osfmk/ppc/mem.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
   7  *
   8  * This file contains Original Code and/or Modifications of Original Code
   9  * as defined in and that are subject to the Apple Public Source License
  10  * Version 2.0 (the 'License'). You may not use this file except in
  11  * compliance with the License. Please obtain a copy of the License at
  12  * http://www.opensource.apple.com/apsl/ and read it before using this
  13  * file.
  14  *
  15  * The Original Code and all software distributed under the License are
  16  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  17  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  18  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  19  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  20  * Please see the License for the specific language governing rights and
  21  * limitations under the License.
  22  *
  23  * @APPLE_LICENSE_HEADER_END@
  24  */
  25 /*
  26  * @OSF_COPYRIGHT@
  27  */
  28
  29 #ifndef _PPC_MEM_H_
  30 #define _PPC_MEM_H_
  31
  32 #include <mach_kdb.h>
  33 #include <mach_kgdb.h>
  34
  35 #include <ppc/proc_reg.h>
  36 #include <ppc/pmap.h>
  37 #include <ppc/pmap_internals.h>
  38 #include <mach/vm_types.h>
  39
  40 extern vm_offset_t hash_table_base;
  41 extern unsigned int hash_table_size;
  42
  43 void hash_table_init(vm_offset_t base, vm_offset_t size);
  44
  45 #define MAX_BAT         4
  46
  47 typedef struct ppcBAT {
  48         unsigned int    upper;  /* Upper half of BAT */
  49         unsigned int    lower;  /* Lower half of BAT */
  50 } ppcBAT;
  51
  52 struct shadowBAT {
  53         ppcBAT  IBATs[MAX_BAT]; /* Instruction BATs */
  54         ppcBAT  DBATs[MAX_BAT]; /* Data BAT */
  55 };
  56
  57 extern struct shadowBAT shadow_BAT;
  58
  59 #endif /* _PPC_MEM_H_ */