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,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
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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
34typedef 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