2 * linux/include/asm-arm/domain.h
4 * Copyright (C) 1999 Russell King.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
10 #ifndef __ASM_PROC_DOMAIN_H
11 #define __ASM_PROC_DOMAIN_H
16 * DOMAIN_IO - domain 2 includes all IO only
17 * DOMAIN_KERNEL - domain 1 includes all kernel memory only
18 * DOMAIN_USER - domain 0 includes all user memory only
21 #define DOMAIN_KERNEL 1
22 #define DOMAIN_TABLE 1
28 #define DOMAIN_NOACCESS 0
29 #define DOMAIN_CLIENT 1
30 #define DOMAIN_MANAGER 3
32 #define domain_val(dom,type) ((type) << 2*(dom))
34 #define set_domain(x) \
36 __asm__ __volatile__( \
37 "mcr p15, 0, %0, c3, c0 @ set domain" \
41 #define modify_domain(dom,type) \
43 struct thread_info *thread = current_thread_info(); \
44 unsigned int domain = thread->cpu_domain; \
45 domain &= ~domain_val(dom, DOMAIN_MANAGER); \
46 thread->cpu_domain = domain | domain_val(dom, type); \
47 set_domain(thread->cpu_domain); \