Subversion Repositories HelenOS-historic

Rev

Rev 958 | Rev 1702 | Go to most recent revision | Details | Compare with Previous | Last modification | View Log | RSS feed

Rev Author Line No. Line
389 jermar 1
/*
2
 * Copyright (C) 2005 Jakub 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
 
29
#ifndef __ia64_TLB_H__
30
#define __ia64_TLB_H__
31
 
569 jermar 32
#define tlb_arch_init()
33
#define tlb_print()
389 jermar 34
 
818 vana 35
#include <arch/mm/page.h>
36
#include <arch/mm/asid.h>
900 jermar 37
#include <arch/interrupt.h>
38
#include <arch/types.h>
899 jermar 39
#include <typedefs.h>
818 vana 40
 
901 jermar 41
/** Data and instruction Translation Register indices. */
42
#define DTR_KERNEL  0
43
#define ITR_KERNEL  0
1138 jermar 44
#define DTR_KSTACK1 1
45
#define DTR_KSTACK2 2
818 vana 46
 
901 jermar 47
/** Portion of TLB insertion format data structure. */
48
union tlb_entry {
49
    __u64 word[2];
50
    struct {
51
        /* Word 0 */
52
        unsigned p : 1;         /**< Present. */
53
        unsigned : 1;
54
        unsigned ma : 3;        /**< Memory attribute. */
55
        unsigned a : 1;         /**< Accessed. */
56
        unsigned d : 1;         /**< Dirty. */
57
        unsigned pl : 2;        /**< Privilege level. */
58
        unsigned ar : 3;        /**< Access rights. */
59
        unsigned long long ppn : 38;    /**< Physical Page Number, a.k.a. PFN. */
60
        unsigned : 2;
61
        unsigned ed : 1;
62
        unsigned ig1 : 11;
63
 
64
        /* Word 1 */
65
        unsigned : 2;
66
        unsigned ps : 6;        /**< Page size will be 2^ps. */
67
        unsigned key : 24;      /**< Protection key, unused. */
68
        unsigned : 32;
69
    } __attribute__ ((packed));
70
} __attribute__ ((packed));
71
typedef union tlb_entry tlb_entry_t;
72
 
73
extern void tc_mapping_insert(__address va, asid_t asid, tlb_entry_t entry, bool dtc);
74
extern void dtc_mapping_insert(__address va, asid_t asid, tlb_entry_t entry);
75
extern void itc_mapping_insert(__address va, asid_t asid, tlb_entry_t entry);
76
 
899 jermar 77
extern void tr_mapping_insert(__address va, asid_t asid, tlb_entry_t entry, bool dtr, index_t tr);
78
extern void dtr_mapping_insert(__address va, asid_t asid, tlb_entry_t entry, index_t tr);
79
extern void itr_mapping_insert(__address va, asid_t asid, tlb_entry_t entry, index_t tr);
818 vana 80
 
902 jermar 81
extern void dtlb_kernel_mapping_insert(__address page, __address frame, bool dtr, index_t tr);
901 jermar 82
 
902 jermar 83
extern void dtc_pte_copy(pte_t *t);
84
extern void itc_pte_copy(pte_t *t);
85
 
958 jermar 86
extern void alternate_instruction_tlb_fault(__u64 vector, istate_t *istate);
87
extern void alternate_data_tlb_fault(__u64 vector, istate_t *istate);
88
extern void data_nested_tlb_fault(__u64 vector, istate_t *istate);
89
extern void data_dirty_bit_fault(__u64 vector, istate_t *istate);
90
extern void instruction_access_bit_fault(__u64 vector, istate_t *istate);
91
extern void data_access_bit_fault(__u64 vector, istate_t *istate);
92
extern void page_not_present(__u64 vector, istate_t *istate);
818 vana 93
 
389 jermar 94
#endif