Bootstub#59
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robbederks wants to merge 18 commits into
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boots fine, but PCIE doesn't work yet |
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replaces the main fw with a bootstub that reads and validates the image further in flash, and copies it into code RAM at 0x4000 if succeeded. interrupts are re-routed there as well.
if it doesn't succeed (or if jumped to with the bootstub cookie set from the app code), it enumerates and exposes some DFU-style endpoints for reflashing
it also implements a git-hash in the firmware (put in the USB descriptors)