Mercurial > pygar
view modules/bluespec/Pygar/core/audioCore.bsv @ 74:31fef269ae58 pygar svn.75
[svn r75] presentation for wednesdaty
author | rlm |
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date | Wed, 12 May 2010 02:25:34 -0400 |
parents | 44cc00df1168 |
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1 // The MIT License3 // Copyright (c) 2009 Massachusetts Institute of Technology5 // Permission is hereby granted, free of charge, to any person obtaining a copy6 // of this software and associated documentation files (the "Software"), to deal7 // in the Software without restriction, including without limitation the rights8 // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell9 // copies of the Software, and to permit persons to whom the Software is10 // furnished to do so, subject to the following conditions:12 // The above copyright notice and this permission notice shall be included in13 // all copies or substantial portions of the Software.15 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR16 // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,17 // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE18 // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER19 // 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 IN21 // THE SOFTWARE.23 import Connectable::*;24 import GetPut::*;25 import ClientServer::*;26 import Processor::*;27 import MemArb::*;28 import MemTypes::*;29 import FIFO::*;31 //AWB includes32 `include "asim/provides/low_level_platform_interface.bsh"33 `include "asim/provides/soft_connections.bsh"34 `include "asim/provides/common_services.bsh"36 // Local includes37 `include "asim/provides/processor_library.bsh"38 `include "asim/provides/mem_arb.bsh"39 `include "asim/provides/instruction_cache.bsh"40 `include "asim/provides/data_cache.bsh"41 `include "asim/provides/processor.bsh"42 `include "asim/provides/audio_pipe_types.bsh"43 `include "asim/provides/path_types.bsh"45 // Scratchpad includes46 `include "asim/provides/scratchpad_memory.bsh"47 `include "asim/provides/mem_services.bsh"48 `include "asim/dict/VDEV_SCRATCH.bsh"50 interface Core;52 interface Get#(AudioStream) sampleOutput;53 interface Put#(AudioStream) sampleInput;55 interface Get#(Bit#(32)) pc;57 endinterface59 module [CONNECTED_MODULE] mkCore#(Integer prog) ( Core );60 // Instantiate the modules62 Proc proc <- mkProc();63 ICache#(InstReq,InstResp) icache <- mkInstCache();64 DCache#(DataReq,DataResp) dcache <- mkDataCache();65 MemArb marb <- mkMemArb();66 MEMORY_IFC#(Bit#(18), Bit#(32)) memory <- mkScratchpad(prog, SCRATCHPAD_CACHED); //Services Memory items68 // Make this big enough so that several outstanding requests may be supported69 FIFO#(Bit#(MainMemTagSz)) tags <- mkSizedFIFO(8);71 // Internal connections73 mkConnection( proc.statsEn_get, icache.statsEn_put );74 mkConnection( proc.statsEn_get, dcache.statsEn_put );75 mkConnection( proc.imem_client, icache.proc_server );76 mkConnection( proc.dmem_client, dcache.proc_server );77 mkConnection( icache.mmem_client, marb.cache0_server );78 mkConnection( dcache.mmem_client, marb.cache1_server );80 // Memory Access81 rule sendMemReq;82 let coreReq <- marb.mmem_client.request.get;83 case (coreReq) matches84 tagged LoadReq .load: begin85 $display("CORE: Load Addr Req %h", load.addr);86 //Allocate ROB space87 memory.readReq(truncate(load.addr>>2));88 tags.enq(load.tag);89 end90 tagged StoreReq .store: begin91 $display("CORE: Write Addr Req %h", store.addr);92 memory.write(truncate(store.addr>>2),store.data);93 end94 endcase95 endrule97 rule receiveMemResp;98 let memResp <- memory.readRsp();99 tags.deq;100 marb.mmem_client.response.put(tagged LoadResp {data:memResp,101 tag: tags.first});102 $display("CORE: Receive MemReq %x", memResp);103 endrule105 // Methods107 interface sampleOutput = proc.sampleOutput;108 interface sampleInput = proc.sampleInput;110 interface pc = proc.pcCount;112 endmodule