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[174.52.16.57]) by smtp.gmail.com with ESMTPSA id b12sm32909oti.65.2021.02.16.14.45.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Feb 2021 14:45:52 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nuviainc-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=97kB+nyl96mKMiXXe0WJ0gyYIf0q0XHV2YeMSKLBYDo=; b=tgSyp9fQIY/GiS8e29th3+Jda8Xjm87jKfEOil0hS70pgrRgDv/iIltSQslk76J2FS ukfy40+KPlbDMz+Nov2EYkNA9JGo7yHm1/vUjoC6IZhJhVVDr4C+zeEzPfzsBH9Oi1hc WUSrpYNRKN5jpBtlGoLH+IVo9UpbKtsF0HwNPXmmCXxh+etAj+UZxtfzgCTlibbv6epL et1o4GS7w4HxkOYacbNu0s1TKebsyq21uwky3ERISJplWxpPIMlCR+hTRXNR6G+Mvcmz PFqdF97kCEs2E/wVggknFX5Taz9Lev9Laf6x72cE7BN3k0ZgKvKEK1KYz51VJLeB+lw8 fD7w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=97kB+nyl96mKMiXXe0WJ0gyYIf0q0XHV2YeMSKLBYDo=; b=HS27Rf1OxPopyN1FzGTbBJXOWg2jk2OUwRsaSNWQCpsGF9JTQ7dj5kGDoEStapWKBk Yp5/VoKBK832cYl0U+q+4isgmz1iQ9ve4uT0KMTZWN52/EGfDt+Aq6OIpLA1jKVbMze+ jR7aLGD9fmCqH4bfeJ9kR/a6OccStW1Iknmeb48zBUDFtcSA02wx9ZG/ciWV9IStB2ym 4dmwIcBS4y5qZJjg8oqpK6I1ZPKraMaXG8JLOdLc47zbvQqwPxoToUX+pu1zK72KPkpo YVEfzsQAIJGuHSEGhOcc7V0gGuY8+0roBxahGUSuqH14lWCQuMnys+bwWqGC9osDz44L lNAw== X-Gm-Message-State: AOAM5316PwToY7Xo9ccb70TIvBStirdpUEUp1T9fk4U52vFCRE4yKL9R jdpWTx9iJ6Zbfc7GsRK5NO1mrQ== X-Google-Smtp-Source: ABdhPJwkdyfi3Y5YB45ww5bqfCZVrt6qhMG5NxVlXMbYJmlQldDDz2hIZ2SIdRnubKiKQEh6kBOS5Q== X-Received: by 2002:a9d:6d85:: with SMTP id x5mr4634595otp.338.1613515553326; Tue, 16 Feb 2021 14:45:53 -0800 (PST) From: Rebecca Cran To: qemu-arm@nongnu.org, Peter Maydell Subject: [PATCH v2 2/3] target/arm: Enable FEAT_SSBS for "max" AARCH64 CPU Date: Tue, 16 Feb 2021 15:45:42 -0700 Message-Id: <20210216224543.16142-3-rebecca@nuviainc.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20210216224543.16142-1-rebecca@nuviainc.com> References: <20210216224543.16142-1-rebecca@nuviainc.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::32f; envelope-from=rebecca@nuviainc.com; helo=mail-ot1-x32f.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Rebecca Cran , Richard Henderson , qemu-devel@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) Content-Type: text/plain; charset="utf-8" Set ID_AA64PFR1_EL1.SSBS to 2 and ID_PFR2.SSBS to 1. Signed-off-by: Rebecca Cran Reviewed-by: Richard Henderson --- target/arm/cpu64.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index c255f1bcc393..f0a9e968c9c1 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -674,6 +674,7 @@ static void aarch64_max_initfn(Object *obj) =20 t =3D cpu->isar.id_aa64pfr1; t =3D FIELD_DP64(t, ID_AA64PFR1, BT, 1); + t =3D FIELD_DP64(t, ID_AA64PFR1, SSBS, 2); /* * Begin with full support for MTE. This will be downgraded to MTE= =3D0 * during realize if the board provides no tag memory, much like @@ -723,6 +724,10 @@ static void aarch64_max_initfn(Object *obj) u =3D FIELD_DP32(u, ID_PFR0, DIT, 1); cpu->isar.id_pfr0 =3D u; =20 + u =3D cpu->isar.id_pfr2; + u =3D FIELD_DP32(u, ID_PFR2, SSBS, 1); + cpu->isar.id_pfr2 =3D u; + u =3D cpu->isar.id_mmfr3; u =3D FIELD_DP32(u, ID_MMFR3, PAN, 2); /* ATS1E1 */ cpu->isar.id_mmfr3 =3D u; --=20 2.26.2