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/* hwfeatures.c - Detect hardware features.
* Copyright (C) 2007 Free Software Foundation, Inc.
*
* This file is part of Libgcrypt.
*
* Libgcrypt 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.
*
* Libgcrypt 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 this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <unistd.h>
#include "g10lib.h"
/* A bit vector describing the hardware features currently
available. */
static unsigned int hw_features;
/* Return a bit vector describing the available hardware features.
The HWF_ constants are used to test for them. */
unsigned int
_gcry_get_hw_features (void)
{
return hw_features;
}
#if defined (__i386__) && SIZEOF_UNSIGNED_LONG == 4 && defined (__GNUC__)
static void
detect_ia32_gnuc (void)
{
}
#endif /* __i386__ && SIZEOF_UNSIGNED_LONG == 4 && __GNUC__ */
/* Detect the available hardware features. This fucntion is called
once right at startup and we assume that no other threads are
running. */
void
_gcry_detect_hw_features (void)
{
#if defined (__i386__) && SIZEOF_UNSIGNED_LONG == 4
#ifdef __GNUC__
detect_ia32_gnuc ();
#endif
#elif defined (__i386__) && SIZEOF_UNSIGNED_LONG == 8
#ifdef __GNUC__
#endif
#endif
}
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