ref: ec73849b6936d839410ccb239d14b2f7c7ca3d6f 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)