osfmk/ppc/chud/chud_memory.c

   1 /*
   2  * Copyright (c) 2003 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 #include <ppc/chud/chud_xnu.h>
  24 #include <ppc/machine_routines.h>
  25
  26 __private_extern__
  27 uint64_t chudxnu_avail_memory_size(void)
  28 {
  29     extern vm_size_t mem_size;
  30     return mem_size;
  31 }
  32
  33 __private_extern__
  34 uint64_t chudxnu_phys_memory_size(void)
  35 {
  36     extern uint64_t mem_actual;
  37     return mem_actual;
  38 }
  39
  40 __private_extern__
  41 vm_offset_t chudxnu_io_map(uint64_t phys_addr, vm_size_t size)
  42 {
  43     return ml_io_map(phys_addr, size); // XXXXX limited to first 2GB XXXXX
  44 }
  45
  46 __private_extern__
  47 uint32_t chudxnu_phys_addr_wimg(uint64_t phys_addr)
  48 {
  49     return IODefaultCacheBits(phys_addr);
  50 }