/* * Copyright (c) 2017 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ #ifndef ARM64_MONOTONIC_H #define ARM64_MONOTONIC_H #include <pexpert/arm64/board_config.h> #if KERNEL_PRIVATE #include <stdint.h> #define MT_NDEVS 1 #define MT_CORE_CYCLES 0 #define MT_CORE_INSTRS 1 #define MT_CORE_NFIXED 2 #define MT_CORE_MAXVAL ((UINT64_C(1) << 48) - 1) #endif /* KERNEL_PRIVATE */ #if MACH_KERNEL_PRIVATE #include <stdbool.h> #define PMSR "s3_1_c15_c13_0" #define PMSR_PMI(REG) ((REG) & ((1 << CORE_NCTRS) - 1)) static inline bool mt_pmi_pending(uint64_t * restrict pmsr, uint64_t * restrict upmsr) { *pmsr = __builtin_arm_rsr64(PMSR); bool pmi = PMSR_PMI(*pmsr); #pragma unused(upmsr) return pmi; } void mt_fiq(void *cpu, uint64_t pmsr, uint64_t upmsr); #endif /* MACH_KERNEL_PRIVATE */ #endif /* !defined(ARM64_MONOTONIC_H) */