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[174.52.16.57]) by smtp.gmail.com with ESMTPSA id k198sm887399oih.33.2021.01.27.20.45.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 27 Jan 2021 20:45:36 -0800 (PST) From: Rebecca Cran To: qemu-devel@nongnu.org Subject: [PATCH v3 0/4] target/arm: Add support for FEAT_DIT, Data Independent Timing Date: Wed, 27 Jan 2021 21:45:25 -0700 Message-Id: <20210128044529.1403-1-rebecca@nuviainc.com> X-Mailer: git-send-email 2.26.2 MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::22e; envelope-from=rebecca@nuviainc.com; helo=mail-oi1-x22e.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 v2 to v3: o Fixed PSTATE_SS patch: - Reverted the singlestep removal. - Fixed saving cpsr into spsr. o Added DIT to the max 32-bit CPU. Rebecca Cran (4): target/arm: Remove PSTATE_SS from cpsr and move it into env->pstate. target/arm: Add support for FEAT_DIT, Data Independent Timing 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 | 2 +- target/arm/helper.c | 24 +++++++++++++++++++- target/arm/internals.h | 6 +++++ target/arm/op_helper.c | 9 +------- target/arm/translate-a64.c | 12 ++++++++++ 8 files changed, 64 insertions(+), 10 deletions(-)