xen-mapcache-stub.c

   1 /*
   2  * Copyright (C) 2011       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 "config.h"
  10
  11 #include "cpu.h"
  12 #include "qemu-common.h"
  13 #include "cpu-common.h"
  14 #include "xen-mapcache.h"
  15
  16 void xen_map_cache_init(void)
  17 {
  18 }
  19
  20 uint8_t *xen_map_cache(target_phys_addr_t phys_addr, target_phys_addr_t size,
  21                        uint8_t lock)
  22 {
  23     return qemu_get_ram_ptr(phys_addr);
  24 }
  25
  26 ram_addr_t xen_ram_addr_from_mapcache(void *ptr)
  27 {
  28     return -1;
  29 }
  30
  31 void xen_invalidate_map_cache(void)
  32 {
  33 }
  34
  35 void xen_invalidate_map_cache_entry(uint8_t *buffer)
  36 {
  37 }