[deliverable/linux.git] / include / asm-x86 / system_64.h

#ifndef __ASM_SYSTEM_H
#define __ASM_SYSTEM_H

#include <asm/segment.h>
#include <asm/cmpxchg.h>


static inline unsigned long read_cr8(void)
{
	unsigned long cr8;
	asm volatile("movq %%cr8,%0" : "=r" (cr8));
	return cr8;
}

static inline void write_cr8(unsigned long val)
{
	asm volatile("movq %0,%%cr8" :: "r" (val) : "memory");
}

#include <linux/irqflags.h>

#endif
Commit	Line	Data
1da177e4 LT	1	#ifndef __ASM_SYSTEM_H
	2	#define __ASM_SYSTEM_H
	3
1da177e4	4	#include <asm/segment.h>
a436ed9c	5	#include <asm/cmpxchg.h>
1da177e4	6
1da177e4	7
d3ca901f GOC	8	static inline unsigned long read_cr8(void)
	9	{
	10	unsigned long cr8;
	11	asm volatile("movq %%cr8,%0" : "=r" (cr8));
	12	return cr8;
	13	}
	14
	15	static inline void write_cr8(unsigned long val)
	16	{
	17	asm volatile("movq %0,%%cr8" :: "r" (val) : "memory");
	18	}
	19
2601e64d	20	#include <linux/irqflags.h>
2ddb55f0	21
1da177e4	22	#endif