1*b2441318SGreg Kroah-Hartman // SPDX-License-Identifier: GPL-2.0 25cd27208SKumar Gala #include <linux/types.h> 35cd27208SKumar Gala #include <linux/errno.h> 47c0f6ba6SLinus Torvalds #include <linux/uaccess.h> 55cd27208SKumar Gala 6d2b194edSKumar Gala #include <asm/sfp-machine.h> 7d2b194edSKumar Gala #include <math-emu/soft-fp.h> 8d2b194edSKumar Gala #include <math-emu/double.h> 9d2b194edSKumar Gala #include <math-emu/single.h> 105cd27208SKumar Gala 115cd27208SKumar Gala int 125cd27208SKumar Gala fmuls(void *frD, void *frA, void *frB) 135cd27208SKumar Gala { 145cd27208SKumar Gala FP_DECL_D(A); 155cd27208SKumar Gala FP_DECL_D(B); 165cd27208SKumar Gala FP_DECL_D(R); 17d2b194edSKumar Gala FP_DECL_EX; 185cd27208SKumar Gala 195cd27208SKumar Gala #ifdef DEBUG 20e48b1b45SHarvey Harrison printk("%s: %p %p %p\n", __func__, frD, frA, frB); 215cd27208SKumar Gala #endif 225cd27208SKumar Gala 23d2b194edSKumar Gala FP_UNPACK_DP(A, frA); 24d2b194edSKumar Gala FP_UNPACK_DP(B, frB); 255cd27208SKumar Gala 265cd27208SKumar Gala #ifdef DEBUG 275cd27208SKumar Gala printk("A: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n", 285cd27208SKumar Gala A_s, A_f1, A_f0, A_e, A_c, A_f1, A_f0, A_e + 1023); 295cd27208SKumar Gala printk("B: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n", 305cd27208SKumar Gala B_s, B_f1, B_f0, B_e, B_c, B_f1, B_f0, B_e + 1023); 315cd27208SKumar Gala #endif 325cd27208SKumar Gala 335cd27208SKumar Gala if ((A_c == FP_CLS_INF && B_c == FP_CLS_ZERO) || 345cd27208SKumar Gala (A_c == FP_CLS_ZERO && B_c == FP_CLS_INF)) 35033b8a33SLiu Yu FP_SET_EXCEPTION(EFLAG_VXIMZ); 365cd27208SKumar Gala 375cd27208SKumar Gala FP_MUL_D(R, A, B); 385cd27208SKumar Gala 395cd27208SKumar Gala #ifdef DEBUG 405cd27208SKumar Gala printk("D: %ld %lu %lu %ld (%ld) [%08lx.%08lx %lx]\n", 415cd27208SKumar Gala R_s, R_f1, R_f0, R_e, R_c, R_f1, R_f0, R_e + 1023); 425cd27208SKumar Gala #endif 435cd27208SKumar Gala 44d2b194edSKumar Gala __FP_PACK_DS(frD, R); 45d2b194edSKumar Gala 46d2b194edSKumar Gala return FP_CUR_EXCEPTIONS; 475cd27208SKumar Gala } 48