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

PRELIMINARY DATA
DBUS protocol 239
Flush - flush a physical address
Forces any data held by a module and associated with a physical address to be made
coherent with the actual data held at the physical address. The target device may
retain a copy of the data.
Request
OPC[7:0]
ADDR[31:0]
SRC[7:0]
TID[7:0]
DUMMY[7:0]
DATA[63:0]
Response
R_OPC[7:0]
R_SRC[7:0]
R_TID[7:0]
Opcode Flush (0x18).
Address, where ADDR[31:24] identifies the module.
ADDR[23:3] specifies the offset within the module.
ADDR[2:0] is not significant.
Source identifier, defined by the system not the module.
Transaction identifier, defined by the module not the system.
Dummy bits.
Address to be flushed.
Response type, either 0x80 for Success, or 0x81 for Failure.
Copy of SRC.
Copy of TID.
D R A FT
05-SA-10003 v1.0
SuperH, Inc.
SH-5 System Architecture, Volume 3: Debug