49 строки
1.1 KiB
C
49 строки
1.1 KiB
C
/*
|
|
* 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__ */
|