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authorGreg Bellows <greg.bellows@linaro.org>2014-12-15 17:09:45 -0600
committerPeter Maydell <peter.maydell@linaro.org>2014-12-22 23:12:28 +0000
commit08828484a5c1ec55a6cbb4b4d377bfcf41199b5c (patch)
tree6e3c24c093085e24ef9e3b4c1ed1718b05722dc0
parent083a58906cb32731dd98a93fcf451ec7718c0924 (diff)
target-arm: Add feature unset function
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 <greg.bellows@linaro.org> Reviewed-by: Peter Maydell <peter.maydell@linaro.org> Message-id: 1418684992-8996-9-git-send-email-greg.bellows@linaro.org Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
-rw-r--r--target-arm/cpu.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/target-arm/cpu.c b/target-arm/cpu.c
index d3db279e1b..01afed2037 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);