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kernel add
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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 *)(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) */
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