Subversion Repositories HelenOS

Rev

Rev 2089 | Rev 4055 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
389 jermar 1
/*
2071 jermar 2
 * Copyright (c) 2005 Jakub Jermar
389 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
 
1888 jermar 29
/** @addtogroup ia64mm 
1702 cejka 30
 * @{
31
 */
32
/** @file
33
 */
34
 
1888 jermar 35
#ifndef KERN_ia64_TLB_H_
36
#define KERN_ia64_TLB_H_
389 jermar 37
 
569 jermar 38
#define tlb_arch_init()
39
#define tlb_print()
389 jermar 40
 
818 vana 41
#include <arch/mm/page.h>
42
#include <arch/mm/asid.h>
900 jermar 43
#include <arch/interrupt.h>
44
#include <arch/types.h>
818 vana 45
 
901 jermar 46
/** Data and instruction Translation Register indices. */
47
#define DTR_KERNEL  0
48
#define ITR_KERNEL  0
1138 jermar 49
#define DTR_KSTACK1 1
50
#define DTR_KSTACK2 2
818 vana 51
 
901 jermar 52
/** Portion of TLB insertion format data structure. */
53
union tlb_entry {
1780 jermar 54
    uint64_t word[2];
901 jermar 55
    struct {
56
        /* Word 0 */
57
        unsigned p : 1;         /**< Present. */
58
        unsigned : 1;
59
        unsigned ma : 3;        /**< Memory attribute. */
60
        unsigned a : 1;         /**< Accessed. */
61
        unsigned d : 1;         /**< Dirty. */
62
        unsigned pl : 2;        /**< Privilege level. */
63
        unsigned ar : 3;        /**< Access rights. */
64
        unsigned long long ppn : 38;    /**< Physical Page Number, a.k.a. PFN. */
65
        unsigned : 2;
66
        unsigned ed : 1;
67
        unsigned ig1 : 11;
68
 
69
        /* Word 1 */
70
        unsigned : 2;
71
        unsigned ps : 6;        /**< Page size will be 2^ps. */
72
        unsigned key : 24;      /**< Protection key, unused. */
73
        unsigned : 32;
74
    } __attribute__ ((packed));
75
} __attribute__ ((packed));
76
typedef union tlb_entry tlb_entry_t;
77
 
1780 jermar 78
extern void tc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtc);
79
extern void dtc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry);
80
extern void itc_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry);
901 jermar 81
 
1780 jermar 82
extern void tr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, bool dtr, index_t tr);
83
extern void dtr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr);
84
extern void itr_mapping_insert(uintptr_t va, asid_t asid, tlb_entry_t entry, index_t tr);
818 vana 85
 
1780 jermar 86
extern void dtlb_kernel_mapping_insert(uintptr_t page, uintptr_t frame, bool dtr, index_t tr);
87
extern void dtr_purge(uintptr_t page, count_t width);
901 jermar 88
 
902 jermar 89
extern void dtc_pte_copy(pte_t *t);
90
extern void itc_pte_copy(pte_t *t);
91
 
1780 jermar 92
extern void alternate_instruction_tlb_fault(uint64_t vector, istate_t *istate);
93
extern void alternate_data_tlb_fault(uint64_t vector, istate_t *istate);
94
extern void data_nested_tlb_fault(uint64_t vector, istate_t *istate);
95
extern void data_dirty_bit_fault(uint64_t vector, istate_t *istate);
96
extern void instruction_access_bit_fault(uint64_t vector, istate_t *istate);
97
extern void data_access_bit_fault(uint64_t vector, istate_t *istate);
98
extern void page_not_present(uint64_t vector, istate_t *istate);
818 vana 99
 
389 jermar 100
#endif
1702 cejka 101
 
1888 jermar 102
/** @}
1702 cejka 103
 */