| /* s390 version of processor capability information handling macros. |
| Copyright (C) 2006-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| Contributed by Martin Schwidefsky <schwidefsky@de.ibm.com>, 2006. |
| |
| 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #ifndef _DL_PROCINFO_H |
| #define _DL_PROCINFO_H 1 |
| #include <ldsodefs.h> |
| |
| #define _DL_HWCAP_COUNT 15 |
| |
| #define _DL_PLATFORMS_COUNT 9 |
| |
| /* The kernel provides up to 32 capability bits with elf_hwcap. */ |
| #define _DL_FIRST_PLATFORM 32 |
| /* Mask to filter out platforms. */ |
| #define _DL_HWCAP_PLATFORM (((1ULL << _DL_PLATFORMS_COUNT) - 1) \ |
| << _DL_FIRST_PLATFORM) |
| |
| /* Hardware capability bit numbers are derived directly from the |
| facility indications as stored by the "store facility list" (STFL) |
| instruction. |
| highgprs is an alien in that list. It describes a *kernel* |
| capability. */ |
| |
| enum |
| { |
| HWCAP_S390_ESAN3 = 1 << 0, |
| HWCAP_S390_ZARCH = 1 << 1, |
| HWCAP_S390_STFLE = 1 << 2, |
| HWCAP_S390_MSA = 1 << 3, |
| HWCAP_S390_LDISP = 1 << 4, |
| HWCAP_S390_EIMM = 1 << 5, |
| HWCAP_S390_DFP = 1 << 6, |
| HWCAP_S390_HPAGE = 1 << 7, |
| HWCAP_S390_ETF3EH = 1 << 8, |
| HWCAP_S390_HIGH_GPRS = 1 << 9, |
| HWCAP_S390_TE = 1 << 10, |
| HWCAP_S390_VX = 1 << 11, |
| HWCAP_S390_VXD = 1 << 12, |
| HWCAP_S390_VXE = 1 << 13, |
| HWCAP_S390_GS = 1 << 14, |
| }; |
| |
| #define HWCAP_IMPORTANT (HWCAP_S390_ZARCH | HWCAP_S390_LDISP \ |
| | HWCAP_S390_EIMM | HWCAP_S390_DFP) |
| |
| /* We cannot provide a general printing function. */ |
| #define _dl_procinfo(type, word) -1 |
| |
| static inline const char * |
| __attribute__ ((unused)) |
| _dl_hwcap_string (int idx) |
| { |
| return GLRO(dl_s390_cap_flags)[idx]; |
| }; |
| |
| static inline int |
| __attribute__ ((unused, always_inline)) |
| _dl_string_hwcap (const char *str) |
| { |
| int i; |
| |
| for (i = 0; i < _DL_HWCAP_COUNT; i++) |
| { |
| if (strcmp (str, GLRO(dl_s390_cap_flags)[i]) == 0) |
| return i; |
| } |
| return -1; |
| }; |
| |
| static inline int |
| __attribute__ ((unused, always_inline)) |
| _dl_string_platform (const char *str) |
| { |
| int i; |
| |
| if (str != NULL) |
| for (i = 0; i < _DL_PLATFORMS_COUNT; ++i) |
| { |
| if (strcmp (str, GLRO(dl_s390_platforms)[i]) == 0) |
| return _DL_FIRST_PLATFORM + i; |
| } |
| return -1; |
| }; |
| |
| #endif /* dl-procinfo.h */ |