Qorivva MPC5xxx/SPC5xx Debugger and NEXUS Trace
133
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NEXUS.DTM
Enable data trace messaging
Controls the Data Trace Messaging method.
NEXUS.DTMARK
Data trace mark
Controls the influence of MSR[PMM] in data trace messaging. Only available on processors which
implement IEEE-ISTO 5001-
2008
or later.
Format:
NEXUS.DTM
<mode>
SYStem.Option DTM
[
Read
|
Write
|
ReadWrite
|
OFF
] (deprecated)
<mode>
:
OFF
|
Read
|
Write
|
ReadWrite
|
IFETCH
ReadLimited
|
WriteLimited
|
ReadWriteLimited
OFF
Data trace messaging disabled (default)
Read
Write
ReadWrite
Data trace messages for read accesses (load instructions)
Data trace messages for write accesses (store instructions)
Data trace messages for read and write accesses (load and store
instructions)
ReadLimited
WriteLimited
ReadWriteLimited
Same as above, but excluding data accesses using GPR R1 in effective
address computations.
NOTE
: Only supported by MPC57XX and newer processors.
IFETCH
Data trace messages contain information about instruction fetches
Format:
NEXUS.DTMARK
[
ON
|
OFF
]
OFF
Ignore MSR[PMM] for masking data trace messages (default)
ON
Mask (disable) data trace messages when MSR[PMM] = 0, unmask
(enable) data trace messages when MSR[PMM] = 1