xref: /xnu-10002.1.13/osfmk/arm/machine_kpc.h (revision 1031c584a5e37aff177559b9f69dbd3c8c3fd30a)
1*1031c584SApple OSS Distributions /*
2*1031c584SApple OSS Distributions  * Copyright (c) 2013 Apple Inc. All rights reserved.
3*1031c584SApple OSS Distributions  *
4*1031c584SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*1031c584SApple OSS Distributions  *
6*1031c584SApple OSS Distributions  * This file contains Original Code and/or Modifications of Original Code
7*1031c584SApple OSS Distributions  * as defined in and that are subject to the Apple Public Source License
8*1031c584SApple OSS Distributions  * Version 2.0 (the 'License'). You may not use this file except in
9*1031c584SApple OSS Distributions  * compliance with the License. The rights granted to you under the License
10*1031c584SApple OSS Distributions  * may not be used to create, or enable the creation or redistribution of,
11*1031c584SApple OSS Distributions  * unlawful or unlicensed copies of an Apple operating system, or to
12*1031c584SApple OSS Distributions  * circumvent, violate, or enable the circumvention or violation of, any
13*1031c584SApple OSS Distributions  * terms of an Apple operating system software license agreement.
14*1031c584SApple OSS Distributions  *
15*1031c584SApple OSS Distributions  * Please obtain a copy of the License at
16*1031c584SApple OSS Distributions  * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*1031c584SApple OSS Distributions  *
18*1031c584SApple OSS Distributions  * The Original Code and all software distributed under the License are
19*1031c584SApple OSS Distributions  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*1031c584SApple OSS Distributions  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*1031c584SApple OSS Distributions  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*1031c584SApple OSS Distributions  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*1031c584SApple OSS Distributions  * Please see the License for the specific language governing rights and
24*1031c584SApple OSS Distributions  * limitations under the License.
25*1031c584SApple OSS Distributions  *
26*1031c584SApple OSS Distributions  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*1031c584SApple OSS Distributions  */
28*1031c584SApple OSS Distributions #ifndef _MACHINE_ARM_KPC_H
29*1031c584SApple OSS Distributions #define _MACHINE_ARM_KPC_H
30*1031c584SApple OSS Distributions 
31*1031c584SApple OSS Distributions #include <stdint.h>
32*1031c584SApple OSS Distributions 
33*1031c584SApple OSS Distributions #ifdef ARMA7
34*1031c584SApple OSS Distributions 
35*1031c584SApple OSS Distributions #define KPC_ARM_FIXED_COUNT             1
36*1031c584SApple OSS Distributions #define KPC_ARM_CONFIGURABLE_COUNT      4
37*1031c584SApple OSS Distributions 
38*1031c584SApple OSS Distributions #define KPC_ARM_TOTAL_COUNT                     (KPC_ARM_FIXED_COUNT + KPC_ARM_CONFIGURABLE_COUNT)
39*1031c584SApple OSS Distributions 
40*1031c584SApple OSS Distributions #define KPC_ARM_COUNTER_WIDTH 32
41*1031c584SApple OSS Distributions 
42*1031c584SApple OSS Distributions #else
43*1031c584SApple OSS Distributions 
44*1031c584SApple OSS Distributions #define KPC_ARM_FIXED_COUNT             2
45*1031c584SApple OSS Distributions #define KPC_ARM_CONFIGURABLE_COUNT      6
46*1031c584SApple OSS Distributions 
47*1031c584SApple OSS Distributions #define KPC_ARM_COUNTER_WIDTH 39
48*1031c584SApple OSS Distributions #define KPC_ARM_COUNTER_MASK ((1ull << KPC_ARM_COUNTER_WIDTH) - 1)
49*1031c584SApple OSS Distributions #define KPC_ARM_COUNTER_OVF_BIT (39)
50*1031c584SApple OSS Distributions #define KPC_ARM_COUNTER_OVF_MASK (1ull << KPC_ARM_COUNTER_OVF_BIT)
51*1031c584SApple OSS Distributions 
52*1031c584SApple OSS Distributions #endif
53*1031c584SApple OSS Distributions 
54*1031c584SApple OSS Distributions typedef uint64_t kpc_config_t;
55*1031c584SApple OSS Distributions 
56*1031c584SApple OSS Distributions /* Size to the maximum number of counters we could read from every class in one go */
57*1031c584SApple OSS Distributions #define KPC_MAX_COUNTERS (KPC_ARM_FIXED_COUNT + KPC_ARM_CONFIGURABLE_COUNT + 1)
58*1031c584SApple OSS Distributions 
59*1031c584SApple OSS Distributions /* arm32 uses fixed counter shadows */
60*1031c584SApple OSS Distributions #define FIXED_COUNTER_SHADOW  (1)
61*1031c584SApple OSS Distributions 
62*1031c584SApple OSS Distributions #endif /* _MACHINE_ARM_KPC_H */
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