1/* SPDX-License-Identifier: GPL-2.0 */ 2/* GENcopy_from_user.S: Generic sparc64 copy from userspace. 3 * 4 * Copyright (C) 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 GENcopy_from_user 20#define LOAD(type,addr,dest) type##a [addr] ASI_AIUS, dest 21#define EX_RETVAL(x) 0 22 23#ifdef __KERNEL__ 24#define PREAMBLE \ 25 rd %asi, %g1; \ 26 cmp %g1, ASI_AIUS; \ 27 bne,pn %icc, raw_copy_in_user; \ 28 nop 29#endif 30 31#include "GENmemcpy.S" 32