text: /*
   * 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-common.h"
  #include "qemu/error-report.h"
  #include "hw/hw.h"
  #include "hw/boards.h"
  #include "sysemu/sysemu.h"
  #include "exec/address-spaces.h"
  #include "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_size) {
          MemoryRegion *ram = g_new(MemoryRegion, 1);
  
          memory_region_allocate_system_memory(ram, NULL, "ram", mch->ram_size);
          memory_region_add_subregion(get_system_memory(), 0, 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;
  }
  
  DEFINE_MACHINE("none", machine_none_machine_init)
  