| /* Linux/i386 version of processor capability information handling macros. |
| Copyright (C) 1998, 1999, 2000, 2001 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, 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 |
| |
| #include <ldsodefs.h> |
| |
| /* If anything should be added here check whether the size of each string |
| is still ok with the given array size. */ |
| extern const char _dl_x86_cap_flags[][7]; |
| #define _DL_HWCAP_COUNT 32 |
| |
| extern const char _dl_x86_platforms[][5]; |
| #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 (7ULL << _DL_FIRST_PLATFORM) |
| |
| |
| 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_printf ("AT_HWCAP: "); |
| |
| for (i = 0; i < _DL_HWCAP_COUNT; ++i) |
| if (word & (1 << i)) |
| _dl_printf (" %s", _dl_x86_cap_flags[i]); |
| |
| _dl_printf ("\n"); |
| |
| return 0; |
| } |
| |
| static inline const char * |
| __attribute__ ((unused)) |
| _dl_hwcap_string (int idx) |
| { |
| return _dl_x86_cap_flags[idx]; |
| }; |
| |
| static inline const char * |
| __attribute__ ((unused)) |
| _dl_platform_string (int idx) |
| { |
| return _dl_x86_platforms [idx - _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_MMX) |
| |
| }; |
| |
| static inline int |
| __attribute__ ((unused)) |
| _dl_string_hwcap (const char *str) |
| { |
| int i; |
| |
| for (i = 0; i < _DL_HWCAP_COUNT; i++) |
| { |
| if (strcmp (str, _dl_x86_cap_flags[i]) == 0) |
| return i; |
| } |
| return -1; |
| }; |
| |
| |
| static inline int |
| __attribute__ ((unused)) |
| _dl_string_platform (const char *str) |
| { |
| int i; |
| |
| if (str != NULL) |
| for (i = 0; i < _DL_PLATFORMS_COUNT; ++i) |
| { |
| if (strcmp (str, _dl_x86_platforms[i]) == 0) |
| return _DL_FIRST_PLATFORM + i; |
| } |
| return -1; |
| }; |
| |
| #endif /* dl-procinfo.h */ |