tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1#ifndef _ASM_X86_SYSTEM_64_H
2#define _ASM_X86_SYSTEM_64_H
3
4#include <asm/segment.h>
5#include <asm/cmpxchg.h>
6
7
8static inline unsigned long read_cr8(void)
9{
10 unsigned long cr8;
11 asm volatile("movq %%cr8,%0" : "=r" (cr8));
12 return cr8;
13}
14
15static inline void write_cr8(unsigned long val)
16{
17 asm volatile("movq %0,%%cr8" :: "r" (val) : "memory");
18}
19
20#include <linux/irqflags.h>
21
22#endif /* _ASM_X86_SYSTEM_64_H */