mirror of https://gitee.com/openkylin/linux.git
30 lines
517 B
C
30 lines
517 B
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef __ASM_CURRENT_H
|
|
#define __ASM_CURRENT_H
|
|
|
|
#include <linux/compiler.h>
|
|
|
|
#ifndef __ASSEMBLY__
|
|
|
|
struct task_struct;
|
|
|
|
/*
|
|
* We don't use read_sysreg() as we want the compiler to cache the value where
|
|
* possible.
|
|
*/
|
|
static __always_inline struct task_struct *get_current(void)
|
|
{
|
|
unsigned long sp_el0;
|
|
|
|
asm ("mrs %0, sp_el0" : "=r" (sp_el0));
|
|
|
|
return (struct task_struct *)sp_el0;
|
|
}
|
|
|
|
#define current get_current()
|
|
|
|
#endif /* __ASSEMBLY__ */
|
|
|
|
#endif /* __ASM_CURRENT_H */
|
|
|