fpumacro.h

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/* fpumacro.h: FPU related macros.
 *
 * Copyright (C) 1997 Jakub Jelinek ([email protected])
 * Copyright (C) 1997 David S. Miller ([email protected])
 */

#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 *)(current_thread_info()->fpregs)

static inline unsigned long fprs_read(void)
{
    unsigned long retval;

    __asm__ __volatile__("rd %%fprs, %0" : "=r" (retval));

    return retval;
}

static inline void fprs_write(unsigned long val)
{
    __asm__ __volatile__("wr %0, 0x0, %%fprs" : : "r" (val));
}

#endif /* !(_SPARC64_FPUMACRO_H) */