sysdeps/s390/s390-64/dl-hwcap-check.h

   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 */