Based on kernel version 6.9
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 | .. SPDX-License-Identifier: GPL-2.0 =================================== TEE (Trusted Execution Environment) =================================== This document describes the TEE subsystem in Linux. Overview ======== A TEE is a trusted OS running in some secure environment, for example, TrustZone on ARM CPUs, or a separate secure co-processor etc. A TEE driver handles the details needed to communicate with the TEE. This subsystem deals with: - Registration of TEE drivers - Managing shared memory between Linux and the TEE - Providing a generic API to the TEE |