133 lines
3.3 KiB
C
133 lines
3.3 KiB
C
/* Linux/i386 version of processor capability information handling macros.
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Copyright (C) 1998, 1999, 2000, 2001 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 Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the 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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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#ifndef _DL_PROCINFO_H
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#define _DL_PROCINFO_H 1
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#include <ldsodefs.h>
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/* If anything should be added here check whether the size of each string
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is still ok with the given array size. */
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extern const char _dl_x86_cap_flags[][7];
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#define _DL_HWCAP_COUNT 32
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extern const char _dl_x86_platforms[][5];
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#define _DL_PLATFORMS_COUNT 4
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/* Start at 48 to reserve some space. */
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#define _DL_FIRST_PLATFORM 48
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/* Mask to filter out platforms. */
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#define _DL_HWCAP_PLATFORM (7ULL << _DL_FIRST_PLATFORM)
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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_printf ("AT_HWCAP: ");
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for (i = 0; i < _DL_HWCAP_COUNT; ++i)
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if (word & (1 << i))
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_dl_printf (" %s", _dl_x86_cap_flags[i]);
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_dl_printf ("\n");
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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 _dl_x86_cap_flags[idx];
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};
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static inline const char *
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__attribute__ ((unused))
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_dl_platform_string (int idx)
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{
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return _dl_x86_platforms [idx - _DL_FIRST_PLATFORM];
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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_XMM = 1 << 25,
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HWCAP_I386_XMM2 = 1 << 26,
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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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static inline int
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__attribute__ ((unused))
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_dl_string_hwcap (const char *str)
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{
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int i;
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for (i = 0; i < _DL_HWCAP_COUNT; i++)
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{
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if (strcmp (str, _dl_x86_cap_flags[i]) == 0)
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return i;
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}
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return -1;
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};
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static inline int
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__attribute__ ((unused))
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_dl_string_platform (const char *str)
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{
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int i;
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if (str != NULL)
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for (i = 0; i < _DL_PLATFORMS_COUNT; ++i)
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{
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if (strcmp (str, _dl_x86_platforms[i]) == 0)
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return _DL_FIRST_PLATFORM + i;
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}
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return -1;
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};
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#endif /* dl-procinfo.h */
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