13 - MR18 Deep Dive: Network and Sysupgrade
Network setup and sysupgrade
They won’t leave in the night. Have no fear that they might desert me — Kanye West ft. JAY-Z, “Diamonds From Sierra Leone”
Twelve posts deep. Cache flushes, MIPS trampolines, XOR verification, UART monitoring, failsafe timing. This post covers the last mile—once the kernel is booted and failsafe is confirmed, how do we talk to the device over the network and flash the permanent sysupgrade image? No more PRACC, no more cache paranoia. Just TCP/IP and a couple of file transfers.
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