WebSVN – HelenOS – Diff – /branches/sparc/kernel/arch/sparc64/include/mm/sun4v/as.h


/*
 * Copyright (c) 2005 Jakub Jermar
 * Copyright (c) 2009 Pavel Rimsky
 * 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_sun4v_AS_H_
#define KERN_sparc64_sun4v_AS_H_
 
#include <arch/mm/tte.h>
#include <arch/mm/tsb.h>
 
#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH  1
 
#define KERNEL_ADDRESS_SPACE_START_ARCH     (unsigned long) 0x0000000000000000
#define KERNEL_ADDRESS_SPACE_END_ARCH       (unsigned long) 0xffffffffffffffff
#define USER_ADDRESS_SPACE_START_ARCH       (unsigned long) 0x0000000000000000
#define USER_ADDRESS_SPACE_END_ARCH     (unsigned long) 0xffffffffffffffff
 
#define USTACK_ADDRESS_ARCH (0xffffffffffffffffULL - (PAGE_SIZE - 1))
 
#ifdef CONFIG_TSB
 
/**
 * TTE Tag.
 *
 * Even though for sun4v the format of the TSB Tag states that the context
 * field has 16 bits, the T1 CPU still only supports 13-bit contexts and the
 * three most significant bits are always zero.
 */
typedef union tte_tag {
    uint64_t value;
    struct {
 
        unsigned : 3;
        unsigned context : 13;  /**< Software ASID. */
        unsigned : 6;
        uint64_t va_tag : 42;   /**< Virtual address bits <63:22>. */
    } __attribute__ ((packed));
} tte_tag_t;
 
/** TSB entry. */
typedef struct tsb_entry {
    tte_tag_t tag;
    tte_data_t data;
} __attribute__ ((packed)) tsb_entry_t;
 
typedef struct {
    tsb_descr_t tsb_description;
} as_arch_t;
 
#else
 
typedef struct {
} as_arch_t;
 
#endif /* CONFIG_TSB */
 
#include <genarch/mm/as_ht.h>
 
#ifdef CONFIG_TSB
#include <arch/mm/tsb.h>
#define as_invalidate_translation_cache(as, page, cnt) \
    tsb_invalidate((as), (page), (cnt))
#else
#define as_invalidate_translation_cache(as, page, cnt)
#endif
 
extern void as_arch_init(void);
 
#endif
 
/** @}
 */
 

Rev 3862	Rev 4129
1	/*	1	/*
2	* Copyright (c) 2005 Jakub Jermar	2	* Copyright (c) 2005 Jakub Jermar
3	* Copyright (c) 2009 Pavel Rimsky	3	* Copyright (c) 2009 Pavel Rimsky
4	* All rights reserved.	4	* All rights reserved.
5	*	5	*
6	* Redistribution and use in source and binary forms, with or without	6	* Redistribution and use in source and binary forms, with or without
7	* modification, are permitted provided that the following conditions	7	* modification, are permitted provided that the following conditions
8	* are met:	8	* are met:
9	*	9	*
10	* - Redistributions of source code must retain the above copyright	10	* - Redistributions of source code must retain the above copyright
11	* notice, this list of conditions and the following disclaimer.	11	* notice, this list of conditions and the following disclaimer.
12	* - Redistributions in binary form must reproduce the above copyright	12	* - Redistributions in binary form must reproduce the above copyright
13	* notice, this list of conditions and the following disclaimer in the	13	* notice, this list of conditions and the following disclaimer in the
14	* documentation and/or other materials provided with the distribution.	14	* documentation and/or other materials provided with the distribution.
15	* - The name of the author may not be used to endorse or promote products	15	* - The name of the author may not be used to endorse or promote products
16	* derived from this software without specific prior written permission.	16	* derived from this software without specific prior written permission.
17	*	17	*
18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	21	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	23	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28	*/	28	*/
29		29
30	/** @addtogroup sparc64mm	30	/** @addtogroup sparc64mm
31	* @{	31	* @{
32	*/	32	*/
33	/** @file	33	/** @file
34	*/	34	*/
35		35
36	#ifndef KERN_sparc64_sun4v_AS_H_	36	#ifndef KERN_sparc64_sun4v_AS_H_
37	#define KERN_sparc64_sun4v_AS_H_	37	#define KERN_sparc64_sun4v_AS_H_
38		38
39	#include <arch/mm/tte.h>	39	#include <arch/mm/tte.h>
40	#include <arch/mm/tsb.h>	40	#include <arch/mm/tsb.h>
41		41
42	#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 1	42	#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 1
43		43
44	#define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000	44	#define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000
45	#define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff	45	#define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff
46	#define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000	46	#define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000
47	#define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff	47	#define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff
48		48
49	#define USTACK_ADDRESS_ARCH (0xffffffffffffffffULL - (PAGE_SIZE - 1))	49	#define USTACK_ADDRESS_ARCH (0xffffffffffffffffULL - (PAGE_SIZE - 1))
50		50
51	#ifdef CONFIG_TSB	51	#ifdef CONFIG_TSB
52		52
53	/**	53	/**
54	* TTE Tag.	54	* TTE Tag.
55	*	55	*
56	* Even though for sun4v the format of the TSB Tag states that the context	56	* Even though for sun4v the format of the TSB Tag states that the context
57	* field has 16 bits, the T1 CPU still only supports 13-bit contexts and the	57	* field has 16 bits, the T1 CPU still only supports 13-bit contexts and the
58	* three most significant bits are always zero.	58	* three most significant bits are always zero.
59	*/	59	*/
60	typedef union tte_tag {	60	typedef union tte_tag {
61	uint64_t value;	61	uint64_t value;
62	struct {	62	struct {
63	unsigned invalid : 1; /*< Invalidated by software. /	-
64	unsigned : 2;	63	unsigned : 3;
65	unsigned context : 13; /*< Software ASID. /	64	unsigned context : 13; /*< Software ASID. /
66	unsigned : 6;	65	unsigned : 6;
67	uint64_t va_tag : 42; /*< Virtual address bits <63:22>. /	66	uint64_t va_tag : 42; /*< Virtual address bits <63:22>. /
68	} __attribute__ ((packed));	67	} __attribute__ ((packed));
69	} tte_tag_t;	68	} tte_tag_t;
70		69
71	/** TSB entry. */	70	/** TSB entry. */
72	typedef struct tsb_entry {	71	typedef struct tsb_entry {
73	tte_tag_t tag;	72	tte_tag_t tag;
74	tte_data_t data;	73	tte_data_t data;
75	} __attribute__ ((packed)) tsb_entry_t;	74	} __attribute__ ((packed)) tsb_entry_t;
76		75
77	typedef struct {	76	typedef struct {
78	tsb_descr_t tsb_description;	77	tsb_descr_t tsb_description;
79	} as_arch_t;	78	} as_arch_t;
80		79
81	#else	80	#else
82		81
83	typedef struct {	82	typedef struct {
84	} as_arch_t;	83	} as_arch_t;
85		84
86	#endif /* CONFIG_TSB */	85	#endif /* CONFIG_TSB */
87		86
88	#include <genarch/mm/as_ht.h>	87	#include <genarch/mm/as_ht.h>
89		88
90	#ifdef CONFIG_TSB	89	#ifdef CONFIG_TSB
91	#include <arch/mm/tsb.h>	90	#include <arch/mm/tsb.h>
92	#define as_invalidate_translation_cache(as, page, cnt) \	91	#define as_invalidate_translation_cache(as, page, cnt) \
93	tsb_invalidate((as), (page), (cnt))	92	tsb_invalidate((as), (page), (cnt))
94	#else	93	#else
95	#define as_invalidate_translation_cache(as, page, cnt)	94	#define as_invalidate_translation_cache(as, page, cnt)
96	#endif	95	#endif
97		96
98	extern void as_arch_init(void);	97	extern void as_arch_init(void);
99		98
100	#endif	99	#endif
101		100
102	/** @}	101	/** @}
103	*/	102	*/
104		103

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(root)/branches/sparc/kernel/arch/sparc64/include/mm/sun4v/as.h – Rev 3862 → 4129