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[67.52.129.61]) by mx.google.com with ESMTPSA id uq15sm10402467pab.8.2014.12.15.15.10.14 for (version=TLSv1.1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Mon, 15 Dec 2014 15:10:14 -0800 (PST) From: Greg Bellows To: qemu-devel@nongnu.org, serge.fdrv@gmail.com, edgar.iglesias@gmail.com, aggelerf@ethz.ch, peter.maydell@linaro.org Date: Mon, 15 Dec 2014 17:09:45 -0600 Message-Id: <1418684992-8996-9-git-send-email-greg.bellows@linaro.org> X-Mailer: git-send-email 1.8.3.2 In-Reply-To: <1418684992-8996-1-git-send-email-greg.bellows@linaro.org> References: <1418684992-8996-1-git-send-email-greg.bellows@linaro.org> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.85.192.169 Cc: Greg Bellows Subject: [Qemu-devel] [PATCH v4 08/15] target-arm: Add feature unset function X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: , List-Help: , List-Subscribe: , Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: qemu-devel-bounces+patch=linaro.org@nongnu.org X-Removed-Original-Auth: Dkim didn't pass. X-Original-Sender: greg.bellows@linaro.org X-Original-Authentication-Results: mx.google.com; spf=pass (google.com: domain of patch+caf_=patchwork-forward=linaro.org@linaro.org designates 209.85.215.53 as permitted sender) smtp.mail=patch+caf_=patchwork-forward=linaro.org@linaro.org Mailing-list: list patchwork-forward@linaro.org; contact patchwork-forward+owners@linaro.org X-Google-Group-Id: 836684582541 Add an unset_feature() function to compliment the set_feature() function. This will be used to disable functions after they have been enabled during initialization. Signed-off-by: Greg Bellows Reviewed-by: Peter Maydell --- target-arm/cpu.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/target-arm/cpu.c b/target-arm/cpu.c index d3db279..01afed2 100644 --- a/target-arm/cpu.c +++ b/target-arm/cpu.c @@ -327,6 +327,11 @@ static inline void set_feature(CPUARMState *env, int feature) env->features |= 1ULL << feature; } +static inline void unset_feature(CPUARMState *env, int feature) +{ + env->features &= ~(1ULL << feature); +} + static void arm_cpu_initfn(Object *obj) { CPUState *cs = CPU(obj);