147 lines
5.4 KiB
C
147 lines
5.4 KiB
C
/* $NetBSD: bus_funcs.h,v 1.1 2011/07/18 17:51:17 dyoung Exp $ */
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/*
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* Copyright (c) 1996 Leo Weppelman. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _AMIGAPPC_BUS_FUNCS_H_
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#define _AMIGAPPC_BUS_FUNCS_H_
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/*
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* Macro definition of map, unmap, etc.
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*/
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#define bus_space_map(t, o, s, f, hp) \
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((t)->absm->bsm)((t), (o), (s), (f), (hp))
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#define bus_space_subregion(t, h, o, s, hp) \
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((t)->absm->bsms)((h), (o), (s), (hp))
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#define bus_space_unmap(t, h, s) \
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((t)->absm->bsu)((h), (s))
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/*
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* Macro definition of _2 functions as indirect method array calls
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*/
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/* 0: Helper macros */
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#define dbsdr(n, t, h, o) ((t)->absm->n)((h), (o))
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#define dbsdw(n, t, h, o, v) ((t)->absm->n)((h), (o), (v))
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#define dbsm(n, t, h, o, p, c) ((t)->absm->n)((h), (o), (p), (c))
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#define dbss(n, t, h, o, v, c) ((t)->absm->n)((h), (o), (v), (c))
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#define dbsc(n, t, h, o, v, c) ((t)->absm->n)((h), (o), (v), (c))
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/* 1: byte-wide "functions" */
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#define bus_space_read_1(t, h, o) dbsdr(bsr1, t, h, o)
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#define bus_space_write_1(t, h, o, v) dbsdw(bsw1, t, h, o, v)
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#define bus_space_read_multi_1(t, h, o, p, c) dbsm(bsrm1, t, h, o, p, c)
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#define bus_space_write_multi_1(t, h, o, p, c) dbsm(bswm1, t, h, o, p, c)
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#define bus_space_read_region_1(t, h, o, p, c) dbsm(bsrr1, t, h, o, p, c)
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#define bus_space_write_region_1(t, h, o, p, c) dbsm(bswr1, t, h, o, p, c)
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#define bus_space_set_region_1(t, h, o, v, c) dbss(bssr1, t, h, o, v, c)
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#define bus_space_copy_region_1(t, h, o, g, q, c) dbss(bscr1, t, h, o, g, q, c)
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/* 2: word-wide "functions" */
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#define bus_space_read_2(t, h, o) dbsdr(bsr2, t, h, o)
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#define bus_space_write_2(t, h, o, v) dbsdw(bsw2, t, h, o, v)
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#define bus_space_read_stream_2(t, h, o) dbsdr(bsrs2, t, h, o)
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#define bus_space_write_stream_2(t, h, o, v) dbsdw(bsws2, t, h, o, v)
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#define bus_space_read_multi_2(t, h, o, p, c) dbsm(bsrm2, t, h, o, p, c)
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#define bus_space_write_multi_2(t, h, o, p, c) dbsm(bswm2, t, h, o, p, c)
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#define bus_space_read_multi_stream_2(t, h, o, p, c) \
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dbsm(bsrms2, t, h, o, p, c)
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#define bus_space_write_multi_stream_2(t, h, o, p, c) \
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dbsm(bswms2, t, h, o, p, c)
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#define bus_space_read_region_2(t, h, o, p, c) dbsm(bsrr2, t, h, o, p, c)
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#define bus_space_write_region_2(t, h, o, p, c) dbsm(bswr2, t, h, o, p, c)
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#define bus_space_read_region_stream_2(t, h, o, p, c) \
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dbsm(bsrrs2, t, h, o, p, c)
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#define bus_space_write_region_stream_2(t, h, o, p, c) \
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dbsm(bswrs2, t, h, o, p, c)
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#define bus_space_set_region_2(t, h, o, v, c) dbss(bssr2, t, h, o, v, c)
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#define bus_space_copy_region_2(t, h, o, g, q, c) dbss(bscr2, t, h, o, g, q, c)
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/* 4: Fake 32-bit macros */
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#define bus_space_read_4(t, h, o) \
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(panic("bus_space_read_4 not implemented"), 0)
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#define bus_space_write_4(t, h, o, v) \
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panic("bus_space_write_4 not implemented")
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#define bus_space_read_stream_4(t, h, o) \
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(panic("bus_space_read_stream_4 not implemented"), 0)
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#define bus_space_write_stream_4(t, h, o, v) \
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panic("bus_space_read_stream_4 not implemented")
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#define bus_space_read_multi_4(t, h, o, p, c) \
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panic("bus_space_read_multi_4 not implemented")
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#define bus_space_write_multi_4(t, h, o, p, c) \
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panic("bus_space_write_multi_4 not implemented")
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#define bus_space_read_multi_stream_4(t, h, o, p, c) \
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panic("bus_space_read_multi_stream_4 not implemented")
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#define bus_space_write_multi_stream_4(t, h, o, p, c) \
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panic("bus_space_write_multi_stream_4 not implemented")
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#define bus_space_read_region_stream_4(t, h, o, p, c) \
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panic("bus_space_read_region_stream_4 not implemented")
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#define bus_space_write_region_stream_4(t, h, o, p, c) \
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panic("bus_space_write_region_stream_4 not implemented")
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/*
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* Bus read/write barrier methods.
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*
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* void bus_space_barrier __P((bus_space_tag_t tag,
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* bus_space_handle_t bsh, bus_size_t offset,
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* bus_size_t len, int flags));
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*
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* Note: the 680x0 does not currently require barriers, but we must
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* provide the flags to MI code.
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*/
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#define bus_space_barrier(t, h, o, l, f) \
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((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f)))
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/* Instruction for enforcing reorder protection. */
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#define amiga_bus_reorder_protect() __asm volatile ("eieio")
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#endif /* _AMIGAPPC_BUS_FUNCS_H_ */
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