1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun #include <linux/types.h>
3*4882a593Smuzhiyun #include <linux/errno.h>
4*4882a593Smuzhiyun #include <linux/uaccess.h>
5*4882a593Smuzhiyun
6*4882a593Smuzhiyun #include <asm/sfp-machine.h>
7*4882a593Smuzhiyun #include <math-emu/soft-fp.h>
8*4882a593Smuzhiyun #include <math-emu/double.h>
9*4882a593Smuzhiyun #include <math-emu/single.h>
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun int
fmuls(void * frD,void * frA,void * frB)12*4882a593Smuzhiyun fmuls(void *frD, void *frA, void *frB)
13*4882a593Smuzhiyun {
14*4882a593Smuzhiyun FP_DECL_D(A);
15*4882a593Smuzhiyun FP_DECL_D(B);
16*4882a593Smuzhiyun FP_DECL_D(R);
17*4882a593Smuzhiyun FP_DECL_EX;
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun #ifdef DEBUG
20*4882a593Smuzhiyun printk("%s: %p %p %p\n", __func__, frD, frA, frB);
21*4882a593Smuzhiyun #endif
22*4882a593Smuzhiyun
23*4882a593Smuzhiyun FP_UNPACK_DP(A, frA);
24*4882a593Smuzhiyun FP_UNPACK_DP(B, frB);
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun #ifdef DEBUG
27*4882a593Smuzhiyun printk("A: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n",
28*4882a593Smuzhiyun A_s, A_f1, A_f0, A_e, A_c, A_f1, A_f0, A_e + 1023);
29*4882a593Smuzhiyun printk("B: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n",
30*4882a593Smuzhiyun B_s, B_f1, B_f0, B_e, B_c, B_f1, B_f0, B_e + 1023);
31*4882a593Smuzhiyun #endif
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun if ((A_c == FP_CLS_INF && B_c == FP_CLS_ZERO) ||
34*4882a593Smuzhiyun (A_c == FP_CLS_ZERO && B_c == FP_CLS_INF))
35*4882a593Smuzhiyun FP_SET_EXCEPTION(EFLAG_VXIMZ);
36*4882a593Smuzhiyun
37*4882a593Smuzhiyun FP_MUL_D(R, A, B);
38*4882a593Smuzhiyun
39*4882a593Smuzhiyun #ifdef DEBUG
40*4882a593Smuzhiyun printk("D: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n",
41*4882a593Smuzhiyun R_s, R_f1, R_f0, R_e, R_c, R_f1, R_f0, R_e + 1023);
42*4882a593Smuzhiyun #endif
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun __FP_PACK_DS(frD, R);
45*4882a593Smuzhiyun
46*4882a593Smuzhiyun return FP_CUR_EXCEPTIONS;
47*4882a593Smuzhiyun }
48