Hi Our definitive application is loaded by a custom loader, which checks the applicative header (that contains the binary size) and its CRC. I've created my open Flash Loader to use with our custom board with Cortex-M0 and SPI flash. My Flash loader creates a "dummy" header of the flashed binary, so that when i reboot the board, my custom loader can check the CRC of the application, gets the binary size and starts it (copy to RAM etc...). My problem is that i need the binary size at the beginnin…