1  /* GNU compiler hardware transactional execution intrinsics
       2     Copyright (C) 2013-2023 Free Software Foundation, Inc.
       3     Contributed by Andreas Krebbel (Andreas.Krebbel@de.ibm.com)
       4  
       5  This file is part of GCC.
       6  
       7  GCC is free software; you can redistribute it and/or modify it under
       8  the terms of the GNU General Public License as published by the Free
       9  Software Foundation; either version 3, or (at your option) any later
      10  version.
      11  
      12  GCC is distributed in the hope that it will be useful, but WITHOUT ANY
      13  WARRANTY; without even the implied warranty of MERCHANTABILITY or
      14  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
      15  for more details.
      16  
      17  You should have received a copy of the GNU General Public License
      18  along with GCC; see the file COPYING3.  If not see
      19  <http://www.gnu.org/licenses/>.  */
      20  
      21  #ifndef _HTMINTRIN_H
      22  #define _HTMINTRIN_H
      23  
      24  
      25  /* Condition codes generated by tbegin  */
      26  #define _HTM_TBEGIN_STARTED       0
      27  #define _HTM_TBEGIN_INDETERMINATE 1
      28  #define _HTM_TBEGIN_TRANSIENT     2
      29  #define _HTM_TBEGIN_PERSISTENT    3
      30  
      31  /* The abort codes below this threshold are reserved for machine
      32     use.  */
      33  #define _HTM_FIRST_USER_ABORT_CODE 256
      34  
      35  /* The transaction diagnostic block is it is defined in the Principles
      36     of Operation chapter 5-91.  */
      37  
      38  struct __htm_tdb {
      39    unsigned char format;                /*   0 */
      40    unsigned char flags;
      41    unsigned char reserved1[4];
      42    unsigned short nesting_depth;
      43    unsigned long long abort_code;       /*   8 */
      44    unsigned long long conflict_token;   /*  16 */
      45    unsigned long long atia;             /*  24 */
      46    unsigned char eaid;                  /*  32 */
      47    unsigned char dxc;
      48    unsigned char reserved2[2];
      49    unsigned int program_int_id;
      50    unsigned long long exception_id;     /*  40 */
      51    unsigned long long bea;              /*  48 */
      52    unsigned char reserved3[72];         /*  56 */
      53    unsigned long long gprs[16];         /* 128 */
      54  } __attribute__((__packed__, __aligned__ (8)));
      55  
      56  
      57  #endif /* _HTMINTRIN_H */