compiler.h@ 81245

最後變更在這個檔案從81245是 54163,由 vboxsync 提交於 10 年前
Additions/x11/vboxvideo: support X.Org Server 1.17 (still untested).
屬性 svn:eol-style 設為 `native`
檔案大小: 32.9 KB

行
1	/*
2	* Copyright 1990,91 by Thomas Roell, Dinkelscherben, Germany.
3	*
4	* Permission to use, copy, modify, distribute, and sell this software and its
5	* documentation for any purpose is hereby granted without fee, provided that
6	* the above copyright notice appear in all copies and that both that
7	* copyright notice and this permission notice appear in supporting
8	* documentation, and that the name of Thomas Roell not be used in
9	* advertising or publicity pertaining to distribution of the software without
10	* specific, written prior permission. Thomas Roell makes no representations
11	* about the suitability of this software for any purpose. It is provided
12	* "as is" without express or implied warranty.
13	*
14	* THOMAS ROELL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
15	* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
16	* EVENT SHALL THOMAS ROELL BE LIABLE FOR ANY SPECIAL, INDIRECT OR
17	* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
18	* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
19	* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
20	* PERFORMANCE OF THIS SOFTWARE.
21	*
22	*/
23	/*
24	* Copyright (c) 1994-2003 by The XFree86 Project, Inc.
25	*
26	* Permission is hereby granted, free of charge, to any person obtaining a
27	* copy of this software and associated documentation files (the "Software"),
28	* to deal in the Software without restriction, including without limitation
29	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
30	* and/or sell copies of the Software, and to permit persons to whom the
31	* Software is furnished to do so, subject to the following conditions:
32	*
33	* The above copyright notice and this permission notice shall be included in
34	* all copies or substantial portions of the Software.
35	*
36	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
37	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
38	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
39	* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
40	* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
41	* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
42	* OTHER DEALINGS IN THE SOFTWARE.
43	*
44	* Except as contained in this notice, the name of the copyright holder(s)
45	* and author(s) shall not be used in advertising or otherwise to promote
46	* the sale, use or other dealings in this Software without prior written
47	* authorization from the copyright holder(s) and author(s).
48	*/
49
50	#ifndef _COMPILER_H
51
52	#define _COMPILER_H
53
54	#if defined(__SUNPRO_C)
55	#define DO_PROTOTYPES
56	#endif
57
58	/* Map Sun compiler platform defines to gcc-style used in the code */
59	#if defined(__amd64) && !defined(__amd64__)
60	#define __amd64__
61	#endif
62	#if defined(__i386) && !defined(__i386__)
63	#define __i386__
64	#endif
65	#if defined(__sparc) && !defined(__sparc__)
66	#define __sparc__
67	#endif
68	#if defined(__sparcv9) && !defined(__sparc64__)
69	#define __sparc64__
70	#endif
71
72	#ifndef _X_EXPORT
73	#include <X11/Xfuncproto.h>
74	#endif
75
76	#include <pixman.h> /* for uint_t types /
77
78	/* Allow drivers to use the GCC-supported __inline__ and/or __inline. */
79	#ifndef __inline__
80	#if defined(__GNUC__)
81	/* gcc has __inline__ */
82	#else
83	#define __inline__ /**/
84	#endif
85	#endif /* __inline__ */
86	#ifndef __inline
87	#if defined(__GNUC__)
88	/* gcc has __inline */
89	#else
90	#define __inline /**/
91	#endif
92	#endif /* __inline */
93	/* Support gcc's __FUNCTION__ for people using other compilers */
94	#if !defined(__GNUC__) && !defined(__FUNCTION__)
95	#define __FUNCTION__ __func__ /* C99 */
96	#endif
97
98	#if defined(DO_PROTOTYPES)
99	#if !defined(__arm__)
100	#if !defined(__sparc__) && !defined(__arm32__) && !defined(__nds32__) \
101	&& !(defined(__alpha__) && defined(linux)) \
102	&& !(defined(__ia64__) && defined(linux)) \
103	&& !(defined(__mips64) && defined(linux)) \
104
105	extern _X_EXPORT void outb(unsigned short, unsigned char);
106	extern _X_EXPORT void outw(unsigned short, unsigned short);
107	extern _X_EXPORT void outl(unsigned short, unsigned int);
108	extern _X_EXPORT unsigned int inb(unsigned short);
109	extern _X_EXPORT unsigned int inw(unsigned short);
110	extern _X_EXPORT unsigned int inl(unsigned short);
111
112	#else /* __sparc__, __arm32__, __alpha__, __nds32__ */
113	extern _X_EXPORT void outb(unsigned long, unsigned char);
114	extern _X_EXPORT void outw(unsigned long, unsigned short);
115	extern _X_EXPORT void outl(unsigned long, unsigned int);
116	extern _X_EXPORT unsigned int inb(unsigned long);
117	extern _X_EXPORT unsigned int inw(unsigned long);
118	extern _X_EXPORT unsigned int inl(unsigned long);
119
120	#ifdef __SUNPRO_C
121	extern _X_EXPORT unsigned char xf86ReadMmio8 (void *, unsigned long);
122	extern _X_EXPORT unsigned short xf86ReadMmio16Be (void *, unsigned long);
123	extern _X_EXPORT unsigned short xf86ReadMmio16Le (void *, unsigned long);
124	extern _X_EXPORT unsigned int xf86ReadMmio32Be (void *, unsigned long);
125	extern _X_EXPORT unsigned int xf86ReadMmio32Le (void *, unsigned long);
126	extern _X_EXPORT void xf86WriteMmio8 (void *, unsigned long, unsigned int);
127	extern _X_EXPORT void xf86WriteMmio16Be (void *, unsigned long, unsigned int);
128	extern _X_EXPORT void xf86WriteMmio16Le (void *, unsigned long, unsigned int);
129	extern _X_EXPORT void xf86WriteMmio32Be (void *, unsigned long, unsigned int);
130	extern _X_EXPORT void xf86WriteMmio32Le (void *, unsigned long, unsigned int);
131	#endif /* _SUNPRO_C */
132	#endif /* __sparc__, __arm32__, __alpha__, __nds32__ */
133	#endif /* __arm__ */
134
135	#endif /* NO_INLINE \|\| DO_PROTOTYPES */
136
137	#ifdef __GNUC__
138	#ifdef __i386__
139
140	#ifdef __SSE__
141	#define write_mem_barrier() __asm__ __volatile__ ("sfence" : : : "memory")
142	#else
143	#define write_mem_barrier() __asm__ __volatile__ ("lock; addl $0,0(%%esp)" : : : "memory")
144	#endif
145
146	#ifdef __SSE2__
147	#define mem_barrier() __asm__ __volatile__ ("mfence" : : : "memory")
148	#else
149	#define mem_barrier() __asm__ __volatile__ ("lock; addl $0,0(%%esp)" : : : "memory")
150	#endif
151
152	#elif defined __alpha__
153
154	#define mem_barrier() __asm__ __volatile__ ("mb" : : : "memory")
155	#define write_mem_barrier() __asm__ __volatile__ ("wmb" : : : "memory")
156
157	#elif defined __amd64__
158
159	#define mem_barrier() __asm__ __volatile__ ("mfence" : : : "memory")
160	#define write_mem_barrier() __asm__ __volatile__ ("sfence" : : : "memory")
161
162	#elif defined __ia64__
163
164	#ifndef __INTEL_COMPILER
165	#define mem_barrier() __asm__ __volatile__ ("mf" : : : "memory")
166	#define write_mem_barrier() __asm__ __volatile__ ("mf" : : : "memory")
167	#else
168	#include "ia64intrin.h"
169	#define mem_barrier() __mf()
170	#define write_mem_barrier() __mf()
171	#endif
172
173	#elif defined __mips__
174	/* Note: sync instruction requires MIPS II instruction set */
175	#define mem_barrier() \
176	__asm__ __volatile__( \
177	".set push\n\t" \
178	".set noreorder\n\t" \
179	".set mips2\n\t" \
180	"sync\n\t" \
181	".set pop" \
182	: /* no output */ \
183	: /* no input */ \
184	: "memory")
185	#define write_mem_barrier() mem_barrier()
186
187	#elif defined __powerpc__
188
189	#ifndef eieio
190	#define eieio() __asm__ __volatile__ ("eieio" ::: "memory")
191	#endif /* eieio */
192	#define mem_barrier() eieio()
193	#define write_mem_barrier() eieio()
194
195	#elif defined __sparc__
196
197	#define barrier() __asm__ __volatile__ (".word 0x8143e00a" : : : "memory")
198	#define mem_barrier() /* XXX: nop for now */
199	#define write_mem_barrier() /* XXX: nop for now */
200	#endif
201	#endif /* __GNUC__ */
202
203	#ifndef barrier
204	#define barrier()
205	#endif
206
207	#ifndef mem_barrier
208	#define mem_barrier() /* NOP */
209	#endif
210
211	#ifndef write_mem_barrier
212	#define write_mem_barrier() /* NOP */
213	#endif
214
215	#ifdef __GNUC__
216	#if defined(__alpha__)
217
218	#ifdef linux
219	/* for Linux on Alpha, we use the LIBC _inx/_outx routines */
220	/* note that the appropriate setup via "ioperm" needs to be done */
221	/* before any inx/outx is done. */
222
223	extern _X_EXPORT void _outb(unsigned char val, unsigned long port);
224	extern _X_EXPORT void _outw(unsigned short val, unsigned long port);
225	extern _X_EXPORT void _outl(unsigned int val, unsigned long port);
226	extern _X_EXPORT unsigned int _inb(unsigned long port);
227	extern _X_EXPORT unsigned int _inw(unsigned long port);
228	extern _X_EXPORT unsigned int _inl(unsigned long port);
229
230	static __inline__ void
231	outb(unsigned long port, unsigned char val)
232	{
233	_outb(val, port);
234	}
235
236	static __inline__ void
237	outw(unsigned long port, unsigned short val)
238	{
239	_outw(val, port);
240	}
241
242	static __inline__ void
243	outl(unsigned long port, unsigned int val)
244	{
245	_outl(val, port);
246	}
247
248	static __inline__ unsigned int
249	inb(unsigned long port)
250	{
251	return _inb(port);
252	}
253
254	static __inline__ unsigned int
255	inw(unsigned long port)
256	{
257	return _inw(port);
258	}
259
260	static __inline__ unsigned int
261	inl(unsigned long port)
262	{
263	return _inl(port);
264	}
265
266	#endif /* linux */
267
268	#if (defined(__FreeBSD__) \|\| defined(__OpenBSD__)) \
269	&& !defined(DO_PROTOTYPES)
270
271	/* for FreeBSD and OpenBSD on Alpha, we use the libio (resp. libalpha) */
272	/* inx/outx routines */
273	/* note that the appropriate setup via "ioperm" needs to be done */
274	/* before any inx/outx is done. */
275
276	extern _X_EXPORT void outb(unsigned int port, unsigned char val);
277	extern _X_EXPORT void outw(unsigned int port, unsigned short val);
278	extern _X_EXPORT void outl(unsigned int port, unsigned int val);
279	extern _X_EXPORT unsigned char inb(unsigned int port);
280	extern _X_EXPORT unsigned short inw(unsigned int port);
281	extern _X_EXPORT unsigned int inl(unsigned int port);
282
283	#endif /* (__FreeBSD__ \|\| __OpenBSD__ ) && !DO_PROTOTYPES */
284
285	#if defined(__NetBSD__)
286	#include <machine/pio.h>
287	#endif /* __NetBSD__ */
288
289	#elif defined(__amd64__)
290
291	#include <inttypes.h>
292
293	static __inline__ void
294	outb(unsigned short port, unsigned char val)
295	{
296	__asm__ __volatile__("outb %0,%1"::"a"(val), "d"(port));
297	}
298
299	static __inline__ void
300	outw(unsigned short port, unsigned short val)
301	{
302	__asm__ __volatile__("outw %0,%1"::"a"(val), "d"(port));
303	}
304
305	static __inline__ void
306	outl(unsigned short port, unsigned int val)
307	{
308	__asm__ __volatile__("outl %0,%1"::"a"(val), "d"(port));
309	}
310
311	static __inline__ unsigned int
312	inb(unsigned short port)
313	{
314	unsigned char ret;
315	__asm__ __volatile__("inb %1,%0":"=a"(ret):"d"(port));
316
317	return ret;
318	}
319
320	static __inline__ unsigned int
321	inw(unsigned short port)
322	{
323	unsigned short ret;
324	__asm__ __volatile__("inw %1,%0":"=a"(ret):"d"(port));
325
326	return ret;
327	}
328
329	static __inline__ unsigned int
330	inl(unsigned short port)
331	{
332	unsigned int ret;
333	__asm__ __volatile__("inl %1,%0":"=a"(ret):"d"(port));
334
335	return ret;
336	}
337
338	#elif defined(__sparc__)
339
340	#ifndef ASI_PL
341	#define ASI_PL 0x88
342	#endif
343
344	static __inline__ void
345	outb(unsigned long port, unsigned char val)
346	{
347	__asm__ __volatile__("stba %0, [%1] %2": /* No outputs */
348	:"r"(val), "r"(port), "i"(ASI_PL));
349
350	barrier();
351	}
352
353	static __inline__ void
354	outw(unsigned long port, unsigned short val)
355	{
356	__asm__ __volatile__("stha %0, [%1] %2": /* No outputs */
357	:"r"(val), "r"(port), "i"(ASI_PL));
358
359	barrier();
360	}
361
362	static __inline__ void
363	outl(unsigned long port, unsigned int val)
364	{
365	__asm__ __volatile__("sta %0, [%1] %2": /* No outputs */
366	:"r"(val), "r"(port), "i"(ASI_PL));
367
368	barrier();
369	}
370
371	static __inline__ unsigned int
372	inb(unsigned long port)
373	{
374	unsigned int ret;
375	__asm__ __volatile__("lduba [%1] %2, %0":"=r"(ret)
376	:"r"(port), "i"(ASI_PL));
377
378	return ret;
379	}
380
381	static __inline__ unsigned int
382	inw(unsigned long port)
383	{
384	unsigned int ret;
385	__asm__ __volatile__("lduha [%1] %2, %0":"=r"(ret)
386	:"r"(port), "i"(ASI_PL));
387
388	return ret;
389	}
390
391	static __inline__ unsigned int
392	inl(unsigned long port)
393	{
394	unsigned int ret;
395	__asm__ __volatile__("lda [%1] %2, %0":"=r"(ret)
396	:"r"(port), "i"(ASI_PL));
397
398	return ret;
399	}
400
401	static __inline__ unsigned char
402	xf86ReadMmio8(__volatile__ void *base, const unsigned long offset)
403	{
404	unsigned long addr = ((unsigned long) base) + offset;
405	unsigned char ret;
406
407	__asm__ __volatile__("lduba [%1] %2, %0":"=r"(ret)
408	:"r"(addr), "i"(ASI_PL));
409
410	return ret;
411	}
412
413	static __inline__ unsigned short
414	xf86ReadMmio16Be(__volatile__ void *base, const unsigned long offset)
415	{
416	unsigned long addr = ((unsigned long) base) + offset;
417	unsigned short ret;
418
419	__asm__ __volatile__("lduh [%1], %0":"=r"(ret)
420	:"r"(addr));
421
422	return ret;
423	}
424
425	static __inline__ unsigned short
426	xf86ReadMmio16Le(__volatile__ void *base, const unsigned long offset)
427	{
428	unsigned long addr = ((unsigned long) base) + offset;
429	unsigned short ret;
430
431	__asm__ __volatile__("lduha [%1] %2, %0":"=r"(ret)
432	:"r"(addr), "i"(ASI_PL));
433
434	return ret;
435	}
436
437	static __inline__ unsigned int
438	xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
439	{
440	unsigned long addr = ((unsigned long) base) + offset;
441	unsigned int ret;
442
443	__asm__ __volatile__("ld [%1], %0":"=r"(ret)
444	:"r"(addr));
445
446	return ret;
447	}
448
449	static __inline__ unsigned int
450	xf86ReadMmio32Le(__volatile__ void *base, const unsigned long offset)
451	{
452	unsigned long addr = ((unsigned long) base) + offset;
453	unsigned int ret;
454
455	__asm__ __volatile__("lda [%1] %2, %0":"=r"(ret)
456	:"r"(addr), "i"(ASI_PL));
457
458	return ret;
459	}
460
461	static __inline__ void
462	xf86WriteMmio8(__volatile__ void *base, const unsigned long offset,
463	const unsigned int val)
464	{
465	unsigned long addr = ((unsigned long) base) + offset;
466
467	__asm__ __volatile__("stba %0, [%1] %2": /* No outputs */
468	:"r"(val), "r"(addr), "i"(ASI_PL));
469
470	barrier();
471	}
472
473	static __inline__ void
474	xf86WriteMmio16Be(__volatile__ void *base, const unsigned long offset,
475	const unsigned int val)
476	{
477	unsigned long addr = ((unsigned long) base) + offset;
478
479	__asm__ __volatile__("sth %0, [%1]": /* No outputs */
480	:"r"(val), "r"(addr));
481
482	barrier();
483	}
484
485	static __inline__ void
486	xf86WriteMmio16Le(__volatile__ void *base, const unsigned long offset,
487	const unsigned int val)
488	{
489	unsigned long addr = ((unsigned long) base) + offset;
490
491	__asm__ __volatile__("stha %0, [%1] %2": /* No outputs */
492	:"r"(val), "r"(addr), "i"(ASI_PL));
493
494	barrier();
495	}
496
497	static __inline__ void
498	xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
499	const unsigned int val)
500	{
501	unsigned long addr = ((unsigned long) base) + offset;
502
503	__asm__ __volatile__("st %0, [%1]": /* No outputs */
504	:"r"(val), "r"(addr));
505
506	barrier();
507	}
508
509	static __inline__ void
510	xf86WriteMmio32Le(__volatile__ void *base, const unsigned long offset,
511	const unsigned int val)
512	{
513	unsigned long addr = ((unsigned long) base) + offset;
514
515	__asm__ __volatile__("sta %0, [%1] %2": /* No outputs */
516	:"r"(val), "r"(addr), "i"(ASI_PL));
517
518	barrier();
519	}
520
521	#elif defined(__mips__) \|\| (defined(__arm32__) && !defined(__linux__))
522	#if defined(__arm32__) \|\| defined(__mips64)
523	#define PORT_SIZE long
524	#else
525	#define PORT_SIZE short
526	#endif
527
528	_X_EXPORT unsigned int IOPortBase; /* Memory mapped I/O port area */
529
530	static __inline__ void
531	outb(unsigned PORT_SIZE port, unsigned char val)
532	{
533	(volatile unsigned char ) (((unsigned PORT_SIZE) (port)) + IOPortBase) =
534	val;
535	}
536
537	static __inline__ void
538	outw(unsigned PORT_SIZE port, unsigned short val)
539	{
540	(volatile unsigned short ) (((unsigned PORT_SIZE) (port)) + IOPortBase) =
541	val;
542	}
543
544	static __inline__ void
545	outl(unsigned PORT_SIZE port, unsigned int val)
546	{
547	(volatile unsigned int ) (((unsigned PORT_SIZE) (port)) + IOPortBase) =
548	val;
549	}
550
551	static __inline__ unsigned int
552	inb(unsigned PORT_SIZE port)
553	{
554	return (volatile unsigned char ) (((unsigned PORT_SIZE) (port)) +
555	IOPortBase);
556	}
557
558	static __inline__ unsigned int
559	inw(unsigned PORT_SIZE port)
560	{
561	return (volatile unsigned short ) (((unsigned PORT_SIZE) (port)) +
562	IOPortBase);
563	}
564
565	static __inline__ unsigned int
566	inl(unsigned PORT_SIZE port)
567	{
568	return (volatile unsigned int ) (((unsigned PORT_SIZE) (port)) +
569	IOPortBase);
570	}
571
572	#if defined(__mips__)
573	#ifdef linux /* don't mess with other OSs */
574	#if X_BYTE_ORDER == X_BIG_ENDIAN
575	static __inline__ unsigned int
576	xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
577	{
578	unsigned long addr = ((unsigned long) base) + offset;
579	unsigned int ret;
580
581	__asm__ __volatile__("lw %0, 0(%1)":"=r"(ret)
582	:"r"(addr));
583
584	return ret;
585	}
586
587	static __inline__ void
588	xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
589	const unsigned int val)
590	{
591	unsigned long addr = ((unsigned long) base) + offset;
592
593	__asm__ __volatile__("sw %0, 0(%1)": /* No outputs */
594	:"r"(val), "r"(addr));
595	}
596	#endif
597	#endif /* !linux */
598	#endif /* __mips__ */
599
600	#elif defined(__powerpc__)
601
602	#ifndef MAP_FAILED
603	#define MAP_FAILED ((void *)-1)
604	#endif
605
606	extern _X_EXPORT volatile unsigned char *ioBase;
607
608	static __inline__ unsigned char
609	xf86ReadMmio8(__volatile__ void *base, const unsigned long offset)
610	{
611	register unsigned char val;
612	__asm__ __volatile__("lbzx %0,%1,%2\n\t" "eieio":"=r"(val)
613	:"b"(base), "r"(offset),
614	"m"(((volatile unsigned char ) base + offset)));
615	return val;
616	}
617
618	static __inline__ unsigned short
619	xf86ReadMmio16Be(__volatile__ void *base, const unsigned long offset)
620	{
621	register unsigned short val;
622	__asm__ __volatile__("lhzx %0,%1,%2\n\t" "eieio":"=r"(val)
623	:"b"(base), "r"(offset),
624	"m"(((volatile unsigned char ) base + offset)));
625	return val;
626	}
627
628	static __inline__ unsigned short
629	xf86ReadMmio16Le(__volatile__ void *base, const unsigned long offset)
630	{
631	register unsigned short val;
632	__asm__ __volatile__("lhbrx %0,%1,%2\n\t" "eieio":"=r"(val)
633	:"b"(base), "r"(offset),
634	"m"(((volatile unsigned char ) base + offset)));
635	return val;
636	}
637
638	static __inline__ unsigned int
639	xf86ReadMmio32Be(__volatile__ void *base, const unsigned long offset)
640	{
641	register unsigned int val;
642	__asm__ __volatile__("lwzx %0,%1,%2\n\t" "eieio":"=r"(val)
643	:"b"(base), "r"(offset),
644	"m"(((volatile unsigned char ) base + offset)));
645	return val;
646	}
647
648	static __inline__ unsigned int
649	xf86ReadMmio32Le(__volatile__ void *base, const unsigned long offset)
650	{
651	register unsigned int val;
652	__asm__ __volatile__("lwbrx %0,%1,%2\n\t" "eieio":"=r"(val)
653	:"b"(base), "r"(offset),
654	"m"(((volatile unsigned char ) base + offset)));
655	return val;
656	}
657
658	static __inline__ void
659	xf86WriteMmio8(__volatile__ void *base, const unsigned long offset,
660	const unsigned char val)
661	{
662	__asm__
663	__volatile__("stbx %1,%2,%3\n\t":"=m"
664	(((volatile unsigned char ) base + offset))
665	:"r"(val), "b"(base), "r"(offset));
666	eieio();
667	}
668
669	static __inline__ void
670	xf86WriteMmio16Le(__volatile__ void *base, const unsigned long offset,
671	const unsigned short val)
672	{
673	__asm__
674	__volatile__("sthbrx %1,%2,%3\n\t":"=m"
675	(((volatile unsigned char ) base + offset))
676	:"r"(val), "b"(base), "r"(offset));
677	eieio();
678	}
679
680	static __inline__ void
681	xf86WriteMmio16Be(__volatile__ void *base, const unsigned long offset,
682	const unsigned short val)
683	{
684	__asm__
685	__volatile__("sthx %1,%2,%3\n\t":"=m"
686	(((volatile unsigned char ) base + offset))
687	:"r"(val), "b"(base), "r"(offset));
688	eieio();
689	}
690
691	static __inline__ void
692	xf86WriteMmio32Le(__volatile__ void *base, const unsigned long offset,
693	const unsigned int val)
694	{
695	__asm__
696	__volatile__("stwbrx %1,%2,%3\n\t":"=m"
697	(((volatile unsigned char ) base + offset))
698	:"r"(val), "b"(base), "r"(offset));
699	eieio();
700	}
701
702	static __inline__ void
703	xf86WriteMmio32Be(__volatile__ void *base, const unsigned long offset,
704	const unsigned int val)
705	{
706	__asm__
707	__volatile__("stwx %1,%2,%3\n\t":"=m"
708	(((volatile unsigned char ) base + offset))
709	:"r"(val), "b"(base), "r"(offset));
710	eieio();
711	}
712
713	static __inline__ void
714	outb(unsigned short port, unsigned char value)
715	{
716	if (ioBase == MAP_FAILED)
717	return;
718	xf86WriteMmio8((void *) ioBase, port, value);
719	}
720
721	static __inline__ void
722	outw(unsigned short port, unsigned short value)
723	{
724	if (ioBase == MAP_FAILED)
725	return;
726	xf86WriteMmio16Le((void *) ioBase, port, value);
727	}
728
729	static __inline__ void
730	outl(unsigned short port, unsigned int value)
731	{
732	if (ioBase == MAP_FAILED)
733	return;
734	xf86WriteMmio32Le((void *) ioBase, port, value);
735	}
736
737	static __inline__ unsigned int
738	inb(unsigned short port)
739	{
740	if (ioBase == MAP_FAILED)
741	return 0;
742	return xf86ReadMmio8((void *) ioBase, port);
743	}
744
745	static __inline__ unsigned int
746	inw(unsigned short port)
747	{
748	if (ioBase == MAP_FAILED)
749	return 0;
750	return xf86ReadMmio16Le((void *) ioBase, port);
751	}
752
753	static __inline__ unsigned int
754	inl(unsigned short port)
755	{
756	if (ioBase == MAP_FAILED)
757	return 0;
758	return xf86ReadMmio32Le((void *) ioBase, port);
759	}
760
761	#elif defined(__arm__) && defined(__linux__)
762
763	/* for Linux on ARM, we use the LIBC inx/outx routines */
764	/* note that the appropriate setup via "ioperm" needs to be done */
765	/* before any inx/outx is done. */
766
767	#include <sys/io.h>
768
769	static __inline__ void
770	xf_outb(unsigned short port, unsigned char val)
771	{
772	outb(val, port);
773	}
774
775	static __inline__ void
776	xf_outw(unsigned short port, unsigned short val)
777	{
778	outw(val, port);
779	}
780
781	static __inline__ void
782	xf_outl(unsigned short port, unsigned int val)
783	{
784	outl(val, port);
785	}
786
787	#define outb xf_outb
788	#define outw xf_outw
789	#define outl xf_outl
790
791	#elif defined(__nds32__)
792
793	/*
794	* Assume all port access are aligned. We need to revise this implementation
795	* if there is unaligned port access.
796	*/
797
798	#define PORT_SIZE long
799
800	static __inline__ unsigned char
801	xf86ReadMmio8(__volatile__ void *base, const unsigned long offset)
802	{
803	return (volatile unsigned char ) ((unsigned char *) base + offset);
804	}
805
806	static __inline__ void
807	xf86WriteMmio8(__volatile__ void *base, const unsigned long offset,
808	const unsigned int val)
809	{
810	(volatile unsigned char ) ((unsigned char *) base + offset) = val;
811	barrier();
812	}
813
814	static __inline__ unsigned short
815	xf86ReadMmio16Swap(__volatile__ void *base, const unsigned long offset)
816	{
817	unsigned long addr = ((unsigned long) base) + offset;
818	unsigned short ret;
819
820	__asm__ __volatile__("lhi %0, [%1];\n\t" "wsbh %0, %0;\n\t":"=r"(ret)
821	:"r"(addr));
822
823	return ret;
824	}
825
826	static __inline__ unsigned short
827	xf86ReadMmio16(__volatile__ void *base, const unsigned long offset)
828	{
829	return (volatile unsigned short ) ((char *) base + offset);
830	}
831
832	static __inline__ void
833	xf86WriteMmio16Swap(__volatile__ void *base, const unsigned long offset,
834	const unsigned int val)
835	{
836	unsigned long addr = ((unsigned long) base) + offset;
837
838	__asm__ __volatile__("wsbh %0, %0;\n\t" "shi %0, [%1];\n\t": /* No outputs */
839	:"r"(val), "r"(addr));
840
841	barrier();
842	}
843
844	static __inline__ void
845	xf86WriteMmio16(__volatile__ void *base, const unsigned long offset,
846	const unsigned int val)
847	{
848	(volatile unsigned short ) ((unsigned char *) base + offset) = val;
849	barrier();
850	}
851
852	static __inline__ unsigned int
853	xf86ReadMmio32Swap(__volatile__ void *base, const unsigned long offset)
854	{
855	unsigned long addr = ((unsigned long) base) + offset;
856	unsigned int ret;
857
858	__asm__ __volatile__("lwi %0, [%1];\n\t"
859	"wsbh %0, %0;\n\t" "rotri %0, %0, 16;\n\t":"=r"(ret)
860	:"r"(addr));
861
862	return ret;
863	}
864
865	static __inline__ unsigned int
866	xf86ReadMmio32(__volatile__ void *base, const unsigned long offset)
867	{
868	return (volatile unsigned int ) ((unsigned char *) base + offset);
869	}
870
871	static __inline__ void
872	xf86WriteMmio32Swap(__volatile__ void *base, const unsigned long offset,
873	const unsigned int val)
874	{
875	unsigned long addr = ((unsigned long) base) + offset;
876
877	__asm__ __volatile__("wsbh %0, %0;\n\t" "rotri %0, %0, 16;\n\t" "swi %0, [%1];\n\t": /* No outputs */
878	:"r"(val), "r"(addr));
879
880	barrier();
881	}
882
883	static __inline__ void
884	xf86WriteMmio32(__volatile__ void *base, const unsigned long offset,
885	const unsigned int val)
886	{
887	(volatile unsigned int ) ((unsigned char *) base + offset) = val;
888	barrier();
889	}
890
891	#if defined(NDS32_MMIO_SWAP)
892	static __inline__ void
893	outb(unsigned PORT_SIZE port, unsigned char val)
894	{
895	xf86WriteMmio8(IOPortBase, port, val);
896	}
897
898	static __inline__ void
899	outw(unsigned PORT_SIZE port, unsigned short val)
900	{
901	xf86WriteMmio16Swap(IOPortBase, port, val);
902	}
903
904	static __inline__ void
905	outl(unsigned PORT_SIZE port, unsigned int val)
906	{
907	xf86WriteMmio32Swap(IOPortBase, port, val);
908	}
909
910	static __inline__ unsigned int
911	inb(unsigned PORT_SIZE port)
912	{
913	return xf86ReadMmio8(IOPortBase, port);
914	}
915
916	static __inline__ unsigned int
917	inw(unsigned PORT_SIZE port)
918	{
919	return xf86ReadMmio16Swap(IOPortBase, port);
920	}
921
922	static __inline__ unsigned int
923	inl(unsigned PORT_SIZE port)
924	{
925	return xf86ReadMmio32Swap(IOPortBase, port);
926	}
927
928	#else /* !NDS32_MMIO_SWAP */
929	static __inline__ void
930	outb(unsigned PORT_SIZE port, unsigned char val)
931	{
932	(volatile unsigned char ) (((unsigned PORT_SIZE) (port))) = val;
933	barrier();
934	}
935
936	static __inline__ void
937	outw(unsigned PORT_SIZE port, unsigned short val)
938	{
939	(volatile unsigned short ) (((unsigned PORT_SIZE) (port))) = val;
940	barrier();
941	}
942
943	static __inline__ void
944	outl(unsigned PORT_SIZE port, unsigned int val)
945	{
946	(volatile unsigned int ) (((unsigned PORT_SIZE) (port))) = val;
947	barrier();
948	}
949
950	static __inline__ unsigned int
951	inb(unsigned PORT_SIZE port)
952	{
953	return (volatile unsigned char ) (((unsigned PORT_SIZE) (port)));
954	}
955
956	static __inline__ unsigned int
957	inw(unsigned PORT_SIZE port)
958	{
959	return (volatile unsigned short ) (((unsigned PORT_SIZE) (port)));
960	}
961
962	static __inline__ unsigned int
963	inl(unsigned PORT_SIZE port)
964	{
965	return (volatile unsigned int ) (((unsigned PORT_SIZE) (port)));
966	}
967
968	#endif /* NDS32_MMIO_SWAP */
969
970	#elif defined(__i386__) \|\| defined(__ia64__)
971
972	static __inline__ void
973	outb(unsigned short port, unsigned char val)
974	{
975	__asm__ __volatile__("out%B0 (%1)"::"a"(val), "d"(port));
976	}
977
978	static __inline__ void
979	outw(unsigned short port, unsigned short val)
980	{
981	__asm__ __volatile__("out%W0 (%1)"::"a"(val), "d"(port));
982	}
983
984	static __inline__ void
985	outl(unsigned short port, unsigned int val)
986	{
987	__asm__ __volatile__("out%L0 (%1)"::"a"(val), "d"(port));
988	}
989
990	static __inline__ unsigned int
991	inb(unsigned short port)
992	{
993	unsigned char ret;
994	__asm__ __volatile__("in%B0 (%1)":"=a"(ret):"d"(port));
995
996	return ret;
997	}
998
999	static __inline__ unsigned int
1000	inw(unsigned short port)
1001	{
1002	unsigned short ret;
1003	__asm__ __volatile__("in%W0 (%1)":"=a"(ret):"d"(port));
1004
1005	return ret;
1006	}
1007
1008	static __inline__ unsigned int
1009	inl(unsigned short port)
1010	{
1011	unsigned int ret;
1012	__asm__ __volatile__("in%L0 (%1)":"=a"(ret):"d"(port));
1013
1014	return ret;
1015	}
1016
1017	#endif /* arch madness */
1018
1019	#else /* !GNUC */
1020	#if defined(__STDC__) && (__STDC__ == 1)
1021	#ifndef asm
1022	#define asm __asm
1023	#endif
1024	#endif
1025	#if !defined(__SUNPRO_C)
1026	#include <sys/inline.h>
1027	#endif
1028	#endif /* __GNUC__ */
1029
1030	#if !defined(MMIO_IS_BE) && \
1031	(defined(SPARC_MMIO_IS_BE) \|\| defined(PPC_MMIO_IS_BE))
1032	#define MMIO_IS_BE
1033	#endif
1034
1035	#ifdef __alpha__
1036	/* entry points for Mmio memory access routines */
1037	extern _X_EXPORT int (xf86ReadMmio8) (void , unsigned long);
1038	extern _X_EXPORT int (xf86ReadMmio16) (void , unsigned long);
1039
1040	#ifndef STANDALONE_MMIO
1041	extern _X_EXPORT int (xf86ReadMmio32) (void , unsigned long);
1042	#else
1043	/* Some DRI 3D drivers need MMIO_IN32. */
1044	static __inline__ int
1045	xf86ReadMmio32(void *Base, unsigned long Offset)
1046	{
1047	mem_barrier();
1048	return (volatile unsigned int ) ((unsigned long) Base + (Offset));
1049	}
1050	#endif
1051	extern _X_EXPORT void (xf86WriteMmio8) (int, void , unsigned long);
1052	extern _X_EXPORT void (xf86WriteMmio16) (int, void , unsigned long);
1053	extern _X_EXPORT void (xf86WriteMmio32) (int, void , unsigned long);
1054	extern _X_EXPORT void xf86SlowBCopyFromBus(unsigned char , unsigned char ,
1055	int);
1056	extern _X_EXPORT void xf86SlowBCopyToBus(unsigned char , unsigned char , int);
1057
1058	/* Some macros to hide the system dependencies for MMIO accesses */
1059	/* Changed to kill noise generated by gcc's -Wcast-align */
1060	#define MMIO_IN8(base, offset) (*xf86ReadMmio8)(base, offset)
1061	#define MMIO_IN16(base, offset) (*xf86ReadMmio16)(base, offset)
1062	#ifndef STANDALONE_MMIO
1063	#define MMIO_IN32(base, offset) (*xf86ReadMmio32)(base, offset)
1064	#else
1065	#define MMIO_IN32(base, offset) xf86ReadMmio32(base, offset)
1066	#endif
1067
1068	#define MMIO_OUT32(base, offset, val) \
1069	do { \
1070	write_mem_barrier(); \
1071	(volatile CARD32 )(void )(((CARD8)(base)) + (offset)) = (val); \
1072	} while (0)
1073
1074	#define MMIO_OUT8(base, offset, val) \
1075	(*xf86WriteMmio8)((CARD8)(val), base, offset)
1076	#define MMIO_OUT16(base, offset, val) \
1077	(*xf86WriteMmio16)((CARD16)(val), base, offset)
1078
1079	#elif defined(__powerpc__) \|\| defined(__sparc__)
1080	/*
1081	* we provide byteswapping and no byteswapping functions here
1082	* with byteswapping as default,
1083	* drivers that don't need byteswapping should define MMIO_IS_BE
1084	*/
1085	#define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset)
1086	#define MMIO_OUT8(base, offset, val) \
1087	xf86WriteMmio8(base, offset, (CARD8)(val))
1088
1089	#if defined(MMIO_IS_BE) /* No byteswapping */
1090	#define MMIO_IN16(base, offset) xf86ReadMmio16Be(base, offset)
1091	#define MMIO_IN32(base, offset) xf86ReadMmio32Be(base, offset)
1092	#define MMIO_OUT16(base, offset, val) \
1093	xf86WriteMmio16Be(base, offset, (CARD16)(val))
1094	#define MMIO_OUT32(base, offset, val) \
1095	xf86WriteMmio32Be(base, offset, (CARD32)(val))
1096	#else /* byteswapping is the default */
1097	#define MMIO_IN16(base, offset) xf86ReadMmio16Le(base, offset)
1098	#define MMIO_IN32(base, offset) xf86ReadMmio32Le(base, offset)
1099	#define MMIO_OUT16(base, offset, val) \
1100	xf86WriteMmio16Le(base, offset, (CARD16)(val))
1101	#define MMIO_OUT32(base, offset, val) \
1102	xf86WriteMmio32Le(base, offset, (CARD32)(val))
1103	#endif
1104
1105	#elif defined(__nds32__)
1106	/*
1107	* we provide byteswapping and no byteswapping functions here
1108	* with no byteswapping as default; when endianness of CPU core
1109	* and I/O devices don't match, byte swapping is necessary
1110	* drivers that need byteswapping should define NDS32_MMIO_SWAP
1111	*/
1112	#define MMIO_IN8(base, offset) xf86ReadMmio8(base, offset)
1113	#define MMIO_OUT8(base, offset, val) \
1114	xf86WriteMmio8(base, offset, (CARD8)(val))
1115
1116	#if defined(NDS32_MMIO_SWAP) /* byteswapping */
1117	#define MMIO_IN16(base, offset) xf86ReadMmio16Swap(base, offset)
1118	#define MMIO_IN32(base, offset) xf86ReadMmio32Swap(base, offset)
1119	#define MMIO_OUT16(base, offset, val) \
1120	xf86WriteMmio16Swap(base, offset, (CARD16)(val))
1121	#define MMIO_OUT32(base, offset, val) \
1122	xf86WriteMmio32Swap(base, offset, (CARD32)(val))
1123	#else /* no byteswapping is the default */
1124	#define MMIO_IN16(base, offset) xf86ReadMmio16(base, offset)
1125	#define MMIO_IN32(base, offset) xf86ReadMmio32(base, offset)
1126	#define MMIO_OUT16(base, offset, val) \
1127	xf86WriteMmio16(base, offset, (CARD16)(val))
1128	#define MMIO_OUT32(base, offset, val) \
1129	xf86WriteMmio32(base, offset, (CARD32)(val))
1130	#endif
1131
1132	#else /* !__alpha__ && !__powerpc__ && !__sparc__ */
1133
1134	#define MMIO_IN8(base, offset) \
1135	(volatile CARD8 )(((CARD8*)(base)) + (offset))
1136	#define MMIO_IN16(base, offset) \
1137	(volatile CARD16 )(void )(((CARD8)(base)) + (offset))
1138	#define MMIO_IN32(base, offset) \
1139	(volatile CARD32 )(void )(((CARD8)(base)) + (offset))
1140	#define MMIO_OUT8(base, offset, val) \
1141	(volatile CARD8 )(((CARD8*)(base)) + (offset)) = (val)
1142	#define MMIO_OUT16(base, offset, val) \
1143	(volatile CARD16 )(void )(((CARD8)(base)) + (offset)) = (val)
1144	#define MMIO_OUT32(base, offset, val) \
1145	(volatile CARD32 )(void )(((CARD8)(base)) + (offset)) = (val)
1146
1147	#endif /* __alpha__ */
1148
1149	/*
1150	* With Intel, the version in os-support/misc/SlowBcopy.s is used.
1151	* This avoids port I/O during the copy (which causes problems with
1152	* some hardware).
1153	*/
1154	#ifdef __alpha__
1155	#define slowbcopy_tobus(src,dst,count) xf86SlowBCopyToBus(src,dst,count)
1156	#define slowbcopy_frombus(src,dst,count) xf86SlowBCopyFromBus(src,dst,count)
1157	#else /* __alpha__ */
1158	#define slowbcopy_tobus(src,dst,count) xf86SlowBcopy(src,dst,count)
1159	#define slowbcopy_frombus(src,dst,count) xf86SlowBcopy(src,dst,count)
1160	#endif /* __alpha__ */
1161
1162	#endif /* _COMPILER_H */

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