2 * Contains CPU feature definitions
4 * Copyright (C) 2015 ARM Ltd.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
15 * You should have received a copy of the GNU General Public License
16 * along with this program. If not, see <http://www.gnu.org/licenses/>.
19 #define pr_fmt(fmt) "alternatives: " fmt
21 #include <linux/types.h>
23 #include <asm/cpufeature.h>
25 static const struct arm64_cpu_capabilities arm64_features[] = {
29 void check_cpu_capabilities(const struct arm64_cpu_capabilities *caps,
34 for (i = 0; caps[i].desc; i++) {
35 if (!caps[i].matches(&caps[i]))
38 if (!cpus_have_cap(caps[i].capability))
39 pr_info("%s %s\n", info, caps[i].desc);
40 cpus_set_cap(caps[i].capability);
44 void check_local_cpu_features(void)
46 check_cpu_capabilities(arm64_features, "detected feature");