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authorgVisor bot <gvisor-bot@google.com>2020-10-28 14:42:18 -0700
committergVisor bot <gvisor-bot@google.com>2020-10-28 14:42:18 -0700
commitd20ef61a839efa19bed44a1cfa4a30a247056ffe (patch)
tree0e777ff63a6c65a52de8cf84bc209c53fd641599
parent9907539d92f0233fa7a0daba22484085da44d1c4 (diff)
parentc534c91b86b5190a367174db97c4a14fe0d0ffae (diff)
Merge pull request #4630 from lemin9538:lemin_arm64_dev
PiperOrigin-RevId: 339540747
-rw-r--r--pkg/sentry/platform/ring0/entry_arm64.s4
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/sentry/platform/ring0/entry_arm64.s b/pkg/sentry/platform/ring0/entry_arm64.s
index 1079a024b..f9278b653 100644
--- a/pkg/sentry/platform/ring0/entry_arm64.s
+++ b/pkg/sentry/platform/ring0/entry_arm64.s
@@ -516,6 +516,10 @@ TEXT ·kernelExitToEl1(SB),NOSPLIT,$0
MOVD CPU_REGISTERS+PTRACE_PC(RSV_REG), R1
MSR R1, ELR_EL1
+ // restore sentry's tls.
+ MOVD CPU_REGISTERS+PTRACE_TLS(RSV_REG), R1
+ MSR R1, TPIDR_EL0
+
MOVD CPU_REGISTERS+PTRACE_SP(RSV_REG), R1
MOVD R1, RSP