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TOMOYO Linux Cross Reference
Linux/arch/sparc/lib/GENcopy_from_user.S

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  1 /* SPDX-License-Identifier: GPL-2.0 */
  2 /* GENcopy_from_user.S: Generic sparc64 copy from userspace.
  3  *
  4  * Copyright (C) 2007 David S. Miller (davem@davemloft.net)
  5  */
  6 
  7 #define EX_LD(x,y)              \
  8 98:     x;                      \
  9         .section __ex_table,"a";\
 10         .align 4;               \
 11         .word 98b, y;           \
 12         .text;                  \
 13         .align 4;
 14 
 15 #ifndef ASI_AIUS
 16 #define ASI_AIUS        0x11
 17 #endif
 18 
 19 #define FUNC_NAME               GENcopy_from_user
 20 #define LOAD(type,addr,dest)    type##a [addr] ASI_AIUS, dest
 21 #define EX_RETVAL(x)            0
 22 
 23 #ifdef __KERNEL__
 24 #define PREAMBLE                                        \
 25         rd              %asi, %g1;                      \
 26         cmp             %g1, ASI_AIUS;                  \
 27         bne,pn          %icc, raw_copy_in_user;         \
 28          nop
 29 #endif
 30 
 31 #include "GENmemcpy.S"
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