--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/g23m-gsm/dl/dl_pei.c	Tue Oct 04 18:24:05 2016 +0000
@@ -0,0 +1,729 @@
+/*
++-----------------------------------------------------------------------------
+|  Project :
+|  Modul   :
++-----------------------------------------------------------------------------
+|  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 the process body interface
+|             for the entity DL of the mobile station.
++-----------------------------------------------------------------------------
+*/
+
+#ifndef DL_PEI_C
+#define DL_PEI_C
+
+#define ENTITY_DL
+
+
+
+/*==== INCLUDES ===================================================*/
+#include "typedefs.h"
+#include <string.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include "vsi.h"
+#include "pconst.cdg"
+#include "custom.h"
+#include "gsm.h"
+#include "mon_dl.h"
+#include "prim.h"
+#include "pei.h"
+#include "tok.h"
+#include "ccdapi.h"
+#include "dl.h"
+#include "dl_em.h"
+#include "dl_trc.h"
+
+/*==== EXPORT =====================================================*/
+#ifdef TI_PS_HCOMM_CHANGE
+#else
+GLOBAL T_HANDLE hCommDL         = VSI_ERROR;    /* Self  Communication */
+GLOBAL T_HANDLE hCommRR         = VSI_ERROR;    /* RR  Communication */
+GLOBAL T_HANDLE hCommPL         = VSI_ERROR;    /* PL  Communication */
+#ifdef FF_EM_MODE
+GLOBAL T_HANDLE hCommMMI        = VSI_ERROR;    /* EM  Communication */
+#endif /* FF_EM_MODE */
+#endif
+GLOBAL USHORT dl_handle;
+
+/*==== PRIVATE ====================================================*/
+
+LOCAL void pei_not_supported (void *data);
+LOCAL int dl_process_signal (ULONG opc, void *signal_data);
+
+LOCAL SHORT pei_signal (T_SIGNAL_OPC opc, void *signal_data);
+
+/*==== VARIABLES ==================================================*/
+#ifdef _SIMULATION_
+static UBYTE             first_access = TRUE;
+#endif /* _SIMULATION_ */
+
+static T_MONITOR         dl_mon;
+
+/*==== FUNCTIONS ==================================================*/
+/* Please consider that the opc´s are not necessarily sorted in sequential order.
+ * DL doesn´t use the normal technique to get the primitive from the table.
+ * Instead it uses the direct search and compare:
+ * for (i=0; i<n; i++, table++)
+ *  if (table->opc EQ opc)
+ *    break;
+ */
+LOCAL const T_FUNC dl_table[] = {
+  MAK_FUNC_S( drr_dl_establish_req      , DL_ESTABLISH_REQ     ), /* 0x80000003 */
+  MAK_FUNC_N( pei_not_supported         , 0                    ), /* 0x80010003 */
+  MAK_FUNC_0( drr_dl_release_req        , DL_RELEASE_REQ       ), /* 0x80020003 */
+  MAK_FUNC_N( pei_not_supported         , 0                    ), /* 0x80030003 */
+  MAK_FUNC_S( drr_dl_data_req           , DL_DATA_REQ          ), /* 0x80040003 */
+  MAK_FUNC_N( pei_not_supported         , 0                    ), /* 0x80050003 */
+  MAK_FUNC_S( drr_dl_unitdata_req       , DL_UNITDATA_REQ      ), /* 0x80060003 */
+  MAK_FUNC_N( pei_not_supported         , 0                    ), /* 0x80070003 */
+  MAK_FUNC_0( drr_dl_suspend_req        , DL_SUSPEND_REQ       ), /* 0x80080003 */
+  MAK_FUNC_N( pei_not_supported         , 0                    ), /* 0x80090003 */
+  MAK_FUNC_S( drr_dl_resume_req         , DL_RESUME_REQ        ), /* 0x800a0003 */
+  MAK_FUNC_N( pei_not_supported         , 0                    ), /* 0x800b0003 */
+  MAK_FUNC_S( drr_dl_reconnect_req      , DL_RECONNECT_REQ     ), /* 0x800c0003 */
+  MAK_FUNC_N( pei_not_supported         , 0                    ), /* 0x800d0003 */
+#if defined (DL_TRACE_ENABLED) && !defined(DL_IMMEDIATE_TRACE)
+  MAK_FUNC_0( dl_trace_read_all         , DL_TRACE_REQ         ), /* 0x800e0003 */
+#else
+  MAK_FUNC_N( pei_not_supported         , 0                    ), /* 0x800e0003 */
+#endif /* DL_TRACE_ENABLED && !DL_IMMEDIATE_TRACE */
+  MAK_FUNC_N( pei_not_supported         , 0                    ), /* 0x800f0003 */
+  MAK_FUNC_S( drr_dl_short_unitdata_req , DL_SHORT_UNITDATA_REQ)  /* 0x80100003 */
+};
+
+LOCAL const T_FUNC mphc_table[] = {
+  MAK_FUNC_0( dph_ph_data_ind, PH_DATA_IND )                      /* 0x0000006d */
+};
+
+
+#if defined (DL_2TO1)
+  #if defined(_SIMULATION_)
+    LOCAL const T_FUNC l1_test_table[] = {
+      MAK_FUNC_0( l1test_call_mphc_read_dcch, L1TEST_CALL_MPHC_READ_DCCH    ), /* 8000409b */
+      MAK_FUNC_N( pei_not_supported         , 0                             )  /* removed */
+      MAK_FUNC_N( pei_not_supported         , 0                             )  /* removed */
+    };
+  #endif  /* _SIMULATION_ */
+#else /* DL_2TO1 */
+
+  LOCAL const T_FUNC mdl_table[] = {
+    MAK_FUNC_0( drr_mdl_release_req     , MDL_RELEASE_REQ      ) /* 0x80004004 */
+  };
+
+  #if defined (_SIMULATION_) || (defined (DL_TRACE_ENABLED) && !defined(DL_IMMEDIATE_TRACE))
+    LOCAL const T_FUNC ph_table[] = {
+    #if defined(_SIMULATION_)
+        MAK_FUNC_0( dph_ph_ready_to_send    , PH_READY_TO_SEND     ), /* 0x4100 */
+    #else
+        MAK_FUNC_N( pei_not_supported       , 0                    ), /* 0x4100 */
+    #endif  /* _SIMULATION_ */
+        MAK_FUNC_N( pei_not_supported       , 0                    ), /* 0x4101 */
+    #if defined (DL_TRACE_ENABLED) && !defined(DL_IMMEDIATE_TRACE)
+        MAK_FUNC_0( dl_trace_read           , PH_TRACE_IND         )  /* 0x4102 */
+    #else
+        MAK_FUNC_N( pei_not_supported       , 0                    )  /* 0x4102 */
+    #endif /* DL_TRACE_ENABLED && !DL_IMMEDIATE_TRACE*/
+    };
+  #endif  /* _SIMULATION_||(DL_TRACE_ENABLED&& !DL_IMMEDIATE_TRACE) */
+#endif /* DL_2TO1 */
+
+#ifdef FF_EM_MODE
+LOCAL const T_FUNC em_ul_table[] = {
+  MAK_FUNC_0( dl_em_dl_event_req      , EM_DL_EVENT_REQ      ), /* 0x3e0A*/
+};
+#endif /* FF_EM_MODE */
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)              MODULE  : DL_PEI              |
+| STATE   : code                       ROUTINE : pei_primitive       |
++--------------------------------------------------------------------+
+
+  PURPOSE : Process protocol specific primitive.
+
+*/
+LOCAL SHORT pei_primitive (void * ptr)
+{
+  GET_INSTANCE_DATA;
+  T_PRIM *prim = (T_PRIM*)ptr;
+  /*
+   *             |            |
+   *            DL           MDL
+   *             |            |
+   *      +------v------------v------+
+   *      |                          |
+   *      |            DL            |
+   *      |                          |
+   *      +-------------^------------+
+   *                    |
+   *                 MPHC/PH
+   *                    |
+   *
+   */
+
+  TRACE_FUNCTION ("pei_primitive()");
+
+  if (prim NEQ NULL)
+  {
+    ULONG           opc = prim->custom.opc;
+    USHORT          n;
+    const T_FUNC    *table;
+
+    VSI_PPM_REC ((T_PRIM_HEADER*)prim, __FILE__, __LINE__);
+
+    PTRACE_IN (opc);
+
+    switch (SAP_NR(opc))
+    {
+      case SAP_NR(DL_UL):   table =  dl_table; n = TAB_SIZE (dl_table); break;
+      /*case SAP_NR(MPHC_UL):*/ /* same as MPHC_DL */
+      case SAP_NR(MPHC_DL):   
+        table =  mphc_table; 
+        n = TAB_SIZE (mphc_table); 
+        /*
+         * The opcodes for MPHC_DL start at 0x6d
+         */
+        opc -= 0x6d; 
+        break;
+#if defined (DL_2TO1)
+  #if defined(_SIMULATION_)
+      case SAP_NR(L1TEST_UL):
+      case SAP_NR(L1TEST_DL):   table =  l1_test_table; n = TAB_SIZE (l1_test_table); break;
+  #endif /* _SIMULATION_ */
+#else /* DL_2TO1 */
+      case SAP_NR(MDL_DL):  table = mdl_table; n = TAB_SIZE (mdl_table); break;
+  #if defined (_SIMULATION_) || (defined (DL_TRACE_ENABLED) && !defined(DL_IMMEDIATE_TRACE))
+      case SAP_NR(PH_UL):
+      case SAP_NR(PH_DL):   table =  ph_table; n = TAB_SIZE (ph_table); break;
+  #endif  /* _SIMULATION_||(DL_TRACE_ENABLED&&!DL_IMMEDIATE_TRACE) */
+#endif /* DL_2TO1 */
+
+#ifdef FF_EM_MODE
+      case EM_Ul:           
+        table = em_ul_table; 
+        n = TAB_SIZE (em_ul_table); 
+        /*
+         * The opcodes for EM_Ul start at 0x0a
+         */        
+        opc -= 0x0a; 
+        break;
+#endif /* FF_EM_MODE*/
+      default    : table = NULL;      n = 0;                      break;
+    }
+    if (table)
+    {
+
+#if defined (_SIMULATION_)
+      if (opc NEQ PH_READY_TO_SEND)
+      /*
+       * this simulates function call of layer 1 in the
+       * windows environment
+       */
+#endif /* _SIMULATION_ */
+      dl_data->dl_active = TRUE;
+
+
+      if (PRIM_NR(opc)<n)
+      {
+        table += PRIM_NR(opc);
+#ifdef PALLOC_TRANSITION
+        /*lint -e661 (Warning -- Possible access of out-of-bounds) */
+        P_SDU(prim) = table->soff ? (T_sdu*) (((char*)&prim->data) + table->soff) : 0;
+        /*lint +e661 (Warning -- Possible access of out-of-bounds) */
+#ifndef NO_COPY_ROUTING
+        P_LEN(prim) = table->size + sizeof (T_PRIM_HEADER);
+#endif /* NO_COPY_ROUTING */
+#endif /* PALLOC_TRANSITION */
+
+#if defined (DL_TRACE_ENABLED) && !defined(DL_2TO1)
+        if ((opc EQ DL_TRACE_REQ) OR (opc EQ PH_TRACE_IND))
+          /*lint -e661 (Warning -- Possible access of out-of-bounds) */
+          JUMP (table->func)();
+          /*lint +e661 (Warning -- Possible access of out-of-bounds) */
+        else
+#endif /* DL_TRACE_ENABLED && !DL_2TO1 */
+          /*lint -e661 (Warning -- Possible access of out-of-bounds) */
+          JUMP (table->func) (P2D(prim));
+          /*lint +e661 (Warning -- Possible access of out-of-bounds) */
+      }
+      else
+      {
+        pei_not_supported (P2D(prim));
+      }
+      dl_data->dl_active = FALSE;
+
+      return PEI_OK;
+    }
+
+#if defined (_SIMULATION_)
+    /* TDC is not able to send signals, therefore the redirection over primitives */
+    if (opc EQ DL_SIGNAL_EM_READ)
+    { /* test ACI read of EM buffer only */
+      return dl_process_signal(DL_SIGNAL_EM_READ, NULL);
+    }
+#endif /* _SIMULATION_ */
+
+    /*
+     * Primitive is no GSM Primitive
+     * then forward to the environment
+     */
+
+#ifdef GSM_ONLY
+    MY_PFREE (P2D(prim))
+
+    return PEI_ERROR;
+#else
+    if (opc & SYS_MASK)
+      vsi_c_primitive (VSI_CALLER prim);
+    else
+    {
+      void* p = (void*)P2D(prim);
+      MY_PFREE (p);
+      return PEI_ERROR;
+    }
+#endif
+  }
+  return PEI_OK;
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)              MODULE  : DL_PEI              |
+| STATE   : code                       ROUTINE : pei_not_supported   |
++--------------------------------------------------------------------+
+
+  PURPOSE : An unsupported primitive is received.
+
+*/
+
+LOCAL void pei_not_supported (void * data)
+{
+  TRACE_FUNCTION ("pei_not_supported()");
+
+  MY_PFREE (data);
+}
+
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)              MODULE  : DL_PEI              |
+| STATE   : code                       ROUTINE : pei_init            |
++--------------------------------------------------------------------+
+
+  PURPOSE : Initialize Protocol Stack Entity
+
+*/
+
+LOCAL SHORT pei_init (T_HANDLE handle)
+{
+  dl_handle = handle;
+
+  TRACE_FUNCTION ("pei_init() " __DATE__ " " __TIME__);
+
+#ifdef TI_PS_HCOMM_CHANGE
+  if (!cl_hcom_all_handles_open())
+  {
+    return PEI_ERROR;
+  }
+#else /* for hCommHandles backward compatibility */
+  if (hCommDL < VSI_OK)
+  {
+    if ((hCommDL = vsi_c_open (VSI_CALLER DL_NAME)) < VSI_OK)
+      return PEI_ERROR;
+  }
+
+  if (hCommRR < VSI_OK)
+  {
+    if ((hCommRR = vsi_c_open (VSI_CALLER RR_NAME)) < VSI_OK)
+      return PEI_ERROR;
+  }
+
+
+  if (hCommPL < VSI_OK)
+  {
+    if ((hCommPL = vsi_c_open (VSI_CALLER PL_NAME)) < VSI_OK)
+      return PEI_ERROR;
+  }
+
+#ifdef FF_EM_MODE
+  if (hCommMMI < VSI_OK)
+  {
+    if ((hCommMMI = vsi_c_open (VSI_CALLER ACI_NAME)) < VSI_OK)
+      return PEI_ERROR;
+  }
+#endif /* FF_EM_MODE */
+#endif
+
+  TRC_INIT ();
+
+#if !defined(_SIMULATION_)
+  TRACE_EVENT (dl_version());
+  SYST_TRACE (dl_version());
+#endif  /* !_SIMULATION_ */
+
+  /*
+   * Initialize data base
+   */
+
+#if defined(DL_TRACE_ENABLED) && !defined(DL_IMMEDIATE_TRACE)
+  dl_trace_init ();
+#endif  /* DL_TRACE_ENABLED && !DL_IMMEDIATE_TRACE*/
+
+  com_init_data ();
+  dcch0_init_dl_data ();
+  sacch0_init_dl_data ();
+
+#ifdef FF_EM_MODE
+  /*
+   initialise event flags
+  */
+  em_init_dl_event_trace();
+  /*
+   initialise dl semaphor for EM event tracing
+  */
+  em_dl_sem_init();
+#endif /* FF_EM_MODE */
+
+  return PEI_OK;
+}
+
+#ifdef _SIMULATION_
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)              MODULE  : DL_PEI              |
+| STATE   : code                       ROUTINE : pei_exit            |
++--------------------------------------------------------------------+
+
+  PURPOSE : Close Resources and terminate
+
+*/
+LOCAL SHORT pei_exit (void)
+{
+  TRACE_FUNCTION ("pei_exit()");
+
+#if defined(DL_TRACE_ENABLED) && !defined(DL_IMMEDIATE_TRACE)
+  dl_trace_exit ();
+#endif  /* DL_TRACE_ENABLED && !DL_IMMEDIATE_TRACE*/
+
+#ifdef FF_EM_MODE
+  em_dl_sem_exit();
+#endif /* FF_EM_MODE */
+
+  /*
+   * clean up communication
+   */
+#ifdef TI_PS_HCOMM_CHANGE
+#else /* for hCommHandles backward compatibility */
+  vsi_c_close (VSI_CALLER hCommDL);
+  hCommDL = VSI_ERROR;
+
+  vsi_c_close (VSI_CALLER hCommRR);
+  hCommRR = VSI_ERROR;
+
+  vsi_c_close (VSI_CALLER hCommPL);
+  hCommPL = VSI_ERROR;
+
+#ifdef FF_EM_MODE
+  vsi_c_close (VSI_CALLER hCommMMI);
+  hCommMMI = VSI_ERROR;
+#endif /* FF_EM_MODE */
+#endif
+
+  TRC_EXIT ();
+
+  return PEI_OK;
+}
+#endif /* _SIMULATION_ */
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)              MODULE  : DL_PEI              |
+| STATE   : code                       ROUTINE : pei_config          |
++--------------------------------------------------------------------+
+
+  PURPOSE : Dynamic Configuration
+
+*/
+
+/* Implements Measure#36 */
+#ifdef NCONFIG
+#else /* NCONFIG */
+LOCAL SHORT pei_config (T_PEI_CONFIG inString)
+{
+  return PEI_OK;
+}
+#endif /* NCONFIG */
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)              MODULE  : DL_PEI              |
+| STATE   : code                       ROUTINE : dl_pei_config       |
++--------------------------------------------------------------------+
+
+  PURPOSE : Dynamic Configuration
+
+*/
+/* Implements Measure#36 */
+#ifdef NCONFIG
+#else /* NCONFIG */
+GLOBAL T_PEI_RETURN dl_pei_config ( char * inString, char * dummy )
+{
+  return pei_config ( inString );
+}
+#endif /* NCONFIG */
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)              MODULE  : DL_PEI              |
+| STATE   : code                       ROUTINE : pei_monitor         |
++--------------------------------------------------------------------+
+
+  PURPOSE : Monitoring of physical Parameters
+
+*/
+
+LOCAL SHORT pei_monitor (void ** monitor)
+{
+  TRACE_FUNCTION ("pei_monitor()");
+
+/* Implements Measure#32: Row 50 */
+
+  * monitor = &dl_mon;
+
+  return PEI_OK;
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)              MODULE  : DL_PEI              |
+| STATE   : code                       ROUTINE : pei_create          |
++--------------------------------------------------------------------+
+
+  PURPOSE : Create the Protocol Stack Entity
+
+*/
+
+/*
+ * New Frame
+ */
+GLOBAL T_PEI_RETURN dl_pei_create (T_PEI_INFO **info)
+{
+  static const T_PEI_INFO pei_info =
+  {
+    "DL",
+    {
+      pei_init,
+#ifdef _SIMULATION_
+      pei_exit,
+#else
+      NULL,
+#endif
+      pei_primitive,
+      NULL,             /* no timeout function */
+      pei_signal,       /* signal function     */
+      NULL,             /* no run function     */
+/* Implements Measure#36 */
+#ifdef NCONFIG
+      NULL,             /* no pei_config function     */
+#else /* NCONFIG */
+      pei_config,
+#endif /* NCONFIG */
+      pei_monitor,
+    },
+    #if defined (GPRS)
+    1536,                             /* Stack Size incresed for omaps00140330      */
+    #else
+    #if defined (FAX_AND_DATA)
+    1536,                             /* Stack Size incresed for omaps00140330      */
+    #else
+    1394,                            /* Stack Size incresed for omaps00140330      */
+    #endif
+    #endif
+    10+DL_SIGNAL_DATA_ELEMENTS,     /* Queue Entries   */
+    215,                            /* Priority        */
+    0,                              /* number of timer */
+                                    /* flags           */
+#ifdef _TARGET_
+#ifdef GPRS
+    PASSIVE_BODY|COPY_BY_REF|TRC_NO_SUSPEND|PRIM_NO_SUSPEND
+#else
+    PASSIVE_BODY|COPY_BY_REF|TRC_NO_SUSPEND|PRIM_NO_SUSPEND
+#endif
+#else
+    PASSIVE_BODY|COPY_BY_REF
+#endif
+
+  };
+
+  TRACE_FUNCTION ("pei_create");
+  /*
+   *  Close Resources if open
+   */
+
+#ifdef _SIMULATION_
+  if (first_access)
+    first_access = FALSE;
+  else
+    pei_exit ();
+#endif
+
+  /*
+   * export startup configuration data
+   */
+  *info = (T_PEI_INFO *)&pei_info;
+  /*
+   *  Initialize entity data
+   */
+
+  /*
+   *  Initialize Condat Coder Decoder and
+   *  processes
+   */
+
+
+  return PEI_OK;
+}
+
+/*
++--------------------------------------------------------------------+
+| PROJECT : GSM-PS (6147)              MODULE  : DL_PEI              |
+| STATE   : code                       ROUTINE : pei_signal          |
++--------------------------------------------------------------------+
+
+  PURPOSE : Functional interface to signal a primitive.
+
+*/
+LOCAL SHORT pei_signal (T_SIGNAL_OPC opc, void *signal_data)
+{
+#ifdef TRACE_FKT
+  {
+    char buf[24];
+    sprintf(buf, "pei_signal (0x%lx)", (ULONG)opc);
+    TRACE_FUNCTION (buf);
+    PTRACE_IN(opc);
+  }
+#elif defined(_SIMULATION_)
+  TRACE_EVENT_WIN_P1 ("pei_signal (0x%lx)", (ULONG)opc);
+#endif
+
+  dl_process_signal ((ULONG)opc, signal_data);
+
+  return PEI_OK;
+}
+
+LOCAL int dl_process_signal (ULONG opc, void *signal_data)
+{
+  /*TRACE_FUNCTION ("pei_process_signal()");*/
+  GET_INSTANCE_DATA;
+  switch (opc)
+  {
+#if defined(DL_TRACE_ENABLED) && !defined (DL_IMMEDIATE_TRACE) && !defined(DL_2TO1)
+  case DL_TRACE_REQ:  /* RR -> DL */
+    SYST_TRACE("call dl_trace_read_all()");
+    dl_trace_read_all ();
+    break;
+  case PH_TRACE_IND:  /* ALR/TIL -> DL */
+    dl_trace_read ();
+    break;
+#endif  /* DL_TRACE_ENABLED && !DL_IMMEDIATE_TRACE &6 !DL_2TO1 */
+#if defined(INVOKE_SIGNAL)
+  case DL_SIGNAL_ESTABLISH_IND:
+    sig_handle_drr_dl_establish_ind ((T_DL_SIGNAL_DATA *) signal_data);
+    break;
+  case DL_SIGNAL_ESTABLISH_CNF:
+    sig_handle_drr_dl_establish_cnf ((T_DL_SIGNAL_DATA *) signal_data);
+    break;
+  case DL_SIGNAL_DATA_IND:
+    sig_handle_com_data_ind ((T_DL_SIGNAL_DATA *) signal_data);
+    break;
+  case DL_SIGNAL_DATA_CNF:
+    sig_handle_drr_dl_data_cnf ((T_DL_SIGNAL_DATA *) signal_data);
+    break;
+#if 0 /* happens in primitive context only */
+  case DL_SIGNAL_UNITDATA_IND:
+    sig_handle_drr_dl_unitdata_ind (dl_data, (T_DL_SIGNAL_DATA *) signal_data);
+    break;
+#endif  /* 0 */
+  case DL_SIGNAL_SHORT_UNITDATA_IND:
+    sig_handle_drr_dl_short_unitdata_ind ((T_DL_SIGNAL_DATA *) signal_data);
+    break;
+  case DL_SIGNAL_RELEASE_IND:
+    sig_handle_drr_dl_release_ind ((T_DL_SIGNAL_DATA *) signal_data);
+    break;
+  case DL_SIGNAL_RELEASE_CNF:
+    sig_handle_drr_dl_release_cnf ((T_DL_SIGNAL_DATA *) signal_data);
+    break;
+  case DL_SIGNAL_ERROR_IND:
+    sig_handle_drr_error_ind ((T_DL_SIGNAL_DATA *) signal_data);
+    break;
+  case DL_SIGNAL_FREE_POINTER:
+    sig_handle_com_free_pointer ((T_DL_SIGNAL_DATA *) signal_data);
+    break;
+  case DL_SIGNAL_CONCATENATE:
+    sig_handle_com_concatenate((T_DL_SIGNAL_DATA *) signal_data);
+    break;
+#if defined(DL_TRACE_ENABLED)
+  case DL_SIGNAL_L2TRACE:
+    sig_handle_com_l2trace ((T_DL_SIGNAL_DATA *) signal_data);
+    break;
+#endif /*DL_TRACE_ENABLED*/
+  case DL_SIGNAL_L3TRACE:
+    sig_handle_com_l3trace((T_DL_SIGNAL_DATA *) signal_data);
+    break;
+#if defined(FF_EM_MODE)
+  case DL_SIGNAL_EM_IND:
+    sig_handle_dl_em_first_event_check ();
+    break;
+  case DL_SIGNAL_EM_WRITE:
+    sig_handle_dl_em_write (dl_data, (T_DL_SIGNAL_DATA *) signal_data);
+    break;
+#if defined(_SIMULATION_)
+  case DL_SIGNAL_EM_READ:
+    {
+      T_MONITOR *dummy;
+
+      em_dl_sem_read ();
+      em_dl_sem_reset ();
+      pei_monitor (&dummy);
+      TRACE_EVENT_WIN (dummy->version);
+    }
+    break;
+#endif  /* _SIMULATION_ */
+#endif  /* FF_EM_MODE */
+#endif /* INVOKE_SIGNAL */
+  default:
+    break;
+  }
+
+#if defined(INVOKE_SIGNAL)
+  if (signal_data)
+  {
+    TRACE_EVENT_WIN_P1 ("pei_process_signal(): set data with idx=%u to FREE",
+      ((T_DL_SIGNAL_DATA *)signal_data)->idx);
+
+    ((T_DL_SIGNAL_DATA *)signal_data)->busy = FALSE;
+  }
+#endif /* INVOKE_SIGNAL */
+
+  return PEI_OK;
+}/* dl_process_signal */
+
+GLOBAL UBYTE * dl_get_sacch_buffer (void)
+{
+  GET_INSTANCE_DATA;
+  return dl_data->sacch_act_buffer.buf;
+}
+
+#endif  /* DL_PEI_C */