mirror of
https://github.com/FEX-Emu/linux.git
synced 2024-12-28 20:37:27 +00:00
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
|
/*
|
||
|
|
* Contains CPU feature definitions
|
||
|
|
*
|
||
|
|
* Copyright (C) 2015 ARM Ltd.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*
|
||
|
|
* This program 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 General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU General Public License
|
||
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define pr_fmt(fmt) "alternatives: " fmt
|
||
|
|
|
||
|
|
#include <linux/types.h>
|
||
|
|
#include <asm/cpu.h>
|
||
|
|
#include <asm/cpufeature.h>
|
||
|
|
|
||
|
|
static const struct arm64_cpu_capabilities arm64_features[] = {
|
||
|
|
{},
|
||
|
|
};
|
||
|
|
|
||
|
|
void check_cpu_capabilities(const struct arm64_cpu_capabilities *caps,
|
||
|
|
const char *info)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
for (i = 0; caps[i].desc; i++) {
|
||
|
|
if (!caps[i].matches(&caps[i]))
|
||
|
|
continue;
|
||
|
|
|
||
|
|
if (!cpus_have_cap(caps[i].capability))
|
||
|
|
pr_info("%s %s\n", info, caps[i].desc);
|
||
|
|
cpus_set_cap(caps[i].capability);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void check_local_cpu_features(void)
|
||
|
|
{
|
||
|
|
check_cpu_capabilities(arm64_features, "detected feature");
|
||
|
|
}
|