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

46 lines
1.6 KiB
C

/* Check for hardware capabilities after HWCAP parsing. S390 version.
Copyright (C) 2021-2024 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<https://www.gnu.org/licenses/>. */
#ifndef _DL_HWCAP_CHECK_H
#define _DL_HWCAP_CHECK_H
#include <gcc-macros.h>
#include <ldsodefs.h>
static inline void
dl_hwcap_check (void)
{
#if defined __ARCH__
# if GCCMACRO__ARCH__ >= 14
if (!(GLRO(dl_hwcap) & HWCAP_S390_VXRS_PDE2))
_dl_fatal_printf ("\
Fatal glibc error: CPU lacks VXRS_PDE2 support (z16 or later required)\n");
# elif GCCMACRO__ARCH__ >= 13
if (!(GLRO(dl_hwcap) & HWCAP_S390_VXRS_EXT2))
_dl_fatal_printf ("\
Fatal glibc error: CPU lacks VXRS_EXT2 support (z15 or later required)\n");
# elif GCCMACRO__ARCH__ >= 12
if (!(GLRO(dl_hwcap) & HWCAP_S390_VXE))
_dl_fatal_printf ("\
Fatal glibc error: CPU lacks VXE support (z14 or later required)\n");
# endif
#endif /* __ARCH__ */
}
#endif /* _DL_HWCAP_CHECK_H */