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view src/cs/services/dar/dar_emergency.c @ 175:717f87d300ae
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| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Tue, 19 Jan 2021 03:24:01 +0000 |
| parents | 4e78acac3d88 |
| children |
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/****************************************************************************/ /* */ /* File Name: dar_emergency.c */ /* */ /* Purpose: This function is called when the DAR entity has detected */ /* an emergency ( Error or exception) */ /* */ /* */ /* Version 0.1 */ /* */ /* Date Modification */ /* ------------------------------------ */ /* 17 October 2001 Create */ /* */ /* Author Stephanie Gerthoux */ /* */ /* (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved*/ /****************************************************************************/ #include "rv/rv_defined_swe.h" #ifdef RVM_DAR_SWE /* ************************************************ */ /* THE DAR ENTITY IS ENABLED */ /* ************************************************ */ #include <string.h> #include "rvm/rvm_gen.h" #include "dar/dar_api.h" #include "dar/dar_macro_i.h" #include "dar/dar_messages_i.h" #include "dar/dar_const_i.h" #include "dar/dar_diagnose_i.h" #include "dar/dar_msg_ft.h" #ifndef _WINDOWS #include "timer/timer.h" #endif /**** Global variable ****/ /* index used in the circular buffer*/ extern UINT16 dar_current_index; /* Write buffer*/ extern char dar_write_buffer[DAR_MAX_BUFFER_SIZE]; /* Get the dar current status */ extern T_DAR_RECOVERY_STATUS dar_current_status; /* Get the dar exception status */ extern UINT8 dar_exception_status; /* Define a pointer to the Global Environment Control block */ extern T_DAR_ENV_CTRL_BLK *dar_gbl_var_p; /* Define the recovery buffer */ extern UINT8 dar_recovery_buffer[DAR_RECOVERY_DATA_MAX_BUFFER_SIZE]; /* Ram buffer that contains the Debug Unit register */ extern UINT32 debug_RAM[DEBUG_UNIT_WORD_SIZE]; /**** Extern functions ****/ extern void * dar_read_mbox (UINT8 mbox); extern void exception(void); /********************************************************************************/ /* */ /* Function Name: dar_process_emergency */ /* */ /* Purpose: This function is called to process emergency data and to store */ /* them in RAM buffer when an emergency has been detected */ /* */ /* */ /* Input Parameters: */ /* Pointer to the message to store */ /* Data Format, ( the Binary format is not supported) */ /* Data Use Id, */ /* Flags */ /* */ /* Output Parameters: */ /* Validation of the diagnose execution. */ /* */ /* */ /* */ /* Revision History: */ /* None. */ /* */ /********************************************************************************/ T_RV_RET dar_process_emergency( T_DAR_INFO *buffer_p, T_DAR_FORMAT format, T_RVM_USE_ID dar_use_id, UINT32 flags) { /* Declare local variables */ UINT32 i = 0; UINT32 length = 0; T_RV_HDR *msg_p = ( T_RV_HDR*) dar_read_mbox(DAR_MBOX); /**** Update the DAR recovery status ****/ dar_current_status = DAR_EMERGENCY_SCUTTLING; /**** Empty the mail box before the reset of the system ****/ while(msg_p != NULL) { /* If it's a Write message, store it in the RAM */ /* ( it is not interesting to store filter message ) */ if ((msg_p->msg_id) == DAR_WRITE_REQ) { /* store the message in the RAM*/ dar_write_data_in_buffer((T_DAR_WRITE_START *)msg_p); } /* free the Header of the message */ rvf_free_buf((T_RVF_BUFFER *) msg_p); /* Read the next message */ msg_p = ( T_RV_HDR*) dar_read_mbox(DAR_MBOX); } /* while (msg_p != NULL) */ /**** Store emergency data in RAM buffer ****/ /* Diagnose string length */ length = (UINT16) strlen(buffer_p); /**** Check if the DAR entity is started ****/ if (dar_gbl_var_p != NULL ) { /* Data format */ dar_gbl_var_p->format = format; } if ( flags & DAR_NEW_ENTRY ) { /** Circular buffer to store data **/ /* Add 0xFF to separate 2 strings */ dar_write_buffer[dar_current_index] = 0xF; DAR_PLUS_PLUS(dar_current_index); /* to detected if it is the end of the buffer */ dar_write_buffer[dar_current_index] = 0xF; DAR_PLUS_PLUS(dar_current_index); /* to detected if it is the end of the buffer */ /* The group_nb is 16 bit length, and the buffer is an UINT8 length */ /* So the group_nb must be stocked by dividing it in 2 parts */ dar_write_buffer[dar_current_index] = ((dar_use_id>>16)& 0x7FFF)>>8; /*add the 8 first bits of the Use id group*/ DAR_PLUS_PLUS(dar_current_index); dar_write_buffer[dar_current_index] = (dar_use_id>>16)& 0x7FFF; /*add the 8 last bits of the Use id group*/ DAR_PLUS_PLUS(dar_current_index); /* The mask is 16 bit length, and the buffer is an UINT8 length */ /* So the mask must be stocked by dividing it in 2 parts */ dar_write_buffer[dar_current_index] = ((dar_use_id)&0xFFFF)>>8; /* add the 8 first bits of the Use id mask */ DAR_PLUS_PLUS(dar_current_index); dar_write_buffer[dar_current_index] = (dar_use_id)&0xFFFF; /* add the 8 last bits of the Use id mask */ DAR_PLUS_PLUS(dar_current_index); /* Add the dar_level data */ dar_write_buffer[dar_current_index] = DAR_ERROR; DAR_PLUS_PLUS(dar_current_index); } /* circular buffer to store diagnose data in RAM buffer */ for (i=0; i < length; i++ ) { /* copy string in the RAM char by char*/ dar_write_buffer[dar_current_index]=buffer_p[i]; /* detection of the end of the buffer */ /* When current = DAR_MAX_BUFFER_SIZE , current = 0 */ DAR_PLUS_PLUS(dar_current_index); } /* DAR information is redirected to standard trace */ //DAR_SEND_TRACE("Circular buffer :",RV_TRACE_LEVEL_ERROR); //rvf_send_trace(buffer_p, length, NULL_PARAM, RV_TRACE_LEVEL_ERROR, DAR_USE_ID); /* Trace the buffer (used for debug) */ rvf_delay(RVF_MS_TO_TICKS(1000)); /**** Check if the DAR entity is started ****/ if (dar_gbl_var_p != NULL ) { if (dar_gbl_var_p->entity_dar_callback != NULL ) { /* Call the MMI callback function to save some parameters before reset */ dar_gbl_var_p->entity_dar_callback(dar_recovery_buffer,DAR_RECOVERY_DATA_MAX_BUFFER_SIZE); } } /* The system is reset if requested */ if ( flags & DAR_EMERGENCY_RESET ) { dar_reset(); } return(RV_OK); } /* dar_process_emergency */ /********************************************************************************/ /* */ /* Function Name: dar_exception_arm_undefined */ /* */ /* Purpose: This function is called to process ARM undefined instruction */ /* exception and to store this exception in the RAM buffer */ /* */ /* Input Parameters: */ /* None */ /* */ /* Output Parameters: */ /* Validation of the diagnose execution. */ /* */ /* */ /* */ /* Revision History: */ /* None. */ /* */ /********************************************************************************/ void dar_exception_arm_undefined(void) { /* Declare local variables */ T_DAR_INFO *buffer_p= " DAR Emergency exception : ARM undefined ";/*exception data to store*/ /* Update the DAR recovery status */ dar_current_status = DAR_EMERGENCY_SCUTTLING; /* Update the DAR exception status */ dar_exception_status = DAR_EXCEPTION_UNDEFINED; /* Empty the mail box and store data in RAM buffer */ dar_empty_mb_and_save_data(buffer_p); /* Check if the DAR entity is started */ if (dar_gbl_var_p != NULL ) { if (dar_gbl_var_p->entity_dar_callback != NULL) { /* Call the MMI callback function to save some parameters before reset */ dar_gbl_var_p->entity_dar_callback(dar_recovery_buffer,DAR_RECOVERY_DATA_MAX_BUFFER_SIZE); } } #ifndef _WINDOWS /* branch to "exception" defined in the int.s*/ exception(); #endif } /* dar_exception_arm_undefined */ /********************************************************************************/ /* */ /* Function Name: dar_exception_arm_swi */ /* */ /* Purpose: This function is called to process ARM SW Interrupt exception */ /* and to store this exception in the RAM buffer */ /* */ /* Input Parameters: */ /* None */ /* */ /* Output Parameters: */ /* Validation of the diagnose execution. */ /* */ /* */ /* */ /* Revision History: */ /* None. */ /* */ /********************************************************************************/ void dar_exception_arm_swi(void) { /* Declare local variables */ T_DAR_INFO *buffer_p= " DAR Emergency exception : ARM SWI ";/*exception data to store*/ /* Update the DAR recovery status */ dar_current_status = DAR_EMERGENCY_SCUTTLING; /* Update the DAR exception status */ dar_exception_status = DAR_EXCEPTION_SWI; /* Empty the mail box and store data in RAM buffer */ dar_empty_mb_and_save_data(buffer_p); /* Check if the DAR entity is started */ if (dar_gbl_var_p != NULL ) { if ( dar_gbl_var_p->entity_dar_callback != NULL) { /* Call the MMI callback function to save some parameters before reset */ dar_gbl_var_p->entity_dar_callback(dar_recovery_buffer,DAR_RECOVERY_DATA_MAX_BUFFER_SIZE); } } #ifndef _WINDOWS /* branch to "exception" defined in the int.s*/ exception(); #endif } /* dar_exception_arm_swi */ /********************************************************************************/ /* */ /* Function Name: dar_exception_arm_abort_prefetch */ /* */ /* Purpose: This function is called to process ARM abort prefetch exception */ /* and to store this exception in the RAM buffer */ /* */ /* Input Parameters: */ /* None */ /* */ /* Output Parameters: */ /* Validation of the diagnose execution. */ /* */ /* */ /* */ /* Revision History: */ /* None. */ /* */ /********************************************************************************/ void dar_exception_arm_abort_prefetch(void) { #ifndef _WINDOWS /* Local variable */ UINT8 i; #endif #if ((CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12)) /* Debug unit pointer */ volatile UINT32 *debug_register_p; #endif /* Declare local variables */ T_DAR_INFO *buffer_p = " DAR Emergency exception : ARM abort prefetch";/*exception data to store*/ /* Update the DAR recovery status */ dar_current_status = DAR_EMERGENCY_SCUTTLING; /* Update the DAR exception status */ dar_exception_status = DAR_EXCEPTION_PREFETCH_ABORT; /* Empty the mail box and store data in RAM buffer */ dar_empty_mb_and_save_data(buffer_p); /* Check if the DAR entity is started */ if (dar_gbl_var_p != NULL ) { if (dar_gbl_var_p->entity_dar_callback != NULL) { /* Call the MMI callback function to save some parameters before reset */ dar_gbl_var_p->entity_dar_callback(dar_recovery_buffer,DAR_RECOVERY_DATA_MAX_BUFFER_SIZE); } } #if ((CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12)) /* Initialize the adress of the Debug Unit pointer */ debug_register_p = (volatile UINT32*) DAR_DEBUG_UNIT_REGISTER; #endif #ifndef _WINDOWS #if ((CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12)) /* Save the Debug Unit into the RAM */ for (i=0; i<DEBUG_UNIT_WORD_SIZE; i++ ) { debug_RAM[i] = *debug_register_p; debug_register_p++; } #endif /* branch to "exception" defined in the int.s*/ exception(); #endif } /* dar_exception_arm_abort_prefetch */ /********************************************************************************/ /* */ /* Function Name: dar_exception_arm_abort_data */ /* */ /* Purpose: This function is called to process ARM abort data exception */ /* and to store this exception in the RAM buffer */ /* */ /* Input Parameters: */ /* None */ /* */ /* Output Parameters: */ /* Validation of the diagnose execution. */ /* */ /* */ /* */ /* Revision History: */ /* None. */ /* */ /********************************************************************************/ void dar_exception_arm_abort_data(void) { #ifndef _WINDOWS /* Local variable */ UINT8 i; #endif #if ((CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12)) /* Debug unit pointer */ volatile UINT32 *debug_register_p; #endif /* Declare local variables */ T_DAR_INFO *buffer_p= " DAR Emergency exception : ARM abort data";/*exception data to store*/ /* Update the DAR recovery status */ dar_current_status = DAR_EMERGENCY_SCUTTLING; /* Update the DAR exception status */ dar_exception_status = DAR_EXCEPTION_DATA_ABORT; /* Empty the mail box and store data in RAM buffer */ dar_empty_mb_and_save_data(buffer_p); /* Check if the DAR entity is started */ if (dar_gbl_var_p != NULL ) { if (dar_gbl_var_p->entity_dar_callback != NULL) { /* Call the MMI callback function to save some parameters before reset */ dar_gbl_var_p->entity_dar_callback(dar_recovery_buffer,DAR_RECOVERY_DATA_MAX_BUFFER_SIZE); } } #if ((CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12)) /* Initialize the adress of the Debug Unit pointer */ debug_register_p = (volatile UINT32*) DAR_DEBUG_UNIT_REGISTER; #endif #ifndef _WINDOWS #if ((CHIPSET == 7) || (CHIPSET == 8) || (CHIPSET == 10) || (CHIPSET == 11) || (CHIPSET == 12)) /* Save the Debug Unit into the RAM */ for (i=0; i<DEBUG_UNIT_WORD_SIZE; i++ ) { debug_RAM[i] = *debug_register_p; debug_register_p++; } #endif /* branch to "exception" defined in the int.s*/ exception(); #endif } /* dar_exception_arm_abort_data */ /********************************************************************************/ /* */ /* Function Name: dar_exception_arm_reserved */ /* */ /* Purpose: This function is called to process ARM exception */ /* and to store this exception in the RAM buffer */ /* */ /* Input Parameters: */ /* None */ /* */ /* Output Parameters: */ /* Validation of the diagnose execution. */ /* */ /* */ /* */ /* Revision History: */ /* None. */ /* */ /********************************************************************************/ void dar_exception_arm_reserved(void) { /* Declare local variables */ T_DAR_INFO *buffer_p= " DAR Emergency exception : ARM reserved";/*exception data to store*/ /* Update the DAR recovery status */ dar_current_status = DAR_EMERGENCY_SCUTTLING; /* Update the DAR exception status */ dar_exception_status = DAR_EXCEPTION_RESERVED; /* Empty the mail box and store data in RAM buffer */ dar_empty_mb_and_save_data(buffer_p); /* Check if the DAR entity is started */ if (dar_gbl_var_p != NULL ) { if (dar_gbl_var_p->entity_dar_callback != NULL) { /* Call the MMI callback function to save some parameters before reset */ dar_gbl_var_p->entity_dar_callback(dar_recovery_buffer,DAR_RECOVERY_DATA_MAX_BUFFER_SIZE); } } #ifndef _WINDOWS /* branch to "exception" defined in the int.s*/ exception(); #endif } /* dar_exception_arm_reserved */ /********************************************************************************/ /* */ /* Function Name: dar_exception */ /* */ /* Purpose: This function is called to vector exceptions to the correct */ /* handler */ /* */ /* Input Parameters: */ /* abort type which come from int.s ( -> magic number) */ /* */ /* Output Parameters: */ /* Validation of the diagnose execution. */ /* */ /* */ /* */ /* Revision History: */ /* None. */ /* */ /********************************************************************************/ void dar_exception(int abort_type) { switch (abort_type) { /* magic numbers come from int.s There is no way to make compiler derived * constants out of them */ case 1: dar_exception_arm_undefined(); break; case 2: dar_exception_arm_swi(); break; case 3: dar_exception_arm_abort_prefetch(); break; case 4: dar_exception_arm_abort_data(); break; case 5: dar_exception_arm_reserved(); break; } } /* dar_exception */ #else /* ************************************************ */ /* THE DAR ENTITY IS DISABLED */ /* ************************************************ */ void dar_exception(int abort_type) { #ifndef _WINDOWS /* branch to "exception" defined in the int.s*/ exception(); #endif } /* dar_exception */ #endif /* #ifdef RVM_DAR_SWE */