projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b | 1 | /* |
| 91447636 | 2 | * Copyright (c) 2000-2003 Apple Computer, Inc. All rights reserved. |
| 1c79356b | 3 | * |
| 2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 1c79356b | 5 | * |
| 2d21ac55 A |
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. | |
| 8f6c56a5 | 14 | * |
| 2d21ac55 A |
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 | |
| 8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 2d21ac55 A |
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. | |
| 8f6c56a5 | 25 | * |
| 2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 1c79356b | 27 | */ |
| 91447636 A |
28 | |
| 29 | #ifndef _I386_MTRR_H_ | |
| 30 | #define _I386_MTRR_H_ | |
| 31 | ||
| 1c79356b | 32 | /* |
| 91447636 | 33 | * Memory type range register (MTRR) support. |
| 1c79356b | 34 | */ |
| 1c79356b | 35 | |
| 91447636 | 36 | #include <mach/std_types.h> |
| 9bccf70c | 37 | #include <sys/appleapiopts.h> |
| 91447636 A |
38 | #include <sys/cdefs.h> |
| 39 | ||
| 40 | #ifdef __APPLE_API_PRIVATE | |
| 41 | ||
| 42 | enum { | |
| 43 | MTRR_TYPE_UNCACHEABLE = 0, | |
| 44 | MTRR_TYPE_WRITECOMBINE = 1, | |
| 45 | MTRR_TYPE_WRITETHROUGH = 4, | |
| 46 | MTRR_TYPE_WRITEPROTECT = 5, | |
| 47 | MTRR_TYPE_WRITEBACK = 6 | |
| 48 | }; | |
| 49 | ||
| 50 | __BEGIN_DECLS | |
| 51 | ||
| 52 | extern void mtrr_init(void); | |
| 53 | extern kern_return_t mtrr_update_cpu(void); | |
| 54 | extern kern_return_t mtrr_update_all_cpus(void); | |
| 55 | ||
| 56 | extern kern_return_t mtrr_range_add( addr64_t phys_addr, | |
| 57 | uint64_t length, | |
| 58 | uint32_t mem_type); | |
| 9bccf70c | 59 | |
| 91447636 A |
60 | extern kern_return_t mtrr_range_remove( addr64_t phys_addr, |
| 61 | uint64_t length, | |
| 62 | uint32_t mem_type); | |
| 9bccf70c | 63 | |
| 91447636 | 64 | extern void pat_init(void); |
| 1c79356b | 65 | |
| 91447636 | 66 | __END_DECLS |
| 9bccf70c | 67 | |
| 91447636 | 68 | #endif /* __APPLE_API_PRIVATE */ |
| 9bccf70c | 69 | |
| 91447636 | 70 | #endif /* !_I386_MTRR_H_ */ |