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