From a613309440dda114889153ef335fb2381ee6b2b4 Mon Sep 17 00:00:00 2001
From: Andrew Golovashevich <landgrafhomyak@gmail.com>
Date: Mon, 15 Dec 2025 23:41:38 +0300
Subject: [PATCH] Virtual memory api

---
 src/lib.rs            |  1 +
 src/virtual_memory.rs | 18 ++++++++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100644 src/virtual_memory.rs

diff --git a/src/lib.rs b/src/lib.rs
index b09728a..f096b65 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -4,6 +4,7 @@ mod general;
 mod pages;
 mod stack;
 mod typed;
+pub mod virtual_memory;
 
 pub fn panicOOM() -> ! {
     panic!("Out of memory");
diff --git a/src/virtual_memory.rs b/src/virtual_memory.rs
new file mode 100644
index 0000000..af87e20
--- /dev/null
+++ b/src/virtual_memory.rs
@@ -0,0 +1,18 @@
+use std::ptr::{NonNull, null};
+
+pub unsafe trait VirtualMemoryApi: Sized + Drop {
+    type Reservation: Reservation;
+
+    fn getPageSize(&self) -> usize;
+
+    fn reserveMemory(
+        &mut self,
+        extend: Option<&Self::Reservation>,
+        pagesCount: usize,
+    ) -> Self::Reservation;
+}
+
+pub unsafe trait Reservation: Sized + Ord + Drop {
+    fn commitPages(&mut self, indexOfFirst: usize, count: usize) -> *mut [u8];
+    fn decommitPages(&mut self, indexOfFirst: usize, count: usize);
+}