target/riscv/cpu.c: split vendor exts from riscv_cpu_extensions[]

Our goal is to make riscv_cpu_extensions[] hold only ratified,
non-vendor extensions.

Create a new riscv_cpu_vendor_exts[] array for them, changing
riscv_cpu_add_user_properties() and riscv_cpu_add_kvm_properties()
accordingly.

Signed-off-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Andrew Jones <ajones@ventanamicro.com>
Message-ID: <20230901194627.1214811-7-dbarboza@ventanamicro.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>

target/riscv/cpu.c

@@ -1867,7 +1867,10 @@ static Property riscv_cpu_extensions[] = {
     DEFINE_PROP_BOOL("zcmt", RISCVCPU, cfg.ext_zcmt, false),
     DEFINE_PROP_BOOL("zicond", RISCVCPU, cfg.ext_zicond, false),
 
-    /* Vendor-specific custom extensions */
+    DEFINE_PROP_END_OF_LIST(),
+};
+
+static Property riscv_cpu_vendor_exts[] = {
     DEFINE_PROP_BOOL("xtheadba", RISCVCPU, cfg.ext_xtheadba, false),
     DEFINE_PROP_BOOL("xtheadbb", RISCVCPU, cfg.ext_xtheadbb, false),
     DEFINE_PROP_BOOL("xtheadbs", RISCVCPU, cfg.ext_xtheadbs, false),
@@ -1978,6 +1981,10 @@ static void riscv_cpu_add_kvm_properties(Object *obj)
         riscv_cpu_add_kvm_unavail_prop(obj, prop->name);
     }
 
+    for (prop = riscv_cpu_vendor_exts; prop && prop->name; prop++) {
+        riscv_cpu_add_kvm_unavail_prop(obj, prop->name);
+    }
+
     for (prop = riscv_cpu_experimental_exts; prop && prop->name; prop++) {
         riscv_cpu_add_kvm_unavail_prop(obj, prop->name);
     }
@@ -2022,6 +2029,10 @@ static void riscv_cpu_add_user_properties(Object *obj)
         qdev_property_add_static(dev, prop);
     }
 
+    for (prop = riscv_cpu_vendor_exts; prop && prop->name; prop++) {
+        qdev_property_add_static(dev, prop);
+    }
+
     for (prop = riscv_cpu_experimental_exts; prop && prop->name; prop++) {
         qdev_property_add_static(dev, prop);
     }