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authorAntonio Niño Díaz <antonio.ninodiaz@arm.com>2018-10-24 11:29:57 +0200
committerGitHub <noreply@github.com>2018-10-24 11:29:57 +0200
commit44445ae5d86f820c3764fdfac0a109f315ebb54f (patch)
tree11bf7c45ce59d0dcfdd108c1fe2a5e3e3080d433 /docs
parent414c9e6d86e80ef29b6fc8797df8aa1f4e1ea9c6 (diff)
parent3ff4aaaca44b75504aec5ab5b72cd587a6fcd432 (diff)
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Merge pull request #1641 from jeenu-arm/ptrauth
AArch64: Enable lower ELs to use pointer authentication
Diffstat (limited to 'docs')
-rw-r--r--docs/firmware-design.rst6
1 files changed, 6 insertions, 0 deletions
diff --git a/docs/firmware-design.rst b/docs/firmware-design.rst
index 7cc74855d..051b92bba 100644
--- a/docs/firmware-design.rst
+++ b/docs/firmware-design.rst
@@ -2532,6 +2532,12 @@ This Architecture Extension is targeted when ``ARM_ARCH_MAJOR`` == 8 and
translation table entries for a given stage of translation for a particular
translation regime.
+Armv8.3-A
+~~~~~~~~~
+
+- Pointer Authentication features of Armv8.3-A are unconditionally enabled so
+ that lower ELs are allowed to use them without causing a trap to EL3.
+
Armv7-A
~~~~~~~