ref: a19d90dc8c4d48ec613ac3e2e1462b9099c0a857 dir: /sys/src/ape/lib/ap/386/main9.s/
GLOBL _tos(SB), $4 TEXT _main(SB), 1, $0 MOVL AX, _tos(SB) MOVL $_apemain(SB), AX PUSHL AX PUSHL $0 JMPF _callmain(SB)