ref: e51c4bc6e493a9cd0d9e9d7f1d24c57ae77bab65 dir: /sys/src/9/imx8/init9.s/
TEXT main(SB), 1, $8 MOV $setSB(SB), R28 /* load the SB */ MOV $boot(SB), R0 B startboot(SB)