diff --git a/libc/kernel/arch-arm/asm/domain.h b/libc/kernel/arch-arm/asm/domain.h
new file mode 100644
index 0000000..973109e
--- /dev/null
+++ b/libc/kernel/arch-arm/asm/domain.h
@@ -0,0 +1,32 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __ASM_PROC_DOMAIN_H
+#define __ASM_PROC_DOMAIN_H
+
+#define DOMAIN_KERNEL 0
+#define DOMAIN_TABLE 0
+#define DOMAIN_USER 1
+#define DOMAIN_IO 2
+
+#define DOMAIN_NOACCESS 0
+#define DOMAIN_CLIENT 1
+#define DOMAIN_MANAGER 3
+
+#define domain_val(dom,type) ((type) << (2*(dom)))
+
+#ifndef __ASSEMBLY__
+
+#define set_domain(x) do { } while (0)
+#define modify_domain(dom,type) do { } while (0)
+
+#endif
+#endif