From patchwork Wed Jul 2 21:44:21 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mark Hatle X-Patchwork-Id: 66149 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 aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6FE49C83F04 for ; Wed, 2 Jul 2025 21:44:31 +0000 (UTC) Received: from gate.crashing.org (gate.crashing.org [63.228.1.57]) by mx.groups.io with SMTP id smtpd.web10.8361.1751492667147071152 for ; Wed, 02 Jul 2025 14:44:27 -0700 Authentication-Results: mx.groups.io; dkim=none (message not signed); spf=pass (domain: kernel.crashing.org, ip: 63.228.1.57, mailfrom: mark.hatle@kernel.crashing.org) Received: from kernel.crashing.org.net (70-99-78-136.nuveramail.net [70.99.78.136] (may be forged)) by gate.crashing.org (8.18.1/8.18.1/Debian-2) with ESMTP id 562LiP2u015441 for ; Wed, 2 Jul 2025 16:44:26 -0500 From: Mark Hatle To: openembedded-core@lists.openembedded.org Subject: [PATCH v3 3/6] kernel.bbclass: State riscv required tune_features for Linux Date: Wed, 2 Jul 2025 16:44:21 -0500 Message-Id: <1751492664-12569-4-git-send-email-mark.hatle@kernel.crashing.org> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1751492664-12569-1-git-send-email-mark.hatle@kernel.crashing.org> References: <1751492664-12569-1-git-send-email-mark.hatle@kernel.crashing.org> List-Id: X-Webhook-Received: from li982-79.members.linode.com [45.33.32.79] by aws-us-west-2-korg-lkml-1.web.codeaurora.org with HTTPS for ; Wed, 02 Jul 2025 21:44:31 -0000 X-Groupsio-URL: https://lists.openembedded.org/g/openembedded-core/message/219853 From: Mark Hatle Required: rv32ima_zicsr_zifencei rv64ima_zicsr_zifencei See the arch/riscv/Makefile: riscv-march-$(CONFIG_ARCH_RV32I) := rv32ima riscv-march-$(CONFIG_ARCH_RV64I) := rv64ima riscv-march-$(CONFIG_TOOLCHAIN_NEEDS_EXPLICIT_ZICSR_ZIFENCEI) := $(riscv-march-y)_zicsr_zifencei Signed-off-by: Mark Hatle --- meta/classes-recipe/kernel.bbclass | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/meta/classes-recipe/kernel.bbclass b/meta/classes-recipe/kernel.bbclass index 2d9943c8a0..eb03424dfc 100644 --- a/meta/classes-recipe/kernel.bbclass +++ b/meta/classes-recipe/kernel.bbclass @@ -4,10 +4,14 @@ # SPDX-License-Identifier: MIT # -inherit linux-kernel-base kernel-module-split +inherit linux-kernel-base kernel-module-split features_check COMPATIBLE_HOST = ".*-linux" +# Linux has a minimum ISA requires on riscv, see arch/riscv/Makefile +REQUIRED_TUNE_FEATURES:riscv32 = "rv 32 i m a zicsr zifencei" +REQUIRED_TUNE_FEATURES:riscv64 = "rv 64 i m a zicsr zifencei" + KERNEL_PACKAGE_NAME ??= "kernel" KERNEL_DEPLOYSUBDIR ??= "${@ "" if (d.getVar("KERNEL_PACKAGE_NAME") == "kernel") else d.getVar("KERNEL_PACKAGE_NAME") }"