nrf/boards/ARDUINO_NANO_33_BLE_SENSE: fix flash layout #18698
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Removing `_flash_start` linker variable in favour of `_bootloader_head_size`, `_bootloader_tail_size` and `_bootloader_head_ram_size`, which were previously all unset in ports/nrf/boards/memory.ld. Defining `_bootloader_tail_size` is necessary in order to allow for FS sizes larger than 64K. Larger FS sizes will otherwise lead to (tail) bootloader corruption. Tested with Arduino Nano 33 BLE. Signed-off-by: Heiner Tholen <helloheinertholen@gmail.com>
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Summary
Fix arduino nano 33 ble flash layout in order to allow for filesystem sizes of more than 64K.
Removing
_flash_startlinker variable in favour of_bootloader_head_size,_bootloader_tail_sizeand_bootloader_head_ram_size, which were previously all unset in ports/nrf/boards/memory.ld.Defining
_bootloader_tail_sizeis necessary in order to allow for FS sizes larger than 64K. Larger FS sizes will otherwise lead to (tail) bootloader corruption.Testing
Tested with Arduino Nano 33 BLE.
import os; os.statvfs(".")