diff options
Diffstat (limited to 'sysdeps/loongarch/cpu-tunables.c')
-rw-r--r-- | sysdeps/loongarch/cpu-tunables.c | 89 |
1 files changed, 0 insertions, 89 deletions
diff --git a/sysdeps/loongarch/cpu-tunables.c b/sysdeps/loongarch/cpu-tunables.c deleted file mode 100644 index 8e9fab938b..0000000000 --- a/sysdeps/loongarch/cpu-tunables.c +++ /dev/null @@ -1,89 +0,0 @@ -/* LoongArch CPU feature tuning. - This file is part of the GNU C Library. - Copyright (C) 2023 Free Software Foundation, Inc. - - 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/>. */ - -# include <stdbool.h> -# include <stdint.h> -# include <unistd.h> /* Get STDOUT_FILENO for _dl_printf. */ -# include <elf/dl-tunables.h> -# include <string.h> -# include <cpu-features.h> -# include <ldsodefs.h> -# include <sys/auxv.h> - -# define HWCAP_LOONGARCH_IFUNC \ - (HWCAP_LOONGARCH_UAL | HWCAP_LOONGARCH_LSX | HWCAP_LOONGARCH_LASX) - -# define CHECK_GLIBC_IFUNC_CPU_OFF(f, name, len) \ - _Static_assert (sizeof (#name) - 1 == len, #name " != " #len); \ - if (!memcmp (f, #name, len) && \ - (GLRO (dl_hwcap) & HWCAP_LOONGARCH_##name)) \ - { \ - hwcap |= (HWCAP_LOONGARCH_##name | (~HWCAP_LOONGARCH_IFUNC)); \ - break; \ - } \ - -attribute_hidden -void -TUNABLE_CALLBACK (set_hwcaps) (tunable_val_t *valp) -{ - const char *p = valp->strval; - size_t len; - unsigned long hwcap = 0; - const char *c; - - do { - for (c = p; *c != ','; c++) - if (*c == '\0') - break; - - len = c - p; - - switch(len) - { - default: - _dl_fatal_printf ( - "The valid values of glibc.cpu.hwcaps is UAL, LASX, LSX!!\n" - ); - break; - case 3: - { - CHECK_GLIBC_IFUNC_CPU_OFF (p, LSX, 3); - CHECK_GLIBC_IFUNC_CPU_OFF (p, UAL, 3); - _dl_fatal_printf ( - "Some features are invalid or not supported on this machine!!\n" - "The valid values of glibc.cpu.hwcaps is UAL, LASX, LSX!!\n" - ); - } - break; - case 4: - { - CHECK_GLIBC_IFUNC_CPU_OFF (p, LASX, 4); - _dl_fatal_printf ( - "Some features are invalid or not supported on this machine!!\n" - "The valid values of glibc.cpu.hwcaps is UAL, LASX, LSX!!\n" - ); - } - break; - } - - p += len + 1; - } - while (*c != '\0'); - - GLRO (dl_larch_cpu_features).hwcap &= hwcap; -} |