1 | /* |
2 | * Copyright (c) 2012 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, |
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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 _MACHINE_ARM64_KPC_H |
29 | #define _MACHINE_ARM64_KPC_H |
30 | |
31 | #include <pexpert/arm64/board_config.h> |
32 | #include <stdint.h> |
33 | |
34 | typedef uint64_t kpc_config_t; |
35 | |
36 | #define KPC_ARM64_FIXED_COUNT (2) |
37 | #define KPC_ARM64_CONFIGURABLE_COUNT (CORE_NCTRS - KPC_ARM64_FIXED_COUNT) |
38 | |
39 | #if CPMU_64BIT_PMCS |
40 | #define KPC_ARM64_COUNTER_WIDTH (63) |
41 | #define KPC_ARM64_COUNTER_OVF_BIT (63) |
42 | #else // CPMU_64BIT_PMCS |
43 | #define KPC_ARM64_COUNTER_WIDTH (47) |
44 | #define KPC_ARM64_COUNTER_OVF_BIT (47) |
45 | #endif // !CPMU_64BIT_PMCS |
46 | |
47 | #define KPC_ARM64_COUNTER_MASK ((UINT64_C(1) << KPC_ARM64_COUNTER_WIDTH) - 1) |
48 | #define KPC_ARM64_COUNTER_OVF_MASK (UINT64_C(1) << KPC_ARM64_COUNTER_OVF_BIT) |
49 | |
50 | /* arm64 uses fixed counter shadows */ |
51 | #define FIXED_COUNTER_SHADOW (1) |
52 | |
53 | #define KPC_ARM64_PMC_COUNT (KPC_ARM64_FIXED_COUNT + KPC_ARM64_CONFIGURABLE_COUNT) |
54 | |
55 | /* Size to the maximum number of counters we could read from every class in one go */ |
56 | #define KPC_MAX_COUNTERS (KPC_ARM64_FIXED_COUNT + KPC_ARM64_CONFIGURABLE_COUNT + 1) |
57 | |
58 | #endif /* _MACHINE_ARM64_KPC_H */ |
59 | |