15cd27208SKumar Gala #include <linux/types.h> 25cd27208SKumar Gala #include <linux/errno.h> 35cd27208SKumar Gala #include <asm/uaccess.h> 45cd27208SKumar Gala 55cd27208SKumar Gala #include "soft-fp.h" 65cd27208SKumar Gala #include "double.h" 75cd27208SKumar Gala 85cd27208SKumar Gala int 95cd27208SKumar Gala fdiv(void *frD, void *frA, void *frB) 105cd27208SKumar Gala { 115cd27208SKumar Gala FP_DECL_D(A); 125cd27208SKumar Gala FP_DECL_D(B); 135cd27208SKumar Gala FP_DECL_D(R); 145cd27208SKumar Gala int ret = 0; 155cd27208SKumar Gala 165cd27208SKumar Gala #ifdef DEBUG 175cd27208SKumar Gala printk("%s: %p %p %p\n", __FUNCTION__, frD, frA, frB); 185cd27208SKumar Gala #endif 195cd27208SKumar Gala 205cd27208SKumar Gala __FP_UNPACK_D(A, frA); 215cd27208SKumar Gala __FP_UNPACK_D(B, frB); 225cd27208SKumar Gala 235cd27208SKumar Gala #ifdef DEBUG 245cd27208SKumar Gala printk("A: %ld %lu %lu %ld (%ld)\n", A_s, A_f1, A_f0, A_e, A_c); 255cd27208SKumar Gala printk("B: %ld %lu %lu %ld (%ld)\n", B_s, B_f1, B_f0, B_e, B_c); 265cd27208SKumar Gala #endif 275cd27208SKumar Gala 285cd27208SKumar Gala if (A_c == FP_CLS_ZERO && B_c == FP_CLS_ZERO) { 295cd27208SKumar Gala ret |= EFLAG_VXZDZ; 305cd27208SKumar Gala #ifdef DEBUG 315cd27208SKumar Gala printk("%s: FPSCR_VXZDZ raised\n", __FUNCTION__); 325cd27208SKumar Gala #endif 335cd27208SKumar Gala } 345cd27208SKumar Gala if (A_c == FP_CLS_INF && B_c == FP_CLS_INF) { 355cd27208SKumar Gala ret |= EFLAG_VXIDI; 365cd27208SKumar Gala #ifdef DEBUG 375cd27208SKumar Gala printk("%s: FPSCR_VXIDI raised\n", __FUNCTION__); 385cd27208SKumar Gala #endif 395cd27208SKumar Gala } 405cd27208SKumar Gala 415cd27208SKumar Gala if (B_c == FP_CLS_ZERO && A_c != FP_CLS_ZERO) { 425cd27208SKumar Gala ret |= EFLAG_DIVZERO; 435cd27208SKumar Gala if (__FPU_TRAP_P(EFLAG_DIVZERO)) 445cd27208SKumar Gala return ret; 455cd27208SKumar Gala } 465cd27208SKumar Gala FP_DIV_D(R, A, B); 475cd27208SKumar Gala 485cd27208SKumar Gala #ifdef DEBUG 495cd27208SKumar Gala printk("D: %ld %lu %lu %ld (%ld)\n", R_s, R_f1, R_f0, R_e, R_c); 505cd27208SKumar Gala #endif 515cd27208SKumar Gala 525cd27208SKumar Gala return (ret | __FP_PACK_D(frD, R)); 535cd27208SKumar Gala } 54