PXR40RM Datasheet, PDF (1350/1434 Pages) Freescale Semiconductor, Inc – PXR40 Microcontroller

Nexus Development Interface (NDI)
Table 31-18. Public TCODEs Supported by NZ7C3 (continued)
Message Name
Packet Size
(bits)
Min Max
Packet
Name
Packet
Type
Packet Description
Watchpoint
Message
6
6 TCODE
Fixed
TCODE number = 15 (0x0F)
4
4 SRC
Fixed
Source processor identifier
4
4 WPHIT
Fixed
Number indicating watchpoint sources
Resource Full
Message
6
6 TCODE
Fixed
TCODE number = 27 (0x1B)
4
4 SRC
Fixed
Source processor identifier
4
4 RCODE
Fixed
Resource code indicates which resource is the cause of
this message (See RCODE values in Table 31-21)
1
32 RDATA
Variable Branch / predicate instruction history
(see Section 31.13.1, Branch Trace Messaging (BTM))
Program Trace -
6
6 TCODE
Fixed
TCODE number = 28 (0x1C) (see footnote 1 below)
Indirect Branch
History Message
4
4 SRC
Fixed
Source processor identifier
1
8 I-CNT
Variable Number of sequential instructions executed since last
taken branch
1
32 U-ADDR
Variable Unique part of target address for taken
branches/exceptions
1
32 HIST
Variable Branch / predicate instruction history
(see Section 31.13.1, Branch Trace Messaging (BTM))
Program Trace -
6
Indirect Branch
History Message w/
4
Sync
1
6 TCODE
4 SRC
8 I-CNT
Fixed
Fixed
Variable
TCODE number = 29 (0x1D) (see footnote 1 below)
Source processor identifier
Number of sequential instructions executed since last
taken branch
1
32 F-ADDR
Variable Full target address (leading zero (0) truncated)
1
32 HIST
Variable Branch / predicate instruction history
(see Section 31.13.1, Branch Trace Messaging (BTM))
Program Trace -
6
Program Correlation
Message
4
4
6 TCODE
4 SRC
4 EVCODE
Fixed
Fixed
Fixed
TCODE number = 33 (0x21)
Source processor identifier
Event correlated w/ program flow (see Table 31-21)
1
8 I-CNT
Variable Number of sequential instructions executed since last
taken branch
1
32 HIST
Variable Branch / predicate instruction history
(see Section 31.13.1, Branch Trace Messaging (BTM))
1 _{You can select between the two types of program trace. The advantages for each are discussed in Section 31.13.1, Branch}
Trace Messaging (BTM). If the branch history method is selected, the shaded TCODES above are not messaged out.
Table 31-19 shows the error code encodings used when reporting an error via the Nexus3 Error Message.
31-34
PXR40 Microcontroller Reference Manual, Rev. 1
Freescale Semiconductor