| /* | |
| * 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" |