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-rw-r--r--target/arm/helper.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 82c546f11a..2297626bfb 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -5787,6 +5787,9 @@ uint64_t arm_hcr_el2_eff_secstate(CPUARMState *env, bool secure)
 
 uint64_t arm_hcr_el2_eff(CPUARMState *env)
 {
+    if (arm_feature(env, ARM_FEATURE_M)) {
+        return 0;
+    }
     return arm_hcr_el2_eff_secstate(env, arm_is_secure_below_el3(env));
 }