WebSVN – HelenOS – Diff – /trunk/kernel/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 KERN_sparc64_TTE_H_
#define KERN_sparc64_TTE_H_
 
#define TTE_G       (1<<0)
#define TTE_W       (1<<1)
#define TTE_P       (1<<2)
#define TTE_E       (1<<3)
#define TTE_CV      (1<<4)
#define TTE_CP      (1<<5)
#define TTE_L       (1<<6)
 
#define TTE_V_SHIFT 63
#define TTE_SIZE_SHIFT  61
 
#ifndef __ASM__
 
#include <arch/types.h>
 
#define VA_TAG_PAGE_SHIFT   22
 
/** 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 /* !def __ASM__ */
 
#endif
 
/** @}
 */
 

Rev 1860	Rev 1891
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 KERN_sparc64_TTE_H_	35	#ifndef KERN_sparc64_TTE_H_
36	#define KERN_sparc64_TTE_H_	36	#define KERN_sparc64_TTE_H_
37		37
38	#define TTE_G (1<<0)	38	#define TTE_G (1<<0)
39	#define TTE_W (1<<1)	39	#define TTE_W (1<<1)
40	#define TTE_P (1<<2)	40	#define TTE_P (1<<2)
41	#define TTE_E (1<<3)	41	#define TTE_E (1<<3)
42	#define TTE_CV (1<<4)	42	#define TTE_CV (1<<4)
43	#define TTE_CP (1<<5)	43	#define TTE_CP (1<<5)
44	#define TTE_L (1<<6)	44	#define TTE_L (1<<6)
45		45
46	#define TTE_V_SHIFT 63	46	#define TTE_V_SHIFT 63
47	#define TTE_SIZE_SHIFT 61	47	#define TTE_SIZE_SHIFT 61
48		48
49	#ifndef __ASM__	49	#ifndef __ASM__
50		50
51	#include <arch/types.h>	51	#include <arch/types.h>
52		52
-		53	#define VA_TAG_PAGE_SHIFT 22
-		54
53	/** Translation Table Entry - Tag. */	55	/** Translation Table Entry - Tag. */
54	union tte_tag {	56	union tte_tag {
55	uint64_t value;	57	uint64_t value;
56	struct {	58	struct {
57	unsigned g : 1; /*< Global. /	59	unsigned g : 1; /*< Global. /
58	unsigned : 2; /*< Reserved. /	60	unsigned : 2; /*< Reserved. /
59	unsigned context : 13; /*< Context identifier. /	61	unsigned context : 13; /*< Context identifier. /
60	unsigned : 6; /*< Reserved. /	62	unsigned : 6; /*< Reserved. /
61	uint64_t va_tag : 42; /*< Virtual Address Tag, bits 63:22. /	63	uint64_t va_tag : 42; /*< Virtual Address Tag, bits 63:22. /
62	} __attribute__ ((packed));	64	} __attribute__ ((packed));
63	};	65	};
64		66
65	typedef union tte_tag tte_tag_t;	67	typedef union tte_tag tte_tag_t;
66		68
67	/** Translation Table Entry - Data. */	69	/** Translation Table Entry - Data. */
68	union tte_data {	70	union tte_data {
69	uint64_t value;	71	uint64_t value;
70	struct {	72	struct {
71	unsigned v : 1; /*< Valid. /	73	unsigned v : 1; /*< Valid. /
72	unsigned size : 2; /*< Page size of this entry. /	74	unsigned size : 2; /*< Page size of this entry. /
73	unsigned nfo : 1; /*< No-Fault-Only. /	75	unsigned nfo : 1; /*< No-Fault-Only. /
74	unsigned ie : 1; /*< Invert Endianness. /	76	unsigned ie : 1; /*< Invert Endianness. /
75	unsigned soft2 : 9; /*< Software defined field. /	77	unsigned soft2 : 9; /*< Software defined field. /
76	unsigned diag : 9; /*< Diagnostic data. /	78	unsigned diag : 9; /*< Diagnostic data. /
77	unsigned pfn : 28; /*< Physical Address bits, bits 40:13. /	79	unsigned pfn : 28; /*< Physical Address bits, bits 40:13. /
78	unsigned soft : 6; /*< Software defined field. /	80	unsigned soft : 6; /*< Software defined field. /
79	unsigned l : 1; /*< Lock. /	81	unsigned l : 1; /*< Lock. /
80	unsigned cp : 1; /*< Cacheable in physically indexed cache. /	82	unsigned cp : 1; /*< Cacheable in physically indexed cache. /
81	unsigned cv : 1; /*< Cacheable in virtually indexed cache. /	83	unsigned cv : 1; /*< Cacheable in virtually indexed cache. /
82	unsigned e : 1; /*< Side-effect. /	84	unsigned e : 1; /*< Side-effect. /
83	unsigned p : 1; /*< Privileged. /	85	unsigned p : 1; /*< Privileged. /
84	unsigned w : 1; /*< Writable. /	86	unsigned w : 1; /*< Writable. /
85	unsigned g : 1; /*< Global. /	87	unsigned g : 1; /*< Global. /
86	} __attribute__ ((packed));	88	} __attribute__ ((packed));
87	};	89	};
88		90
89	typedef union tte_data tte_data_t;	91	typedef union tte_data tte_data_t;
90		92
91	#endif /* !def __ASM__ */	93	#endif /* !def __ASM__ */
92		94
93	#endif	95	#endif
94		96
95	/** @}	97	/** @}
96	*/	98	*/
97		99

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/include/mm/tte.h – Rev 1860 → 1891