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# 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
:---------|:------------
/arm | 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/arm
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-foo | Specific files for the 'foo' platform
## 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
## 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/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
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