Here is a list of all documented files with brief descriptions:

bolos.h	BOLOS TEE general include file
bolos_attestation.h	Legacy attestation logic compatible with Ledger Wallet
bolos_core.h	BOLOS Input/Output for the TEE
bolos_crypto.h	Generic Cryptographic API
bolos_crypto_common.h	Common constants and structures used by the Cryptographic API
bolos_crypto_platform_tee.h	TEE HAL of the Cryptographic API
bolos_endorsement.h	Endorsement API used to prove code execution on a secure device
bolos_sodium.h	Limited libsodium/NaCl implementation
bolos_ui.h	User Interface functions for Bolos TEE
bolos_utils.h	Misc BOLOS utilities functions
bolos_wallet.h	Interface to the main Bitcoin wallet provided to third party applications
bolos_wrapping.h	Bind data to a specific device, device session, and running application