mem_pieces.h
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上传日期:2013-04-10
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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__ */