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Watchpoint Unit
WPSTAT Register
The Watchpoint Status register (
points. It may be read and written in Supervisor or Emulator modes only.
When a watchpoint or watchpoint range matches, this register reflects the
source of the watchpoint. The status bits in the
and all of them are cleared when any write, regardless of the value, is per-
formed to the register.
Figure 21-8
shows the Watchpoint Status register.
Watchpoint Status Register (WPSTAT)
31 30 29 28 27 26 25 24 23 22 21 20 19 18 17 16
0xFFE0 7200
X
15 14 13 12 11 10
X
STATDA1
0 - WPDA1 not matched
1 - WPDA1 matched
STATDA0
0 - Neither WPDA0 nor the
WPDA0 to WPDA1 range
matched
1 - WPDA0 matched or the
WPDA0 to WPDA1 range
matched
STATIA5
0 - WPIA5 not matched
1 - WPIA5 matched
STATIA4
0 - Neither WPIA4 nor the
WPIA4 to WPIA5 range
matched
1 - WPIA4 matched or the
WPIA4 to WPIA5 range
matched
Figure 21-8. Watchpoint Status Register
21-14
ADSP-BF53x/BF56x Blackfin Processor Programming Reference
WPSTAT
X
X
X
X
X
X
X
X
9
8
7
X
X
X
X
X
X
X
0
) monitors the status of the watch-
WPSTAT
X
X
X
X
X
X
X
6
5
4
3
2
1
0
0
0
0
0
0
0
0
register are sticky,
Reset = Undefined
STATIA0
0 - Neither WPIA0 nor the
WPIA0 to WPIA1 range
matched
1 - WPIA0 matched or the
WPIA0 to WPIA1 range
matched
STATIA1
0 - WPIA1 not matched
1 - WPIA1 matched
STATIA2
0 - Neither WPIA2 nor the
WPIA2 to WPIA3 range
matched
1 - WPIA2 matched or the
WPIA2 to WPIA3 range
matched
STATIA3
0 - WPIA3 not matched
1 - WPIA3 matched
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