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1 | /* |
1 | /* |
2 | * Copyright (c) 2003-2007 Jakub Jermar |
2 | * Copyright (c) 2003-2007 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 arm32 |
29 | /** @addtogroup arm32 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_arm32_TYPES_H_ |
35 | #ifndef KERN_arm32_TYPES_H_ |
36 | #define KERN_arm32_TYPES_H_ |
36 | #define KERN_arm32_TYPES_H_ |
37 | 37 | ||
38 | #define NULL 0 |
38 | #define NULL 0 |
39 | #define false 0 |
39 | #define false 0 |
40 | #define true 1 |
40 | #define true 1 |
41 | 41 | ||
42 | typedef signed char int8_t; |
42 | typedef signed char int8_t; |
43 | typedef signed short int16_t; |
43 | typedef signed short int16_t; |
44 | typedef signed long int32_t; |
44 | typedef signed long int32_t; |
45 | typedef signed long long int64_t; |
45 | typedef signed long long int64_t; |
46 | 46 | ||
47 | typedef unsigned char uint8_t; |
47 | typedef unsigned char uint8_t; |
48 | typedef unsigned short uint16_t; |
48 | typedef unsigned short uint16_t; |
49 | typedef unsigned long uint32_t; |
49 | typedef unsigned long uint32_t; |
50 | typedef unsigned long long uint64_t; |
50 | typedef unsigned long long uint64_t; |
51 | 51 | ||
52 | typedef uint32_t size_t; |
52 | typedef uint32_t size_t; |
53 | typedef uint32_t count_t; |
53 | typedef uint32_t count_t; |
54 | typedef uint32_t index_t; |
54 | typedef uint32_t index_t; |
55 | 55 | ||
56 | typedef uint32_t uintptr_t; |
56 | typedef uint32_t uintptr_t; |
57 | typedef uint32_t pfn_t; |
57 | typedef uint32_t pfn_t; |
58 | 58 | ||
59 | typedef uint32_t ipl_t; |
59 | typedef uint32_t ipl_t; |
60 | 60 | ||
61 | typedef uint32_t unative_t; |
61 | typedef uint32_t unative_t; |
62 | typedef int32_t native_t; |
62 | typedef int32_t native_t; |
63 | 63 | ||
64 | typedef uint8_t bool; |
64 | typedef uint8_t bool; |
65 | typedef uint64_t task_id_t; |
65 | typedef uint64_t task_id_t; |
66 | typedef uint32_t context_id_t; |
66 | typedef uint32_t context_id_t; |
67 | 67 | ||
68 | typedef int32_t inr_t; |
68 | typedef int32_t inr_t; |
69 | typedef int32_t devno_t; |
69 | typedef int32_t devno_t; |
70 | 70 | ||
71 | /** Page Table Entry. */ |
71 | /** Page Table Entry. */ |
72 | typedef struct { |
72 | typedef struct { |
- | 73 | /**PageTables are so different that we have different types |
|
- | 74 | * for level 0 and level1 page table entries |
|
- | 75 | */ |
|
73 | /* placeholder */ |
76 | unsigned dummy : 32; |
74 | } pte_t; |
77 | } pte_t; |
75 | 78 | ||
- | 79 | typedef struct { |
|
- | 80 | unsigned destriptor_type : 2; |
|
- | 81 | unsigned machine_depend : 3; // Alf: ???? v Architecture previev neni vyznam definovan |
|
- | 82 | unsigned domain : 4; |
|
- | 83 | unsigned should_be_zero : 1: |
|
- | 84 | unsigned coarse_table_addr : 22; |
|
- | 85 | } __attribute__ ((packed)) pte_level0_t; |
|
- | 86 | ||
- | 87 | //TODO Alf: Comments |
|
- | 88 | typedef struct { |
|
- | 89 | unsigned destriptor_type : 2; |
|
- | 90 | unsigned bufferable : 1; |
|
- | 91 | unsigned cacheable : 1; |
|
- | 92 | unsigned access_permission_0 : 2; |
|
- | 93 | unsigned access_permission_1 : 2; |
|
- | 94 | unsigned access_permission_2 : 2; |
|
- | 95 | unsigned access_permission_3 : 2; |
|
- | 96 | unsigned frame_base_addr : 20; |
|
- | 97 | } __attribute__ ((packed)) pte__level1_t; |
|
- | 98 | ||
- | 99 | /// Page table level 1 access permission constants |
|
- | 100 | /// User no acess, kernel no access |
|
- | 101 | #define pte_ap_user_no_kernel_no 0 |
|
- | 102 | /// User no acess, kernel read/write |
|
- | 103 | #define pte_ap_user_no_kernel_rw 1 |
|
- | 104 | /// User read only, kernel read/write |
|
- | 105 | #define pte_ap_user_ro_kernel_rw 2 |
|
- | 106 | /// User read/write, kernel read/write |
|
- | 107 | #define pte_ap_user_rw_kernel_rw 2 |
|
- | 108 | ||
- | 109 | /// Value of descriptor_type in pte_level0_t and pte_level1_t that signal not present flag |
|
- | 110 | #define pte_descriptor_not_preset 0 |
|
- | 111 | /// Value of descriptor_type in pte_level0_t that signal a coarse page table format |
|
- | 112 | #define pte_descriptor_coarse_table 1 |
|
- | 113 | /// Value of descriptor_type in pte_level1_t that signal a small page table entry format |
|
- | 114 | #define pte_descriptor_small_page 2 |
|
- | 115 | ||
76 | #endif |
116 | #endif |
77 | 117 | ||
78 | /** @} |
118 | /** @} |
79 | */ |
119 | */ |
80 | 120 |