osfmk/ppc/mem.h

   1 /*
   2  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22 /*
  23  * @OSF_COPYRIGHT@
  24  */
  25
  26 #ifndef _PPC_MEM_H_
  27 #define _PPC_MEM_H_
  28
  29 #include <mach_kdb.h>
  30 #include <mach_kgdb.h>
  31
  32 #include <ppc/proc_reg.h>
  33 #include <ppc/pmap.h>
  34 #include <mach/vm_types.h>
  35
  36 extern vm_offset_t      static_memory_end;
  37
  38 extern addr64_t         hash_table_base;
  39 extern unsigned int     hash_table_size;
  40 extern int          hash_table_shift;   /* size adjustment: bigger if >0, smaller if <0 */
  41
  42 void hash_table_init(vm_offset_t base, vm_offset_t size);
  43
  44 #define MAX_BAT         4
  45
  46 #pragma pack(4)                                                 /* Make sure the structure stays as we defined it */
  47 typedef struct ppcBAT {
  48         unsigned int    upper;  /* Upper half of BAT */
  49         unsigned int    lower;  /* Lower half of BAT */
  50 } ppcBAT;
  51 #pragma pack()
  52
  53 #pragma pack(4)                                                 /* Make sure the structure stays as we defined it */
  54 struct shadowBAT {
  55         ppcBAT  IBATs[MAX_BAT]; /* Instruction BATs */
  56         ppcBAT  DBATs[MAX_BAT]; /* Data BAT */
  57 };
  58 #pragma pack()
  59
  60 extern struct shadowBAT shadow_BAT;
  61
  62 #endif /* _PPC_MEM_H_ */