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/* fpumacro.h: FPU related macros.
 *
 * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
 * Copyright (C) 1997 David S. Miller (davem@caip.rutgers.edu)
 */
 
#ifndef _SPARC64_FPUMACRO_H
#define _SPARC64_FPUMACRO_H
 
#include <asm/asi.h>
#include <asm/visasm.h>
 
struct fpustate {
	u32	regs[64];
};
 
#define FPUSTATE (struct fpustate *)(((unsigned long)current) + AOFF_task_fpregs)
 
extern __inline__ unsigned long fprs_read(void)
{
	unsigned long retval;
 
	__asm__ __volatile__("rd %%fprs, %0" : "=r" (retval));
 
	return retval;
}
 
extern __inline__ void fprs_write(unsigned long val)
{
	__asm__ __volatile__("wr %0, 0x0, %%fprs" : : "r" (val));
}
 
#endif /* !(_SPARC64_FPUMACRO_H) */