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22 lines
569 B
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.. SPDX-License-Identifier: GPL-2.0
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===================================
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TEE (Trusted Execution Environment)
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===================================
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This document describes the TEE subsystem in Linux.
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Overview
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========
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A TEE is a trusted OS running in some secure environment, for example,
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TrustZone on ARM CPUs, or a separate secure co-processor etc. A TEE driver
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handles the details needed to communicate with the TEE.
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This subsystem deals with:
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- Registration of TEE drivers
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- Managing shared memory between Linux and the TEE
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- Providing a generic API to the TEE
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