It initializes the hardware, loads the Workbench environment, and handles system calls.
However, because an emulator only replicates the hardware circuitry, it cannot function without the original software brain. To boot an Amiga emulator, you must supply it with a valid copy of a Kickstart ROM file. amiga kickstart roms archive.org
Some files on Archive.org might be encrypted (common for CDTV ROMs). Always look for ! [!].zip to find the cleanest, un-encrypted dumps. It initializes the hardware