[3d5f2ef1] | 1 | // |
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[ea7d2b0] | 2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo |
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| 3 | // |
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| 4 | // The contents of this file are covered under the licence agreement in the |
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| 5 | // file "LICENCE" distributed with Cforall. |
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[3d5f2ef1] | 6 | // |
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[73abe95] | 7 | // defs.hfa -- |
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[3d5f2ef1] | 8 | // |
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[ea7d2b0] | 9 | // Author : Thierry Delisle |
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[490d9972] | 10 | // Created On : Thu Nov 9 13:24:10 2017 |
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| 11 | // Last Modified By : Peter A. Buhr |
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[8a13c47] | 12 | // Last Modified On : Tue Jan 28 22:38:27 2020 |
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| 13 | // Update Count : 9 |
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[3d5f2ef1] | 14 | // |
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[ea7d2b0] | 15 | |
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| 16 | #pragma once |
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| 17 | |
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| 18 | #include <stdbool.h> |
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[0cf5b79] | 19 | #include <stddef.h> |
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[ea7d2b0] | 20 | #include <stdint.h> |
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| 21 | |
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[490d9972] | 22 | #define likely(x) __builtin_expect(!!(x), 1) |
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| 23 | #define unlikely(x) __builtin_expect(!!(x), 0) |
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[0cf5b79] | 24 | #define thread_local _Thread_local |
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| 25 | |
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| 26 | typedef void (*fptr_t)(); |
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| 27 | typedef int_fast16_t __lock_size_t; |
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| 28 | |
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| 29 | #ifdef __cforall |
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[b1672e1] | 30 | #define __cfa_anonymous_object(x) inline struct x |
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[0cf5b79] | 31 | #else |
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[b1672e1] | 32 | #define __cfa_anonymous_object(x) x __cfa_anonymous_object |
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[c2b9f21] | 33 | #endif |
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| 34 | |
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| 35 | #ifdef __cforall |
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[8a13c47] | 36 | void abort( const char fmt[], ... ) __attribute__ (( format(printf, 1, 2), __nothrow__, __leaf__, __noreturn__ )); |
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| 37 | void abort( bool signalAbort, const char fmt[], ... ) __attribute__ (( format(printf, 2, 3), __nothrow__, __leaf__, __noreturn__ )); |
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[c2b9f21] | 38 | extern "C" { |
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| 39 | #endif |
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[169d944] | 40 | void __cabi_abort( const char fmt[], ... ) __attribute__ (( format(printf, 1, 2), __nothrow__, __leaf__, __noreturn__ )); |
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[c2b9f21] | 41 | #ifdef __cforall |
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| 42 | } |
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[490d9972] | 43 | #endif |
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[2026bb6] | 44 | |
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| 45 | #if defined(__cforall_thread__) |
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| 46 | #define OPTIONAL_THREAD |
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| 47 | #else |
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| 48 | #define OPTIONAL_THREAD __attribute__((weak)) |
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| 49 | #endif |
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[21184e3] | 50 | |
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| 51 | static inline long long rdtscl(void) { |
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| 52 | unsigned int lo, hi; |
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| 53 | __asm__ __volatile__ ("rdtsc" : "=a"(lo), "=d"(hi)); |
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| 54 | return ( (unsigned long long)lo)|( ((unsigned long long)hi)<<32 ); |
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| 55 | } |
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[7768b8d] | 56 | |
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[b798713] | 57 | // #define __CFA_NO_BIT_TEST_AND_SET__ |
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[7768b8d] | 58 | |
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[dca5802] | 59 | #if defined( __i386 ) |
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| 60 | static inline bool __atomic_bts(volatile unsigned long int * target, unsigned long int bit ) { |
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| 61 | #if defined(__CFA_NO_BIT_TEST_AND_SET__) |
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| 62 | unsigned long int mask = 1ul << bit; |
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| 63 | unsigned long int ret = __atomic_fetch_or(target, mask, (int)__ATOMIC_RELAXED); |
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| 64 | return (ret & mask) != 0; |
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| 65 | #else |
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| 66 | int result = 0; |
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| 67 | asm volatile( |
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| 68 | "LOCK btsl %[bit], %[target]\n\t" |
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| 69 | : "=@ccc" (result) |
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| 70 | : [target] "m" (*target), [bit] "r" (bit) |
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| 71 | ); |
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| 72 | return result != 0; |
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| 73 | #endif |
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| 74 | } |
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| 75 | |
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| 76 | static inline bool __atomic_btr(volatile unsigned long int * target, unsigned long int bit ) { |
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| 77 | #if defined(__CFA_NO_BIT_TEST_AND_SET__) |
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| 78 | unsigned long int mask = 1ul << bit; |
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| 79 | unsigned long int ret = __atomic_fetch_and(target, ~mask, (int)__ATOMIC_RELAXED); |
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| 80 | return (ret & mask) != 0; |
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| 81 | #else |
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| 82 | int result = 0; |
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| 83 | asm volatile( |
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| 84 | "LOCK btrl %[bit], %[target]\n\t" |
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| 85 | :"=@ccc" (result) |
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| 86 | : [target] "m" (*target), [bit] "r" (bit) |
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| 87 | ); |
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| 88 | return result != 0; |
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| 89 | #endif |
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| 90 | } |
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| 91 | #elif defined( __x86_64 ) |
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| 92 | static inline bool __atomic_bts(volatile unsigned long long int * target, unsigned long long int bit ) { |
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[7768b8d] | 93 | #if defined(__CFA_NO_BIT_TEST_AND_SET__) |
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| 94 | unsigned long long int mask = 1ul << bit; |
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| 95 | unsigned long long int ret = __atomic_fetch_or(target, mask, (int)__ATOMIC_RELAXED); |
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| 96 | return (ret & mask) != 0; |
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| 97 | #else |
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| 98 | int result = 0; |
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| 99 | asm volatile( |
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| 100 | "LOCK btsq %[bit], %[target]\n\t" |
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[b798713] | 101 | : "=@ccc" (result) |
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[7768b8d] | 102 | : [target] "m" (*target), [bit] "r" (bit) |
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| 103 | ); |
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| 104 | return result != 0; |
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| 105 | #endif |
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| 106 | } |
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| 107 | |
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[dca5802] | 108 | static inline bool __atomic_btr(volatile unsigned long long int * target, unsigned long long int bit ) { |
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[7768b8d] | 109 | #if defined(__CFA_NO_BIT_TEST_AND_SET__) |
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| 110 | unsigned long long int mask = 1ul << bit; |
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| 111 | unsigned long long int ret = __atomic_fetch_and(target, ~mask, (int)__ATOMIC_RELAXED); |
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| 112 | return (ret & mask) != 0; |
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| 113 | #else |
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| 114 | int result = 0; |
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| 115 | asm volatile( |
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| 116 | "LOCK btrq %[bit], %[target]\n\t" |
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| 117 | :"=@ccc" (result) |
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| 118 | : [target] "m" (*target), [bit] "r" (bit) |
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| 119 | ); |
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| 120 | return result != 0; |
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| 121 | #endif |
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[dca5802] | 122 | } |
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| 123 | #elif defined( __ARM_ARCH ) |
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| 124 | #error __atomic_bts and __atomic_btr not implemented for arm |
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| 125 | #else |
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| 126 | #error uknown hardware architecture |
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| 127 | #endif |
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