target/riscv: merge riscv_cpu_class_init with the class_base function

Since all TYPE_RISCV_CPU subclasses support a class_data of type
RISCVCPUDef, process it even before calling the .class_init function
for the subclasses.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 22e3a2211edf1001c8607f0051f958a1ef500551..334791eebdf051ad58d6559e667e1f8dce60990a 100644 (file)
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -3080,15 +3080,18 @@ static void riscv_cpu_class_base_init(ObjectClass *c, const void *data)
     } else {
         mcc->def = g_new0(RISCVCPUDef, 1);
     }
-}
 
-static void riscv_cpu_class_init(ObjectClass *c, const void *data)
-{
-    RISCVCPUClass *mcc = RISCV_CPU_CLASS(c);
-    const RISCVCPUDef *def = data;
+    if (data) {
+        const RISCVCPUDef *def = data;
+        if (def->misa_mxl_max) {
+            assert(def->misa_mxl_max <= MXL_RV128);
+            mcc->def->misa_mxl_max = def->misa_mxl_max;
+        }
+    }
 
-    mcc->def->misa_mxl_max = def->misa_mxl_max;
-    riscv_cpu_validate_misa_mxl(mcc);
+    if (!object_class_is_abstract(c)) {
+        riscv_cpu_validate_misa_mxl(mcc);
+    }
 }
 
 static void riscv_isa_string_ext(RISCVCPU *cpu, char **isa_str,
@@ -3188,7 +3191,6 @@ void riscv_isa_write_fdt(RISCVCPU *cpu, void *fdt, char *nodename)
         .name = (type_name),                                \
         .parent = TYPE_RISCV_DYNAMIC_CPU,                   \
         .instance_init = (initfn),                          \
-        .class_init = riscv_cpu_class_init,                 \
         .class_data = &(const RISCVCPUDef) {                \
              .misa_mxl_max = (misa_mxl_max_),               \
         },                                                  \
@@ -3199,7 +3201,6 @@ void riscv_isa_write_fdt(RISCVCPU *cpu, void *fdt, char *nodename)
         .name = (type_name),                                \
         .parent = TYPE_RISCV_VENDOR_CPU,                    \
         .instance_init = (initfn),                          \
-        .class_init = riscv_cpu_class_init,                 \
         .class_data = &(const RISCVCPUDef) {                \
              .misa_mxl_max = (misa_mxl_max_),               \
         },                                                  \
@@ -3210,7 +3211,6 @@ void riscv_isa_write_fdt(RISCVCPU *cpu, void *fdt, char *nodename)
         .name = (type_name),                                \
         .parent = TYPE_RISCV_BARE_CPU,                      \
         .instance_init = (initfn),                          \
-        .class_init = riscv_cpu_class_init,                 \
         .class_data = &(const RISCVCPUDef) {                \
              .misa_mxl_max = (misa_mxl_max_),               \
         },                                                  \
@@ -3221,7 +3221,6 @@ void riscv_isa_write_fdt(RISCVCPU *cpu, void *fdt, char *nodename)
         .name = (type_name),                                \
         .parent = TYPE_RISCV_BARE_CPU,                      \
         .instance_init = (initfn),                          \
-        .class_init = riscv_cpu_class_init,                 \
         .class_data = &(const RISCVCPUDef) {                \
              .misa_mxl_max = (misa_mxl_max_),               \
         },                                                  \