segment_depend.h

日本著名的的嵌入式实时操作系统T-Kernel的源码及用户手册。

/*
 *----------------------------------------------------------------------
 *    T-Kernel
 *
 *    Copyright (C) 2004 by Ken Sakamura. All rights reserved.
 *    T-Kernel is distributed under the T-License.
 *----------------------------------------------------------------------
 *
 *    Version:   1.01.00
 *    Released by T-Engine Forum(http://www.t-engine.org) at 2004/6/28.
 *
 *----------------------------------------------------------------------
 */

/*
 *	@(#)segment_depend.h (sys/M32104)
 *
 *	Segment management system dependent definitions (M32104)
 */

#ifndef __SYS_SEGMENT_DEPEND_H__
#define __SYS_SEGMENT_DEPEND_H__

#ifdef __cplusplus
extern "C" {
#endif

/* Access level definition */
typedef enum {
	MapUser		= 0x08,
	MapSystem	= 0x00,
	MapRead		= 0x01,
	MapWrite	= 0x02,
	MapExecute	= 0x04
} MapModeLevel;

/*
 * MapMemory() attributes 
 */
#define	MM_USER		0x08	/* User */
#define	MM_SYSTEM	0x00	/* System */
#define	MM_READ		0x01	/* Read */
#define	MM_WRITE	0x02	/* Write */
#define	MM_EXECUTE	0x04	/* Execute */
#define	MM_CDIS		0x10	/* Cache disabled */

#ifdef __cplusplus
}
#endif
#endif /* __SYS_SEGMENT_DEPEND_H__ */