1 files changed, 59 insertions, 0 deletions
diff --git a/hw/core/null-machine.c b/hw/core/null-machine.c
new file mode 100644
index 00000000..f586a4be
--- /dev/null
+++ b/hw/core/null-machine.c
@@ -0,0 +1,59 @@
+/*
+ * Empty machine
+ *
+ * Copyright IBM, Corp. 2012
+ *
+ * Authors:
+ *  Anthony Liguori   <aliguori@us.ibm.com>
+ *
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ *
+ */
+
+#include "qemu/osdep.h"
+#include "qemu/error-report.h"
+#include "hw/boards.h"
+#include "exec/address-spaces.h"
+#include "hw/core/cpu.h"
+
+static void machine_none_init(MachineState *mch)
+{
+    CPUState *cpu = NULL;
+
+    /* Initialize CPU (if user asked for it) */
+    if (mch->cpu_type) {
+        cpu = cpu_create(mch->cpu_type);
+        if (!cpu) {
+            error_report("Unable to initialize CPU");
+            exit(1);
+        }
+    }
+
+    /* RAM at address zero */
+    if (mch->ram) {
+        memory_region_add_subregion(get_system_memory(), 0, mch->ram);
+    }
+
+    if (mch->kernel_filename) {
+        error_report("The -kernel parameter is not supported "
+                     "(use the generic 'loader' device instead).");
+        exit(1);
+    }
+}
+
+static void machine_none_machine_init(MachineClass *mc)
+{
+    mc->desc = "empty machine";
+    mc->init = machine_none_init;
+    mc->max_cpus = 1;
+    mc->default_ram_size = 0;
+    mc->default_ram_id = "ram";
+    mc->no_serial = 1;
+    mc->no_parallel = 1;
+    mc->no_floppy = 1;
+    mc->no_cdrom = 1;
+    mc->no_sdcard = 1;
+}
+
+DEFINE_MACHINE("none", machine_none_machine_init)