diff --git a/qemu/target/arm/cpu.h b/qemu/target/arm/cpu.h
index 8d1969ac..0f41a01f 100644
--- a/qemu/target/arm/cpu.h
+++ b/qemu/target/arm/cpu.h
@@ -873,6 +873,7 @@ struct ARMCPU {
         uint32_t id_mmfr4;
         uint32_t id_pfr0;
         uint32_t id_pfr1;
+        uint32_t id_pfr2;
         uint32_t mvfr0;
         uint32_t mvfr1;
         uint32_t mvfr2;
diff --git a/qemu/target/arm/helper.c b/qemu/target/arm/helper.c
index 6bcdf127..13e5e712 100644
--- a/qemu/target/arm/helper.c
+++ b/qemu/target/arm/helper.c
@@ -7327,11 +7327,11 @@ void register_cp_regs_for_features(ARMCPU *cpu)
               .access = PL1_R, .type = ARM_CP_CONST,
               .accessfn = access_aa64_tid3,
               .resetvalue = 0 },
-            { .name = "MVFR4_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
+            { .name = "ID_PFR2", .state = ARM_CP_STATE_BOTH,
               .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 3, .opc2 = 4,
               .access = PL1_R, .type = ARM_CP_CONST,
               .accessfn = access_aa64_tid3,
-              .resetvalue = 0 },
+              .resetvalue = cpu->isar.id_pfr2 },
             { .name = "MVFR5_EL1_RESERVED", .state = ARM_CP_STATE_AA64,
               .opc0 = 3, .opc1 = 0, .crn = 0, .crm = 3, .opc2 = 5,
               .access = PL1_R, .type = ARM_CP_CONST,