diff options
Diffstat (limited to 'src/usr/diag/prdf/common/framework/register/prdfErrorRegister.C')
| -rwxr-xr-x | src/usr/diag/prdf/common/framework/register/prdfErrorRegister.C | 47 |
1 files changed, 38 insertions, 9 deletions
diff --git a/src/usr/diag/prdf/common/framework/register/prdfErrorRegister.C b/src/usr/diag/prdf/common/framework/register/prdfErrorRegister.C index 848d3f56d..be4e8195e 100755 --- a/src/usr/diag/prdf/common/framework/register/prdfErrorRegister.C +++ b/src/usr/diag/prdf/common/framework/register/prdfErrorRegister.C @@ -5,7 +5,7 @@ /* */ /* OpenPOWER HostBoot Project */ /* */ -/* Contributors Listed Below - COPYRIGHT 2012,2014 */ +/* Contributors Listed Below - COPYRIGHT 2012,2015 */ /* [+] International Business Machines Corp. */ /* */ /* */ @@ -126,12 +126,12 @@ ErrorRegister::ErrorRegister( SCAN_COMM_REGISTER_CLASS & r, ResolutionMap & rm, /*---------------------------------------------------------------------*/ -int32_t ErrorRegister::Analyze(STEP_CODE_DATA_STRUCT & error) +int32_t ErrorRegister::Analyze( STEP_CODE_DATA_STRUCT & io_sdc ) { int32_t rc = SUCCESS; uint32_t l_savedErrSig = 0; - ErrorSignature * esig = error.service_data->GetErrorSignature(); + ErrorSignature * esig = io_sdc.service_data->GetErrorSignature(); if(xScrId == 0x0fff) { @@ -144,21 +144,50 @@ int32_t ErrorRegister::Analyze(STEP_CODE_DATA_STRUCT & error) // Get Data from hardware const BIT_STRING_CLASS &bs = - Read( error.service_data->GetCauseAttentionType() ); + Read( io_sdc.service_data->GetCauseAttentionType() ); BitKey bl; // null bit list has length 0 if ( scr_rc == SUCCESS ) { bl = Filter( bs ); - rc = SetErrorSignature( error,bl ); + rc = SetErrorSignature( io_sdc, bl ); // Save signature to determine if it changes during resolution // execution. l_savedErrSig = esig->getSigId(); } - uint32_t res_rc = Lookup(error, bl); // lookup and execute the resolutions - if(SUCCESS == rc) rc = res_rc; // previous rc has prioity over res_rc + // This loop will iterate through all bits in the bit list until an active + // attention is found. This is useful in the cases where a global or chiplet + // level FIR has multiple bits set, but the associated local FIRs may not + // have an active attention because of a filter or hardware bug. + uint32_t res_rc = SUCCESS; + BitKey analyzed_bl; // Keep track of bits that have been analyzed. + BitKey remaining_bl = bl; // Keep track of bits that need to be analyzed. + do + { + BitKey res_bl = remaining_bl; + BitKey tmp_bl = remaining_bl; + + // lookup and execute the resolutions + res_rc = Lookup( io_sdc, res_bl ); + + // Add the resolved bits to the analyzed list. + // TODO: RTC 126267 Should modify BitKey to have a more efficient way of + // adding bits to a list. + for ( uint32_t i = 0; i < res_bl.size(); i++ ) + analyzed_bl.setBit(res_bl.getListValue(i)); + + // Remove the resolved bits from the remaining list. + remaining_bl.removeBits(res_bl); + + // Make sure forward progress is made. + if ( tmp_bl == remaining_bl ) break; + + } while ( (PRD_SCAN_COMM_REGISTER_ZERO == res_rc) && + (0 != remaining_bl.size()) ); + + if ( SUCCESS == rc ) rc = res_rc; // previous rc has prioity over res_rc // If we had a DD02 and the signature changes, ignore DD02. if ( rc == PRD_SCAN_COMM_REGISTER_ZERO ) @@ -173,7 +202,7 @@ int32_t ErrorRegister::Analyze(STEP_CODE_DATA_STRUCT & error) if( scr_rc == SUCCESS ) { - FilterUndo( bl ); + FilterUndo( analyzed_bl ); // NOTE: This is an unusual work-a-round for NOT clearing // particular FIR bits in a register because they are cleared // in another part of the plugin code. @@ -185,7 +214,7 @@ int32_t ErrorRegister::Analyze(STEP_CODE_DATA_STRUCT & error) else { int32_t reset_rc; - reset_rc = Reset(bl,error); + reset_rc = Reset( analyzed_bl, io_sdc ); if( rc == SUCCESS ) rc = reset_rc; } } |
