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 import Connectable::*;

    24 import GetPut::*;

    25 import ClientServer::*;

    26 

    27 import DataCacheBlocking::*;

    28 import InstCacheBlocking::*;

    29 import Processor::*;

    30 import MemArb::*;

    31 import MemTypes::*;

    32 

    33 interface CoreStats;

    34   interface DCacheStats dcache;

    35   interface ICacheStats icache;

    36   interface ProcStats proc;

    37 endinterface

    38 

    39 interface Core;

    40 

    41   // Interface from core to main memory

    42   interface Client#(MainMemReq,MainMemResp) mmem_client;

    43 

    44   // Statistics

    45   interface CoreStats stats;

    46 

    47   // CPU to Host

    48   interface CPUToHost tohost;

    49 

    50 endinterface

    51 

    52 (* synthesize *)

    53 module mkCore(Core);

    54 

    55   // Instantiate the modules

    56   Proc proc <- mkProc();

    57   ICache#(InstReq,InstResp) icache <- mkInstCache();

    58   DCache#(DataReq,DataResp) dcache <- mkDataCache();

    59   MemArb marb <- mkMemArb();

    60 

    61   // Internal connections

    62   mkConnection( proc.statsEn_get,   icache.statsEn_put );

    63   mkConnection( proc.statsEn_get,   dcache.statsEn_put );

    64   mkConnection( proc.imem_client,   icache.proc_server );

    65   mkConnection( proc.dmem_client,   dcache.proc_server );

    66   mkConnection( icache.mmem_client, marb.cache0_server );

    67   mkConnection( dcache.mmem_client, marb.cache1_server );

    68 

    69   // Methods

    70   interface mmem_client = marb.mmem_client;

    71 

    72   interface CoreStats stats;

    73     interface dcache = dcache.stats;

    74     interface icache = icache.stats;

    75     interface proc = proc.stats;

    76   endinterface

    77 

    78   interface CPUToHost tohost = proc.tohost;

    79 

    80 endmodule

    81