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| author | gVisor bot <gvisor-bot@google.com> | 2020-01-21 13:56:48 -0800 |
|---|---|---|
| committer | gVisor bot <gvisor-bot@google.com> | 2020-01-21 13:56:48 -0800 |
| commit | 16694ad2bad01a370d470ec24ff82d819790696c (patch) | |
| tree | 5ed1ad77d5a43e8e9fbb393badcfa9cb7b41b505 /pkg/sentry/platform/ring0 | |
| parent | d46c397a1cd38f1e2aa5c864c1bb8594fb87bb63 (diff) | |
| parent | 3e0062480650ded910ef6bc80883668da89e2ef8 (diff) | |
Merge pull request #1274 from lubinszARM:pr_ring0_4
PiperOrigin-RevId: 290811598
Diffstat (limited to 'pkg/sentry/platform/ring0')
| -rw-r--r-- | pkg/sentry/platform/ring0/entry_arm64.s | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/pkg/sentry/platform/ring0/entry_arm64.s b/pkg/sentry/platform/ring0/entry_arm64.s index da07815ff..22af98a18 100644 --- a/pkg/sentry/platform/ring0/entry_arm64.s +++ b/pkg/sentry/platform/ring0/entry_arm64.s @@ -544,6 +544,16 @@ 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: |