diff mbox series

[12/22] target/riscv: convert SiFive E CPU models to RISCVCPUDef

Message ID 20250206182711.2420505-13-pbonzini@redhat.com (mailing list archive)
State New
Headers show
Series target/riscv: declarative CPU definitions | expand

Commit Message

Paolo Bonzini Feb. 6, 2025, 6:27 p.m. UTC 
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 target/riscv/cpu-qom.h |  1 +
 target/riscv/cpu.c     | 75 ++++++++++++------------------------------
 2 files changed, 22 insertions(+), 54 deletions(-)
diff mbox series

Patch

diff --git a/target/riscv/cpu-qom.h b/target/riscv/cpu-qom.h
index d56b067bf24..bfe1455254c 100644
--- a/target/riscv/cpu-qom.h
+++ b/target/riscv/cpu-qom.h
@@ -42,6 +42,7 @@ 
 #define TYPE_RISCV_CPU_RVA22S64         RISCV_CPU_TYPE_NAME("rva22s64")
 #define TYPE_RISCV_CPU_IBEX             RISCV_CPU_TYPE_NAME("lowrisc-ibex")
 #define TYPE_RISCV_CPU_SHAKTI_C         RISCV_CPU_TYPE_NAME("shakti-c")
+#define TYPE_RISCV_CPU_SIFIVE_E         RISCV_CPU_TYPE_NAME("sifive-e")
 #define TYPE_RISCV_CPU_SIFIVE_E31       RISCV_CPU_TYPE_NAME("sifive-e31")
 #define TYPE_RISCV_CPU_SIFIVE_E34       RISCV_CPU_TYPE_NAME("sifive-e34")
 #define TYPE_RISCV_CPU_SIFIVE_E51       RISCV_CPU_TYPE_NAME("sifive-e51")
diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index ce439f1159d..b47ca531503 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -489,23 +489,6 @@  static void rv64_sifive_u_cpu_init(Object *obj)
     cpu->cfg.pmp = true;
 }
 
-static void rv64_sifive_e_cpu_init(Object *obj)
-{
-    CPURISCVState *env = &RISCV_CPU(obj)->env;
-    RISCVCPU *cpu = RISCV_CPU(obj);
-
-    riscv_cpu_set_misa_ext(env, RVI | RVM | RVA | RVC | RVU);
-    env->priv_ver = PRIV_VERSION_1_10_0;
-#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_zifencei = true;
-    cpu->cfg.ext_zicsr = true;
-    cpu->cfg.pmp = true;
-}
-
 static void rv64_thead_c906_cpu_init(Object *obj)
 {
     CPURISCVState *env = &RISCV_CPU(obj)->env;
@@ -694,23 +677,6 @@  static void rv32_sifive_u_cpu_init(Object *obj)
     cpu->cfg.pmp = true;
 }
 
-static void rv32_sifive_e_cpu_init(Object *obj)
-{
-    CPURISCVState *env = &RISCV_CPU(obj)->env;
-    RISCVCPU *cpu = RISCV_CPU(obj);
-
-    riscv_cpu_set_misa_ext(env, RVI | RVM | RVA | RVC | RVU);
-    env->priv_ver = PRIV_VERSION_1_10_0;
-#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_zifencei = true;
-    cpu->cfg.ext_zicsr = true;
-    cpu->cfg.pmp = true;
-}
-
 static void rv32_ibex_cpu_init(Object *obj)
 {
     CPURISCVState *env = &RISCV_CPU(obj)->env;
@@ -732,23 +698,6 @@  static void rv32_ibex_cpu_init(Object *obj)
     cpu->cfg.ext_zbc = true;
     cpu->cfg.ext_zbs = true;
 }
-
-static void rv32_imafcu_nommu_cpu_init(Object *obj)
-{
-    CPURISCVState *env = &RISCV_CPU(obj)->env;
-    RISCVCPU *cpu = RISCV_CPU(obj);
-
-    riscv_cpu_set_misa_ext(env, RVI | RVM | RVA | RVF | RVC | RVU);
-    env->priv_ver = PRIV_VERSION_1_10_0;
-#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_zifencei = true;
-    cpu->cfg.ext_zicsr = true;
-    cpu->cfg.pmp = true;
-}
 #endif
 
 static ObjectClass *riscv_cpu_class_by_name(const char *cpu_model)
@@ -3096,6 +3045,16 @@  static const TypeInfo riscv_cpu_type_infos[] = {
 #endif
     ),
 
+    DEFINE_ABSTRACT_RISCV_CPU(TYPE_RISCV_CPU_SIFIVE_E, TYPE_RISCV_VENDOR_CPU,
+        .misa_ext = RVI | RVM | RVA | RVC | RVU,
+        .priv_spec = PRIV_VERSION_1_10_0,
+        .satp_mode32 = VM_1_10_MBARE,
+        .satp_mode64 = VM_1_10_MBARE,
+        .cfg.ext_zifencei = true,
+        .cfg.ext_zicsr = true,
+        .cfg.pmp = true
+    ),
+
 #if defined(TARGET_RISCV32) || \
     (defined(TARGET_RISCV64) && !defined(CONFIG_USER_ONLY))
     DEFINE_RISCV_CPU(TYPE_RISCV_CPU_BASE32, TYPE_RISCV_DYNAMIC_CPU,
@@ -3104,8 +3063,14 @@  static const TypeInfo riscv_cpu_type_infos[] = {
     ),
 
     DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_IBEX,       MXL_RV32,  rv32_ibex_cpu_init),
-    DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_E31, MXL_RV32,  rv32_sifive_e_cpu_init),
-    DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_E34, MXL_RV32,  rv32_imafcu_nommu_cpu_init),
+    DEFINE_RISCV_CPU(TYPE_RISCV_CPU_SIFIVE_E31, TYPE_RISCV_CPU_SIFIVE_E,
+        .misa_mxl_max = MXL_RV32
+    ),
+    DEFINE_RISCV_CPU(TYPE_RISCV_CPU_SIFIVE_E34, TYPE_RISCV_CPU_SIFIVE_E,
+        .misa_mxl_max = MXL_RV32,
+        .misa_ext = RVF,  /* IMAFCU */
+    ),
+
     DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_U34, MXL_RV32,  rv32_sifive_u_cpu_init),
 
     DEFINE_RISCV_CPU(TYPE_RISCV_CPU_RV32I, TYPE_RISCV_BARE_CPU,
@@ -3131,7 +3096,9 @@  static const TypeInfo riscv_cpu_type_infos[] = {
         .misa_mxl_max = MXL_RV64,
     ),
 
-    DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_E51, MXL_RV64,  rv64_sifive_e_cpu_init),
+    DEFINE_RISCV_CPU(TYPE_RISCV_CPU_SIFIVE_E51, TYPE_RISCV_CPU_SIFIVE_E,
+        .misa_mxl_max = MXL_RV64
+    ),
     DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_U54, MXL_RV64,  rv64_sifive_u_cpu_init),
     DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SHAKTI_C,   MXL_RV64,  rv64_sifive_u_cpu_init),
     DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_THEAD_C906, MXL_RV64,  rv64_thead_c906_cpu_init),