1 /* $NetBSD: bus.h,v 1.11 2003/07/28 17:35:54 thorpej Exp $ */
4 * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center.
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
30 * POSSIBILITY OF SUCH DAMAGE.
34 * Copyright (c) 1996 Charles M. Hannum. All rights reserved.
35 * Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
37 * Redistribution and use in source and binary forms, with or without
38 * modification, are permitted provided that the following conditions
40 * 1. Redistributions of source code must retain the above copyright
41 * notice, this list of conditions and the following disclaimer.
42 * 2. Redistributions in binary form must reproduce the above copyright
43 * notice, this list of conditions and the following disclaimer in the
44 * documentation and/or other materials provided with the distribution.
45 * 3. All advertising materials mentioning features or use of this software
46 * must display the following acknowledgement:
47 * This product includes software developed by Christopher G. Demetriou
48 * for the NetBSD Project.
49 * 4. The name of the author may not be used to endorse or promote products
50 * derived from this software without specific prior written permission
52 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
53 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
54 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
55 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
56 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
57 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
58 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
59 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
60 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
61 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
63 * From: sys/arm/include/bus.h
68 #ifndef _MACHINE_BUS_H_
69 #define _MACHINE_BUS_H_
71 #include <machine/_bus.h>
73 #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
75 #define BUS_SPACE_MAXADDR_24BIT 0xFFFFFFUL
76 #define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFFUL
77 #define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFFUL
78 #define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFFUL
80 #define BUS_SPACE_MAXADDR 0xFFFFFFFFFFFFFFFFUL
81 #define BUS_SPACE_MAXSIZE 0xFFFFFFFFFFFFFFFFUL
83 #define BUS_SPACE_MAP_CACHEABLE 0x01
84 #define BUS_SPACE_MAP_LINEAR 0x02
85 #define BUS_SPACE_MAP_PREFETCHABLE 0x04
87 #define BUS_SPACE_UNRESTRICTED (~0)
89 #define BUS_SPACE_BARRIER_READ 0x01
90 #define BUS_SPACE_BARRIER_WRITE 0x02
92 #if defined(KCSAN) && !defined(KCSAN_RUNTIME)
93 #include <sys/_cscan_bus.h>
100 /* mapping/unmapping */
101 int (*bs_map) (void *, bus_addr_t, bus_size_t,
102 int, bus_space_handle_t *);
103 void (*bs_unmap) (void *, bus_space_handle_t, bus_size_t);
104 int (*bs_subregion) (void *, bus_space_handle_t,
105 bus_size_t, bus_size_t, bus_space_handle_t *);
107 /* allocation/deallocation */
108 int (*bs_alloc) (void *, bus_addr_t, bus_addr_t,
109 bus_size_t, bus_size_t, bus_size_t, int,
110 bus_addr_t *, bus_space_handle_t *);
111 void (*bs_free) (void *, bus_space_handle_t,
114 /* get kernel virtual address */
116 void (*bs_barrier) (void *, bus_space_handle_t,
117 bus_size_t, bus_size_t, int);
120 u_int8_t (*bs_r_1) (void *, bus_space_handle_t, bus_size_t);
121 u_int16_t (*bs_r_2) (void *, bus_space_handle_t, bus_size_t);
122 u_int32_t (*bs_r_4) (void *, bus_space_handle_t, bus_size_t);
123 u_int64_t (*bs_r_8) (void *, bus_space_handle_t, bus_size_t);
126 void (*bs_rm_1) (void *, bus_space_handle_t, bus_size_t,
127 u_int8_t *, bus_size_t);
128 void (*bs_rm_2) (void *, bus_space_handle_t, bus_size_t,
129 u_int16_t *, bus_size_t);
130 void (*bs_rm_4) (void *, bus_space_handle_t,
131 bus_size_t, u_int32_t *, bus_size_t);
132 void (*bs_rm_8) (void *, bus_space_handle_t,
133 bus_size_t, u_int64_t *, bus_size_t);
136 void (*bs_rr_1) (void *, bus_space_handle_t,
137 bus_size_t, u_int8_t *, bus_size_t);
138 void (*bs_rr_2) (void *, bus_space_handle_t,
139 bus_size_t, u_int16_t *, bus_size_t);
140 void (*bs_rr_4) (void *, bus_space_handle_t,
141 bus_size_t, u_int32_t *, bus_size_t);
142 void (*bs_rr_8) (void *, bus_space_handle_t,
143 bus_size_t, u_int64_t *, bus_size_t);
146 void (*bs_w_1) (void *, bus_space_handle_t,
147 bus_size_t, u_int8_t);
148 void (*bs_w_2) (void *, bus_space_handle_t,
149 bus_size_t, u_int16_t);
150 void (*bs_w_4) (void *, bus_space_handle_t,
151 bus_size_t, u_int32_t);
152 void (*bs_w_8) (void *, bus_space_handle_t,
153 bus_size_t, u_int64_t);
156 void (*bs_wm_1) (void *, bus_space_handle_t,
157 bus_size_t, const u_int8_t *, bus_size_t);
158 void (*bs_wm_2) (void *, bus_space_handle_t,
159 bus_size_t, const u_int16_t *, bus_size_t);
160 void (*bs_wm_4) (void *, bus_space_handle_t,
161 bus_size_t, const u_int32_t *, bus_size_t);
162 void (*bs_wm_8) (void *, bus_space_handle_t,
163 bus_size_t, const u_int64_t *, bus_size_t);
166 void (*bs_wr_1) (void *, bus_space_handle_t,
167 bus_size_t, const u_int8_t *, bus_size_t);
168 void (*bs_wr_2) (void *, bus_space_handle_t,
169 bus_size_t, const u_int16_t *, bus_size_t);
170 void (*bs_wr_4) (void *, bus_space_handle_t,
171 bus_size_t, const u_int32_t *, bus_size_t);
172 void (*bs_wr_8) (void *, bus_space_handle_t,
173 bus_size_t, const u_int64_t *, bus_size_t);
176 void (*bs_sm_1) (void *, bus_space_handle_t,
177 bus_size_t, u_int8_t, bus_size_t);
178 void (*bs_sm_2) (void *, bus_space_handle_t,
179 bus_size_t, u_int16_t, bus_size_t);
180 void (*bs_sm_4) (void *, bus_space_handle_t,
181 bus_size_t, u_int32_t, bus_size_t);
182 void (*bs_sm_8) (void *, bus_space_handle_t,
183 bus_size_t, u_int64_t, bus_size_t);
186 void (*bs_sr_1) (void *, bus_space_handle_t,
187 bus_size_t, u_int8_t, bus_size_t);
188 void (*bs_sr_2) (void *, bus_space_handle_t,
189 bus_size_t, u_int16_t, bus_size_t);
190 void (*bs_sr_4) (void *, bus_space_handle_t,
191 bus_size_t, u_int32_t, bus_size_t);
192 void (*bs_sr_8) (void *, bus_space_handle_t,
193 bus_size_t, u_int64_t, bus_size_t);
196 void (*bs_c_1) (void *, bus_space_handle_t, bus_size_t,
197 bus_space_handle_t, bus_size_t, bus_size_t);
198 void (*bs_c_2) (void *, bus_space_handle_t, bus_size_t,
199 bus_space_handle_t, bus_size_t, bus_size_t);
200 void (*bs_c_4) (void *, bus_space_handle_t, bus_size_t,
201 bus_space_handle_t, bus_size_t, bus_size_t);
202 void (*bs_c_8) (void *, bus_space_handle_t, bus_size_t,
203 bus_space_handle_t, bus_size_t, bus_size_t);
205 /* read single stream */
206 u_int8_t (*bs_r_1_s) (void *, bus_space_handle_t, bus_size_t);
207 u_int16_t (*bs_r_2_s) (void *, bus_space_handle_t, bus_size_t);
208 u_int32_t (*bs_r_4_s) (void *, bus_space_handle_t, bus_size_t);
209 u_int64_t (*bs_r_8_s) (void *, bus_space_handle_t, bus_size_t);
211 /* read multiple stream */
212 void (*bs_rm_1_s) (void *, bus_space_handle_t, bus_size_t,
213 u_int8_t *, bus_size_t);
214 void (*bs_rm_2_s) (void *, bus_space_handle_t, bus_size_t,
215 u_int16_t *, bus_size_t);
216 void (*bs_rm_4_s) (void *, bus_space_handle_t,
217 bus_size_t, u_int32_t *, bus_size_t);
218 void (*bs_rm_8_s) (void *, bus_space_handle_t,
219 bus_size_t, u_int64_t *, bus_size_t);
221 /* read region stream */
222 void (*bs_rr_1_s) (void *, bus_space_handle_t,
223 bus_size_t, u_int8_t *, bus_size_t);
224 void (*bs_rr_2_s) (void *, bus_space_handle_t,
225 bus_size_t, u_int16_t *, bus_size_t);
226 void (*bs_rr_4_s) (void *, bus_space_handle_t,
227 bus_size_t, u_int32_t *, bus_size_t);
228 void (*bs_rr_8_s) (void *, bus_space_handle_t,
229 bus_size_t, u_int64_t *, bus_size_t);
231 /* write single stream */
232 void (*bs_w_1_s) (void *, bus_space_handle_t,
233 bus_size_t, u_int8_t);
234 void (*bs_w_2_s) (void *, bus_space_handle_t,
235 bus_size_t, u_int16_t);
236 void (*bs_w_4_s) (void *, bus_space_handle_t,
237 bus_size_t, u_int32_t);
238 void (*bs_w_8_s) (void *, bus_space_handle_t,
239 bus_size_t, u_int64_t);
241 /* write multiple stream */
242 void (*bs_wm_1_s) (void *, bus_space_handle_t,
243 bus_size_t, const u_int8_t *, bus_size_t);
244 void (*bs_wm_2_s) (void *, bus_space_handle_t,
245 bus_size_t, const u_int16_t *, bus_size_t);
246 void (*bs_wm_4_s) (void *, bus_space_handle_t,
247 bus_size_t, const u_int32_t *, bus_size_t);
248 void (*bs_wm_8_s) (void *, bus_space_handle_t,
249 bus_size_t, const u_int64_t *, bus_size_t);
251 /* write region stream */
252 void (*bs_wr_1_s) (void *, bus_space_handle_t,
253 bus_size_t, const u_int8_t *, bus_size_t);
254 void (*bs_wr_2_s) (void *, bus_space_handle_t,
255 bus_size_t, const u_int16_t *, bus_size_t);
256 void (*bs_wr_4_s) (void *, bus_space_handle_t,
257 bus_size_t, const u_int32_t *, bus_size_t);
258 void (*bs_wr_8_s) (void *, bus_space_handle_t,
259 bus_size_t, const u_int64_t *, bus_size_t);
264 * Utility macros; INTERNAL USE ONLY.
266 #define __bs_c(a,b) __CONCAT(a,b)
267 #define __bs_opname(op,size) __bs_c(__bs_c(__bs_c(bs_,op),_),size)
269 #define __bs_rs(sz, t, h, o) \
270 (*(t)->__bs_opname(r,sz))((t)->bs_cookie, h, o)
271 #define __bs_ws(sz, t, h, o, v) \
272 (*(t)->__bs_opname(w,sz))((t)->bs_cookie, h, o, v)
273 #define __bs_nonsingle(type, sz, t, h, o, a, c) \
274 (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, a, c)
275 #define __bs_set(type, sz, t, h, o, v, c) \
276 (*(t)->__bs_opname(type,sz))((t)->bs_cookie, h, o, v, c)
277 #define __bs_copy(sz, t, h1, o1, h2, o2, cnt) \
278 (*(t)->__bs_opname(c,sz))((t)->bs_cookie, h1, o1, h2, o2, cnt)
280 #define __bs_opname_s(op,size) __bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s)
281 #define __bs_rs_s(sz, t, h, o) \
282 (*(t)->__bs_opname_s(r,sz))((t)->bs_cookie, h, o)
283 #define __bs_ws_s(sz, t, h, o, v) \
284 (*(t)->__bs_opname_s(w,sz))((t)->bs_cookie, h, o, v)
285 #define __bs_nonsingle_s(type, sz, t, h, o, a, c) \
286 (*(t)->__bs_opname_s(type,sz))((t)->bs_cookie, h, o, a, c)
290 * Mapping and unmapping operations.
292 #define bus_space_map(t, a, s, c, hp) \
293 (*(t)->bs_map)((t)->bs_cookie, (a), (s), (c), (hp))
294 #define bus_space_unmap(t, h, s) \
295 (*(t)->bs_unmap)((t)->bs_cookie, (h), (s))
296 #define bus_space_subregion(t, h, o, s, hp) \
297 (*(t)->bs_subregion)((t)->bs_cookie, (h), (o), (s), (hp))
301 * Allocation and deallocation operations.
303 #define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp) \
304 (*(t)->bs_alloc)((t)->bs_cookie, (rs), (re), (s), (a), (b), \
306 #define bus_space_free(t, h, s) \
307 (*(t)->bs_free)((t)->bs_cookie, (h), (s))
310 * Bus barrier operations.
312 #define bus_space_barrier(t, h, o, l, f) \
313 (*(t)->bs_barrier)((t)->bs_cookie, (h), (o), (l), (f))
318 * Bus read (single) operations.
320 #define bus_space_read_1(t, h, o) __bs_rs(1,(t),(h),(o))
321 #define bus_space_read_2(t, h, o) __bs_rs(2,(t),(h),(o))
322 #define bus_space_read_4(t, h, o) __bs_rs(4,(t),(h),(o))
323 #define bus_space_read_8(t, h, o) __bs_rs(8,(t),(h),(o))
325 #define bus_space_read_stream_1(t, h, o) __bs_rs_s(1,(t), (h), (o))
326 #define bus_space_read_stream_2(t, h, o) __bs_rs_s(2,(t), (h), (o))
327 #define bus_space_read_stream_4(t, h, o) __bs_rs_s(4,(t), (h), (o))
328 #define bus_space_read_stream_8(t, h, o) __bs_rs_s(8,(t), (h), (o))
331 * Bus read multiple operations.
333 #define bus_space_read_multi_1(t, h, o, a, c) \
334 __bs_nonsingle(rm,1,(t),(h),(o),(a),(c))
335 #define bus_space_read_multi_2(t, h, o, a, c) \
336 __bs_nonsingle(rm,2,(t),(h),(o),(a),(c))
337 #define bus_space_read_multi_4(t, h, o, a, c) \
338 __bs_nonsingle(rm,4,(t),(h),(o),(a),(c))
339 #define bus_space_read_multi_8(t, h, o, a, c) \
340 __bs_nonsingle(rm,8,(t),(h),(o),(a),(c))
342 #define bus_space_read_multi_stream_1(t, h, o, a, c) \
343 __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c))
344 #define bus_space_read_multi_stream_2(t, h, o, a, c) \
345 __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c))
346 #define bus_space_read_multi_stream_4(t, h, o, a, c) \
347 __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c))
348 #define bus_space_read_multi_stream_8(t, h, o, a, c) \
349 __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c))
353 * Bus read region operations.
355 #define bus_space_read_region_1(t, h, o, a, c) \
356 __bs_nonsingle(rr,1,(t),(h),(o),(a),(c))
357 #define bus_space_read_region_2(t, h, o, a, c) \
358 __bs_nonsingle(rr,2,(t),(h),(o),(a),(c))
359 #define bus_space_read_region_4(t, h, o, a, c) \
360 __bs_nonsingle(rr,4,(t),(h),(o),(a),(c))
361 #define bus_space_read_region_8(t, h, o, a, c) \
362 __bs_nonsingle(rr,8,(t),(h),(o),(a),(c))
364 #define bus_space_read_region_stream_1(t, h, o, a, c) \
365 __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c))
366 #define bus_space_read_region_stream_2(t, h, o, a, c) \
367 __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c))
368 #define bus_space_read_region_stream_4(t, h, o, a, c) \
369 __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c))
370 #define bus_space_read_region_stream_8(t, h, o, a, c) \
371 __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c))
375 * Bus write (single) operations.
377 #define bus_space_write_1(t, h, o, v) __bs_ws(1,(t),(h),(o),(v))
378 #define bus_space_write_2(t, h, o, v) __bs_ws(2,(t),(h),(o),(v))
379 #define bus_space_write_4(t, h, o, v) __bs_ws(4,(t),(h),(o),(v))
380 #define bus_space_write_8(t, h, o, v) __bs_ws(8,(t),(h),(o),(v))
382 #define bus_space_write_stream_1(t, h, o, v) __bs_ws_s(1,(t),(h),(o),(v))
383 #define bus_space_write_stream_2(t, h, o, v) __bs_ws_s(2,(t),(h),(o),(v))
384 #define bus_space_write_stream_4(t, h, o, v) __bs_ws_s(4,(t),(h),(o),(v))
385 #define bus_space_write_stream_8(t, h, o, v) __bs_ws_s(8,(t),(h),(o),(v))
389 * Bus write multiple operations.
391 #define bus_space_write_multi_1(t, h, o, a, c) \
392 __bs_nonsingle(wm,1,(t),(h),(o),(a),(c))
393 #define bus_space_write_multi_2(t, h, o, a, c) \
394 __bs_nonsingle(wm,2,(t),(h),(o),(a),(c))
395 #define bus_space_write_multi_4(t, h, o, a, c) \
396 __bs_nonsingle(wm,4,(t),(h),(o),(a),(c))
397 #define bus_space_write_multi_8(t, h, o, a, c) \
398 __bs_nonsingle(wm,8,(t),(h),(o),(a),(c))
400 #define bus_space_write_multi_stream_1(t, h, o, a, c) \
401 __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c))
402 #define bus_space_write_multi_stream_2(t, h, o, a, c) \
403 __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c))
404 #define bus_space_write_multi_stream_4(t, h, o, a, c) \
405 __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c))
406 #define bus_space_write_multi_stream_8(t, h, o, a, c) \
407 __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c))
411 * Bus write region operations.
413 #define bus_space_write_region_1(t, h, o, a, c) \
414 __bs_nonsingle(wr,1,(t),(h),(o),(a),(c))
415 #define bus_space_write_region_2(t, h, o, a, c) \
416 __bs_nonsingle(wr,2,(t),(h),(o),(a),(c))
417 #define bus_space_write_region_4(t, h, o, a, c) \
418 __bs_nonsingle(wr,4,(t),(h),(o),(a),(c))
419 #define bus_space_write_region_8(t, h, o, a, c) \
420 __bs_nonsingle(wr,8,(t),(h),(o),(a),(c))
422 #define bus_space_write_region_stream_1(t, h, o, a, c) \
423 __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c))
424 #define bus_space_write_region_stream_2(t, h, o, a, c) \
425 __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c))
426 #define bus_space_write_region_stream_4(t, h, o, a, c) \
427 __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c))
428 #define bus_space_write_region_stream_8(t, h, o, a, c) \
429 __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c))
433 * Set multiple operations.
435 #define bus_space_set_multi_1(t, h, o, v, c) \
436 __bs_set(sm,1,(t),(h),(o),(v),(c))
437 #define bus_space_set_multi_2(t, h, o, v, c) \
438 __bs_set(sm,2,(t),(h),(o),(v),(c))
439 #define bus_space_set_multi_4(t, h, o, v, c) \
440 __bs_set(sm,4,(t),(h),(o),(v),(c))
441 #define bus_space_set_multi_8(t, h, o, v, c) \
442 __bs_set(sm,8,(t),(h),(o),(v),(c))
446 * Set region operations.
448 #define bus_space_set_region_1(t, h, o, v, c) \
449 __bs_set(sr,1,(t),(h),(o),(v),(c))
450 #define bus_space_set_region_2(t, h, o, v, c) \
451 __bs_set(sr,2,(t),(h),(o),(v),(c))
452 #define bus_space_set_region_4(t, h, o, v, c) \
453 __bs_set(sr,4,(t),(h),(o),(v),(c))
454 #define bus_space_set_region_8(t, h, o, v, c) \
455 __bs_set(sr,8,(t),(h),(o),(v),(c))
461 #define bus_space_copy_region_1(t, h1, o1, h2, o2, c) \
462 __bs_copy(1, t, h1, o1, h2, o2, c)
463 #define bus_space_copy_region_2(t, h1, o1, h2, o2, c) \
464 __bs_copy(2, t, h1, o1, h2, o2, c)
465 #define bus_space_copy_region_4(t, h1, o1, h2, o2, c) \
466 __bs_copy(4, t, h1, o1, h2, o2, c)
467 #define bus_space_copy_region_8(t, h1, o1, h2, o2, c) \
468 __bs_copy(8, t, h1, o1, h2, o2, c)
472 #include <machine/bus_dma.h>
474 #endif /* _MACHINE_BUS_H_ */