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| author | Adin Scannell <ascannell@google.com> | 2018-07-16 22:02:03 -0700 |
|---|---|---|
| committer | Shentubot <shentubot@google.com> | 2018-07-16 22:02:58 -0700 |
| commit | 29e00c943a61dfcfd4ac8d3f6f526eab641c44a6 (patch) | |
| tree | f7cdb0c59c8363b3a4e5737e17b1b4e423bfc05a /pkg/sentry/platform/ring0/x86.go | |
| parent | 14d06064d26b1cd9e2ccad08ebe997e704092eb8 (diff) | |
Add CPUID faulting for ptrace and KVM.
PiperOrigin-RevId: 204858314
Change-Id: I8252bf8de3232a7a27af51076139b585e73276d4
Diffstat (limited to 'pkg/sentry/platform/ring0/x86.go')
| -rw-r--r-- | pkg/sentry/platform/ring0/x86.go | 14 |
1 files changed, 10 insertions, 4 deletions
diff --git a/pkg/sentry/platform/ring0/x86.go b/pkg/sentry/platform/ring0/x86.go index 3d437a77c..f489fcecb 100644 --- a/pkg/sentry/platform/ring0/x86.go +++ b/pkg/sentry/platform/ring0/x86.go @@ -50,10 +50,16 @@ const ( _EFER_LMA = 0x400 _EFER_NX = 0x800 - _MSR_STAR = 0xc0000081 - _MSR_LSTAR = 0xc0000082 - _MSR_CSTAR = 0xc0000083 - _MSR_SYSCALL_MASK = 0xc0000084 + _MSR_STAR = 0xc0000081 + _MSR_LSTAR = 0xc0000082 + _MSR_CSTAR = 0xc0000083 + _MSR_SYSCALL_MASK = 0xc0000084 + _MSR_PLATFORM_INFO = 0xce + _MSR_MISC_FEATURES = 0x140 + + _PLATFORM_INFO_CPUID_FAULT = 1 << 31 + + _MISC_FEATURE_CPUID_TRAP = 0x1 ) const ( |