mirror of
https://gitee.com/open-loongarch/linux-5.10.git
synced 2026-10-28 22:17:12 +08:00
14 lines
224 B
C
14 lines
224 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <linux/types.h>
|
|
|
|
#include "../../../util/tsc.h"
|
|
|
|
u64 rdtsc(void)
|
|
{
|
|
unsigned int low, high;
|
|
|
|
asm volatile("rdtsc" : "=a" (low), "=d" (high));
|
|
|
|
return low | ((u64)high) << 32;
|
|
}
|