1  /* Check for hardware capabilities after HWCAP parsing.  S390 version.
       2     Copyright (C) 2021-2023 Free Software Foundation, Inc.
       3     This file is part of the GNU C Library.
       4  
       5     The GNU C Library is free software; you can redistribute it and/or
       6     modify it under the terms of the GNU Lesser General Public
       7     License as published by the Free Software Foundation; either
       8     version 2.1 of the License, or (at your option) any later version.
       9  
      10     The GNU C Library is distributed in the hope that it will be useful,
      11     but WITHOUT ANY WARRANTY; without even the implied warranty of
      12     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      13     Lesser General Public License for more details.
      14  
      15     You should have received a copy of the GNU Lesser General Public
      16     License along with the GNU C Library; if not, see
      17     <https://www.gnu.org/licenses/>.  */
      18  
      19  #ifndef _DL_HWCAP_CHECK_H
      20  #define _DL_HWCAP_CHECK_H
      21  
      22  #include <gcc-macros.h>
      23  #include <ldsodefs.h>
      24  
      25  static inline void
      26  dl_hwcap_check (void)
      27  {
      28  #if defined __ARCH__
      29  # if GCCMACRO__ARCH__ >= 14
      30    if (!(GLRO(dl_hwcap) & HWCAP_S390_VXRS_PDE2))
      31      _dl_fatal_printf ("\
      32  Fatal glibc error: CPU lacks VXRS_PDE2 support (z16 or later required)\n");
      33  # elif GCCMACRO__ARCH__ >= 13
      34    if (!(GLRO(dl_hwcap) & HWCAP_S390_VXRS_EXT2))
      35      _dl_fatal_printf ("\
      36  Fatal glibc error: CPU lacks VXRS_EXT2 support (z15 or later required)\n");
      37  # elif GCCMACRO__ARCH__ >= 12
      38    if (!(GLRO(dl_hwcap) & HWCAP_S390_VXE))
      39      _dl_fatal_printf ("\
      40  Fatal glibc error: CPU lacks VXE support (z14 or later required)\n");
      41  # endif
      42  #endif /* __ARCH__ */
      43  }
      44  
      45  #endif /* _DL_HWCAP_CHECK_H */