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/*
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 * Copyright (c) 2005 Josef Cejka
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup ia32
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 * @{
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 */
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/** @file
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 */
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#ifndef KERN_ia32_MEMMAP_H_
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#define KERN_ia32_MEMMAP_H_
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/* E820h memory range types */
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/* Free memory */
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#define MEMMAP_MEMORY_AVAILABLE  1
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/* Not available for OS */
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#define MEMMAP_MEMORY_RESERVED   2
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/* OS may use it after reading ACPI table */
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#define MEMMAP_MEMORY_ACPI       3
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/* Unusable, required to be saved and restored across an NVS sleep */
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#define MEMMAP_MEMORY_NVS        4
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/* Corrupted memory */
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#define MEMMAP_MEMORY_UNUSABLE   5
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/* Size of one entry */
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#define MEMMAP_E820_RECORD_SIZE  20
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/* Maximum entries */
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#define MEMMAP_E820_MAX_RECORDS  32
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#ifndef __ASM__
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#include <arch/types.h>
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typedef struct {
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    uint64_t base_address;
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    uint64_t size;
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    uint32_t type;
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} __attribute__ ((packed)) e820memmap_t;
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extern e820memmap_t e820table[MEMMAP_E820_MAX_RECORDS];
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extern uint8_t e820counter;
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#endif
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#endif
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/** @}
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 */