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Revise the arm bus_space implementation to avoid dereferencing the tag on
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1 /*      $NetBSD: bus.h,v 1.11 2003/07/28 17:35:54 thorpej Exp $ */
2
3 /*-
4  * Copyright (c) 1996, 1997, 1998, 2001 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
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.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
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.
19  *
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.
31  */
32
33 /*-
34  * Copyright (c) 1996 Charles M. Hannum.  All rights reserved.
35  * Copyright (c) 1996 Christopher G. Demetriou.  All rights reserved.
36  *
37  * Redistribution and use in source and binary forms, with or without
38  * modification, are permitted provided that the following conditions
39  * are met:
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
51  *
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.
62  *
63  * $FreeBSD$
64  */
65
66 #ifndef _MACHINE_BUS_H_
67 #define _MACHINE_BUS_H_
68
69 #include <machine/_bus.h>
70
71 /*
72  *      int bus_space_map  (bus_space_tag_t t, bus_addr_t addr,
73  *          bus_size_t size, int flags, bus_space_handle_t *bshp);
74  *
75  * Map a region of bus space.
76  */
77
78 #define BUS_SPACE_MAP_CACHEABLE         0x01
79 #define BUS_SPACE_MAP_LINEAR            0x02
80 #define BUS_SPACE_MAP_PREFETCHABLE      0x04
81
82 struct bus_space {
83         /* cookie */
84         void            *bs_privdata;
85
86         /* mapping/unmapping */
87         int             (*bs_map) (bus_space_tag_t, bus_addr_t, bus_size_t,
88                             int, bus_space_handle_t *);
89         void            (*bs_unmap) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
90         int             (*bs_subregion) (bus_space_tag_t, bus_space_handle_t,
91                             bus_size_t, bus_size_t, bus_space_handle_t *);
92
93         /* allocation/deallocation */
94         int             (*bs_alloc) (bus_space_tag_t, bus_addr_t, bus_addr_t,
95                             bus_size_t, bus_size_t, bus_size_t, int,
96                             bus_addr_t *, bus_space_handle_t *);
97         void            (*bs_free) (bus_space_tag_t, bus_space_handle_t,
98                             bus_size_t);
99
100         /* get kernel virtual address */
101         /* barrier */
102         void            (*bs_barrier) (bus_space_tag_t, bus_space_handle_t,
103                             bus_size_t, bus_size_t, int);
104
105         /* read (single) */
106         uint8_t         (*bs_r_1) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
107         uint16_t        (*bs_r_2) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
108         uint32_t        (*bs_r_4) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
109         uint64_t        (*bs_r_8) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
110
111         /* read multiple */
112         void            (*bs_rm_1) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
113             uint8_t *, bus_size_t);
114         void            (*bs_rm_2) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
115             uint16_t *, bus_size_t);
116         void            (*bs_rm_4) (bus_space_tag_t, bus_space_handle_t,
117                             bus_size_t, uint32_t *, bus_size_t);
118         void            (*bs_rm_8) (bus_space_tag_t, bus_space_handle_t,
119                             bus_size_t, uint64_t *, bus_size_t);
120                                         
121         /* read region */
122         void            (*bs_rr_1) (bus_space_tag_t, bus_space_handle_t,
123                             bus_size_t, uint8_t *, bus_size_t);
124         void            (*bs_rr_2) (bus_space_tag_t, bus_space_handle_t,
125                             bus_size_t, uint16_t *, bus_size_t);
126         void            (*bs_rr_4) (bus_space_tag_t, bus_space_handle_t,
127                             bus_size_t, uint32_t *, bus_size_t);
128         void            (*bs_rr_8) (bus_space_tag_t, bus_space_handle_t,
129                             bus_size_t, uint64_t *, bus_size_t);
130                                         
131         /* write (single) */
132         void            (*bs_w_1) (bus_space_tag_t, bus_space_handle_t,
133                             bus_size_t, uint8_t);
134         void            (*bs_w_2) (bus_space_tag_t, bus_space_handle_t,
135                             bus_size_t, uint16_t);
136         void            (*bs_w_4) (bus_space_tag_t, bus_space_handle_t,
137                             bus_size_t, uint32_t);
138         void            (*bs_w_8) (bus_space_tag_t, bus_space_handle_t,
139                             bus_size_t, uint64_t);
140
141         /* write multiple */
142         void            (*bs_wm_1) (bus_space_tag_t, bus_space_handle_t,
143                             bus_size_t, const uint8_t *, bus_size_t);
144         void            (*bs_wm_2) (bus_space_tag_t, bus_space_handle_t,
145                             bus_size_t, const uint16_t *, bus_size_t);
146         void            (*bs_wm_4) (bus_space_tag_t, bus_space_handle_t,
147                             bus_size_t, const uint32_t *, bus_size_t);
148         void            (*bs_wm_8) (bus_space_tag_t, bus_space_handle_t,
149                             bus_size_t, const uint64_t *, bus_size_t);
150                                         
151         /* write region */
152         void            (*bs_wr_1) (bus_space_tag_t, bus_space_handle_t,
153                             bus_size_t, const uint8_t *, bus_size_t);
154         void            (*bs_wr_2) (bus_space_tag_t, bus_space_handle_t,
155                             bus_size_t, const uint16_t *, bus_size_t);
156         void            (*bs_wr_4) (bus_space_tag_t, bus_space_handle_t,
157                             bus_size_t, const uint32_t *, bus_size_t);
158         void            (*bs_wr_8) (bus_space_tag_t, bus_space_handle_t,
159                             bus_size_t, const uint64_t *, bus_size_t);
160
161         /* set multiple */
162         void            (*bs_sm_1) (bus_space_tag_t, bus_space_handle_t,
163                             bus_size_t, uint8_t, bus_size_t);
164         void            (*bs_sm_2) (bus_space_tag_t, bus_space_handle_t,
165                             bus_size_t, uint16_t, bus_size_t);
166         void            (*bs_sm_4) (bus_space_tag_t, bus_space_handle_t,
167                             bus_size_t, uint32_t, bus_size_t);
168         void            (*bs_sm_8) (bus_space_tag_t, bus_space_handle_t,
169                             bus_size_t, uint64_t, bus_size_t);
170
171         /* set region */
172         void            (*bs_sr_1) (bus_space_tag_t, bus_space_handle_t,
173                             bus_size_t, uint8_t, bus_size_t);
174         void            (*bs_sr_2) (bus_space_tag_t, bus_space_handle_t,
175                             bus_size_t, uint16_t, bus_size_t);
176         void            (*bs_sr_4) (bus_space_tag_t, bus_space_handle_t,
177                             bus_size_t, uint32_t, bus_size_t);
178         void            (*bs_sr_8) (bus_space_tag_t, bus_space_handle_t,
179                             bus_size_t, uint64_t, bus_size_t);
180
181         /* copy */
182         void            (*bs_c_1) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
183                             bus_space_handle_t, bus_size_t, bus_size_t);
184         void            (*bs_c_2) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
185                             bus_space_handle_t, bus_size_t, bus_size_t);
186         void            (*bs_c_4) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
187                             bus_space_handle_t, bus_size_t, bus_size_t);
188         void            (*bs_c_8) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
189                             bus_space_handle_t, bus_size_t, bus_size_t);
190
191         /* read stream (single) */
192         uint8_t (*bs_r_1_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
193         uint16_t        (*bs_r_2_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
194         uint32_t        (*bs_r_4_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
195         uint64_t        (*bs_r_8_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t);
196
197         /* read multiple stream */
198         void            (*bs_rm_1_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
199             uint8_t *, bus_size_t);
200         void            (*bs_rm_2_s) (bus_space_tag_t, bus_space_handle_t, bus_size_t,
201             uint16_t *, bus_size_t);
202         void            (*bs_rm_4_s) (bus_space_tag_t, bus_space_handle_t,
203                             bus_size_t, uint32_t *, bus_size_t);
204         void            (*bs_rm_8_s) (bus_space_tag_t, bus_space_handle_t,
205                             bus_size_t, uint64_t *, bus_size_t);
206                                         
207         /* read region stream */
208         void            (*bs_rr_1_s) (bus_space_tag_t, bus_space_handle_t,
209                             bus_size_t, uint8_t *, bus_size_t);
210         void            (*bs_rr_2_s) (bus_space_tag_t, bus_space_handle_t,
211                             bus_size_t, uint16_t *, bus_size_t);
212         void            (*bs_rr_4_s) (bus_space_tag_t, bus_space_handle_t,
213                             bus_size_t, uint32_t *, bus_size_t);
214         void            (*bs_rr_8_s) (bus_space_tag_t, bus_space_handle_t,
215                             bus_size_t, uint64_t *, bus_size_t);
216                                         
217         /* write stream (single) */
218         void            (*bs_w_1_s) (bus_space_tag_t, bus_space_handle_t,
219                             bus_size_t, uint8_t);
220         void            (*bs_w_2_s) (bus_space_tag_t, bus_space_handle_t,
221                             bus_size_t, uint16_t);
222         void            (*bs_w_4_s) (bus_space_tag_t, bus_space_handle_t,
223                             bus_size_t, uint32_t);
224         void            (*bs_w_8_s) (bus_space_tag_t, bus_space_handle_t,
225                             bus_size_t, uint64_t);
226
227         /* write multiple stream */
228         void            (*bs_wm_1_s) (bus_space_tag_t, bus_space_handle_t,
229                             bus_size_t, const uint8_t *, bus_size_t);
230         void            (*bs_wm_2_s) (bus_space_tag_t, bus_space_handle_t,
231                             bus_size_t, const uint16_t *, bus_size_t);
232         void            (*bs_wm_4_s) (bus_space_tag_t, bus_space_handle_t,
233                             bus_size_t, const uint32_t *, bus_size_t);
234         void            (*bs_wm_8_s) (bus_space_tag_t, bus_space_handle_t,
235                             bus_size_t, const uint64_t *, bus_size_t);
236                                         
237         /* write region stream */
238         void            (*bs_wr_1_s) (bus_space_tag_t, bus_space_handle_t,
239                             bus_size_t, const uint8_t *, bus_size_t);
240         void            (*bs_wr_2_s) (bus_space_tag_t, bus_space_handle_t,
241                             bus_size_t, const uint16_t *, bus_size_t);
242         void            (*bs_wr_4_s) (bus_space_tag_t, bus_space_handle_t,
243                             bus_size_t, const uint32_t *, bus_size_t);
244         void            (*bs_wr_8_s) (bus_space_tag_t, bus_space_handle_t,
245                             bus_size_t, const uint64_t *, bus_size_t);
246 };
247
248
249 /*
250  * Utility macros; INTERNAL USE ONLY.
251  */
252 #define __bs_c(a,b)             __CONCAT(a,b)
253 #define __bs_opname(op,size)    __bs_c(__bs_c(__bs_c(bs_,op),_),size)
254
255 #define __bs_nonsingle(type, sz, t, h, o, a, c)                         \
256         (*(t)->__bs_opname(type,sz))((t), h, o, a, c)
257 #define __bs_set(type, sz, t, h, o, v, c)                               \
258         (*(t)->__bs_opname(type,sz))((t), h, o, v, c)
259 #define __bs_copy(sz, t, h1, o1, h2, o2, cnt)                           \
260         (*(t)->__bs_opname(c,sz))((t), h1, o1, h2, o2, cnt)
261
262 #define __bs_opname_s(op,size)  __bs_c(__bs_c(__bs_c(__bs_c(bs_,op),_),size),_s)
263 #define __bs_rs_s(sz, t, h, o)                                          \
264         (*(t)->__bs_opname_s(r,sz))((t), h, o)
265 #define __bs_ws_s(sz, t, h, o, v)                                       \
266         (*(t)->__bs_opname_s(w,sz))((t), h, o, v)
267 #define __bs_nonsingle_s(type, sz, t, h, o, a, c)                       \
268         (*(t)->__bs_opname_s(type,sz))((t), h, o, a, c)
269
270
271 #define __generate_inline_bs_rs(IFN, MBR, TYP)                                  \
272         static inline TYP                                               \
273         IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o)      \
274         {                                                               \
275                                                                         \
276                 if (__predict_true(t->MBR == NULL))                     \
277                         return (*(volatile TYP *)(h + o));              \
278                 else                                                    \
279                         return (t->MBR(t, h, o));               \
280         }
281
282 #define __generate_inline_bs_ws(IFN, MBR, TYP)                                  \
283         static inline void                                              \
284         IFN(bus_space_tag_t t, bus_space_handle_t h, bus_size_t o, TYP v)\
285         {                                                               \
286                                                                         \
287                 if (__predict_true(t->MBR == NULL))                     \
288                         *(volatile TYP *)(h + o) = v;                   \
289                 else                                                    \
290                         t->MBR(t, h, o, v);                     \
291         }
292
293 /*
294  * Mapping and unmapping operations.
295  */
296 #define bus_space_map(t, a, s, c, hp)                                   \
297         (*(t)->bs_map)((t), (a), (s), (c), (hp))
298 #define bus_space_unmap(t, h, s)                                        \
299         (*(t)->bs_unmap)((t), (h), (s))
300 #define bus_space_subregion(t, h, o, s, hp)                             \
301         (*(t)->bs_subregion)((t), (h), (o), (s), (hp))
302
303
304 /*
305  * Allocation and deallocation operations.
306  */
307 #define bus_space_alloc(t, rs, re, s, a, b, c, ap, hp)                  \
308         (*(t)->bs_alloc)((t), (rs), (re), (s), (a), (b),        \
309             (c), (ap), (hp))
310 #define bus_space_free(t, h, s)                                         \
311         (*(t)->bs_free)((t), (h), (s))
312
313 /*
314  * Bus barrier operations.
315  */
316 #define bus_space_barrier(t, h, o, l, f)                                \
317         (*(t)->bs_barrier)((t), (h), (o), (l), (f))
318
319 #define BUS_SPACE_BARRIER_READ  0x01
320 #define BUS_SPACE_BARRIER_WRITE 0x02
321
322 /*
323  * Bus read (single) operations.
324  */
325 __generate_inline_bs_rs(bus_space_read_1, bs_r_1, uint8_t);
326 __generate_inline_bs_rs(bus_space_read_2, bs_r_2, uint16_t);
327 __generate_inline_bs_rs(bus_space_read_4, bs_r_4, uint32_t);
328 __generate_inline_bs_rs(bus_space_read_8, bs_r_8, uint64_t);
329
330 __generate_inline_bs_rs(bus_space_read_stream_1, bs_r_1_s, uint8_t);           
331 __generate_inline_bs_rs(bus_space_read_stream_2, bs_r_2_s, uint16_t);          
332 __generate_inline_bs_rs(bus_space_read_stream_4, bs_r_4_s, uint32_t);          
333 __generate_inline_bs_rs(bus_space_read_stream_8, bs_r_8_s, uint64_t);          
334
335 /*
336  * Bus read multiple operations.
337  */
338 #define bus_space_read_multi_1(t, h, o, a, c)                           \
339         __bs_nonsingle(rm,1,(t),(h),(o),(a),(c))
340 #define bus_space_read_multi_2(t, h, o, a, c)                           \
341         __bs_nonsingle(rm,2,(t),(h),(o),(a),(c))
342 #define bus_space_read_multi_4(t, h, o, a, c)                           \
343         __bs_nonsingle(rm,4,(t),(h),(o),(a),(c))
344 #define bus_space_read_multi_8(t, h, o, a, c)                           \
345         __bs_nonsingle(rm,8,(t),(h),(o),(a),(c))
346
347 #define bus_space_read_multi_stream_1(t, h, o, a, c)                    \
348         __bs_nonsingle_s(rm,1,(t),(h),(o),(a),(c))
349 #define bus_space_read_multi_stream_2(t, h, o, a, c)                    \
350         __bs_nonsingle_s(rm,2,(t),(h),(o),(a),(c))
351 #define bus_space_read_multi_stream_4(t, h, o, a, c)                    \
352         __bs_nonsingle_s(rm,4,(t),(h),(o),(a),(c))
353 #define bus_space_read_multi_stream_8(t, h, o, a, c)                    \
354         __bs_nonsingle_s(rm,8,(t),(h),(o),(a),(c))
355
356
357 /*
358  * Bus read region operations.
359  */
360 #define bus_space_read_region_1(t, h, o, a, c)                          \
361         __bs_nonsingle(rr,1,(t),(h),(o),(a),(c))
362 #define bus_space_read_region_2(t, h, o, a, c)                          \
363         __bs_nonsingle(rr,2,(t),(h),(o),(a),(c))
364 #define bus_space_read_region_4(t, h, o, a, c)                          \
365         __bs_nonsingle(rr,4,(t),(h),(o),(a),(c))
366 #define bus_space_read_region_8(t, h, o, a, c)                          \
367         __bs_nonsingle(rr,8,(t),(h),(o),(a),(c))
368
369 #define bus_space_read_region_stream_1(t, h, o, a, c)                   \
370         __bs_nonsingle_s(rr,1,(t),(h),(o),(a),(c))
371 #define bus_space_read_region_stream_2(t, h, o, a, c)                   \
372         __bs_nonsingle_s(rr,2,(t),(h),(o),(a),(c))
373 #define bus_space_read_region_stream_4(t, h, o, a, c)                   \
374         __bs_nonsingle_s(rr,4,(t),(h),(o),(a),(c))
375 #define bus_space_read_region_stream_8(t, h, o, a, c)                   \
376         __bs_nonsingle_s(rr,8,(t),(h),(o),(a),(c))
377
378
379 /*
380  * Bus write (single) operations.
381  */
382 __generate_inline_bs_ws(bus_space_write_1, bs_w_1, uint8_t);
383 __generate_inline_bs_ws(bus_space_write_2, bs_w_2, uint16_t);
384 __generate_inline_bs_ws(bus_space_write_4, bs_w_4, uint32_t);
385 __generate_inline_bs_ws(bus_space_write_8, bs_w_8, uint64_t);
386
387 __generate_inline_bs_ws(bus_space_write_stream_1, bs_w_1_s, uint8_t);           
388 __generate_inline_bs_ws(bus_space_write_stream_2, bs_w_2_s, uint16_t);          
389 __generate_inline_bs_ws(bus_space_write_stream_4, bs_w_4_s, uint32_t);          
390 __generate_inline_bs_ws(bus_space_write_stream_8, bs_w_8_s, uint64_t);          
391
392
393 /*
394  * Bus write multiple operations.
395  */
396 #define bus_space_write_multi_1(t, h, o, a, c)                          \
397         __bs_nonsingle(wm,1,(t),(h),(o),(a),(c))
398 #define bus_space_write_multi_2(t, h, o, a, c)                          \
399         __bs_nonsingle(wm,2,(t),(h),(o),(a),(c))
400 #define bus_space_write_multi_4(t, h, o, a, c)                          \
401         __bs_nonsingle(wm,4,(t),(h),(o),(a),(c))
402 #define bus_space_write_multi_8(t, h, o, a, c)                          \
403         __bs_nonsingle(wm,8,(t),(h),(o),(a),(c))
404
405 #define bus_space_write_multi_stream_1(t, h, o, a, c)                   \
406         __bs_nonsingle_s(wm,1,(t),(h),(o),(a),(c))
407 #define bus_space_write_multi_stream_2(t, h, o, a, c)                   \
408         __bs_nonsingle_s(wm,2,(t),(h),(o),(a),(c))
409 #define bus_space_write_multi_stream_4(t, h, o, a, c)                   \
410         __bs_nonsingle_s(wm,4,(t),(h),(o),(a),(c))
411 #define bus_space_write_multi_stream_8(t, h, o, a, c)                   \
412         __bs_nonsingle_s(wm,8,(t),(h),(o),(a),(c))
413
414
415 /*
416  * Bus write region operations.
417  */
418 #define bus_space_write_region_1(t, h, o, a, c)                         \
419         __bs_nonsingle(wr,1,(t),(h),(o),(a),(c))
420 #define bus_space_write_region_2(t, h, o, a, c)                         \
421         __bs_nonsingle(wr,2,(t),(h),(o),(a),(c))
422 #define bus_space_write_region_4(t, h, o, a, c)                         \
423         __bs_nonsingle(wr,4,(t),(h),(o),(a),(c))
424 #define bus_space_write_region_8(t, h, o, a, c)                         \
425         __bs_nonsingle(wr,8,(t),(h),(o),(a),(c))
426
427 #define bus_space_write_region_stream_1(t, h, o, a, c)                  \
428         __bs_nonsingle_s(wr,1,(t),(h),(o),(a),(c))
429 #define bus_space_write_region_stream_2(t, h, o, a, c)                  \
430         __bs_nonsingle_s(wr,2,(t),(h),(o),(a),(c))
431 #define bus_space_write_region_stream_4(t, h, o, a, c)                  \
432         __bs_nonsingle_s(wr,4,(t),(h),(o),(a),(c))
433 #define bus_space_write_region_stream_8(t, h, o, a, c)                  \
434         __bs_nonsingle_s(wr,8,(t),(h),(o),(a),(c))
435
436
437 /*
438  * Set multiple operations.
439  */
440 #define bus_space_set_multi_1(t, h, o, v, c)                            \
441         __bs_set(sm,1,(t),(h),(o),(v),(c))
442 #define bus_space_set_multi_2(t, h, o, v, c)                            \
443         __bs_set(sm,2,(t),(h),(o),(v),(c))
444 #define bus_space_set_multi_4(t, h, o, v, c)                            \
445         __bs_set(sm,4,(t),(h),(o),(v),(c))
446 #define bus_space_set_multi_8(t, h, o, v, c)                            \
447         __bs_set(sm,8,(t),(h),(o),(v),(c))
448
449
450 /*
451  * Set region operations.
452  */
453 #define bus_space_set_region_1(t, h, o, v, c)                           \
454         __bs_set(sr,1,(t),(h),(o),(v),(c))
455 #define bus_space_set_region_2(t, h, o, v, c)                           \
456         __bs_set(sr,2,(t),(h),(o),(v),(c))
457 #define bus_space_set_region_4(t, h, o, v, c)                           \
458         __bs_set(sr,4,(t),(h),(o),(v),(c))
459 #define bus_space_set_region_8(t, h, o, v, c)                           \
460         __bs_set(sr,8,(t),(h),(o),(v),(c))
461
462
463 /*
464  * Copy operations.
465  */
466 #define bus_space_copy_region_1(t, h1, o1, h2, o2, c)                           \
467         __bs_copy(1, t, h1, o1, h2, o2, c)
468 #define bus_space_copy_region_2(t, h1, o1, h2, o2, c)                           \
469         __bs_copy(2, t, h1, o1, h2, o2, c)
470 #define bus_space_copy_region_4(t, h1, o1, h2, o2, c)                           \
471         __bs_copy(4, t, h1, o1, h2, o2, c)
472 #define bus_space_copy_region_8(t, h1, o1, h2, o2, c)                           \
473         __bs_copy(8, t, h1, o1, h2, o2, c)
474
475 /*
476  * Macros to provide prototypes for all the functions used in the
477  * bus_space structure
478  */
479
480 #define bs_map_proto(f)                                                 \
481 int     __bs_c(f,_bs_map) (bus_space_tag_t t, bus_addr_t addr,          \
482             bus_size_t size, int cacheable, bus_space_handle_t *bshp);
483
484 #define bs_unmap_proto(f)                                               \
485 void    __bs_c(f,_bs_unmap) (bus_space_tag_t t, bus_space_handle_t bsh,         \
486             bus_size_t size);
487
488 #define bs_subregion_proto(f)                                           \
489 int     __bs_c(f,_bs_subregion) (bus_space_tag_t t, bus_space_handle_t bsh,     \
490             bus_size_t offset, bus_size_t size,                         \
491             bus_space_handle_t *nbshp);
492
493 #define bs_alloc_proto(f)                                               \
494 int     __bs_c(f,_bs_alloc) (bus_space_tag_t t, bus_addr_t rstart,              \
495             bus_addr_t rend, bus_size_t size, bus_size_t align,         \
496             bus_size_t boundary, int cacheable, bus_addr_t *addrp,      \
497             bus_space_handle_t *bshp);
498
499 #define bs_free_proto(f)                                                \
500 void    __bs_c(f,_bs_free) (bus_space_tag_t t, bus_space_handle_t bsh,  \
501             bus_size_t size);
502
503 #define bs_mmap_proto(f)                                                \
504 int     __bs_c(f,_bs_mmap) (struct cdev *, vm_offset_t, vm_paddr_t *, int);
505
506 #define bs_barrier_proto(f)                                             \
507 void    __bs_c(f,_bs_barrier) (bus_space_tag_t t, bus_space_handle_t bsh,       \
508             bus_size_t offset, bus_size_t len, int flags);
509
510 #define bs_r_1_proto(f)                                                 \
511 uint8_t __bs_c(f,_bs_r_1) (bus_space_tag_t t, bus_space_handle_t bsh,   \
512                     bus_size_t offset);
513
514 #define bs_r_2_proto(f)                                                 \
515 uint16_t        __bs_c(f,_bs_r_2) (bus_space_tag_t t, bus_space_handle_t bsh,   \
516                     bus_size_t offset);
517
518 #define bs_r_4_proto(f)                                                 \
519 uint32_t        __bs_c(f,_bs_r_4) (bus_space_tag_t t, bus_space_handle_t bsh,   \
520                     bus_size_t offset);
521
522 #define bs_r_8_proto(f)                                                 \
523 uint64_t        __bs_c(f,_bs_r_8) (bus_space_tag_t t, bus_space_handle_t bsh,   \
524                     bus_size_t offset);
525
526 #define bs_r_1_s_proto(f)                                               \
527 uint8_t __bs_c(f,_bs_r_1_s) (bus_space_tag_t t, bus_space_handle_t bsh, \
528                     bus_size_t offset);
529
530 #define bs_r_2_s_proto(f)                                               \
531 uint16_t        __bs_c(f,_bs_r_2_s) (bus_space_tag_t t, bus_space_handle_t bsh, \
532                     bus_size_t offset);
533
534 #define bs_r_4_s_proto(f)                                               \
535 uint32_t        __bs_c(f,_bs_r_4_s) (bus_space_tag_t t, bus_space_handle_t bsh, \
536                     bus_size_t offset);
537
538 #define bs_w_1_proto(f)                                                 \
539 void    __bs_c(f,_bs_w_1) (bus_space_tag_t t, bus_space_handle_t bsh,           \
540             bus_size_t offset, uint8_t value);
541
542 #define bs_w_2_proto(f)                                                 \
543 void    __bs_c(f,_bs_w_2) (bus_space_tag_t t, bus_space_handle_t bsh,           \
544             bus_size_t offset, uint16_t value);
545
546 #define bs_w_4_proto(f)                                                 \
547 void    __bs_c(f,_bs_w_4) (bus_space_tag_t t, bus_space_handle_t bsh,           \
548             bus_size_t offset, uint32_t value);
549
550 #define bs_w_8_proto(f)                                                 \
551 void    __bs_c(f,_bs_w_8) (bus_space_tag_t t, bus_space_handle_t bsh,           \
552             bus_size_t offset, uint64_t value);
553
554 #define bs_w_1_s_proto(f)                                               \
555 void    __bs_c(f,_bs_w_1_s) (bus_space_tag_t t, bus_space_handle_t bsh,         \
556             bus_size_t offset, uint8_t value);
557
558 #define bs_w_2_s_proto(f)                                               \
559 void    __bs_c(f,_bs_w_2_s) (bus_space_tag_t t, bus_space_handle_t bsh,         \
560             bus_size_t offset, uint16_t value);
561
562 #define bs_w_4_s_proto(f)                                               \
563 void    __bs_c(f,_bs_w_4_s) (bus_space_tag_t t, bus_space_handle_t bsh,         \
564             bus_size_t offset, uint32_t value);
565
566 #define bs_rm_1_proto(f)                                                \
567 void    __bs_c(f,_bs_rm_1) (bus_space_tag_t t, bus_space_handle_t bsh,  \
568             bus_size_t offset, uint8_t *addr, bus_size_t count);
569
570 #define bs_rm_2_proto(f)                                                \
571 void    __bs_c(f,_bs_rm_2) (bus_space_tag_t t, bus_space_handle_t bsh,  \
572             bus_size_t offset, uint16_t *addr, bus_size_t count);
573
574 #define bs_rm_4_proto(f)                                                \
575 void    __bs_c(f,_bs_rm_4) (bus_space_tag_t t, bus_space_handle_t bsh,  \
576             bus_size_t offset, uint32_t *addr, bus_size_t count);               
577
578 #define bs_rm_8_proto(f)                                                \
579 void    __bs_c(f,_bs_rm_8) (bus_space_tag_t t, bus_space_handle_t bsh,  \
580             bus_size_t offset, uint64_t *addr, bus_size_t count);
581
582 #define bs_wm_1_proto(f)                                                \
583 void    __bs_c(f,_bs_wm_1) (bus_space_tag_t t, bus_space_handle_t bsh,  \
584             bus_size_t offset, const uint8_t *addr, bus_size_t count);
585
586 #define bs_wm_2_proto(f)                                                \
587 void    __bs_c(f,_bs_wm_2) (bus_space_tag_t t, bus_space_handle_t bsh,  \
588             bus_size_t offset, const uint16_t *addr, bus_size_t count);
589
590 #define bs_wm_4_proto(f)                                                \
591 void    __bs_c(f,_bs_wm_4) (bus_space_tag_t t, bus_space_handle_t bsh,  \
592             bus_size_t offset, const uint32_t *addr, bus_size_t count);
593
594 #define bs_wm_8_proto(f)                                                \
595 void    __bs_c(f,_bs_wm_8) (bus_space_tag_t t, bus_space_handle_t bsh,  \
596             bus_size_t offset, const uint64_t *addr, bus_size_t count);
597
598 #define bs_rr_1_proto(f)                                                \
599 void    __bs_c(f, _bs_rr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \
600             bus_size_t offset, uint8_t *addr, bus_size_t count);
601
602 #define bs_rr_2_proto(f)                                                \
603 void    __bs_c(f, _bs_rr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \
604             bus_size_t offset, uint16_t *addr, bus_size_t count);
605
606 #define bs_rr_4_proto(f)                                                \
607 void    __bs_c(f, _bs_rr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \
608             bus_size_t offset, uint32_t *addr, bus_size_t count);
609
610 #define bs_rr_8_proto(f)                                                \
611 void    __bs_c(f, _bs_rr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \
612             bus_size_t offset, uint64_t *addr, bus_size_t count);
613
614 #define bs_wr_1_proto(f)                                                \
615 void    __bs_c(f, _bs_wr_1) (bus_space_tag_t t, bus_space_handle_t bsh, \
616             bus_size_t offset, const uint8_t *addr, bus_size_t count);
617
618 #define bs_wr_2_proto(f)                                                \
619 void    __bs_c(f, _bs_wr_2) (bus_space_tag_t t, bus_space_handle_t bsh, \
620             bus_size_t offset, const uint16_t *addr, bus_size_t count);
621
622 #define bs_wr_4_proto(f)                                                \
623 void    __bs_c(f, _bs_wr_4) (bus_space_tag_t t, bus_space_handle_t bsh, \
624             bus_size_t offset, const uint32_t *addr, bus_size_t count);
625
626 #define bs_wr_8_proto(f)                                                \
627 void    __bs_c(f, _bs_wr_8) (bus_space_tag_t t, bus_space_handle_t bsh, \
628             bus_size_t offset, const uint64_t *addr, bus_size_t count);
629
630 #define bs_sm_1_proto(f)                                                \
631 void    __bs_c(f,_bs_sm_1) (bus_space_tag_t t, bus_space_handle_t bsh,  \
632             bus_size_t offset, uint8_t value, bus_size_t count);
633
634 #define bs_sm_2_proto(f)                                                \
635 void    __bs_c(f,_bs_sm_2) (bus_space_tag_t t, bus_space_handle_t bsh,  \
636             bus_size_t offset, uint16_t value, bus_size_t count);
637
638 #define bs_sm_4_proto(f)                                                \
639 void    __bs_c(f,_bs_sm_4) (bus_space_tag_t t, bus_space_handle_t bsh,  \
640             bus_size_t offset, uint32_t value, bus_size_t count);
641
642 #define bs_sm_8_proto(f)                                                \
643 void    __bs_c(f,_bs_sm_8) (bus_space_tag_t t, bus_space_handle_t bsh,  \
644             bus_size_t offset, uint64_t value, bus_size_t count);
645
646 #define bs_sr_1_proto(f)                                                \
647 void    __bs_c(f,_bs_sr_1) (bus_space_tag_t t, bus_space_handle_t bsh,  \
648             bus_size_t offset, uint8_t value, bus_size_t count);
649
650 #define bs_sr_2_proto(f)                                                \
651 void    __bs_c(f,_bs_sr_2) (bus_space_tag_t t, bus_space_handle_t bsh,  \
652             bus_size_t offset, uint16_t value, bus_size_t count);
653
654 #define bs_sr_4_proto(f)                                                \
655 void    __bs_c(f,_bs_sr_4) (bus_space_tag_t t, bus_space_handle_t bsh,  \
656             bus_size_t offset, uint32_t value, bus_size_t count);
657
658 #define bs_sr_8_proto(f)                                                \
659 void    __bs_c(f,_bs_sr_8) (bus_space_tag_t t, bus_space_handle_t bsh,  \
660             bus_size_t offset, uint64_t value, bus_size_t count);
661
662 #define bs_c_1_proto(f)                                                 \
663 void    __bs_c(f,_bs_c_1) (bus_space_tag_t t, bus_space_handle_t bsh1,  \
664             bus_size_t offset1, bus_space_handle_t bsh2,                \
665             bus_size_t offset2, bus_size_t count);
666
667 #define bs_c_2_proto(f)                                                 \
668 void    __bs_c(f,_bs_c_2) (bus_space_tag_t t, bus_space_handle_t bsh1,  \
669             bus_size_t offset1, bus_space_handle_t bsh2,                \
670             bus_size_t offset2, bus_size_t count);
671
672 #define bs_c_4_proto(f)                                                 \
673 void    __bs_c(f,_bs_c_4) (bus_space_tag_t t, bus_space_handle_t bsh1,  \
674             bus_size_t offset1, bus_space_handle_t bsh2,                \
675             bus_size_t offset2, bus_size_t count);
676
677 #define bs_c_8_proto(f)                                                 \
678 void    __bs_c(f,_bs_c_8) (bus_space_tag_t t, bus_space_handle_t bsh1,  \
679             bus_size_t offset1, bus_space_handle_t bsh2,                \
680             bus_size_t offset2, bus_size_t count);
681
682 #define bs_protos(f)            \
683 bs_map_proto(f);                \
684 bs_unmap_proto(f);              \
685 bs_subregion_proto(f);          \
686 bs_alloc_proto(f);              \
687 bs_free_proto(f);               \
688 bs_mmap_proto(f);               \
689 bs_barrier_proto(f);            \
690 bs_r_1_proto(f);                \
691 bs_r_2_proto(f);                \
692 bs_r_4_proto(f);                \
693 bs_r_8_proto(f);                \
694 bs_r_1_s_proto(f);              \
695 bs_r_2_s_proto(f);              \
696 bs_r_4_s_proto(f);              \
697 bs_w_1_proto(f);                \
698 bs_w_2_proto(f);                \
699 bs_w_4_proto(f);                \
700 bs_w_8_proto(f);                \
701 bs_w_1_s_proto(f);              \
702 bs_w_2_s_proto(f);              \
703 bs_w_4_s_proto(f);              \
704 bs_rm_1_proto(f);               \
705 bs_rm_2_proto(f);               \
706 bs_rm_4_proto(f);               \
707 bs_rm_8_proto(f);               \
708 bs_wm_1_proto(f);               \
709 bs_wm_2_proto(f);               \
710 bs_wm_4_proto(f);               \
711 bs_wm_8_proto(f);               \
712 bs_rr_1_proto(f);               \
713 bs_rr_2_proto(f);               \
714 bs_rr_4_proto(f);               \
715 bs_rr_8_proto(f);               \
716 bs_wr_1_proto(f);               \
717 bs_wr_2_proto(f);               \
718 bs_wr_4_proto(f);               \
719 bs_wr_8_proto(f);               \
720 bs_sm_1_proto(f);               \
721 bs_sm_2_proto(f);               \
722 bs_sm_4_proto(f);               \
723 bs_sm_8_proto(f);               \
724 bs_sr_1_proto(f);               \
725 bs_sr_2_proto(f);               \
726 bs_sr_4_proto(f);               \
727 bs_sr_8_proto(f);               \
728 bs_c_1_proto(f);                \
729 bs_c_2_proto(f);                \
730 bs_c_4_proto(f);                \
731 bs_c_8_proto(f);
732
733 #define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
734
735 #define BUS_SPACE_MAXADDR_24BIT 0xFFFFFF
736 #define BUS_SPACE_MAXADDR_32BIT 0xFFFFFFFF
737 #define BUS_SPACE_MAXADDR       0xFFFFFFFF
738 #define BUS_SPACE_MAXSIZE_24BIT 0xFFFFFF
739 #define BUS_SPACE_MAXSIZE_32BIT 0xFFFFFFFF
740 #define BUS_SPACE_MAXSIZE       0xFFFFFFFF
741
742 #define BUS_SPACE_UNRESTRICTED  (~0)
743
744 #include <machine/bus_dma.h>
745
746 /*
747  * Get the physical address of a bus space memory-mapped resource.
748  * Doing this as a macro is a temporary solution until a more robust fix is
749  * designed.  It also serves to mark the locations needing that fix.
750  */
751 #define BUS_SPACE_PHYSADDR(res, offs) \
752         ((u_int)(rman_get_start(res)+(offs)))
753
754 #endif /* _MACHINE_BUS_H_ */