From patchwork Mon Jun 10 22:56:43 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Charlie Jenkins X-Patchwork-Id: 13692529 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 21E83C27C5F for ; Mon, 10 Jun 2024 22:57:14 +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:Cc:To:In-Reply-To:References:Message-Id :MIME-Version:Subject:Date:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=Fv9eKxOZfbD87CdAi4OhoJnVWbHw5UCHCEwpwYvDE0s=; b=SDRMZsqQIUGiNS 6MjE4BtDFPsU75ipwmU52DY9Z0FkPr/tf+SeO9xTqMVCQWFYycZ5OqAf/DVDMpWWaFFWRLMBACbbU vkXt7XhGPcHTthvn9FEwnxc9NOEANRH5bGvJkILQDaI+sgNZ9w2vwpFhwA13PJ2P9OONBDAxqjwaW 2kX8q3tpxm7NumuYE9WqNO0MvuSSMK+M50JrQtPWXn0x0W0JiHzoTcwve5YmAzMCPsfhaaMxx0L+1 Pc0z7Hi9E3ZdlBQh6b7ColuLx2nb8ikrYmlXf0Nfg9VoUMZmhz40olDzNShXJBmvXOQevY5g93K7Y ahR/s5rkfuzLzBy/wV8A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGnws-00000006jgh-0hJ6; Mon, 10 Jun 2024 22:57:10 +0000 Received: from mail-pg1-x529.google.com ([2607:f8b0:4864:20::529]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1sGnwi-00000006jXc-23L2 for linux-riscv@lists.infradead.org; Mon, 10 Jun 2024 22:57:04 +0000 Received: by mail-pg1-x529.google.com with SMTP id 41be03b00d2f7-6818e31e5baso4172752a12.1 for ; Mon, 10 Jun 2024 15:56:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1718060218; x=1718665018; darn=lists.infradead.org; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:from:to:cc:subject:date:message-id :reply-to; bh=P240Gh/m4dWtpIWWlN8DjDnG2wL4gQcnQEBhQHOtafc=; b=yWDLa4jxWfs7oYdCfdCo13rxguzKul4wZbkiY5xYXzFKUyhvIbOs+xDt6YpzoQnckc jst6mJ30Je1WlgPEXbYJbgzggHx8oe7WEFFPppWk1wFpN01o+VlCr+GQ9bqdcwrePtY6 f0QiZvKbi2tKpmuX5gt5Y9Df0nPOx7U1Gva/ibRsVj/70ZQLK3VA0DW5ZbXMh7QXrjwz H4REDnNQh1vDy0QwEH8KKZnViX2NPmMi9s9kaZYuCZ36H8/b6puxa4deBVGFgsBKaQOc OF8gmjV8tMUx5Gc/Znhx4mYPkDP6VQDi6EKU7TzJYFetkxe2DO+jujsa20CU+03vEnTO 60jQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1718060218; x=1718665018; h=cc:to:in-reply-to:references:message-id:content-transfer-encoding :mime-version:subject:date:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=P240Gh/m4dWtpIWWlN8DjDnG2wL4gQcnQEBhQHOtafc=; b=DaDEaoTCMJjuZz/4RGY9TuYpv465hlqrWlud/GpsJ5h9W9pbu2/lb1hlF+q+GyQ8aq qpIdwW5EVcZnOZ0hhCv8yGD8uMuY/kdt6xOOp62L3dHhbx7RBbUQUQ41pflAwjXTS1pj vJpq8KfFjnjqDYg5pYyuV/dQ6OhZ3NkyR0EHXzGGLdAKVaaq8U00SxJpadXRw6T+aZJl uasINeiwTVlsb2u6uevm2FfSiOSmtOdwazzlBZ21QtmqpJzdPgErt9i3Uuu7+EUiiWv2 Ix0Z7SEjVtD68ioM/zBoL36ZVMPOQIdohtHI0na2BHccOdWObZxWzHQQI8lUIXoEB8OR pFlA== X-Gm-Message-State: AOJu0YzmKBdqVOjRzGeyIefoq4nlnfBKz1Ncg/7JxN7m4riw/uzR7ItS 1gzUaMnmFJ006YPewZYzy11iDzCHPguhRCUXoxRCUv/NzOhF7c1bRIxEFApCqssqzKpEYicVBTE N X-Google-Smtp-Source: AGHT+IFseKGLwmj2osLDgxyS4P9gQTqGeoZhbSAjbr4fblHxFDjXaFSWzLh8Eh75n43SvPorzoMJnA== X-Received: by 2002:a05:6a20:2d0e:b0:1b6:482e:b71a with SMTP id adf61e73a8af0-1b6482ff7bfmr6284268637.62.1718060218334; Mon, 10 Jun 2024 15:56:58 -0700 (PDT) Received: from charlie.ba.rivosinc.com ([64.71.180.162]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1f71b597072sm18355865ad.99.2024.06.10.15.56.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 10 Jun 2024 15:56:57 -0700 (PDT) From: Charlie Jenkins Date: Mon, 10 Jun 2024 15:56:43 -0700 Subject: [PATCH v2 06/13] RISC-V: define the elements of the VCSR vector CSR MIME-Version: 1.0 Message-Id: <20240610-xtheadvector-v2-6-97a48613ad64@rivosinc.com> References: <20240610-xtheadvector-v2-0-97a48613ad64@rivosinc.com> In-Reply-To: <20240610-xtheadvector-v2-0-97a48613ad64@rivosinc.com> To: Conor Dooley , Rob Herring , Krzysztof Kozlowski , Paul Walmsley , Palmer Dabbelt , Albert Ou , Jisheng Zhang , Chen-Yu Tsai , Jernej Skrabec , Samuel Holland , Jonathan Corbet , Shuah Khan , Guo Ren , Evan Green , Andy Chiu , Jessica Clarke Cc: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-sunxi@lists.linux.dev, linux-doc@vger.kernel.org, linux-kselftest@vger.kernel.org, Charlie Jenkins , Heiko Stuebner , Conor Dooley , Heiko Stuebner X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1718060203; l=954; i=charlie@rivosinc.com; s=20231120; h=from:subject:message-id; bh=rl/YEju2Da4Y30TCSeGgcBJQ4jtog67tmUBEGN9KrFw=; b=IRhCPk4XbmkpRzK84lEWmQUutCnAIEIrCrTYoyF07vjrds3h/wdbdAbFu3f7IKtjrQbzVrH3b BQdDwVsjJq7D1QtIM9g/0505gvg5bTytwfowlYZHjPzLPpzNFKDydTs X-Developer-Key: i=charlie@rivosinc.com; a=ed25519; pk=t4RSWpMV1q5lf/NWIeR9z58bcje60/dbtxxmoSfBEcs= X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240610_155700_686077_2BFE4B5E X-CRM114-Status: UNSURE ( 9.03 ) 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: Heiko Stuebner The VCSR CSR contains two elements VXRM[2:1] and VXSAT[0]. Define constants for those to access the elements in a readable way. Acked-by: Guo Ren Reviewed-by: Conor Dooley Signed-off-by: Heiko Stuebner Signed-off-by: Charlie Jenkins --- arch/riscv/include/asm/csr.h | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/arch/riscv/include/asm/csr.h b/arch/riscv/include/asm/csr.h index 25966995da04..18e178d83401 100644 --- a/arch/riscv/include/asm/csr.h +++ b/arch/riscv/include/asm/csr.h @@ -216,6 +216,11 @@ #define SMSTATEEN0_SSTATEEN0_SHIFT 63 #define SMSTATEEN0_SSTATEEN0 (_ULL(1) << SMSTATEEN0_SSTATEEN0_SHIFT) +/* VCSR flags */ +#define VCSR_VXRM_MASK 3 +#define VCSR_VXRM_SHIFT 1 +#define VCSR_VXSAT_MASK 1 + /* symbolic CSR names: */ #define CSR_CYCLE 0xc00 #define CSR_TIME 0xc01