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dgrs_asstruct.h
Package: linux-2.4.20.tar.gz　[view]
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Upload Date: 2013-04-10
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Linux-Unix program

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Unix_Linux

dgrs_asstruct.h：Code Content
  1. /*
  2.  * For declaring structures shared with assembly routines
  3.  *
  4.  * $Id: asstruct.h,v 1.1.1.1 1994/10/23 05:08:32 rick Exp $
  5.  */
  7. #if ASSEMBLER
  9. # define MO(t,a) (a)
  10. # define VMO(t,a) (a)
  12. # define BEGIN_STRUCT(x) _Off=0
  13. # define S1A(t,x,n) _Off=(_Off+0)&~0; x=_Off; _Off=_Off+(1*n)
  14. # define S2A(t,x,n) _Off=(_Off+1)&~1; x=_Off; _Off=_Off+(2*n)
  15. # define S4A(t,x,n) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+(4*n)
  16. # define WORD(x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
  17. # define WORDA(x,n) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+(4*n)
  18. # define VWORD(x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
  19. # define S1(t,x) _Off=(_Off+0)&~0; x=_Off; _Off=_Off+1
  20. # define S2(t,x) _Off=(_Off+1)&~1; x=_Off; _Off=_Off+2
  21. # define S4(t,x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
  22. # define END_STRUCT(x) _Off=(_Off+3)&~3; x=_Off 
  24. #else /* C */
  26. #define VMO(t,a)        (*(volatile t *)(a))
  28. # define BEGIN_STRUCT(x) struct x {
  29. # define S1(t,x)         t x ;
  30. # define S1A(t,x,n)      t x[n] ;
  31. # define S2(t,x)         t x ;
  32. # define S2A(t,x,n)      t x[n] ;
  33. # define S4(t,x)         t x ;
  34. # define S4A(t,x,n)      t x[n] ;
  35. # define END_STRUCT(x)   } ;
  37. #endif