435 lines
14 KiB
C
435 lines
14 KiB
C
/* $NetBSD: bus.h,v 1.2 1997/01/13 00:33:36 mark Exp $ */
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/*
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* Copyright (c) 1996 Christopher G. Demetriou. 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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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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 _ARM32_BUS_H_
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#define _ARM32_BUS_H_
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/*
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* Addresses (in bus space).
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*/
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typedef u_long bus_addr_t;
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typedef u_long bus_size_t;
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/*
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* Access methods for bus space.
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*/
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typedef struct bus_space *bus_space_tag_t;
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typedef u_long bus_space_handle_t;
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struct bus_space {
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/* cookie */
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void *bs_cookie;
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/* mapping/unmapping */
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int (*bs_map) __P((void *, bus_addr_t, bus_size_t,
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int, bus_space_handle_t *));
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void (*bs_unmap) __P((void *, bus_space_handle_t,
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bus_size_t));
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int (*bs_subregion) __P((void *, bus_space_handle_t,
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bus_size_t, bus_size_t, bus_space_handle_t *));
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/* allocation/deallocation */
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int (*bs_alloc) __P((void *, bus_addr_t, bus_addr_t,
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bus_size_t, bus_size_t, bus_size_t, int,
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bus_addr_t *, bus_space_handle_t *));
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void (*bs_free) __P((void *, bus_space_handle_t,
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bus_size_t));
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/* read (single) */
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u_int8_t (*bs_r_1) __P((void *, bus_space_handle_t,
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bus_size_t));
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u_int16_t (*bs_r_2) __P((void *, bus_space_handle_t,
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bus_size_t));
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u_int32_t (*bs_r_4) __P((void *, bus_space_handle_t,
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bus_size_t));
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u_int64_t (*bs_r_8) __P((void *, bus_space_handle_t,
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bus_size_t));
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/* read multi */
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void (*bs_rm_1) __P((void *, bus_space_handle_t,
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bus_size_t, u_int8_t *, bus_size_t));
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void (*bs_rm_2) __P((void *, bus_space_handle_t,
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bus_size_t, u_int16_t *, bus_size_t));
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void (*bs_rm_4) __P((void *, bus_space_handle_t,
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bus_size_t, u_int32_t *, bus_size_t));
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void (*bs_rm_8) __P((void *, bus_space_handle_t,
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bus_size_t, u_int64_t *, bus_size_t));
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/* read region */
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void (*bs_rr_1) __P((void *, bus_space_handle_t,
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bus_size_t, u_int8_t *, bus_size_t));
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void (*bs_rr_2) __P((void *, bus_space_handle_t,
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bus_size_t, u_int16_t *, bus_size_t));
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void (*bs_rr_4) __P((void *, bus_space_handle_t,
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bus_size_t, u_int32_t *, bus_size_t));
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void (*bs_rr_8) __P((void *, bus_space_handle_t,
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bus_size_t, u_int64_t *, bus_size_t));
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/* write (single) */
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void (*bs_w_1) __P((void *, bus_space_handle_t,
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bus_size_t, u_int8_t));
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void (*bs_w_2) __P((void *, bus_space_handle_t,
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bus_size_t, u_int16_t));
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void (*bs_w_4) __P((void *, bus_space_handle_t,
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bus_size_t, u_int32_t));
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void (*bs_w_8) __P((void *, bus_space_handle_t,
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bus_size_t, u_int64_t));
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/* write multi */
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void (*bs_wm_1) __P((void *, bus_space_handle_t,
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bus_size_t, const u_int8_t *, bus_size_t));
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void (*bs_wm_2) __P((void *, bus_space_handle_t,
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bus_size_t, const u_int16_t *, bus_size_t));
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void (*bs_wm_4) __P((void *, bus_space_handle_t,
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bus_size_t, const u_int32_t *, bus_size_t));
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void (*bs_wm_8) __P((void *, bus_space_handle_t,
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bus_size_t, const u_int64_t *, bus_size_t));
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/* write region */
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void (*bs_wr_1) __P((void *, bus_space_handle_t,
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bus_size_t, const u_int8_t *, bus_size_t));
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void (*bs_wr_2) __P((void *, bus_space_handle_t,
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bus_size_t, const u_int16_t *, bus_size_t));
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void (*bs_wr_4) __P((void *, bus_space_handle_t,
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bus_size_t, const u_int32_t *, bus_size_t));
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void (*bs_wr_8) __P((void *, bus_space_handle_t,
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bus_size_t, const u_int64_t *, bus_size_t));
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/* set multi */
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/* XXX IMPLEMENT */
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/* set region */
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/* XXX IMPLEMENT */
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/* copy */
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/* XXX IMPLEMENT */
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/* barrier */
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void (*bs_barrier) __P((void *, bus_space_handle_t,
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bus_size_t, bus_size_t, int));
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};
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/*
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* Utility macros; INTERNAL USE ONLY.
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*/
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#define __bs_c(a,b) __CONCAT(a,b)
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#define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size)
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#define __bs_rs(sz, t, h, o) \
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(*(t)->__bs_opname(r,sz))((t)->bs_cookie, h, o)
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#define __bs_ws(sz, t, h, o, v) \
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(*(t)->__bs_opname(w,sz))((t)->bs_cookie, h, o, v)
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#define __bs_nonsingle(type, sz, t, h, o, a, c) \
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(*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, a, c)
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/*
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* Mapping and unmapping operations.
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*/
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#define bus_space_map(t, a, s, c, hp) \
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(*(t)->bs_map)((t)->bs_cookie, (a), (s), (c), (hp))
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#define bus_space_unmap(t, h, s) \
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(*(t)->bs_unmap)((t)->bs_cookie, (h), (s))
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#define bus_space_subregion(t, h, o, s, hp) \
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(*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (hp))
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/*
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* Allocation and deallocation operations.
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*/
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#define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \
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(*(t)->bs_alloc)((t)->bs_cookie, (rs), (re), (s), (a), (b), \
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(c), (ap), (hp))
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#define bus_space_free(t, h, s) \
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(*(t)->bs_free)((t)->bs_cookie, (h), (s))
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/*
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* Bus read (single) operations.
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*/
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#define bus_space_read_1(t, h, o) __bs_rs(1,(t),(h),(o))
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#define bus_space_read_2(t, h, o) __bs_rs(2,(t),(h),(o))
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#define bus_space_read_4(t, h, o) __bs_rs(4,(t),(h),(o))
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#define bus_space_read_8(t, h, o) __bs_rs(8,(t),(h),(o))
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/*
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* Bus read multiple operations.
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*/
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#define bus_space_read_multi_1(t, h, o, a, c) \
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__bs_nonsingle(rm,1,(t),(h),(o),(a),(c))
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#define bus_space_read_multi_2(t, h, o, a, c) \
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__bs_nonsingle(rm,2,(t),(h),(o),(a),(c))
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#define bus_space_read_multi_4(t, h, o, a, c) \
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__bs_nonsingle(rm,4,(t),(h),(o),(a),(c))
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#define bus_space_read_multi_8(t, h, o, a, c) \
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__bs_nonsingle(rm,8,(t),(h),(o),(a),(c))
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/*
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* Bus read region operations.
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*/
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#define bus_space_read_region_1(t, h, o, a, c) \
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__bs_nonsingle(rr,1,(t),(h),(o),(a),(c))
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#define bus_space_read_region_2(t, h, o, a, c) \
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__bs_nonsingle(rr,2,(t),(h),(o),(a),(c))
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#define bus_space_read_region_4(t, h, o, a, c) \
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__bs_nonsingle(rr,4,(t),(h),(o),(a),(c))
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#define bus_space_read_region_8(t, h, o, a, c) \
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__bs_nonsingle(rr,8,(t),(h),(o),(a),(c))
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/*
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* Bus write (single) operations.
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*/
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#define bus_space_write_1(t, h, o, v) __bs_ws(1,(t),(h),(o),(v))
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#define bus_space_write_2(t, h, o, v) __bs_ws(2,(t),(h),(o),(v))
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#define bus_space_write_4(t, h, o, v) __bs_ws(4,(t),(h),(o),(v))
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#define bus_space_write_8(t, h, o, v) __bs_ws(8,(t),(h),(o),(v))
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/*
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* Bus write multiple operations.
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*/
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#define bus_space_write_multi_1(t, h, o, a, c) \
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__bs_nonsingle(wm,1,(t),(h),(o),(a),(c))
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#define bus_space_write_multi_2(t, h, o, a, c) \
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__bs_nonsingle(wm,2,(t),(h),(o),(a),(c))
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#define bus_space_write_multi_4(t, h, o, a, c) \
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__bs_nonsingle(wm,4,(t),(h),(o),(a),(c))
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#define bus_space_write_multi_8(t, h, o, a, c) \
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__bs_nonsingle(wm,8,(t),(h),(o),(a),(c))
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/*
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* Bus write region operations.
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*/
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#define bus_space_write_region_1(t, h, o, a, c) \
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__bs_nonsingle(wr,1,(t),(h),(o),(a),(c))
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#define bus_space_write_region_2(t, h, o, a, c) \
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__bs_nonsingle(wr,2,(t),(h),(o),(a),(c))
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#define bus_space_write_region_4(t, h, o, a, c) \
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__bs_nonsingle(wr,4,(t),(h),(o),(a),(c))
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#define bus_space_write_region_8(t, h, o, a, c) \
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__bs_nonsingle(wr,8,(t),(h),(o),(a),(c))
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/*
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* Set multiple operations.
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*/
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/* XXX IMPLEMENT */
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/*
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* Set region operations.
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*/
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/* XXX IMPLEMENT */
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/*
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* Copy operations.
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*/
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/* XXX IMPLEMENT */
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/*
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* Bus barrier operations.
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*/
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#define bus_space_barrier(t, h, o, l, f) \
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(*(t)->bs_barrier)((t)->bs_cookie, (h), (o), (l), (f))
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#define BUS_BARRIER_READ 0x01
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#define BUS_BARRIER_WRITE 0x02
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/*
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* Macros to provide prototypes for all the functions used in the
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* bus_space structure
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*/
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#define bs_map_proto(f) \
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int __bs_c(f,_map) __P((void *t, bus_addr_t addr, \
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bus_size_t size, int cacheable, bus_space_handle_t *bshp));
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#define bs_unmap_proto(f) \
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void __bs_c(f,_unmap) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t size));
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#define bs_subregion_proto(f) \
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int __bs_c(f,_subregion) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, bus_size_t size, \
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bus_space_handle_t *nbshp));
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#define bs_alloc_proto(f) \
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int __bs_c(f,_alloc) __P((void *t, bus_addr_t rstart, \
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bus_addr_t rend, bus_size_t size, bus_size_t align, \
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bus_size_t boundary, int cacheable, bus_addr_t *addrp, \
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bus_space_handle_t *bshp));
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#define bs_free_proto(f) \
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void __bs_c(f,_free) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t size));
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#define bs_barrier_proto(f) \
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void __bs_c(f,_barrier) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, bus_size_t len, int flags));
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#define bs_r_1_proto(f) \
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u_int8_t __bs_c(f,_r_1) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset));
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#define bs_r_2_proto(f) \
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u_int16_t __bs_c(f,_r_2) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset));
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#define bs_r_4_proto(f) \
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u_int32_t __bs_c(f,_r_4) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset));
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#define bs_r_8_proto(f) \
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u_int64_t __bs_c(f,_r_8) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset));
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#define bs_w_1_proto(f) \
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void __bs_c(f,_w_1) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, u_int8_t value));
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#define bs_w_2_proto(f) \
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void __bs_c(f,_w_2) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, u_int16_t value));
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#define bs_w_4_proto(f) \
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void __bs_c(f,_w_4) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, u_int32_t value));
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#define bs_w_8_proto(f) \
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void __bs_c(f,_w_8) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, u_int64_t value));
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#define bs_rm_1_proto(f) \
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void __bs_c(f,_rm_1) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, u_int8_t *addr, bus_size_t count));
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#define bs_rm_2_proto(f) \
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void __bs_c(f,_rm_2) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, u_int16_t *addr, bus_size_t count));
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#define bs_rm_4_proto(f) \
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void __bs_c(f,_rm_4) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, u_int32_t *addr, bus_size_t count));
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#define bs_rm_8_proto(f) \
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void __bs_c(f,_rm_8) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, u_int64_t *addr, bus_size_t count));
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#define bs_wm_1_proto(f) \
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void __bs_c(f,_wm_1) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, const u_int8_t *addr, bus_size_t count));
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#define bs_wm_2_proto(f) \
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void __bs_c(f,_wm_2) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, const u_int16_t *addr, bus_size_t count));
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#define bs_wm_4_proto(f) \
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void __bs_c(f,_wm_4) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, const u_int32_t *addr, bus_size_t count));
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#define bs_wm_8_proto(f) \
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void __bs_c(f,_wm_8) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, const u_int64_t *addr, bus_size_t count));
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#define bs_rr_1_proto(f) \
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void __bs_c(f, _rr_1) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, u_int8_t *addr, bus_size_t count));
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#define bs_rr_2_proto(f) \
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void __bs_c(f, _rr_2) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, u_int16_t *addr, bus_size_t count));
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#define bs_rr_4_proto(f) \
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void __bs_c(f, _rr_4) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, u_int32_t *addr, bus_size_t count));
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#define bs_rr_8_proto(f) \
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void __bs_c(f, _rr_8) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, u_int64_t *addr, bus_size_t count));
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#define bs_wr_1_proto(f) \
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void __bs_c(f, _wr_1) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, const u_int8_t *addr, bus_size_t count));
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#define bs_wr_2_proto(f) \
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void __bs_c(f, _wr_2) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, const u_int16_t *addr, bus_size_t count));
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#define bs_wr_4_proto(f) \
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void __bs_c(f, _wr_4) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, const u_int32_t *addr, bus_size_t count));
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#define bs_wr_8_proto(f) \
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void __bs_c(f, _wr_8) __P((void *t, bus_space_handle_t bsh, \
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bus_size_t offset, const u_int64_t *addr, bus_size_t count));
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#define bs_protos(f) \
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bs_map_proto(f); \
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bs_unmap_proto(f); \
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bs_subregion_proto(f); \
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bs_alloc_proto(f); \
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bs_free_proto(f); \
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bs_r_1_proto(f); \
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bs_r_2_proto(f); \
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bs_r_4_proto(f); \
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bs_r_8_proto(f); \
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bs_w_1_proto(f); \
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bs_w_2_proto(f); \
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bs_w_4_proto(f); \
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bs_w_8_proto(f); \
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bs_rm_1_proto(f); \
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bs_rm_2_proto(f); \
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bs_rm_4_proto(f); \
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bs_rm_8_proto(f); \
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bs_wm_1_proto(f); \
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bs_wm_2_proto(f); \
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bs_wm_4_proto(f); \
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bs_wm_8_proto(f); \
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bs_rr_1_proto(f); \
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bs_rr_2_proto(f); \
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bs_rr_4_proto(f); \
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bs_rr_8_proto(f); \
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bs_wr_1_proto(f); \
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bs_wr_2_proto(f); \
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bs_wr_4_proto(f); \
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bs_wr_8_proto(f); \
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bs_barrier_proto(f);
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#endif /* _ARM32_BUS_H_ */
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