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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-exception6 *7\*===----------------------------------------------------------------------===*/8 9#ifndef __HTMINTRIN_H10#define __HTMINTRIN_H11 12#ifndef __HTM__13#error "HTM instruction set not enabled"14#endif15 16#ifdef __powerpc__17 18#include <stdint.h>19 20typedef uint64_t texasr_t;21typedef uint32_t texasru_t;22typedef uint32_t texasrl_t;23typedef uintptr_t tfiar_t;24typedef uintptr_t tfhar_t;25 26#define _HTM_STATE(CR0) ((CR0 >> 1) & 0x3)27#define _HTM_NONTRANSACTIONAL 0x028#define _HTM_SUSPENDED        0x129#define _HTM_TRANSACTIONAL    0x230 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       0121#define _HTM_TBEGIN_INDETERMINATE 1122#define _HTM_TBEGIN_TRANSIENT     2123#define _HTM_TBEGIN_PERSISTENT    3124 125/* The abort codes below this threshold are reserved for machine use.  */126#define _HTM_FIRST_USER_ABORT_CODE 256127 128/* The transaction diagnostic block is it is defined in the Principles129   of Operation chapter 5-91.  */130 131struct __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 152static __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_TRANSIENT158         && i++ < __retry)159    __builtin_tx_assist(i);160 161  return cc;162}163 164static __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_TRANSIENT170         && 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 181static __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_TRANSIENT187         && i++ < __retry)188    __builtin_tx_assist(i);189 190  return cc;191}192 193static __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_TRANSIENT199         && 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 */213