[PATCH v4 21/33] target/hppa: Implement hppa_cpu_list()

[Gavin Shan]

Implement hppa_cpu_list() to support cpu_list(). With this applied,
the available CPU model names, same to the CPU type names, are shown
as below.

  $ ./build/qemu-system-hppa -cpu ?
  Available CPUs:
    hppa-cpu

Signed-off-by: Gavin Shan <gs...@redhat.com>
---
 target/hppa/cpu.c | 19 +++++++++++++++++++
 target/hppa/cpu.h |  3 +++
 2 files changed, 22 insertions(+)

diff --git a/target/hppa/cpu.c b/target/hppa/cpu.c
index 1644297bf8..2b5198d7c8 100644
--- a/target/hppa/cpu.c
+++ b/target/hppa/cpu.c
@@ -143,6 +143,25 @@ static void hppa_cpu_realizefn(DeviceState *dev, Error 
**errp)
 #endif
 }
 
+static void hppa_cpu_list_entry(gpointer data, gpointer user_data)
+{
+    const char *typename = object_class_get_name(OBJECT_CLASS(data));
+    char *model = cpu_model_from_type(typename);
+
+    qemu_printf("  %s\n", model);
+    g_free(model);
+}
+
+void hppa_cpu_list(void)
+{
+    GSList *list;
+
+    list = object_class_get_list_sorted(TYPE_HPPA_CPU, false);
+    qemu_printf("Available CPUs:\n");
+    g_slist_foreach(list, hppa_cpu_list_entry, NULL);
+    g_slist_free(list);
+}
+
 static void hppa_cpu_initfn(Object *obj)
 {
     CPUState *cs = CPU(obj);
diff --git a/target/hppa/cpu.h b/target/hppa/cpu.h
index 798d0c26d7..d8106c89dc 100644
--- a/target/hppa/cpu.h
+++ b/target/hppa/cpu.h
@@ -357,5 +357,8 @@ void hppa_cpu_alarm_timer(void *);
 int hppa_artype_for_page(CPUHPPAState *env, target_ulong vaddr);
 #endif
 G_NORETURN void hppa_dynamic_excp(CPUHPPAState *env, int excp, uintptr_t ra);
+void hppa_cpu_list(void);
+
+#define cpu_list hppa_cpu_list
 
 #endif /* HPPA_CPU_H */
-- 
2.41.0