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-rw-r--r--arch/sparc64/kernel/cherrs.S579
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diff --git a/arch/sparc64/kernel/cherrs.S b/arch/sparc64/kernel/cherrs.S
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1 /* These get patched into the trap table at boot time
2 * once we know we have a cheetah processor.
3 */
4 .globl cheetah_fecc_trap_vector
5 .type cheetah_fecc_trap_vector,#function
6cheetah_fecc_trap_vector:
7 membar #Sync
8 ldxa [%g0] ASI_DCU_CONTROL_REG, %g1
9 andn %g1, DCU_DC | DCU_IC, %g1
10 stxa %g1, [%g0] ASI_DCU_CONTROL_REG
11 membar #Sync
12 sethi %hi(cheetah_fast_ecc), %g2
13 jmpl %g2 + %lo(cheetah_fast_ecc), %g0
14 mov 0, %g1
15 .size cheetah_fecc_trap_vector,.-cheetah_fecc_trap_vector
16
17 .globl cheetah_fecc_trap_vector_tl1
18 .type cheetah_fecc_trap_vector_tl1,#function
19cheetah_fecc_trap_vector_tl1:
20 membar #Sync
21 ldxa [%g0] ASI_DCU_CONTROL_REG, %g1
22 andn %g1, DCU_DC | DCU_IC, %g1
23 stxa %g1, [%g0] ASI_DCU_CONTROL_REG
24 membar #Sync
25 sethi %hi(cheetah_fast_ecc), %g2
26 jmpl %g2 + %lo(cheetah_fast_ecc), %g0
27 mov 1, %g1
28 .size cheetah_fecc_trap_vector_tl1,.-cheetah_fecc_trap_vector_tl1
29
30 .globl cheetah_cee_trap_vector
31 .type cheetah_cee_trap_vector,#function
32cheetah_cee_trap_vector:
33 membar #Sync
34 ldxa [%g0] ASI_DCU_CONTROL_REG, %g1
35 andn %g1, DCU_IC, %g1
36 stxa %g1, [%g0] ASI_DCU_CONTROL_REG
37 membar #Sync
38 sethi %hi(cheetah_cee), %g2
39 jmpl %g2 + %lo(cheetah_cee), %g0
40 mov 0, %g1
41 .size cheetah_cee_trap_vector,.-cheetah_cee_trap_vector
42
43 .globl cheetah_cee_trap_vector_tl1
44 .type cheetah_cee_trap_vector_tl1,#function
45cheetah_cee_trap_vector_tl1:
46 membar #Sync
47 ldxa [%g0] ASI_DCU_CONTROL_REG, %g1
48 andn %g1, DCU_IC, %g1
49 stxa %g1, [%g0] ASI_DCU_CONTROL_REG
50 membar #Sync
51 sethi %hi(cheetah_cee), %g2
52 jmpl %g2 + %lo(cheetah_cee), %g0
53 mov 1, %g1
54 .size cheetah_cee_trap_vector_tl1,.-cheetah_cee_trap_vector_tl1
55
56 .globl cheetah_deferred_trap_vector
57 .type cheetah_deferred_trap_vector,#function
58cheetah_deferred_trap_vector:
59 membar #Sync
60 ldxa [%g0] ASI_DCU_CONTROL_REG, %g1;
61 andn %g1, DCU_DC | DCU_IC, %g1;
62 stxa %g1, [%g0] ASI_DCU_CONTROL_REG;
63 membar #Sync;
64 sethi %hi(cheetah_deferred_trap), %g2
65 jmpl %g2 + %lo(cheetah_deferred_trap), %g0
66 mov 0, %g1
67 .size cheetah_deferred_trap_vector,.-cheetah_deferred_trap_vector
68
69 .globl cheetah_deferred_trap_vector_tl1
70 .type cheetah_deferred_trap_vector_tl1,#function
71cheetah_deferred_trap_vector_tl1:
72 membar #Sync;
73 ldxa [%g0] ASI_DCU_CONTROL_REG, %g1;
74 andn %g1, DCU_DC | DCU_IC, %g1;
75 stxa %g1, [%g0] ASI_DCU_CONTROL_REG;
76 membar #Sync;
77 sethi %hi(cheetah_deferred_trap), %g2
78 jmpl %g2 + %lo(cheetah_deferred_trap), %g0
79 mov 1, %g1
80 .size cheetah_deferred_trap_vector_tl1,.-cheetah_deferred_trap_vector_tl1
81
82 /* Cheetah+ specific traps. These are for the new I/D cache parity
83 * error traps. The first argument to cheetah_plus_parity_handler
84 * is encoded as follows:
85 *
86 * Bit0: 0=dcache,1=icache
87 * Bit1: 0=recoverable,1=unrecoverable
88 */
89 .globl cheetah_plus_dcpe_trap_vector
90 .type cheetah_plus_dcpe_trap_vector,#function
91cheetah_plus_dcpe_trap_vector:
92 membar #Sync
93 sethi %hi(do_cheetah_plus_data_parity), %g7
94 jmpl %g7 + %lo(do_cheetah_plus_data_parity), %g0
95 nop
96 nop
97 nop
98 nop
99 nop
100 .size cheetah_plus_dcpe_trap_vector,.-cheetah_plus_dcpe_trap_vector
101
102 .type do_cheetah_plus_data_parity,#function
103do_cheetah_plus_data_parity:
104 rdpr %pil, %g2
105 wrpr %g0, PIL_NORMAL_MAX, %pil
106 ba,pt %xcc, etrap_irq
107 rd %pc, %g7
108#ifdef CONFIG_TRACE_IRQFLAGS
109 call trace_hardirqs_off
110 nop
111#endif
112 mov 0x0, %o0
113 call cheetah_plus_parity_error
114 add %sp, PTREGS_OFF, %o1
115 ba,a,pt %xcc, rtrap_irq
116 .size do_cheetah_plus_data_parity,.-do_cheetah_plus_data_parity
117
118 .globl cheetah_plus_dcpe_trap_vector_tl1
119 .type cheetah_plus_dcpe_trap_vector_tl1,#function
120cheetah_plus_dcpe_trap_vector_tl1:
121 membar #Sync
122 wrpr PSTATE_IG | PSTATE_PEF | PSTATE_PRIV, %pstate
123 sethi %hi(do_dcpe_tl1), %g3
124 jmpl %g3 + %lo(do_dcpe_tl1), %g0
125 nop
126 nop
127 nop
128 nop
129 .size cheetah_plus_dcpe_trap_vector_tl1,.-cheetah_plus_dcpe_trap_vector_tl1
130
131 .globl cheetah_plus_icpe_trap_vector
132 .type cheetah_plus_icpe_trap_vector,#function
133cheetah_plus_icpe_trap_vector:
134 membar #Sync
135 sethi %hi(do_cheetah_plus_insn_parity), %g7
136 jmpl %g7 + %lo(do_cheetah_plus_insn_parity), %g0
137 nop
138 nop
139 nop
140 nop
141 nop
142 .size cheetah_plus_icpe_trap_vector,.-cheetah_plus_icpe_trap_vector
143
144 .type do_cheetah_plus_insn_parity,#function
145do_cheetah_plus_insn_parity:
146 rdpr %pil, %g2
147 wrpr %g0, PIL_NORMAL_MAX, %pil
148 ba,pt %xcc, etrap_irq
149 rd %pc, %g7
150#ifdef CONFIG_TRACE_IRQFLAGS
151 call trace_hardirqs_off
152 nop
153#endif
154 mov 0x1, %o0
155 call cheetah_plus_parity_error
156 add %sp, PTREGS_OFF, %o1
157 ba,a,pt %xcc, rtrap_irq
158 .size do_cheetah_plus_insn_parity,.-do_cheetah_plus_insn_parity
159
160 .globl cheetah_plus_icpe_trap_vector_tl1
161 .type cheetah_plus_icpe_trap_vector_tl1,#function
162cheetah_plus_icpe_trap_vector_tl1:
163 membar #Sync
164 wrpr PSTATE_IG | PSTATE_PEF | PSTATE_PRIV, %pstate
165 sethi %hi(do_icpe_tl1), %g3
166 jmpl %g3 + %lo(do_icpe_tl1), %g0
167 nop
168 nop
169 nop
170 nop
171 .size cheetah_plus_icpe_trap_vector_tl1,.-cheetah_plus_icpe_trap_vector_tl1
172
173 /* If we take one of these traps when tl >= 1, then we
174 * jump to interrupt globals. If some trap level above us
175 * was also using interrupt globals, we cannot recover.
176 * We may use all interrupt global registers except %g6.
177 */
178 .globl do_dcpe_tl1
179 .type do_dcpe_tl1,#function
180do_dcpe_tl1:
181 rdpr %tl, %g1 ! Save original trap level
182 mov 1, %g2 ! Setup TSTATE checking loop
183 sethi %hi(TSTATE_IG), %g3 ! TSTATE mask bit
1841: wrpr %g2, %tl ! Set trap level to check
185 rdpr %tstate, %g4 ! Read TSTATE for this level
186 andcc %g4, %g3, %g0 ! Interrupt globals in use?
187 bne,a,pn %xcc, do_dcpe_tl1_fatal ! Yep, irrecoverable
188 wrpr %g1, %tl ! Restore original trap level
189 add %g2, 1, %g2 ! Next trap level
190 cmp %g2, %g1 ! Hit them all yet?
191 ble,pt %icc, 1b ! Not yet
192 nop
193 wrpr %g1, %tl ! Restore original trap level
194do_dcpe_tl1_nonfatal: /* Ok we may use interrupt globals safely. */
195 sethi %hi(dcache_parity_tl1_occurred), %g2
196 lduw [%g2 + %lo(dcache_parity_tl1_occurred)], %g1
197 add %g1, 1, %g1
198 stw %g1, [%g2 + %lo(dcache_parity_tl1_occurred)]
199 /* Reset D-cache parity */
200 sethi %hi(1 << 16), %g1 ! D-cache size
201 mov (1 << 5), %g2 ! D-cache line size
202 sub %g1, %g2, %g1 ! Move down 1 cacheline
2031: srl %g1, 14, %g3 ! Compute UTAG
204 membar #Sync
205 stxa %g3, [%g1] ASI_DCACHE_UTAG
206 membar #Sync
207 sub %g2, 8, %g3 ! 64-bit data word within line
2082: membar #Sync
209 stxa %g0, [%g1 + %g3] ASI_DCACHE_DATA
210 membar #Sync
211 subcc %g3, 8, %g3 ! Next 64-bit data word
212 bge,pt %icc, 2b
213 nop
214 subcc %g1, %g2, %g1 ! Next cacheline
215 bge,pt %icc, 1b
216 nop
217 ba,pt %xcc, dcpe_icpe_tl1_common
218 nop
219
220do_dcpe_tl1_fatal:
221 sethi %hi(1f), %g7
222 ba,pt %xcc, etraptl1
2231: or %g7, %lo(1b), %g7
224 mov 0x2, %o0
225 call cheetah_plus_parity_error
226 add %sp, PTREGS_OFF, %o1
227 ba,pt %xcc, rtrap
228 nop
229 .size do_dcpe_tl1,.-do_dcpe_tl1
230
231 .globl do_icpe_tl1
232 .type do_icpe_tl1,#function
233do_icpe_tl1:
234 rdpr %tl, %g1 ! Save original trap level
235 mov 1, %g2 ! Setup TSTATE checking loop
236 sethi %hi(TSTATE_IG), %g3 ! TSTATE mask bit
2371: wrpr %g2, %tl ! Set trap level to check
238 rdpr %tstate, %g4 ! Read TSTATE for this level
239 andcc %g4, %g3, %g0 ! Interrupt globals in use?
240 bne,a,pn %xcc, do_icpe_tl1_fatal ! Yep, irrecoverable
241 wrpr %g1, %tl ! Restore original trap level
242 add %g2, 1, %g2 ! Next trap level
243 cmp %g2, %g1 ! Hit them all yet?
244 ble,pt %icc, 1b ! Not yet
245 nop
246 wrpr %g1, %tl ! Restore original trap level
247do_icpe_tl1_nonfatal: /* Ok we may use interrupt globals safely. */
248 sethi %hi(icache_parity_tl1_occurred), %g2
249 lduw [%g2 + %lo(icache_parity_tl1_occurred)], %g1
250 add %g1, 1, %g1
251 stw %g1, [%g2 + %lo(icache_parity_tl1_occurred)]
252 /* Flush I-cache */
253 sethi %hi(1 << 15), %g1 ! I-cache size
254 mov (1 << 5), %g2 ! I-cache line size
255 sub %g1, %g2, %g1
2561: or %g1, (2 << 3), %g3
257 stxa %g0, [%g3] ASI_IC_TAG
258 membar #Sync
259 subcc %g1, %g2, %g1
260 bge,pt %icc, 1b
261 nop
262 ba,pt %xcc, dcpe_icpe_tl1_common
263 nop
264
265do_icpe_tl1_fatal:
266 sethi %hi(1f), %g7
267 ba,pt %xcc, etraptl1
2681: or %g7, %lo(1b), %g7
269 mov 0x3, %o0
270 call cheetah_plus_parity_error
271 add %sp, PTREGS_OFF, %o1
272 ba,pt %xcc, rtrap
273 nop
274 .size do_icpe_tl1,.-do_icpe_tl1
275
276 .type dcpe_icpe_tl1_common,#function
277dcpe_icpe_tl1_common:
278 /* Flush D-cache, re-enable D/I caches in DCU and finally
279 * retry the trapping instruction.
280 */
281 sethi %hi(1 << 16), %g1 ! D-cache size
282 mov (1 << 5), %g2 ! D-cache line size
283 sub %g1, %g2, %g1
2841: stxa %g0, [%g1] ASI_DCACHE_TAG
285 membar #Sync
286 subcc %g1, %g2, %g1
287 bge,pt %icc, 1b
288 nop
289 ldxa [%g0] ASI_DCU_CONTROL_REG, %g1
290 or %g1, (DCU_DC | DCU_IC), %g1
291 stxa %g1, [%g0] ASI_DCU_CONTROL_REG
292 membar #Sync
293 retry
294 .size dcpe_icpe_tl1_common,.-dcpe_icpe_tl1_common
295
296 /* Capture I/D/E-cache state into per-cpu error scoreboard.
297 *
298 * %g1: (TL>=0) ? 1 : 0
299 * %g2: scratch
300 * %g3: scratch
301 * %g4: AFSR
302 * %g5: AFAR
303 * %g6: unused, will have current thread ptr after etrap
304 * %g7: scratch
305 */
306 .type __cheetah_log_error,#function
307__cheetah_log_error:
308 /* Put "TL1" software bit into AFSR. */
309 and %g1, 0x1, %g1
310 sllx %g1, 63, %g2
311 or %g4, %g2, %g4
312
313 /* Get log entry pointer for this cpu at this trap level. */
314 BRANCH_IF_JALAPENO(g2,g3,50f)
315 ldxa [%g0] ASI_SAFARI_CONFIG, %g2
316 srlx %g2, 17, %g2
317 ba,pt %xcc, 60f
318 and %g2, 0x3ff, %g2
319
32050: ldxa [%g0] ASI_JBUS_CONFIG, %g2
321 srlx %g2, 17, %g2
322 and %g2, 0x1f, %g2
323
32460: sllx %g2, 9, %g2
325 sethi %hi(cheetah_error_log), %g3
326 ldx [%g3 + %lo(cheetah_error_log)], %g3
327 brz,pn %g3, 80f
328 nop
329
330 add %g3, %g2, %g3
331 sllx %g1, 8, %g1
332 add %g3, %g1, %g1
333
334 /* %g1 holds pointer to the top of the logging scoreboard */
335 ldx [%g1 + 0x0], %g7
336 cmp %g7, -1
337 bne,pn %xcc, 80f
338 nop
339
340 stx %g4, [%g1 + 0x0]
341 stx %g5, [%g1 + 0x8]
342 add %g1, 0x10, %g1
343
344 /* %g1 now points to D-cache logging area */
345 set 0x3ff8, %g2 /* DC_addr mask */
346 and %g5, %g2, %g2 /* DC_addr bits of AFAR */
347 srlx %g5, 12, %g3
348 or %g3, 1, %g3 /* PHYS tag + valid */
349
35010: ldxa [%g2] ASI_DCACHE_TAG, %g7
351 cmp %g3, %g7 /* TAG match? */
352 bne,pt %xcc, 13f
353 nop
354
355 /* Yep, what we want, capture state. */
356 stx %g2, [%g1 + 0x20]
357 stx %g7, [%g1 + 0x28]
358
359 /* A membar Sync is required before and after utag access. */
360 membar #Sync
361 ldxa [%g2] ASI_DCACHE_UTAG, %g7
362 membar #Sync
363 stx %g7, [%g1 + 0x30]
364 ldxa [%g2] ASI_DCACHE_SNOOP_TAG, %g7
365 stx %g7, [%g1 + 0x38]
366 clr %g3
367
36812: ldxa [%g2 + %g3] ASI_DCACHE_DATA, %g7
369 stx %g7, [%g1]
370 add %g3, (1 << 5), %g3
371 cmp %g3, (4 << 5)
372 bl,pt %xcc, 12b
373 add %g1, 0x8, %g1
374
375 ba,pt %xcc, 20f
376 add %g1, 0x20, %g1
377
37813: sethi %hi(1 << 14), %g7
379 add %g2, %g7, %g2
380 srlx %g2, 14, %g7
381 cmp %g7, 4
382 bl,pt %xcc, 10b
383 nop
384
385 add %g1, 0x40, %g1
386
387 /* %g1 now points to I-cache logging area */
38820: set 0x1fe0, %g2 /* IC_addr mask */
389 and %g5, %g2, %g2 /* IC_addr bits of AFAR */
390 sllx %g2, 1, %g2 /* IC_addr[13:6]==VA[12:5] */
391 srlx %g5, (13 - 8), %g3 /* Make PTAG */
392 andn %g3, 0xff, %g3 /* Mask off undefined bits */
393
39421: ldxa [%g2] ASI_IC_TAG, %g7
395 andn %g7, 0xff, %g7
396 cmp %g3, %g7
397 bne,pt %xcc, 23f
398 nop
399
400 /* Yep, what we want, capture state. */
401 stx %g2, [%g1 + 0x40]
402 stx %g7, [%g1 + 0x48]
403 add %g2, (1 << 3), %g2
404 ldxa [%g2] ASI_IC_TAG, %g7
405 add %g2, (1 << 3), %g2
406 stx %g7, [%g1 + 0x50]
407 ldxa [%g2] ASI_IC_TAG, %g7
408 add %g2, (1 << 3), %g2
409 stx %g7, [%g1 + 0x60]
410 ldxa [%g2] ASI_IC_TAG, %g7
411 stx %g7, [%g1 + 0x68]
412 sub %g2, (3 << 3), %g2
413 ldxa [%g2] ASI_IC_STAG, %g7
414 stx %g7, [%g1 + 0x58]
415 clr %g3
416 srlx %g2, 2, %g2
417
41822: ldxa [%g2 + %g3] ASI_IC_INSTR, %g7
419 stx %g7, [%g1]
420 add %g3, (1 << 3), %g3
421 cmp %g3, (8 << 3)
422 bl,pt %xcc, 22b
423 add %g1, 0x8, %g1
424
425 ba,pt %xcc, 30f
426 add %g1, 0x30, %g1
427
42823: sethi %hi(1 << 14), %g7
429 add %g2, %g7, %g2
430 srlx %g2, 14, %g7
431 cmp %g7, 4
432 bl,pt %xcc, 21b
433 nop
434
435 add %g1, 0x70, %g1
436
437 /* %g1 now points to E-cache logging area */
43830: andn %g5, (32 - 1), %g2
439 stx %g2, [%g1 + 0x20]
440 ldxa [%g2] ASI_EC_TAG_DATA, %g7
441 stx %g7, [%g1 + 0x28]
442 ldxa [%g2] ASI_EC_R, %g0
443 clr %g3
444
44531: ldxa [%g3] ASI_EC_DATA, %g7
446 stx %g7, [%g1 + %g3]
447 add %g3, 0x8, %g3
448 cmp %g3, 0x20
449
450 bl,pt %xcc, 31b
451 nop
45280:
453 rdpr %tt, %g2
454 cmp %g2, 0x70
455 be c_fast_ecc
456 cmp %g2, 0x63
457 be c_cee
458 nop
459 ba,pt %xcc, c_deferred
460 .size __cheetah_log_error,.-__cheetah_log_error
461
462 /* Cheetah FECC trap handling, we get here from tl{0,1}_fecc
463 * in the trap table. That code has done a memory barrier
464 * and has disabled both the I-cache and D-cache in the DCU
465 * control register. The I-cache is disabled so that we may
466 * capture the corrupted cache line, and the D-cache is disabled
467 * because corrupt data may have been placed there and we don't
468 * want to reference it.
469 *
470 * %g1 is one if this trap occurred at %tl >= 1.
471 *
472 * Next, we turn off error reporting so that we don't recurse.
473 */
474 .globl cheetah_fast_ecc
475 .type cheetah_fast_ecc,#function
476cheetah_fast_ecc:
477 ldxa [%g0] ASI_ESTATE_ERROR_EN, %g2
478 andn %g2, ESTATE_ERROR_NCEEN | ESTATE_ERROR_CEEN, %g2
479 stxa %g2, [%g0] ASI_ESTATE_ERROR_EN
480 membar #Sync
481
482 /* Fetch and clear AFSR/AFAR */
483 ldxa [%g0] ASI_AFSR, %g4
484 ldxa [%g0] ASI_AFAR, %g5
485 stxa %g4, [%g0] ASI_AFSR
486 membar #Sync
487
488 ba,pt %xcc, __cheetah_log_error
489 nop
490 .size cheetah_fast_ecc,.-cheetah_fast_ecc
491
492 .type c_fast_ecc,#function
493c_fast_ecc:
494 rdpr %pil, %g2
495 wrpr %g0, PIL_NORMAL_MAX, %pil
496 ba,pt %xcc, etrap_irq
497 rd %pc, %g7
498#ifdef CONFIG_TRACE_IRQFLAGS
499 call trace_hardirqs_off
500 nop
501#endif
502 mov %l4, %o1
503 mov %l5, %o2
504 call cheetah_fecc_handler
505 add %sp, PTREGS_OFF, %o0
506 ba,a,pt %xcc, rtrap_irq
507 .size c_fast_ecc,.-c_fast_ecc
508
509 /* Our caller has disabled I-cache and performed membar Sync. */
510 .globl cheetah_cee
511 .type cheetah_cee,#function
512cheetah_cee:
513 ldxa [%g0] ASI_ESTATE_ERROR_EN, %g2
514 andn %g2, ESTATE_ERROR_CEEN, %g2
515 stxa %g2, [%g0] ASI_ESTATE_ERROR_EN
516 membar #Sync
517
518 /* Fetch and clear AFSR/AFAR */
519 ldxa [%g0] ASI_AFSR, %g4
520 ldxa [%g0] ASI_AFAR, %g5
521 stxa %g4, [%g0] ASI_AFSR
522 membar #Sync
523
524 ba,pt %xcc, __cheetah_log_error
525 nop
526 .size cheetah_cee,.-cheetah_cee
527
528 .type c_cee,#function
529c_cee:
530 rdpr %pil, %g2
531 wrpr %g0, PIL_NORMAL_MAX, %pil
532 ba,pt %xcc, etrap_irq
533 rd %pc, %g7
534#ifdef CONFIG_TRACE_IRQFLAGS
535 call trace_hardirqs_off
536 nop
537#endif
538 mov %l4, %o1
539 mov %l5, %o2
540 call cheetah_cee_handler
541 add %sp, PTREGS_OFF, %o0
542 ba,a,pt %xcc, rtrap_irq
543 .size c_cee,.-c_cee
544
545 /* Our caller has disabled I-cache+D-cache and performed membar Sync. */
546 .globl cheetah_deferred_trap
547 .type cheetah_deferred_trap,#function
548cheetah_deferred_trap:
549 ldxa [%g0] ASI_ESTATE_ERROR_EN, %g2
550 andn %g2, ESTATE_ERROR_NCEEN | ESTATE_ERROR_CEEN, %g2
551 stxa %g2, [%g0] ASI_ESTATE_ERROR_EN
552 membar #Sync
553
554 /* Fetch and clear AFSR/AFAR */
555 ldxa [%g0] ASI_AFSR, %g4
556 ldxa [%g0] ASI_AFAR, %g5
557 stxa %g4, [%g0] ASI_AFSR
558 membar #Sync
559
560 ba,pt %xcc, __cheetah_log_error
561 nop
562 .size cheetah_deferred_trap,.-cheetah_deferred_trap
563
564 .type c_deferred,#function
565c_deferred:
566 rdpr %pil, %g2
567 wrpr %g0, PIL_NORMAL_MAX, %pil
568 ba,pt %xcc, etrap_irq
569 rd %pc, %g7
570#ifdef CONFIG_TRACE_IRQFLAGS
571 call trace_hardirqs_off
572 nop
573#endif
574 mov %l4, %o1
575 mov %l5, %o2
576 call cheetah_deferred_handler
577 add %sp, PTREGS_OFF, %o0
578 ba,a,pt %xcc, rtrap_irq
579 .size c_deferred,.-c_deferred
generated by cgit v1.2.2 (git 2.25.0) at 2024-12-21 12:35:29 -0500