FreeCalypso > hg > fc-tourmaline
view src/g23m-gprs/gmm/gmm_txs.c @ 268:f2e52cab0a73
abb_inth.c: check all interrupt causes, not just one
The original code used if - else if - else if etc constructs, thus
the first detected interrupt was the only one handled. However,
Iota ITSTATREG is a clear-on-read register, thus if we only handle
the first detected interrupt and skip checking the others, then the
other interrupts will be lost, if more than one interrupt happened
to occur in one ABB interrupt handling cycle - a form of rare race
condition. Change the code to check all interrupts that were read
in this cycle.
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Sun, 13 Jun 2021 18:17:53 +0000 |
parents | fa8dc04885d8 |
children |
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/* +----------------------------------------------------------------------------- | Project : GPRS (8441) | Modul : gmm_txs.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 modul is part of the entity GMM and implements all | functions to handles the incoming process internal signals as | described in the SDL-documentation (TX-statemachine) +----------------------------------------------------------------------------- */ #ifndef GMM_TXS_C #define GMM_TXS_C #endif #define ENTITY_GMM /*==== INCLUDES =============================================================*/ #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 "ccdapi.h" /* to get CCD API */ #include "cnf_gmm.h" /* to get cnf-definitions */ #include "mon_gmm.h" /* to get mon-definitions */ #include "prim.h" /* to get the definitions of used SAP and directions */ #include "gmm.h" /* to get the global entity definitions */ #include "gmm_txf.h" /* to get the local funktions */ /*==== CONST ================================================================*/ /*==== LOCAL VARS ===========================================================*/ /*==== PRIVATE FUNCTIONS ====================================================*/ /*==== PUBLIC FUNCTIONS =====================================================*/ /* +------------------------------------------------------------------------------ | Function : sig_kern_tx_data_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_KERN_TX_DATA_REQ | | Parameters : void | +------------------------------------------------------------------------------ */ GLOBAL void sig_kern_tx_data_req ( T_TLLI_TYPE tlli_type, UBYTE msg_type ) { TRACE_ISIG( "sig_kern_tx_data_req" ); tx_unitdata_req ( tlli_type, msg_type ); } /* sig_kern_tx_data_req() */ /* +------------------------------------------------------------------------------ | Function : sig_rx_tx_data_req +------------------------------------------------------------------------------ | Description : Handles the internal signal SIG_KERN_TX_DATA_REQ | | Parameters : void | +------------------------------------------------------------------------------ */ GLOBAL void sig_rx_tx_data_req ( T_TLLI_TYPE tlli_type, UBYTE msg_type ) { TRACE_ISIG( "sig_rx_tx_data_req" ); #ifdef _SIMULATION_ switch ( msg_type ) { case ATTACH_REQUEST: TRACE_EVENT ( " send: ATTACH_REQUEST");break; case ATTACH_ACCEPT: TRACE_EVENT ( " send: ATTACH_ACCEPT");break; case ATTACH_COMPLETE: TRACE_EVENT ( " send: ATTACH_COMPLETE");break; case ATTACH_REJECT: TRACE_EVENT ( " send: ATTACH_REJECT");break; case D_DETACH_REQUEST: TRACE_EVENT ( " send: DETACH_REQUEST");break; case D_DETACH_ACCEPT: TRACE_EVENT ( " send: DETACH_ACCEPT");break; case ROUTING_AREA_UPDATE_REQUEST: TRACE_EVENT ( " send: RAU_REQUEST");break; case ROUTING_AREA_UPDATE_ACCEPT: TRACE_EVENT ( " send: RAU_ACCEPT");break; case ROUTING_AREA_UPDATE_COMPLETE: TRACE_EVENT ( " send: RAU_COMPLETE");break; case ROUTING_AREA_UPDATE_REJECT: TRACE_EVENT ( " send: RAU_REJ");break; case P_TMSI_REALLOCATION_COMMAND: TRACE_EVENT ( " send: P_TMSI_REALLOCATION_COMMAND");break; case P_TMSI_REALLOCATION_COMPLETE: TRACE_EVENT ( " send: P_TMSI_REALLOCATION_COMPLETE");break; case AUTHENTICATION_AND_CIPHERING_REQUEST: TRACE_EVENT ( " send: AUTHENTICATION_AND_CIPHERING_REQUEST");break; case AUTHENTICATION_AND_CIPHERING_RESPONSE: TRACE_EVENT ( " send: ATTACH_REQUEST");break; case AUTHENTICATION_AND_CIPHERING_REJECT: TRACE_EVENT ( " send: AUTHENTICATION_AND_CIPHERING_REJECT");break; case IDENTITY_REQUEST: TRACE_EVENT ( " send: IDENTITY_REQUEST");break; case IDENTITY_RESPONSE: TRACE_EVENT ( " send: IDENTITY_RESPONSE");break; case GMM_STATUS: TRACE_EVENT ( " send: GMM_STATUS");break; case GMM_INFORMATION: TRACE_EVENT ( " send: GMM_INFORMATION");break; default: break; } #endif /* _SIMULATION_ */ tx_unitdata_req ( tlli_type, msg_type ); } /* sig_rx_tx_data_req() */