From 25988d6b717e20f8733b7a4c691397ce54ed89a0 Mon Sep 17 00:00:00 2001
From: Jeremy Soller <jackpot51@gmail.com>
Date: Mon, 7 Nov 2016 12:47:32 -0700
Subject: [PATCH] Add memory information

---
 scheme/sys/memory.rs | 10 ++++++++++
 scheme/sys/mod.rs    |  4 ++--
 2 files changed, 12 insertions(+), 2 deletions(-)
 create mode 100644 scheme/sys/memory.rs

diff --git a/scheme/sys/memory.rs b/scheme/sys/memory.rs
new file mode 100644
index 0000000..ba58ae0
--- /dev/null
+++ b/scheme/sys/memory.rs
@@ -0,0 +1,10 @@
+use collections::Vec;
+
+use arch::memory::{free_frames, used_frames};
+use syscall::error::Result;
+
+pub fn resource() -> Result<Vec<u8>> {
+    let string = format!("Memory Used: {} KB\nMemory Free: {} KB\n", used_frames() * 4, free_frames() * 4);
+
+    Ok(string.into_bytes())
+}
diff --git a/scheme/sys/mod.rs b/scheme/sys/mod.rs
index 7d560d3..f5ed0bf 100644
--- a/scheme/sys/mod.rs
+++ b/scheme/sys/mod.rs
@@ -10,10 +10,10 @@ use syscall::flag::{MODE_DIR, MODE_FILE, SEEK_CUR, SEEK_END, SEEK_SET};
 use syscall::scheme::Scheme;
 
 mod context;
+mod memory;
 mod scheme;
 //mod interrupt;
 //mod log;
-//mod memory;
 //mod test;
 
 struct Handle {
@@ -37,10 +37,10 @@ impl SysScheme {
         let mut files: BTreeMap<&'static [u8], Box<SysFn>> = BTreeMap::new();
 
         files.insert(b"context", Box::new(move || context::resource()));
+        files.insert(b"memory", Box::new(move || memory::resource()));
         files.insert(b"scheme", Box::new(move || scheme::resource()));
         //files.insert(b"interrupt", Box::new(move || interrupt::resource()));
         //files.insert(b"log", Box::new(move || log::resource()));
-        //files.insert(b"memory", Box::new(move || memory::resource()));
         //files.insert(b"test", Box::new(move || test::resource()));
 
         SysScheme {