diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..cd9dfc3
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,19 @@
+; https://editorconfig.org
+
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+indent_style = space
+indent_size = 4
+
+[*.{c,h}]
+indent_size = 2
+
+[*.S]
+indent_size = 8
+
+[Makefile]
+indent_style = tab
+indent_size = 8