From patchwork Fri Jan 5 18:49:40 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eric Biggers X-Patchwork-Id: 13512500 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7F448C47DA9 for ; Fri, 5 Jan 2024 18:51:53 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=YORjoXXkqRHyfmBRDXvDVb5pSwWsp1qMyIwOnu0629g=; b=TMmyW/3ExwEP87 pqXDkAvbV2+g3ECkc0dIgaIs8eL6UmUMtEsLvfVm5au2lZeVJprNyAxQF7NmvEpCjrrKkBrQ1998W ByqHZ4SVF/VkcH9Yksae8qXy2rgD6CjW8fqPyks+7K/QMIiB7fFaMknV9LA4FEC0R+rmMEWdW2CGx XpwccCHvvTABniCIsZeuAELWgvj+/Ro9qBqAFd+SC/9aqzuwfT8+NBhtKQtV7+Pz7Gf+UHz428tHn 1arpf978twIRg7jsMmi2ffwK41LMgn5B8j1m5RMWZT4J+h3rJtUBU8iSiU5i+BauTcHiOGXiz7VTm Yjb3Nn/XeRgwJssV/koQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1rLpIA-0001Ld-2F; Fri, 05 Jan 2024 18:51:38 +0000 Received: from sin.source.kernel.org ([145.40.73.55]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1rLpI5-0001HC-0P for linux-riscv@lists.infradead.org; Fri, 05 Jan 2024 18:51:35 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by sin.source.kernel.org (Postfix) with ESMTP id 4EFBFCE2038; Fri, 5 Jan 2024 18:51:31 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5FF0BC433AD; Fri, 5 Jan 2024 18:51:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1704480689; bh=27H198mfFlg5dXLC/oksp1mcpXEcuJokQDeBYx0aQoY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PXaJB8WzuY5nP+yJ+mwqSjwdNaRp7yPccV92jRBlslwyh+JHEmlsu19u4IrdGKhEt 5mhE8tPnvjM3Bf7OkeUF2/mqa4cSco4uTn5Jhqifz08pFMvhIKAvi12frZQPV4iMnl fx6FLSsMhO1+AAuN3RC0KEd85h/pB95EnM2z3HTXpwq35RJRbd0txvWZCHtMwVnsTW RdJs7G0pbUuSTyRfcblBuAYp2Vbdcf+BNzGONibAzvtQXyMgFffLrn2t0oClofIphG wh1BOqH6qHSQtXemF4tt+vcBds3F9ju/Eab7+AhUgvtjc9eKxrDNKbxdaeC35L7JGO ual8jcvbyLvdQ== From: Eric Biggers To: linux-crypto@vger.kernel.org, linux-riscv@lists.infradead.org, Jerry Shih Cc: linux-kernel@vger.kernel.org, Ard Biesheuvel , Heiko Stuebner , Phoebe Chen , hongrong.hsu@sifive.com, Paul Walmsley , Palmer Dabbelt , Albert Ou , Andy Chiu Subject: [PATCH v2 04/12] RISC-V: add TOOLCHAIN_HAS_VECTOR_CRYPTO Date: Fri, 5 Jan 2024 10:49:40 -0800 Message-ID: <20240105184950.43181-5-ebiggers@kernel.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240105184950.43181-1-ebiggers@kernel.org> References: <20240105184950.43181-1-ebiggers@kernel.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240105_105133_340247_64933541 X-CRM114-Status: UNSURE ( 9.19 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org From: Eric Biggers Add a kconfig symbol that indicates whether the toolchain supports the vector crypto extensions. This is needed by the RISC-V crypto code. Signed-off-by: Eric Biggers --- arch/riscv/Kconfig | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index 95a2a06acc6a6..bf275a713b1b5 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -526,20 +526,27 @@ config RISCV_ISA_V_DEFAULT_ENABLE If you don't know what to do here, say Y. config TOOLCHAIN_HAS_ZBB bool default y depends on !64BIT || $(cc-option,-mabi=lp64 -march=rv64ima_zbb) depends on !32BIT || $(cc-option,-mabi=ilp32 -march=rv32ima_zbb) depends on LLD_VERSION >= 150000 || LD_VERSION >= 23900 depends on AS_HAS_OPTION_ARCH +# This symbol indicates that the toolchain supports all v1.0 vector crypto +# extensions, including Zvk*, Zvbb, and Zvbc. LLVM added all of these at once. +# binutils added all except Zvkb, then added Zvkb. So we just check for Zvkb. +config TOOLCHAIN_HAS_VECTOR_CRYPTO + def_bool $(as-instr, .option arch$(comma) +zvkb) + depends on AS_HAS_OPTION_ARCH + config RISCV_ISA_ZBB bool "Zbb extension support for bit manipulation instructions" depends on TOOLCHAIN_HAS_ZBB depends on MMU depends on RISCV_ALTERNATIVE default y help Adds support to dynamically detect the presence of the ZBB extension (basic bit manipulation) and enable its usage.