Structure of files

Top level directories

Directory	Description
/core	Files that are only used building TEE Core
/lib	Files that are used both when building TEE Core and TAs
/ta	Files that are only used when building TAs
/mk	Makefiles supporting the build system
/tmp-stuff	Temporary stuff that will be removed before the final commit is made
/scripts	Helper scripts for miscellaneous tasks
/out	Created when building unless a different out directory is specified with O=... on the command line

Structure of /core

Directory	Description
/arch	Architecture and platform specific files
/lib	Generic libraries that are likely to be replaced in a final product
/mm	Generic memory management, currently empty
/tee	Generic TEE files

Structure of /core/arch

Directory	Description
/arm32	ARMv7 and Aarch32 specific architecture and platform specific files
/user_mode	Linux used space specific files when debugging TEE Core as a user space process, only used for some development

Structure of /core/arch/arm32

Directory	Description
/include	Include files used in rest of TEE core but not in any supporting libraries
/kern	Low level and core parts of TEE Core
/mm	Memory management
/tee	TEE files
/sm	Secure Monitor
/plat-orly	Specific files for the Orly platform

Structure of /core/arch/arm32/include

Directory	Description
/kern	Include files exposing API for /core/arch/arm32/kern files
/kta	Include files exposing the KTA API that is mainly used by kernel TAs
/mm	Include files exposing API for /core/arch/arm32/mm files
/rom	Old ROM files that should be removed before going public
/sm	Include files exposing API for Secure Monitor

Structure of /core/lib/lib{crypto,sla}

Directory	Description
/	Source files for the library
/include	Include files exposing the API of the library

Structure of /lib/libutils

Directory	Description
/	Source file for the library
/arch	Architecture specific source files
/arch/arm32	ARMv7 and Aarch32 specific source files
/arch/arm32/include	ARMv7 and Aarch32 specific include files
/include	Include files exposing the API of the library