diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 83ceaa58c2..215845c7e2 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -2596,6 +2596,11 @@ static inline bool arm_is_secure_below_el3(CPUARMState *env)
     return false;
 }
 
+static inline bool arm_is_el3_or_mon(CPUARMState *env)
+{
+    return false;
+}
+
 static inline ARMSecuritySpace arm_security_space(CPUARMState *env)
 {
     return ARMSS_NonSecure;
diff --git a/target/arm/debug_helper.c b/target/arm/debug_helper.c
index 2212ef4a3b..c3c1eb5f62 100644
--- a/target/arm/debug_helper.c
+++ b/target/arm/debug_helper.c
@@ -880,7 +880,8 @@ static CPAccessResult access_tdcc(CPUARMState *env, const ARMCPRegInfo *ri,
     if (el < 2 && (mdcr_el2_tda || mdcr_el2_tdcc)) {
         return CP_ACCESS_TRAP_EL2;
     }
-    if (el < 3 && ((env->cp15.mdcr_el3 & MDCR_TDA) || mdcr_el3_tdcc)) {
+    if (!arm_is_el3_or_mon(env) &&
+        ((env->cp15.mdcr_el3 & MDCR_TDA) || mdcr_el3_tdcc)) {
         return CP_ACCESS_TRAP_EL3;
     }
     return CP_ACCESS_OK;
diff --git a/target/arm/helper.c b/target/arm/helper.c
index 2bf39a2051..535870f69a 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6103,7 +6103,7 @@ static CPAccessResult access_terr(CPUARMState *env, const ARMCPRegInfo *ri,
     if (el < 2 && (arm_hcr_el2_eff(env) & HCR_TERR)) {
         return CP_ACCESS_TRAP_EL2;
     }
-    if (el < 3 && (env->cp15.scr_el3 & SCR_TERR)) {
+    if (!arm_is_el3_or_mon(env) && (env->cp15.scr_el3 & SCR_TERR)) {
         return CP_ACCESS_TRAP_EL3;
     }
     return CP_ACCESS_OK;