ref: 9c2e8e2b13b0d01b7adf88b61af6edfbddd872c1 dir: /sys/src/libc/mips/main9.s/
TEXT _main(SB), 1, $0 ADD $-8, R29 MOVW $setR30(SB), R30 MOVW R1, _tos(SB) MOVW $main(SB), R1 MOVW $0, R31 JMP _callmain(SB)