kernel/arch/sparc64/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 sparc64mm
  30  * @{
  31  */
  32 /** @file
  33  */
  34
  35 #ifndef KERN_sparc64_AS_H_
  36 #define KERN_sparc64_AS_H_
  37
  38 #ifdef CONFIG_TSB
  39 #include <arch/mm/tsb.h>
  40 #endif
  41
  42 #define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH      1
  43
  44 #define KERNEL_ADDRESS_SPACE_START_ARCH         (unsigned long) 0x0000000000000000
  45 #define KERNEL_ADDRESS_SPACE_END_ARCH           (unsigned long) 0xffffffffffffffff
  46 #define USER_ADDRESS_SPACE_START_ARCH           (unsigned long) 0x0000000000000000
  47 #define USER_ADDRESS_SPACE_END_ARCH             (unsigned long) 0xffffffffffffffff
  48
  49 #define USTACK_ADDRESS_ARCH     (0xffffffffffffffffULL-(PAGE_SIZE-1))
  50
  51 typedef struct {
  52 #ifdef CONFIG_TSB
  53         tsb_entry_t *itsb;
  54         tsb_entry_t *dtsb;
  55 #endif
  56 } as_arch_t;
  57
  58 #ifdef CONFIG_TSB
  59 #       define as_invalidate_translation_cache(as, page, cnt)   tsb_invalidate(as, page, cnt)
  60 #else
  61 #       define as_invalidate_translation_cache(as, page, cnt)
  62 #endif
  63
  64 extern void as_arch_init(void);
  65
  66 #endif
  67
  68 /** @}
  69  */