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