OP-TEE OS
OP-TEE OS
SPM Core
SPM Core
FF-A ABI
FF-A ABI
Secure Monitor
(TF-A)
Secure Monitor...
SPM Dispatcher
SPM Dispatcher
Crypto
SP
Crypto...
Secure
Storage
SP
Secure...
Attestation
SP
Attestation...
SMM Gateway
SP
SMM Gateway...
FF-A ABI
FF-A ABI
FF-A ABI
FF-A ABI
FF-A ABI
FF-A ABI
FF-A ABI
FF-A ABI
Secure World
Secure World
OS Kernel
OS Kernel
FF-A ABI
FF-A ABI
UEFI Services
UEFI Services
FF-A ABI
FF-A ABI
Client App
Client App
PSA API
PSA API
Client App
Client App
Client lib
Client lib
UEFI App
UEFI App
Normal World
Normal World
EL0
EL0
EL1
EL1
EL3
EL3
Trusted Services
Trusted Services
OP-TEE
OP-TEE
TF-A
TF-A
PSA Root-of-Trust Services
PSA Root-of-Trust Services
FF-A (Firmware Framework for A-profile)
FF-A (Firmware Framework for A-profile)Viewer does not support full SVG 1.1