Ejemplo n.º 1
0
void addMemChipletFirRegs( ExtensibleChip * i_membChip, CaptureData & io_cd )
{
    #define PRDF_FUNC "[CenMbaCaptureData::addMemChipletFirRegs] "

    int32_t l_rc = SUCCESS;

    do
    {
        if ( NULL == i_membChip )
        {
            PRDF_ERR( PRDF_FUNC "Given target is NULL" );
            break;
        }

        if ( TYPE_MEMBUF != getTargetType(i_membChip->GetChipHandle()) )
        {
            PRDF_ERR( PRDF_FUNC "Invalid target type: i_membChip=0x%08x",
                      i_membChip->GetId() );
            break;
        }

        SCAN_COMM_REGISTER_CLASS * cs_global, * re_global, * spa_global;
        cs_global  = i_membChip->getRegister("GLOBAL_CS_FIR");
        re_global  = i_membChip->getRegister("GLOBAL_RE_FIR");
        spa_global = i_membChip->getRegister("GLOBAL_SPA");
        l_rc  = cs_global->Read() | re_global->Read() | spa_global->Read();
        if ( SUCCESS != l_rc )
        {
            PRDF_ERR( PRDF_FUNC "Failed to read a GLOBAL register on "
                      "0x%08x", i_membChip->GetId() );
            break;
        }

        // If global bit 3 is not on, can't scom mem chiplets or mba's
        if( ! (cs_global->IsBitSet(3) ||
               re_global->IsBitSet(3) ||
               spa_global->IsBitSet(3)) )
        {
            break;
        }

        i_membChip->CaptureErrorData(io_cd,
                                     Util::hashString("MemChipletRegs"));

        CenMembufDataBundle * membdb = getMembufDataBundle( i_membChip );

        for ( uint32_t i = 0; i < MAX_MBA_PER_MEMBUF; i++ )
        {
            ExtensibleChip * mbaChip = membdb->getMbaChip(i);
            if ( NULL == mbaChip )
            {
                PRDF_ERR( PRDF_FUNC "MEM_CHIPLET registers indicated an "
                          "attention but no chip found: i_membChip=0x%08x "
                          "i=%d", i_membChip->GetId(), i );
                continue;
            }

            mbaChip->CaptureErrorData(io_cd,
                                      Util::hashString("MemChipletRegs") );
        }

    } while (0);

    #undef PRDF_FUNC
}
Ejemplo n.º 2
0
/**
 * @brief Analysis code that is called before the main analyze() function.
 * @param i_mbChip A MEMBUF chip.
 * @param i_sc Step Code Data structure
 * @param o_analyzed TRUE if analysis has been done on this chip
 * @return failure or success
 */
int32_t PreAnalysis( ExtensibleChip * i_mbChip, STEP_CODE_DATA_STRUCT & i_sc,
                     bool & o_analyzed )
{
    #define PRDF_FUNC "[Membuf::PreAnalysis] "

    int32_t o_rc = SUCCESS;

    o_analyzed = false;

    // Get memory capture data.
    CaptureData & cd = i_sc.service_data->GetCaptureData();
    CenMembufDataBundle * mbdb = getMembufDataBundle( i_mbChip );
    ExtensibleChip * mcsChip = mbdb->getMcsChip();
    if ( NULL != mcsChip )
    {
        mcsChip->CaptureErrorData( cd, Util::hashString("FirRegs") );
        mcsChip->CaptureErrorData( cd, Util::hashString("CerrRegs") );

        CenMbaCaptureData::addMemChipletFirRegs( i_mbChip, cd );
    }

    // Check for a Centaur Checkstop
    do
    {
        // Skip if we're already analyzing a unit checkstop
        if ( i_sc.service_data->GetFlag(ServiceDataCollector::UNIT_CS) )
            break;

        // Skip if we're analyzing a special attention.
        // This is a required for a rare scenario when Centaur CS bit comes
        // up after attention has called PRD and PRD was still at start of
        // analysis.
        if ( SPECIAL == i_sc.service_data->GetAttentionType() )
            break;

        // MCIFIR[31] is not always reliable if the unit CS originated on the
        // Centaur. This is due to packets not getting forwarded to the MCS.
        // Instead, check for non-zero GLOBAL_CS_FIR.

        SCAN_COMM_REGISTER_CLASS * fir = i_mbChip->getRegister("GLOBAL_CS_FIR");
        o_rc = fir->Read();
        if ( SUCCESS != o_rc )
        {
            PRDF_ERR( PRDF_FUNC"Failed to read GLOBAL_CS_FIR on 0x%08x",
                      i_mbChip->GetId() );
            break;
        }

        if ( fir->BitStringIsZero() ) break; // No unit checkstop

        // Set Unit checkstop flag
        i_sc.service_data->SetFlag(ServiceDataCollector::UNIT_CS);
        i_sc.service_data->SetThresholdMaskId(0);

        // Set the cause attention type
        i_sc.service_data->SetCauseAttentionType(UNIT_CS);

    } while (0);

    return o_rc;

    #undef PRDF_FUNC
}