ref: 97f1585e54e31dadf0a18505cf07b81b29a3f70f 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)