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1da177e4 LT |
1 | |
2 | /* low-level asm for "intrigue" (PA8500-8700 CPU perf counters) | |
3 | * | |
4 | * Copyright (C) 2001 Randolph Chung <tausq at parisc-linux.org> | |
5 | * Copyright (C) 2001 Hewlett-Packard (Grant Grundler) | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
20 | */ | |
21 | ||
1da177e4 | 22 | #include <asm/assembly.h> |
c913f94d KM |
23 | |
24 | #include <linux/init.h> | |
8e9e9844 | 25 | #include <linux/linkage.h> |
1da177e4 LT |
26 | |
27 | #ifdef CONFIG_64BIT | |
28 | .level 2.0w | |
29 | #endif /* CONFIG_64BIT */ | |
30 | ||
31 | #define MTDIAG_1(gr) .word 0x14201840 + gr*0x10000 | |
32 | #define MTDIAG_2(gr) .word 0x14401840 + gr*0x10000 | |
33 | #define MFDIAG_1(gr) .word 0x142008A0 + gr | |
34 | #define MFDIAG_2(gr) .word 0x144008A0 + gr | |
35 | #define STDIAG(dr) .word 0x14000AA0 + dr*0x200000 | |
36 | #define SFDIAG(dr) .word 0x14000BA0 + dr*0x200000 | |
37 | #define DR2_SLOW_RET 53 | |
38 | ||
39 | ||
40 | ; | |
41 | ; Enable the performance counters | |
42 | ; | |
43 | ; The coprocessor only needs to be enabled when | |
44 | ; starting/stopping the coprocessor with the pmenb/pmdis. | |
45 | ; | |
dfcf753b | 46 | .text |
1da177e4 | 47 | |
8e9e9844 | 48 | ENTRY(perf_intrigue_enable_perf_counters) |
1da177e4 LT |
49 | .proc |
50 | .callinfo frame=0,NO_CALLS | |
51 | .entry | |
52 | ||
53 | ldi 0x20,%r25 ; load up perfmon bit | |
54 | mfctl ccr,%r26 ; get coprocessor register | |
55 | or %r25,%r26,%r26 ; set bit | |
56 | mtctl %r26,ccr ; turn on performance coprocessor | |
57 | pmenb ; enable performance monitor | |
58 | ssm 0,0 ; dummy op to ensure completion | |
59 | sync ; follow ERS | |
60 | andcm %r26,%r25,%r26 ; clear bit now | |
61 | mtctl %r26,ccr ; turn off performance coprocessor | |
62 | nop ; NOPs as specified in ERS | |
63 | nop | |
64 | nop | |
65 | nop | |
66 | nop | |
67 | nop | |
68 | nop | |
69 | bve (%r2) | |
70 | nop | |
71 | .exit | |
72 | .procend | |
8e9e9844 | 73 | ENDPROC(perf_intrigue_enable_perf_counters) |
1da177e4 | 74 | |
8e9e9844 | 75 | ENTRY(perf_intrigue_disable_perf_counters) |
1da177e4 LT |
76 | .proc |
77 | .callinfo frame=0,NO_CALLS | |
78 | .entry | |
79 | ldi 0x20,%r25 ; load up perfmon bit | |
80 | mfctl ccr,%r26 ; get coprocessor register | |
81 | or %r25,%r26,%r26 ; set bit | |
82 | mtctl %r26,ccr ; turn on performance coprocessor | |
83 | pmdis ; disable performance monitor | |
84 | ssm 0,0 ; dummy op to ensure completion | |
85 | andcm %r26,%r25,%r26 ; clear bit now | |
86 | bve (%r2) | |
87 | mtctl %r26,ccr ; turn off performance coprocessor | |
88 | .exit | |
89 | .procend | |
8e9e9844 | 90 | ENDPROC(perf_intrigue_disable_perf_counters) |
1da177e4 LT |
91 | |
92 | ;*********************************************************************** | |
93 | ;* | |
94 | ;* Name: perf_rdr_shift_in_W | |
95 | ;* | |
96 | ;* Description: | |
97 | ;* This routine shifts data in from the RDR in arg0 and returns | |
98 | ;* the result in ret0. If the RDR is <= 64 bits in length, it | |
99 | ;* is shifted shifted backup immediately. This is to compensate | |
100 | ;* for RDR10 which has bits that preclude PDC stack operations | |
101 | ;* when they are in the wrong state. | |
102 | ;* | |
103 | ;* Arguments: | |
104 | ;* arg0 : rdr to be read | |
105 | ;* arg1 : bit length of rdr | |
106 | ;* | |
107 | ;* Returns: | |
108 | ;* ret0 = next 64 bits of rdr data from staging register | |
109 | ;* | |
110 | ;* Register usage: | |
111 | ;* arg0 : rdr to be read | |
112 | ;* arg1 : bit length of rdr | |
113 | ;* %r24 - original DR2 value | |
114 | ;* %r1 - scratch | |
115 | ;* %r29 - scratch | |
116 | ;* | |
117 | ;* Returns: | |
118 | ;* ret0 = RDR data (right justified) | |
119 | ;* | |
120 | ;*********************************************************************** | |
121 | ||
8e9e9844 | 122 | ENTRY(perf_rdr_shift_in_W) |
1da177e4 LT |
123 | .proc |
124 | .callinfo frame=0,NO_CALLS | |
125 | .entry | |
126 | ; | |
127 | ; read(shift in) the RDR. | |
128 | ; | |
129 | ||
130 | ; NOTE: The PCX-W ERS states that DR2_SLOW_RET must be set before any | |
131 | ; shifting is done, from or to, remote diagnose registers. | |
132 | ; | |
133 | ||
134 | depdi,z 1,DR2_SLOW_RET,1,%r29 | |
135 | MFDIAG_2 (24) | |
136 | or %r24,%r29,%r29 | |
137 | MTDIAG_2 (29) ; set DR2_SLOW_RET | |
138 | ||
139 | nop | |
140 | nop | |
141 | nop | |
142 | nop | |
143 | ||
144 | ; | |
145 | ; Cacheline start (32-byte cacheline) | |
146 | ; | |
147 | nop | |
148 | nop | |
149 | nop | |
150 | extrd,u arg1,63,6,%r1 ; setup shift amount by bits to move | |
151 | ||
152 | mtsar %r1 | |
153 | shladd arg0,2,%r0,%r1 ; %r1 = 4 * RDR number | |
154 | blr %r1,%r0 ; branch to 8-instruction sequence | |
155 | nop | |
156 | ||
157 | ; | |
158 | ; Cacheline start (32-byte cacheline) | |
159 | ; | |
160 | ||
161 | ; | |
162 | ; RDR 0 sequence | |
163 | ; | |
164 | SFDIAG (0) | |
165 | ssm 0,0 | |
166 | MFDIAG_1 (28) | |
167 | shrpd ret0,%r0,%sar,%r1 | |
168 | MTDIAG_1 (1) ; mtdiag %dr1, %r1 | |
169 | STDIAG (0) | |
170 | ssm 0,0 | |
171 | b,n perf_rdr_shift_in_W_leave | |
172 | ||
173 | ; | |
174 | ; RDR 1 sequence | |
175 | ; | |
176 | sync | |
177 | ssm 0,0 | |
178 | SFDIAG (1) | |
179 | ssm 0,0 | |
180 | MFDIAG_1 (28) | |
181 | ssm 0,0 | |
182 | b,n perf_rdr_shift_in_W_leave | |
183 | nop | |
184 | ||
185 | ; | |
186 | ; RDR 2 read sequence | |
187 | ; | |
188 | SFDIAG (2) | |
189 | ssm 0,0 | |
190 | MFDIAG_1 (28) | |
191 | shrpd ret0,%r0,%sar,%r1 | |
192 | MTDIAG_1 (1) | |
193 | STDIAG (2) | |
194 | ssm 0,0 | |
195 | b,n perf_rdr_shift_in_W_leave | |
196 | ||
197 | ; | |
198 | ; RDR 3 read sequence | |
199 | ; | |
200 | b,n perf_rdr_shift_in_W_leave | |
201 | nop | |
202 | nop | |
203 | nop | |
204 | nop | |
205 | nop | |
206 | nop | |
207 | nop | |
208 | ||
209 | ; | |
210 | ; RDR 4 read sequence | |
211 | ; | |
212 | sync | |
213 | ssm 0,0 | |
214 | SFDIAG (4) | |
215 | ssm 0,0 | |
216 | MFDIAG_1 (28) | |
217 | b,n perf_rdr_shift_in_W_leave | |
218 | ssm 0,0 | |
219 | nop | |
220 | ||
221 | ; | |
222 | ; RDR 5 read sequence | |
223 | ; | |
224 | sync | |
225 | ssm 0,0 | |
226 | SFDIAG (5) | |
227 | ssm 0,0 | |
228 | MFDIAG_1 (28) | |
229 | b,n perf_rdr_shift_in_W_leave | |
230 | ssm 0,0 | |
231 | nop | |
232 | ||
233 | ; | |
234 | ; RDR 6 read sequence | |
235 | ; | |
236 | sync | |
237 | ssm 0,0 | |
238 | SFDIAG (6) | |
239 | ssm 0,0 | |
240 | MFDIAG_1 (28) | |
241 | b,n perf_rdr_shift_in_W_leave | |
242 | ssm 0,0 | |
243 | nop | |
244 | ||
245 | ; | |
246 | ; RDR 7 read sequence | |
247 | ; | |
248 | b,n perf_rdr_shift_in_W_leave | |
249 | nop | |
250 | nop | |
251 | nop | |
252 | nop | |
253 | nop | |
254 | nop | |
255 | nop | |
256 | ||
257 | ; | |
258 | ; RDR 8 read sequence | |
259 | ; | |
260 | b,n perf_rdr_shift_in_W_leave | |
261 | nop | |
262 | nop | |
263 | nop | |
264 | nop | |
265 | nop | |
266 | nop | |
267 | nop | |
268 | ||
269 | ; | |
270 | ; RDR 9 read sequence | |
271 | ; | |
272 | b,n perf_rdr_shift_in_W_leave | |
273 | nop | |
274 | nop | |
275 | nop | |
276 | nop | |
277 | nop | |
278 | nop | |
279 | nop | |
280 | ||
281 | ; | |
282 | ; RDR 10 read sequence | |
283 | ; | |
284 | SFDIAG (10) | |
285 | ssm 0,0 | |
286 | MFDIAG_1 (28) | |
287 | shrpd ret0,%r0,%sar,%r1 | |
288 | MTDIAG_1 (1) | |
289 | STDIAG (10) | |
290 | ssm 0,0 | |
291 | b,n perf_rdr_shift_in_W_leave | |
292 | ||
293 | ; | |
294 | ; RDR 11 read sequence | |
295 | ; | |
296 | SFDIAG (11) | |
297 | ssm 0,0 | |
298 | MFDIAG_1 (28) | |
299 | shrpd ret0,%r0,%sar,%r1 | |
300 | MTDIAG_1 (1) | |
301 | STDIAG (11) | |
302 | ssm 0,0 | |
303 | b,n perf_rdr_shift_in_W_leave | |
304 | ||
305 | ; | |
306 | ; RDR 12 read sequence | |
307 | ; | |
308 | b,n perf_rdr_shift_in_W_leave | |
309 | nop | |
310 | nop | |
311 | nop | |
312 | nop | |
313 | nop | |
314 | nop | |
315 | nop | |
316 | ||
317 | ; | |
318 | ; RDR 13 read sequence | |
319 | ; | |
320 | sync | |
321 | ssm 0,0 | |
322 | SFDIAG (13) | |
323 | ssm 0,0 | |
324 | MFDIAG_1 (28) | |
325 | b,n perf_rdr_shift_in_W_leave | |
326 | ssm 0,0 | |
327 | nop | |
328 | ||
329 | ; | |
330 | ; RDR 14 read sequence | |
331 | ; | |
332 | SFDIAG (14) | |
333 | ssm 0,0 | |
334 | MFDIAG_1 (28) | |
335 | shrpd ret0,%r0,%sar,%r1 | |
336 | MTDIAG_1 (1) | |
337 | STDIAG (14) | |
338 | ssm 0,0 | |
339 | b,n perf_rdr_shift_in_W_leave | |
340 | ||
341 | ; | |
342 | ; RDR 15 read sequence | |
343 | ; | |
344 | sync | |
345 | ssm 0,0 | |
346 | SFDIAG (15) | |
347 | ssm 0,0 | |
348 | MFDIAG_1 (28) | |
349 | ssm 0,0 | |
350 | b,n perf_rdr_shift_in_W_leave | |
351 | nop | |
352 | ||
353 | ; | |
354 | ; RDR 16 read sequence | |
355 | ; | |
356 | sync | |
357 | ssm 0,0 | |
358 | SFDIAG (16) | |
359 | ssm 0,0 | |
360 | MFDIAG_1 (28) | |
361 | b,n perf_rdr_shift_in_W_leave | |
362 | ssm 0,0 | |
363 | nop | |
364 | ||
365 | ; | |
366 | ; RDR 17 read sequence | |
367 | ; | |
368 | SFDIAG (17) | |
369 | ssm 0,0 | |
370 | MFDIAG_1 (28) | |
371 | shrpd ret0,%r0,%sar,%r1 | |
372 | MTDIAG_1 (1) | |
373 | STDIAG (17) | |
374 | ssm 0,0 | |
375 | b,n perf_rdr_shift_in_W_leave | |
376 | ||
377 | ; | |
378 | ; RDR 18 read sequence | |
379 | ; | |
380 | SFDIAG (18) | |
381 | ssm 0,0 | |
382 | MFDIAG_1 (28) | |
383 | shrpd ret0,%r0,%sar,%r1 | |
384 | MTDIAG_1 (1) | |
385 | STDIAG (18) | |
386 | ssm 0,0 | |
387 | b,n perf_rdr_shift_in_W_leave | |
388 | ||
389 | ; | |
390 | ; RDR 19 read sequence | |
391 | ; | |
392 | b,n perf_rdr_shift_in_W_leave | |
393 | nop | |
394 | nop | |
395 | nop | |
396 | nop | |
397 | nop | |
398 | nop | |
399 | nop | |
400 | ||
401 | ; | |
402 | ; RDR 20 read sequence | |
403 | ; | |
404 | sync | |
405 | ssm 0,0 | |
406 | SFDIAG (20) | |
407 | ssm 0,0 | |
408 | MFDIAG_1 (28) | |
409 | b,n perf_rdr_shift_in_W_leave | |
410 | ssm 0,0 | |
411 | nop | |
412 | ||
413 | ; | |
414 | ; RDR 21 read sequence | |
415 | ; | |
416 | sync | |
417 | ssm 0,0 | |
418 | SFDIAG (21) | |
419 | ssm 0,0 | |
420 | MFDIAG_1 (28) | |
421 | b,n perf_rdr_shift_in_W_leave | |
422 | ssm 0,0 | |
423 | nop | |
424 | ||
425 | ; | |
426 | ; RDR 22 read sequence | |
427 | ; | |
428 | sync | |
429 | ssm 0,0 | |
430 | SFDIAG (22) | |
431 | ssm 0,0 | |
432 | MFDIAG_1 (28) | |
433 | b,n perf_rdr_shift_in_W_leave | |
434 | ssm 0,0 | |
435 | nop | |
436 | ||
437 | ; | |
438 | ; RDR 23 read sequence | |
439 | ; | |
440 | sync | |
441 | ssm 0,0 | |
442 | SFDIAG (23) | |
443 | ssm 0,0 | |
444 | MFDIAG_1 (28) | |
445 | b,n perf_rdr_shift_in_W_leave | |
446 | ssm 0,0 | |
447 | nop | |
448 | ||
449 | ; | |
450 | ; RDR 24 read sequence | |
451 | ; | |
452 | sync | |
453 | ssm 0,0 | |
454 | SFDIAG (24) | |
455 | ssm 0,0 | |
456 | MFDIAG_1 (28) | |
457 | b,n perf_rdr_shift_in_W_leave | |
458 | ssm 0,0 | |
459 | nop | |
460 | ||
461 | ; | |
462 | ; RDR 25 read sequence | |
463 | ; | |
464 | sync | |
465 | ssm 0,0 | |
466 | SFDIAG (25) | |
467 | ssm 0,0 | |
468 | MFDIAG_1 (28) | |
469 | b,n perf_rdr_shift_in_W_leave | |
470 | ssm 0,0 | |
471 | nop | |
472 | ||
473 | ; | |
474 | ; RDR 26 read sequence | |
475 | ; | |
476 | SFDIAG (26) | |
477 | ssm 0,0 | |
478 | MFDIAG_1 (28) | |
479 | shrpd ret0,%r0,%sar,%r1 | |
480 | MTDIAG_1 (1) | |
481 | STDIAG (26) | |
482 | ssm 0,0 | |
483 | b,n perf_rdr_shift_in_W_leave | |
484 | ||
485 | ; | |
486 | ; RDR 27 read sequence | |
487 | ; | |
488 | SFDIAG (27) | |
489 | ssm 0,0 | |
490 | MFDIAG_1 (28) | |
491 | shrpd ret0,%r0,%sar,%r1 | |
492 | MTDIAG_1 (1) | |
493 | STDIAG (27) | |
494 | ssm 0,0 | |
495 | b,n perf_rdr_shift_in_W_leave | |
496 | ||
497 | ; | |
498 | ; RDR 28 read sequence | |
499 | ; | |
500 | sync | |
501 | ssm 0,0 | |
502 | SFDIAG (28) | |
503 | ssm 0,0 | |
504 | MFDIAG_1 (28) | |
505 | b,n perf_rdr_shift_in_W_leave | |
506 | ssm 0,0 | |
507 | nop | |
508 | ||
509 | ; | |
510 | ; RDR 29 read sequence | |
511 | ; | |
512 | sync | |
513 | ssm 0,0 | |
514 | SFDIAG (29) | |
515 | ssm 0,0 | |
516 | MFDIAG_1 (28) | |
517 | b,n perf_rdr_shift_in_W_leave | |
518 | ssm 0,0 | |
519 | nop | |
520 | ||
521 | ; | |
522 | ; RDR 30 read sequence | |
523 | ; | |
524 | SFDIAG (30) | |
525 | ssm 0,0 | |
526 | MFDIAG_1 (28) | |
527 | shrpd ret0,%r0,%sar,%r1 | |
528 | MTDIAG_1 (1) | |
529 | STDIAG (30) | |
530 | ssm 0,0 | |
531 | b,n perf_rdr_shift_in_W_leave | |
532 | ||
533 | ; | |
534 | ; RDR 31 read sequence | |
535 | ; | |
536 | sync | |
537 | ssm 0,0 | |
538 | SFDIAG (31) | |
539 | ssm 0,0 | |
540 | MFDIAG_1 (28) | |
541 | nop | |
542 | ssm 0,0 | |
543 | nop | |
544 | ||
545 | ; | |
546 | ; Fallthrough | |
547 | ; | |
548 | ||
549 | perf_rdr_shift_in_W_leave: | |
550 | bve (%r2) | |
551 | .exit | |
552 | MTDIAG_2 (24) ; restore DR2 | |
553 | .procend | |
8e9e9844 | 554 | ENDPROC(perf_rdr_shift_in_W) |
1da177e4 LT |
555 | |
556 | ||
557 | ;*********************************************************************** | |
558 | ;* | |
559 | ;* Name: perf_rdr_shift_out_W | |
560 | ;* | |
561 | ;* Description: | |
562 | ;* This routine moves data to the RDR's. The double-word that | |
563 | ;* arg1 points to is loaded and moved into the staging register. | |
564 | ;* Then the STDIAG instruction for the RDR # in arg0 is called | |
565 | ;* to move the data to the RDR. | |
566 | ;* | |
567 | ;* Arguments: | |
568 | ;* arg0 = rdr number | |
569 | ;* arg1 = 64-bit value to write | |
570 | ;* %r24 - DR2 | DR2_SLOW_RET | |
571 | ;* %r23 - original DR2 value | |
572 | ;* | |
573 | ;* Returns: | |
574 | ;* None | |
575 | ;* | |
576 | ;* Register usage: | |
577 | ;* | |
578 | ;*********************************************************************** | |
579 | ||
8e9e9844 | 580 | ENTRY(perf_rdr_shift_out_W) |
1da177e4 LT |
581 | .proc |
582 | .callinfo frame=0,NO_CALLS | |
583 | .entry | |
584 | ; | |
585 | ; NOTE: The PCX-W ERS states that DR2_SLOW_RET must be set before any | |
586 | ; shifting is done, from or to, the remote diagnose registers. | |
587 | ; | |
588 | ||
589 | depdi,z 1,DR2_SLOW_RET,1,%r24 | |
590 | MFDIAG_2 (23) | |
591 | or %r24,%r23,%r24 | |
592 | MTDIAG_2 (24) ; set DR2_SLOW_RET | |
593 | MTDIAG_1 (25) ; data to the staging register | |
594 | shladd arg0,2,%r0,%r1 ; %r1 = 4 * RDR number | |
595 | blr %r1,%r0 ; branch to 8-instruction sequence | |
596 | nop | |
597 | ||
598 | ; | |
599 | ; RDR 0 write sequence | |
600 | ; | |
601 | sync ; RDR 0 write sequence | |
602 | ssm 0,0 | |
603 | STDIAG (0) | |
604 | ssm 0,0 | |
605 | b,n perf_rdr_shift_out_W_leave | |
606 | nop | |
607 | ssm 0,0 | |
608 | nop | |
609 | ||
610 | ; | |
611 | ; RDR 1 write sequence | |
612 | ; | |
613 | sync | |
614 | ssm 0,0 | |
615 | STDIAG (1) | |
616 | ssm 0,0 | |
617 | b,n perf_rdr_shift_out_W_leave | |
618 | nop | |
619 | ssm 0,0 | |
620 | nop | |
621 | ||
622 | ; | |
623 | ; RDR 2 write sequence | |
624 | ; | |
625 | sync | |
626 | ssm 0,0 | |
627 | STDIAG (2) | |
628 | ssm 0,0 | |
629 | b,n perf_rdr_shift_out_W_leave | |
630 | nop | |
631 | ssm 0,0 | |
632 | nop | |
633 | ||
634 | ; | |
635 | ; RDR 3 write sequence | |
636 | ; | |
637 | sync | |
638 | ssm 0,0 | |
639 | STDIAG (3) | |
640 | ssm 0,0 | |
641 | b,n perf_rdr_shift_out_W_leave | |
642 | nop | |
643 | ssm 0,0 | |
644 | nop | |
645 | ||
646 | ; | |
647 | ; RDR 4 write sequence | |
648 | ; | |
649 | sync | |
650 | ssm 0,0 | |
651 | STDIAG (4) | |
652 | ssm 0,0 | |
653 | b,n perf_rdr_shift_out_W_leave | |
654 | nop | |
655 | ssm 0,0 | |
656 | nop | |
657 | ||
658 | ; | |
659 | ; RDR 5 write sequence | |
660 | ; | |
661 | sync | |
662 | ssm 0,0 | |
663 | STDIAG (5) | |
664 | ssm 0,0 | |
665 | b,n perf_rdr_shift_out_W_leave | |
666 | nop | |
667 | ssm 0,0 | |
668 | nop | |
669 | ||
670 | ; | |
671 | ; RDR 6 write sequence | |
672 | ; | |
673 | sync | |
674 | ssm 0,0 | |
675 | STDIAG (6) | |
676 | ssm 0,0 | |
677 | b,n perf_rdr_shift_out_W_leave | |
678 | nop | |
679 | ssm 0,0 | |
680 | nop | |
681 | ||
682 | ; | |
683 | ; RDR 7 write sequence | |
684 | ; | |
685 | sync | |
686 | ssm 0,0 | |
687 | STDIAG (7) | |
688 | ssm 0,0 | |
689 | b,n perf_rdr_shift_out_W_leave | |
690 | nop | |
691 | ssm 0,0 | |
692 | nop | |
693 | ||
694 | ; | |
695 | ; RDR 8 write sequence | |
696 | ; | |
697 | sync | |
698 | ssm 0,0 | |
699 | STDIAG (8) | |
700 | ssm 0,0 | |
701 | b,n perf_rdr_shift_out_W_leave | |
702 | nop | |
703 | ssm 0,0 | |
704 | nop | |
705 | ||
706 | ; | |
707 | ; RDR 9 write sequence | |
708 | ; | |
709 | sync | |
710 | ssm 0,0 | |
711 | STDIAG (9) | |
712 | ssm 0,0 | |
713 | b,n perf_rdr_shift_out_W_leave | |
714 | nop | |
715 | ssm 0,0 | |
716 | nop | |
717 | ||
718 | ; | |
719 | ; RDR 10 write sequence | |
720 | ; | |
721 | sync | |
722 | ssm 0,0 | |
723 | STDIAG (10) | |
724 | STDIAG (26) | |
725 | ssm 0,0 | |
726 | b,n perf_rdr_shift_out_W_leave | |
727 | ssm 0,0 | |
728 | nop | |
729 | ||
730 | ; | |
731 | ; RDR 11 write sequence | |
732 | ; | |
733 | sync | |
734 | ssm 0,0 | |
735 | STDIAG (11) | |
736 | STDIAG (27) | |
737 | ssm 0,0 | |
738 | b,n perf_rdr_shift_out_W_leave | |
739 | ssm 0,0 | |
740 | nop | |
741 | ||
742 | ; | |
743 | ; RDR 12 write sequence | |
744 | ; | |
745 | sync | |
746 | ssm 0,0 | |
747 | STDIAG (12) | |
748 | ssm 0,0 | |
749 | b,n perf_rdr_shift_out_W_leave | |
750 | nop | |
751 | ssm 0,0 | |
752 | nop | |
753 | ||
754 | ; | |
755 | ; RDR 13 write sequence | |
756 | ; | |
757 | sync | |
758 | ssm 0,0 | |
759 | STDIAG (13) | |
760 | ssm 0,0 | |
761 | b,n perf_rdr_shift_out_W_leave | |
762 | nop | |
763 | ssm 0,0 | |
764 | nop | |
765 | ||
766 | ; | |
767 | ; RDR 14 write sequence | |
768 | ; | |
769 | sync | |
770 | ssm 0,0 | |
771 | STDIAG (14) | |
772 | ssm 0,0 | |
773 | b,n perf_rdr_shift_out_W_leave | |
774 | nop | |
775 | ssm 0,0 | |
776 | nop | |
777 | ||
778 | ; | |
779 | ; RDR 15 write sequence | |
780 | ; | |
781 | sync | |
782 | ssm 0,0 | |
783 | STDIAG (15) | |
784 | ssm 0,0 | |
785 | b,n perf_rdr_shift_out_W_leave | |
786 | nop | |
787 | ssm 0,0 | |
788 | nop | |
789 | ||
790 | ; | |
791 | ; RDR 16 write sequence | |
792 | ; | |
793 | sync | |
794 | ssm 0,0 | |
795 | STDIAG (16) | |
796 | ssm 0,0 | |
797 | b,n perf_rdr_shift_out_W_leave | |
798 | nop | |
799 | ssm 0,0 | |
800 | nop | |
801 | ||
802 | ; | |
803 | ; RDR 17 write sequence | |
804 | ; | |
805 | sync | |
806 | ssm 0,0 | |
807 | STDIAG (17) | |
808 | ssm 0,0 | |
809 | b,n perf_rdr_shift_out_W_leave | |
810 | nop | |
811 | ssm 0,0 | |
812 | nop | |
813 | ||
814 | ; | |
815 | ; RDR 18 write sequence | |
816 | ; | |
817 | sync | |
818 | ssm 0,0 | |
819 | STDIAG (18) | |
820 | ssm 0,0 | |
821 | b,n perf_rdr_shift_out_W_leave | |
822 | nop | |
823 | ssm 0,0 | |
824 | nop | |
825 | ||
826 | ; | |
827 | ; RDR 19 write sequence | |
828 | ; | |
829 | sync | |
830 | ssm 0,0 | |
831 | STDIAG (19) | |
832 | ssm 0,0 | |
833 | b,n perf_rdr_shift_out_W_leave | |
834 | nop | |
835 | ssm 0,0 | |
836 | nop | |
837 | ||
838 | ; | |
839 | ; RDR 20 write sequence | |
840 | ; | |
841 | sync | |
842 | ssm 0,0 | |
843 | STDIAG (20) | |
844 | ssm 0,0 | |
845 | b,n perf_rdr_shift_out_W_leave | |
846 | nop | |
847 | ssm 0,0 | |
848 | nop | |
849 | ||
850 | ; | |
851 | ; RDR 21 write sequence | |
852 | ; | |
853 | sync | |
854 | ssm 0,0 | |
855 | STDIAG (21) | |
856 | ssm 0,0 | |
857 | b,n perf_rdr_shift_out_W_leave | |
858 | nop | |
859 | ssm 0,0 | |
860 | nop | |
861 | ||
862 | ; | |
863 | ; RDR 22 write sequence | |
864 | ; | |
865 | sync | |
866 | ssm 0,0 | |
867 | STDIAG (22) | |
868 | ssm 0,0 | |
869 | b,n perf_rdr_shift_out_W_leave | |
870 | nop | |
871 | ssm 0,0 | |
872 | nop | |
873 | ||
874 | ; | |
875 | ; RDR 23 write sequence | |
876 | ; | |
877 | sync | |
878 | ssm 0,0 | |
879 | STDIAG (23) | |
880 | ssm 0,0 | |
881 | b,n perf_rdr_shift_out_W_leave | |
882 | nop | |
883 | ssm 0,0 | |
884 | nop | |
885 | ||
886 | ; | |
887 | ; RDR 24 write sequence | |
888 | ; | |
889 | sync | |
890 | ssm 0,0 | |
891 | STDIAG (24) | |
892 | ssm 0,0 | |
893 | b,n perf_rdr_shift_out_W_leave | |
894 | nop | |
895 | ssm 0,0 | |
896 | nop | |
897 | ||
898 | ; | |
899 | ; RDR 25 write sequence | |
900 | ; | |
901 | sync | |
902 | ssm 0,0 | |
903 | STDIAG (25) | |
904 | ssm 0,0 | |
905 | b,n perf_rdr_shift_out_W_leave | |
906 | nop | |
907 | ssm 0,0 | |
908 | nop | |
909 | ||
910 | ; | |
911 | ; RDR 26 write sequence | |
912 | ; | |
913 | sync | |
914 | ssm 0,0 | |
915 | STDIAG (10) | |
916 | STDIAG (26) | |
917 | ssm 0,0 | |
918 | b,n perf_rdr_shift_out_W_leave | |
919 | ssm 0,0 | |
920 | nop | |
921 | ||
922 | ; | |
923 | ; RDR 27 write sequence | |
924 | ; | |
925 | sync | |
926 | ssm 0,0 | |
927 | STDIAG (11) | |
928 | STDIAG (27) | |
929 | ssm 0,0 | |
930 | b,n perf_rdr_shift_out_W_leave | |
931 | ssm 0,0 | |
932 | nop | |
933 | ||
934 | ; | |
935 | ; RDR 28 write sequence | |
936 | ; | |
937 | sync | |
938 | ssm 0,0 | |
939 | STDIAG (28) | |
940 | ssm 0,0 | |
941 | b,n perf_rdr_shift_out_W_leave | |
942 | nop | |
943 | ssm 0,0 | |
944 | nop | |
945 | ||
946 | ; | |
947 | ; RDR 29 write sequence | |
948 | ; | |
949 | sync | |
950 | ssm 0,0 | |
951 | STDIAG (29) | |
952 | ssm 0,0 | |
953 | b,n perf_rdr_shift_out_W_leave | |
954 | nop | |
955 | ssm 0,0 | |
956 | nop | |
957 | ||
958 | ; | |
959 | ; RDR 30 write sequence | |
960 | ; | |
961 | sync | |
962 | ssm 0,0 | |
963 | STDIAG (30) | |
964 | ssm 0,0 | |
965 | b,n perf_rdr_shift_out_W_leave | |
966 | nop | |
967 | ssm 0,0 | |
968 | nop | |
969 | ||
970 | ; | |
971 | ; RDR 31 write sequence | |
972 | ; | |
973 | sync | |
974 | ssm 0,0 | |
975 | STDIAG (31) | |
976 | ssm 0,0 | |
977 | b,n perf_rdr_shift_out_W_leave | |
978 | nop | |
979 | ssm 0,0 | |
980 | nop | |
981 | ||
982 | perf_rdr_shift_out_W_leave: | |
983 | bve (%r2) | |
984 | .exit | |
985 | MTDIAG_2 (23) ; restore DR2 | |
986 | .procend | |
8e9e9844 | 987 | ENDPROC(perf_rdr_shift_out_W) |
1da177e4 LT |
988 | |
989 | ||
990 | ;*********************************************************************** | |
991 | ;* | |
992 | ;* Name: rdr_shift_in_U | |
993 | ;* | |
994 | ;* Description: | |
995 | ;* This routine shifts data in from the RDR in arg0 and returns | |
996 | ;* the result in ret0. If the RDR is <= 64 bits in length, it | |
997 | ;* is shifted shifted backup immediately. This is to compensate | |
998 | ;* for RDR10 which has bits that preclude PDC stack operations | |
999 | ;* when they are in the wrong state. | |
1000 | ;* | |
1001 | ;* Arguments: | |
1002 | ;* arg0 : rdr to be read | |
1003 | ;* arg1 : bit length of rdr | |
1004 | ;* | |
1005 | ;* Returns: | |
1006 | ;* ret0 = next 64 bits of rdr data from staging register | |
1007 | ;* | |
1008 | ;* Register usage: | |
1009 | ;* arg0 : rdr to be read | |
1010 | ;* arg1 : bit length of rdr | |
1011 | ;* %r24 - original DR2 value | |
1012 | ;* %r23 - DR2 | DR2_SLOW_RET | |
1013 | ;* %r1 - scratch | |
1014 | ;* | |
1015 | ;*********************************************************************** | |
1016 | ||
8e9e9844 | 1017 | ENTRY(perf_rdr_shift_in_U) |
1da177e4 LT |
1018 | .proc |
1019 | .callinfo frame=0,NO_CALLS | |
1020 | .entry | |
1021 | ||
1022 | ; read(shift in) the RDR. | |
1023 | ; | |
1024 | ; NOTE: The PCX-U ERS states that DR2_SLOW_RET must be set before any | |
1025 | ; shifting is done, from or to, remote diagnose registers. | |
1026 | ||
1027 | depdi,z 1,DR2_SLOW_RET,1,%r29 | |
1028 | MFDIAG_2 (24) | |
1029 | or %r24,%r29,%r29 | |
1030 | MTDIAG_2 (29) ; set DR2_SLOW_RET | |
1031 | ||
1032 | nop | |
1033 | nop | |
1034 | nop | |
1035 | nop | |
1036 | ||
1037 | ; | |
1038 | ; Start of next 32-byte cacheline | |
1039 | ; | |
1040 | nop | |
1041 | nop | |
1042 | nop | |
1043 | extrd,u arg1,63,6,%r1 | |
1044 | ||
1045 | mtsar %r1 | |
1046 | shladd arg0,2,%r0,%r1 ; %r1 = 4 * RDR number | |
1047 | blr %r1,%r0 ; branch to 8-instruction sequence | |
1048 | nop | |
1049 | ||
1050 | ; | |
1051 | ; Start of next 32-byte cacheline | |
1052 | ; | |
1053 | SFDIAG (0) ; RDR 0 read sequence | |
1054 | ssm 0,0 | |
1055 | MFDIAG_1 (28) | |
1056 | shrpd ret0,%r0,%sar,%r1 | |
1057 | MTDIAG_1 (1) | |
1058 | STDIAG (0) | |
1059 | ssm 0,0 | |
1060 | b,n perf_rdr_shift_in_U_leave | |
1061 | ||
1062 | SFDIAG (1) ; RDR 1 read sequence | |
1063 | ssm 0,0 | |
1064 | MFDIAG_1 (28) | |
1065 | shrpd ret0,%r0,%sar,%r1 | |
1066 | MTDIAG_1 (1) | |
1067 | STDIAG (1) | |
1068 | ssm 0,0 | |
1069 | b,n perf_rdr_shift_in_U_leave | |
1070 | ||
1071 | sync ; RDR 2 read sequence | |
1072 | ssm 0,0 | |
1073 | SFDIAG (4) | |
1074 | ssm 0,0 | |
1075 | MFDIAG_1 (28) | |
1076 | b,n perf_rdr_shift_in_U_leave | |
1077 | ssm 0,0 | |
1078 | nop | |
1079 | ||
1080 | sync ; RDR 3 read sequence | |
1081 | ssm 0,0 | |
1082 | SFDIAG (3) | |
1083 | ssm 0,0 | |
1084 | MFDIAG_1 (28) | |
1085 | b,n perf_rdr_shift_in_U_leave | |
1086 | ssm 0,0 | |
1087 | nop | |
1088 | ||
1089 | sync ; RDR 4 read sequence | |
1090 | ssm 0,0 | |
1091 | SFDIAG (4) | |
1092 | ssm 0,0 | |
1093 | MFDIAG_1 (28) | |
1094 | b,n perf_rdr_shift_in_U_leave | |
1095 | ssm 0,0 | |
1096 | nop | |
1097 | ||
1098 | sync ; RDR 5 read sequence | |
1099 | ssm 0,0 | |
1100 | SFDIAG (5) | |
1101 | ssm 0,0 | |
1102 | MFDIAG_1 (28) | |
1103 | b,n perf_rdr_shift_in_U_leave | |
1104 | ssm 0,0 | |
1105 | nop | |
1106 | ||
1107 | sync ; RDR 6 read sequence | |
1108 | ssm 0,0 | |
1109 | SFDIAG (6) | |
1110 | ssm 0,0 | |
1111 | MFDIAG_1 (28) | |
1112 | b,n perf_rdr_shift_in_U_leave | |
1113 | ssm 0,0 | |
1114 | nop | |
1115 | ||
1116 | sync ; RDR 7 read sequence | |
1117 | ssm 0,0 | |
1118 | SFDIAG (7) | |
1119 | ssm 0,0 | |
1120 | MFDIAG_1 (28) | |
1121 | b,n perf_rdr_shift_in_U_leave | |
1122 | ssm 0,0 | |
1123 | nop | |
1124 | ||
1125 | b,n perf_rdr_shift_in_U_leave | |
1126 | nop | |
1127 | nop | |
1128 | nop | |
1129 | nop | |
1130 | nop | |
1131 | nop | |
1132 | nop | |
1133 | ||
1134 | SFDIAG (9) ; RDR 9 read sequence | |
1135 | ssm 0,0 | |
1136 | MFDIAG_1 (28) | |
1137 | shrpd ret0,%r0,%sar,%r1 | |
1138 | MTDIAG_1 (1) | |
1139 | STDIAG (9) | |
1140 | ssm 0,0 | |
1141 | b,n perf_rdr_shift_in_U_leave | |
1142 | ||
1143 | SFDIAG (10) ; RDR 10 read sequence | |
1144 | ssm 0,0 | |
1145 | MFDIAG_1 (28) | |
1146 | shrpd ret0,%r0,%sar,%r1 | |
1147 | MTDIAG_1 (1) | |
1148 | STDIAG (10) | |
1149 | ssm 0,0 | |
1150 | b,n perf_rdr_shift_in_U_leave | |
1151 | ||
1152 | SFDIAG (11) ; RDR 11 read sequence | |
1153 | ssm 0,0 | |
1154 | MFDIAG_1 (28) | |
1155 | shrpd ret0,%r0,%sar,%r1 | |
1156 | MTDIAG_1 (1) | |
1157 | STDIAG (11) | |
1158 | ssm 0,0 | |
1159 | b,n perf_rdr_shift_in_U_leave | |
1160 | ||
1161 | SFDIAG (12) ; RDR 12 read sequence | |
1162 | ssm 0,0 | |
1163 | MFDIAG_1 (28) | |
1164 | shrpd ret0,%r0,%sar,%r1 | |
1165 | MTDIAG_1 (1) | |
1166 | STDIAG (12) | |
1167 | ssm 0,0 | |
1168 | b,n perf_rdr_shift_in_U_leave | |
1169 | ||
1170 | SFDIAG (13) ; RDR 13 read sequence | |
1171 | ssm 0,0 | |
1172 | MFDIAG_1 (28) | |
1173 | shrpd ret0,%r0,%sar,%r1 | |
1174 | MTDIAG_1 (1) | |
1175 | STDIAG (13) | |
1176 | ssm 0,0 | |
1177 | b,n perf_rdr_shift_in_U_leave | |
1178 | ||
1179 | SFDIAG (14) ; RDR 14 read sequence | |
1180 | ssm 0,0 | |
1181 | MFDIAG_1 (28) | |
1182 | shrpd ret0,%r0,%sar,%r1 | |
1183 | MTDIAG_1 (1) | |
1184 | STDIAG (14) | |
1185 | ssm 0,0 | |
1186 | b,n perf_rdr_shift_in_U_leave | |
1187 | ||
1188 | SFDIAG (15) ; RDR 15 read sequence | |
1189 | ssm 0,0 | |
1190 | MFDIAG_1 (28) | |
1191 | shrpd ret0,%r0,%sar,%r1 | |
1192 | MTDIAG_1 (1) | |
1193 | STDIAG (15) | |
1194 | ssm 0,0 | |
1195 | b,n perf_rdr_shift_in_U_leave | |
1196 | ||
1197 | sync ; RDR 16 read sequence | |
1198 | ssm 0,0 | |
1199 | SFDIAG (16) | |
1200 | ssm 0,0 | |
1201 | MFDIAG_1 (28) | |
1202 | b,n perf_rdr_shift_in_U_leave | |
1203 | ssm 0,0 | |
1204 | nop | |
1205 | ||
1206 | SFDIAG (17) ; RDR 17 read sequence | |
1207 | ssm 0,0 | |
1208 | MFDIAG_1 (28) | |
1209 | shrpd ret0,%r0,%sar,%r1 | |
1210 | MTDIAG_1 (1) | |
1211 | STDIAG (17) | |
1212 | ssm 0,0 | |
1213 | b,n perf_rdr_shift_in_U_leave | |
1214 | ||
1215 | SFDIAG (18) ; RDR 18 read sequence | |
1216 | ssm 0,0 | |
1217 | MFDIAG_1 (28) | |
1218 | shrpd ret0,%r0,%sar,%r1 | |
1219 | MTDIAG_1 (1) | |
1220 | STDIAG (18) | |
1221 | ssm 0,0 | |
1222 | b,n perf_rdr_shift_in_U_leave | |
1223 | ||
1224 | b,n perf_rdr_shift_in_U_leave | |
1225 | nop | |
1226 | nop | |
1227 | nop | |
1228 | nop | |
1229 | nop | |
1230 | nop | |
1231 | nop | |
1232 | ||
1233 | sync ; RDR 20 read sequence | |
1234 | ssm 0,0 | |
1235 | SFDIAG (20) | |
1236 | ssm 0,0 | |
1237 | MFDIAG_1 (28) | |
1238 | b,n perf_rdr_shift_in_U_leave | |
1239 | ssm 0,0 | |
1240 | nop | |
1241 | ||
1242 | sync ; RDR 21 read sequence | |
1243 | ssm 0,0 | |
1244 | SFDIAG (21) | |
1245 | ssm 0,0 | |
1246 | MFDIAG_1 (28) | |
1247 | b,n perf_rdr_shift_in_U_leave | |
1248 | ssm 0,0 | |
1249 | nop | |
1250 | ||
1251 | sync ; RDR 22 read sequence | |
1252 | ssm 0,0 | |
1253 | SFDIAG (22) | |
1254 | ssm 0,0 | |
1255 | MFDIAG_1 (28) | |
1256 | b,n perf_rdr_shift_in_U_leave | |
1257 | ssm 0,0 | |
1258 | nop | |
1259 | ||
1260 | sync ; RDR 23 read sequence | |
1261 | ssm 0,0 | |
1262 | SFDIAG (23) | |
1263 | ssm 0,0 | |
1264 | MFDIAG_1 (28) | |
1265 | b,n perf_rdr_shift_in_U_leave | |
1266 | ssm 0,0 | |
1267 | nop | |
1268 | ||
1269 | sync ; RDR 24 read sequence | |
1270 | ssm 0,0 | |
1271 | SFDIAG (24) | |
1272 | ssm 0,0 | |
1273 | MFDIAG_1 (28) | |
1274 | b,n perf_rdr_shift_in_U_leave | |
1275 | ssm 0,0 | |
1276 | nop | |
1277 | ||
1278 | sync ; RDR 25 read sequence | |
1279 | ssm 0,0 | |
1280 | SFDIAG (25) | |
1281 | ssm 0,0 | |
1282 | MFDIAG_1 (28) | |
1283 | b,n perf_rdr_shift_in_U_leave | |
1284 | ssm 0,0 | |
1285 | nop | |
1286 | ||
1287 | SFDIAG (26) ; RDR 26 read sequence | |
1288 | ssm 0,0 | |
1289 | MFDIAG_1 (28) | |
1290 | shrpd ret0,%r0,%sar,%r1 | |
1291 | MTDIAG_1 (1) | |
1292 | STDIAG (26) | |
1293 | ssm 0,0 | |
1294 | b,n perf_rdr_shift_in_U_leave | |
1295 | ||
1296 | SFDIAG (27) ; RDR 27 read sequence | |
1297 | ssm 0,0 | |
1298 | MFDIAG_1 (28) | |
1299 | shrpd ret0,%r0,%sar,%r1 | |
1300 | MTDIAG_1 (1) | |
1301 | STDIAG (27) | |
1302 | ssm 0,0 | |
1303 | b,n perf_rdr_shift_in_U_leave | |
1304 | ||
1305 | sync ; RDR 28 read sequence | |
1306 | ssm 0,0 | |
1307 | SFDIAG (28) | |
1308 | ssm 0,0 | |
1309 | MFDIAG_1 (28) | |
1310 | b,n perf_rdr_shift_in_U_leave | |
1311 | ssm 0,0 | |
1312 | nop | |
1313 | ||
1314 | b,n perf_rdr_shift_in_U_leave | |
1315 | nop | |
1316 | nop | |
1317 | nop | |
1318 | nop | |
1319 | nop | |
1320 | nop | |
1321 | nop | |
1322 | ||
1323 | SFDIAG (30) ; RDR 30 read sequence | |
1324 | ssm 0,0 | |
1325 | MFDIAG_1 (28) | |
1326 | shrpd ret0,%r0,%sar,%r1 | |
1327 | MTDIAG_1 (1) | |
1328 | STDIAG (30) | |
1329 | ssm 0,0 | |
1330 | b,n perf_rdr_shift_in_U_leave | |
1331 | ||
1332 | SFDIAG (31) ; RDR 31 read sequence | |
1333 | ssm 0,0 | |
1334 | MFDIAG_1 (28) | |
1335 | shrpd ret0,%r0,%sar,%r1 | |
1336 | MTDIAG_1 (1) | |
1337 | STDIAG (31) | |
1338 | ssm 0,0 | |
1339 | b,n perf_rdr_shift_in_U_leave | |
1340 | nop | |
1341 | ||
1342 | perf_rdr_shift_in_U_leave: | |
1343 | bve (%r2) | |
1344 | .exit | |
1345 | MTDIAG_2 (24) ; restore DR2 | |
1346 | .procend | |
8e9e9844 | 1347 | ENDPROC(perf_rdr_shift_in_U) |
1da177e4 LT |
1348 | |
1349 | ;*********************************************************************** | |
1350 | ;* | |
1351 | ;* Name: rdr_shift_out_U | |
1352 | ;* | |
1353 | ;* Description: | |
1354 | ;* This routine moves data to the RDR's. The double-word that | |
1355 | ;* arg1 points to is loaded and moved into the staging register. | |
1356 | ;* Then the STDIAG instruction for the RDR # in arg0 is called | |
1357 | ;* to move the data to the RDR. | |
1358 | ;* | |
1359 | ;* Arguments: | |
1360 | ;* arg0 = rdr target | |
1361 | ;* arg1 = buffer pointer | |
1362 | ;* | |
1363 | ;* Returns: | |
1364 | ;* None | |
1365 | ;* | |
1366 | ;* Register usage: | |
1367 | ;* arg0 = rdr target | |
1368 | ;* arg1 = buffer pointer | |
1369 | ;* %r24 - DR2 | DR2_SLOW_RET | |
1370 | ;* %r23 - original DR2 value | |
1371 | ;* | |
1372 | ;*********************************************************************** | |
1373 | ||
8e9e9844 | 1374 | ENTRY(perf_rdr_shift_out_U) |
1da177e4 LT |
1375 | .proc |
1376 | .callinfo frame=0,NO_CALLS | |
1377 | .entry | |
1378 | ||
1379 | ; | |
1380 | ; NOTE: The PCX-U ERS states that DR2_SLOW_RET must be set before any | |
1381 | ; shifting is done, from or to, the remote diagnose registers. | |
1382 | ; | |
1383 | ||
1384 | depdi,z 1,DR2_SLOW_RET,1,%r24 | |
1385 | MFDIAG_2 (23) | |
1386 | or %r24,%r23,%r24 | |
1387 | MTDIAG_2 (24) ; set DR2_SLOW_RET | |
1388 | ||
1389 | MTDIAG_1 (25) ; data to the staging register | |
1390 | shladd arg0,2,%r0,%r1 ; %r1 = 4 * RDR number | |
1391 | blr %r1,%r0 ; branch to 8-instruction sequence | |
1392 | nop | |
1393 | ||
1394 | ; | |
1395 | ; 32-byte cachline aligned | |
1396 | ; | |
1397 | ||
1398 | sync ; RDR 0 write sequence | |
1399 | ssm 0,0 | |
1400 | STDIAG (0) | |
1401 | ssm 0,0 | |
1402 | b,n perf_rdr_shift_out_U_leave | |
1403 | nop | |
1404 | ssm 0,0 | |
1405 | nop | |
1406 | ||
1407 | sync ; RDR 1 write sequence | |
1408 | ssm 0,0 | |
1409 | STDIAG (1) | |
1410 | ssm 0,0 | |
1411 | b,n perf_rdr_shift_out_U_leave | |
1412 | nop | |
1413 | ssm 0,0 | |
1414 | nop | |
1415 | ||
1416 | sync ; RDR 2 write sequence | |
1417 | ssm 0,0 | |
1418 | STDIAG (2) | |
1419 | ssm 0,0 | |
1420 | b,n perf_rdr_shift_out_U_leave | |
1421 | nop | |
1422 | ssm 0,0 | |
1423 | nop | |
1424 | ||
1425 | sync ; RDR 3 write sequence | |
1426 | ssm 0,0 | |
1427 | STDIAG (3) | |
1428 | ssm 0,0 | |
1429 | b,n perf_rdr_shift_out_U_leave | |
1430 | nop | |
1431 | ssm 0,0 | |
1432 | nop | |
1433 | ||
1434 | sync ; RDR 4 write sequence | |
1435 | ssm 0,0 | |
1436 | STDIAG (4) | |
1437 | ssm 0,0 | |
1438 | b,n perf_rdr_shift_out_U_leave | |
1439 | nop | |
1440 | ssm 0,0 | |
1441 | nop | |
1442 | ||
1443 | sync ; RDR 5 write sequence | |
1444 | ssm 0,0 | |
1445 | STDIAG (5) | |
1446 | ssm 0,0 | |
1447 | b,n perf_rdr_shift_out_U_leave | |
1448 | nop | |
1449 | ssm 0,0 | |
1450 | nop | |
1451 | ||
1452 | sync ; RDR 6 write sequence | |
1453 | ssm 0,0 | |
1454 | STDIAG (6) | |
1455 | ssm 0,0 | |
1456 | b,n perf_rdr_shift_out_U_leave | |
1457 | nop | |
1458 | ssm 0,0 | |
1459 | nop | |
1460 | ||
1461 | sync ; RDR 7 write sequence | |
1462 | ssm 0,0 | |
1463 | STDIAG (7) | |
1464 | ssm 0,0 | |
1465 | b,n perf_rdr_shift_out_U_leave | |
1466 | nop | |
1467 | ssm 0,0 | |
1468 | nop | |
1469 | ||
1470 | sync ; RDR 8 write sequence | |
1471 | ssm 0,0 | |
1472 | STDIAG (8) | |
1473 | ssm 0,0 | |
1474 | b,n perf_rdr_shift_out_U_leave | |
1475 | nop | |
1476 | ssm 0,0 | |
1477 | nop | |
1478 | ||
1479 | sync ; RDR 9 write sequence | |
1480 | ssm 0,0 | |
1481 | STDIAG (9) | |
1482 | ssm 0,0 | |
1483 | b,n perf_rdr_shift_out_U_leave | |
1484 | nop | |
1485 | ssm 0,0 | |
1486 | nop | |
1487 | ||
1488 | sync ; RDR 10 write sequence | |
1489 | ssm 0,0 | |
1490 | STDIAG (10) | |
1491 | ssm 0,0 | |
1492 | b,n perf_rdr_shift_out_U_leave | |
1493 | nop | |
1494 | ssm 0,0 | |
1495 | nop | |
1496 | ||
1497 | sync ; RDR 11 write sequence | |
1498 | ssm 0,0 | |
1499 | STDIAG (11) | |
1500 | ssm 0,0 | |
1501 | b,n perf_rdr_shift_out_U_leave | |
1502 | nop | |
1503 | ssm 0,0 | |
1504 | nop | |
1505 | ||
1506 | sync ; RDR 12 write sequence | |
1507 | ssm 0,0 | |
1508 | STDIAG (12) | |
1509 | ssm 0,0 | |
1510 | b,n perf_rdr_shift_out_U_leave | |
1511 | nop | |
1512 | ssm 0,0 | |
1513 | nop | |
1514 | ||
1515 | sync ; RDR 13 write sequence | |
1516 | ssm 0,0 | |
1517 | STDIAG (13) | |
1518 | ssm 0,0 | |
1519 | b,n perf_rdr_shift_out_U_leave | |
1520 | nop | |
1521 | ssm 0,0 | |
1522 | nop | |
1523 | ||
1524 | sync ; RDR 14 write sequence | |
1525 | ssm 0,0 | |
1526 | STDIAG (14) | |
1527 | ssm 0,0 | |
1528 | b,n perf_rdr_shift_out_U_leave | |
1529 | nop | |
1530 | ssm 0,0 | |
1531 | nop | |
1532 | ||
1533 | sync ; RDR 15 write sequence | |
1534 | ssm 0,0 | |
1535 | STDIAG (15) | |
1536 | ssm 0,0 | |
1537 | b,n perf_rdr_shift_out_U_leave | |
1538 | nop | |
1539 | ssm 0,0 | |
1540 | nop | |
1541 | ||
1542 | sync ; RDR 16 write sequence | |
1543 | ssm 0,0 | |
1544 | STDIAG (16) | |
1545 | ssm 0,0 | |
1546 | b,n perf_rdr_shift_out_U_leave | |
1547 | nop | |
1548 | ssm 0,0 | |
1549 | nop | |
1550 | ||
1551 | sync ; RDR 17 write sequence | |
1552 | ssm 0,0 | |
1553 | STDIAG (17) | |
1554 | ssm 0,0 | |
1555 | b,n perf_rdr_shift_out_U_leave | |
1556 | nop | |
1557 | ssm 0,0 | |
1558 | nop | |
1559 | ||
1560 | sync ; RDR 18 write sequence | |
1561 | ssm 0,0 | |
1562 | STDIAG (18) | |
1563 | ssm 0,0 | |
1564 | b,n perf_rdr_shift_out_U_leave | |
1565 | nop | |
1566 | ssm 0,0 | |
1567 | nop | |
1568 | ||
1569 | sync ; RDR 19 write sequence | |
1570 | ssm 0,0 | |
1571 | STDIAG (19) | |
1572 | ssm 0,0 | |
1573 | b,n perf_rdr_shift_out_U_leave | |
1574 | nop | |
1575 | ssm 0,0 | |
1576 | nop | |
1577 | ||
1578 | sync ; RDR 20 write sequence | |
1579 | ssm 0,0 | |
1580 | STDIAG (20) | |
1581 | ssm 0,0 | |
1582 | b,n perf_rdr_shift_out_U_leave | |
1583 | nop | |
1584 | ssm 0,0 | |
1585 | nop | |
1586 | ||
1587 | sync ; RDR 21 write sequence | |
1588 | ssm 0,0 | |
1589 | STDIAG (21) | |
1590 | ssm 0,0 | |
1591 | b,n perf_rdr_shift_out_U_leave | |
1592 | nop | |
1593 | ssm 0,0 | |
1594 | nop | |
1595 | ||
1596 | sync ; RDR 22 write sequence | |
1597 | ssm 0,0 | |
1598 | STDIAG (22) | |
1599 | ssm 0,0 | |
1600 | b,n perf_rdr_shift_out_U_leave | |
1601 | nop | |
1602 | ssm 0,0 | |
1603 | nop | |
1604 | ||
1605 | sync ; RDR 23 write sequence | |
1606 | ssm 0,0 | |
1607 | STDIAG (23) | |
1608 | ssm 0,0 | |
1609 | b,n perf_rdr_shift_out_U_leave | |
1610 | nop | |
1611 | ssm 0,0 | |
1612 | nop | |
1613 | ||
1614 | sync ; RDR 24 write sequence | |
1615 | ssm 0,0 | |
1616 | STDIAG (24) | |
1617 | ssm 0,0 | |
1618 | b,n perf_rdr_shift_out_U_leave | |
1619 | nop | |
1620 | ssm 0,0 | |
1621 | nop | |
1622 | ||
1623 | sync ; RDR 25 write sequence | |
1624 | ssm 0,0 | |
1625 | STDIAG (25) | |
1626 | ssm 0,0 | |
1627 | b,n perf_rdr_shift_out_U_leave | |
1628 | nop | |
1629 | ssm 0,0 | |
1630 | nop | |
1631 | ||
1632 | sync ; RDR 26 write sequence | |
1633 | ssm 0,0 | |
1634 | STDIAG (26) | |
1635 | ssm 0,0 | |
1636 | b,n perf_rdr_shift_out_U_leave | |
1637 | nop | |
1638 | ssm 0,0 | |
1639 | nop | |
1640 | ||
1641 | sync ; RDR 27 write sequence | |
1642 | ssm 0,0 | |
1643 | STDIAG (27) | |
1644 | ssm 0,0 | |
1645 | b,n perf_rdr_shift_out_U_leave | |
1646 | nop | |
1647 | ssm 0,0 | |
1648 | nop | |
1649 | ||
1650 | sync ; RDR 28 write sequence | |
1651 | ssm 0,0 | |
1652 | STDIAG (28) | |
1653 | ssm 0,0 | |
1654 | b,n perf_rdr_shift_out_U_leave | |
1655 | nop | |
1656 | ssm 0,0 | |
1657 | nop | |
1658 | ||
1659 | sync ; RDR 29 write sequence | |
1660 | ssm 0,0 | |
1661 | STDIAG (29) | |
1662 | ssm 0,0 | |
1663 | b,n perf_rdr_shift_out_U_leave | |
1664 | nop | |
1665 | ssm 0,0 | |
1666 | nop | |
1667 | ||
1668 | sync ; RDR 30 write sequence | |
1669 | ssm 0,0 | |
1670 | STDIAG (30) | |
1671 | ssm 0,0 | |
1672 | b,n perf_rdr_shift_out_U_leave | |
1673 | nop | |
1674 | ssm 0,0 | |
1675 | nop | |
1676 | ||
1677 | sync ; RDR 31 write sequence | |
1678 | ssm 0,0 | |
1679 | STDIAG (31) | |
1680 | ssm 0,0 | |
1681 | b,n perf_rdr_shift_out_U_leave | |
1682 | nop | |
1683 | ssm 0,0 | |
1684 | nop | |
1685 | ||
1686 | perf_rdr_shift_out_U_leave: | |
1687 | bve (%r2) | |
1688 | .exit | |
1689 | MTDIAG_2 (23) ; restore DR2 | |
1690 | .procend | |
8e9e9844 | 1691 | ENDPROC(perf_rdr_shift_out_U) |
1da177e4 | 1692 |