diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 9f2c8fa7c6..778801dffc 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -332,7 +332,8 @@ static void set_satp_mode_default_map(RISCVCPU *cpu)
 
 static void riscv_any_cpu_init(Object *obj)
 {
-    CPURISCVState *env = &RISCV_CPU(obj)->env;
+    RISCVCPU *cpu = RISCV_CPU(obj);
+    CPURISCVState *env = &cpu->env;
 #if defined(TARGET_RISCV32)
     set_misa(env, MXL_RV32, RVI | RVM | RVA | RVF | RVD | RVC | RVU);
 #elif defined(TARGET_RISCV64)
@@ -346,6 +347,12 @@ static void riscv_any_cpu_init(Object *obj)
 #endif
 
     env->priv_ver = PRIV_VERSION_LATEST;
+
+    /* inherited from parent obj via riscv_cpu_init() */
+    cpu->cfg.ext_ifencei = true;
+    cpu->cfg.ext_icsr = true;
+    cpu->cfg.mmu = true;
+    cpu->cfg.pmp = true;
 }
 
 #if defined(TARGET_RISCV64)
@@ -364,12 +371,19 @@ static void rv64_base_cpu_init(Object *obj)
 
 static void rv64_sifive_u_cpu_init(Object *obj)
 {
-    CPURISCVState *env = &RISCV_CPU(obj)->env;
+    RISCVCPU *cpu = RISCV_CPU(obj);
+    CPURISCVState *env = &cpu->env;
     set_misa(env, MXL_RV64, RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
     env->priv_ver = PRIV_VERSION_1_10_0;
 #ifndef CONFIG_USER_ONLY
     set_satp_mode_max_supported(RISCV_CPU(obj), VM_1_10_SV39);
 #endif
+
+    /* inherited from parent obj via riscv_cpu_init() */
+    cpu->cfg.ext_ifencei = true;
+    cpu->cfg.ext_icsr = true;
+    cpu->cfg.mmu = true;
+    cpu->cfg.pmp = true;
 }
 
 static void rv64_sifive_e_cpu_init(Object *obj)
@@ -379,10 +393,14 @@ static void rv64_sifive_e_cpu_init(Object *obj)
 
     set_misa(env, MXL_RV64, RVI | RVM | RVA | RVC | RVU);
     env->priv_ver = PRIV_VERSION_1_10_0;
-    cpu->cfg.mmu = false;
 #ifndef CONFIG_USER_ONLY
     set_satp_mode_max_supported(cpu, VM_1_10_MBARE);
 #endif
+
+    /* inherited from parent obj via riscv_cpu_init() */
+    cpu->cfg.ext_ifencei = true;
+    cpu->cfg.ext_icsr = true;
+    cpu->cfg.pmp = true;
 }
 
 static void rv64_thead_c906_cpu_init(Object *obj)
@@ -410,6 +428,9 @@ static void rv64_thead_c906_cpu_init(Object *obj)
 #ifndef CONFIG_USER_ONLY
     set_satp_mode_max_supported(cpu, VM_1_10_SV39);
 #endif
+
+    /* inherited from parent obj via riscv_cpu_init() */
+    cpu->cfg.pmp = true;
 }
 
 static void rv64_veyron_v1_cpu_init(Object *obj)
@@ -483,12 +504,19 @@ static void rv32_base_cpu_init(Object *obj)
 
 static void rv32_sifive_u_cpu_init(Object *obj)
 {
-    CPURISCVState *env = &RISCV_CPU(obj)->env;
+    RISCVCPU *cpu = RISCV_CPU(obj);
+    CPURISCVState *env = &cpu->env;
     set_misa(env, MXL_RV32, RVI | RVM | RVA | RVF | RVD | RVC | RVS | RVU);
     env->priv_ver = PRIV_VERSION_1_10_0;
 #ifndef CONFIG_USER_ONLY
     set_satp_mode_max_supported(RISCV_CPU(obj), VM_1_10_SV32);
 #endif
+
+    /* inherited from parent obj via riscv_cpu_init() */
+    cpu->cfg.ext_ifencei = true;
+    cpu->cfg.ext_icsr = true;
+    cpu->cfg.mmu = true;
+    cpu->cfg.pmp = true;
 }
 
 static void rv32_sifive_e_cpu_init(Object *obj)
@@ -498,10 +526,14 @@ static void rv32_sifive_e_cpu_init(Object *obj)
 
     set_misa(env, MXL_RV32, RVI | RVM | RVA | RVC | RVU);
     env->priv_ver = PRIV_VERSION_1_10_0;
-    cpu->cfg.mmu = false;
 #ifndef CONFIG_USER_ONLY
     set_satp_mode_max_supported(cpu, VM_1_10_MBARE);
 #endif
+
+    /* inherited from parent obj via riscv_cpu_init() */
+    cpu->cfg.ext_ifencei = true;
+    cpu->cfg.ext_icsr = true;
+    cpu->cfg.pmp = true;
 }
 
 static void rv32_ibex_cpu_init(Object *obj)
@@ -511,11 +543,15 @@ static void rv32_ibex_cpu_init(Object *obj)
 
     set_misa(env, MXL_RV32, RVI | RVM | RVC | RVU);
     env->priv_ver = PRIV_VERSION_1_11_0;
-    cpu->cfg.mmu = false;
 #ifndef CONFIG_USER_ONLY
     set_satp_mode_max_supported(cpu, VM_1_10_MBARE);
 #endif
     cpu->cfg.epmp = true;
+
+    /* inherited from parent obj via riscv_cpu_init() */
+    cpu->cfg.ext_ifencei = true;
+    cpu->cfg.ext_icsr = true;
+    cpu->cfg.pmp = true;
 }
 
 static void rv32_imafcu_nommu_cpu_init(Object *obj)
@@ -525,10 +561,14 @@ static void rv32_imafcu_nommu_cpu_init(Object *obj)
 
     set_misa(env, MXL_RV32, RVI | RVM | RVA | RVF | RVC | RVU);
     env->priv_ver = PRIV_VERSION_1_10_0;
-    cpu->cfg.mmu = false;
 #ifndef CONFIG_USER_ONLY
     set_satp_mode_max_supported(cpu, VM_1_10_MBARE);
 #endif
+
+    /* inherited from parent obj via riscv_cpu_init() */
+    cpu->cfg.ext_ifencei = true;
+    cpu->cfg.ext_icsr = true;
+    cpu->cfg.pmp = true;
 }
 #endif
 
@@ -1441,11 +1481,6 @@ static void riscv_cpu_init(Object *obj)
 {
     RISCVCPU *cpu = RISCV_CPU(obj);
 
-    cpu->cfg.ext_ifencei = true;
-    cpu->cfg.ext_icsr = true;
-    cpu->cfg.mmu = true;
-    cpu->cfg.pmp = true;
-
     cpu_set_cpustate_pointers(cpu);
 
 #ifndef CONFIG_USER_ONLY