- made improvements to memory code (refactored)

- started on improvements to the page frame allocator. it should be able to provide a usable page for any given virtual memory address requested.
2025-03-04 01:28:39 +00:00
parent f502104a6e
commit 2186b829aa
9 changed files with 175 additions and 75 deletions
@@ -0,0 +1,49 @@
+pub enum MemoryUnits {
+    B(usize),
+    KiB(usize),
+    MiB(usize),
+    GiB(usize),
+}
+
+impl MemoryUnits {
+    pub const fn to_bytes(&self) -> usize {
+        match self {
+            Self::B(b) => *b,
+            Self::KiB(kib) => *kib * 1024,
+            Self::MiB(mib) => *mib * 1024 * 1024,
+            Self::GiB(gib) => *gib * 1024 * 1024 * 1024,
+        }
+    }
+
+    pub const fn from_bytes(bytes: usize) -> Self {
+        if bytes < 1024 {
+            Self::B(bytes)
+        } else if bytes < 1024 * 1024 {
+            Self::KiB(bytes / 1024)
+        } else if bytes < 1024 * 1024 * 1024 {
+            Self::MiB(bytes / (1024 * 1024))
+        } else {
+            Self::GiB(bytes / (1024 * 1024 * 1024))
+        }
+    }
+
+    pub const fn convert(&mut self) {
+        match self {
+            Self::B(b) if *b > 1024 => *self = Self::KiB(*b / 1024),
+            Self::KiB(kib) if *kib > 1024 => *self = Self::MiB(*kib / 1024),        
+            Self::MiB(mib) if *mib > 1024 => *self = Self::GiB(*mib / 1024),
+            _ => (),
+        }
+    }
+}
+
+impl core::fmt::Display for MemoryUnits {
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        match self {
+            Self::B(b) => write!(f, "{} B", b),
+            Self::KiB(kib) => write!(f, "{} KiB", kib),
+            Self::MiB(mib) => write!(f, "{} MiB", mib),
+            Self::GiB(gib) => write!(f, "{} GiB", gib),
+        }
+    }
+}