cp/guest/system.c

   1 /*
   2  * (C) Copyright 2007-2011  Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
   3  *
   4  * This file is released under the GPLv2.  See the COPYING file for more
   5  * details.
   6  */
   7
   8 #include <vcpu.h>
   9
  10 int guest_begin(struct virt_sys *sys)
  11 {
  12         switch(sys->cpu->state) {
  13                 case GUEST_STOPPED:
  14                 case GUEST_OPERATING:
  15                         sys->cpu->state = GUEST_OPERATING;
  16                         return 0;
  17                 default:
  18                         return -EINVAL;
  19         }
  20 }
  21
  22 int guest_stop(struct virt_sys *sys)
  23 {
  24         switch(sys->cpu->state) {
  25                 case GUEST_STOPPED:
  26                 case GUEST_OPERATING:
  27                         sys->cpu->state = GUEST_STOPPED;
  28                         return 0;
  29                 default:
  30                         return -EINVAL;
  31         }
  32 }