SuperH (SH) 64-bit RISC Series SH-5 System Architecture, Volume ...

PRELIMINARY DATA
126 Debug protocols and interfaces
OA watchpoint trace message (7-bytes minimum, 16-bytes maximum)
Field
Size
Header bit
positions
Description
DATA_FIELD_SIZE 3-bits [15:13] Defines how much data was stored to memory by the
triggering instruction.
Value - Description
0b000: The instruction which hit the watchpoint did not
write to a memory location.
0b001: Undefined
0b010: Undefined.
0b011: Undefined.
0b100: 1 byte. The instruction which hit the watchpoint
did a 1 byte write to a memory location.
0b101: 2 byte write (as above)
0b110: 4 byte write (as above)
0b111: 8 byte write (as above)
TIMESTAMP 0 or 1
byte
ASID 0 or 1
byte
PC 1, 2 or 4
bytes
N/A
N/A
N/A
Table 42: OA watchpoint trace message
D R A FT
SuperH, Inc.
SH-5 System Architecture, Volume 3: Debug 05-SA-10003 v1.0