pmi.c

nuclues 内核源代码已经在arm7-9 上作了移植

/*************************************************************************/
/*                                                                       */
/*        Copyright (c) 1993-2001 Accelerated Technology, Inc.           */
/*                                                                       */
/* PROPRIETARY RIGHTS of Accelerated Technology are involved in the      */
/* subject matter of this material.  All manufacturing, reproduction,    */
/* use, and sales rights pertaining to this subject matter are governed  */
/* by the license agreement.  The recipient of this software implicitly  */
/* accepts the terms of the license.                                     */
/*                                                                       */
/*************************************************************************/

/*************************************************************************/
/*                                                                       */
/* FILE NAME                                            VERSION          */
/*                                                                       */
/*      pmi.c                                           PLUS  1.13       */
/*                                                                       */
/* COMPONENT                                                             */
/*                                                                       */
/*      PM -  Partition Memory Management                                */
/*                                                                       */
/* DESCRIPTION                                                           */
/*                                                                       */
/*      This file contains the initialization routine for the Partition  */
/*      Memory Management component.                                     */
/*                                                                       */
/* AUTHOR                                                                */
/*                                                                       */
/*      Accelerated Technology, Inc.                                     */
/*                                                                       */
/* DATA STRUCTURES                                                       */
/*                                                                       */
/*      None                                                             */
/*                                                                       */
/* FUNCTIONS                                                             */
/*                                                                       */
/*      PMI_Initialize                      Partition Management Init.   */
/*                                                                       */
/* DEPENDENCIES                                                          */
/*                                                                       */
/*      pm_defs.h                           Partition component constants*/
/*                                                                       */
/* HISTORY                                                               */
/*                                                                       */
/*         DATE                    REMARKS                               */
/*                                                                       */
/*      03-01-1993      Created initial version 1.0                      */
/*      04-19-1993      Verified version 1.0                             */
/*      03-01-1994      Modified copyright, resulting in                 */
/*                      version 1.1                                      */
/*                                                                       */
/*      03-18-1994      Verified version 1.1                             */
/*      04-17-1996      updated to version 1.2                           */
/*      03-24-1998      Released version 1.3                             */
/*                                                                       */
/*************************************************************************/
#define         NU_SOURCE_FILE


#include        "pm_defs.h"                 /* Partition constants       */
#include        "pm_extr.h"                 /* Partition interfaces      */


/* Define external inner-component global data references.  */

extern CS_NODE         *PMD_Created_Pools_List;
extern UNSIGNED         PMD_Total_Pools;
extern TC_PROTECT       PMD_List_Protect;


/*************************************************************************/
/*                                                                       */
/* FUNCTION                                                              */
/*                                                                       */
/*      PMI_Initialize                                                   */
/*                                                                       */
/* DESCRIPTION                                                           */
/*                                                                       */
/*      This function initializes the data structures that control the   */
/*      operation of the Partition Memory component (PM).  There are no  */
/*      partition pools initially.                                       */
/*                                                                       */
/* AUTHOR                                                                */
/*                                                                       */
/*      Accelerated Technology, Inc.                                     */
/*                                                                       */
/* CALLED BY                                                             */
/*                                                                       */
/*      INC_Initialize                      System initialization        */
/*                                                                       */
/* CALLS                                                                 */
/*                                                                       */
/*      None                                                             */
/*                                                                       */
/* INPUTS                                                                */
/*                                                                       */
/*      None                                                             */
/*                                                                       */
/* OUTPUTS                                                               */
/*                                                                       */
/*      PMD_Created_Pools_List              List of created pools        */
/*      PMD_Total_Pools                     Number of created pools      */
/*      PMD_List_Protect                    Protection for pool list     */
/*                                                                       */
/* HISTORY                                                               */
/*                                                                       */
/*        DATE                    REMARKS                                */
/*                                                                       */
/*      03-01-1993      Created initial version 1.0                      */
/*      04-19-1993      Verified version 1.0                             */ 
/*                                                                       */
/*************************************************************************/
VOID  PMI_Initialize(VOID)
{

    /* Initialize the created partition pool list to NU_NULL.  */
    PMD_Created_Pools_List =  NU_NULL;
    
    /* Initialize the total number of created pools to 0.  */
    PMD_Total_Pools =  0;
    
    /* Initialize the list protection structure.  */
    PMD_List_Protect.tc_tcb_pointer =      NU_NULL;
}