ref: 4c96751045a7f0baf6b3a872c20ada9da1bcd5f8 dir: /sys/src/9/zynq/init9.s/
TEXT _main(SB), $-4 MOVW $setR12(SB), R12 MOVW 4(R13), R0 ADD $4, R13, R1 SUB $4, R13 MOVW R1, 8(R13) MOVW $startboot(SB), R15