osfmk/ppc/mem.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License.  The rights granted to you under the
  10  * License may not be used to create, or enable the creation or
  11  * redistribution of, unlawful or unlicensed copies of an Apple operating
  12  * system, or to circumvent, violate, or enable the circumvention or
  13  * violation of, any terms of an Apple operating system software license
  14  * agreement.
  15  *
  16  * Please obtain a copy of the License at
  17  * http://www.opensource.apple.com/apsl/ and read it before using this
  18  * file.
  19  *
  20  * The Original Code and all software distributed under the License are
  21  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  22  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  23  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  24  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  25  * Please see the License for the specific language governing rights and
  26  * limitations under the License.
  27  *
  28  * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  29  */
  30 /*
  31  * @OSF_COPYRIGHT@
  32  */
  33
  34 #ifndef _PPC_MEM_H_
  35 #define _PPC_MEM_H_
  36
  37 #include <mach_kdb.h>
  38 #include <mach_kgdb.h>
  39
  40 #include <ppc/proc_reg.h>
  41 #include <ppc/pmap.h>
  42 #include <mach/vm_types.h>
  43
  44 extern vm_offset_t      static_memory_end;
  45
  46 extern addr64_t         hash_table_base;
  47 extern unsigned int     hash_table_size;
  48 extern int          hash_table_shift;   /* size adjustment: bigger if >0, smaller if <0 */
  49
  50 void hash_table_init(vm_offset_t base, vm_offset_t size);
  51
  52 #define MAX_BAT         4
  53
  54 #pragma pack(4)                                                 /* Make sure the structure stays as we defined it */
  55 typedef struct ppcBAT {
  56         unsigned int    upper;  /* Upper half of BAT */
  57         unsigned int    lower;  /* Lower half of BAT */
  58 } ppcBAT;
  59 #pragma pack()
  60
  61 #pragma pack(4)                                                 /* Make sure the structure stays as we defined it */
  62 struct shadowBAT {
  63         ppcBAT  IBATs[MAX_BAT]; /* Instruction BATs */
  64         ppcBAT  DBATs[MAX_BAT]; /* Data BAT */
  65 };
  66 #pragma pack()
  67
  68 extern struct shadowBAT shadow_BAT;
  69
  70 #endif /* _PPC_MEM_H_ */