summaryrefslogtreecommitdiffhomepage
path: root/pkg/sentry/platform
diff options
context:
space:
mode:
authorKevin Krakauer <krakauer@google.com>2020-01-21 13:16:25 -0800
committerKevin Krakauer <krakauer@google.com>2020-01-21 13:16:25 -0800
commit62357a0afb5f4128a11dc9a1dfadd2957ec39e2d (patch)
tree2f93dc1bb5680434f3bcd69df60d45af89777a94 /pkg/sentry/platform
parentbd292894097ffdf316bc78d81aebd0a2988124f3 (diff)
parent2ba6198851dc1e293295d7cadf8c0ae456b68beb (diff)
Merge branch 'master' into iptables-write-filter-proto
Diffstat (limited to 'pkg/sentry/platform')
-rw-r--r--pkg/sentry/platform/kvm/machine_amd64.go4
-rw-r--r--pkg/sentry/platform/kvm/machine_arm64.go4
-rw-r--r--pkg/sentry/platform/ring0/entry_arm64.s10
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: