From 7eaa87c28cb24afb4d33011f77b11109eb91b214 Mon Sep 17 00:00:00 2001
From: mii443 <mii@sfc.wide.ad.jp>
Date: Wed, 2 Jul 2025 14:48:20 +0900
Subject: [PATCH] wip

---
 nel_os_kernel/src/memory.rs | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

diff --git a/nel_os_kernel/src/memory.rs b/nel_os_kernel/src/memory.rs
index 9c564c8..22b48a5 100644
--- a/nel_os_kernel/src/memory.rs
+++ b/nel_os_kernel/src/memory.rs
@@ -1,6 +1,6 @@
 use nel_os_common::memory::{self, UsableMemory};
 
-use crate::constant::ENTRY_COUNT;
+use crate::constant::{BITS_PER_ENTRY, ENTRY_COUNT, PAGE_SIZE};
 
 pub struct BitmapMemoryTable {
     pub used_map: [usize; ENTRY_COUNT],
@@ -23,4 +23,19 @@ impl BitmapMemoryTable {
 
         table
     }
+
+    pub fn set_range(&mut self, range: memory::Range) {
+        let start = range.start;
+        let end = range.end;
+    }
+
+    pub fn set_frame(frame: usize, state: bool) {}
+
+    pub fn frame_to_index(frame: usize) -> usize {
+        frame / BITS_PER_ENTRY
+    }
+
+    pub fn frame_to_offset(frame: usize) -> usize {
+        frame % BITS_PER_ENTRY
+    }
 }