| | 1 | /* |
| | 2 | * Copyright (c) 2017 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 ARM64_MONOTONIC_H |
| | 29 | #define ARM64_MONOTONIC_H |
| | 30 | |
| | 31 | #include <pexpert/arm64/board_config.h> |
| | 32 | |
| | 33 | #if KERNEL_PRIVATE |
| | 34 | |
| | 35 | #include <stdint.h> |
| | 36 | |
| | 37 | #define MT_NDEVS 1 |
| | 38 | |
| | 39 | #define MT_CORE_CYCLES 0 |
| | 40 | #define MT_CORE_INSTRS 1 |
| | 41 | #define MT_CORE_NFIXED 2 |
| | 42 | #define MT_CORE_MAXVAL ((UINT64_C(1) << 48) - 1) |
| | 43 | |
| | 44 | #endif /* KERNEL_PRIVATE */ |
| | 45 | |
| | 46 | #if MACH_KERNEL_PRIVATE |
| | 47 | |
| | 48 | #include <stdbool.h> |
| | 49 | |
| | 50 | #define PMSR "s3_1_c15_c13_0" |
| | 51 | #define PMSR_PMI(REG) ((REG) & ((1 << CORE_NCTRS) - 1)) |
| | 52 | |
| | 53 | |
| | 54 | static inline bool |
| | 55 | mt_pmi_pending(uint64_t * restrict pmsr, uint64_t * restrict upmsr) |
| | 56 | { |
| | 57 | *pmsr = __builtin_arm_rsr64(PMSR); |
| | 58 | bool pmi = PMSR_PMI(*pmsr); |
| | 59 | |
| | 60 | #pragma unused(upmsr) |
| | 61 | |
| | 62 | return pmi; |
| | 63 | } |
| | 64 | |
| | 65 | void mt_fiq(void *cpu, uint64_t pmsr, uint64_t upmsr); |
| | 66 | |
| | 67 | #endif /* MACH_KERNEL_PRIVATE */ |
| | 68 | |
| | 69 | #endif /* !defined(ARM64_MONOTONIC_H) */ |
projects / apple / xnu.git / blame_incremental