From 2dafa56d4b3d3859f8068a525786cb88ee19f0d1 Mon Sep 17 00:00:00 2001
From: ngiddings <nathang567@gmail.com>
Date: Mon, 23 Oct 2023 18:48:07 -0500
Subject: [PATCH] Added document to describe design of OS

---
 OS-DESIGN.md | 80 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 80 insertions(+)
 create mode 100644 OS-DESIGN.md

diff --git a/OS-DESIGN.md b/OS-DESIGN.md
new file mode 100644
index 0000000..f40b0eb
--- /dev/null
+++ b/OS-DESIGN.md
@@ -0,0 +1,80 @@
+# Overview
+
+
+# System calls
+
+## System call list
+
+### map_anonymous(location, size, flags)
+
+
+
+Privilage level: user
+
+### unmap_anonymous(location, size)
+
+Privilage level: user
+
+### map_physical(location, size)
+
+Privilage level: system
+
+### unmap_physical(location, size)
+
+Privilage level: system
+
+### object_create(location, size, flags)
+
+Privilage level: user
+
+### object_aquire(id, location)
+
+Privilage level: user
+
+### object_release(id)
+
+Privilage level: user
+
+### send_pid(data, dest, flags)
+
+Privilage level: user
+
+### send_port(data, dest, flags)
+
+Privilage level: user
+
+### receive(buffer, flags)
+
+Privilage level: user
+
+### port_open(id)
+
+Privilage level: user
+
+### port_close(id)
+
+Privilage level: user
+
+### clone(entry, arg, stack, flags)
+
+Privilage level: user
+
+### signal_action(id, action, flags)
+
+Privilage level: user
+
+### signal_return()
+
+Privilage level: user
+
+### signal_raise(pid, id, arg)
+
+Privilage level: user
+
+### interrupt_action(id, action, flags)
+
+Privilage level: system
+
+### interrupt_return()
+
+Privilage level: system