Jordi Vaquero has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/24303 )
Change subject: arch-arm: Fix EL2 target exception level for SP alignment
fault.
......................................................................
arch-arm: Fix EL2 target exception level for SP alignment fault.
This commit fixes the target exception Level EL2 for alignmemt fault, it
is based on HCR_EL2.tge bit.
Change-Id: Ief78b2aa0c86f1c3d9a5d3ca00121d163a9d6a86
---
M src/arch/arm/faults.cc
M src/arch/arm/faults.hh
2 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/src/arch/arm/faults.cc b/src/arch/arm/faults.cc
index 5a7b8e8..bd38fdc 100644
--- a/src/arch/arm/faults.cc
+++ b/src/arch/arm/faults.cc
@@ -1541,6 +1541,14 @@
SPAlignmentFault::SPAlignmentFault()
{}
+bool
+SPAlignmentFault::routeToHyp(ThreadContext *tc) const
+{
+ assert(from64);
+ HCR hcr = tc->readMiscRegNoEffect(MISCREG_HCR_EL2);
+ return EL2Enabled(tc) && hcr.tge==1;
+}
+
SystemError::SystemError()
{}
diff --git a/src/arch/arm/faults.hh b/src/arch/arm/faults.hh
index 3f61bc7..508fd03 100644
--- a/src/arch/arm/faults.hh
+++ b/src/arch/arm/faults.hh
@@ -571,6 +571,7 @@
{
public:
SPAlignmentFault();
+ bool routeToHyp(ThreadContext *tc) const override;
};
/// System error (AArch64 only)
--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: Ief78b2aa0c86f1c3d9a5d3ca00121d163a9d6a86
Gerrit-Change-Number: 24303
Gerrit-PatchSet: 1
Gerrit-Owner: Jordi Vaquero <jordi.vaqu...@metempsy.com>
Gerrit-MessageType: newchange
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