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Make the abs_copy functions usable. The previous implementation caused 

kernel "jump to zero" panics....
This commit is contained in:
leo 1999-01-08 09:25:33 +00:00
parent cf88e51c7b
commit be84171b70
1 changed files with 15 additions and 2 deletions
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17
sys/arch/atari/include/bus.h
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@ -1,4 +1,4 @@
/* $NetBSD: bus.h,v 1.14 1998/12/01 15:32:28 leo Exp $ */
/* $NetBSD: bus.h,v 1.15 1999/01/08 09:25:33 leo Exp $ */
/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
@ -265,6 +265,7 @@ struct atari_bus_space {
void (*abs_sr_8) __P((bus_space_tag_t, bus_space_handle_t,
bus_size_t, u_int64_t, bus_size_t));
#if 0 /* See comment on __abs_copy below */
/* copy */
void (*abs_c_1) __P((bus_space_tag_t, bus_space_handle_t,
bus_size_t, bus_space_handle_t, bus_size_t,
@ -278,6 +279,7 @@ struct atari_bus_space {
void (*abs_c_8) __P((bus_space_tag_t, bus_space_handle_t,
bus_size_t, bus_space_handle_t, bus_size_t,
bus_size_t));
#endif
};
/*
@ -300,8 +302,19 @@ struct atari_bus_space {
(*(t)->__abs_opname(type,sz))(t, h, o, a, c)
#define __abs_set(type, sz, t, h, o, v, c) \
(*(t)->__abs_opname(type,sz))(t, h, o, v, c)
#define __abs_copy(sz, t, h1, o1, h2, o2, cnt) \
/*
* No swaps needed and no other trickery, so it should be possible
* to shortcut these to memcpy() directly [ leo 19990107 ]
*/
#if 0
#define __abs_copy(sz, t, h1, o1, h2, o2, cnt) \
(*(t)->__abs_opname(c,sz))(t, h1, o1, h2, o2, cnt)
#else
#define __abs_copy(sz, t, h1, o1, h2, o2, cnt) \
memcpy((void*)(h1 + o1), (void *)(h2 + o2), sz * cnt)
#endif
/*
* Check accesibility of the location for various sized bus accesses