1 /*
2 * Copyright (c) 2006 Apple Computer, 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 <string.h>
30 #include <kern/assert.h>
31 #include <mach/i386/vm_param.h>
32 #include <mach/i386/kern_return.h>
33 #include <vm/vm_kern.h>
34 #include <i386/pmap.h>
35 #include "vmx_shims.h"
36
37 void *
vmx_pcalloc(void)38 vmx_pcalloc(void)
39 {
40 char *pptr;
41 kern_return_t ret;
42 ret = kmem_alloc(kernel_map, (vm_offset_t *)&pptr, PAGE_SIZE,
43 KMA_KOBJECT | KMA_DATA | KMA_ZERO, VM_KERN_MEMORY_OSFMK);
44 if (ret != KERN_SUCCESS) {
45 return NULL;
46 }
47 return pptr;
48 }
49
50 addr64_t
vmx_paddr(void * va)51 vmx_paddr(void *va)
52 {
53 return ptoa_64(pmap_find_phys(kernel_pmap, (addr64_t)(uintptr_t)va));
54 }
55
56 void
vmx_pfree(void * va)57 vmx_pfree(void *va)
58 {
59 kmem_free(kernel_map, (vm_offset_t)va, PAGE_SIZE);
60 }
61