WebSVN – HelenOS – Diff – /trunk/kernel/generic/include/mm/asid.h


/*
 * Copyright (c) 2006 Jakub Jermar
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
/** @addtogroup genericmm
 * @{
 */
/** @file
 */
 
/*
 * This is generic interface for managing
 * Address Space IDentifiers (ASIDs).
 */
 
#ifndef KERN_ASID_H_
#define KERN_ASID_H_
 
#ifndef __ASM__
 
#include <arch/mm/asid.h>
#include <typedefs.h>
 
#endif
 
#define ASID_KERNEL 0
#define ASID_INVALID    1
#define ASID_START  2
#define ASID_MAX    ASID_MAX_ARCH
 
#ifndef __ASM__
 
#define ASIDS_ALLOCABLE ((ASID_MAX + 1) - ASID_START)
 
extern spinlock_t asidlock;
extern link_t as_with_asid_head;
 
#ifndef asid_get
extern asid_t asid_get(void);
#endif /* !def asid_get */
 
#ifndef asid_put
extern void asid_put(asid_t asid);
#endif /* !def asid_put */
 
#ifndef asid_install
extern void asid_install(as_t *as);
#endif /* !def asid_install */
 
#ifndef asid_find_free
extern asid_t asid_find_free(void);
#endif /* !def asid_find_free */
 
#ifndef asid_put_arch
extern void asid_put_arch(asid_t asid);
#endif /* !def asid_put_arch */
 
#endif
 
#endif
 
/** @}
 */
 

Rev 1941	Rev 2071
1	/*	1	/*
2	* Copyright (C) 2006 Jakub Jermar	2	* Copyright (c) 2006 Jakub Jermar
3	* All rights reserved.	3	* All rights reserved.
4	*	4	*
5	* Redistribution and use in source and binary forms, with or without	5	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	6	* modification, are permitted provided that the following conditions
7	* are met:	7	* are met:
8	*	8	*
9	* - Redistributions of source code must retain the above copyright	9	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	10	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	11	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	12	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	13	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	14	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	15	* derived from this software without specific prior written permission.
16	*	16	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	27	*/
28		28
29	/** @addtogroup genericmm	29	/** @addtogroup genericmm
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	/*	35	/*
36	* This is generic interface for managing	36	* This is generic interface for managing
37	* Address Space IDentifiers (ASIDs).	37	* Address Space IDentifiers (ASIDs).
38	*/	38	*/
39		39
40	#ifndef KERN_ASID_H_	40	#ifndef KERN_ASID_H_
41	#define KERN_ASID_H_	41	#define KERN_ASID_H_
42		42
43	#ifndef __ASM__	43	#ifndef __ASM__
44		44
45	#include <arch/mm/asid.h>	45	#include <arch/mm/asid.h>
46	#include <typedefs.h>	46	#include <typedefs.h>
47		47
48	#endif	48	#endif
49		49
50	#define ASID_KERNEL 0	50	#define ASID_KERNEL 0
51	#define ASID_INVALID 1	51	#define ASID_INVALID 1
52	#define ASID_START 2	52	#define ASID_START 2
53	#define ASID_MAX ASID_MAX_ARCH	53	#define ASID_MAX ASID_MAX_ARCH
54		54
55	#ifndef __ASM__	55	#ifndef __ASM__
56		56
57	#define ASIDS_ALLOCABLE ((ASID_MAX + 1) - ASID_START)	57	#define ASIDS_ALLOCABLE ((ASID_MAX + 1) - ASID_START)
58		58
59	extern spinlock_t asidlock;	59	extern spinlock_t asidlock;
60	extern link_t as_with_asid_head;	60	extern link_t as_with_asid_head;
61		61
62	#ifndef asid_get	62	#ifndef asid_get
63	extern asid_t asid_get(void);	63	extern asid_t asid_get(void);
64	#endif /* !def asid_get */	64	#endif /* !def asid_get */
65		65
66	#ifndef asid_put	66	#ifndef asid_put
67	extern void asid_put(asid_t asid);	67	extern void asid_put(asid_t asid);
68	#endif /* !def asid_put */	68	#endif /* !def asid_put */
69		69
70	#ifndef asid_install	70	#ifndef asid_install
71	extern void asid_install(as_t *as);	71	extern void asid_install(as_t *as);
72	#endif /* !def asid_install */	72	#endif /* !def asid_install */
73		73
74	#ifndef asid_find_free	74	#ifndef asid_find_free
75	extern asid_t asid_find_free(void);	75	extern asid_t asid_find_free(void);
76	#endif /* !def asid_find_free */	76	#endif /* !def asid_find_free */
77		77
78	#ifndef asid_put_arch	78	#ifndef asid_put_arch
79	extern void asid_put_arch(asid_t asid);	79	extern void asid_put_arch(asid_t asid);
80	#endif /* !def asid_put_arch */	80	#endif /* !def asid_put_arch */
81		81
82	#endif	82	#endif
83		83
84	#endif	84	#endif
85		85
86	/** @}	86	/** @}
87	*/	87	*/
88		88

Subversion Repositories HelenOS

(root)/trunk/kernel/generic/include/mm/asid.h – Rev 1941 → 2071