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| author | Bin Lu <bin.lu@arm.com> | 2020-03-04 04:20:36 -0500 |
|---|---|---|
| committer | Bin Lu <bin.lu@arm.com> | 2020-03-12 05:57:47 -0400 |
| commit | 7df936f359766618470ae31a7cbf1b761bd19b59 (patch) | |
| tree | db6971413c2861ce51aebbb435f493ba0261c503 /pkg/sentry/arch/arch_aarch64.go | |
| parent | ef1219c1451a75916693a54ddad39d04cf763d90 (diff) | |
passed the syscall test case 'alarm' on Arm64 platform
This issue was caused by 'restart_syscall'.
The value of Register R0 should be stored after finishing sysemu.
So that we can restore the value and restart syscall.
Signed-off-by: Bin Lu <bin.lu@arm.com>
Diffstat (limited to 'pkg/sentry/arch/arch_aarch64.go')
| -rw-r--r-- | pkg/sentry/arch/arch_aarch64.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/pkg/sentry/arch/arch_aarch64.go b/pkg/sentry/arch/arch_aarch64.go index 5053393c1..01940bca4 100644 --- a/pkg/sentry/arch/arch_aarch64.go +++ b/pkg/sentry/arch/arch_aarch64.go @@ -97,6 +97,9 @@ type State struct { // FeatureSet is a pointer to the currently active feature set. FeatureSet *cpuid.FeatureSet + + // OrigR0 stores the value of register R0. + OrigR0 uint64 } // Proto returns a protobuf representation of the system registers in State. @@ -146,6 +149,7 @@ func (s *State) Fork() State { Regs: s.Regs, aarch64FPState: s.aarch64FPState.fork(), FeatureSet: s.FeatureSet, + OrigR0: s.OrigR0, } } |