1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/types.h>
3 #include <linux/errno.h>
4 #include <linux/uaccess.h>
6 #include <asm/sfp-machine.h>
7 #include <math-emu/soft-fp.h>
10 mcrfs(u32 *ccr, u32 crfD, u32 crfS)
15 printk("%s: %p (%08x) %d %d\n", __func__, ccr, *ccr, crfD, crfS);
18 clear = 15 << ((7 - crfS) << 2);
22 value = (__FPU_FPSCR >> ((7 - crfS) << 2)) & 15;
23 __FPU_FPSCR &= ~(clear);
25 *ccr &= ~(15 << ((7 - crfD) << 2));
26 *ccr |= (value << ((7 - crfD) << 2));
29 printk("CR: %08x\n", __func__, *ccr);