[nxt-jsp/etrobo-atk.git] / nxtOSEK / toppers_jsp / include / sil.h

/*
 *  TOPPERS/JSP Kernel
 *      Toyohashi Open Platform for Embedded Real-Time Systems/
 *      Just Standard Profile Kernel
 * 
 *  Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
 *                              Toyohashi Univ. of Technology, JAPAN
 *  Copyright (C) 2005,2006 by Embedded and Real-Time Systems Laboratory
 *              Graduate School of Information Science, Nagoya Univ., JAPAN
 * 
 *  ¾åµ­Ãøºî¸¢¼Ô¤Ï¡¤°Ê²¼¤Î (1)¡Á(4) ¤Î¾ò·ï¤«¡¤Free Software Foundation 
 *  ¤Ë¤è¤Ã¤Æ¸øɽ¤µ¤ì¤Æ¤¤¤ë GNU General Public License ¤Î Version 2 ¤Ëµ­
 *  ½Ò¤µ¤ì¤Æ¤¤¤ë¾ò·ï¤òËþ¤¿¤¹¾ì¹ç¤Ë¸Â¤ê¡¤ËÜ¥½¥Õ¥È¥¦¥§¥¢¡ÊËÜ¥½¥Õ¥È¥¦¥§¥¢
 *  ¤ò²þÊѤ·¤¿¤â¤Î¤ò´Þ¤à¡¥°Ê²¼Æ±¤¸¡Ë¤ò»ÈÍÑ¡¦Ê£À½¡¦²þÊÑ¡¦ºÆÇÛÉۡʰʲ¼¡¤
 *  ÍøÍѤȸƤ֡ˤ¹¤ë¤³¤È¤ò̵½þ¤ÇµöÂú¤¹¤ë¡¥
 *  (1) ËÜ¥½¥Õ¥È¥¦¥§¥¢¤ò¥½¡¼¥¹¥³¡¼¥É¤Î·Á¤ÇÍøÍѤ¹¤ë¾ì¹ç¤Ë¤Ï¡¤¾åµ­¤ÎÃøºî
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 *      ¥¹¥³¡¼¥ÉÃæ¤Ë´Þ¤Þ¤ì¤Æ¤¤¤ë¤³¤È¡¥
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 *      ¤Î̵Êݾڵ¬Äê¤ò·ÇºÜ¤¹¤ë¤³¤È¡¥
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 *      ÍѤǤ­¤Ê¤¤·Á¤ÇºÆÇÛÉÛ¤¹¤ë¾ì¹ç¤Ë¤Ï¡¤¼¡¤Î¤¤¤º¤ì¤«¤Î¾ò·ï¤òËþ¤¿¤¹¤³
 *      ¤È¡¥
 *    (a) ºÆÇÛÉÛ¤Ëȼ¤¦¥É¥­¥å¥á¥ó¥È¡ÊÍøÍѼԥޥ˥奢¥ë¤Ê¤É¡Ë¤Ë¡¤¾åµ­¤ÎÃø
 *        ºî¸¢É½¼¨¡¤¤³¤ÎÍøÍѾò·ï¤ª¤è¤Ó²¼µ­¤Î̵Êݾڵ¬Äê¤ò·ÇºÜ¤¹¤ë¤³¤È¡¥
 *    (b) ºÆÇÛÉۤηÁÂÖ¤ò¡¤Ê̤ËÄê¤á¤ëÊýË¡¤Ë¤è¤Ã¤Æ¡¤TOPPERS¥×¥í¥¸¥§¥¯¥È¤Ë
 *        Êó¹ð¤¹¤ë¤³¤È¡¥
 *  (4) ËÜ¥½¥Õ¥È¥¦¥§¥¢¤ÎÍøÍѤˤè¤êľÀÜŪ¤Þ¤¿¤Ï´ÖÀÜŪ¤ËÀ¸¤¸¤ë¤¤¤«¤Ê¤ë»
 *      ³²¤«¤é¤â¡¤¾åµ­Ãøºî¸¢¼Ô¤ª¤è¤ÓTOPPERS¥×¥í¥¸¥§¥¯¥È¤òÌÈÀÕ¤¹¤ë¤³¤È¡¥
 * 
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 *  ´Þ¤á¤Æ¡¤¤¤¤«¤Ê¤ëÊݾڤâ¹Ô¤ï¤Ê¤¤¡¥¤Þ¤¿¡¤ËÜ¥½¥Õ¥È¥¦¥§¥¢¤ÎÍøÍѤˤè¤êľ
 *  ÀÜŪ¤Þ¤¿¤Ï´ÖÀÜŪ¤ËÀ¸¤¸¤¿¤¤¤«¤Ê¤ë»³²¤Ë´Ø¤·¤Æ¤â¡¤¤½¤ÎÀÕǤ¤òÉé¤ï¤Ê¤¤¡¥
 * 
 *  @(#) $Id: sil.h,v 1.9 2006/02/12 05:27:25 hiro Exp $
 */

/*
 *      ¥·¥¹¥Æ¥à¥¤¥ó¥¿¥Õ¥§¡¼¥¹¥ì¥¤¥ä¡Ê¥¿¡¼¥²¥Ã¥È¶¦ÄÌÉô¡Ë
 *
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 *  ¥¤¥ë¤«¤é¤³¤Î¥Õ¥¡¥¤¥ë¤ò¥¤¥ó¥¯¥ë¡¼¥É¤¹¤ë»þ¤Ï¡¤_MACRO_ONLY ¤òÄêµÁ¤·¤Æ
 *  ¤ª¤¯¤³¤È¤Ç¡¤¥Þ¥¯¥íÄêµÁ°Ê³°¤Îµ­½Ò¤ò½ü¤¯¤³¤È¤¬¤Ç¤­¤ë¡¥
 *
 *  ¤³¤Î¥¤¥ó¥¯¥ë¡¼¥É¥Õ¥¡¥¤¥ë¤Ï¡¤É¸½à¥¤¥ó¥¯¥ë¡¼¥É¥Õ¥¡¥¤¥ë¡Ês_services.h¡Ë
 *  ¤Ç¥¤¥ó¥¯¥ë¡¼¥É¤µ¤ì¤ë¡¥¤Þ¤¿¡¤¥«¡¼¥Í¥ë¤«¤é¸Æ¤Ð¤ì¤ë¥Ç¥Ð¥¤¥¹¥É¥é¥¤¥Ð¤Î
 *  ¥¤¥ó¥¯¥ë¡¼¥É¥Õ¥¡¥¤¥ë¤Ç¡¤¥¤¥ó¥é¥¤¥ó´Ø¿ô¤Ê¤É¤Ç¥·¥¹¥Æ¥à¥¤¥ó¥¿¥Õ¥§¡¼¥¹
 *  ¥ì¥¤¥ä¤òÍѤ¤¤Æ¤¤¤ë¾ì¹ç¤Ë¤â¡¤¤³¤Î¥Õ¥¡¥¤¥ë¤¬¥¤¥ó¥¯¥ë¡¼¥É¤µ¤ì¤ë¡¥¤³¤Î
 *  Îã³°¤ò½ü¤¤¤Æ¡¤Â¾¤Î¥Õ¥¡¥¤¥ë¤«¤éľÀÜ¥¤¥ó¥¯¥ë¡¼¥É¤µ¤ì¤ë¤³¤È¤Ï¤Ê¤¤¡¥
 *
 *  ¤³¤ÎÃæ¤Ç¥¤¥ó¥¯¥ë¡¼¥É¤·¤Æ¤¤¤ë¥Õ¥¡¥¤¥ë¤ò½ü¤¤¤Æ¡¤Â¾¤Î¥¤¥ó¥¯¥ë¡¼¥É¥Õ¥¡
 *  ¥¤¥ë¤Ë°Í¸¤·¤Æ¤¤¤Ê¤¤¡¥
 */

#ifndef _SIL_H_
#define _SIL_H_

#ifdef __cplusplus
extern "C" {
#endif

/*
 *  ¥«¡¼¥Í¥ë¡¦¥¢¥×¥ê¥±¡¼¥·¥ç¥ó ¶¦ÄÌ¥¤¥ó¥¯¥ë¡¼¥É¥Õ¥¡¥¤¥ë
 */
#include <t_stddef.h>

/*
 *  ITRON»ÅÍͶ¦Ä̵¬Äê¤Î¥Ç¡¼¥¿·¿¡¦Äê¿ô¡¦¥Þ¥¯¥í
 */
#include <itron.h>

/*
 *  ¥·¥¹¥Æ¥à¤ä¥×¥í¥»¥Ã¥µ¤Ë°Í¸¤¹¤ëÄêµÁ
 */
#include <sys_defs.h>
#include <cpu_defs.h>

/*
 *  ¥·¥¹¥Æ¥à¥í¥°¥µ¡¼¥Ó¥¹¤Î¤¿¤á¤ÎÄêµÁ
 */
#include <t_syslog.h>

/*
 *  ¥¨¥ó¥Ç¥£¥¢¥óÄê¿ô¤ÎÄêµÁ
 */
#define SIL_ENDIAN_LITTLE       0       /* ¥ê¥È¥ë¥¨¥ó¥Ç¥£¥¢¥ó */
#define SIL_ENDIAN_BIG          1       /* ¥Ó¥Ã¥°¥¨¥ó¥Ç¥£¥¢¥ó */

#ifndef _MACRO_ONLY

/*
 *  ³ä¹þ¤ß¥í¥Ã¥¯¾õÂÖ¤ÎÀ©¸æ
 */
#ifndef SIL_PRE_LOC
#include <kernel.h>
#define SIL_PRE_LOC     BOOL _sil_loc_ = sns_loc()
#define SIL_LOC_INT()   ((void)(!(_sil_loc_) \
                                && (sns_ctx() ? iloc_cpu() : loc_cpu())))
#define SIL_UNL_INT()   ((void)(!(_sil_loc_) \
                                && (sns_ctx() ? iunl_cpu() : unl_cpu())))
#endif /* SIL_PRE_LOC */

/*
 *  Èù¾¯»þ´ÖÂÔ¤Á
 */
extern void     sil_dly_nse(UINT dlytim) throw();

/*
 *  ¥¨¥ó¥Ç¥£¥¢¥ó¤Îȿž
 */
#ifndef SIL_REV_ENDIAN_H
#define SIL_REV_ENDIAN_H(data) \
        ((VH)((((UH)(data) & 0xff) << 8) | (((UH)(data) >> 8) & 0xff)))
#endif /* SIL_REV_ENDIAN_H */

#ifndef SIL_REV_ENDIAN_W
#define SIL_REV_ENDIAN_W(data) \
        ((VW)((((UW)(data) & 0xff) << 24) | (((UW)(data) & 0xff00) << 8) \
                | (((UW)(data)>> 8) & 0xff00) | (((UW)(data) >> 24) & 0xff)))
#endif /* SIL_REV_ENDIAN_H */

/*
 *  ¥á¥â¥ê¶õ´Ö¥¢¥¯¥»¥¹´Ø¿ô
 */
#ifndef OMIT_SIL_ACCESS

/*
 *  8¥Ó¥Ã¥Èñ°Ì¤ÎÆɽФ·¡¿½ñ¹þ¤ß
 */
#ifdef _int8_

Inline VB
sil_reb_mem(VP mem)
{
        VB      data;

        data = *((volatile VB *) mem);
        return(data);
}

Inline void
sil_wrb_mem(VP mem, VB data)
{
        *((volatile VB *) mem) = data;
}

#endif /* _int8_ */

/*
 *  16¥Ó¥Ã¥Èñ°Ì¤ÎÆɽФ·¡¿½ñ¹þ¤ß
 */
#ifdef _int16_

Inline VH
sil_reh_mem(VP mem)
{
        VH      data;

        data = *((volatile VH *) mem);
        return(data);
}

Inline void
sil_wrh_mem(VP mem, VH data)
{
        *((volatile VH *) mem) = data;
}

#if SIL_ENDIAN == SIL_ENDIAN_BIG        /* ¥Ó¥Ã¥°¥¨¥ó¥Ç¥£¥¢¥ó¥×¥í¥»¥Ã¥µ */

#define sil_reh_bem(mem)        sil_reh_mem(mem)
#define sil_wrh_bem(mem, data)  sil_wrh_mem(mem, data)

#ifndef OMIT_SIL_REH_LEM

Inline VH
sil_reh_lem(VP mem)
{
        VH      data;

        data = *((volatile VH *) mem);
        return(SIL_REV_ENDIAN_H(data));
}

#endif /* OMIT_SIL_REH_LEM */
#ifndef OMIT_SIL_WRH_LEM

Inline void
sil_wrh_lem(VP mem, VH data)
{
        *((volatile VH *) mem) = SIL_REV_ENDIAN_H(data);
}

#endif /* OMIT_SIL_WRH_LEM */
#else /* SIL_ENDIAN == SIL_ENDIAN_BIG *//* ¥ê¥È¥ë¥¨¥ó¥Ç¥£¥¢¥ó¥×¥í¥»¥Ã¥µ */

#define sil_reh_lem(mem)        sil_reh_mem(mem)
#define sil_wrh_lem(mem, data)  sil_wrh_mem(mem, data)

#ifndef OMIT_SIL_REH_BEM

Inline VH
sil_reh_bem(VP mem)
{
        VH      data;

        data = *((volatile VH *) mem);
        return(SIL_REV_ENDIAN_H(data));
}

#endif /* OMIT_SIL_REH_BEM */
#ifndef OMIT_SIL_WRH_BEM

Inline void
sil_wrh_bem(VP mem, VH data)
{
        *((volatile VH *) mem) = SIL_REV_ENDIAN_H(data);
}

#endif /* OMIT_SIL_WRH_BEM */
#endif /* SIL_ENDIAN == SIL_ENDIAN_BIG */
#endif /* _int16_ */

/*
 *  32¥Ó¥Ã¥Èñ°Ì¤ÎÆɽФ·¡¿½ñ¹þ¤ß
 */

Inline VW
sil_rew_mem(VP mem)
{
        VW      data;

        data = *((volatile VW *) mem);
        return(data);
}

Inline void
sil_wrw_mem(VP mem, VW data)
{
        *((volatile VW *) mem) = data;
}

#if SIL_ENDIAN == SIL_ENDIAN_BIG        /* ¥Ó¥Ã¥°¥¨¥ó¥Ç¥£¥¢¥ó¥×¥í¥»¥Ã¥µ */

#define sil_rew_bem(mem)        sil_rew_mem(mem)
#define sil_wrw_bem(mem, data)  sil_wrw_mem(mem, data)

#ifndef OMIT_SIL_REW_LEM

Inline VW
sil_rew_lem(VP mem)
{
        VW      data;

        data = *((volatile VW *) mem);
        return(SIL_REV_ENDIAN_W(data));
}

#endif /* OMIT_SIL_REW_LEM */
#ifndef OMIT_SIL_WRW_LEM

Inline void
sil_wrw_lem(VP mem, VW data)
{
        *((volatile VW *) mem) = SIL_REV_ENDIAN_W(data);
}

#endif /* OMIT_SIL_WRW_LEM */
#else /* SIL_ENDIAN == SIL_ENDIAN_BIG *//* ¥ê¥È¥ë¥¨¥ó¥Ç¥£¥¢¥ó¥×¥í¥»¥Ã¥µ */

#define sil_rew_lem(mem)        sil_rew_mem(mem)
#define sil_wrw_lem(mem, data)  sil_wrw_mem(mem, data)

#ifndef OMIT_SIL_REW_BEM

Inline VW
sil_rew_bem(VP mem)
{
        VW      data;

        data = *((volatile VW *) mem);
        return(SIL_REV_ENDIAN_W(data));
}

#endif /* OMIT_SIL_REW_BEM */
#ifndef OMIT_SIL_WRW_BEM

Inline void
sil_wrw_bem(VP mem, VW data)
{
        *((volatile VW *) mem) = SIL_REV_ENDIAN_W(data);
}

#endif /* OMIT_SIL_WRW_BEM */
#endif /* SIL_ENDIAN == SIL_ENDIAN_BIG */
#endif /* OMIT_SIL_ACCESS */

#endif /* _MACRO_ONLY */

#ifdef __cplusplus
}
#endif

#endif /* _SIL_H_ */