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/*
* BK Id: SCCS/s.mem_pieces.h 1.5 05/17/01 18:14:23 cort
*/
/*
* Copyright (c) 1996 Paul Mackerras <paulus@cs.anu.edu.au>
* Changes to accomodate 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_append(struct mem_pieces *mp, unsigned int start,
unsigned int size);
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__ */
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