include/setup.sh

1 files changed, 12 insertions, 0 deletions

diff --git a/include/09.paging/deo4 b/include/09.paging/deo4
new file mode 100644
index 0000000..6905d35
--- /dev/null
+++ b/include/09.paging/deo4
@@ -0,0 +1,12 @@
+void set_pd()
+{
+    //set each entry to not present
+    for(size_t i=0;i<1024;i++)
+    {
+        // This sets the following flags to the pages:
+        //   Supervisor: Only kernel-mode can access them
+        //   Write Enabled: It can be both read from and written to
+        //   Not Present: The page table is not present
+        page_directory[i] = 0x00000002;
+    }
+}