/*
 * Copyright (c) 2003-2004 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code 
 * as defined in and that are subject to the Apple Public Source License 
 * Version 2.0 (the 'License'). You may not use this file except in 
 * compliance with the License.  The rights granted to you under the 
 * License may not be used to create, or enable the creation or 
 * redistribution of, unlawful or unlicensed copies of an Apple operating 
 * system, or to circumvent, violate, or enable the circumvention or 
 * violation of, any terms of an Apple operating system software license 
 * agreement.
 *
 * Please obtain a copy of the License at 
 * http://www.opensource.apple.com/apsl/ and read it before using this 
 * file.
 *
 * The Original Code and all software distributed under the License are 
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
 * Please see the License for the specific language governing rights and 
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 *
 * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
 */

#include <mach/vm_param.h>
#include <chud/chud_xnu.h>
#include <machine/machine_routines.h>

extern unsigned int IODefaultCacheBits(addr64_t pa);
extern unsigned int vm_page_free_count;

__private_extern__
uint64_t chudxnu_avail_memory_size(void)
{
    return max_mem;
}

__private_extern__
uint64_t chudxnu_phys_memory_size(void)
{
    return mem_actual;
}

/* 
 * This function is not intended to be valid for any amount of time,
 * it is just an instantaneous snapshot of the current free memory size.
 */
__private_extern__
uint64_t chudxnu_free_memory_size(void)
{
    return (uint64_t)vm_page_free_count * (uint64_t)page_size;
}

__private_extern__
vm_offset_t chudxnu_io_map(uint64_t phys_addr, vm_size_t size)
{
    return ml_io_map(phys_addr, size); // XXXXX limited to first 2GB XXXXX
}

__private_extern__
uint32_t chudxnu_phys_addr_wimg(uint64_t phys_addr)
{
    return IODefaultCacheBits(phys_addr);
}
