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Chapter 5 Debug Message Interface Reference
Field
Size
Description
• kDSRegistersFP
• kDSRegistersExtended1
• kDSRegistersExtended2
For more information, see the
msgcmd.h file.
firstRegister
ui16
The number of the first register in the
sequence.
lastRegister
ui16
The number of the last register in the
sequence.
Return Values
This message causes CodeWarrior TRK to return this value:
Return Value Field
registerData
Size
Description
An array of register values. The size of
each element depends on the size of the
registers themselves. If the registers are
2 bytes wide, then a new value starts
every 2 bytes. If the registers are 4 bytes
wide, a new value starts every 4 bytes.
The maximum length of this array is
2048 bytes.
void*
Error Codes
CodeWarrior TRK can return these error codes:
Error Code
Description
kDSReplyCWDSError
An unknown error occurred while processing the request.
kDSReplyCWDSException
An exception was thrown while processing the request.
kDSReplyInvalidRegisterRange
The specified register range is invalid.
kDSReplyNotStopped
The target application is running and must be stopped before
the debugger issues this request.
kDSReplyPacketSizeError
The length of the message is less than the minimum for a
message of that type.
kDSReplyUnsupportedOptionError
The specified value of the options field is unsupported.
Remarks
After receiving a ReadRegisters request, CodeWarrior TRK reads the specified sequence
of registers from the processor, returning the resulting values to the debugger.
CodeWarrior TRK attempts to catch and handle any access exceptions that occur while
reading.
CodeWarrior Target Resident Kernel Reference, Rev. 10.5.0, 06/2015
Freescale Semiconductor, Inc.
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