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