cp/guest/exception.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 <sched.h>
   9 #include <vcpu.h>
  10 #include <slab.h>
  11
  12 void queue_prog_exception(struct virt_sys *sys, enum PROG_EXCEPTION type, u64 param)
  13 {
  14         FIXME("supposed to inject a %d program exception", type);
  15         con_printf(sys->con, "FIXME: supposed to inject a %d program exception\n", type);
  16         sys->cpu->state = GUEST_STOPPED;
  17 }
  18
  19 void queue_io_interrupt(struct virt_sys *sys, u32 ssid, u32 param, u32 a, u32 isc)
  20 {
  21         struct vio_int *ioint;
  22
  23         BUG_ON(isc >= 8);
  24         BUG_ON((a != 0) && (a != 1));
  25
  26         ioint = malloc(sizeof(struct vio_int), ZONE_NORMAL);
  27         BUG_ON(!ioint);
  28
  29         ioint->ssid  = ssid;
  30         ioint->param = param;
  31         ioint->intid = (a << 31) | (isc << 27);
  32
  33         mutex_lock(&sys->cpu->int_lock);
  34         list_add_tail(&ioint->list, &sys->cpu->int_io[isc]);
  35
  36         con_printf(sys->con, "queued I/O int %d %08x.%08x.%08x\n", isc,
  37                    ioint->ssid, ioint->param, ioint->intid);
  38         mutex_unlock(&sys->cpu->int_lock);
  39 }