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| Rev | Author | Line No. | Line |
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| 95 | cejka | 1 | /* |
| 2071 | jermar | 2 | * Copyright (c) 2005 Josef Cejka |
| 95 | cejka | 3 | * All rights reserved. |
| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that the following conditions |
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| 7 | * are met: |
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| 8 | * |
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| 9 | * - Redistributions of source code must retain the above copyright |
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| 10 | * notice, this list of conditions and the following disclaimer. |
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| 11 | * - Redistributions in binary form must reproduce the above copyright |
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| 12 | * notice, this list of conditions and the following disclaimer in the |
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| 13 | * documentation and/or other materials provided with the distribution. |
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| 14 | * - The name of the author may not be used to endorse or promote products |
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| 15 | * derived from this software without specific prior written permission. |
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| 16 | * |
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 27 | */ |
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| 28 | |||
| 1888 | jermar | 29 | /** @addtogroup ia32 |
| 1702 | cejka | 30 | * @{ |
| 31 | */ |
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| 32 | /** @file |
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| 33 | */ |
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| 34 | |||
| 1888 | jermar | 35 | #ifndef KERN_ia32_MEMMAP_H_ |
| 36 | #define KERN_ia32_MEMMAP_H_ |
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| 95 | cejka | 37 | |
| 506 | decky | 38 | /* E820h memory range types - other values*/ |
| 39 | /* Free memory */ |
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| 40 | #define MEMMAP_MEMORY_AVAILABLE 1 |
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| 41 | /* Not available for OS */ |
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| 42 | #define MEMMAP_MEMORY_RESERVED 2 |
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| 43 | /* OS may use it after reading ACPI table */ |
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| 44 | #define MEMMAP_MEMORY_ACPI 3 |
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| 45 | /* Unusable, required to be saved and restored across an NVS sleep */ |
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| 46 | #define MEMMAP_MEMORY_NVS 4 |
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| 47 | /* Corrupted memory */ |
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| 48 | #define MEMMAP_MEMORY_UNUSABLE 5 |
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| 95 | cejka | 49 | |
| 506 | decky | 50 | /* size of one entry */ |
| 51 | #define MEMMAP_E820_RECORD_SIZE 20 |
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| 52 | /* maximum entries */ |
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| 53 | #define MEMMAP_E820_MAX_RECORDS 32 |
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| 54 | |||
| 55 | |||
| 56 | #ifndef __ASM__ |
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| 57 | |||
| 139 | cejka | 58 | #include <arch/types.h> |
| 59 | |||
| 2089 | decky | 60 | typedef struct { |
| 1780 | jermar | 61 | uint64_t base_address; |
| 62 | uint64_t size; |
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| 63 | uint32_t type; |
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| 2089 | decky | 64 | } __attribute__ ((packed)) e820memmap_t; |
| 139 | cejka | 65 | |
| 2089 | decky | 66 | extern e820memmap_t e820table[MEMMAP_E820_MAX_RECORDS]; |
| 1780 | jermar | 67 | extern uint8_t e820counter; |
| 2089 | decky | 68 | extern uint32_t e801memorysize; /**< Size of available memory in KB. */ |
| 139 | cejka | 69 | |
| 99 | jermar | 70 | #endif |
| 506 | decky | 71 | |
| 72 | #endif |
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| 1702 | cejka | 73 | |
| 1888 | jermar | 74 | /** @} |
| 1702 | cejka | 75 | */ |