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 

    30 //AWB includes

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

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

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

    34 

    35 //Local includes

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

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

    38 

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

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

    41 

    42 module [CONNECTED_MODULE] mkConnectedApplication ();

    43    Core core <- mkCore;

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

    45 

    46   //External memory 

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

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

    49   ClientStub_AUDICORERRR client_stub <- mkClientStub_AUDIOCORERRR();   

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

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

    52 

    53   // this is for the tracing

    54   rule printCycles;

    55     cycle <= cycle+1;

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

    57   endrule

    58 

    59   rule sendMemReq;

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

    61     case (coreReq) matches 

    62       tagged LoadReq .load: begin

    63                               //Allocate ROB space

    64                               client_stub.makeRequest_MemoryRequestLoad(load.addr);

    65                               tags.enq(load.tag);

    66                             end

    67       tagged StoreReq .store: begin

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

    69                               end

    70     endcase

    71   endrule

    72   

    73   rule receiveMemResp;

    74     let memResp <- client_stub.getResponse_MemoryRequestLoad();

    75     tags.deq;

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

    77                                                    tag: tags.first});

    78   endrule

    79 

    80   // 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.

    81 

    82    rule feedOutput;

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

    84      AudioProcessorControl endOfFileTag = EndOfFile;

    85      AudioProcessorControl sampleTag = Data;

    86 

    87      case (pipelineData) matches

    88        tagged EndOfFile: client_stub.makeRequest_SendProcessedStream(zeroExtend(pack(endOfFileTag)),?);

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

    90                                                                          zeroExtend(pack(sample)));

    91      endcase

    92    endrule

    93 

    94 endmodule
author	punk
date	Tue, 27 Apr 2010 22:54:50 -0400
parents	6d461680c6d9
children