Exemplo n.º 1
0
// ------------------------------------------------------------------
// Fake readPNOR - image is in memory
// ------------------------------------------------------------------
errlHndl_t readPNOR ( uint64_t i_byteAddr,
                      size_t i_numBytes,
                      void * o_data,
                      TARGETING::Target * i_target,
                      pnorInformation & i_pnorInfo,
                      uint64_t &io_cachedAddr,
                      mutex_t * i_mutex )
{
    errlHndl_t err = NULL;
    int64_t vpdLocation = 0;
    uint64_t addr = 0x0;
    const char * readAddr = NULL;

    TRACSSCOMP( g_trac_vpd,
                ENTER_MRK"RT fake readPNOR()" );

    do
    {
        // fake getPnorAddr gets memory address of VPD
        err = getPnorAddr(i_pnorInfo,
                          io_cachedAddr,
                          i_mutex );
        if(err)
        {
            break;
        }

        addr = io_cachedAddr;

        err = getVpdLocation( vpdLocation,
                              i_target);

        if(err)
        {
            break;
        }

        // Add Offset for target vpd location
        addr += (vpdLocation * i_pnorInfo.segmentSize);

        // Add keyword offset
        addr += i_byteAddr;

        TRACUCOMP( g_trac_vpd,
                   INFO_MRK"Address to read: 0x%08x",
                   addr );

        readAddr = reinterpret_cast<const char *>( addr );
        memcpy( o_data,
                readAddr,
                i_numBytes );
    } while(0);

    TRACSSCOMP( g_trac_vpd,
                EXIT_MRK"RT fake readPNOR()" );

    return err;
}
Exemplo n.º 2
0
// ------------------------------------------------------------------
// writePNOR
// ------------------------------------------------------------------
errlHndl_t writePNOR ( uint64_t i_byteAddr,
                       size_t i_numBytes,
                       void * i_data,
                       TARGETING::Target * i_target,
                       pnorInformation & i_pnorInfo,
                       uint64_t &io_cachedAddr,
                       mutex_t * i_mutex )
{
    errlHndl_t err = NULL;
    int64_t vpdLocation = 0;
    uint64_t addr = 0x0;
    const char * writeAddr = NULL;

    TRACSSCOMP( g_trac_vpd,
                ENTER_MRK"writePNOR()" );

    do
    {
        // Check if we have the PNOR addr cached.
        if( 0x0 == io_cachedAddr )
        {
            err = getPnorAddr( i_pnorInfo,
                               io_cachedAddr,
                               i_mutex );

            if( err )
            {
                break;
            }
        }
        addr = io_cachedAddr;

        // Find vpd location of the target
        err = getVpdLocation( vpdLocation,
                              i_target );

        if( err )
        {
            break;
        }

        // Offset cached address by vpd location multiplier
        addr += (vpdLocation * i_pnorInfo.segmentSize);

        // Now offset into that chunk of data by i_byteAddr
        addr += i_byteAddr;

        //TODO: Validate write is within bounds of appropriate PNOR
        //   partition/section.   RTC: 51807

        TRACUCOMP( g_trac_vpd,
                   INFO_MRK"Address to write: 0x%08x",
                   addr );

        // Write the data
        writeAddr = reinterpret_cast<const char*>( addr );
        memcpy( (void*)(writeAddr),
                i_data,
                i_numBytes );

        // @todo RTC:117042 - enable flush once PNOR writes supported
        // Flush the page to make sure it gets to the PNOR
#if 0
        int rc = mm_remove_pages( FLUSH, (void*)addr, i_numBytes );
        if( rc )
        {
            TRACFCOMP(g_trac_vpd,ERR_MRK"writePNOR() Error from mm_remove_pages, rc=%d",rc);
            /*@
             * @errortype
             * @moduleid     VPD_WRITE_PNOR
             * @reasoncode   VPD_REMOVE_PAGES_FAIL
             * @userdata1    Requested Address
             * @userdata2    rc from mm_remove_pages
             * @devdesc      writePNOR mm_remove_pages FLUSH failed
             */
            err = new ERRORLOG::ErrlEntry(
                            ERRORLOG::ERRL_SEV_UNRECOVERABLE,
                            VPD_WRITE_PNOR,
                            VPD_REMOVE_PAGES_FAIL,
                            addr,
                            TO_UINT64(rc),
                            true /*Add HB Software Callout*/ );
        }
#endif
    } while( 0 );

    TRACSSCOMP( g_trac_vpd,
                EXIT_MRK"writePNOR()" );

    return err;
}
Exemplo n.º 3
0
// ------------------------------------------------------------------
// readPNOR
// ------------------------------------------------------------------
errlHndl_t readPNOR ( uint64_t i_byteAddr,
                      size_t i_numBytes,
                      void * o_data,
                      TARGETING::Target * i_target,
                      pnorInformation & i_pnorInfo,
                      uint64_t &io_cachedAddr,
                      mutex_t * i_mutex )
{
    errlHndl_t err = NULL;
    int64_t vpdLocation = 0;
    uint64_t addr = 0x0;
    const char * readAddr = NULL;

    TRACSSCOMP( g_trac_vpd,
                ENTER_MRK"readPNOR()" );

    do
    {
        // Check if we have the PNOR addr cached.
        if( 0x0 == io_cachedAddr )
        {
            err = getPnorAddr( i_pnorInfo,
                               io_cachedAddr,
                               i_mutex );

            if( err )
            {
                break;
            }
        }
        addr = io_cachedAddr;

        // Find vpd location of the target
        err = getVpdLocation( vpdLocation,
                              i_target );

        if( err )
        {
            break;
        }

        // Offset cached address by vpd location multiplier
        addr += (vpdLocation * i_pnorInfo.segmentSize);

        // Now offset into that chunk of data by i_byteAddr
        addr += i_byteAddr;

        TRACUCOMP( g_trac_vpd,
                   INFO_MRK"Address to read: 0x%08x",
                   addr );

        //TODO: Validate write is within bounds of appropriate PNOR
        //   partition/section.   RTC: 51807

        // Pull the data
        readAddr = reinterpret_cast<const char*>( addr );
        memcpy( o_data,
                readAddr,
                i_numBytes );
    } while( 0 );

    TRACSSCOMP( g_trac_vpd,
                EXIT_MRK"readPNOR()" );

    return err;
}