go
/
gvisor
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

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>
This commit is contained in:
Bin Lu 2019-11-26 15:59:51 +08:00
parent b72e1b3c08
commit 3f0e91b004
1 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
pkg/sentry/platform/ring0/entry_arm64.s
View File

@ -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: