WebSVN – HelenOS – Diff – /trunk/kernel/arch/sparc64/include/mm/as.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_AS_H_
#define KERN_sparc64_AS_H_
 
#include <arch/mm/tte.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
 
/** TSB Tag Target register. */
typedef union tsb_tag_target {
    uint64_t value;
    struct {
        unsigned invalid : 1;   /**< Invalidated by software. */
        unsigned : 2;
        unsigned context : 13;  /**< Software ASID. */
        unsigned : 6;
        uint64_t va_tag : 42;   /**< Virtual address bits <63:22>. */
    } __attribute__ ((packed));
} tsb_tag_target_t;
 
/** TSB entry. */
typedef struct tsb_entry {
    tsb_tag_target_t tag;
    tte_data_t data;
} __attribute__ ((packed)) tsb_entry_t;
 
typedef struct {
    tsb_entry_t *itsb;
    tsb_entry_t *dtsb;
} 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 2089	Rev 2141
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_AS_H_	35	#ifndef KERN_sparc64_AS_H_
36	#define KERN_sparc64_AS_H_	36	#define KERN_sparc64_AS_H_
37		37
38	#include <arch/mm/tte.h>	38	#include <arch/mm/tte.h>
39		39
40	#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 1	40	#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH 1
41		41
42	#define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000	42	#define KERNEL_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000
43	#define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff	43	#define KERNEL_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff
44	#define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000	44	#define USER_ADDRESS_SPACE_START_ARCH (unsigned long) 0x0000000000000000
45	#define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff	45	#define USER_ADDRESS_SPACE_END_ARCH (unsigned long) 0xffffffffffffffff
46		46
47	#define USTACK_ADDRESS_ARCH (0xffffffffffffffffULL - (PAGE_SIZE - 1))	47	#define USTACK_ADDRESS_ARCH (0xffffffffffffffffULL - (PAGE_SIZE - 1))
48		48
49	#ifdef CONFIG_TSB	49	#ifdef CONFIG_TSB
50		50
51	/** TSB Tag Target register. */	51	/** TSB Tag Target register. */
52	typedef union tsb_tag_target {	52	typedef union tsb_tag_target {
53	uint64_t value;	53	uint64_t value;
54	struct {	54	struct {
55	unsigned invalid : 1; /*< Invalidated by software. /	55	unsigned invalid : 1; /*< Invalidated by software. /
56	unsigned : 2;	56	unsigned : 2;
57	unsigned context : 13; /*< Software ASID. /	57	unsigned context : 13; /*< Software ASID. /
58	unsigned : 6;	58	unsigned : 6;
59	uint64_t va_tag : 42; /*< Virtual address bits <63:22>. /	59	uint64_t va_tag : 42; /*< Virtual address bits <63:22>. /
60	} __attribute__ ((packed));	60	} __attribute__ ((packed));
61	} tsb_tag_target_t;	61	} tsb_tag_target_t;
62		62
63	/** TSB entry. */	63	/** TSB entry. */
64	typedef struct tsb_entry {	64	typedef struct tsb_entry {
65	tsb_tag_target_t tag;	65	tsb_tag_target_t tag;
66	tte_data_t data;	66	tte_data_t data;
67	} __attribute__ ((packed)) tsb_entry_t;	67	} __attribute__ ((packed)) tsb_entry_t;
68		68
69	typedef struct {	69	typedef struct {
70	tsb_entry_t *itsb;	70	tsb_entry_t *itsb;
71	tsb_entry_t *dtsb;	71	tsb_entry_t *dtsb;
72	} as_arch_t;	72	} as_arch_t;
73		73
74	#else	74	#else
75		75
76	typedef struct {	76	typedef struct {
77	} as_arch_t;	77	} as_arch_t;
78		78
79	#endif /* CONFIG_TSB */	79	#endif /* CONFIG_TSB */
80		80
81	#include <genarch/mm/as_ht.h>	81	#include <genarch/mm/as_ht.h>
82		82
83	#ifdef CONFIG_TSB	83	#ifdef CONFIG_TSB
84	# include <arch/mm/tsb.h>	84	#include <arch/mm/tsb.h>
85	# define as_invalidate_translation_cache(as, page, cnt) tsb_invalidate(as, page, cnt)	85	#define as_invalidate_translation_cache(as, page, cnt) \
-		86	tsb_invalidate((as), (page), (cnt))
86	#else	87	#else
87	# define as_invalidate_translation_cache(as, page, cnt)	88	#define as_invalidate_translation_cache(as, page, cnt)
88	#endif	89	#endif
89		90
90	extern void as_arch_init(void);	91	extern void as_arch_init(void);
91		92
92	#endif	93	#endif
93		94
94	/** @}	95	/** @}
95	*/	96	*/
96		97

Subversion Repositories HelenOS

(root)/trunk/kernel/arch/sparc64/include/mm/as.h – Rev 2089 → 2141