[m5-users] compile problems when add new sdram module in M5_2.0b3

[rlai]

Hi all,

   I added a new SDRAM model called SdramCtrl into M5_2.0b3. I met some
problems when I compiled the code:

   build/ALPHA_FS/base/statistics.hh: In member function std::string
Stats::ScalarProxy<Stat>::str() const [with Stat =
Stats::VectorBase<Stats::StatStor>]:
build/ALPHA_FS/base/statistics.hh:2000:   instantiated from std::string
Stats::ScalarProxyNode<Stat>::str() const [with Stat =
Stats::VectorBase<Stats::StatStor>]
build/ALPHA_FS/mem/sdram/sdram_ctrl.cc:1019:   instantiated from here
build/ALPHA_FS/base/statistics.hh:1009: error: class
Stats::VectorBase<Stats::StatStor> has no member named str
scons: *** [build/ALPHA_FS/mem/sdram/sdram_ctrl.o] Error 1
scons: building terminated because of errors.

    This error occurs almost at the end of the file when I use
REGISTER_SIM_OBJECT("SdramCtrl", SdramCtrl) to register my new SDRAM class.
My code is like:
========================================================
CREATE_SIM_OBJECT(SdramCtrl)
{
    SdramCtrl::Params params;

    params.verbose = verbose;
    params.frequency = frequency;
    params.timing_itb = timing_itb;
    params.timing_dtb = timing_dtb;
    params.addr_convert = addr_convert;
    params.addr_map = addr_map;
    params.sdram_dev = sdram_dev;
    params.wb = wb;
    params.maq = maq;
    params.addr_ranges = addr_ranges;
    params.access_pool_size = access_pool_size;
    params.write_queue_size = write_queue_size;
    params.stat_read_lat_cap = stat_read_lat_cap;
    params.stat_read_lat_bkt = stat_read_lat_bkt;
    params.stat_write_lat_cap = stat_write_lat_cap;
    params.stat_write_lat_bkt = stat_write_lat_bkt;

    SdramCtrl *sdram_ctrl = new SdramCtrl(getInstanceName(), params);
    assert(sdram_ctrl);
    return sdram_ctrl;
}
<Here is line 1019 in sdram_ctrl.cc>
REGISTER_SIM_OBJECT("SdramCtrl", SdramCtrl)
========================================================

    Does anyone know what is the problem?

Thanks,
Tracy
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