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[174.52.16.57]) by smtp.gmail.com with ESMTPSA id a21sm529203ioa.34.2021.02.02.20.58.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Feb 2021 20:58:19 -0800 (PST) From: Rebecca Cran To: qemu-devel@nongnu.org Subject: [PATCH v4 0/4] target/arm: Add support for FEAT_DIT, Data Independent Timing Date: Tue, 2 Feb 2021 21:58:12 -0700 Message-Id: <20210203045816.10953-1-rebecca@nuviainc.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::d33; envelope-from=rebecca@nuviainc.com; helo=mail-io1-xd33.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: Peter Maydell , Rebecca Cran , Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add support for FEAT_DIT. DIT (Data Independent Timing) is a required feature for ARMv8.4. Changes from v3 to v4: o Fixed AA32 DIT/PSTATE_SS patch following review feedback. Rebecca Cran (4): target/arm: Add support for FEAT_DIT, Data Independent Timing target/arm: Support AA32 DIT by moving PSTATE_SS from cpsr into env->pstate target/arm: Set ID_AA64PFR0.DIT and ID_PFR0.DIT to 1 for "max" AA64 CPU target/arm: Set ID_PFR0.DIT to 1 for "max" 32-bit CPU target/arm/cpu.c | 4 ++ target/arm/cpu.h | 12 +++++ target/arm/cpu64.c | 5 ++ target/arm/helper-a64.c | 32 +++++++++++-- target/arm/helper.c | 49 +++++++++++++++++--- target/arm/internals.h | 6 +++ target/arm/op_helper.c | 9 +--- target/arm/translate-a64.c | 12 +++++ 8 files changed, 110 insertions(+), 19 deletions(-) -- 2.26.2