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| /*
| * 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"
|
|
