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