diff --git a/config.h b/config.h
new file mode 100644
index 0000000..5c778ee
--- /dev/null
+++ b/config.h
@@ -0,0 +1,8 @@
+/*
+ * Number of CPU's For now, this is hard-coded here. It will likely be
+ * dynamically discovered in the future.
+ */
+#define NCPU 3
+
+/* Maximum number of files open */
+#define NOFILE 10
diff --git a/start.c b/start.c
index e07633f..27ef439 100644
--- a/start.c
+++ b/start.c
@@ -1,12 +1,6 @@
 #include <riscv.h>
 #include <types.h>
 
-/*
- * Number of CPU's For now, this is hard-coded here. It will likely be in a
- * header, or dynamically discovered in the future
- */
-#define NCPU 3
-
 /* QEMU memory maps a UART device here. */
 #define UART_BASE ((volatile char *)0x10000000)