/* * M7copy_from_user.S: SPARC M7 optimized copy from userspace. * * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved. */ #define EX_LD(x, y) \ 98: x; \ .section __ex_table,"a"; \ .align 4; \ .word 98b, y; \ .text; \ .align 4; #define EX_LD_FP(x, y) \ 98: x; \ .section __ex_table,"a"; \ .align 4; \ .word 98b, y##_fp; \ .text; \ .align 4; #ifndef ASI_AIUS #define ASI_AIUS 0x11 #endif #define FUNC_NAME M7copy_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, raw_copy_in_user; \ nop #endif #include "M7memcpy.S"