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[97.113.188.82]) by smtp.gmail.com with ESMTPSA id k1sm23481857pgq.45.2019.02.20.15.50.18 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Wed, 20 Feb 2019 15:50:18 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Wed, 20 Feb 2019 15:50:15 -0800 Message-Id: <20190220235017.1060-1-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.2 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::52d Subject: [Qemu-devel] [PATCH 0/2] target/arm: SB and PredRes extensions X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Both of these are defined by the ARMv8.5 spec, but back-defined as v8.0 extensions. All of the relevant instructions are nops within QEMU. Tested by locally setting SCTLR_EL1.EnRCTX for aarch64-linux-user and then executing each of the insns to see that they decode properly. The SB extension is already upstream in linux 5.0-rc1, with the HWCAP entry. The PredRes extension has no upstream support yet, so we need to wait to see what they do for userland ABI. r~ Richard Henderson (2): target/arm: Implement ARMv8.0-SB target/arm: Implement ARMv8.0-PredRes target/arm/cpu.h | 21 ++++++++++++++++ linux-user/elfload.c | 1 + target/arm/cpu.c | 2 ++ target/arm/cpu64.c | 4 ++++ target/arm/helper.c | 49 ++++++++++++++++++++++++++++++++++++++ target/arm/translate-a64.c | 14 +++++++++++ target/arm/translate.c | 22 +++++++++++++++++ 7 files changed, 113 insertions(+) -- 2.17.2