1 /* Check for hardware capabilities after HWCAP parsing.  S390 version.
2    Copyright (C) 2021 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 <ldsodefs.h>
23 
24 static inline void
dl_hwcap_check(void)25 dl_hwcap_check (void)
26 {
27 #if defined __ARCH__
28 # if __ARCH__ >= 13
29   if (!(GLRO(dl_hwcap) & HWCAP_S390_VXRS_EXT2))
30     _dl_fatal_printf ("\
31 Fatal glibc error: CPU lacks VXRS_EXT2 support (z15 or later required)\n");
32 # elif __ARCH__ >= 12
33   if (!(GLRO(dl_hwcap) & HWCAP_S390_VXE))
34     _dl_fatal_printf ("\
35 Fatal glibc error: CPU lacks VXE support (z14 or later required)\n");
36 # endif
37 #endif /* __ARCH__ */
38 }
39 
40 #endif /* _DL_HWCAP_CHECK_H */
41