From eafaf2a5c24afe3bcc18b75edcdeb0b1db177302 Mon Sep 17 00:00:00 2001 From: John Hauser <31252952+jhauser-us@users.noreply.github.com> Date: Mon, 15 Nov 2021 14:32:47 -0800 Subject: Memory access traps may write zero to stval (#776) Account for the fact that, once again, memory access traps may write zero to stval. --- src/hypervisor.tex | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'src/hypervisor.tex') diff --git a/src/hypervisor.tex b/src/hypervisor.tex index 357132e..42d0846 100644 --- a/src/hypervisor.tex +++ b/src/hypervisor.tex @@ -342,7 +342,8 @@ a guest virtual address to {\tt stval}, GVA is set to~1. For any other trap into HS-mode, GVA is set to~0. \begin{commentary} -For breakpoint and memory access traps, +For breakpoint and memory access traps +that write a nonzero value to {\tt stval}, GVA is redundant with field SPV (the two bits are set the same) except when the explicit memory access of an HLV, HLVX, or HSV instruction causes a fault. -- cgit v1.1