1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/types.h> 3 #include <linux/errno.h> 4 #include <linux/uaccess.h> 5 6 #include <asm/sfp-machine.h> 7 #include <math-emu/soft-fp.h> 8 9 int 10 mtfsfi(unsigned int crfD, unsigned int IMM) 11 { 12 u32 mask = 0xf; 13 14 if (!crfD) 15 mask = 9; 16 17 __FPU_FPSCR &= ~(mask << ((7 - crfD) << 2)); 18 __FPU_FPSCR |= (IMM & 0xf) << ((7 - crfD) << 2); 19 20 #ifdef DEBUG 21 printk("%s: %d %x: %08lx\n", __func__, crfD, IMM, __FPU_FPSCR); 22 #endif 23 24 return 0; 25 } 26