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Add dummy bus_space_barrier method, like mac68k

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is 1999-04-20 05:48:37 +00:00
parent 89f51b033e
commit bbeb5012d5
1 changed files with 16 additions and 1 deletions
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17
sys/arch/amiga/include/bus.h
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@ -1,4 +1,4 @@
/* $NetBSD: bus.h,v 1.10 1999/03/23 21:29:04 drochner Exp $ */
/* $NetBSD: bus.h,v 1.11 1999/04/20 05:48:37 is Exp $ */
/*
* Copyright (c) 1996 Leo Weppelman. All rights reserved.
@ -270,5 +270,20 @@ bus_space_write_region_stream_1(t, h, o, a, c)
#define bus_space_copy_region_2(t, srch, srco, dsth, dsto, c) \
((t)->absm->bscr2)((t), (srch), (srco), (dsth), (dsto), (c))
/*
* Bus read/write barrier methods.
*
* void bus_space_barrier __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* bus_size_t len, int flags));
*
* Note: the 680x0 does not currently require barriers, but we must
* provide the flags to MI code.
*/
#define bus_space_barrier(t, h, o, l, f) \
((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f)))
#define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
#define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
#endif /* _AMIGA_BUS_H_ */