mirror of
https://github.com/torvalds/linux.git
synced 2024-11-17 17:41:44 +00:00
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
/*
|
|
* For declaring structures shared with assembly routines
|
|
*
|
|
* $Id: asstruct.h,v 1.1.1.1 1994/10/23 05:08:32 rick Exp $
|
|
*/
|
|
|
|
#ifdef ASSEMBLER
|
|
|
|
# define MO(t,a) (a)
|
|
# define VMO(t,a) (a)
|
|
|
|
# define BEGIN_STRUCT(x) _Off=0
|
|
# define S1A(t,x,n) _Off=(_Off+0)&~0; x=_Off; _Off=_Off+(1*n)
|
|
# define S2A(t,x,n) _Off=(_Off+1)&~1; x=_Off; _Off=_Off+(2*n)
|
|
# define S4A(t,x,n) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+(4*n)
|
|
# define WORD(x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
|
|
# define WORDA(x,n) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+(4*n)
|
|
# define VWORD(x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
|
|
# define S1(t,x) _Off=(_Off+0)&~0; x=_Off; _Off=_Off+1
|
|
# define S2(t,x) _Off=(_Off+1)&~1; x=_Off; _Off=_Off+2
|
|
# define S4(t,x) _Off=(_Off+3)&~3; x=_Off; _Off=_Off+4
|
|
# define END_STRUCT(x) _Off=(_Off+3)&~3; x=_Off
|
|
|
|
#else /* C */
|
|
|
|
#define VMO(t,a) (*(volatile t *)(a))
|
|
|
|
# define BEGIN_STRUCT(x) struct x {
|
|
# define S1(t,x) t x ;
|
|
# define S1A(t,x,n) t x[n] ;
|
|
# define S2(t,x) t x ;
|
|
# define S2A(t,x,n) t x[n] ;
|
|
# define S4(t,x) t x ;
|
|
# define S4A(t,x,n) t x[n] ;
|
|
# define END_STRUCT(x) } ;
|
|
|
|
#endif
|