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