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authorgVisor bot <gvisor-bot@google.com>2020-01-21 22:10:32 +0000
committergVisor bot <gvisor-bot@google.com>2020-01-21 22:10:32 +0000
commit1d59262cb8884850d2b28b7d1daa6afb005d21fb (patch)
tree0f8870c1eb65bbc8b7b1262b08839049ec9c8caa
parent2d57cd18e29d8cd17db5e101da48f1e68cb29227 (diff)
parent16694ad2bad01a370d470ec24ff82d819790696c (diff)
Merge release-20200115.0-52-g16694ad (automated)
-rwxr-xr-xpkg/sentry/platform/ring0/entry_impl_arm64.s10
1 files changed, 10 insertions, 0 deletions
diff --git a/pkg/sentry/platform/ring0/entry_impl_arm64.s b/pkg/sentry/platform/ring0/entry_impl_arm64.s
index 36c3d9233..5b311df37 100755
--- a/pkg/sentry/platform/ring0/entry_impl_arm64.s
+++ b/pkg/sentry/platform/ring0/entry_impl_arm64.s
@@ -608,6 +608,16 @@ TEXT ·El0_sync(SB),NOSPLIT,$0
B el0_invalid
el0_svc:
+ WORD $0xd538d092 //MRS TPIDR_EL1, R18
+
+ MOVD $0, CPU_ERROR_CODE(RSV_REG) // Clear error code.
+
+ MOVD $1, R3
+ MOVD R3, CPU_ERROR_TYPE(RSV_REG) // Set error type to user.
+
+ MOVD $Syscall, R3
+ MOVD R3, CPU_VECTOR_CODE(RSV_REG)
+
B ·Halt(SB)
el0_da: