Mem: Format output into table for fmt::Display

bootloader/stage-64bit/src/main.rs

@@ -90,7 +90,7 @@ fn main(stage_to_stage: &Stage32toStage64) {
         })
         .expect("Unable to add stage64 to memory map");
 
-        mm.iter().for_each(|region| logln!("{:x?}", region));
+        logln!("{}", mm);
     }
 
     let elf = Elf::new(unsafe {

crates/mem/src/phys.rs

@@ -23,6 +23,8 @@ DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */
 
+use util::bytes::HumanBytes;
+
 #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord)]
 pub enum PhysMemoryKind {
     None,
@@ -358,6 +360,27 @@ impl<const N: usize> PhysMemoryMap<N> {
     }
 }
 
+impl<const N: usize> core::fmt::Display for PhysMemoryMap<N> {
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        f.write_str(
+            "|     Kind     |       Start      |        End       |        Size       |\n",
+        )?;
+        f.write_str(
+            "+--------------+------------------+------------------+-------------------+\n",
+        )?;
+        for region in self.iter() {
+            f.write_fmt(format_args!(
+                "| {:?}\t | {:#016x} | {:#016x} | {:>16} |\n",
+                region.kind,
+                region.start,
+                region.end,
+                HumanBytes::from(region.end - region.start)
+            ))?;
+        }
+        f.write_str("+--------------+------------------+------------------+-------------------+\n")
+    }
+}
+
 #[cfg(test)]
 mod test {
     use super::*;