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36.18.1
Tx Filter Example (Core Only) ....................................................................36-30
36.18.2
Tx Filter Example (Core and CPM) .............................................................36-31
36.19
DSP Function Execution Times and CPM Performance Calculation ..............36-33
37.1
Tracking Program Flow......................................................................................37-1
37.1.1
Program Trace Functional Description ..........................................................37-2
37.1.2
Instruction Fetch Show Cycle Control ...........................................................37-3
37.1.3
Program Trace Signals ...................................................................................37-3
37.1.4
Program Trace Special Cases .........................................................................37-4
37.1.4.1
Queue Flush Information Special Case ......................................................37-4
37.1.4.2
Program Trace When In Debug Mode .......................................................37-5
37.1.4.3
Sequential Instructions Marked as Indirect Branch ...................................37-5
37.1.5
Reconstructing Program Trace .......................................................................37-5
37.1.5.1
Back Trace..................................................................................................37-5
37.1.5.2
Window Trace ............................................................................................37-6
37.1.5.2.1
37.1.5.3
Detecting the Trace Window Start Address ...............................................37-6
37.1.5.4
Detecting the Assertion/Negation of VSYNC............................................37-7
37.1.5.5
Detecting the Trace Window End Address ................................................37-7
37.1.5.6
Efficient Trace Information Capture ..........................................................37-7
37.2
Watchpoints and Breakpoints Support ...............................................................37-8
37.2.1
Key Features...................................................................................................37-9
37.2.2
Internal Watchpoints and Breakpoints Logic ...............................................37-10
37.2.3
Functional Description .................................................................................37-11
37.2.3.1
Instruction Support Detailed Description.................................................37-11
37.2.3.2
Load/Store Support Detailed Description ................................................37-12
37.2.3.3
The Counters ............................................................................................37-14
37.2.3.4
Trap Enable Programming .......................................................................37-15
37.2.4
Operation Details..........................................................................................37-15
37.2.4.1
Restrictions...............................................................................................37-15
37.2.4.2
Byte and Half Word Working Modes ......................................................37-15
37.2.4.2.1
37.2.4.3
Context Dependent Filter .........................................................................37-17
37.2.4.4
Ignore First Match ....................................................................................37-17
37.2.4.5
Generating Six Compare Types ...............................................................37-18
37.2.5
Load/Store Breakpoint Example ..................................................................37-18
37.3
Development System Interface.........................................................................37-19
37.3.1
Debug Mode Operation ................................................................................37-21
37.3.1.1
Debug Mode Enable vs. Debug Mode Disable ........................................37-22
xxxii
CONTENTS
Chapter 37
System Development and Debugging
Synchronizing the Trace Window to Internal Core Events....................37-6
Examples ..............................................................................................37-16
MPC860 PowerQUICC UserÕs Manual
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