diff options
| author | Arunachalam Ganapathy <arunachalam.ganapathy@arm.com> | 2020-05-28 11:57:09 +0100 |
|---|---|---|
| committer | Manish Pandey <manish.pandey2@arm.com> | 2020-10-20 20:06:43 +0000 |
| commit | 062f8aaf8a415497191f991a744fc7901362ba3c (patch) | |
| tree | 193bb7e4b55087787f6b19b7117964b0ea28a6e1 /docs | |
| parent | 0f777eabd99d4bf40acf0a215112160502917172 (diff) | |
lib: el3_runtime: Conditionally save/restore EL2 NEVE registers
Include EL2 registers related to Nested Virtualization in EL2 context
save/restore routines if architecture supports it and platform wants to
use these features in Secure world.
Change-Id: If006ab83bbc2576488686f5ffdff88b91adced5c
Signed-off-by: Arunachalam Ganapathy <arunachalam.ganapathy@arm.com>
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/getting_started/build-options.rst | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/docs/getting_started/build-options.rst b/docs/getting_started/build-options.rst index 40fc5dbbc..8adf4ad8b 100644 --- a/docs/getting_started/build-options.rst +++ b/docs/getting_started/build-options.rst @@ -161,6 +161,10 @@ Common build options registers to be included when saving and restoring the CPU context. Default is 0. +- ``CTX_INCLUDE_NEVE_REGS``: Boolean option that, when set to 1, will cause the + Armv8.4-NV registers to be saved/restored when entering/exiting an EL2 + execution context. Default value is 0. + - ``CTX_INCLUDE_PAUTH_REGS``: Boolean option that, when set to 1, enables Pointer Authentication for Secure world. This will cause the ARMv8.3-PAuth registers to be included when saving and restoring the CPU context as |