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/* ----------------------------------------------------------------------- *
*
* Copyright 2009 Pierre-Alexandre Meyer
*
* Some parts borrowed from meminfo.c32:
*
* Copyright 2003-2009 H. Peter Anvin - All Rights Reserved
* Copyright 2009 Intel Corporation; author: H. Peter Anvin
*
* Some parts borrowed from Linux:
*
* Copyright (C) 1991, 1992 Linus Torvalds
* Copyright 2007 rPath, Inc. - All Rights Reserved
* Copyright 2009 Intel Corporation; author H. Peter Anvin
*
* This file is part of Syslinux, and is made available under
* the terms of the GNU General Public License version 2.
*
* ----------------------------------------------------------------------- */
#ifndef _MEMORY_H_
#define _MEMORY_H_
#include <stdint.h>
#define E820MAX 128
#define E820_RAM 1
#define E820_RESERVED 2
#define E820_ACPI 3 /* usable as RAM once ACPI tables have been read */
#define E820_NVS 4
#define RES_START 0xa0000
#define RES_END 0x100000
struct e820entry {
uint64_t addr; /* start of memory segment */
uint64_t size; /* size of memory segment */
uint64_t type; /* type of memory segment */
} __attribute__ ((packed));
const char *const e820_types[5];
void get_type(int, char *, int);
void detect_memory_e820(struct e820entry *desc, int size_map, int *size_found);
int detect_memory_e801(int *, int *);
int detect_memory_88(int *);
/* The following stuff could be merge once the addr_t will be set to 64bits.
* syslinux_scan_memory can be used for that purpose */
unsigned long memsize_e820(struct e820entry *e820, int e820_nr);
int sanitize_e820_map(struct e820entry *orig_map, struct e820entry *new_bios,
short old_nr);
unsigned long detect_memsize(void);
#endif
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