osfmk/arm/machine_kpc.h

   1 /*
   2  * Copyright (c) 2013 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,
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  23  * Please see the License for the specific language governing rights and
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  26  * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  27  */
  28 #ifndef _MACHINE_ARM_KPC_H
  29 #define _MACHINE_ARM_KPC_H
  30
  31 #ifdef ARMA7
  32
  33 #define KPC_ARM_FIXED_COUNT             1
  34 #define KPC_ARM_CONFIGURABLE_COUNT      4
  35
  36 #define KPC_ARM_TOTAL_COUNT                     (KPC_ARM_FIXED_COUNT + KPC_ARM_CONFIGURABLE_COUNT)
  37
  38 #define KPC_ARM_COUNTER_WIDTH 32
  39
  40 #else
  41
  42 #define KPC_ARM_FIXED_COUNT             2
  43 #define KPC_ARM_CONFIGURABLE_COUNT      6
  44
  45 #define KPC_ARM_COUNTER_WIDTH 39
  46 #define KPC_ARM_COUNTER_MASK ((1ull << KPC_ARM_COUNTER_WIDTH) - 1)
  47 #define KPC_ARM_COUNTER_OVF_BIT (39)
  48 #define KPC_ARM_COUNTER_OVF_MASK (1ull << KPC_ARM_COUNTER_OVF_BIT)
  49
  50 #endif
  51
  52 typedef uint64_t kpc_config_t;
  53
  54 /* Size to the maximum number of counters we could read from every class in one go */
  55 #define KPC_MAX_COUNTERS (KPC_ARM_FIXED_COUNT + KPC_ARM_CONFIGURABLE_COUNT + 1)
  56
  57 /* arm32 uses fixed counter shadows */
  58 #define FIXED_COUNTER_SHADOW  (1)
  59
  60 #endif /* _MACHINE_ARM_KPC_H */