memory.h

T-kernel 的extension源代码

/*
 *----------------------------------------------------------------------
 *    T-Kernel / Standard Extension
 *
 *    Copyright (C) 2006 by Ken Sakamura. All rights reserved.
 *    T-Kernel / Standard Extension is distributed 
 *      under the T-License for T-Kernel / Standard Extension.
 *----------------------------------------------------------------------
 *
 *    Version:   1.00.00
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2006/8/11.
 *
 *----------------------------------------------------------------------
 */

/*
 *	memory.h (extension)
 *
 *	Memory management
 */

#ifndef __EXTENSION_MEMORY_H__
#define __EXTENSION_MEMORY_H__

#include <basic.h>
#include "typedef.h"

#ifdef __cplusplus
extern "C" {
#endif

/*
 * Memory attribute
 */
#define	M_COMMON	0x00000001U	/* Shared */
#define	M_SYSTEM	0x00000003U	/* System only */
#define	M_RESIDENT	0x00004000U	/* Resident */

/*
 * Memory state
 */
typedef struct m_state {
	INT	blksz;		/* Block size */
	INT	total;		/* Total number of blocks */
	INT	free;		/* Number of remaining blocks */
} M_STATE;

/*
 * Definitions for automatic generation of interface library (mkiflib)
 */
/*** DEFINE_IFLIB
[INCLUDE FILE]
<extension/memory.h>

[PREFIX]
MM
***/

/*
 * Memory management system call
 */
/* [BEGIN SYSCALLS] */
/* ALIGN_NO 0x101 */
IMPORT ER	tkse_get_mbk( VP *adr, INT nblk, UINT atr );
IMPORT ER	tkse_rel_mbk( VP adr );
IMPORT ER	tkse_mbk_sts( M_STATE *sts );
/* [END SYSCALLS] */

#ifdef __cplusplus
}
#endif
#endif /* __EXTENSION_MEMORY_H__ */