From 376edcff27e889ca357cc3c0360a3c9b0bf48ed7 Mon Sep 17 00:00:00 2001
From: twoneis <git@chpu.eu>
Date: Thu, 13 Mar 2025 16:37:33 +0100
Subject: [PATCH] try some module stuff

---
 code/Makefile |  6 ++++++
 code/module.c | 21 +++++++++++++++++++++
 flake.nix     |  1 +
 3 files changed, 28 insertions(+)
 create mode 100644 code/module.c

diff --git a/code/Makefile b/code/Makefile
index 8b1378917..a980853d2 100644
--- a/code/Makefile
+++ b/code/Makefile
@@ -1 +1,7 @@
+obj-m += module.o
 
+modules:
+	make -C /lib/modules/$(shell uname -r)/build M=$(shell pwd) modules
+
+clean:
+	make -C /lib/modules/$(shell uname -r)/build M=$(shell pwd) clean
diff --git a/code/module.c b/code/module.c
new file mode 100644
index 000000000..534759f0e
--- /dev/null
+++ b/code/module.c
@@ -0,0 +1,21 @@
+#include <linux/fs.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/proc_fs.h>
+#include <linux/uaccess.h>
+
+static int
+mod_init(void)
+{
+	printk(KERN_INFO "module init");
+	return 0;
+}
+
+static void
+mod_exit(void)
+{
+	printk(KERN_INFO "module exit");
+}
+
+module_init(mod_init);
+module_exit()
diff --git a/flake.nix b/flake.nix
index 100890511..b359df9b2 100644
--- a/flake.nix
+++ b/flake.nix
@@ -24,6 +24,7 @@
           gnumake
           clang-tools
           gcc
+          linuxHeaders
           texlab
           texliveFull
         ];