1 | /* |
2 | * Copyright (c) 2018 Apple 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 | #ifndef _ARM_MEMORY_TYPES_H_ |
29 | #define _ARM_MEMORY_TYPES_H_ |
30 | |
31 | #include <machine/config.h> |
32 | |
33 | #define VM_MEM_INNER 0x10 |
34 | #define VM_MEM_RT 0x10 // intentionally alias VM_MEM_INNER; will be used with mutually exclusive caching policies |
35 | #define VM_MEM_EARLY_ACK 0x20 |
36 | |
37 | #define VM_WIMG_DEFAULT (VM_MEM_COHERENT) // 0x2 |
38 | #define VM_WIMG_COPYBACK (VM_MEM_COHERENT) // 0x2 |
39 | #define VM_WIMG_INNERWBACK (VM_MEM_COHERENT | VM_MEM_INNER) // 0x12 |
40 | #define VM_WIMG_IO (VM_MEM_COHERENT | VM_MEM_NOT_CACHEABLE | VM_MEM_GUARDED) // 0x7 |
41 | #define VM_WIMG_POSTED (VM_MEM_COHERENT | VM_MEM_NOT_CACHEABLE | VM_MEM_GUARDED | VM_MEM_EARLY_ACK) // 0x27 |
42 | #define VM_WIMG_WTHRU (VM_MEM_WRITE_THROUGH | VM_MEM_COHERENT | VM_MEM_GUARDED) // 0xb |
43 | #define VM_WIMG_WCOMB (VM_MEM_NOT_CACHEABLE | VM_MEM_COHERENT) // 0x6 |
44 | #if HAS_UCNORMAL_MEM |
45 | #define VM_WIMG_RT (VM_WIMG_WCOMB | VM_MEM_RT) // 0x16 |
46 | #else |
47 | #define VM_WIMG_RT (VM_WIMG_IO | VM_MEM_RT) // 0x17 |
48 | #endif |
49 | #define VM_WIMG_POSTED_REORDERED (VM_MEM_NOT_CACHEABLE | VM_MEM_COHERENT | VM_MEM_WRITE_THROUGH | VM_MEM_EARLY_ACK) // 0x2e |
50 | #define VM_WIMG_POSTED_COMBINED_REORDERED (VM_MEM_NOT_CACHEABLE | VM_MEM_COHERENT | VM_MEM_EARLY_ACK) // 0x26 |
51 | |
52 | |
53 | |
54 | #endif /* _ARM_MEMORY_TYPES_H_ */ |
55 | |