diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/aarch64/cpu-features.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/aarch64/cpu-features.c | 37 |
1 files changed, 0 insertions, 37 deletions
diff --git a/sysdeps/unix/sysv/linux/aarch64/cpu-features.c b/sysdeps/unix/sysv/linux/aarch64/cpu-features.c deleted file mode 100644 index ef6eecd17e..0000000000 --- a/sysdeps/unix/sysv/linux/aarch64/cpu-features.c +++ /dev/null @@ -1,37 +0,0 @@ -/* Initialize CPU feature data. AArch64 version. - This file is part of the GNU C Library. - Copyright (C) 2017 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 <cpu-features.h> -#include <sys/auxv.h> -#include <elf/dl-hwcaps.h> - -static inline void -init_cpu_features (struct cpu_features *cpu_features) -{ - uint64_t hwcap_mask = GET_HWCAP_MASK(); - uint64_t hwcap = GLRO (dl_hwcap) & hwcap_mask; - - if (hwcap & HWCAP_CPUID) - { - register uint64_t id = 0; - asm volatile ("mrs %0, midr_el1" : "=r"(id)); - cpu_features->midr_el1 = id; - } - else - cpu_features->midr_el1 = 0; -} |