qemu

FORK: QEMU emulator
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null-machine.c (1386B)

      1 /*
      2  * Empty machine
      3  *
      4  * Copyright IBM, Corp. 2012
      5  *
      6  * Authors:
      7  *  Anthony Liguori   <aliguori@us.ibm.com>
      8  *
      9  * This work is licensed under the terms of the GNU GPL, version 2 or later.
     10  * See the COPYING file in the top-level directory.
     11  *
     12  */
     13 
     14 #include "qemu/osdep.h"
     15 #include "qemu/error-report.h"
     16 #include "hw/boards.h"
     17 #include "exec/address-spaces.h"
     18 #include "hw/core/cpu.h"
     19 
     20 static void machine_none_init(MachineState *mch)
     21 {
     22     CPUState *cpu = NULL;
     23 
     24     /* Initialize CPU (if user asked for it) */
     25     if (mch->cpu_type) {
     26         cpu = cpu_create(mch->cpu_type);
     27         if (!cpu) {
     28             error_report("Unable to initialize CPU");
     29             exit(1);
     30         }
     31     }
     32 
     33     /* RAM at address zero */
     34     if (mch->ram) {
     35         memory_region_add_subregion(get_system_memory(), 0, mch->ram);
     36     }
     37 
     38     if (mch->kernel_filename) {
     39         error_report("The -kernel parameter is not supported "
     40                      "(use the generic 'loader' device instead).");
     41         exit(1);
     42     }
     43 }
     44 
     45 static void machine_none_machine_init(MachineClass *mc)
     46 {
     47     mc->desc = "empty machine";
     48     mc->init = machine_none_init;
     49     mc->max_cpus = 1;
     50     mc->default_ram_size = 0;
     51     mc->default_ram_id = "ram";
     52     mc->no_serial = 1;
     53     mc->no_parallel = 1;
     54     mc->no_floppy = 1;
     55     mc->no_cdrom = 1;
     56     mc->no_sdcard = 1;
     57 }
     58 
     59 DEFINE_MACHINE("none", machine_none_machine_init)