quantity XRSTOR_INFO.</p>
<h2 id="operation">Operation<a class="anchor" href="#operation">
			¶
		</a></h2>
<pre>RFBM ← XCR0 AND EDX:EAX; /* bitwise logical AND */
</pre>
<pre>OLD_BV ← XSTATE_BV field from XSAVE header;
TO_BE_SAVED ← RFBM AND XINUSE;
IF in VMX non-root operation
    THEN VMXNR ← 1;
    ELSE VMXNR ← 0;
FI;
LAXA ← linear address of XSAVE area;
IF XRSTOR_INFO = CPL,VMXNR,LAXA,00000000_00000000H
    THEN TO_BE_SAVED ← TO_BE_SAVED AND XMODIFIED;
FI;
IF TO_BE_SAVED[0] = 1
   