/* NG4copy_from_user.S: Niagara-2 optimized copy from userspace. * * Copyright (C) 2012 David S. Miller (davem@davemloft.net) */ #define EX_LD(x) \ 98: x; \ .section __ex_table,"a";\ .align 4; \ .word 98b, __retl_one_asi;\ .text; \ .align 4; #ifndef ASI_AIUS #define ASI_AIUS 0x11 #endif #define FUNC_NAME NG4copy_from_user #define LOAD(type,addr,dest) type##a [addr] %asi, dest #define EX_RETVAL(x) 0 #ifdef __KERNEL__ #define PREAMBLE \ rd %asi, %g1; \ cmp %g1, ASI_AIUS; \ bne,pn %icc, ___copy_in_user; \ nop #endif #include "NG4memcpy.S"