From f887d2f38b205237cbd03ce921aff7a79986e2ff Mon Sep 17 00:00:00 2001
From: Nathan Reiner <nathan@nathanreiner.xyz>
Date: Sat, 11 Feb 2023 14:55:28 +0100
Subject: add mknod

---
 lib/sys/mknod.h | 13 +++++++++++++
 lib/sys/types.h | 19 +++++++++++++++++++
 2 files changed, 32 insertions(+)
 create mode 100644 lib/sys/mknod.h
 create mode 100644 lib/sys/types.h

(limited to 'lib/sys')

diff --git a/lib/sys/mknod.h b/lib/sys/mknod.h
new file mode 100644
index 0000000..b51c4ef
--- /dev/null
+++ b/lib/sys/mknod.h
@@ -0,0 +1,13 @@
+#ifndef MKNOD_H
+#define MKNOD_H
+
+#include "syscalls.h"
+
+#include "types.h"
+
+int mknod(const char *filename, mode_t mode, unsigned int dev)
+{
+	return syscall(MKNOD, filename, mode, dev);
+}
+
+#endif
diff --git a/lib/sys/types.h b/lib/sys/types.h
new file mode 100644
index 0000000..0aafec5
--- /dev/null
+++ b/lib/sys/types.h
@@ -0,0 +1,19 @@
+#ifndef TYPES_H
+#define TYPES_H
+
+#include "sizes.h"
+
+typedef u64 dev_t;
+typedef u32 mode_t;
+
+static dev_t inline device(dev_t major, dev_t minor)
+{
+	dev_t dev;
+	dev  = (((dev_t) (major & 0x00000fffu)) <<  8);
+	dev |= (((dev_t) (major & 0xfffff000u)) << 32);
+	dev |= (((dev_t) (minor & 0x000000ffu)) <<  0);
+	dev |= (((dev_t) (minor & 0xffffff00u)) << 12);
+	return dev;
+}
+
+#endif
-- 
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