docs/components/secure-partition-manager.rst

15 | FF-A   | Firmware Framework for Arm A-profile |
35 Three implementations of a Secure Partition Manager co-exist in the TF-A
38 #. S-EL2 SPMC based on the FF-A specification `[1]`_, enabling virtualization in
40 #. EL3 SPMC based on the FF-A specification, managing a single S-EL1 partition
52 SPMC) residing at different exception levels. To permit the FF-A specification
56 - The SPMD is located at EL3 and mainly relays the FF-A protocol from NWd
61 TF-A supports both cases:
64   extension. The SPMD relays the FF-A protocol from EL3 to S-EL1.
66   extension. The SPMD relays the FF-A protocol from EL3 to S-EL2.
68 TF-A build options
71 This section explains the TF-A build options involved in building with
72 support for an FF-A based SPM where the SPMD is located at EL3 and the
75 - **SPD=spmd**: this option selects the SPMD component to relay the FF-A
110 - Only Arm's FVP platform is supported to use with the TF-A reference software
114 - ``(*) CTX_INCLUDE_EL2_REGS``, this flag is |TF-A| internal and informational
119   binary implementing FF-A interfaces.
123 Sample TF-A build command line when the SPMC is located at S-EL1
137 Sample TF-A build command line when FEAT_SEL2 architecture extension is
155 Sample TF-A build command line when FEAT_SEL2 architecture extension is
179 Sample TF-A build command line when the SPMC is located at EL3:
193 Sample TF-A build command line when the SPMC is located at EL3 and SEL0 SP is
237 [1] `Arm Firmware Framework for Arm A-profile <https://developer.arm.com/docs/den0077/latest>`__
249 [4] https://git.trustedfirmware.org/TF-A/trusted-firmware-a.git/tree/lib/el3_runtime/aarch64/contex…