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Signed-off-by: Richard Henderson --- target/arm/cpu.h | 1 + target/arm/helper.c | 10 ++++++++++ 2 files changed, 11 insertions(+) diff --git a/target/arm/cpu.h b/target/arm/cpu.h index c79393d9c2..b36436ee2b 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -2639,6 +2639,7 @@ static inline bool arm_is_el2_enabled(CPUARMState *en= v) */ uint64_t arm_hcr_el2_eff_secstate(CPUARMState *env, ARMSecuritySpace space= ); uint64_t arm_hcr_el2_eff(CPUARMState *env); +uint64_t arm_hcr_el2_nvx_eff(CPUARMState *env); uint64_t arm_hcrx_el2_eff(CPUARMState *env); =20 /* diff --git a/target/arm/helper.c b/target/arm/helper.c index 37cfd2064c..e3ea5254c5 100644 --- a/target/arm/helper.c +++ b/target/arm/helper.c @@ -3899,6 +3899,16 @@ uint64_t arm_hcr_el2_eff(CPUARMState *env) return arm_hcr_el2_eff_secstate(env, arm_security_space_below_el3(env)= ); } =20 +uint64_t arm_hcr_el2_nvx_eff(CPUARMState *env) +{ + uint64_t hcr =3D arm_hcr_el2_eff(env); + + if (!(hcr & HCR_NV)) { + return 0; /* CONSTRAINED UNPREDICTABLE wrt NV1 */ + } + return hcr & (HCR_NV2 | HCR_NV1 | HCR_NV); +} + /* * Corresponds to ARM pseudocode function ELIsInHost(). */ --=20 2.43.0