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1 | /* |
1 | /* |
2 | * Copyright (c) 2005 Josef Cejka |
2 | * Copyright (c) 2005 Josef Cejka |
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 ia32 |
29 | /** @addtogroup ia32 |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_ia32_MEMMAP_H_ |
35 | #ifndef KERN_ia32_MEMMAP_H_ |
36 | #define KERN_ia32_MEMMAP_H_ |
36 | #define KERN_ia32_MEMMAP_H_ |
37 | 37 | ||
38 | /* E820h memory range types - other values*/ |
38 | /* E820h memory range types */ |
39 | /* Free memory */ |
- | |
40 | #define MEMMAP_MEMORY_AVAILABLE 1 |
- | |
41 | /* Not available for OS */ |
- | |
42 | #define MEMMAP_MEMORY_RESERVED 2 |
- | |
43 | /* OS may use it after reading ACPI table */ |
- | |
44 | #define MEMMAP_MEMORY_ACPI 3 |
- | |
45 | /* Unusable, required to be saved and restored across an NVS sleep */ |
- | |
46 | #define MEMMAP_MEMORY_NVS 4 |
- | |
47 | /* Corrupted memory */ |
- | |
48 | #define MEMMAP_MEMORY_UNUSABLE 5 |
- | |
49 | - | ||
50 | /* size of one entry */ |
- | |
51 | #define MEMMAP_E820_RECORD_SIZE 20 |
- | |
52 | /* maximum entries */ |
- | |
53 | #define MEMMAP_E820_MAX_RECORDS 32 |
- | |
54 | 39 | ||
- | 40 | /* Free memory */ |
|
- | 41 | #define MEMMAP_MEMORY_AVAILABLE 1 |
|
- | 42 | ||
- | 43 | /* Not available for OS */ |
|
- | 44 | #define MEMMAP_MEMORY_RESERVED 2 |
|
- | 45 | ||
- | 46 | /* OS may use it after reading ACPI table */ |
|
- | 47 | #define MEMMAP_MEMORY_ACPI 3 |
|
- | 48 | ||
- | 49 | /* Unusable, required to be saved and restored across an NVS sleep */ |
|
- | 50 | #define MEMMAP_MEMORY_NVS 4 |
|
- | 51 | ||
- | 52 | /* Corrupted memory */ |
|
- | 53 | #define MEMMAP_MEMORY_UNUSABLE 5 |
|
- | 54 | ||
- | 55 | /* Size of one entry */ |
|
- | 56 | #define MEMMAP_E820_RECORD_SIZE 20 |
|
- | 57 | ||
- | 58 | /* Maximum entries */ |
|
- | 59 | #define MEMMAP_E820_MAX_RECORDS 32 |
|
55 | 60 | ||
56 | #ifndef __ASM__ |
61 | #ifndef __ASM__ |
57 | 62 | ||
58 | #include <arch/types.h> |
63 | #include <arch/types.h> |
59 | 64 | ||
60 | typedef struct { |
65 | typedef struct { |
61 | uint64_t base_address; |
66 | uint64_t base_address; |
62 | uint64_t size; |
67 | uint64_t size; |
63 | uint32_t type; |
68 | uint32_t type; |
64 | } __attribute__ ((packed)) e820memmap_t; |
69 | } __attribute__ ((packed)) e820memmap_t; |
65 | 70 | ||
66 | extern e820memmap_t e820table[MEMMAP_E820_MAX_RECORDS]; |
71 | extern e820memmap_t e820table[MEMMAP_E820_MAX_RECORDS]; |
67 | extern uint8_t e820counter; |
72 | extern uint8_t e820counter; |
68 | 73 | ||
69 | #endif |
74 | #endif |
70 | 75 | ||
71 | #endif |
76 | #endif |
72 | 77 | ||
73 | /** @} |
78 | /** @} |
74 | */ |
79 | */ |
75 | 80 |