xen-all.c

   1 /*
   2  * Copyright (C) 2010       Citrix Ltd.
   3  *
   4  * This work is licensed under the terms of the GNU GPL, version 2.  See
   5  * the COPYING file in the top-level directory.
   6  *
   7  */
   8
   9 #include "hw/xen_common.h"
  10 #include "hw/xen_backend.h"
  11
  12 /* VCPU Operations, MMIO, IO ring ... */
  13
  14 static void xen_reset_vcpu(void *opaque)
  15 {
  16     CPUState *env = opaque;
  17
  18     env->halted = 1;
  19 }
  20
  21 void xen_vcpu_init(void)
  22 {
  23     CPUState *first_cpu;
  24
  25     if ((first_cpu = qemu_get_cpu(0))) {
  26         qemu_register_reset(xen_reset_vcpu, first_cpu);
  27         xen_reset_vcpu(first_cpu);
  28     }
  29 }
  30
  31 /* Initialise Xen */
  32
  33 int xen_init(void)
  34 {
  35     xen_xc = xen_xc_interface_open(0, 0, 0);
  36     if (xen_xc == XC_HANDLER_INITIAL_VALUE) {
  37         xen_be_printf(NULL, 0, "can't open xen interface\n");
  38         return -1;
  39     }
  40
  41     return 0;
  42 }
  43
  44 int xen_hvm_init(void)
  45 {
  46     return 0;
  47 }