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[59.124.168.89]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-2e99a541da0sm5540135a91.13.2024.11.08.00.50.12 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 08 Nov 2024 00:50:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; t=1731055815; x=1731660615; 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=sEmCxbl+Y3HZznqa/XZg2IpCkVrU8IkpAKmlqF/0zpY=; b=AMMSaP+I/ATKXPgWZgTF0UB9UJ9fXUicpLmD9kSNl7mCWe2L4+92bvKhMg4FOFI6Bm 58h0lOEEwqs/rX0PEiRRQKWPd7LB71ZysgaBrlXW0shtXBpWEb5wkjE3+++1VnpkqCAd vZ1SCPs/NPfBMHi5Ay+yeBSqy7a+lZFfVqEiY/wjpQj2dv5SaszlP9axCFtUDpLRbU3N d3jxg1pOgld9rJaqA/BfIsZ+11diKDIXmlXAXmFWxs7Rs34tllUIcDRHrckTQQ6xWjWY 3DrsDNfiX1YHUHf8ixXNaIn0ilCF/etR89L144v1iXfdnUmB7RD6frETQcVPl9QWQjrd UgUw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731055815; x=1731660615; 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=sEmCxbl+Y3HZznqa/XZg2IpCkVrU8IkpAKmlqF/0zpY=; b=PAreb6O5Cw9JU+gwMi6T+k4hDuzQtz/RQ4a2eM7x27GX0gKxSbC/Lq6tbvnekNKc5O hRvDAz3BadOWlRYUM9FhGUV+/eFJS6BKzNb9TUCeSk1zUpwb+D2bB0kQoujy/Y5tmfxd otwe2P4nBhKzYOw9aHjR1KOXWJNP434QI6STVz8tS+KS9Z/lUavjZZ9RnPFPqt7KKfvA WWcn116EfcMYSHimPpmHfsZ71nwNKcRpCLX9UHSpsKlQStndH/rmBBtl24ZPw37cVeMo o7tcafcP5c6AtsIraDmaTKMBA/CTwG8z1NYlOY0rBFX0D/HBgamV7FDgaC5lnKZc/VKj K3aw== X-Gm-Message-State: AOJu0Yx6dJdo+oS7iHMmKy93bmzYVRI4oKIQFTEeAzK1afSqEai5qnbx JT+xlTSgl1xuZy46EE76/o0OEgVBsKv5fWzfxYbwi3Jnsb0eZwHHeBjFSR5ntTOC2WqIRZBsNij 8bhBeVKpOKo4gQdj9/XlpjxfXNBbVy516tVs1Ak/mQ7jT1W3p0DmUmkeKr5FP+WX0ncznlUizNH VSZjnwG/qRQNaMZ6z7X/wY3gxBnUt6cy9/I5c= X-Google-Smtp-Source: AGHT+IEjy6IEj9WlZJHNrKAJbCmBarUhx+MLwOk/TkQKLLM0Jj1woJHEsXc6paHNj/BUSA0PkaMcug== X-Received: by 2002:a05:6a20:a12b:b0:1db:e5ac:3d5b with SMTP id adf61e73a8af0-1dc22b92926mr2584016637.39.1731055814892; Fri, 08 Nov 2024 00:50:14 -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 v2 1/5] target/riscv: Add svukte extension capability variable Date: Fri, 8 Nov 2024 16:52:35 +0800 Message-Id: <20241108085239.2927152-2-fea.wang@sifive.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241108085239.2927152-1-fea.wang@sifive.com> References: <20241108085239.2927152-1-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::42d; envelope-from=fea.wang@sifive.com; helo=mail-pf1-x42d.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: 1731055852236116600 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 --- 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