114 lines
3.3 KiB
C
114 lines
3.3 KiB
C
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/*
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//////////////////////////////////////////////////////////////////////////////////
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// __________ __ ___. //
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// Open \______ \ ____ ____ | | _\_ |__ _______ ___ //
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// Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ / //
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// Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < < //
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// Software |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \ //
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// \/ \/ \/ \/ \/ //
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//////////////////////////////////////////////////////////////////////////////////
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//
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// $Id$
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//
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/////////////////////////////////////
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// Copyright (C) 2002 by Alan Korr //
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/////////////////////////////////////
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//
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// All files in this archive are subject to the GNU General Public License.
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// See the file COPYING in the source tree root for full license agreement.
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//
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// This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND,
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// either express or implied.
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//
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//////////////////////////////////////////////////////////////////////////////////
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*/
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#ifndef __MEMORY_H__
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#define __MEMORY_H__
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enum
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{
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MEMORY_RETURN_SUCCESS = 1,
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MEMORY_RETURN_FAILURE = 0
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};
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/*
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/////////////////////////////////////////////////////////////////////
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// MEMORY PAGE //
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/////////////////
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//
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//
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*/
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#define MEMORY_PAGE_MINIMAL_ORDER ( 9) /* 512 bytes by default */
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#define MEMORY_PAGE_MAXIMAL_ORDER (21) /* 2 Mbytes by default */
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#define MEMORY_PAGE_MINIMAL_SIZE (1 << MEMORY_PAGE_MINIMAL_ORDER)
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#define MEMORY_PAGE_MAXIMAL_SIZE (1 << MEMORY_PAGE_MAXIMAL_ORDER)
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#define MEMORY_TOTAL_PAGES (MEMORY_PAGE_MAXIMAL_SIZE / MEMORY_PAGE_MINIMAL_SIZE)
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#define MEMORY_TOTAL_ORDERS (1 + MEMORY_PAGE_MAXIMAL_ORDER - MEMORY_PAGE_MINIMAL_ORDER)
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extern void *memory_page_allocate (int order);
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extern int memory_page_release (void *address);
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extern void memory_page_release_range (unsigned int start,unsigned int end);
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/*
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//
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/////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////
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// MEMORY CACHE //
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//////////////////
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//
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//
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*/
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struct memory_cache;
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extern struct memory_cache *memory_cache_create (unsigned int size,int align);
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extern int memory_cache_destroy (struct memory_cache *cache);
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extern void *memory_cache_allocate (struct memory_cache *cache);
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extern int memory_cache_release (struct memory_cache *cache,void *address);
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/*
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//
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//
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/////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////
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// MEMORY BLOCK //
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//////////////////
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//
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//
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*/
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extern void *memory_block_allocate (int order);
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extern int memory_block_release (int order,void *address);
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/*
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//
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//
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/////////////////////////////////////////////////////////////////////
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/////////////////////////////////////////////////////////////////////
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// MEMORY //
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////////////
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//
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//
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*/
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#define MEMORY_TOTAL_BYTES (MEMORY_PAGE_MAXIMAL_SIZE)
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extern void memory_copy (void *target,void const *source,unsigned int count);
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extern void memory_set (void *target,int byte,unsigned int count);
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extern void memory_setup (void);
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/*
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//
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//
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/////////////////////////////////////////////////////////////////////
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*/
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#endif
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