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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.
85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/* Linux/i386 version of processor capability information handling macros.
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Copyright (C) 1998 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@cygnus.com>, 1998.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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#ifndef _DL_PROCINFO_H
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#define _DL_PROCINFO_H 1
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static const char *x86_cap_flags[] =
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{
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"fpu", "vme", "de", "pse", "tsc", "msr", "pae", "mce",
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"cx8", "apic", "10", "sep", "mtrr", "pge", "mca", "cmov",
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"fcmov", "17", "18", "19", "20", "21", "22", "mmx",
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"osfxsr", "25", "26", "27", "28", "29", "30", "amd3d"
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};
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static inline int
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__attribute__ ((unused))
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_dl_procinfo (int word)
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{
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/* This table should match the information from arch/i386/kernel/setup.c
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in the kernel sources. */
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int i;
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_dl_sysdep_message ("AT_HWCAP: ", NULL);
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for (i = 0; i < 32; ++i)
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if (word & (1 << i))
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_dl_sysdep_message (" ", x86_cap_flags[i], NULL);
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_dl_sysdep_message ("\n", NULL);
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return 0;
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}
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static inline const char *
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__attribute__ ((unused))
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_dl_hwcap_string (int idx)
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{
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return x86_cap_flags[idx];
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};
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enum
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{
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HWCAP_I386_FPU = 1 << 0,
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HWCAP_I386_VME = 1 << 1,
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HWCAP_I386_DE = 1 << 2,
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HWCAP_I386_PSE = 1 << 3,
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HWCAP_I386_TSC = 1 << 4,
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HWCAP_I386_MSR = 1 << 5,
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HWCAP_I386_PAE = 1 << 6,
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HWCAP_I386_MCE = 1 << 7,
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HWCAP_I386_CX8 = 1 << 8,
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HWCAP_I386_APIC = 1 << 9,
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HWCAP_I386_SEP = 1 << 11,
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HWCAP_I386_MTRR = 1 << 12,
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HWCAP_I386_PGE = 1 << 13,
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HWCAP_I386_MCA = 1 << 14,
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HWCAP_I386_CMOV = 1 << 15,
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HWCAP_I386_FCMOV = 1 << 16,
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HWCAP_I386_MMX = 1 << 23,
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HWCAP_I386_OSFXSR = 1 << 24,
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HWCAP_I386_AMD3D = 1 << 31,
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/* XXX Which others to add here? */
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HWCAP_IMPORTANT = (HWCAP_I386_MMX)
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};
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#endif /* dl-procinfo.h */
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