osfmk/ppc/mem.h

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