ref: a1bea530d1d28fb1ae27d50f56a2f5fb6c92e3a3 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)