diff options
Diffstat (limited to 'pkg/sentry')
| -rw-r--r-- | pkg/sentry/arch/fpu/fpu_amd64.go | 5 |
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 |