WebSVN – HelenOS-historic – Diff – /kernel/trunk/arch/sparc64/include/mm/tte.h


/*
 * Copyright (C) 2005 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 sparc64mm 
 * @{
 */
/** @file
 */
 
#ifndef __sparc64_TTE_H__
#define __sparc64_TTE_H__
 
#include <arch/types.h>
 
/** Translation Table Entry - Tag. */
union tte_tag {
    uint64_t value;
    struct {
        unsigned g : 1;     /**< Global. */
        unsigned : 2;       /**< Reserved. */
        unsigned context : 13;  /**< Context identifier. */
        unsigned : 6;       /**< Reserved. */
        uint64_t va_tag : 42;   /**< Virtual Address Tag, bits 63:22. */
    } __attribute__ ((packed));
};
 
typedef union tte_tag tte_tag_t;
 
/** Translation Table Entry - Data. */
union tte_data {
    uint64_t value;
    struct {
        unsigned v : 1;     /**< Valid. */
        unsigned size : 2;  /**< Page size of this entry. */
        unsigned nfo : 1;   /**< No-Fault-Only. */
        unsigned ie : 1;    /**< Invert Endianness. */
        unsigned soft2 : 9; /**< Software defined field. */
        unsigned diag : 9;  /**< Diagnostic data. */
        unsigned pfn : 28;  /**< Physical Address bits, bits 40:13. */
        unsigned soft : 6;  /**< Software defined field. */
        unsigned l : 1;     /**< Lock. */
        unsigned cp : 1;    /**< Cacheable in physically indexed cache. */
        unsigned cv : 1;    /**< Cacheable in virtually indexed cache. */
        unsigned e : 1;     /**< Side-effect. */
        unsigned p : 1;     /**< Privileged. */
        unsigned w : 1;     /**< Writable. */
        unsigned g : 1;     /**< Global. */
    } __attribute__ ((packed));
};
 
typedef union tte_data tte_data_t;
 
#endif
 
 /** @}
 */
 
 

Subversion Repositories HelenOS-historic

(root)/kernel/trunk/arch/sparc64/include/mm/tte.h – Rev 1702 → 1780

Rev 1702		Rev 1780
1	/*	1	/*
2	* Copyright (C) 2005 Jakub Jermar	2	* Copyright (C) 2005 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 sparc64mm	29	/** @addtogroup sparc64mm
30	* @{	30	* @{
31	*/	31	*/
32	/** @file	32	/** @file
33	*/	33	*/
34		34
35	#ifndef __sparc64_TTE_H__	35	#ifndef __sparc64_TTE_H__
36	#define __sparc64_TTE_H__	36	#define __sparc64_TTE_H__
37		37
38	#include <arch/types.h>	38	#include <arch/types.h>
39		39
40	/** Translation Table Entry - Tag. */	40	/** Translation Table Entry - Tag. */
41	union tte_tag {	41	union tte_tag {
42	__u64 value;	42	uint64_t value;
43	struct {	43	struct {
44	unsigned g : 1; /*< Global. /	44	unsigned g : 1; /*< Global. /
45	unsigned : 2; /*< Reserved. /	45	unsigned : 2; /*< Reserved. /
46	unsigned context : 13; /*< Context identifier. /	46	unsigned context : 13; /*< Context identifier. /
47	unsigned : 6; /*< Reserved. /	47	unsigned : 6; /*< Reserved. /
48	__u64 va_tag : 42; /*< Virtual Address Tag, bits 63:22. /	48	uint64_t va_tag : 42; /*< Virtual Address Tag, bits 63:22. /
49	} __attribute__ ((packed));	49	} __attribute__ ((packed));
50	};	50	};
51		51
52	typedef union tte_tag tte_tag_t;	52	typedef union tte_tag tte_tag_t;
53		53
54	/** Translation Table Entry - Data. */	54	/** Translation Table Entry - Data. */
55	union tte_data {	55	union tte_data {
56	__u64 value;	56	uint64_t value;
57	struct {	57	struct {
58	unsigned v : 1; /*< Valid. /	58	unsigned v : 1; /*< Valid. /
59	unsigned size : 2; /*< Page size of this entry. /	59	unsigned size : 2; /*< Page size of this entry. /
60	unsigned nfo : 1; /*< No-Fault-Only. /	60	unsigned nfo : 1; /*< No-Fault-Only. /
61	unsigned ie : 1; /*< Invert Endianness. /	61	unsigned ie : 1; /*< Invert Endianness. /
62	unsigned soft2 : 9; /*< Software defined field. /	62	unsigned soft2 : 9; /*< Software defined field. /
63	unsigned diag : 9; /*< Diagnostic data. /	63	unsigned diag : 9; /*< Diagnostic data. /
64	unsigned pfn : 28; /*< Physical Address bits, bits 40:13. /	64	unsigned pfn : 28; /*< Physical Address bits, bits 40:13. /
65	unsigned soft : 6; /*< Software defined field. /	65	unsigned soft : 6; /*< Software defined field. /
66	unsigned l : 1; /*< Lock. /	66	unsigned l : 1; /*< Lock. /
67	unsigned cp : 1; /*< Cacheable in physically indexed cache. /	67	unsigned cp : 1; /*< Cacheable in physically indexed cache. /
68	unsigned cv : 1; /*< Cacheable in virtually indexed cache. /	68	unsigned cv : 1; /*< Cacheable in virtually indexed cache. /
69	unsigned e : 1; /*< Side-effect. /	69	unsigned e : 1; /*< Side-effect. /
70	unsigned p : 1; /*< Privileged. /	70	unsigned p : 1; /*< Privileged. /
71	unsigned w : 1; /*< Writable. /	71	unsigned w : 1; /*< Writable. /
72	unsigned g : 1; /*< Global. /	72	unsigned g : 1; /*< Global. /
73	} __attribute__ ((packed));	73	} __attribute__ ((packed));
74	};	74	};
75		75
76	typedef union tte_data tte_data_t;	76	typedef union tte_data tte_data_t;
77		77
78	#endif	78	#endif
79		79
80	/** @}	80	/** @}
81	*/	81	*/
82		82
83		83