1 | /* |
2 | * Copyright (c) 2017 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 _ARM64_MACHINE_CPUID_H_ |
29 | #define _ARM64_MACHINE_CPUID_H_ |
30 | |
31 | typedef struct { |
32 | uint64_t el0_not_implemented : 1, |
33 | el0_aarch64_only : 1, |
34 | el0_aarch32_and_64 : 1, |
35 | el1_not_implemented : 1, |
36 | el1_aarch64_only : 1, |
37 | el1_aarch32_and_64 : 1, |
38 | el2_not_implemented : 1, |
39 | el2_aarch64_only : 1, |
40 | el2_aarch32_and_64 : 1, |
41 | el3_not_implemented : 1, |
42 | el3_aarch64_only : 1, |
43 | el3_aarch32_and_64 : 1, |
44 | reserved : 52; |
45 | } arm_feature_bits_t; |
46 | |
47 | /* Debug identification */ |
48 | |
49 | /* ID_AA64DFR0_EL1 */ |
50 | typedef union { |
51 | struct { |
52 | uint64_t debug_arch_version : 4, |
53 | trace_extn_version : 4, |
54 | perf_extn_version : 4, |
55 | brps : 4, |
56 | reserved0 : 4, |
57 | wrps : 4, |
58 | reserved1 : 4, |
59 | ctx_cmps : 4, |
60 | reserved32 : 32; |
61 | } debug_feature; |
62 | uint64_t value; |
63 | } arm_cpuid_id_aa64dfr0_el1; |
64 | |
65 | typedef struct { |
66 | uint32_t num_watchpoint_pairs; |
67 | uint32_t num_breakpoint_pairs; |
68 | } arm_debug_info_t; |
69 | |
70 | #endif /* _MACHINE_CPUID_H_ */ |
71 | |