fixing segmentation print

src/segmentation.rs

@@ -44,6 +44,16 @@ impl SegmentSelector {
  self.bits >> 3
  }
 
+ /// Returns the requested privilege level of the selector.
+ pub fn rpl(&self) -> u16 {
+ self.bits & 0b11
+ }
+
+ /// Returns the table indicator (TI) bit.
+ pub fn ti(&self) -> u16 {
+ (self.bits >> 2) & 1
+ }
+
  /// Make a new segment selector from a untyped u16 value.
  pub const fn from_raw(bits: u16) -> SegmentSelector {
  SegmentSelector { bits }
@@ -52,37 +62,12 @@ impl SegmentSelector {
 
 impl fmt::Display for SegmentSelector {
  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
- let r0 = match self.contains(SegmentSelector::RPL_0) {
- false => "",
- true => "Ring 0 segment selector.",
- };
- let r1 = match self.contains(SegmentSelector::RPL_1) {
- false => "",
- true => "Ring 1 segment selector.",
- };
- let r2 = match self.contains(SegmentSelector::RPL_2) {
- false => "",
- true => "Ring 2 segment selector.",
- };
- let r3 = match self.contains(SegmentSelector::RPL_3) {
- false => "",
- true => "Ring 3 segment selector.",
- };
  let tbl = match self.contains(SegmentSelector::TI_LDT) {
  false => "GDT Table",
  true => "LDT Table",
  };
 
- write!(
- f,
- "Index {} in {}, {}{}{}{}",
- self.bits >> 3,
- tbl,
- r0,
- r1,
- r2,
- r3
- )
+ write!(f, "Index {} in {}, RPL = {}", self.index(), tbl, self.rpl())
  }
 }