18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 28c2ecf20Sopenharmony_ci/* GENcopy_from_user.S: Generic sparc64 copy from userspace. 38c2ecf20Sopenharmony_ci * 48c2ecf20Sopenharmony_ci * Copyright (C) 2007 David S. Miller (davem@davemloft.net) 58c2ecf20Sopenharmony_ci */ 68c2ecf20Sopenharmony_ci 78c2ecf20Sopenharmony_ci#define EX_LD(x,y) \ 88c2ecf20Sopenharmony_ci98: x; \ 98c2ecf20Sopenharmony_ci .section __ex_table,"a";\ 108c2ecf20Sopenharmony_ci .align 4; \ 118c2ecf20Sopenharmony_ci .word 98b, y; \ 128c2ecf20Sopenharmony_ci .text; \ 138c2ecf20Sopenharmony_ci .align 4; 148c2ecf20Sopenharmony_ci 158c2ecf20Sopenharmony_ci#ifndef ASI_AIUS 168c2ecf20Sopenharmony_ci#define ASI_AIUS 0x11 178c2ecf20Sopenharmony_ci#endif 188c2ecf20Sopenharmony_ci 198c2ecf20Sopenharmony_ci#define FUNC_NAME GENcopy_from_user 208c2ecf20Sopenharmony_ci#define LOAD(type,addr,dest) type##a [addr] ASI_AIUS, dest 218c2ecf20Sopenharmony_ci#define EX_RETVAL(x) 0 228c2ecf20Sopenharmony_ci 238c2ecf20Sopenharmony_ci#ifdef __KERNEL__ 248c2ecf20Sopenharmony_ci#define PREAMBLE \ 258c2ecf20Sopenharmony_ci rd %asi, %g1; \ 268c2ecf20Sopenharmony_ci cmp %g1, ASI_AIUS; \ 278c2ecf20Sopenharmony_ci bne,pn %icc, raw_copy_in_user; \ 288c2ecf20Sopenharmony_ci nop 298c2ecf20Sopenharmony_ci#endif 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ci#include "GENmemcpy.S" 32