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| author | Bin Lu <bin.lu@arm.com> | 2019-11-26 15:59:51 +0800 |
|---|---|---|
| committer | Bin Lu <bin.lu@arm.com> | 2019-11-26 16:00:00 +0800 |
| commit | 3f0e91b00450f926d8378ebd518b557c1f273712 (patch) | |
| tree | 212ff50d760846f342bbb480cd5253dc62d9b759 /pkg/sentry/platform/ring0 | |
| parent | b72e1b3c0873ea29d031db42e39ca053923eecff (diff) | |
passed the kvm test case of "TestApplicationFault" on Arm64 platform
For test case "TestApplicationFault",
Memory-fault in guest user level will be trapped in el0_da.
And in el0_da, we use mmio_exit to leave the KVM guest.
Signed-off-by: Bin Lu <bin.lu@arm.com>
Diffstat (limited to 'pkg/sentry/platform/ring0')
| -rw-r--r-- | pkg/sentry/platform/ring0/entry_arm64.s | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/pkg/sentry/platform/ring0/entry_arm64.s b/pkg/sentry/platform/ring0/entry_arm64.s index 29c475882..7b7420785 100644 --- a/pkg/sentry/platform/ring0/entry_arm64.s +++ b/pkg/sentry/platform/ring0/entry_arm64.s @@ -444,6 +444,17 @@ 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: |