Subversion Repositories HelenOS

Rev

Rev 2089 | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
418 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2005 Jakub Jermar
418 jermar 3
 * All rights reserved.
4
 *
5
 * Redistribution and use in source and binary forms, with or without
6
 * modification, are permitted provided that the following conditions
7
 * are met:
8
 *
9
 * - Redistributions of source code must retain the above copyright
10
 *   notice, this list of conditions and the following disclaimer.
11
 * - Redistributions in binary form must reproduce the above copyright
12
 *   notice, this list of conditions and the following disclaimer in the
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
15
 *   derived from this software without specific prior written permission.
16
 *
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
19
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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
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
26
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
 */
28
 
1860 jermar 29
/** @addtogroup sparc64mm  
1702 cejka 30
 * @{
31
 */
32
/** @file
33
 */
34
 
1860 jermar 35
#ifndef KERN_sparc64_AS_H_
36
#define KERN_sparc64_AS_H_
418 jermar 37
 
2089 decky 38
#include <arch/mm/tte.h>
1889 jermar 39
 
1070 jermar 40
#define KERNEL_ADDRESS_SPACE_SHADOWED_ARCH  1
418 jermar 41
 
1511 palkovsky 42
#define KERNEL_ADDRESS_SPACE_START_ARCH     (unsigned long) 0x0000000000000000
43
#define KERNEL_ADDRESS_SPACE_END_ARCH       (unsigned long) 0xffffffffffffffff
44
#define USER_ADDRESS_SPACE_START_ARCH       (unsigned long) 0x0000000000000000
45
#define USER_ADDRESS_SPACE_END_ARCH     (unsigned long) 0xffffffffffffffff
418 jermar 46
 
2089 decky 47
#define USTACK_ADDRESS_ARCH (0xffffffffffffffffULL - (PAGE_SIZE - 1))
418 jermar 48
 
2089 decky 49
#ifdef CONFIG_TSB
50
 
51
/** TSB Tag Target register. */
52
typedef union tsb_tag_target {
53
    uint64_t value;
54
    struct {
55
        unsigned invalid : 1;   /**< Invalidated by software. */
56
        unsigned : 2;
57
        unsigned context : 13;  /**< Software ASID. */
58
        unsigned : 6;
59
        uint64_t va_tag : 42;   /**< Virtual address bits <63:22>. */
60
    } __attribute__ ((packed));
61
} tsb_tag_target_t;
62
 
63
/** TSB entry. */
64
typedef struct tsb_entry {
65
    tsb_tag_target_t tag;
66
    tte_data_t data;
67
} __attribute__ ((packed)) tsb_entry_t;
68
 
1889 jermar 69
typedef struct {
70
    tsb_entry_t *itsb;
71
    tsb_entry_t *dtsb;
72
} as_arch_t;
73
 
2089 decky 74
#else
75
 
76
typedef struct {
77
} as_arch_t;
78
 
79
#endif /* CONFIG_TSB */
80
 
81
#include <genarch/mm/as_ht.h>
82
 
1889 jermar 83
#ifdef CONFIG_TSB
2141 jermar 84
#include <arch/mm/tsb.h>
85
#define as_invalidate_translation_cache(as, page, cnt) \
86
    tsb_invalidate((as), (page), (cnt))
1889 jermar 87
#else
2141 jermar 88
#define as_invalidate_translation_cache(as, page, cnt)
1889 jermar 89
#endif
90
 
756 jermar 91
extern void as_arch_init(void);
92
 
418 jermar 93
#endif
1702 cejka 94
 
1860 jermar 95
/** @}
1702 cejka 96
 */