Subversion Repositories bluespec-h264

// The MIT License

// Copyright (c) 2006-2007 Massachusetts Institute of Technology

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to deal

// in the Software without restriction, including without limitation the rights

// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

// copies of the Software, and to permit persons to whom the Software is

// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in

// all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN

// THE SOFTWARE.

//**********************************************************************

// Input Generator implementation

//----------------------------------------------------------------------

//

//

package mkInputGen;

import H264Types::*;

import IInputGen::*;

import RegFile::*;

import FIFO::*;

import Connectable::*;

import GetPut::*;

`define INPUT_SIZE 10000000

module mkInputGen( IInputGen );

   RegFile#(Bit#(1), Bit#(32)) rfile2 <- mkRegFileFullLoad("input_size.hex");

   RegFile#(Bit#(27), Bit#(8)) rfile <- mkRegFileLoad("input.hex", 0, `INPUT_SIZE);

   FIFO#(InputGenOT) outfifo <- mkFIFO;

   Reg#(Bit#(27))    index   <- mkReg(0);

   Reg#(Bit#(27))    file_size <- mkReg(0);

   Reg#(Bool)        initialized <- mkReg(False);

   rule init (!initialized);

      file_size <= truncate(rfile2.sub(0));

      $display("File Size: %h", rfile2.sub(0));

      initialized <= True;

   endrule

   rule output_byte ((index < file_size) && initialized);

      $display( "ccl0inputbyte %h", rfile.sub(index) );

      outfifo.enq(DataByte (rfile.sub(index)));

      index <= index+1;

   endrule

   rule end_of_file (index == file_size && initialized);

      //$finish(0);

      outfifo.enq(EndOfFile);

   endrule

   interface Get ioout = fifoToGet(outfifo);

endmodule

endpackage