diff options
author | Kevin Krakauer <krakauer@google.com> | 2020-01-21 13:16:25 -0800 |
---|---|---|
committer | Kevin Krakauer <krakauer@google.com> | 2020-01-21 13:16:25 -0800 |
commit | 62357a0afb5f4128a11dc9a1dfadd2957ec39e2d (patch) | |
tree | 2f93dc1bb5680434f3bcd69df60d45af89777a94 /pkg/sentry/platform | |
parent | bd292894097ffdf316bc78d81aebd0a2988124f3 (diff) | |
parent | 2ba6198851dc1e293295d7cadf8c0ae456b68beb (diff) |
Merge branch 'master' into iptables-write-filter-proto
Diffstat (limited to 'pkg/sentry/platform')
-rw-r--r-- | pkg/sentry/platform/kvm/machine_amd64.go | 4 | ||||
-rw-r--r-- | pkg/sentry/platform/kvm/machine_arm64.go | 4 | ||||
-rw-r--r-- | pkg/sentry/platform/ring0/entry_arm64.s | 10 |
3 files changed, 16 insertions, 2 deletions
diff --git a/pkg/sentry/platform/kvm/machine_amd64.go b/pkg/sentry/platform/kvm/machine_amd64.go index b99fe425e..873e39dc7 100644 --- a/pkg/sentry/platform/kvm/machine_amd64.go +++ b/pkg/sentry/platform/kvm/machine_amd64.go @@ -90,7 +90,9 @@ func (m *machine) dropPageTables(pt *pagetables.PageTables) { // Clear from all PCIDs. for _, c := range m.vCPUs { - c.PCIDs.Drop(pt) + if c.PCIDs != nil { + c.PCIDs.Drop(pt) + } } } diff --git a/pkg/sentry/platform/kvm/machine_arm64.go b/pkg/sentry/platform/kvm/machine_arm64.go index 7ae47f291..3b1f20219 100644 --- a/pkg/sentry/platform/kvm/machine_arm64.go +++ b/pkg/sentry/platform/kvm/machine_arm64.go @@ -97,7 +97,9 @@ func (m *machine) dropPageTables(pt *pagetables.PageTables) { // Clear from all PCIDs. for _, c := range m.vCPUs { - c.PCIDs.Drop(pt) + if c.PCIDs != nil { + c.PCIDs.Drop(pt) + } } } diff --git a/pkg/sentry/platform/ring0/entry_arm64.s b/pkg/sentry/platform/ring0/entry_arm64.s index 64e9c0845..da07815ff 100644 --- a/pkg/sentry/platform/ring0/entry_arm64.s +++ b/pkg/sentry/platform/ring0/entry_arm64.s @@ -474,6 +474,16 @@ TEXT ·El1_sync(SB),NOSPLIT,$0 B el1_invalid el1_da: + WORD $0xd538d092 //MRS TPIDR_EL1, R18 + WORD $0xd538601a //MRS FAR_EL1, R26 + + MOVD R26, CPU_FAULT_ADDR(RSV_REG) + + MOVD $0, CPU_ERROR_TYPE(RSV_REG) + + MOVD $PageFault, R3 + MOVD R3, CPU_VECTOR_CODE(RSV_REG) + B ·Halt(SB) el1_ia: |