#include <linux/types.h>
  #include <linux/errno.h>
  #include <asm/uaccess.h>
  
  #include <asm/sfp-machine.h>
  #include <math-emu/soft-fp.h>
  
  int
  mtfsfi(unsigned int crfD, unsigned int IMM)
  {
  	u32 mask = 0xf;
  
  	if (!crfD)
  		mask = 9;
  
  	__FPU_FPSCR &= ~(mask << ((7 - crfD) << 2));
  	__FPU_FPSCR |= (IMM & 0xf) << ((7 - crfD) << 2);
  
  #ifdef DEBUG
  	printk("%s: %d %x: %08lx
  ", __func__, crfD, IMM, __FPU_FPSCR);
  #endif
  
  	return 0;
  }