Translations:Handbook:MIPS/Blocks/Bootloader/75/en

arcload uses the OSLoadFilename option to specify which options to set from. The configuration file is essentially a script, with the top-level blocks defining boot images for different systems, and inside that, optional settings. Thus, setting OSLoadFilename=mysys(serial) pulls in the settings for the mysys block, then sets further options overridden in serial.