GR740-UM-DS, Nov 2017, Version 1.7 433 www.cobham.com/gaisler
GR740
36.3.4 Trace buffer time tag register
The time tag value displayed in this register is stored in the trace. The time tag value is taken from the
debug support unit and the debug support unit timer must be enabled for this value to increment. The
same timer source is also activated when at least one of the processors has the up-counter, described in
section 6.10.4, enabled.
36.3.5 Trace buffer master/slave filter register
The master/slave filter register allows filtering out specified master and slaves from the trace. This
register can only be assigned if the trace buffer has been implemented with support for filtering.
Table 569.0x000008 - TIMETAG - Trace buffer time tag register
31 0
TIMETAG
0
t
31: 0 Time tag value (TIMETAG) - See description above table
Table 570.0x00000C - MSFILT - Trace buffer master/slave filter register
31 16 15 0
SMASK[15:0] MMASK[15:0]
00
rw rw
31: 16 Slave Mask (SMASK) - If SMASK[n] is set to ‘1’, the trace buffer will not save accesses performed
to slave n.
15: 0 Master Mask (MMASK) - If MMASK[n] is set to ‘1’, the trace buffer will not save accesses per-
formed by master n.
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