/*
 * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_LICENSE_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
 * limitations under the License.
 *
 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
 */

#include <string.h>
#include <kern/assert.h>
#include <mach/i386/vm_param.h>
#include <mach/i386/kern_return.h>
#include <vm/vm_kern_xnu.h>
#include <vm/pmap.h>
#include "vmx_shims.h"

void *
vmx_pcalloc(void)
{
	char               *pptr;
	kern_return_t   ret;
	ret = kmem_alloc(kernel_map, (vm_offset_t *)&pptr, PAGE_SIZE,
	    KMA_KOBJECT | KMA_DATA | KMA_ZERO, VM_KERN_MEMORY_OSFMK);
	if (ret != KERN_SUCCESS) {
		return NULL;
	}
	return pptr;
}

addr64_t
vmx_paddr(void *va)
{
	return ptoa_64(pmap_find_phys(kernel_pmap, (addr64_t)(uintptr_t)va));
}

void
vmx_pfree(void *va)
{
	kmem_free(kernel_map, (vm_offset_t)va, PAGE_SIZE);
}
