start
status 0x00400403 cause 0x00000018 pc 0x80000000 badva 0x00000000 xicu 0x00000001
status 0x00400403 cause 0x00000400 pc 0x80000000 badva 0x00000000 xicu 0x00000001
end 0x0000BEEF 0x00000001