aboutsummaryrefslogtreecommitdiffstats
path: root/int10/AsmMacros.h
blob: 68f955872117e3bab9c33bdd36ff6e2ae64aec6d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
/* $XConsortium: AsmMacros.h /main/13 1996/10/25 11:33:12 kaleb $ */
/*
 * (c) Copyright 1993,1994 by David Wexelblat <dwex@xfree86.org>
 *
 * Permission is hereby granted, free of charge, to any person obtaining a 
 * copy of this software and associated documentation files (the "Software"), 
 * to deal in the Software without restriction, including without limitation 
 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 
 * and/or sell copies of the Software, and to permit persons to whom the 
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 * 
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL 
 * DAVID WEXELBLAT BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, 
 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF 
 * OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
 * SOFTWARE.
 * 
 * Except as contained in this notice, the name of David Wexelblat shall not be
 * used in advertising or otherwise to promote the sale, use or other dealings
 * in this Software without prior written authorization from David Wexelblat.
 *
 */
/*
 * Copyright 1997
 * Digital Equipment Corporation. All rights reserved.
 * This software is furnished under license and may be used and copied only in 
 * accordance with the following terms and conditions.  Subject to these 
 * conditions, you may download, copy, install, use, modify and distribute 
 * this software in source and/or binary form. No title or ownership is 
 * transferred hereby.
 *
 * 1) Any source code used, modified or distributed must reproduce and retain 
 *    this copyright notice and list of conditions as they appear in the source
 *    file.
 *
 * 2) No right is granted to use any trade name, trademark, or logo of Digital 
 *    Equipment Corporation. Neither the "Digital Equipment Corporation" name 
 *    nor any trademark or logo of Digital Equipment Corporation may be used 
 *    to endorse or promote products derived from this software without the 
 *    prior written permission of Digital Equipment Corporation.
 *
 * 3) This software is provided "AS-IS" and any express or implied warranties, 
 *    including but not limited to, any implied warranties of merchantability, 
 *    fitness for a particular purpose, or non-infringement are disclaimed. In 
 *    no event shall DIGITAL be liable for any damages whatsoever, and in 
 *    particular, DIGITAL shall not be liable for special, indirect, 
 *    consequential, or incidental damages or damages for 
 *    lost profits, loss of revenue or loss of use, whether such damages arise 
 *    in contract, 
 *    negligence, tort, under statute, in equity, at law or otherwise, even if 
 *    advised of the possibility of such damage. 
 *
 */

/* $XFree86: xc/programs/Xserver/hw/xfree86/SuperProbe/AsmMacros.h,v 3.14 1999/09/25 14:36:58 dawes Exp $ */


#if defined(__GNUC__)

#if defined(linux) && (defined(__alpha__) || defined(__ia64__))

#include <sys/io.h>

#undef inb
#undef inw
#undef inl
#undef outb
#undef outw
#undef outl

static __inline__ unsigned int inb(unsigned long int p) { return _inb(p); };
static __inline__ unsigned int inw(unsigned long int p) { return _inw(p); };
static __inline__ unsigned int inl(unsigned long int p) { return _inl(p); };
static __inline__ void outb(unsigned long int p, unsigned char v) { _outb(v,p); };
static __inline__ void outw(unsigned long int p, unsigned short v) { _outw(v,p); };
static __inline__ void outl(unsigned long int p, unsigned int v) { _outl(v,p); };

#else

#if defined(__sparc__)
#ifndef ASI_PL
#define ASI_PL 0x88
#endif

static __inline__ void
outb(port, val)
unsigned long port;
char val;
{
  __asm__ __volatile__("stba %0, [%1] %2" : : "r" (val), "r" (port), "i" (ASI_PL));
}

static __inline__ void
outw(port, val)
unsigned long port;
char val;
{
  __asm__ __volatile__("stha %0, [%1] %2" : : "r" (val), "r" (port), "i" (ASI_PL));
}

static __inline__ void
outl(port, val)
unsigned long port;
char val;
{
  __asm__ __volatile__("sta %0, [%1] %2" : : "r" (val), "r" (port), "i" (ASI_PL));
}

static __inline__ unsigned int
inb(port)
unsigned long port;
{
   unsigned char ret;
   __asm__ __volatile__("lduba [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL));
   return ret;
}

static __inline__ unsigned int
inw(port)
unsigned long port;
{
   unsigned char ret;
   __asm__ __volatile__("lduha [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL));
   return ret;
}

static __inline__ unsigned int
inl(port)
unsigned long port;
{
   unsigned char ret;
   __asm__ __volatile__("lda [%1] %2, %0" : "=r" (ret) : "r" (port), "i" (ASI_PL));
   return ret;
}
#else
#ifdef __arm32__
unsigned int IOPortBase;  /* Memory mapped I/O port area */

static __inline__ void
outb(port, val)
     short port;
     char val;
{
	 if ((unsigned short)port >= 0x400) return;

	*(volatile unsigned char*)(((unsigned short)(port))+IOPortBase) = val;
}

static __inline__ void
outw(port, val)
     short port;
     short val;
{
	 if ((unsigned short)port >= 0x400) return;

	*(volatile unsigned short*)(((unsigned short)(port))+IOPortBase) = val;
}

static __inline__ void
outl(port, val)
     short port;
     int val;
{
	 if ((unsigned short)port >= 0x400) return;

	*(volatile unsigned long*)(((unsigned short)(port))+IOPortBase) = val;
}

static __inline__ unsigned int
inb(port)
     short port;
{
	 if ((unsigned short)port >= 0x400) return((unsigned int)-1);

	return(*(volatile unsigned char*)(((unsigned short)(port))+IOPortBase));
}

static __inline__ unsigned int
inw(port)
     short port;
{
	 if ((unsigned short)port >= 0x400) return((unsigned int)-1);

	return(*(volatile unsigned short*)(((unsigned short)(port))+IOPortBase));
}

static __inline__ unsigned int
inl(port)
     short port;
{
	 if ((unsigned short)port >= 0x400) return((unsigned int)-1);

	return(*(volatile unsigned long*)(((unsigned short)(port))+IOPortBase));
}
#else /* __arm32__ */
#if defined(Lynx) && defined(__powerpc__)
extern unsigned char *ioBase;

static volatile void
eieio()
{
	__asm__ __volatile__ ("eieio");
}

static void
outb(port, value)
short port;
unsigned char value;
{
	*(uchar *)(ioBase + port) = value; eieio();
}

static void
outw(port, value)
short port;
unsigned short value;
{
	*(unsigned short *)(ioBase + port) = value; eieio();
}

static void
outl(port, value)
short port;
unsigned long value;
{
	*(unsigned long *)(ioBase + port) = value; eieio();
}

static unsigned char
inb(port)
short port;
{
	unsigned char val;

	val = *((unsigned char *)(ioBase + port)); eieio();
	return(val);
}

static unsigned short
inw(port)
short port;
{
	unsigned short val;

	val = *((unsigned short *)(ioBase + port)); eieio();
	return(val);
}

static unsigned long
inl(port)
short port;
{
	unsigned long val;

	val = *((unsigned long *)(ioBase + port)); eieio();
	return(val);
}

#else
#if defined(__FreeBSD__) && defined(__alpha__)

#include <sys/types.h>

extern void outb(u_int32_t port, u_int8_t val);
extern void outw(u_int32_t port, u_int16_t val);
extern void outl(u_int32_t port, u_int32_t val);
extern u_int8_t inb(u_int32_t port);
extern u_int16_t inw(u_int32_t port);
extern u_int32_t inl(u_int32_t port);

#else
#ifdef GCCUSESGAS
static __inline__ void
outb(port, val)
short port;
char val;
{
   __asm__ __volatile__("outb %0,%1" : :"a" (val), "d" (port));
}

static __inline__ void
outw(port, val)
short port;
short val;
{
   __asm__ __volatile__("outw %0,%1" : :"a" (val), "d" (port));
}

static __inline__ void
outl(port, val)
short port;
unsigned int val;
{
   __asm__ __volatile__("outl %0,%1" : :"a" (val), "d" (port));
}

static __inline__ unsigned int
inb(port)
short port;
{
   unsigned char ret;
   __asm__ __volatile__("inb %1,%0" :
       "=a" (ret) :
       "d" (port));
   return ret;
}

static __inline__ unsigned int
inw(port)
short port;
{
   unsigned short ret;
   __asm__ __volatile__("inw %1,%0" :
       "=a" (ret) :
       "d" (port));
   return ret;
}

static __inline__ unsigned int
inl(port)
short port;
{
   unsigned int ret;
   __asm__ __volatile__("inl %1,%0" :
       "=a" (ret) :
       "d" (port));
   return ret;
}

#else /* GCCUSESGAS */

static __inline__ void
outb(port, val)
     short port;
     char val;
{
  __asm__ __volatile__("out%B0 (%1)" : :"a" (val), "d" (port));
}

static __inline__ void
outw(port, val)
     short port;
     short val;
{
  __asm__ __volatile__("out%W0 (%1)" : :"a" (val), "d" (port));
}

static __inline__ void
outl(port, val)
     short port;
     unsigned int val;
{
  __asm__ __volatile__("out%L0 (%1)" : :"a" (val), "d" (port));
}

static __inline__ unsigned int
inb(port)
     short port;
{
  unsigned int ret;
  __asm__ __volatile__("in%B0 (%1)" :
                   "=a" (ret) :
                   "d" (port));
  return ret;
}

static __inline__ unsigned int
inw(port)
     short port;
{
  unsigned int ret;
  __asm__ __volatile__("in%W0 (%1)" :
                   "=a" (ret) :
                   "d" (port));
  return ret;
}

static __inline__ unsigned int
inl(port)
     short port;
{
  unsigned int ret;
  __asm__ __volatile__("in%L0 (%1)" :
                   "=a" (ret) :
                   "d" (port));
  return ret;
}

#endif /* GCCUSESGAS */
#endif /* Lynx && __powerpc__ */
#endif /* arm32 */
#endif /* linux && __sparc__ */
#endif /* linux && __alpha__ */
#endif /* __FreeBSD__ && __alpha__ */

#if defined(linux) || defined(__arm32__) || (defined(Lynx) && defined(__powerpc__))

#define intr_disable()
#define intr_enable()

#else 

static __inline__ void
intr_disable()
{
  __asm__ __volatile__("cli");
}

static __inline__ void
intr_enable()
{
  __asm__ __volatile__("sti");
}

#endif /* else !linux && !__arm32__ */

#else /* __GNUC__ */

#if defined(_MINIX) && defined(_ACK)

/* inb, outb, inw and outw are defined in the library */
/* ... but I've no idea if the same is true for inl & outl */

u8_t inb(U16_t);
void outb(U16_t, U8_t);
u16_t inw(U16_t);
void outw(U16_t, U16_t);
u32_t inl(U16_t);
void outl(U16_t, U32_t);

#else /* not _MINIX and _ACK */

# if defined(__STDC__) && (__STDC__ == 1)
#  ifndef NCR
#  define asm __asm
#  endif
# endif
# ifdef SVR4
#  include <sys/types.h>
#  ifndef __USLC__
#   define __USLC__
#  endif
# endif
#ifndef SCO325
# include <sys/inline.h>
#else
# include "../common/scoasm.h"
#endif
#define intr_disable() asm("cli")
#define intr_enable()  asm("sti")

#endif /* _MINIX and _ACK */
#endif /* __GNUC__ */