FreeCalypso > hg > freecalypso-sw
view gsm-fw/L1/cfile/l1_api_hisr.c @ 923:10b4bed10192
gsm-fw/L1: fix for the DSP patch corruption bug
The L1 code we got from the LoCosto fw contains a feature for DSP CPU load
measurement. This feature is a LoCosto-ism, i.e., not applicable to earlier
DBB chips (Calypso) with their respective earlier DSP ROMs. Most of the
code dealing with that feature is conditionalized as #if (DSP >= 38),
but one spot was missed, and the MCU code was writing into an API word
dealing with this feature. In TCS211 this DSP API word happens to be
used by the DSP code patch, hence that write was corrupting the patched
DSP code.
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
---|---|
date | Mon, 19 Oct 2015 17:13:56 +0000 |
parents | 32f7494783db |
children |
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/************* Revision Controle System Header ************* * GSM Layer 1 software * L1_API_HISR.C * * Filename l1_api_hisr.c * Copyright 2003 (C) Texas Instruments * ************* Revision Controle System Header *************/ #include "config.h" #include "l1_confg.h" #include "../../nucleus/nucleus.h" #include "sys_types.h" #include "l1_types.h" #include "l1audio_cust.h" #include "l1audio_defty.h" #include "l1audio_const.h" #include "l1_const.h" #include "../../gpf/inc/cust_os.h" #include "l1tm_defty.h" #if (L1_GTT == 1) #include "l1gtt_const.h" #include "l1gtt_defty.h" #endif #if (L1_MP3 == 1) #include "l1mp3_const.h" #include "l1mp3_signa.h" #include "l1mp3_defty.h" #include "l1mp3_proto.h" #endif #if (L1_MIDI == 1) #include "l1midi_const.h" #include "l1midi_signa.h" #include "l1midi_defty.h" #include "l1midi_proto.h" #endif #if (L1_AAC == 1) #include "l1aac_const.h" #include "l1aac_signa.h" #include "l1aac_defty.h" #include "l1aac_proto.h" #endif #if (L1_DYN_DSP_DWNLD==1) #include "l1_dyn_dwl_defty.h" #include "l1_dyn_dwl_msgty.h" #include "l1_dyn_dwl_const.h" #include "l1_dyn_dwl_signa.h" #include "l1_dyn_dwl_error.h" #include "l1_dyn_dwl_proto.h" #include "l1_api_hisr.h" #endif #include "l1_defty.h" #include "l1_api_hisr.h" #include "l1audio_signa.h" #include "l1_varex.h" #include "l1_macro.h" #include "../../bsp/mem.h" /*-------------------------------------------------------------*/ /* l1_api_handler() */ /*-------------------------------------------------------------*/ /* */ /* Parameters : none */ /* */ /* Return : n/a */ /* */ /* Description : API interrupt handler, multiplexed for: */ /* 1) audio sources: MP3 or AAC */ /* 2) modem sources: USF */ /* */ // The API Interrupt is multiplexed between (DYN DWNLD, MP3 ,AAC) and FAST USF. // DYN DWNLD, MP3 and AAC are mutually exclusive and hence only one would be // active at one time. But FAST USF would co-exist with any of the them and hence // there needs to be a way to distinguish the two sources of the API Interrupt. A flag // d_dsp_hint_flag is used by the DSP to signify the source of the interrupt. The bit // configuration of d_dsp_hint_flag is // 15 14 13 12 | 11 10 9 8 | 7 6 5 4 | 3 2 1 0 // | |____> Fast USF // |______> (DYN DWNLD, MP3, AAC) void l1_api_handler() { #if (FF_L1_IT_DSP_USF == 1) || (FF_L1_IT_DSP_DTX == 1) || (FF_L1_FAST_DECODING == 1) extern NU_HISR api_modemHISR; #endif #if ( (L1_MP3 == 1) || (L1_AAC == 1) || (L1_MIDI == 1) || (L1_DYN_DSP_DWNLD == 1) ) extern NU_HISR apiHISR; #endif #if (FF_L1_IT_DSP_USF == 1) || (FF_L1_IT_DSP_DTX == 1) || (FF_L1_FAST_DECODING == 1) #if (FF_L1_FAST_DECODING == 1) if (l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag & (1 << B_FAST_DECODING_FLAG)) { // Flag HISR to be scheduled l1a_apihisr_com.fast_decoding.pending = TRUE; // Clear API ISR condition l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag &= ~(1 << B_FAST_DECODING_FLAG); l1a_apihisr_com.fast_decoding.crc_error = l1s_dsp_com.dsp_ndb_ptr->d_fast_paging_data & (C_FAST_DECODING_CRC_FIRE1); NU_Activate_HISR(&api_modemHISR); // activate API modem HISR } #endif /* FF_L1_FAST_DECODING */ #if (FF_L1_IT_DSP_USF == 1) if (l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag & (1 << B_USF_HINT_ISSUED)) { // Flag HISR to be scheduled l1a_apihisr_com.usf.pending = TRUE; // Clear API ISR condition l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag &= ~(1 << B_USF_HINT_ISSUED); NU_Activate_HISR(&api_modemHISR); // activate API modem HISR } #endif //(FF_L1_IT_DSP_USF == 1) #if (FF_L1_IT_DSP_DTX == 1) if ((l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag & 0x4 ) != 0) // DTX interrupt set by 3rd bit position from left { // Flag HISR to be scheduled l1a_apihisr_com.dtx.pending = TRUE; // Clear API ISR condition l1s_dsp_com.dsp_ndb_ptr->d_dsp_hint_flag &= 0xFB; //reset the 3rd bit position NU_Activate_HISR(&api_modemHISR); // activate API modem HISR } #endif //(FF_L1_IT_DSP_DTX == 1) // Call the API HISR when MP3, AAC, DYN DWNLD comes #if ( (L1_MP3 == 1) || (L1_MIDI == 1) || (L1_AAC == 1) || (L1_DYN_DSP_DWNLD == 1) ) if (l1s_dsp_com.dsp_ndb_ptr->d_dsp_aud_hint_flag & (1 << B_NON_USF_HINT_ISSUED)) { // Clear API ISR condition l1s_dsp_com.dsp_ndb_ptr->d_dsp_aud_hint_flag = 0; //Activate the API HISR NU_Activate_HISR(&apiHISR); } #endif // (L1_MP3 == 1) || (L1_MIDI == 1) || (L1_DYN_DSP_DWNLD == 1) #endif //(FF_L1_IT_DSP_USF == 1) || //(FF_L1_IT_DSP_DTX == 1) //When Fast USF is not enabled, then the API HISR needs to be called every time the DSP //sends a HINT interrupt. #if (!FF_L1_IT_DSP_USF) && (!FF_L1_IT_DSP_DTX) #if ( (L1_MP3 == 1) || (L1_MIDI == 1) || (L1_AAC == 1) || (L1_DYN_DSP_DWNLD == 1) ) NU_Activate_HISR(&apiHISR); #endif #endif //NU_Activate_HISR(&apiHISR); //hack remove return; } /*-------------------------------------------------------------*/ /* api_hisr() */ /*-------------------------------------------------------------*/ /* */ /* Parameters : none */ /* */ /* Return : n/a */ /* */ /* Description : main function dealing with DSP->MCU interrupt */ /* */ /*-------------------------------------------------------------*/ void api_hisr(void) { #if (L1_MP3 == 1) if(l1a_apihisr_com.mp3.running==TRUE) { l1mp3_apihisr(); } #endif #if (L1_MIDI == 1) if(l1_apihisr.midi.running==TRUE) { l1midi_apihisr(); } #endif #if (L1_AAC == 1) if(l1a_apihisr_com.aac.running==TRUE) { l1aac_apihisr(); } #endif #if (L1_DYN_DSP_DWNLD == 1) if( l1_apihisr.dyn_dwnld.running == TRUE ) { l1_dyn_dwnld_apihisr(); } #endif } /*-------------------------------------------------------------*/ /* api_modem_hisr() */ /*-------------------------------------------------------------*/ /* */ /* Parameters : none */ /* */ /* Return : n/a */ /* */ /* Description : main function dealing with DSP->MCU interrupt */ /* */ /*-------------------------------------------------------------*/ void api_modem_hisr(void) { #if (FF_L1_FAST_DECODING == 1) if(l1a_apihisr_com.fast_decoding.pending == TRUE) { extern void l1_fast_decoding_apihisr(void); l1_fast_decoding_apihisr(); } #endif /* FF_L1_FAST_DECODING */ #if (FF_L1_IT_DSP_USF == 1) if(l1a_apihisr_com.usf.pending == TRUE) { extern void l1usf_apihisr(void); l1usf_apihisr(); } #endif #if (FF_L1_IT_DSP_DTX == 1) if(l1a_apihisr_com.dtx.pending == TRUE) { extern void l1dtx_apihisr(void); l1dtx_apihisr(); } #endif } /*-------------------------------------------------------------*/ /* l1_trigger_api_interrupt() */ /*-------------------------------------------------------------*/ /* */ /* Parameters : none */ /* */ /* Return : n/a */ /* */ /* Description : Trigger an MCU->DSP interrupt */ /* */ /*-------------------------------------------------------------*/ void l1_trigger_api_interrupt() { #if (CODE_VERSION == SIMULATION) extern void sim_it_mcu_to_dsp(); sim_it_mcu_to_dsp(); #else #if (L1_DYN_DSP_DWNLD == 1) *((volatile UWORD32 *)MEM_APIC_REG)|=ID_API_INT; #else *((volatile UWORD32 *)MEM_APIC_REG)|=0x4; #endif #endif }