Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/*

 *    Copyright (c) 1996 Paul Mackerras <paulus@cs.anu.edu.au>

 *      Changes to accommodate Power Macintoshes.

 *    Cort Dougan <cort@cs.nmt.edu>

 *      Rewrites.

 *    Grant Erickson <grant@lcse.umn.edu>

 *      General rework and split from mm/init.c.

 *

 *    Module name: mem_pieces.h

 *

 *    Description:

 *      Routines and data structures for manipulating and representing

 *      phyiscal memory extents (i.e. address/length pairs).

 *

 */

#ifndef __MEM_PIECES_H__

#define __MEM_PIECES_H__

#include <asm/prom.h>

#ifdef __cplusplus

extern "C" {

#endif

/* Type Definitions */

#define MEM_PIECES_MAX  32

struct mem_pieces {

    int n_regions;

    struct reg_property regions[MEM_PIECES_MAX];

};

/* Function Prototypes */

extern void     *mem_pieces_find(unsigned int size, unsigned int align);

extern void      mem_pieces_remove(struct mem_pieces *mp, unsigned int start,

                                   unsigned int size, int must_exist);

extern void      mem_pieces_coalesce(struct mem_pieces *mp);

extern void      mem_pieces_sort(struct mem_pieces *mp);

#ifdef __cplusplus

}

#endif

#endif /* __MEM_PIECES_H__ */