hw/xen_machine_pv.c

   1 /*
   2  * QEMU Xen PV Machine
   3  *
   4  * Copyright (c) 2007 Red Hat
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining a copy
   7  * of this software and associated documentation files (the "Software"), to deal
   8  * in the Software without restriction, including without limitation the rights
   9  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  10  * copies of the Software, and to permit persons to whom the Software is
  11  * furnished to do so, subject to the following conditions:
  12  *
  13  * The above copyright notice and this permission notice shall be included in
  14  * all copies or substantial portions of the Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  21  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  22  * THE SOFTWARE.
  23  */
  24
  25 #include "hw.h"
  26 #include "pc.h"
  27 #include "sysemu.h"
  28 #include "boards.h"
  29 #include "xen_backend.h"
  30
  31 uint32_t xen_domid;
  32 enum xen_mode xen_mode = XEN_EMULATE;
  33
  34 static void xen_init_pv(ram_addr_t ram_size, int vga_ram_size,
  35                         const char *boot_device,
  36                         const char *kernel_filename,
  37                         const char *kernel_cmdline,
  38                         const char *initrd_filename,
  39                         const char *cpu_model)
  40 {
  41     CPUState *env;
  42
  43     /* Initialize a dummy CPU */
  44     if (cpu_model == NULL) {
  45 #ifdef TARGET_X86_64
  46         cpu_model = "qemu64";
  47 #else
  48         cpu_model = "qemu32";
  49 #endif
  50     }
  51     env = cpu_init(cpu_model);
  52     env->halted = 1;
  53
  54     /* Initialize backend core & drivers */
  55     if (xen_be_init() != 0) {
  56         fprintf(stderr, "%s: xen backend core setup failed\n", __FUNCTION__);
  57         exit(1);
  58     }
  59     xen_be_register("console", &xen_console_ops);
  60     xen_be_register("vkbd", &xen_kbdmouse_ops);
  61     xen_be_register("vfb", &xen_framebuffer_ops);
  62     xen_be_register("qdisk", &xen_blkdev_ops);
  63     xen_be_register("qnic", &xen_netdev_ops);
  64
  65     /* setup framebuffer */
  66     xen_init_display(xen_domid);
  67 }
  68
  69 QEMUMachine xenpv_machine = {
  70     .name = "xenpv",
  71     .desc = "Xen Para-virtualized PC",
  72     .init = xen_init_pv,
  73     .max_cpus = 1,
  74 };