glibc/sysdeps/unix/sysv/linux/arm/dl-procinfo.h
Alexander Kanevskiy fd5fe45924 ARM: Align hwcap names and definitions with kernel, mark VFP and NEON as HWCAP_IMPORTANT.
- Align hwcap names with kernel (arch/arm/kernel/setup.c)
- Align HWCAP_ARM_* definitions with kernel
- Make VFP and NEON as HWCAP_IMPORTANT, this can help in scenarios
where VFP/NEON HW optimizations can be utilized.
2010-08-13 19:43:35 +00:00

76 lines
1.9 KiB
C

/* Linux/ARM version of processor capability information handling macros.
Copyright (C) 2001, 2002, 2004, 2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Philip Blundell <philb@gnu.org>, 2001.
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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _DL_PROCINFO_H
#define _DL_PROCINFO_H 1
#include <ldsodefs.h>
#include <sysdep.h>
#define _DL_HWCAP_COUNT 15
/* The kernel provides platform data but it is not interesting. */
#define _DL_HWCAP_PLATFORM 0
static inline int
__attribute__ ((unused))
_dl_procinfo (int word)
{
int i;
_dl_printf ("AT_HWCAP: ");
for (i = 0; i < _DL_HWCAP_COUNT; ++i)
if (word & (1 << i))
_dl_printf (" %s", GLRO(dl_arm_cap_flags)[i]);
_dl_printf ("\n");
return 0;
}
static inline const char *
__attribute__ ((unused))
_dl_hwcap_string (int idx)
{
return GLRO(dl_arm_cap_flags)[idx];
};
#define HWCAP_IMPORTANT (HWCAP_ARM_VFP | HWCAP_ARM_NEON)
static inline int
__attribute__ ((unused))
_dl_string_hwcap (const char *str)
{
int i;
for (i = 0; i < _DL_HWCAP_COUNT; i++)
{
if (strcmp (str, GLRO(dl_arm_cap_flags)[i]) == 0)
return i;
}
return -1;
};
#define _dl_string_platform(str) (-1)
#endif /* dl-procinfo.h */