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 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