diff --git a/target/arm/helper.c b/target/arm/helper.c
index 0ba08d550a..a4f7b61b4e 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -6040,6 +6040,30 @@ static CPAccessResult access_aa32_tid3(CPUARMState *env, const ARMCPRegInfo *ri,
     return CP_ACCESS_OK;
 }
 
+static CPAccessResult access_jazelle(CPUARMState *env, const ARMCPRegInfo *ri,
+                                     bool isread)
+{
+    if (arm_current_el(env) == 1 && (arm_hcr_el2_eff(env) & HCR_TID0)) {
+        return CP_ACCESS_TRAP_EL2;
+    }
+
+    return CP_ACCESS_OK;
+}
+
+static const ARMCPRegInfo jazelle_regs[] = {
+    { .name = "JIDR",
+      .cp = 14, .crn = 0, .crm = 0, .opc1 = 7, .opc2 = 0,
+      .access = PL1_R, .accessfn = access_jazelle,
+      .type = ARM_CP_CONST, .resetvalue = 0 },
+    { .name = "JOSCR",
+      .cp = 14, .crn = 1, .crm = 0, .opc1 = 7, .opc2 = 0,
+      .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
+    { .name = "JMCR",
+      .cp = 14, .crn = 2, .crm = 0, .opc1 = 7, .opc2 = 0,
+      .access = PL1_RW, .type = ARM_CP_CONST, .resetvalue = 0 },
+    REGINFO_SENTINEL
+};
+
 void register_cp_regs_for_features(ARMCPU *cpu)
 {
     /* Register all the coprocessor registers based on feature bits */
@@ -6699,6 +6723,9 @@ void register_cp_regs_for_features(ARMCPU *cpu)
     if (arm_feature(env, ARM_FEATURE_LPAE)) {
         define_arm_cp_regs(cpu, lpae_cp_reginfo);
     }
+    if (cpu_isar_feature(jazelle, cpu)) {
+        define_arm_cp_regs(cpu, jazelle_regs);
+    }
     /* Slightly awkwardly, the OMAP and StrongARM cores need all of
      * cp15 crn=0 to be writes-ignored, whereas for other cores they should
      * be read-only (ie write causes UNDEF exception).