Xilinx MicroBlaze Reference Manual page 104

Profiling Data Read Register
The Profiling Data Read Register (PDRR) reads the bin value indicated by the Profiling Buffer
Address Register and increments the Profiling Buffer Address Register. This register is a read-
only register. Issuing a write request to the register does nothing.
When reading this register with MDM software access to debug registers, data is read with
two consecutive accesses.
35
Table 2-59: Profiling Data Read Register (PDRR)
Bits Name
35:0 Read Data
Profiling Data Write Register
The Profiling Data Write Register (PDWR) writes a new value to the bin indicated by the
Profiling Buffer Address Register and increments the Profiling Buffer Address Register. This
register is a write-only register. Issuing a read request has no effect, and undefined data is
read.
This register can be used to clear the Profiling Buffer before enabling profiling.
When writing this register with MDM software access to debug registers, data is written
with two consecutive accesses.
35
Table 2-60: Profiling Data Write Register (PDWR)
Bits Name
35:0 Write Data
MicroBlaze Processor Reference Guide
UG984 (v2016.2) June 8, 2016
UG984 (v2016.1) April 6, 2016
Read Data
Figure 2-39: Profiling Data Read Register
Number of executed instructions or executed clock cycles in the bin
Write Data
Figure 2-40: Profiling Data Write Register
Data to write to a bin
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Reset Value
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Reset Value
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