projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 2d21ac55 A |
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 * | |
| 38 | vmx_pcalloc(void) | |
| 39 | { | |
| 40 | char *pptr; | |
| 41 | kern_return_t ret; | |
| 42 | ret = kmem_alloc_wired(kernel_map, (vm_offset_t *)&pptr, PAGE_SIZE); | |
| 43 | if (ret != KERN_SUCCESS) return (NULL); | |
| 44 | bzero(pptr, PAGE_SIZE); | |
| 45 | return (pptr); | |
| 46 | } | |
| 47 | ||
| 48 | addr64_t | |
| 49 | vmx_paddr(void *va) | |
| 50 | { | |
| 51 | return (ptoa_64(pmap_find_phys(kernel_pmap, (addr64_t)(uint32_t)va))); | |
| 52 | } | |
| 53 | ||
| 54 | void | |
| 55 | vmx_pfree(void *va) | |
| 56 | { | |
| 57 | kmem_free(kernel_map, (vm_offset_t)va, PAGE_SIZE); | |
| 58 | } |