1/* 2 * Copyright (c) 2003-2007 Apple 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#include <mach/vm_param.h> 30#include <chud/chud_xnu.h> 31#include <machine/machine_routines.h> 32 33extern unsigned int IODefaultCacheBits(addr64_t pa); 34extern unsigned int vm_page_free_count; 35extern unsigned int vm_page_inactive_count; 36 37__private_extern__ uint64_t 38chudxnu_avail_memory_size(void) 39{ 40 return max_mem; 41} 42 43__private_extern__ uint64_t 44chudxnu_phys_memory_size(void) 45{ 46 return mem_actual; 47} 48 49/* 50 * This function is not intended to be valid for any amount of time, 51 * it is just an instantaneous snapshot of the current free memory size. 52 */ 53__private_extern__ 54uint64_t chudxnu_free_memory_size(void) 55{ 56 return (uint64_t)vm_page_free_count * (uint64_t)page_size; 57} 58 59/* 60 * This function is not intended to be valid for any amount of time, 61 * it is just an instantaneous snapshot of the current inactive memory size. 62 */ 63__private_extern__ 64uint64_t chudxnu_inactive_memory_size(void) 65{ 66 return (uint64_t)vm_page_inactive_count * (uint64_t)page_size; 67} 68 69#pragma mark *** DEPRECATED *** 70 71// DEPRECATED 72__private_extern__ 73vm_offset_t chudxnu_io_map(uint64_t phys_addr, vm_size_t size) 74{ 75 return ml_io_map(phys_addr, size); // XXXXX limited to first 2GB XXXXX 76} 77 78// DEPRECATED 79__private_extern__ uint32_t 80chudxnu_phys_addr_wimg(uint64_t phys_addr) 81{ 82 return IODefaultCacheBits(phys_addr); 83} 84