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raspberrypi / picotool

BSD 3-Clause "New" or "Revised" License
579 stars 103 forks source link

add support for binaries behind boot loaders on device #82

Open kilograham opened 1 year ago

kilograham commented 1 year ago

If the boot loader itself contains binary info which points to the other binaries, we could support this

earlephilhower commented 1 year ago

Sounds like a good plan! As long as the binary_info_header_redirect (or whatever) is defined in such a way that it can be static even as its target (real) app changes, should be easy to support in OTA/2ndary bootloaders. I suppose that's kind of a given since the binary_info_header of the real app is always placed immediately after its vector table, and normally the real app starting flash address is always constant too.