glibc/sysdeps/unix/sysv/linux/tile/cacheflush.c

35 lines
1.1 KiB
C

/* Copyright (C) 2011-2017 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Chris Metcalf <cmetcalf@tilera.com>, 2011.
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
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stddef.h>
#include <unistd.h>
/* Flush cache(s). */
int
_flush_cache (char *addr, const int nbytes, const int op)
{
#ifdef __NR_cacheflush
return INLINE_SYSCALL (cacheflush, 3, addr, nbytes, op);
#else
__set_errno (ENOSYS);
return -1;
#endif
}
weak_alias (_flush_cache, cacheflush)