| /* GENcopy_from_user.S: Generic sparc64 copy from userspace. | |
| * | |
| * Copyright (C) 2007 David S. Miller (davem@davemloft.net) | |
| */ | |
| #define EX_LD(x) \ | |
| 98: x; \ | |
| .section .fixup; \ | |
| .align 4; \ | |
| 99: retl; \ | |
| mov 1, %o0; \ | |
| .section __ex_table,"a";\ | |
| .align 4; \ | |
| .word 98b, 99b; \ | |
| .text; \ | |
| .align 4; | |
| #ifndef ASI_AIUS | |
| #define ASI_AIUS 0x11 | |
| #endif | |
| #define FUNC_NAME GENcopy_from_user | |
| #define LOAD(type,addr,dest) type##a [addr] ASI_AIUS, dest | |
| #define EX_RETVAL(x) 0 | |
| #ifdef __KERNEL__ | |
| #define PREAMBLE \ | |
| rd %asi, %g1; \ | |
| cmp %g1, ASI_AIUS; \ | |
| bne,pn %icc, memcpy_user_stub; \ | |
| nop | |
| #endif | |
| #include "GENmemcpy.S" |