Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) // Copyright (C) 2005-2019 Andes Technology Corporation
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #include <linux/uaccess.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) #include <asm/sfp-machine.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6) #include <math-emu/soft-fp.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7) #include <math-emu/single.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9) void fs2ui(void *ft, void *fa)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 	unsigned int r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) 	FP_DECL_S(A);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) 	FP_DECL_EX;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) 	FP_UNPACK_SP(A, fa);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) 	if (A_c == FP_CLS_INF) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 		*(unsigned int *)ft = (A_s == 0) ? 0xffffffff : 0x00000000;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) 		__FPU_FPCSR |= FP_EX_INVALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) 	} else if (A_c == FP_CLS_NAN) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 		*(unsigned int *)ft = 0xffffffff;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 		__FPU_FPCSR |= FP_EX_INVALID;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 	} else {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 		FP_TO_INT_ROUND_S(r, A, 32, 0);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 		__FPU_FPCSR |= FP_CUR_EXCEPTIONS;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 		*(unsigned int *)ft = r;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) }