trace/coresight/coresight-etm4x-reference.rst

11 ---------------------------
20 ----
37 ----
47 ----
52     - > 0 : Programs up the hardware with the current values held in the driver
55     - = 0 : disable trace hardware.
60 ----
72 ----
77     When FEAT_TRF is implemented, value of TRFCR_ELx.TS used for trace session. Otherwise -1
86 ----
99 ----
115    Optional exclude value:-
117    - 0 for include
118    - 1 for exclude.
122 ----
135 ----
147 ----
159 ----
173 ----
188 ----
193     Set the ELx secure and non-secure matching bits for the
205 ----
215 ----
231 ----
238 ----
245 ----
258 ----
275 ----
288 ----
293     Program non-secure exception level filters. Set / clear NS
306 ----
313 ----
323 ----
329     Error if attempt to set below minimum defined in IDR3, masked
334 ----
340     or 8-20. Driver defaults to 12 (every 4096 bytes).
342 ----
354 ----
367 ----
380 ----
388 ----
400 ----
409 ----
412 :Trace Registers: CIDCCTLR0, CIDCCTLR1, CIDCVR<0-7>
414     Pair of values to set the byte masks for 1-8 context ID
427 ----
434 ----
446 ----
455 ----
458 :Trace Registers: VMIDCCTLR0, VMIDCCTLR1, VMIDCVR<0-7>
460     Pair of values to set the byte masks for 1-8 VM ID comparators.
470 ----
477 ----
490 ----
503 ----
510 ----
521     32-bit input value. Number of valid fields is implementation dependent,
522     defined in IDR0.
524 ----
537 ----
550 ----
555     Sequencer event register select - 0 to 2
557 ----
562     Sequencer current state - 0 to 3.
564 ----
577     - evB : back
578     - evF : forwards.
580 ----
592 ----
599 ----
606 ----
613 ----
620 ----
623 comparator with a type used - i.e. RANGE, SINGLE, START, STOP. Once this tag
646 ---------------------------
654 Bit assignments shown below:-
656 ----
667 .. _coresight-branch-broadcast:
680     Choosing this option will result in a significant increase in the amount of trace generated -
682     overrides any setting of :ref:`ETM_MODE_RETURNSTACK <coresight-return-stack>`, so where a branch
686 .. _coresight-cycle-accurate:
708 .. _coresight-timestamp:
716 .. _coresight-return-stack:
724 **bit (13-14):**
809 ----
818 implemented - using these bits will result in the EL bits for address
821 *Note b)* Bits 2-3, 8-10, 15-16, 18, 22, control features that only work with
822 data trace. As A-profile data trace is architecturally prohibited in ETMv4,
827 Bits 17, 28-29 are unused.