e820.h

Windows上的精简Linux系统

#ident "$Id: e820.h,v 1.3 2001/12/11 01:20:33 hpa Exp $"
/* ----------------------------------------------------------------------- *
 *   
 *   Copyright 2001 H. Peter Anvin - All Rights Reserved
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, Inc., 53 Temple Place Ste 330,
 *   Bostom MA 02111-1307, USA; either version 2 of the License, or
 *   (at your option) any later version; incorporated herein by reference.
 *
 * ----------------------------------------------------------------------- */

/*
 * e820.h
 *
 * Common routines for e820 memory map management
 */

#include <stdint.h>

struct e820range {
  uint64_t start;
  uint32_t type;
} __attribute__((packed));

extern struct e820range ranges[];
extern int nranges;
extern uint32_t dos_mem, low_mem, high_mem;

extern void e820map_init(void);
extern void insertrange(uint64_t, uint64_t, uint32_t);
extern void get_mem(void);
extern void parse_mem(void);