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-rwxr-xr-xpkg/sentry/platform/ring0/entry_impl_arm64.s11
1 files changed, 11 insertions, 0 deletions
diff --git a/pkg/sentry/platform/ring0/entry_impl_arm64.s b/pkg/sentry/platform/ring0/entry_impl_arm64.s
index 5b311df37..876b3a6ba 100755
--- a/pkg/sentry/platform/ring0/entry_impl_arm64.s
+++ b/pkg/sentry/platform/ring0/entry_impl_arm64.s
@@ -621,6 +621,17 @@ el0_svc:
B ·Halt(SB)
el0_da:
+ WORD $0xd538d092 //MRS TPIDR_EL1, R18
+ WORD $0xd538601a //MRS FAR_EL1, R26
+
+ MOVD R26, CPU_FAULT_ADDR(RSV_REG)
+
+ MOVD $1, R3
+ MOVD R3, CPU_ERROR_TYPE(RSV_REG) // Set error type to user.
+
+ MOVD $PageFault, R3
+ MOVD R3, CPU_VECTOR_CODE(RSV_REG)
+
B ·Halt(SB)
el0_ia: