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#include <math-emu/double.h>
9
10int
11fctiwz(u32 *frD, void *frB)
12{
13	FP_DECL_D(B);
14	FP_DECL_EX;
15	u32 fpscr;
16	unsigned int r;
17
18	fpscr = __FPU_FPSCR;
19	__FPU_FPSCR &= ~(3);
20	__FPU_FPSCR |= FP_RND_ZERO;
21
22	FP_UNPACK_DP(B, frB);
23	FP_TO_INT_D(r, B, 32, 1);
24	frD[1] = r;
25
26	__FPU_FPSCR = fpscr;
27
28#ifdef DEBUG
29	printk("%s: D %p, B %p: ", __func__, frD, frB);
30	dump_double(frD);
31	printk("\n");
32#endif
33
34	return 0;
35}
36