glibc/sysdeps/unix/sysv/linux/i386/dl-procinfo.h

/* 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 */