glibc/sysdeps/unix/sysv/linux/i386/dl-procinfo.h
Ulrich Drepper e8e0bee5dd Update.
1998-03-30  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/dl-sysdep.c (_dl_important_hwcaps): New
	function.

	* sysdeps/generic/dl-procinfo.h (HWCAP_IMPORTANT): New definition.

	* sysdeps/unix/sysv/linux/i386/dl-procinfo.h (_dl_hwcap_string):
	New function.
	(HWCAP_IMPORTANT): New definition.

1998-03-30 17:26  H.J. Lu  <hjl@gnu.org>

	* elf/dl-open.c (_dl_open): Fix a typo.
	(_dl_global_scope_alloc): Make it static.

	* nss/getXXent_r.c (REENTRANT_GETNAME): Avoid endless loop.
1998-03-30 18:45:41 +00:00

85 lines
2.5 KiB
C

/* Linux/i386 version of processor capability information handling macros.
Copyright (C) 1998 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 Library General Public License as
published by the Free Software Foundation; either version 2 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with the GNU C Library; see the file COPYING.LIB. 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
static const char *x86_cap_flags[] =
{
"fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce",
"cx8", "apic", "10", "sep", "mtrr", "pge", "mca", "cmov",
"fcmov", "17", "18", "19", "20", "21", "22", "mmx",
"osfxsr", "25", "26", "27", "28", "29", "30", "amd3d"
};
static inline int
__attribute__ ((unused))
_dl_procinfo (int word)
{
/* This table should match the information from arch/i386/kernel/setup.c
in the kernel sources. */
int i;
_dl_sysdep_message ("AT_HWCAP: ", NULL);
for (i = 0; i < 32; ++i)
if (word & (1 << i))
_dl_sysdep_message (" ", x86_cap_flags[i], NULL);
_dl_sysdep_message ("\n", NULL);
return 0;
}
static inline const char *
__attribute__ ((unused))
_dl_hwcap_string (int idx)
{
return x86_cap_flags[idx];
};
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_AMD3D = 1 << 31,
/* XXX Which others to add here? */
HWCAP_IMPORTANT = (HWCAP_I386_MMX)
};
#endif /* dl-procinfo.h */