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
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
|
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2005 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
* Copyright 2019 Joyent, Inc.
*/
#include <sys/asm_linkage.h>
#include <sys/asm_misc.h>
#include "assym.h"
ENTRY(ddi_get8)
ALTENTRY(ddi_mem_get8)
ALTENTRY(ddi_io_get8)
movl ACC_ATTR(%rdi), %edx
cmpl $_CONST(DDI_ACCATTR_IO_SPACE|DDI_ACCATTR_DIRECT), %edx
jne 1f
movq %rsi, %rdx
xorq %rax, %rax
inb (%dx)
ret
1:
cmpl $_CONST(DDI_ACCATTR_CPU_VADDR|DDI_ACCATTR_DIRECT), %edx
jne 2f
movzbq (%rsi), %rax
ret
2:
movq ACC_GETB(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_get8)
SET_SIZE(ddi_mem_get8)
SET_SIZE(ddi_io_get8)
ENTRY(ddi_get16)
ALTENTRY(ddi_mem_get16)
ALTENTRY(ddi_io_get16)
movl ACC_ATTR(%rdi), %edx
cmpl $_CONST(DDI_ACCATTR_IO_SPACE|DDI_ACCATTR_DIRECT), %edx
jne 3f
movq %rsi, %rdx
xorq %rax, %rax
inw (%dx)
ret
3:
cmpl $_CONST(DDI_ACCATTR_CPU_VADDR|DDI_ACCATTR_DIRECT), %edx
jne 4f
movzwq (%rsi), %rax
ret
4:
movq ACC_GETW(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_get16)
SET_SIZE(ddi_mem_get16)
SET_SIZE(ddi_io_get16)
ENTRY(ddi_get32)
ALTENTRY(ddi_mem_get32)
ALTENTRY(ddi_io_get32)
movl ACC_ATTR(%rdi), %edx
cmpl $_CONST(DDI_ACCATTR_IO_SPACE|DDI_ACCATTR_DIRECT), %edx
jne 5f
movq %rsi, %rdx
inl (%dx)
ret
5:
cmpl $_CONST(DDI_ACCATTR_CPU_VADDR|DDI_ACCATTR_DIRECT), %edx
jne 6f
movl (%rsi), %eax
ret
6:
movq ACC_GETL(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_get32)
SET_SIZE(ddi_mem_get32)
SET_SIZE(ddi_io_get32)
ENTRY(ddi_get64)
ALTENTRY(ddi_mem_get64)
movq ACC_GETLL(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_get64)
SET_SIZE(ddi_mem_get64)
ENTRY(ddi_put8)
ALTENTRY(ddi_mem_put8)
ALTENTRY(ddi_io_put8)
movl ACC_ATTR(%rdi), %ecx
cmpl $_CONST(DDI_ACCATTR_IO_SPACE|DDI_ACCATTR_DIRECT), %ecx
jne 7f
movq %rdx, %rax
movq %rsi, %rdx
outb (%dx)
ret
7:
cmpl $_CONST(DDI_ACCATTR_CPU_VADDR|DDI_ACCATTR_DIRECT), %ecx
jne 8f
movb %dl, (%rsi)
ret
8:
movq ACC_PUTB(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_put8)
SET_SIZE(ddi_mem_put8)
SET_SIZE(ddi_io_put8)
ENTRY(ddi_put16)
ALTENTRY(ddi_mem_put16)
ALTENTRY(ddi_io_put16)
movl ACC_ATTR(%rdi), %ecx
cmpl $_CONST(DDI_ACCATTR_IO_SPACE|DDI_ACCATTR_DIRECT), %ecx
jne 8f
movq %rdx, %rax
movq %rsi, %rdx
outw (%dx)
ret
8:
cmpl $_CONST(DDI_ACCATTR_CPU_VADDR|DDI_ACCATTR_DIRECT), %ecx
jne 9f
movw %dx, (%rsi)
ret
9:
movq ACC_PUTW(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_put16)
SET_SIZE(ddi_mem_put16)
SET_SIZE(ddi_io_put16)
ENTRY(ddi_put32)
ALTENTRY(ddi_mem_put32)
ALTENTRY(ddi_io_put32)
movl ACC_ATTR(%rdi), %ecx
cmpl $_CONST(DDI_ACCATTR_IO_SPACE|DDI_ACCATTR_DIRECT), %ecx
jne 8f
movq %rdx, %rax
movq %rsi, %rdx
outl (%dx)
ret
8:
cmpl $_CONST(DDI_ACCATTR_CPU_VADDR|DDI_ACCATTR_DIRECT), %ecx
jne 9f
movl %edx, (%rsi)
ret
9:
movq ACC_PUTL(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_put32)
SET_SIZE(ddi_mem_put32)
SET_SIZE(ddi_io_put32)
ENTRY(ddi_put64)
ALTENTRY(ddi_mem_put64)
movq ACC_PUTLL(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_put64)
SET_SIZE(ddi_mem_put64)
ENTRY(ddi_rep_get8)
ALTENTRY(ddi_mem_rep_get8)
movq ACC_REP_GETB(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_rep_get8)
SET_SIZE(ddi_mem_rep_get8)
ENTRY(ddi_rep_get16)
ALTENTRY(ddi_mem_rep_get16)
movq ACC_REP_GETW(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_rep_get16)
SET_SIZE(ddi_mem_rep_get16)
ENTRY(ddi_rep_get32)
ALTENTRY(ddi_mem_rep_get32)
movq ACC_REP_GETL(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_rep_get32)
SET_SIZE(ddi_mem_rep_get32)
ENTRY(ddi_rep_get64)
ALTENTRY(ddi_mem_rep_get64)
movq ACC_REP_GETLL(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_rep_get64)
SET_SIZE(ddi_mem_rep_get64)
ENTRY(ddi_rep_put8)
ALTENTRY(ddi_mem_rep_put8)
movq ACC_REP_PUTB(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_rep_put8)
SET_SIZE(ddi_mem_rep_put8)
ENTRY(ddi_rep_put16)
ALTENTRY(ddi_mem_rep_put16)
movq ACC_REP_PUTW(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_rep_put16)
SET_SIZE(ddi_mem_rep_put16)
ENTRY(ddi_rep_put32)
ALTENTRY(ddi_mem_rep_put32)
movq ACC_REP_PUTL(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_rep_put32)
SET_SIZE(ddi_mem_rep_put32)
ENTRY(ddi_rep_put64)
ALTENTRY(ddi_mem_rep_put64)
movq ACC_REP_PUTLL(%rdi), %rax
INDIRECT_JMP_REG(rax)
SET_SIZE(ddi_rep_put64)
SET_SIZE(ddi_mem_rep_put64)
ENTRY(i_ddi_vaddr_get8)
movzbq (%rsi), %rax
ret
SET_SIZE(i_ddi_vaddr_get8)
ENTRY(i_ddi_vaddr_get16)
movzwq (%rsi), %rax
ret
SET_SIZE(i_ddi_vaddr_get16)
ENTRY(i_ddi_vaddr_get32)
movl (%rsi), %eax
ret
SET_SIZE(i_ddi_vaddr_get32)
ENTRY(i_ddi_vaddr_get64)
movq (%rsi), %rax
ret
SET_SIZE(i_ddi_vaddr_get64)
ENTRY(i_ddi_io_get8)
movq %rsi, %rdx
inb (%dx)
movzbq %al, %rax
ret
SET_SIZE(i_ddi_io_get8)
ENTRY(i_ddi_io_get16)
movq %rsi, %rdx
inw (%dx)
movzwq %ax, %rax
ret
SET_SIZE(i_ddi_io_get16)
ENTRY(i_ddi_io_get32)
movq %rsi, %rdx
inl (%dx)
ret
SET_SIZE(i_ddi_io_get32)
ENTRY(i_ddi_vaddr_put8)
movb %dl, (%rsi)
ret
SET_SIZE(i_ddi_vaddr_put8)
ENTRY(i_ddi_vaddr_put16)
movw %dx, (%rsi)
ret
SET_SIZE(i_ddi_vaddr_put16)
ENTRY(i_ddi_vaddr_put32)
movl %edx, (%rsi)
ret
SET_SIZE(i_ddi_vaddr_put32)
ENTRY(i_ddi_vaddr_put64)
movq %rdx, (%rsi)
ret
SET_SIZE(i_ddi_vaddr_put64)
ENTRY(i_ddi_io_put8)
movq %rdx, %rax
movq %rsi, %rdx
outb (%dx)
ret
SET_SIZE(i_ddi_io_put8)
ENTRY(i_ddi_io_put16)
movq %rdx, %rax
movq %rsi, %rdx
outw (%dx)
ret
SET_SIZE(i_ddi_io_put16)
ENTRY(i_ddi_io_put32)
movq %rdx, %rax
movq %rsi, %rdx
outl (%dx)
ret
SET_SIZE(i_ddi_io_put32)
/*
* Incoming arguments
*
* %rdi : hdlp
* %rsi : host_addr
* %rdx : dev_addr
* %rcx : repcount
* %r8 : flags
*
* This routine will destroy values in %rdx, %rsi, %rcx.
*/
ENTRY(i_ddi_io_rep_get8)
cmpq $DDI_DEV_AUTOINCR, %r8
je gb_ioadv
movq %rsi, %rdi
rep
insb
ret
gb_ioadv:
andq %rcx, %rcx
jz gb_ioadv_done
gb_ioadv2:
inb (%dx)
movb %al, (%rsi)
incq %rdx
incq %rsi
decq %rcx
jg gb_ioadv2
gb_ioadv_done:
rep; ret /* use 2 byte return instruction when branch target */
/* AMD Software Optimization Guide - Section 6.2 */
SET_SIZE(i_ddi_io_rep_get8)
ENTRY(i_ddi_io_rep_get16)
cmpq $DDI_DEV_AUTOINCR, %r8
je gw_ioadv
movq %rsi, %rdi
rep
insw
ret
gw_ioadv:
andq %rcx, %rcx
jz gw_ioadv_done
gw_ioadv2:
inw (%dx)
movw %ax,(%rsi)
addq $2, %rsi
addq $2, %rdx
decq %rcx
jg gw_ioadv2
gw_ioadv_done:
rep; ret /* use 2 byte return instruction when branch target */
/* AMD Software Optimization Guide - Section 6.2 */
SET_SIZE(i_ddi_io_rep_get16)
ENTRY(i_ddi_io_rep_get32)
cmpq $DDI_DEV_AUTOINCR, %r8
je gl_ioadv
movq %rsi, %rdi
rep
insl
ret
gl_ioadv:
andq %rcx, %rcx
jz gl_ioadv_done
gl_ioadv2:
inl (%dx)
movl %eax,(%rsi)
addq $4, %rsi
addq $4, %rdx
decq %rcx
jg gl_ioadv2
gl_ioadv_done:
rep; ret /* use 2 byte return instruction when branch target */
/* AMD Software Optimization Guide - Section 6.2 */
SET_SIZE(i_ddi_io_rep_get32)
/*
* Incoming arguments
*
* %rdi : hdlp
* %rsi : host_addr
* %rdx : dev_addr
* %rcx : repcount
* %r8 : flags
*
* This routine will destroy values in %rdx, %rsi, %rcx.
*/
ENTRY(i_ddi_io_rep_put8)
cmpq $DDI_DEV_AUTOINCR, %r8
je pb_ioadv
movq %rsi, %rdi
rep
outsb
ret
pb_ioadv:
andq %rcx, %rcx
jz pb_ioadv_done
pb_ioadv2:
movb (%rsi), %al
outb (%dx)
incq %rsi
incq %rdx
decq %rcx
jg pb_ioadv2
pb_ioadv_done:
rep; ret /* use 2 byte return instruction when branch target */
/* AMD Software Optimization Guide - Section 6.2 */
SET_SIZE(i_ddi_io_rep_put8)
ENTRY(i_ddi_io_rep_put16)
cmpq $DDI_DEV_AUTOINCR, %r8
je pw_ioadv
movq %rsi, %rdi
rep
outsw
ret
pw_ioadv:
andq %rcx, %rcx
jz pw_ioadv_done
pw_ioadv2:
movw (%rsi), %ax
outw (%dx)
addq $2, %rsi
addq $2, %rdx
decq %rcx
jg pw_ioadv2
pw_ioadv_done:
rep; ret /* use 2 byte return instruction when branch target */
/* AMD Software Optimization Guide - Section 6.2 */
SET_SIZE(i_ddi_io_rep_put16)
ENTRY(i_ddi_io_rep_put32)
cmpq $DDI_DEV_AUTOINCR, %r8
je pl_ioadv
movq %rsi, %rdi
rep
outsl
ret
pl_ioadv:
andq %rcx, %rcx
jz pl_ioadv_done
pl_ioadv2:
movl (%rsi), %eax
outl (%dx)
addq $4, %rsi
addq $4, %rdx
decq %rcx
jg pl_ioadv2
pl_ioadv_done:
rep; ret /* use 2 byte return instruction when branch target */
/* AMD Software Optimization Guide - Section 6.2 */
SET_SIZE(i_ddi_io_rep_put32)
|
