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Diffstat (limited to 'docs/firmware-design.rst')
| -rw-r--r-- | docs/firmware-design.rst | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/docs/firmware-design.rst b/docs/firmware-design.rst index 808afeedb..ead7297d9 100644 --- a/docs/firmware-design.rst +++ b/docs/firmware-design.rst @@ -2566,6 +2566,11 @@ Armv8.3-A must be set to 1. This will add all pointer authentication system registers to the context that is saved when doing a world switch. + The Trusted Firmware itself has support for pointer authentication at runtime + that can be enabled by setting both options ``ENABLE_PAUTH`` and + ``CTX_INCLUDE_PAUTH_REGS`` to 1. This enables pointer authentication in BL1, + BL2, BL31, and the TSP if it is used. + Armv7-A ~~~~~~~ |