Previous version used exception handling for program control flow,
which makes for long and confusing backtrace messages if an error
occurs while parsing the CSV (as it also prints the phony error that
occurred while trying to parse as a binary, then prints
"During handling of the above exception, another exception occurred:",
then prints the real error).
Use the same heuristic that is applied in gen_esp32_part, instead.
Also, avoid printing the entire backtrace if the error is a gen_esp32_part
InputError, same as gen_esp32part does.
Found while looking into https://github.com/espressif/esp-idf/issues/4474
Allows you to move the partition table, it gives more space for the bootloader.
Added a new utility - parttool.py. This utility can search for the offset and/or size of the partitions by name and type/subtype. Use for getting APP_OFFSET and PHY_DATA_OFFSET.
The linker(esp32.bootloader.ld) made changes that allow you to write a custom bootloader code more.
TW14125
