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Add bus_space_peek_[1248] functions. These can be used by match/probe 

functions.
This commit is contained in:
leo 1997-03-03 12:28:20 +00:00
parent 301f6163bb
commit b170f473ba
1 changed files with 13 additions and 1 deletions
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14
sys/arch/atari/include/bus.h
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@ -1,4 +1,4 @@
/* $NetBSD: bus.h,v 1.5 1997/01/27 10:18:33 leo Exp $ */
/* $NetBSD: bus.h,v 1.6 1997/03/03 12:28:20 leo Exp $ */
/*
* Copyright (c) 1996 Leo Weppelman. All rights reserved.
@ -72,6 +72,18 @@ void bus_space_write_multi_4 __P((bus_space_tag_t, bus_space_handle_t,
void bus_space_write_multi_8 __P((bus_space_tag_t, bus_space_handle_t,
int, caddr_t, int));
/*
* Check accesibility of the location for various sized bus accesses
*/
#define bus_space_peek_1(t, h, o) \
(!badbaddr((caddr_t)((h) + (o)), 1))
#define bus_space_peek_2(t, h, o) \
(!badbaddr((caddr_t)((h) + (o)), 2))
#define bus_space_peek_4(t, h, o) \
(!badbaddr((caddr_t)((h) + (o)), 4))
#define bus_space_peek_8(t, h, o) \
(!badbaddr((caddr_t)((h) + (o)), 8))
#define bus_space_read_1(t, h, o) \
((void) t, (*(volatile u_int8_t *)((h) + (o))))
#define bus_space_read_2(t, h, o) \