From patchwork Fri Oct 19 22:07:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lukas Auer X-Patchwork-Id: 987062 X-Patchwork-Delegate: uboot@andestech.com Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=lists.denx.de (client-ip=81.169.180.215; helo=lists.denx.de; envelope-from=u-boot-bounces@lists.denx.de; receiver=) Authentication-Results: ozlabs.org; dmarc=none (p=none dis=none) header.from=aisec.fraunhofer.de Received: from lists.denx.de (dione.denx.de [81.169.180.215]) by ozlabs.org (Postfix) with ESMTP id 42cKsp5FfHz9sjG for ; Sat, 20 Oct 2018 09:12:46 +1100 (AEDT) Received: by lists.denx.de (Postfix, from userid 105) id 4B263C21CB1; Fri, 19 Oct 2018 22:11:15 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on lists.denx.de X-Spam-Level: X-Spam-Status: No, score=0.0 required=5.0 tests=none autolearn=unavailable autolearn_force=no version=3.4.0 Received: from lists.denx.de (localhost [IPv6:::1]) by lists.denx.de (Postfix) with ESMTP id 75042C21D8E; Fri, 19 Oct 2018 22:11:13 +0000 (UTC) Received: by lists.denx.de (Postfix, from userid 105) id D1B56C21DB5; Fri, 19 Oct 2018 22:09:37 +0000 (UTC) Received: from mail-edgeKA24.fraunhofer.de (mail-edgeka24.fraunhofer.de [153.96.1.24]) by lists.denx.de (Postfix) with ESMTPS id 56D7DC21D74 for ; Fri, 19 Oct 2018 22:09:34 +0000 (UTC) X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A2EeAADjVMpb/xwBYJlkGgEBAQEBAgEBAQEHAgEBAQGBVAIBAQEBCwGCBIFTOoxsizubFg2EbAKFCSE3Cg0BAwEBAgEBAgICaSiFPAZ5EFE9GgYOBYMhggEBqH+KGgkBhyKEI4FYP4N1hXmFDQKeQQcCgQ2BAQSOTwsXiSuGfpZSgVkjgVUzGiSDO5BZbQGMJAEB X-IPAS-Result: A2EeAADjVMpb/xwBYJlkGgEBAQEBAgEBAQEHAgEBAQGBVAIBAQEBCwGCBIFTOoxsizubFg2EbAKFCSE3Cg0BAwEBAgEBAgICaSiFPAZ5EFE9GgYOBYMhggEBqH+KGgkBhyKEI4FYP4N1hXmFDQKeQQcCgQ2BAQSOTwsXiSuGfpZSgVkjgVUzGiSDO5BZbQGMJAEB X-IronPort-AV: E=Sophos;i="5.54,401,1534802400"; d="scan'208";a="10736498" Received: from mail-mtaka28.fraunhofer.de ([153.96.1.28]) by mail-edgeKA24.fraunhofer.de with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 20 Oct 2018 00:09:34 +0200 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: A0CjAAAiVcpb/xBhWMBkHAEBAQQBAQcEAQGBVAQBAQsBhBGMbKZRDYRsAoUpNwoNAQMBAQIBAQJtKIU7BnkQUT0aBg4FgyGCAqh/ihoJAYcihXs/g3WFeYUNAp5BBwKBDYEBBI5PCxeJK4Z+llKBWSKBVTMaJIM7kFk9MAGMJAEB X-IronPort-AV: E=Sophos;i="5.54,401,1534802400"; d="scan'208";a="18910097" Received: from fgdemucivp01ltm.xch.fraunhofer.de (HELO FGDEMUCIMP11EXC.ads.fraunhofer.de) ([192.88.97.16]) by mail-mtaKA28.fraunhofer.de with ESMTP/TLS/AES256-SHA; 20 Oct 2018 00:09:34 +0200 Received: from localhost.de (10.80.233.50) by FGDEMUCIMP11EXC.ads.fraunhofer.de (10.80.232.42) with Microsoft SMTP Server (TLS) id 14.3.408.0; Sat, 20 Oct 2018 00:10:52 +0200 From: Lukas Auer To: Date: Sat, 20 Oct 2018 00:07:19 +0200 Message-ID: <20181019220743.15020-7-lukas.auer@aisec.fraunhofer.de> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20181019220743.15020-1-lukas.auer@aisec.fraunhofer.de> References: <20181019220743.15020-1-lukas.auer@aisec.fraunhofer.de> MIME-Version: 1.0 X-TM-AS-Product-Ver: SMEX-11.0.0.4179-8.200.1013-24166.002 X-TM-AS-Result: No--1.937400-8.000000-31 X-TM-AS-User-Approved-Sender: No X-TM-AS-User-Blocked-Sender: No Subject: [U-Boot] [PATCH 06/30] riscv: add Kconfig entries for the C and A ISA extensions X-BeenThere: u-boot@lists.denx.de X-Mailman-Version: 2.1.18 Precedence: list List-Id: U-Boot discussion List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: u-boot-bounces@lists.denx.de Sender: "U-Boot" Add Kconfig entries for the C (compressed instructions) and A (atomic instructions) ISA extensions. Only the C ISA extension is selectable. This matches the configuration in Linux. The Kconfig entries are not used yet. A follow-up patch will select the appropriate compiler flags based on the Kconfig configuration. Signed-off-by: Lukas Auer --- arch/riscv/Kconfig | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/riscv/Kconfig b/arch/riscv/Kconfig index b81e0d990a..e15329c35e 100644 --- a/arch/riscv/Kconfig +++ b/arch/riscv/Kconfig @@ -38,6 +38,15 @@ config ARCH_RV64I endchoice +config RISCV_ISA_C + bool "Emit compressed instructions" + default y + help + This enables the compressed instructions ("C") ISA extension. + +config RISCV_ISA_A + def_bool y + config 32BIT bool