/* | |
* 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" |