htmintrin.h (6283B) - Raw
1 /*===---- htmintrin.h - Standard header for PowerPC HTM ---------------===*\ 2 * 3 * Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 * See https://llvm.org/LICENSE.txt for license information. 5 * SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 * 7 \*===----------------------------------------------------------------------===*/ 8 9 #ifndef __HTMINTRIN_H 10 #define __HTMINTRIN_H 11 12 #ifndef __HTM__ 13 #error "HTM instruction set not enabled" 14 #endif 15 16 #ifdef __powerpc__ 17 18 #include <stdint.h> 19 20 typedef uint64_t texasr_t; 21 typedef uint32_t texasru_t; 22 typedef uint32_t texasrl_t; 23 typedef uintptr_t tfiar_t; 24 typedef uintptr_t tfhar_t; 25 26 #define _HTM_STATE(CR0) ((CR0 >> 1) & 0x3) 27 #define _HTM_NONTRANSACTIONAL 0x0 28 #define _HTM_SUSPENDED 0x1 29 #define _HTM_TRANSACTIONAL 0x2 30 31 #define _TEXASR_EXTRACT_BITS(TEXASR,BITNUM,SIZE) \ 32 (((TEXASR) >> (63-(BITNUM))) & ((1<<(SIZE))-1)) 33 #define _TEXASRU_EXTRACT_BITS(TEXASR,BITNUM,SIZE) \ 34 (((TEXASR) >> (31-(BITNUM))) & ((1<<(SIZE))-1)) 35 36 #define _TEXASR_FAILURE_CODE(TEXASR) \ 37 _TEXASR_EXTRACT_BITS(TEXASR, 7, 8) 38 #define _TEXASRU_FAILURE_CODE(TEXASRU) \ 39 _TEXASRU_EXTRACT_BITS(TEXASRU, 7, 8) 40 41 #define _TEXASR_FAILURE_PERSISTENT(TEXASR) \ 42 _TEXASR_EXTRACT_BITS(TEXASR, 7, 1) 43 #define _TEXASRU_FAILURE_PERSISTENT(TEXASRU) \ 44 _TEXASRU_EXTRACT_BITS(TEXASRU, 7, 1) 45 46 #define _TEXASR_DISALLOWED(TEXASR) \ 47 _TEXASR_EXTRACT_BITS(TEXASR, 8, 1) 48 #define _TEXASRU_DISALLOWED(TEXASRU) \ 49 _TEXASRU_EXTRACT_BITS(TEXASRU, 8, 1) 50 51 #define _TEXASR_NESTING_OVERFLOW(TEXASR) \ 52 _TEXASR_EXTRACT_BITS(TEXASR, 9, 1) 53 #define _TEXASRU_NESTING_OVERFLOW(TEXASRU) \ 54 _TEXASRU_EXTRACT_BITS(TEXASRU, 9, 1) 55 56 #define _TEXASR_FOOTPRINT_OVERFLOW(TEXASR) \ 57 _TEXASR_EXTRACT_BITS(TEXASR, 10, 1) 58 #define _TEXASRU_FOOTPRINT_OVERFLOW(TEXASRU) \ 59 _TEXASRU_EXTRACT_BITS(TEXASRU, 10, 1) 60 61 #define _TEXASR_SELF_INDUCED_CONFLICT(TEXASR) \ 62 _TEXASR_EXTRACT_BITS(TEXASR, 11, 1) 63 #define _TEXASRU_SELF_INDUCED_CONFLICT(TEXASRU) \ 64 _TEXASRU_EXTRACT_BITS(TEXASRU, 11, 1) 65 66 #define _TEXASR_NON_TRANSACTIONAL_CONFLICT(TEXASR) \ 67 _TEXASR_EXTRACT_BITS(TEXASR, 12, 1) 68 #define _TEXASRU_NON_TRANSACTIONAL_CONFLICT(TEXASRU) \ 69 _TEXASRU_EXTRACT_BITS(TEXASRU, 12, 1) 70 71 #define _TEXASR_TRANSACTION_CONFLICT(TEXASR) \ 72 _TEXASR_EXTRACT_BITS(TEXASR, 13, 1) 73 #define _TEXASRU_TRANSACTION_CONFLICT(TEXASRU) \ 74 _TEXASRU_EXTRACT_BITS(TEXASRU, 13, 1) 75 76 #define _TEXASR_TRANSLATION_INVALIDATION_CONFLICT(TEXASR) \ 77 _TEXASR_EXTRACT_BITS(TEXASR, 14, 1) 78 #define _TEXASRU_TRANSLATION_INVALIDATION_CONFLICT(TEXASRU) \ 79 _TEXASRU_EXTRACT_BITS(TEXASRU, 14, 1) 80 81 #define _TEXASR_IMPLEMENTAION_SPECIFIC(TEXASR) \ 82 _TEXASR_EXTRACT_BITS(TEXASR, 15, 1) 83 #define _TEXASRU_IMPLEMENTAION_SPECIFIC(TEXASRU) \ 84 _TEXASRU_EXTRACT_BITS(TEXASRU, 15, 1) 85 86 #define _TEXASR_INSTRUCTION_FETCH_CONFLICT(TEXASR) \ 87 _TEXASR_EXTRACT_BITS(TEXASR, 16, 1) 88 #define _TEXASRU_INSTRUCTION_FETCH_CONFLICT(TEXASRU) \ 89 _TEXASRU_EXTRACT_BITS(TEXASRU, 16, 1) 90 91 #define _TEXASR_ABORT(TEXASR) \ 92 _TEXASR_EXTRACT_BITS(TEXASR, 31, 1) 93 #define _TEXASRU_ABORT(TEXASRU) \ 94 _TEXASRU_EXTRACT_BITS(TEXASRU, 31, 1) 95 96 97 #define _TEXASR_SUSPENDED(TEXASR) \ 98 _TEXASR_EXTRACT_BITS(TEXASR, 32, 1) 99 100 #define _TEXASR_PRIVILEGE(TEXASR) \ 101 _TEXASR_EXTRACT_BITS(TEXASR, 35, 2) 102 103 #define _TEXASR_FAILURE_SUMMARY(TEXASR) \ 104 _TEXASR_EXTRACT_BITS(TEXASR, 36, 1) 105 106 #define _TEXASR_TFIAR_EXACT(TEXASR) \ 107 _TEXASR_EXTRACT_BITS(TEXASR, 37, 1) 108 109 #define _TEXASR_ROT(TEXASR) \ 110 _TEXASR_EXTRACT_BITS(TEXASR, 38, 1) 111 112 #define _TEXASR_TRANSACTION_LEVEL(TEXASR) \ 113 _TEXASR_EXTRACT_BITS(TEXASR, 63, 12) 114 115 #endif /* __powerpc */ 116 117 #ifdef __s390__ 118 119 /* Condition codes generated by tbegin */ 120 #define _HTM_TBEGIN_STARTED 0 121 #define _HTM_TBEGIN_INDETERMINATE 1 122 #define _HTM_TBEGIN_TRANSIENT 2 123 #define _HTM_TBEGIN_PERSISTENT 3 124 125 /* The abort codes below this threshold are reserved for machine use. */ 126 #define _HTM_FIRST_USER_ABORT_CODE 256 127 128 /* The transaction diagnostic block is it is defined in the Principles 129 of Operation chapter 5-91. */ 130 131 struct __htm_tdb { 132 unsigned char format; /* 0 */ 133 unsigned char flags; 134 unsigned char reserved1[4]; 135 unsigned short nesting_depth; 136 unsigned long long abort_code; /* 8 */ 137 unsigned long long conflict_token; /* 16 */ 138 unsigned long long atia; /* 24 */ 139 unsigned char eaid; /* 32 */ 140 unsigned char dxc; 141 unsigned char reserved2[2]; 142 unsigned int program_int_id; 143 unsigned long long exception_id; /* 40 */ 144 unsigned long long bea; /* 48 */ 145 unsigned char reserved3[72]; /* 56 */ 146 unsigned long long gprs[16]; /* 128 */ 147 } __attribute__((__packed__, __aligned__ (8))); 148 149 150 /* Helper intrinsics to retry tbegin in case of transient failure. */ 151 152 static __inline int __attribute__((__always_inline__, __nodebug__)) 153 __builtin_tbegin_retry_null (int __retry) 154 { 155 int cc, i = 0; 156 157 while ((cc = __builtin_tbegin(0)) == _HTM_TBEGIN_TRANSIENT 158 && i++ < __retry) 159 __builtin_tx_assist(i); 160 161 return cc; 162 } 163 164 static __inline int __attribute__((__always_inline__, __nodebug__)) 165 __builtin_tbegin_retry_tdb (void *__tdb, int __retry) 166 { 167 int cc, i = 0; 168 169 while ((cc = __builtin_tbegin(__tdb)) == _HTM_TBEGIN_TRANSIENT 170 && i++ < __retry) 171 __builtin_tx_assist(i); 172 173 return cc; 174 } 175 176 #define __builtin_tbegin_retry(tdb, retry) \ 177 (__builtin_constant_p(tdb == 0) && tdb == 0 ? \ 178 __builtin_tbegin_retry_null(retry) : \ 179 __builtin_tbegin_retry_tdb(tdb, retry)) 180 181 static __inline int __attribute__((__always_inline__, __nodebug__)) 182 __builtin_tbegin_retry_nofloat_null (int __retry) 183 { 184 int cc, i = 0; 185 186 while ((cc = __builtin_tbegin_nofloat(0)) == _HTM_TBEGIN_TRANSIENT 187 && i++ < __retry) 188 __builtin_tx_assist(i); 189 190 return cc; 191 } 192 193 static __inline int __attribute__((__always_inline__, __nodebug__)) 194 __builtin_tbegin_retry_nofloat_tdb (void *__tdb, int __retry) 195 { 196 int cc, i = 0; 197 198 while ((cc = __builtin_tbegin_nofloat(__tdb)) == _HTM_TBEGIN_TRANSIENT 199 && i++ < __retry) 200 __builtin_tx_assist(i); 201 202 return cc; 203 } 204 205 #define __builtin_tbegin_retry_nofloat(tdb, retry) \ 206 (__builtin_constant_p(tdb == 0) && tdb == 0 ? \ 207 __builtin_tbegin_retry_nofloat_null(retry) : \ 208 __builtin_tbegin_retry_nofloat_tdb(tdb, retry)) 209 210 #endif /* __s390__ */ 211 212 #endif /* __HTMINTRIN_H */