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-rw-r--r--system/vl.c16
1 files changed, 16 insertions, 0 deletions
diff --git a/system/vl.c b/system/vl.c
index f9a0526d5f..2a570ed9ff 100644
--- a/system/vl.c
+++ b/system/vl.c
@@ -53,6 +53,7 @@
 #include "hw/usb.h"
 #include "hw/isa/isa.h"
 #include "hw/scsi/scsi.h"
+#include "hw/sd/sd.h"
 #include "hw/display/vga.h"
 #include "hw/firmware/smbios.h"
 #include "hw/acpi/acpi.h"
@@ -2661,12 +2662,27 @@ static void qemu_init_displays(void)
 
 static void qemu_init_board(void)
 {
+    MachineClass *machine_class = MACHINE_GET_CLASS(current_machine);
+
     /* process plugin before CPUs are created, but once -smp has been parsed */
     qemu_plugin_load_list(&plugin_list, &error_fatal);
 
     /* From here on we enter MACHINE_PHASE_INITIALIZED.  */
     machine_run_board_init(current_machine, mem_path, &error_fatal);
 
+    if (machine_class->auto_create_sdcard) {
+        bool ambigous;
+
+        /* Ensure there is a SD bus available to create SD card on */
+        Object *obj = object_resolve_path_type("", TYPE_SD_BUS, &ambigous);
+        if (!obj && !ambigous) {
+            fprintf(stderr, "Can not create sd-card on '%s' machine"
+                            " because it lacks a sd-bus\n",
+                            machine_class->name);
+            abort();
+        }
+    }
+
     drive_check_orphaned();
 
     realtime_init();