File structure

This page describes what different folders in optee_os contains.

Top level directories

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

/core

Structure of /core

Directory

Description

/arch

Architecture and platform specific files

/include

Header files of resources exported by the core

/lib

Generic libraries that are likely to be replaced in a final product

/mm

Generic memory management, currently empty

/tee

Generic TEE files

/core/arch

Structure of /core/arch

Directory

Description

/arm

ARMv7 and Aarch32 specific architecture and platform specific files

/core/arch/arm

Structure of /core/arch/arm

Directory

Description

/dts

Device tree source files

/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-foo

Specific files for the foo platform

/core/arch/arm/include

Structure of /core/arch/arm/include

Directory

Description

/kern

Include files exposing API for /core/arch/arm/kern files

/kta

Include files exposing the KTA API that is mainly used by kernel TAs

/mm

Include files exposing API for /core/arch/arm/mm files

/rom

Old ROM files that should be removed before going public

/sm

Include files exposing API for Secure Monitor

/core/include

Structure of /core/include

Directory

Description

/drivers

Include files exposing API for /core/drivers files

/dt-bindings

Include files for the device tree bindings

/core/lib/lib{crypto,sla}

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

Directory

Description

/

Source files for the library

/include

Include files exposing the API of the library

/lib/libutils

Structure of /lib/libutils

Directory

Description

/

Source file for the library

/arch

Architecture specific source files

/arch/arm

ARMv7 and Aarch32 specific source files

/arch/arm/include

ARMv7 and Aarch32 specific include files

/include

Include files exposing the API of the library