1/* SPDX-License-Identifier: GPL-2.0 */ 2/* NGcopy_from_user.S: Niagara optimized copy from userspace. 3 * 4 * Copyright (C) 2006, 2007 David S. Miller (davem@davemloft.net) 5 */ 6 7#define EX_LD(x,y) \ 898: x; \ 9 .section __ex_table,"a";\ 10 .align 4; \ 11 .word 98b, y; \ 12 .text; \ 13 .align 4; 14 15#ifndef ASI_AIUS 16#define ASI_AIUS 0x11 17#endif 18 19#define FUNC_NAME NGcopy_from_user 20#define LOAD(type,addr,dest) type##a [addr] ASI_AIUS, dest 21#define LOAD_TWIN(addr_reg,dest0,dest1) \ 22 ldda [addr_reg] ASI_BLK_INIT_QUAD_LDD_AIUS, dest0 23#define EX_RETVAL(x) %g0 24 25#ifdef __KERNEL__ 26#define PREAMBLE \ 27 rd %asi, %g1; \ 28 cmp %g1, ASI_AIUS; \ 29 bne,pn %icc, raw_copy_in_user; \ 30 nop 31#endif 32 33#include "NGmemcpy.S" 34