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docs: Update documentation about ARMv8.2-TTCNP 

Commit 2559b2c825 ("xlat v2: Dynamically detect need for CnP bit")
modified the code to convert the compile-time check for ARMv8.2-TTCNP to
a runtime check, but forgot to update the documentation associated to it.

Change-Id: I6d33a4de389d976dbdcce65d8fdf138959530669
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
This commit is contained in:
Antonio Nino Diaz 2019-02-19 13:14:06 +00:00
parent 41bd188266
commit d71446c38a
1 changed files with 3 additions and 5 deletions
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8
docs/firmware-design.rst
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@ -2544,10 +2544,8 @@ This Architecture Extension is targeted when ``ARM_ARCH_MAJOR`` >= 8, or when
Armv8.2-A
~~~~~~~~~
This Architecture Extension is targeted when ``ARM_ARCH_MAJOR`` == 8 and
``ARM_ARCH_MINOR`` >= 2.
- The Common not Private (CnP) bit is enabled to indicate that multiple
- The presence of ARMv8.2-TTCNP is detected at runtime. When it is present, the
Common not Private (TTBRn_ELx.CnP) bit is enabled to indicate that multiple
Processing Elements in the same Inner Shareable domain use the same
translation table entries for a given stage of translation for a particular
translation regime.
@ -2642,7 +2640,7 @@ References
--------------
*Copyright (c) 2013-2018, Arm Limited and Contributors. All rights reserved.*
*Copyright (c) 2013-2019, Arm Limited and Contributors. All rights reserved.*
.. _Reset Design: ./reset-design.rst
.. _Porting Guide: ./porting-guide.rst