1/* SPDX-License-Identifier: GPL-2.0 */ 2/* NG4copy_from_user.S: Niagara-4 optimized copy from userspace. 3 * 4 * Copyright (C) 2012 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#define EX_LD_FP(x,y) \ 1698: x; \ 17 .section __ex_table,"a";\ 18 .align 4; \ 19 .word 98b, y##_fp; \ 20 .text; \ 21 .align 4; 22 23#ifndef ASI_AIUS 24#define ASI_AIUS 0x11 25#endif 26 27#define FUNC_NAME NG4copy_from_user 28#define LOAD(type,addr,dest) type##a [addr] %asi, dest 29#define EX_RETVAL(x) 0 30 31#ifdef __KERNEL__ 32#define PREAMBLE \ 33 rd %asi, %g1; \ 34 cmp %g1, ASI_AIUS; \ 35 bne,pn %icc, raw_copy_in_user; \ 36 nop 37#endif 38 39#include "NG4memcpy.S" 40