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Add dummies for barrier methods (copied from i386).

This commit is contained in:
leo 2000-04-11 07:12:47 +00:00
parent 9b47c7431d
commit 7d08f8e623
1 changed files with 17 additions and 1 deletions
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18
sys/arch/atari/include/bus.h
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@ -1,4 +1,4 @@
/* $NetBSD: bus.h,v 1.21 2000/01/25 22:13:19 drochner Exp $ */
/* $NetBSD: bus.h,v 1.22 2000/04/11 07:12:47 leo Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -508,6 +508,22 @@ struct atari_bus_space {
#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
/*
* 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 Atari 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 */
/*
* Flags used in various bus DMA methods.
*/