1#include <linux/types.h>
2#include <linux/errno.h>
3#include <asm/uaccess.h>
4
5#include "soft-fp.h"
6
7int
8mcrfs(u32 *ccr, u32 crfD, u32 crfS)
9{
10	u32 value, clear;
11
12#ifdef DEBUG
13	printk("%s: %p (%08x) %d %d\n", __FUNCTION__, ccr, *ccr, crfD, crfS);
14#endif
15
16	clear = 15 << ((7 - crfS) << 2);
17	if (!crfS)
18		clear = 0x90000000;
19
20	value = (__FPU_FPSCR >> ((7 - crfS) << 2)) & 15;
21	__FPU_FPSCR &= ~(clear);
22
23	*ccr &= ~(15 << ((7 - crfD) << 2));
24	*ccr |= (value << ((7 - crfD) << 2));
25
26#ifdef DEBUG
27	printk("CR: %08x\n", __FUNCTION__, *ccr);
28#endif
29
30	return 0;
31}
32