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