ini_mpf.c

来自「itron」· C语言 代码 · 共 48 行

/* ------------------------------------------------------------------------ */
/*  Hyper Operating System V4  μITRON4.0慌屯 Real-Time OS                  */
/*    ITRONカ〖ネル 盖年墓メモリプ〖ル                                      */
/*                                                                          */
/*                                  Copyright (C) 1998-2002 by Project HOS  */
/*                                  http://sourceforge.jp/projects/hos/     */
/* ------------------------------------------------------------------------ */


#include "knl_mpf.h"



/* 盖年墓メモリプ〖ルの介袋步 */
void kernel_ini_mpf(void)
{
	const T_KERNEL_MPFCB_ROM *mpfcb_rom;
	T_KERNEL_MPFCB_RAM       *mpfcb_ram;
	UB   *ptr;
	INT  i;
	UINT j;

	/* 盖年墓メモリプ〖ルコントロ〖ルブロックの介袋步 */
	for ( i = KERNEL_TMIN_MPFID; i <= KERNEL_TMAX_MPFID; i++ )
	{
		mpfcb_ram = KERNEL_MPFID_TO_MPFCB_RAM(i);
		if ( mpfcb_ram != NULL )
		{
			mpfcb_rom = mpfcb_ram->mpfcb_rom;
			
			/* ブロックの介袋步 */
			mpfcb_ram->free = mpfcb_rom->mpf;
			ptr             = (UB *)mpfcb_rom->mpf;
			for ( j = 0; j < mpfcb_rom->blkcnt - 1; j++ )
			{
				*(VP *)ptr = (VP)(ptr + mpfcb_rom->blksz);
				ptr += mpfcb_rom->blksz;
			}
			*(VP *)ptr = NULL;	/* 呵姜ブロック */
		}
	}
}


/* ------------------------------------------------------------------------ */
/*  Copyright (C) 1998-2002 by Project HOS                                  */
/* ------------------------------------------------------------------------ */