osfmk/ppc/mem.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_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. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23 /*
  24  * @OSF_COPYRIGHT@
  25  */
  26
  27 #ifndef _PPC_MEM_H_
  28 #define _PPC_MEM_H_
  29
  30 #include <mach_kdb.h>
  31 #include <mach_kgdb.h>
  32
  33 #include <ppc/proc_reg.h>
  34 #include <ppc/pmap.h>
  35 #include <mach/vm_types.h>
  36
  37 extern vm_offset_t      static_memory_end;
  38
  39 extern addr64_t         hash_table_base;
  40 extern unsigned int     hash_table_size;
  41 extern int          hash_table_shift;   /* size adjustment: bigger if >0, smaller if <0 */
  42
  43 void hash_table_init(vm_offset_t base, vm_offset_t size);
  44
  45 #define MAX_BAT         4
  46
  47 #pragma pack(4)                                                 /* Make sure the structure stays as we defined it */
  48 typedef struct ppcBAT {
  49         unsigned int    upper;  /* Upper half of BAT */
  50         unsigned int    lower;  /* Lower half of BAT */
  51 } ppcBAT;
  52 #pragma pack()
  53
  54 #pragma pack(4)                                                 /* Make sure the structure stays as we defined it */
  55 struct shadowBAT {
  56         ppcBAT  IBATs[MAX_BAT]; /* Instruction BATs */
  57         ppcBAT  DBATs[MAX_BAT]; /* Data BAT */
  58 };
  59 #pragma pack()
  60
  61 extern struct shadowBAT shadow_BAT;
  62
  63 #endif /* _PPC_MEM_H_ */