source: include/sil.h

/*
 *  TOPPERS Software
 *      Toyohashi Open Platform for Embedded Real-Time Systems
 * 
 *  Copyright (C) 2000-2003 by Embedded and Real-Time Systems Laboratory
 *                              Toyohashi Univ. of Technology, JAPAN
 *  Copyright (C) 2004-2011 by Embedded and Real-Time Systems Laboratory
 *              Graduate School of Information Science, Nagoya Univ., JAPAN
 * 
 *  Ÿåµ­Ãøºîž¢ŒÔ€Ï¡€°Ê²Œ€Î(1)¡Á(4)€ÎŸò·ï€òËþ€¿€¹Ÿì¹ç€ËžÂ€ê¡€ËÜ¥œ¥Õ¥È¥Š¥§
 *  ¥¢¡ÊËÜ¥œ¥Õ¥È¥Š¥§¥¢€ò²þÊÑ€·€¿€â€Î€òŽÞ€à¡¥°Ê²ŒÆ±€ž¡Ë€ò»ÈÍÑ¡ŠÊ£Àœ¡Š²þ
 *  ÊÑ¡ŠºÆÇÛÉۡʰʲŒ¡€ÍøÍрȞƀ֡ˀ¹€ë€³€È€ò̵œþ€ÇµöÂú€¹€ë¡¥
 *  (1) ËÜ¥œ¥Õ¥È¥Š¥§¥¢€ò¥œ¡Œ¥¹¥³¡Œ¥É€Î·Á€ÇÍøÍÑ€¹€ëŸì¹ç€Ë€Ï¡€Ÿåµ­€ÎÃøºî
 *      ž¢ÉœŒš¡€€³€ÎÍøÍÑŸò·ï€ª€è€Ó²Œµ­€Î̵ÊÝŸÚµ¬Äꀬ¡€€œ€Î€Þ€Þ€Î·Á€Ç¥œ¡Œ
 *      ¥¹¥³¡Œ¥ÉÃæ€ËŽÞ€Þ€ì€Æ€€€ë€³€È¡¥
 *  (2) ËÜ¥œ¥Õ¥È¥Š¥§¥¢€ò¡€¥é¥€¥Ö¥é¥ê·ÁŒ°€Ê€É¡€ÂŸ€Î¥œ¥Õ¥È¥Š¥§¥¢³«È¯€Ë»È
 *      Íрǀ­€ë·Á€ÇºÆÇÛÉÛ€¹€ëŸì¹ç€Ë€Ï¡€ºÆÇÛÉÛ€ËÈŒ€Š¥É¥­¥å¥á¥ó¥È¡ÊÍøÍÑ
 *      ŒÔ¥Þ¥Ë¥å¥¢¥ë€Ê€É¡Ë€Ë¡€Ÿåµ­€ÎÃøºîž¢ÉœŒš¡€€³€ÎÍøÍÑŸò·ï€ª€è€Ó²Œµ­
 *      €Î̵ÊÝŸÚµ¬Äê€ò·ÇºÜ€¹€ë€³€È¡¥
 *  (3) ËÜ¥œ¥Õ¥È¥Š¥§¥¢€ò¡€µ¡Žï€ËÁȀ߹þ€à€Ê€É¡€ÂŸ€Î¥œ¥Õ¥È¥Š¥§¥¢³«È¯€Ë»È
 *      Íрǀ­€Ê€€·Á€ÇºÆÇÛÉÛ€¹€ëŸì¹ç€Ë€Ï¡€Œ¡€Î€€€º€ì€«€ÎŸò·ï€òËþ€¿€¹€³
 *      €È¡¥
 *    (a) ºÆÇÛÉÛ€ËÈŒ€Š¥É¥­¥å¥á¥ó¥È¡ÊÍøÍьԥޥ˥奢¥ë€Ê€É¡Ë€Ë¡€Ÿåµ­€ÎÃø
 *        ºîž¢ÉœŒš¡€€³€ÎÍøÍÑŸò·ï€ª€è€Ó²Œµ­€Î̵ÊÝŸÚµ¬Äê€ò·ÇºÜ€¹€ë€³€È¡¥
 *    (b) ºÆÇÛÉۀηÁÂÖ€ò¡€ÊÌ€ËÄê€á€ëÊýË¡€Ë€è€Ã€Æ¡€TOPPERS¥×¥í¥ž¥§¥¯¥È€Ë
 *        Êó¹ð€¹€ë€³€È¡¥
 *  (4) ËÜ¥œ¥Õ¥È¥Š¥§¥¢€ÎÍøÍрˀè€êÄŸÀÜŪ€Þ€¿€ÏŽÖÀÜŪ€ËÀž€ž€ë€€€«€Ê€ë»
 *      ³²€«€é€â¡€Ÿåµ­Ãøºîž¢ŒÔ€ª€è€ÓTOPPERS¥×¥í¥ž¥§¥¯¥È€òÌÈÀÕ€¹€ë€³€È¡¥
 *      €Þ€¿¡€ËÜ¥œ¥Õ¥È¥Š¥§¥¢€Î¥æ¡Œ¥¶€Þ€¿€Ï¥š¥ó¥É¥æ¡Œ¥¶€«€é€Î€€€«€Ê€ëÍý
 *      ͳ€ËŽð€Å€¯ÀÁµá€«€é€â¡€Ÿåµ­Ãøºîž¢ŒÔ€ª€è€ÓTOPPERS¥×¥í¥ž¥§¥¯¥È€ò
 *      ÌÈÀÕ€¹€ë€³€È¡¥
 * 
 *  ËÜ¥œ¥Õ¥È¥Š¥§¥¢€Ï¡€ÌµÊÝŸÚ€ÇÄ󶡀µ€ì€Æ€€€ë€â€Î€Ç€¢€ë¡¥Ÿåµ­Ãøºîž¢ŒÔ€ª
 *  €è€ÓTOPPERS¥×¥í¥ž¥§¥¯¥È€Ï¡€ËÜ¥œ¥Õ¥È¥Š¥§¥¢€ËŽØ€·€Æ¡€ÆÃÄê€Î»ÈÍÑÌÜŪ
 *  €ËÂЀ¹€ëŬ¹çÀ­€âŽÞ€á€Æ¡€€€€«€Ê€ëÊÝŸÚ€â¹Ô€ï€Ê€€¡¥€Þ€¿¡€ËÜ¥œ¥Õ¥È¥Š¥§
 *  ¥¢€ÎÍøÍрˀè€êÄŸÀÜŪ€Þ€¿€ÏŽÖÀÜŪ€ËÀž€ž€¿€€€«€Ê€ë»³²€ËŽØ€·€Æ€â¡€€œ
 *  €ÎÀÕÇ€€òÉé€ï€Ê€€¡¥
 * 
 *  @(#) $Id$
 */

/*
 *              ¥·¥¹¥Æ¥à¥€¥ó¥¿¥Õ¥§¡Œ¥¹¥ì¥€¥ä
 *
 *  ¥·¥¹¥Æ¥à¥€¥ó¥¿¥Õ¥§¡Œ¥¹¥ì¥€¥ä€Î¥µ¡Œ¥Ó¥¹¥³¡Œ¥ë€ÎÄêµÁ¡ŠÀëžÀ€È¥Þ¥¯¥í€Ê
 *  €É€ÎÄêµÁ€òŽÞ€à¥Ø¥Ã¥À¥Õ¥¡¥€¥ë¡¥
 *
 *  ¥¢¥»¥ó¥Ö¥êžÀžì€Î¥œ¡Œ¥¹¥Õ¥¡¥€¥ë€«€é€³€Î¥Õ¥¡¥€¥ë€ò¥€¥ó¥¯¥ë¡Œ¥É€¹€ë»þ
 *  €Ï¡€TOPPERS_MACRO_ONLY€òÄêµÁ€·€Æ€ª€¯€³€È€Ç¡€¥Þ¥¯¥íÄêµÁ°Ê³°€Îµ­œÒ€ò
 *  œü€¯€³€È€¬€Ç€­€ë¡¥
 *
 *  €³€Î¥Õ¥¡¥€¥ë€ò¥€¥ó¥¯¥ë¡Œ¥É€¹€ëÁ°€Ë¥€¥ó¥¯¥ë¡Œ¥É€·€Æ€ª€¯€Ù€­¥Õ¥¡¥€¥ë
 *  €Ï€Ê€€¡¥
 */

#ifndef TOPPERS_SIL_H
#define TOPPERS_SIL_H

#ifdef __cplusplus
extern "C" {
#endif

/*
 *      TOPPERS¶ŠÄ̀ΥǡŒ¥¿·¿¡ŠÄê¿ô¡Š¥Þ¥¯¥í
 */
#include <t_stddef.h>

/*
 *  ¥¿¡Œ¥²¥Ã¥È°ÍžÉô
 */
#include "target_sil.h"

#ifndef TOPPERS_MACRO_ONLY

/*
 *  ÁŽ³ä¹þ€ß¥í¥Ã¥¯ŸõÂÖ€ÎÀ©žæ
 *
 *  SIL_PRE_LOC¡€SIL_LOC_INT()¡€SIL_UNL_INT()€Ï¡€¥¿¡Œ¥²¥Ã¥È°ÍžÉô€ÇÍÑ
 *  °Õ€¹€ë¡¥¥Ç¥Õ¥©¥ë¥È€ÎÄêµÁ€ÏÍÑ°Õ€·€Æ€€€Ê€€¡¥
 */

/*
 *  ÈùŸ¯»þŽÖÂÔ€Á
 */
extern void     sil_dly_nse(ulong_t dlytim) throw();

/*
 *  ¥š¥ó¥Ç¥£¥¢¥ó€ÎÈ¿ÅŸ
 */
#ifndef TOPPERS_SIL_REV_ENDIAN_UINT16
#define TOPPERS_SIL_REV_ENDIAN_UINT16(data) \
                                ((((data) & 0xffU) << 8) | (((data) >> 8) & 0xffU))
#endif /* TOPPERS_SIL_REV_ENDIAN_UINT16 */

#ifndef TOPPERS_SIL_REV_ENDIAN_UINT32
#define TOPPERS_SIL_REV_ENDIAN_UINT32(data) \
                                ((((data) & 0xffU) << 24) | (((data) & 0xff00U) << 8) \
                                        | (((data) >> 8) & 0xff00U) | (((data) >> 24) & 0xffU))
#endif /* TOPPERS_SIL_REV_ENDIAN_UINT32 */

/*
 *  ¥á¥â¥ê¶õŽÖ¥¢¥¯¥»¥¹ŽØ¿ô
 */
#ifndef TOPPERS_OMIT_SIL_ACCESS

/*
 *  8¥Ó¥Ã¥Èñ°Ì€ÎÆɜЀ·¡¿œñ¹þ€ß
 */
#ifdef UINT8_MAX

Inline uint8_t
sil_reb_mem(const uint8_t *mem)
{
        uint8_t data;

        data = *((const volatile uint8_t *) mem);
        return(data);
}

Inline void
sil_wrb_mem(uint8_t *mem, uint8_t data)
{
        *((volatile uint8_t *) mem) = data;
}

#endif /* UINT8_MAX */

/*
 *  16¥Ó¥Ã¥Èñ°Ì€ÎÆɜЀ·¡¿œñ¹þ€ß
 */

Inline uint16_t
sil_reh_mem(const uint16_t *mem)
{
        uint16_t        data;

        data = *((const volatile uint16_t *) mem);
        return(data);
}

Inline void
sil_wrh_mem(uint16_t *mem, uint16_t data)
{
        *((volatile uint16_t *) mem) = data;
}

#ifdef SIL_ENDIAN_BIG                   /* ¥Ó¥Ã¥°¥š¥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 TOPPERS_OMIT_SIL_REH_LEM

Inline uint16_t
sil_reh_lem(const uint16_t *mem)
{
        uint16_t        data;

        data = *((const volatile uint16_t *) mem);
        return(TOPPERS_SIL_REV_ENDIAN_UINT16(data));
}

#endif /* TOPPERS_OMIT_SIL_REH_LEM */
#ifndef TOPPERS_OMIT_SIL_WRH_LEM

Inline void
sil_wrh_lem(uint16_t *mem, uint16_t data)
{
        *((volatile uint16_t *) mem) = TOPPERS_SIL_REV_ENDIAN_UINT16(data);
}

#endif /* TOPPERS_OMIT_SIL_WRH_LEM */
#else /* SIL_ENDIAN_BIG */
#ifdef SIL_ENDIAN_LITTLE                /* ¥ê¥È¥ë¥š¥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 TOPPERS_OMIT_SIL_REH_BEM

Inline uint16_t
sil_reh_bem(const uint16_t *mem)
{
        uint16_t        data;

        data = *((const volatile uint16_t *) mem);
        return(TOPPERS_SIL_REV_ENDIAN_UINT16(data));
}

#endif /* TOPPERS_OMIT_SIL_REH_BEM */
#ifndef TOPPERS_OMIT_SIL_WRH_BEM

Inline void
sil_wrh_bem(uint16_t *mem, uint16_t data)
{
        *((volatile uint16_t *) mem) = TOPPERS_SIL_REV_ENDIAN_UINT16(data);
}

#endif /* TOPPERS_OMIT_SIL_WRH_BEM */
#else /* SIL_ENDIAN_LITTLE */

#error Neither SIL_ENDIAN_BIG nor SIL_ENDIAN_LITTLE is defined.

#endif /* SIL_ENDIAN_LITTLE */
#endif /* SIL_ENDIAN_BIG */

/*
 *  32¥Ó¥Ã¥Èñ°Ì€ÎÆɜЀ·¡¿œñ¹þ€ß
 */

Inline uint32_t
sil_rew_mem(const uint32_t *mem)
{
        uint32_t        data;

        data = *((const volatile uint32_t *) mem);
        return(data);
}

Inline void
sil_wrw_mem(uint32_t *mem, uint32_t data)
{
        *((volatile uint32_t *) mem) = data;
}

#ifdef SIL_ENDIAN_BIG                   /* ¥Ó¥Ã¥°¥š¥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 TOPPERS_OMIT_SIL_REW_LEM

Inline uint32_t
sil_rew_lem(const uint32_t *mem)
{
        uint32_t        data;

        data = *((const volatile uint32_t *) mem);
        return(TOPPERS_SIL_REV_ENDIAN_UINT32(data));
}

#endif /* TOPPERS_OMIT_SIL_REW_LEM */
#ifndef TOPPERS_OMIT_SIL_WRW_LEM

Inline void
sil_wrw_lem(uint32_t *mem, uint32_t data)
{
        *((volatile uint32_t *) mem) = TOPPERS_SIL_REV_ENDIAN_UINT32(data);
}

#endif /* TOPPERS_OMIT_SIL_WRW_LEM */
#else /* SIL_ENDIAN_BIG */              /* ¥ê¥È¥ë¥š¥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 TOPPERS_OMIT_SIL_REW_BEM

Inline uint32_t
sil_rew_bem(const uint32_t *mem)
{
        uint32_t        data;

        data = *((const volatile uint32_t *) mem);
        return(TOPPERS_SIL_REV_ENDIAN_UINT32(data));
}

#endif /* TOPPERS_OMIT_SIL_REW_BEM */
#ifndef TOPPERS_OMIT_SIL_WRW_BEM

Inline void
sil_wrw_bem(uint32_t *mem, uint32_t data)
{
        *((volatile uint32_t *) mem) = TOPPERS_SIL_REV_ENDIAN_UINT32(data);
}

#endif /* TOPPERS_OMIT_SIL_WRW_BEM */
#endif /* SIL_ENDIAN_BIG */
#endif /* TOPPERS_OMIT_SIL_ACCESS */

#endif /* TOPPERS_MACRO_ONLY */

#ifdef __cplusplus
}
#endif

#endif /* TOPPERS_SIL_H */