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/* i386 version of processor capability information handling macros.
Copyright (C) 1998-2016 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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/>. */
#ifndef _DL_PROCINFO_H
#define _DL_PROCINFO_H 1
#include <ldsodefs.h>
#define _DL_HWCAP_COUNT 32
#define _DL_PLATFORMS_COUNT 4
/* Start at 48 to reserve some space. */
#define _DL_FIRST_PLATFORM 48
/* Mask to filter out platforms. */
#define _DL_HWCAP_PLATFORM (((1ULL << _DL_PLATFORMS_COUNT) - 1) \
<< _DL_FIRST_PLATFORM)
enum
{
HWCAP_I386_FPU = 1 << 0,
HWCAP_I386_VME = 1 << 1,
HWCAP_I386_DE = 1 << 2,
HWCAP_I386_PSE = 1 << 3,
HWCAP_I386_TSC = 1 << 4,
HWCAP_I386_MSR = 1 << 5,
HWCAP_I386_PAE = 1 << 6,
HWCAP_I386_MCE = 1 << 7,
HWCAP_I386_CX8 = 1 << 8,
HWCAP_I386_APIC = 1 << 9,
HWCAP_I386_SEP = 1 << 11,
HWCAP_I386_MTRR = 1 << 12,
HWCAP_I386_PGE = 1 << 13,
HWCAP_I386_MCA = 1 << 14,
HWCAP_I386_CMOV = 1 << 15,
HWCAP_I386_FCMOV = 1 << 16,
HWCAP_I386_MMX = 1 << 23,
HWCAP_I386_OSFXSR = 1 << 24,
HWCAP_I386_XMM = 1 << 25,
HWCAP_I386_XMM2 = 1 << 26,
HWCAP_I386_AMD3D = 1 << 31,
/* XXX Which others to add here? */
HWCAP_IMPORTANT = (HWCAP_I386_XMM2)
};
/* We cannot provide a general printing function. */
#define _dl_procinfo(type, word) -1
static inline const char *
__attribute__ ((unused))
_dl_hwcap_string (int idx)
{
return GLRO(dl_x86_cap_flags)[idx];
};
static inline const char *
__attribute__ ((unused))
_dl_platform_string (int idx)
{
return GLRO(dl_x86_platforms)[idx - _DL_FIRST_PLATFORM];
};
static inline int
__attribute__ ((unused, always_inline))
_dl_string_hwcap (const char *str)
{
int i;
for (i = 0; i < _DL_HWCAP_COUNT; i++)
{
if (strcmp (str, GLRO(dl_x86_cap_flags)[i]) == 0)
return i;
}
return -1;
};
static inline int
__attribute__ ((unused, always_inline))
_dl_string_platform (const char *str)
{
int i;
if (str != NULL)
for (i = 0; i < _DL_PLATFORMS_COUNT; ++i)
{
if (strcmp (str, GLRO(dl_x86_platforms)[i]) == 0)
return _DL_FIRST_PLATFORM + i;
}
return -1;
};
#endif /* dl-procinfo.h */
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