summaryrefslogtreecommitdiffhomepage
path: root/pkg/sentry
diff options
context:
space:
mode:
authorgVisor bot <gvisor-bot@google.com>2021-04-10 00:35:45 +0000
committergVisor bot <gvisor-bot@google.com>2021-04-10 00:35:45 +0000
commitb49ed2038a13acf391f26a6b4ef7e7808b53103d (patch)
treec1e2be0fa174d273cb68a5a858c301302749ac89 /pkg/sentry
parent4c57ae1fda3e3ae786efc905665bd3aa7b09a730 (diff)
parent7420821a7b5fe15f3666bb4971796cd45fc5ff38 (diff)
Merge release-20210408.0-15-g7420821a7 (automated)
Diffstat (limited to 'pkg/sentry')
-rw-r--r--pkg/sentry/arch/fpu/fpu_amd64.go5
1 files changed, 5 insertions, 0 deletions
diff --git a/pkg/sentry/arch/fpu/fpu_amd64.go b/pkg/sentry/arch/fpu/fpu_amd64.go
index 1e9625bee..f0ba26736 100644
--- a/pkg/sentry/arch/fpu/fpu_amd64.go
+++ b/pkg/sentry/arch/fpu/fpu_amd64.go
@@ -219,6 +219,11 @@ func (s *State) PtraceSetXstateRegs(src io.Reader, maxlen int, featureSet *cpuid
return copy(*s, f), nil
}
+// SetMXCSR sets the MXCSR control/status register in the state.
+func (s *State) SetMXCSR(mxcsr uint32) {
+ hostarch.ByteOrder.PutUint32((*s)[mxcsrOffset:], mxcsr)
+}
+
// BytePointer returns a pointer to the first byte of the state.
//
//go:nosplit