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https://opencores.org/ocsvn/bluespec-h264/bluespec-h264/trunk
Subversion Repositories bluespec-h264
[/] [bluespec-h264/] [trunk/] [release/] [mkMemED_bram.bsv] - Rev 84
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//**********************************************************************
// Memory for Entropy Decoder
//----------------------------------------------------------------------
//
//
//
package mkMemED;
import H264Types::*;
import IMemED::*;
import GetPut::*;
import ClientServer::*;
import FIFO::*;
import BRAM::*;
//----------------------------------------------------------------------
// Main module
//----------------------------------------------------------------------
module mkMemED(IMemED#(index_size,data_size))
provisos (Bits#(MemReq#(index_size,data_size),mReqLen),
Bits#(MemResp#(data_size),mRespLen));
//-----------------------------------------------------------
// State
BRAM#(Bit#(index_size),Bit#(data_size)) bramfile <- mkBRAM_Full();
FIFO#(MemReq#(index_size,data_size)) reqQ <- mkFIFO();
FIFO#(MemResp#(data_size)) respQ <- mkFIFO();
rule storing ( reqQ.first() matches tagged StoreReq { addr:.addrt,data:.datat} );
bramfile.write(addrt,datat);
reqQ.deq();
endrule
rule reading ( reqQ.first() matches tagged LoadReq .addrt );
bramfile.read_req(addrt);
reqQ.deq();
endrule
rule readresp ( True );
let temp <- bramfile.read_resp;
respQ.enq( LoadResp temp );
endrule
interface Server mem_server;
interface Put request = fifoToPut(reqQ);
interface Get response = fifoToGet(respQ);
endinterface
endmodule
endpackage
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