phb_pindex.c

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/*****************************************************************************
*  Copyright Statement:
*  --------------------
*  This software is protected by Copyright and the information contained
*  herein is confidential. The software may not be copied and the information
*  contained herein may not be used or disclosed except with the written
*  permission of MediaTek Inc. (C) 2005
*
*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
*  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
*
*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
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*
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*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
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*****************************************************************************/

/*****************************************************************************
 *
 * Filename:
 * ---------
 * phb_pindex.c
 *
 * Project:
 * --------
 *   MAUI
 *
 * Description:
 * ------------
 *   This is a primary index. Data stucture of primary index is defined, as well as functions
 *   for its basic operations.
 *
 * Author:
 * -------
 * -------
 *
 *============================================================================
 *             HISTORY
 * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *------------------------------------------------------------------------------
 * removed!
 *
 *------------------------------------------------------------------------------
 * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!!
 *============================================================================
 ****************************************************************************/
#include "kal_release.h"        /* Basic data type */

#include "stack_common.h"
#include "stack_msgs.h"
#include "app_ltlcom.h" /* Task message communiction */

#include "syscomp_config.h"
#include "task_config.h"        /* Task creation */

#include "kal_trace.h"
#include "phb_trc.h"

#include "sim_common_enums.h"
// #include "nvram_editor_data_item.h"
#include "custom_nvram_editor_data_item.h"

#include "l4_common.h"
#include "ps2sim_struct.h"

#include "l4c2phb_enums.h"
#include "l4c2phb_struct.h"

#include "phb_defs.h"
#include "phb_utils.h"
#include "phb_pindex.h"

#undef  _FILE_CODE_
#define _FILE_CODE_ PHB_PINDEX_C


/*****************************************************************************
 * FUNCTION
 *  phb_pindex_get_size
 * DESCRIPTION
 *  Returns size of memory occupied by a pindex.
 * PARAMETERS
 *  slots       [IN]        Total slots of table
 * RETURNS
 *  Size of memory
 *****************************************************************************/
kal_uint16 phb_pindex_get_size(kal_uint16 slots)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    /*    kal_trace(TRACE_FUNC, FUNC_PHB_PINDEX_GET_SIZE); */

    return sizeof(pindex_type) + sizeof(pindex_struct) * slots;
}


/*****************************************************************************
 * FUNCTION
 *  phb_pindex_new
 * DESCRIPTION
 *  Constructor of pindex(primary index).
 * PARAMETERS
 *  pindex      [IN]        The allocated memory for the new pindex
 *  slots       [IN]        
 *  size(?)     [IN]        Total slots of table
 * RETURNS
 *  void
 *****************************************************************************/
void phb_pindex_new(pindex_type *pindex, kal_uint16 slots)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    /*    kal_trace(TRACE_FUNC, FUNC_PHB_PINDEX_NEW); */

    ASSERT(pindex != NULL);

    pindex->slots = slots;
    phb_pindex_reset(pindex);
}   /* end of phb_pindex_new */


/*****************************************************************************
 * FUNCTION
 *  phb_pindex_reset
 * DESCRIPTION
 *  Reset pindex(primary index).
 * PARAMETERS
 *  pindex      [IN]        The pindex to reset
 * RETURNS
 *  void
 *****************************************************************************/
void phb_pindex_reset(pindex_type *pindex)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    /*    kal_trace(TRACE_FUNC, FUNC_PHB_PINDEX_RESET); */

    ASSERT(pindex != NULL);

    pindex->used_count = 0;

    if (pindex->slots > 0)
    {
        kal_mem_set(pindex->table, (kal_uint8) PHB_INVALID_VALUE, pindex->slots * sizeof(pindex_struct));
    }
}   /* end of phb_pindex_reset */


/*****************************************************************************
 * FUNCTION
 *  phb_pindex_append
 * DESCRIPTION
 *  Append to pindex(primary index).
 * PARAMETERS
 *  pindex          [IN]        The pindex
 *  position        [IN]        The data to append
 * RETURNS
 *  KAL_TRUE if success, KAL_FALSE else.
 *****************************************************************************/
kal_uint16 phb_pindex_append(pindex_type *pindex, kal_uint16 position)
{
    /*----------------------------------------------------------------*/
    /* Local Variables                                                */
    /*----------------------------------------------------------------*/

    /*----------------------------------------------------------------*/
    /* Code Body                                                      */
    /*----------------------------------------------------------------*/
    kal_trace(TRACE_FUNC, FUNC_PHB_PINDEX_APPEND);

    ASSERT(pindex != NULL);

    if (pindex->used_count < pindex->slots)
    {
        pindex->table[pindex->used_count++].position = position;
        return (kal_uint16) PHB_INVALID_VALUE;
    }
    return pindex->used_count;
}   /* end of phb_pindex_append */


/*****************************************************************************
 * FUNCTION
 *  phb_pindex_insert
 * DESCRIPTION
 *  Insert `position' into `index'th element of table of pindex(primary index).
 * PARAMETERS
 *  pindex          [IN]        The pindex