From nobody Sat Nov 23 21:41:28 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=sifive.com ARC-Seal: i=1; a=rsa-sha256; t=1731402834; cv=none; d=zohomail.com; s=zohoarc; b=IvA+khBBTIzbqRj2vNAF0M7JWvKV0oMqDDhBak82sQ4QLbYZUhv/LHhMUery91IS116bnO/3uA1wuSkJAkVhXsxUR9Ub31DNWmCt0Zc6f1iAnp9KhRyrthtv4XATu/uuT9OuvCQ/mTjke3AQY9oZwvpqwjZTUn+2Dy43cpDYEHI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1731402834; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=0c34hxrwlKiDfAhthRfad0+IjKl7JigOsGotvoYbcI0=; b=QTC4aSIOGDp9P62tQ8igbVFIwaBzdFCrNih4EX3cJImo87G2OlF9iKdPdKRtCWa1PiTa/udUFjOVrSbTJY8o/aWOpVK5KnztnEwvJ9HyA3ew3S+bjC2baZsqXaALchVRiEtp5fbyH9ZbhSGIxVI3WJseZeu4ncPfkBJBBWePfHY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass header.from= (p=reject dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1731402834935512.2961158892289; Tue, 12 Nov 2024 01:13:54 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1tAmwi-0007ca-St; Tue, 12 Nov 2024 04:12:25 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1tAmwW-0007X2-AD for qemu-devel@nongnu.org; Tue, 12 Nov 2024 04:12:12 -0500 Received: from mail-pg1-x534.google.com ([2607:f8b0:4864:20::534]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1tAmwT-0007kF-JX for qemu-devel@nongnu.org; Tue, 12 Nov 2024 04:12:11 -0500 Received: by mail-pg1-x534.google.com with SMTP id 41be03b00d2f7-7e9e38dd5f1so4088682a12.0 for ; Tue, 12 Nov 2024 01:12:08 -0800 (PST) Received: from hsinchu36-syssw02.internal.sifive.com (59-124-168-89.hinet-ip.hinet.net. [59.124.168.89]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e99a4f6c96sm13495347a91.2.2024.11.12.01.12.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 12 Nov 2024 01:12:06 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1731402727; x=1732007527; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=0c34hxrwlKiDfAhthRfad0+IjKl7JigOsGotvoYbcI0=; b=SXvc4HLnGczTRaDZjUlvM/3BqA9e32hPKGbk+7sBJJMa1CuCKsst423QhQUEzqY/Bf wdFdYpvCqZI4ygs4QNYle9iITYIpR/IYDx+je+mBQW134JlSIPMBV/kYA3bfHVnG+6HW njvlKPK/uru5kwFSP1DUFqj1MI17KtuepNjiqr63La6LLM54e+Qjvk47zWJtTBbBg4eh NKZKZ4msdcJqX54ioI6HD3E6ySwwM1JYJKAfVi1+ZVaOeNz499ABLzaZQJG3K7/BvSKZ xk0Cm6ewnkWzT5VA/f2tq/RE91dExeM2drhbvzJ42Hml7fnAkXC5D24Hf5I1Rup4wYn+ c4HA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731402727; x=1732007527; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=0c34hxrwlKiDfAhthRfad0+IjKl7JigOsGotvoYbcI0=; b=MuzqabORkuk2xCW1aOn8qBgLEqNQx8RqXOxnCBBrDGWt0cR7swvtkFcmsiPS4JnYsD ewAEIPnV9imsXV1UtcrOsOcPgIBgggWeD7lXJCoQwTeTKoWdtxHjKAbj3fOrxyG//lB3 tdCAFL45jZEl1ZHEcrN5gdoqfH7v1CLU+JWwRw5Sul7iNb5fWbUXRxbpfUoWva1Sy0qp waJJNPY+E0UEpVMPt88Kxj/+vuY8RnAEBhCGLKrAZwC88f/aAEBRKL7uEMeYaxMiuVYG p1lUxGomhhkzxyZx8iPvr9W5LqIDQuR8pd6RWjE52Hfe+dKh5+TqnBa9eRIMyG/xL4KM 8A9w== X-Gm-Message-State: AOJu0YxsJLJdOOu0i/yWJ6tS3IPOTwU9G9OPoV9QWidTHGbfO7UYM/I9 Q421ZVt4rGNqa1/DGaAR1bEk+tatonMCsfL2oAersDaIcS9GnIZ/iovEvBzXcIdUZHsZ0ulSN4n ejCveXLoViJ7FdJG1EEpq6QuUv6XROqM7YVIfCBwCNVRcBMYd8VqPFNqek0KHHNkayeufrfF+Un hbtHaEcRFBbR7UzR0ObabWZCVhWishmfNGYXE= X-Google-Smtp-Source: AGHT+IEYW3KgrEsOWfQXzP2K/rvNfxQfm8dV2eTEteoVeB1kLHOPkpOz0g/jtVAcJ4+L4WGSTk+/sA== X-Received: by 2002:a17:90b:4b91:b0:2e2:b46f:d92c with SMTP id 98e67ed59e1d1-2e9b172023bmr19677440a91.14.1731402727448; Tue, 12 Nov 2024 01:12:07 -0800 (PST) From: "Fea.Wang" To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Cc: Palmer Dabbelt , Alistair Francis , Bin Meng , Weiwei Li , Daniel Henrique Barboza , Liu Zhiwei , "Fea.Wang" , Frank Chang , Jim Shu Subject: [PATCH v3 2/5] target/riscv: Support senvcfg[UKTE] bit when svukte extension is enabled Date: Tue, 12 Nov 2024 17:14:20 +0800 Message-Id: <20241112091423.2529583-3-fea.wang@sifive.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241112091423.2529583-1-fea.wang@sifive.com> References: <20241112091423.2529583-1-fea.wang@sifive.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::534; envelope-from=fea.wang@sifive.com; helo=mail-pg1-x534.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @sifive.com) X-ZM-MESSAGEID: 1731402835942116600 Content-Type: text/plain; charset="utf-8" Svukte extension add UKTE bit, bit[8] in senvcfg CSR. The bit will be supported when the svukte extension is enabled. When senvcfg[UKTE] bit is set, the memory access from U-mode should do the svukte check only except HLV/HLVX/HSV H-mode instructions which depend on hstatus[HUKTE]. Signed-off-by: Fea.Wang Reviewed-by: Frank Chang Reviewed-by: Jim Shu Reviewed-by: Daniel Henrique Barboza Reviewed-by: Alistair Francis --- target/riscv/cpu_bits.h | 1 + target/riscv/csr.c | 4 ++++ 2 files changed, 5 insertions(+) diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index 385a2c67c2..4b9f899217 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -785,6 +785,7 @@ typedef enum RISCVException { #define SENVCFG_CBIE MENVCFG_CBIE #define SENVCFG_CBCFE MENVCFG_CBCFE #define SENVCFG_CBZE MENVCFG_CBZE +#define SENVCFG_UKTE BIT(8) =20 #define HENVCFG_FIOM MENVCFG_FIOM #define HENVCFG_LPE MENVCFG_LPE diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 9846770820..1936a6f32a 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -2453,6 +2453,10 @@ static RISCVException write_senvcfg(CPURISCVState *e= nv, int csrno, mask |=3D SENVCFG_SSE; } =20 + if (env_archcpu(env)->cfg.ext_svukte) { + mask |=3D SENVCFG_UKTE; + } + env->senvcfg =3D (env->senvcfg & ~mask) | (val & mask); return RISCV_EXCP_NONE; } --=20 2.34.1