LXR darwin-xnu/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
  36extern vm_offset_t      static_memory_end;
  37
  38extern addr64_t         hash_table_base;
  39extern unsigned int     hash_table_size;
  40extern int          hash_table_shift;   /* size adjustment: bigger if >0, smaller if <0 */
  41
  42void 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 */
  47typedef 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 */
  54struct shadowBAT {
  55        ppcBAT  IBATs[MAX_BAT]; /* Instruction BATs */
  56        ppcBAT  DBATs[MAX_BAT]; /* Data BAT */
  57};
  58#pragma pack()
  59
  60extern struct shadowBAT shadow_BAT;     
  61
  62#endif /* _PPC_MEM_H_ */
  63