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[59.124.168.89]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-211d0f51fe0sm86206255ad.233.2024.11.19.23.46.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Nov 2024 23:46:39 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1732088800; x=1732693600; 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=HRHaR9pcBAF9H3M4At6noJSbZrF61K68F3kyhCd72IY=; b=O37um4Fyx3sMCD/6QODtos4skTx21fc18kxLuGToLxTl3M2KfMtrrEiUC92+xVINBG izEJ1WDyfBJpt9B25K/PDc9nxQKtXl3sJsyXKYZXIRsbnGL4hS2ltDhYyZyjRwNUZ8Ma l4Bxtt3Ujs2x63RPWbTQPt+uIkmKTupwr77ERgskUF6kjc/oTeLNIOCTdsSFkzPgkuYt Z9ftq/kbJRCzKLKLhjiSZJUIVivIVDPLagM+alnlDMHDvvk7PS1rctD0VvKrWn/9ukV1 i5CABcVxSt4SxSjJ2v10mXY9dLmfhRihsBITBJPurrVrn3oT8SbE3Bv/LbL7LZ8BWxyG j2Rw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1732088800; x=1732693600; 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=HRHaR9pcBAF9H3M4At6noJSbZrF61K68F3kyhCd72IY=; b=WtJZYAs1du9cr211gawf97G7nKwBHjo281RczKiW7yJIc0RBvLN7u/3XpNOKFcLM7z LLrZWrYGQsW/4LXYIZpuke5CVPDlTXusA0AmWki6kE763z8e5BJDV7sACR08pMSw10dY sMimnGZaaBG/lZdtYQFNGO1+KrnwRrkmLTD+o0Mclc9RvdWDqJz5IK1rNvXrRLwjKugv eLQtP2CkalM8lrfn+4Z129U08Zi0V2vWTRJJyntxtUUjcaCarugDcafWQxLKVXt3hpfs iYptTnzVBMaFkzhMPQlSrb7HW8G+EMQyjaBCSA6z8V3qQu7Ou1pbmNsaf4JaHC3w5if0 1NEg== X-Gm-Message-State: AOJu0YyWzUbxQwWw2zbWjgPO0uY/B/hoPPdobeVK2iQdotrpkwxLyK7R AhYbVpwVTnm6r8zv7x4qW0qmO/Tjldw2SlW+jMDMnk6PDdTl34fkObQpOV1qoIc/h0z7PHumvw0 augL+1ldD+7tTryu37jHk+p862WnQ9yOjyktJCEmrk4BXkbdBxuRXCvfHgm5PWa8wOiZN+5ZDve Zam3Ay+4LFEBmWTbpgjjWAQ5uGAj1StFzSbAM= X-Google-Smtp-Source: AGHT+IHqhWv6J413TU13WsyC8gl1egXxQ/eIZHTFWmLXR4B4ToJ1WO1qNLAM8crBNbdRN1dvXXVaTQ== X-Received: by 2002:a05:6a20:9195:b0:1db:e1b0:b673 with SMTP id adf61e73a8af0-1ddae2f047bmr2563194637.9.1732088799524; Tue, 19 Nov 2024 23:46:39 -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 v4 1/6] target/riscv: Add svukte extension capability variable Date: Wed, 20 Nov 2024 15:48:49 +0800 Message-Id: <20241120074854.1767780-2-fea.wang@sifive.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241120074854.1767780-1-fea.wang@sifive.com> References: <20241120074854.1767780-1-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: 1732088901316116600 Content-Type: text/plain; charset="utf-8" Refer to the draft of svukte extension from: https://github.com/riscv/riscv-isa-manual/pull/1564 Svukte provides a means to make user-mode accesses to supervisor memory raise page faults in constant time, mitigating attacks that attempt to discover the supervisor software's address-space layout. 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_cfg.h | 1 + 1 file changed, 1 insertion(+) diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h index 59d6fc445d..d8771ca641 100644 --- a/target/riscv/cpu_cfg.h +++ b/target/riscv/cpu_cfg.h @@ -84,6 +84,7 @@ struct RISCVCPUConfig { bool ext_svnapot; bool ext_svpbmt; bool ext_svvptc; + bool ext_svukte; bool ext_zdinx; bool ext_zaamo; bool ext_zacas; --=20 2.34.1