+
−/* 
+
−+----------------------------------------------------------------------------- 
+
−|  Project :  
+
−|  Modul   :  cci_hw_sim.c
+
−+----------------------------------------------------------------------------- 
+
−|  Copyright 2002 Texas Instruments Berlin, AG 
+
−|                 All rights reserved. 
+
−| 
+
−|                 This file is confidential and a trade secret of Texas 
+
−|                 Instruments Berlin, AG 
+
−|                 The receipt of or possession of this file does not convey 
+
−|                 any rights to reproduce or disclose its contents or to 
+
−|                 manufacture, use, or sell anything it may describe, in 
+
−|                 whole, or in part, without the specific written consent of 
+
−|                 Texas Instruments Berlin, AG. 
+
−+----------------------------------------------------------------------------- 
+
−|  Purpose :  This module implements hardware simulation functions for
+
−|             entity CCI.
+
−+----------------------------------------------------------------------------- 
+
−*/ 
+
−
+
−
+
−#define CCI_HW_SIM_C
+
−
+
−#define ENTITY_LLC
+
−
+
−/*==== INCLUDES =============================================================*/
+
−#include <string.h>     /* to get memmove */
+
−
+
−#include "typedefs.h"   /* to get Condat data types */
+
−#include "vsi.h"        /* to get a lot of macros */
+
−#include "macdef.h"
+
−#include "gprs.h"
+
−#include "gsm.h"        /* to get a lot of macros */
+
−#include "cnf_llc.h"    /* to get cnf-definitions */
+
−#include "mon_llc.h"    /* to get mon-definitions */
+
−#include "prim.h"       /* to get the definitions of used SAP and directions */
+
−#include "cci.h"        /* to get the global entity definitions */
+
−#include "llc.h"        /* to get the global entity definitions */
+
−
+
−#include "cci_hw_sim.h"
+
−
+
−#include "llc_f.h"      /* to get llc_build_crc24() */
+
−
+
−/*==== CONST ================================================================*/
+
−
+
−/*==== LOCAL VARS ===========================================================*/
+
−
+
−/*==== PRIVATE FUNCTIONS ====================================================*/
+
−
+
−/*==== PUBLIC FUNCTIONS =====================================================*/
+
−
+
−#ifdef _GEA_SIMULATION_
+
−
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : ciph_hw_sim_cipher
+
−+------------------------------------------------------------------------------
+
−| Description : This functionn simulates the hardware during ciphering process    
+
−|
+
−| Parameters  : void
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void ciph_hw_sim_cipher (U16 len)
+
−{
+
−  /*
+
−   * first move data one byte, if requested
+
−   */
+
−
+
−  if( *cci_data->fbs.conf_ul_reg1 & INPUT_SHIFT )
+
−  {
+
−    memmove (cci_data->fbs.simulated_reg_buffer,   /* dest */
+
−             cci_data->fbs.simulated_reg_buffer+1, /* src  */
+
−             len);
+
−  }
+
−
+
−  {
+
−#ifdef _SIM_CALC_FCS_
+
−    ULONG             fcs;
+
−
+
−  /*
+
−   * Build FCS (function returns already inversed CRC), store result in fcs.
+
−   */
+
−  fcs = llc_build_crc24 (cci_data->fbs.simulated_reg_buffer,
+
−                         len);
+
−  /*
+
−   * Copy FCS to HW registers, taking byte ordering of FCS registers
+
−   * into account, e.g.:
+
−   * fcs              reg1   reg2
+
−   * xx 36 29 FC  ->  29 FC  xx 36
+
−   */
+
−  *cci_data->fbs.fcs_ul_reg1 = (USHORT) (fcs & 0x0000FFFFL);
+
−  *cci_data->fbs.fcs_ul_reg2 = (USHORT)((fcs & 0x00FF0000L) >> 16);
+
−#else
+
−  /*
+
−   * Set FCS to all zeroes in simulation.
+
−   */
+
−  *cci_data->fbs.fcs_ul_reg1 = 0x0000;
+
−  *cci_data->fbs.fcs_ul_reg2 = 0x0000;
+
−#endif /* _SIM_CALC_FCS_ */
+
−  }
+
−  /*
+
−   * HW simulation: set status register to indicate finished work and emulate
+
−   * timer afterwards.
+
−   */
+
−  *cci_data->fbs.status_reg &= NOT_WORKING;
+
−
+
−} /* ciph_hw_sim_cipher */
+
−
+
− /*
+
−+------------------------------------------------------------------------------
+
−| Function    : ciph_hw_sim_decipher
+
−+------------------------------------------------------------------------------
+
−| Description : This functionn simulates the hardware during deciphering process    
+
−|
+
−| Parameters  : void
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void ciph_hw_sim_decipher ( void )
+
−{
+
−  /*
+
−   * set all registers to indicate finished work.
+
−   * FCS will be checked later.
+
−   */
+
−  *cci_data->fbs.fcs_dl_reg1 &= 0x0000;
+
−  *cci_data->fbs.fcs_dl_reg2 &= 0x0000;
+
−
+
−  *cci_data->fbs.status_reg  &= NOT_WORKING;
+
−
+
−} /* ciph_hw_sim_decipher */
+
−
+
−
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : ciph_reg16_write_sim
+
−+------------------------------------------------------------------------------
+
−| Description : This function simulates the hardware writing process on windows 
+
−|               environment
+
−|
+
−| Parameters  : void
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void ciph_reg16_write_sim ( void )
+
−{ 
+
−  UBYTE *data = (UBYTE *)cci_data->fbs.data16_reg;;
+
−
+
−  /*
+
−   * To support any alignment the copy process must be done in two steps 
+
−   * by the use of 8 bit char pointers
+
−   */
+
−  *cci_data->fbs.simulated_reg = *data;
+
−  cci_data->fbs.simulated_reg++;
+
−
+
−  data++;
+
−
+
−  *cci_data->fbs.simulated_reg = *data;
+
−  cci_data->fbs.simulated_reg++;
+
−  
+
−} /* ciph_reg16_write_sim */
+
−
+
−
+
−
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : ciph_reg8_write_sim
+
−+------------------------------------------------------------------------------
+
−| Description : This function simulates the 8 bit hardware writing process 
+
−|               by the use of 8 bit register.
+
−|
+
−| Parameters  : void
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void ciph_reg8_write_sim ( void )
+
−{ 
+
−  *cci_data->fbs.simulated_reg = *cci_data->fbs.data8_reg;
+
−  cci_data->fbs.simulated_reg++;
+
−
+
−} /* ciph_reg8_write_sim() */
+
−
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : ciph_reg16_read_sim
+
−+------------------------------------------------------------------------------
+
−| Description : This function simulates the 16 bit hardware reading process 
+
−|               by the use of a 16 bit register
+
−|
+
−| Parameters  : void
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void ciph_reg16_read_sim ( void )
+
−{   
+
−  UBYTE *data = (UBYTE *)cci_data->fbs.data16_reg;
+
−  
+
−  /*
+
−   * To support any alignment the copy process must be done in two steps 
+
−   * by the use of 8 bit char pointers
+
−   */
+
−  *data = *cci_data->fbs.simulated_reg;
+
−  cci_data->fbs.simulated_reg++;
+
−
+
−  data++;  
+
−
+
−  *data = *cci_data->fbs.simulated_reg;
+
−  cci_data->fbs.simulated_reg++;
+
−
+
−} /* ciph_reg16_read_sim*/
+
−
+
−
+
−/*
+
−+------------------------------------------------------------------------------
+
−| Function    : ciph_reg8_read_sim
+
−+------------------------------------------------------------------------------
+
−| Description : This function simulates the 8 bit hardware reading process 
+
−|               by the use of 8 bit register.
+
−|
+
−| Parameters  : void
+
−|
+
−+------------------------------------------------------------------------------
+
−*/
+
−GLOBAL void ciph_reg8_read_sim ( void )
+
−{   
+
−  *cci_data->fbs.data8_reg = *cci_data->fbs.simulated_reg;
+
−  cci_data->fbs.simulated_reg++;
+
−
+
−} /* ciph_reg8_read_sim*/
+
−
+
−
+
−
+
−#endif /* _GEA_SIMULATION */