1/*
2 * Contains CPU feature definitions
3 *
4 * Copyright (C) 2015 ARM Ltd.
5 *
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.
9 *
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.
14 *
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/>.
17 */
18
19#define pr_fmt(fmt) "alternatives: " fmt
20
21#include <linux/types.h>
22#include <asm/cpu.h>
23#include <asm/cpufeature.h>
24
25static const struct arm64_cpu_capabilities arm64_features[] = {
26	{},
27};
28
29void check_cpu_capabilities(const struct arm64_cpu_capabilities *caps,
30			    const char *info)
31{
32	int i;
33
34	for (i = 0; caps[i].desc; i++) {
35		if (!caps[i].matches(&caps[i]))
36			continue;
37
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);
41	}
42}
43
44void check_local_cpu_features(void)
45{
46	check_cpu_capabilities(arm64_features, "detected feature");
47}
48