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// SPDX-License-Identifier: GPL-2.0
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/uaccess.h>
#include <asm/sfp-machine.h>
#include <math-emu/soft-fp.h>
int
mcrfs(u32 *ccr, u32 crfD, u32 crfS)
{
u32 value, clear;
#ifdef DEBUG
printk("%s: %p (%08x) %d %d\n", __func__, ccr, *ccr, crfD, crfS);
#endif
clear = 15 << ((7 - crfS) << 2);
if (!crfS)
clear = 0x90000000;
value = (__FPU_FPSCR >> ((7 - crfS) << 2)) & 15;
__FPU_FPSCR &= ~(clear);
*ccr &= ~(15 << ((7 - crfD) << 2));
*ccr |= (value << ((7 - crfD) << 2));
#ifdef DEBUG
printk("CR: %08x\n", __func__, *ccr);
#endif
return 0;
}
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