIG_riscv =3D defconfig DEFCONFIG_s390 =3D defconfig DEFCONFIG_loongarch =3D defconfig @@ -82,6 +85,7 @@ QEMU_ARCH_arm64 =3D aarch64 QEMU_ARCH_arm =3D arm QEMU_ARCH_mips =3D mipsel # works with malta_defconfig QEMU_ARCH_ppc =3D ppc +QEMU_ARCH_ppc64le =3D ppc64le QEMU_ARCH_riscv =3D riscv64 QEMU_ARCH_s390 =3D s390x QEMU_ARCH_loongarch =3D loongarch64 @@ -95,6 +99,7 @@ QEMU_ARGS_arm64 =3D -M virt -cpu cortex-a53 -append = "panic=3D-1 $(TEST:%=3DNOLIBC QEMU_ARGS_arm =3D -M virt -append "panic=3D-1 $(TEST:%=3DNOLIBC_TES= T=3D%)" QEMU_ARGS_mips =3D -M malta -append "panic=3D-1 $(TEST:%=3DNOLIBC_TE= ST=3D%)" QEMU_ARGS_ppc =3D -M g3beige -append "console=3DttyS0 panic=3D-1 $(= TEST:%=3DNOLIBC_TEST=3D%)" +QEMU_ARGS_ppc64le =3D -M powernv -append "console=3Dhvc0 panic=3D-1 $(T= EST:%=3DNOLIBC_TEST=3D%)" QEMU_ARGS_riscv =3D -M virt -append "console=3DttyS0 panic=3D-1 $(TES= T:%=3DNOLIBC_TEST=3D%)" QEMU_ARGS_s390 =3D -M s390-ccw-virtio -m 1G -append "console=3DttyS0= panic=3D-1 $(TEST:%=3DNOLIBC_TEST=3D%)" QEMU_ARGS_loongarch =3D -M virt -append "console=3DttyS0,115200 panic=3D-= 1 $(TEST:%=3DNOLIBC_TEST=3D%)" @@ -110,6 +115,7 @@ else Q=3D@ endif =20 +CFLAGS_ppc64le =3D -m64 -mlittle-endian -Wl,-EL,-melf64ppc -mno-vsx CFLAGS_s390 =3D -m64 CFLAGS_mips =3D -EL CFLAGS_STACKPROTECTOR ?=3D $(call cc-option,-mstack-protector-guard=3Dglob= al $(call cc-option,-fstack-protector-all)) --=20 2.25.1