ref: f00a88b5099461b88783960c4f8d1b1f79fe5718
dir: /sys/src/ape/lib/ap/arm/main9.s/
arg=0 sp=13 sb=12 lr=14 GLOBL _tos(SB), $4 TEXT _main(SB), 1, $0 SUB $8, R(sp) MOVW $setR12(SB), R(sb) MOVW R(arg), _tos(SB) MOVW $_apemain(SB), R(arg) MOVW $0, R(lr) B _callmain(SB) BL _div(SB) /* force loading of div */