1*4882a593Smuzhiyun // SPDX-License-Identifier: GPL-2.0 2*4882a593Smuzhiyun // Copyright (C) 2005-2019 Andes Technology Corporation 3*4882a593Smuzhiyun #include <linux/uaccess.h> 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #include <asm/sfp-machine.h> 6*4882a593Smuzhiyun #include <math-emu/soft-fp.h> 7*4882a593Smuzhiyun #include <math-emu/single.h> 8*4882a593Smuzhiyun fs2si(void * ft,void * fa)9*4882a593Smuzhiyunvoid fs2si(void *ft, void *fa) 10*4882a593Smuzhiyun { 11*4882a593Smuzhiyun int r; 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun FP_DECL_S(A); 14*4882a593Smuzhiyun FP_DECL_EX; 15*4882a593Smuzhiyun 16*4882a593Smuzhiyun FP_UNPACK_SP(A, fa); 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun if (A_c == FP_CLS_INF) { 19*4882a593Smuzhiyun *(int *)ft = (A_s == 0) ? 0x7fffffff : 0x80000000; 20*4882a593Smuzhiyun __FPU_FPCSR |= FP_EX_INVALID; 21*4882a593Smuzhiyun } else if (A_c == FP_CLS_NAN) { 22*4882a593Smuzhiyun *(int *)ft = 0xffffffff; 23*4882a593Smuzhiyun __FPU_FPCSR |= FP_EX_INVALID; 24*4882a593Smuzhiyun } else { 25*4882a593Smuzhiyun FP_TO_INT_ROUND_S(r, A, 32, 1); 26*4882a593Smuzhiyun __FPU_FPCSR |= FP_CUR_EXCEPTIONS; 27*4882a593Smuzhiyun *(int *)ft = r; 28*4882a593Smuzhiyun } 29*4882a593Smuzhiyun } 30