]>
Commit | Line | Data |
---|---|---|
efbbd9c3 L |
1 | /* Support for reading ISA level in /etc/ld.so.cache files written by |
2 | Linux ldconfig. x86 version. | |
581c785b | 3 | Copyright (C) 2021-2022 Free Software Foundation, Inc. |
efbbd9c3 L |
4 | This file is part of the GNU C Library. |
5 | ||
6 | The GNU C Library is free software; you can redistribute it and/or | |
7 | modify it under the terms of the GNU Lesser General Public | |
8 | License as published by the Free Software Foundation; either | |
9 | version 2.1 of the License, or (at your option) any later version. | |
10 | ||
11 | The GNU C Library is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public | |
17 | License along with the GNU C Library; if not, see | |
18 | <https://www.gnu.org/licenses/>. */ | |
19 | ||
20 | #include <sys/platform/x86.h> | |
21 | ||
22 | /* Return true if the ISA level in ENTRY is compatible with CPU. */ | |
23 | static inline bool | |
24 | dl_cache_hwcap_isa_level_compatible (struct file_entry_new *entry) | |
25 | { | |
26 | const struct cpu_features *cpu_features = __get_cpu_features (); | |
27 | unsigned int isa_level | |
28 | = 1 << ((entry->hwcap >> 32) & DL_CACHE_HWCAP_ISA_LEVEL_MASK); | |
29 | ||
30 | return (isa_level & cpu_features->isa_1) == isa_level; | |
31 | } |