00002000 # read SD = 0, FS = 01
80006000 # read SD = 1, FS = 11
00004000 # read written SD = 1, FS = 10
80006000 # read SD = 1, FS = 11
00000002 # mcause from attempting fmv with status.FS cleared
0000000b # mcause from M mode ecall from test termination
