/*******************************************************************************
* Copyright (C) 2009 Vasiliy Kosenko *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* This program is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with this program; if not, write to the Free Software *
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. *
*******************************************************************************/
#ifndef _HEAP_H_
#define _HEAP_H_
#include "defs.h"
#define PAGE_SIZE 0x1000
typedef struct MemBlock {
struct MemBlock *next;
struct MemBlock *previos;
unsigned long nblocks;
unsigned long align;
} MemBlock;
typedef struct Heap {
struct MemBlock *free;
struct MemBlock *allocated;
void *(*alloc)(struct Heap *heap, int nbytes);
} Heap;
void *halMemAlloc(Heap *wheap, unsigned long n);
void halMemFree(Heap *wheap, void *addr);
MemBlock *halMemBlockAdd(MemBlock *heap, MemBlock *unit, bool optimize);
MemBlock *halMemBlockRemove(MemBlock *unit);
void halMemHeapInit(Heap *wheap, void *(*alloc)(Heap *heap, int nbytes), void *st_addr, int size);
#endif