dut.HRDATA => dut.hart.lsu.dcache.ReadDataM
HADDR => dut.hart.lsu.dcache.MemPAdrM
HWDATA => dut.hart.lsu.dcache.WriteDataM
HWRITE => dut.hart.lsu.dcache.MemRWM
HTRANS => |dut.hart.lsu.dcache.MemRWM | |dut.hart.lsu.dcache.AtomicM

HSIZE (probalby don't need anymore, read masking not necessary)
HRDATA (no physical change, just rename to something else)