Mercurial > pygar

     1 // The MIT License

     2 

     3 // Copyright (c) 2009 Massachusetts Institute of Technology

     4 

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

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

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

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

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

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

    11 

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

    13 // all copies or substantial portions of the Software.

    14 

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

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

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

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

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

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

    21 // THE SOFTWARE.

    22 

    23 // Author: Kermin Fleming kfleming@mit.edu

    24 

    25 import Connectable::*;

    26 import GetPut::*;

    27 import ClientServer::*;

    28 import FIFO::*;

    29 import SpecialFIFOs::*;

    30 

    31 //AWB includes

    32 `include "asim/provides/low_level_platform_interface.bsh"

    33 `include "asim/provides/soft_connections.bsh"

    34 `include "asim/provides/common_services.bsh"

    35 

    36 //Local includes

    37 `include "asim/provides/audio_pipe_types.bsh"  //provides Audio Pipeline interface

    38 `include "asim/provides/core.bsh"

    39 `include "asim/provides/processor_library.bsh"

    40 `include "asim/provides/fpga_components.bsh"

    41 `include "asim/rrr/remote_client_stub_AUDIOCORERRR.bsh"

    42 //`include "asim/rrr/remote_server_stub_AUDIOCORERRR.bsh"

    43 

    44 module [CONNECTED_MODULE] mkConnectedApplication ();

    45    Core core <- mkCore;

    46    Reg#(int) cycle <- mkReg(0);

    47 

    48   //External memory 

    49   // I'm not comfortable assuming that the memory subsystem is in order  

    50   // So I'll insert a completion buffer here.  

    51   ClientStub_AUDIOCORERRR client_stub <- mkClientStub_AUDIOCORERRR();   

    52   // Make this big enough so that several outstanding requests may be supported

    53   FIFO#(Bit#(MainMemTagSz)) tags <- mkSizedFIFO(8);

    54 

    55   // this is for the tracing

    56   rule printCycles;

    57     cycle <= cycle+1;

    58     $fdisplay(stderr, " => Cycle = %d", cycle);

    59   endrule

    60 

    61   rule sendMemReq;

    62     let coreReq <- core.mmem_client.request.get;

    63     case (coreReq) matches 

    64       tagged LoadReq .load: begin

    65                               //Allocate ROB space

    66                               client_stub.makeRequest_MemoryRequestLoad(load.addr);

    67                               tags.enq(load.tag);

    68                             end

    69       tagged StoreReq .store: begin

    70                                 client_stub.makeRequest_MemoryRequestStore(store.addr,store.data);

    71                               end

    72     endcase

    73   endrule

    74   

    75   rule receiveMemResp;

    76     let memResp <- client_stub.getResponse_MemoryRequestLoad();

    77     tags.deq;

    78     core.mmem_client.response.put(tagged LoadResp {data:memResp,

    79                                                    tag: tags.first});

    80   endrule

    81 

    82   // this isn't particularly correct as it doesn't actually connect the processor interfaces, but this should allow me to verify the data path before fully blending the two items together.

    83 

    84    rule feedOutput;

    85      let pipelineData <- core.sampleOutput.get();

    86      AudioProcessorControl endOfFileTag = EndOfFile;

    87      AudioProcessorControl sampleTag = Data;

    88 

    89      case (pipelineData) matches

    90        tagged EndOfFile: 

    91        client_stub.makeRequest_SendProcessedStream(zeroExtend(pack(endOfFileTag)),?);

    92        tagged Sample .sample:client_stub.makeRequest_SendProcessedStream(zeroExtend(pack(sampleTag)), zeroExtend(pack(sample)));

    93      endcase

    94    endrule

    95 

    96 endmodule
author	punk
date	Wed, 28 Apr 2010 12:01:37 -0400
parents	a1833d9f6e3d
children	2c8166d205d5