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 "exec-all.h"
  12 #include "qemu-common.h"
  13 #include "cpu-common.h"
  14 #include "xen-mapcache.h"
  15
  16 void qemu_map_cache_init(void)
  17 {
  18 }
  19
  20 uint8_t *qemu_map_cache(target_phys_addr_t phys_addr, target_phys_addr_t size, uint8_t lock)
  21 {
  22     return qemu_get_ram_ptr(phys_addr);
  23 }
  24
  25 void qemu_map_cache_unlock(void *buffer)
  26 {
  27 }
  28
  29 ram_addr_t qemu_ram_addr_from_mapcache(void *ptr)
  30 {
  31     return -1;
  32 }
  33
  34 void qemu_invalidate_map_cache(void)
  35 {
  36 }
  37
  38 void qemu_invalidate_entry(uint8_t *buffer)
  39 {
  40 }
  41 uint8_t *xen_map_block(target_phys_addr_t phys_addr, target_phys_addr_t size)
  42 {
  43     return NULL;
  44 }