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Trace Buffer Control Register (TBUFCTL)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
0xFFE0 6000
X
15 14 13 12 11 10
X
CMPLP[1:0]
00 - Compression disabled,
Record all discontinuities
01 - Compress single-level
loops
10 - Compress two-level loops
Figure 21-9. Trace Buffer Control Register
TBUFSTAT Register
Figure 21-10
shows the Trace Buffer Status register (
from
decrements
TBUF
Trace Buffer Status Register (TBUFSTAT)
0xFFE0 6004
TBUFCNT[4:0]
Number of valid discontinuities
stored in the trace buffer
Figure 21-10. Trace Buffer Status Register
ADSP-BF53x/BF56x Blackfin Processor Programming Reference
X
X
X
X
X
X
X
X
9
8
7
X
X
X
X
X
X
X
by one.
TBUFCNT
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
X
X
X
X
X
X
X
X
15 14 13 12 11 10
9
8
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
6
5
4
3
2
1
0
X
X
X
0
0
0
0
0
X
X
X
X
X
X
X
7
6
5
4
3
2
1
X
X
X
0
0
0
0
Debug
Reset = Undefined
TBUFPWR
0 - Trace buffer is off
1 - Trace buffer is active
TBUFEN
0 - Trace buffer disabled
1 - Trace buffer enabled
TBUFOVF
0 - Overflows are ignored
1 - Trace buffer overflow
causes an exception
event
). Two reads
TBUFSTAT
Reset = Undefined
X
0
0
21-17
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