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authorBin Lu <bin.lu@arm.com>2019-11-26 15:57:07 +0800
committerBin Lu <bin.lu@arm.com>2019-11-26 15:57:15 +0800
commit3e0062480650ded910ef6bc80883668da89e2ef8 (patch)
tree79b6743e2c14a65ff7d42ce05300e937c9887287 /pkg/sentry
parentb72e1b3c0873ea29d031db42e39ca053923eecff (diff)
passed the kvm test case of "TestApplicationSyscall" on Arm64 platform
For test case "TestApplicationSyscall", Syscall in guest user level will be trapped in el0_svc. And in el0_svc, we use mmio_exit to leave the KVM guest for now. Signed-off-by: Bin Lu <bin.lu@arm.com>
Diffstat (limited to 'pkg/sentry')
-rw-r--r--pkg/sentry/platform/ring0/entry_arm64.s10
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 29c475882..bd9f09469 100644
--- a/pkg/sentry/platform/ring0/entry_arm64.s
+++ b/pkg/sentry/platform/ring0/entry_arm64.s
@@ -441,6 +441,16 @@ 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: