target/arm: add arm_is_el2_enabled() helper
This checks if EL2 is enabled (meaning EL2 registers take effects) in the current security context. Signed-off-by: Rémi Denis-Courmont <remi.denis.courmont@huawei.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-id: 20210112104511.36576-2-remi.denis.courmont@huawei.com Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
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@ -2148,6 +2148,18 @@ static inline bool arm_is_secure(CPUARMState *env)
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return arm_is_secure_below_el3(env);
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return arm_is_secure_below_el3(env);
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}
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}
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/*
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* Return true if the current security state has AArch64 EL2 or AArch32 Hyp.
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* This corresponds to the pseudocode EL2Enabled()
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*/
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static inline bool arm_is_el2_enabled(CPUARMState *env)
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{
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if (arm_feature(env, ARM_FEATURE_EL2)) {
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return !arm_is_secure_below_el3(env);
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}
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return false;
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}
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#else
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#else
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static inline bool arm_is_secure_below_el3(CPUARMState *env)
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static inline bool arm_is_secure_below_el3(CPUARMState *env)
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{
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{
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@ -2158,6 +2170,11 @@ static inline bool arm_is_secure(CPUARMState *env)
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{
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{
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return false;
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return false;
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}
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}
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static inline bool arm_is_el2_enabled(CPUARMState *env)
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{
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return false;
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}
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#endif
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#endif
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/**
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/**
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