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 #endif /* _ARM_MEMORY_TYPES_H_ */ 54