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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id b10sm60652wmj.48.2020.02.24.09.28.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 Feb 2020 09:28:48 -0800 (PST) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH 0/3] target/arm: Implement v8.3-RCPC and v8.4-RCPC Date: Mon, 24 Feb 2020 17:28:43 +0000 Message-Id: <20200224172846.13053-1-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2a00:1450:4864:20::442 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: Richard Henderson Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" This patchset implements the Arm architectural features ARMv8.3-RCPC and ARMv8.4-RCPC. These provide a handful of new load and store instructions which have "LoadAcquirePC" semantics. These are slightly weaker than standard "LoadAcquire", so we choose to implement them in QEMU as LoadAcquire. Patch 1 is a trivial fix to the PMU isar function which I managed to cut-n-paste with the wrong FIELD_EX* macro. I've tested these using risu against an Arm AEM FVP model: this doesn't do anything to test the memory barrier semantics but does work as a check that the decode is correct and that the various signed/unsigned/extend/etc operations are being done correctly. thanks -- PMM Peter Maydell (3): target/arm: Fix wrong use of FIELD_EX32 on ID_AA64DFR0 target/arm: Implement v8.3-RCPC target/arm: Implement v8.4-RCPC target/arm/cpu.h | 14 ++++- linux-user/elfload.c | 2 + target/arm/cpu64.c | 1 + target/arm/translate-a64.c | 114 +++++++++++++++++++++++++++++++++++++ 4 files changed, 129 insertions(+), 2 deletions(-) -- 2.20.1