kernel/arch/ia32xen/include/mm/as.h

   1 /*
   2  * Copyright (c) 2005 Jakub Jermar
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  *
   9  * - Redistributions of source code must retain the above copyright
  10  *   notice, this list of conditions and the following disclaimer.
  11  * - Redistributions in binary form must reproduce the above copyright
  12  *   notice, this list of conditions and the following disclaimer in the
  13  *   documentation and/or other materials provided with the distribution.
  14  * - The name of the author may not be used to endorse or promote products
  15  *   derived from this software without specific prior written permission.
  16  *
  17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  */
  28
  29 /** @addtogroup ia32xen_mm
  30  * @{
  31  */
  32 /** @file
  33  */
  34
  35 #ifndef KERN_ia32xen_AS_H_
  36 #define KERN_ia32xen_AS_H_
  37
  38 #define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH      0
  39
  40 #define KERNEL_ADDRESS_SPACE_START_ARCH         ((unsigned long) 0x80000000)
  41 #define KERNEL_ADDRESS_SPACE_END_ARCH           ((unsigned long) 0xffffffff)
  42 #define USER_ADDRESS_SPACE_START_ARCH           ((unsigned long) 0x00000000)
  43 #define USER_ADDRESS_SPACE_END_ARCH             ((unsigned long) 0x7fffffff)
  44
  45 #define USTACK_ADDRESS_ARCH     (USER_ADDRESS_SPACE_END_ARCH-(PAGE_SIZE-1))
  46
  47 typedef struct {
  48 } as_arch_t;
  49
  50 #define as_constructor_arch(as, flags)          (as != as)
  51 #define as_destructor_arch(as)                  (as != as)
  52 #define as_create_arch(as, flags)               (as != as)
  53 #define as_install_arch(as)
  54 #define as_deinstall_arch(as)
  55 #define as_invalidate_translation_cache(as, page, cnt)
  56
  57 extern void as_arch_init(void);
  58
  59 #endif
  60
  61 /** @}
  62  */