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annotate modules/bluespec/Pygar/core/#audioCorePipeline.bsv# @ 16:7e1510b47336 pygar svn.17

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[svn r17] added rest of items for core
author punk
date Tue, 27 Apr 2010 22:54:50 -0400
parents 6d461680c6d9
children
rev   line source
punk@13 1 // The MIT License
punk@13 2
punk@13 3 // Copyright (c) 2009 Massachusetts Institute of Technology
punk@13 4
punk@13 5 // Permission is hereby granted, free of charge, to any person obtaining a copy
punk@13 6 // of this software and associated documentation files (the "Software"), to deal
punk@13 7 // in the Software without restriction, including without limitation the rights
punk@13 8 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
punk@13 9 // copies of the Software, and to permit persons to whom the Software is
punk@13 10 // furnished to do so, subject to the following conditions:
punk@13 11
punk@13 12 // The above copyright notice and this permission notice shall be included in
punk@13 13 // all copies or substantial portions of the Software.
punk@13 14
punk@13 15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
punk@13 16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
punk@13 17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
punk@13 18 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
punk@13 19 // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
punk@13 20 // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
punk@13 21 // THE SOFTWARE.
punk@13 22
punk@13 23 // Author: Kermin Fleming kfleming@mit.edu
punk@13 24
punk@13 25 import Connectable::*;
punk@13 26 import GetPut::*;
punk@13 27 import ClientServer::*;
punk@13 28 import FIFO::*;
punk@13 29
punk@13 30 //AWB includes
punk@13 31 `include "asim/provides/low_level_platform_interface.bsh"
punk@13 32 `include "asim/provides/soft_connections.bsh"
punk@13 33 `include "asim/provides/common_services.bsh"
punk@13 34
punk@13 35 //Local includes
punk@13 36 `include "asim/provides/audio_pipe_types.bsh" //provides Audio Pipeline interface
punk@13 37 `include "asim/provides/core.bsh"
punk@13 38
punk@13 39 `include "asim/rrr/remote_client_stub_AUDIOCORERRR.bsh"
punk@13 40 `include "asim/rrr/remote_server_stub_AUDIOCORERRR.bsh"
punk@13 41
punk@13 42 module [CONNECTED_MODULE] mkConnectedApplication ();
punk@13 43 Core core <- mkCore;
punk@13 44 Reg#(int) cycle <- mkReg(0);
punk@13 45
punk@13 46 //External memory
punk@13 47 // I'm not comfortable assuming that the memory subsystem is in order
punk@13 48 // So I'll insert a completion buffer here.
punk@13 49 ClientStub_AUDICORERRR client_stub <- mkClientStub_AUDIOCORERRR();
punk@13 50 // Make this big enough so that several outstanding requests may be supported
punk@13 51 FIFO#(Bit#(MainMemTagSz)) tags <- mkSizedFIFO(8);
punk@13 52
punk@13 53 // this is for the tracing
punk@13 54 rule printCycles;
punk@13 55 cycle <= cycle+1;
punk@13 56 $fdisplay(stderr, " => Cycle = %d", cycle);
punk@13 57 endrule
punk@13 58
punk@13 59 rule sendMemReq;
punk@13 60 let coreReq <- core.mmem_client.request.get;
punk@13 61 case (coreReq) matches
punk@13 62 tagged LoadReq .load: begin
punk@13 63 //Allocate ROB space
punk@13 64 client_stub.makeRequest_MemoryRequestLoad(load.addr);
punk@13 65 tags.enq(load.tag);
punk@13 66 end
punk@13 67 tagged StoreReq .store: begin
punk@13 68 client_stub.makeRequest_MemoryRequestStore(store.addr,store.data);
punk@13 69 end
punk@13 70 endcase
punk@13 71 endrule
punk@13 72
punk@13 73 rule receiveMemResp;
punk@13 74 let memResp <- client_stub.getResponse_MemoryRequestLoad();
punk@13 75 tags.deq;
punk@13 76 core.mmem_client.response.put(tagged LoadResp {data:memResp,
punk@13 77 tag: tags.first});
punk@13 78 endrule
punk@13 79
punk@13 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.
punk@13 81
punk@13 82 rule feedOutput;
punk@13 83 let pipelineData <- core.sampleOutput.get();
punk@13 84 AudioProcessorControl endOfFileTag = EndOfFile;
punk@13 85 AudioProcessorControl sampleTag = Data;
punk@13 86
punk@13 87 case (pipelineData) matches
punk@13 88 tagged EndOfFile: client_stub.makeRequest_SendProcessedStream(zeroExtend(pack(endOfFileTag)),?);
punk@13 89 tagged Sample .sample:client_stub.makeRequest_SendProcessedStream(zeroExtend(pack(sampleTag)),
punk@13 90 zeroExtend(pack(sample)));
punk@13 91 endcase
punk@13 92 endrule
punk@13 93
punk@13 94 endmodule