[PATCH v3 02/18] target/loongarch: Add new object class for loongarch32 cpus

[Song Gao]

From: Jiajie Chen <c...@jia.je>

Add object class for future loongarch32 cpus. It is derived from the
loongarch64 object class.

Signed-off-by: Jiajie Chen <c...@jia.je>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Signed-off-by: Song Gao <gaos...@loongson.cn>
---
 target/loongarch/cpu.c | 19 +++++++++++++++++++
 target/loongarch/cpu.h |  1 +
 2 files changed, 20 insertions(+)

diff --git a/target/loongarch/cpu.c b/target/loongarch/cpu.c
index ad93ecac92..c6b73444b4 100644
--- a/target/loongarch/cpu.c
+++ b/target/loongarch/cpu.c
@@ -732,12 +732,22 @@ static void loongarch_cpu_class_init(ObjectClass *c, void 
*data)
 #endif
 }
 
+static void loongarch32_cpu_class_init(ObjectClass *c, void *data)
+{
+}
+
 #define DEFINE_LOONGARCH_CPU_TYPE(model, initfn) \
     { \
         .parent = TYPE_LOONGARCH_CPU, \
         .instance_init = initfn, \
         .name = LOONGARCH_CPU_TYPE_NAME(model), \
     }
+#define DEFINE_LOONGARCH32_CPU_TYPE(model, initfn) \
+    { \
+        .parent = TYPE_LOONGARCH32_CPU, \
+        .instance_init = initfn, \
+        .name = LOONGARCH_CPU_TYPE_NAME(model), \
+    }
 
 static const TypeInfo loongarch_cpu_type_infos[] = {
     {
@@ -750,6 +760,15 @@ static const TypeInfo loongarch_cpu_type_infos[] = {
         .class_size = sizeof(LoongArchCPUClass),
         .class_init = loongarch_cpu_class_init,
     },
+    {
+        .name = TYPE_LOONGARCH32_CPU,
+        .parent = TYPE_LOONGARCH_CPU,
+        .instance_size = sizeof(LoongArchCPU),
+
+        .abstract = true,
+        .class_size = sizeof(LoongArchCPUClass),
+        .class_init = loongarch32_cpu_class_init,
+    },
     DEFINE_LOONGARCH_CPU_TYPE("la464", loongarch_la464_initfn),
 };
 
diff --git a/target/loongarch/cpu.h b/target/loongarch/cpu.h
index 5a71d64a04..2af4c414b0 100644
--- a/target/loongarch/cpu.h
+++ b/target/loongarch/cpu.h
@@ -382,6 +382,7 @@ struct ArchCPU {
 };
 
 #define TYPE_LOONGARCH_CPU "loongarch-cpu"
+#define TYPE_LOONGARCH32_CPU "loongarch32-cpu"
 
 OBJECT_DECLARE_CPU_TYPE(LoongArchCPU, LoongArchCPUClass,
                         LOONGARCH_CPU)
-- 
2.39.1