mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-19 11:18:28 +00:00
51 lines
1.2 KiB
C
51 lines
1.2 KiB
C
|
/*
|
||
|
|
* linux/include/asm-arm/proc-armv/domain.h
|
||
|
|
*
|
||
|
|
* Copyright (C) 1999 Russell King.
|
||
|
|
*
|
||
|
|
* This program is free software; you can redistribute it and/or modify
|
||
|
|
* it under the terms of the GNU General Public License version 2 as
|
||
|
|
* published by the Free Software Foundation.
|
||
|
|
*/
|
||
|
|
#ifndef __ASM_PROC_DOMAIN_H
|
||
|
|
#define __ASM_PROC_DOMAIN_H
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Domain numbers
|
||
|
|
*
|
||
|
|
* DOMAIN_IO - domain 2 includes all IO only
|
||
|
|
* DOMAIN_KERNEL - domain 1 includes all kernel memory only
|
||
|
|
* DOMAIN_USER - domain 0 includes all user memory only
|
||
|
|
*/
|
||
|
|
#define DOMAIN_USER 0
|
||
|
|
#define DOMAIN_KERNEL 1
|
||
|
|
#define DOMAIN_TABLE 1
|
||
|
|
#define DOMAIN_IO 2
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Domain types
|
||
|
|
*/
|
||
|
|
#define DOMAIN_NOACCESS 0
|
||
|
|
#define DOMAIN_CLIENT 1
|
||
|
|
#define DOMAIN_MANAGER 3
|
||
|
|
|
||
|
|
#define domain_val(dom,type) ((type) << 2*(dom))
|
||
|
|
|
||
|
|
#define set_domain(x) \
|
||
|
|
do { \
|
||
|
|
__asm__ __volatile__( \
|
||
|
|
"mcr p15, 0, %0, c3, c0 @ set domain" \
|
||
|
|
: : "r" (x)); \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#define modify_domain(dom,type) \
|
||
|
|
do { \
|
||
|
|
unsigned int domain = current->thread.domain; \
|
||
|
|
domain &= ~domain_val(dom, DOMAIN_MANAGER); \
|
||
|
|
domain |= domain_val(dom, type); \
|
||
|
|
current->thread.domain = domain; \
|
||
|
|
set_domain(current->thread.domain); \
|
||
|
|
} while (0)
|
||
|
|
|
||
|
|
#endif
|