From 9dab87c808ff1e947dae57d63483e91270776321 Mon Sep 17 00:00:00 2001 From: Andrew Waterman Date: Fri, 11 Oct 2024 17:21:39 -0700 Subject: [PATCH] Add Svukte implementation note --- src/supervisor.adoc | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/supervisor.adoc b/src/supervisor.adoc index dda897da5..14586f572 100644 --- a/src/supervisor.adoc +++ b/src/supervisor.adoc @@ -2312,6 +2312,9 @@ independent of the faulting virtual address. NOTE: An Svukte-qualified access to such an address raises an exception even if the underlying PTE would have otherwise allowed the access. +Practical implementations of Svukte will raise these exceptions based upon the +effective address, without accessing the page tables or address-translation +caches. NOTE: Since whether an instruction is Svukte-qualified depends on the _effective_ privilege mode of the access, even some instructions executed in HS-mode or M-mode