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/* $Id: mtfsf.c,v 1.1 1999/08/23 19:00:19 cort Exp $
*/
#include <linux/types.h>
#include <linux/errno.h>
#include <asm/uaccess.h>
#include "soft-fp.h"
int
mtfsf(unsigned int FM, u32 *frB)
{
u32 mask;
if (FM == 0)
return 0;
if (FM == 0xff)
mask = 0x9fffffff;
else {
mask = 0;
if (FM & (1 << 0))
mask |= 0x90000000;
if (FM & (1 << 1))
mask |= 0x0f000000;
if (FM & (1 << 2))
mask |= 0x00f00000;
if (FM & (1 << 3))
mask |= 0x000f0000;
if (FM & (1 << 4))
mask |= 0x0000f000;
if (FM & (1 << 5))
mask |= 0x00000f00;
if (FM & (1 << 6))
mask |= 0x000000f0;
if (FM & (1 << 7))
mask |= 0x0000000f;
}
__FPU_FPSCR &= ~(mask);
__FPU_FPSCR |= (frB[1] & mask);
#ifdef DEBUG
printk("%s: %02x %p: %08lx\n", __FUNCTION__, FM, frB, __FPU_FPSCR);
#endif
return 0;
}
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