#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; | |
} |