18c2ecf20Sopenharmony_ci// SPDX-License-Identifier: GPL-2.0 28c2ecf20Sopenharmony_ci// Copyright (C) 2005-2019 Andes Technology Corporation 38c2ecf20Sopenharmony_ci#include <linux/uaccess.h> 48c2ecf20Sopenharmony_ci 58c2ecf20Sopenharmony_ci#include <asm/sfp-machine.h> 68c2ecf20Sopenharmony_ci#include <math-emu/soft-fp.h> 78c2ecf20Sopenharmony_ci#include <math-emu/single.h> 88c2ecf20Sopenharmony_ci 98c2ecf20Sopenharmony_civoid fs2si_z(void *ft, void *fa) 108c2ecf20Sopenharmony_ci{ 118c2ecf20Sopenharmony_ci int r; 128c2ecf20Sopenharmony_ci 138c2ecf20Sopenharmony_ci FP_DECL_S(A); 148c2ecf20Sopenharmony_ci FP_DECL_EX; 158c2ecf20Sopenharmony_ci 168c2ecf20Sopenharmony_ci FP_UNPACK_SP(A, fa); 178c2ecf20Sopenharmony_ci 188c2ecf20Sopenharmony_ci if (A_c == FP_CLS_INF) { 198c2ecf20Sopenharmony_ci *(int *)ft = (A_s == 0) ? 0x7fffffff : 0x80000000; 208c2ecf20Sopenharmony_ci __FPU_FPCSR |= FP_EX_INVALID; 218c2ecf20Sopenharmony_ci } else if (A_c == FP_CLS_NAN) { 228c2ecf20Sopenharmony_ci *(int *)ft = 0xffffffff; 238c2ecf20Sopenharmony_ci __FPU_FPCSR |= FP_EX_INVALID; 248c2ecf20Sopenharmony_ci } else { 258c2ecf20Sopenharmony_ci FP_TO_INT_S(r, A, 32, 1); 268c2ecf20Sopenharmony_ci __FPU_FPCSR |= FP_CUR_EXCEPTIONS; 278c2ecf20Sopenharmony_ci *(int *)ft = r; 288c2ecf20Sopenharmony_ci } 298c2ecf20Sopenharmony_ci} 30