For now, we expect only one target to be available at runtime. This will
change with the single-binary and we'll detect which one to use
dynamically.

Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@oss.qualcomm.com>
---
 include/qemu/target-info-qom.h |  2 ++
 system/vl.c                    |  2 ++
 target-info-qom.c              | 16 ++++++++++++++++
 3 files changed, 20 insertions(+)

diff --git a/include/qemu/target-info-qom.h b/include/qemu/target-info-qom.h
index 585995c7ad0..91be415ed33 100644
--- a/include/qemu/target-info-qom.h
+++ b/include/qemu/target-info-qom.h
@@ -25,4 +25,6 @@ typedef struct TargetInfoQomClass {
 
 OBJECT_DECLARE_TYPE(TargetInfoQom, TargetInfoQomClass, TARGET_INFO)
 
+void target_info_qom_set_target(void);
+
 #endif /* QEMU_TARGET_INFO_QOM_H */
diff --git a/system/vl.c b/system/vl.c
index e44da0941d4..e690aa3ed8c 100644
--- a/system/vl.c
+++ b/system/vl.c
@@ -28,6 +28,7 @@
 #include "qemu/units.h"
 #include "qemu/module.h"
 #include "qemu/target-info.h"
+#include "qemu/target-info-qom.h"
 #include "exec/cpu-common.h"
 #include "exec/page-vary.h"
 #include "hw/core/qdev-properties.h"
@@ -2890,6 +2891,7 @@ void qemu_init(int argc, char **argv)
     os_setup_limits();
 
     module_call_init(MODULE_INIT_TARGET_INFO);
+    target_info_qom_set_target();
 
     module_init_info(qemu_modinfo);
     module_allow_arch(target_name());
diff --git a/target-info-qom.c b/target-info-qom.c
index ba2c7923760..9d1f50ffcab 100644
--- a/target-info-qom.c
+++ b/target-info-qom.c
@@ -36,3 +36,19 @@ static const TypeInfo target_info_parent_type = {
 };
 
 DEFINE_TARGET_INFO_TYPE(target_info_parent_type)
+
+static const TargetInfo *target_info_ptr;
+
+void target_info_qom_set_target(void)
+{
+    g_autoptr(GSList) targets = object_class_get_list(TYPE_TARGET_INFO, false);
+
+    size_t num_found = g_slist_length(targets);
+    if (num_found != 1) {
+        error_setg(&error_fatal, num_found == 0 ?
+                                 "no target-info is available" :
+                                 "more than one target-info is available");
+    }
+
+    target_info_ptr = TARGET_INFO_CLASS(targets->data)->target_info;
+}
-- 
2.43.0