memmap.h

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#ifndef _GPXE_MEMMAP_H
#define _GPXE_MEMMAP_H

#include <stdint.h>

/**
 * @file
 *
 * Memory mapping
 *
 */

FILE_LICENCE ( GPL2_OR_LATER );

/** A usable memory region */
struct memory_region {
        /** Physical start address */
        uint64_t start;
        /** Physical end address */
        uint64_t end;
};

/** Maximum number of memory regions we expect to encounter */
#define MAX_MEMORY_REGIONS 8

/** A memory map */
struct memory_map {
        /** Memory regions */
        struct memory_region regions[MAX_MEMORY_REGIONS];
        /** Number of used regions */
        unsigned int count;
};

extern void get_memmap ( struct memory_map *memmap );

#endif /* _GPXE_MEMMAP_H */