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Made abhlite instation on wallypipehart more clear, updated spacing for consistency

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Noah Limpert 2021-11-24 22:48:01 -08:00
parent 5b7c969170
commit f36cc7a2a3
1 changed files with 36 additions and 37 deletions
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73
wally-pipelined/src/wally/wallypipelinedhart.sv
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@ -276,50 +276,49 @@ module wallypipelinedhart (
ahblite ebu(// IFU connections ahblite ebu(// IFU connections
.InstrPAdrF(InstrPAdrF), .clk, .reset,
.InstrReadF(InstrReadF), .UnsignedLoadM(1'b0), .AtomicMaskedM(2'b00),
.InstrRData(InstrRData), .InstrPAdrF, // *** rename these to match block diagram
.InstrAckF(InstrAckF), .InstrReadF, .InstrRData, .InstrAckF,
// LSU connections // Signals from Data Cache
.DCtoAHBPAdrM(DCtoAHBPAdrM), // rename to DCtoAHBPAdrM .DCtoAHBPAdrM, .DCtoAHBReadM, .DCtoAHBWriteM, .DCtoAHBWriteData,
.DCtoAHBReadM(DCtoAHBReadM), // rename to DCtoAHBReadM .DCfromAHBReadData,
.DCtoAHBWriteM(DCtoAHBWriteM), // rename to DCtoAHBWriteM .MemSizeM(DCtoAHBSizeM[1:0]), // *** remove
.DCtoAHBWriteData(DCtoAHBWriteData), .DCfromAHBAck,
.DCfromAHBReadData(DCfromAHBReadData),
.DCfromAHBAck(DCfromAHBAck), .HRDATA, .HREADY, .HRESP, .HCLK, .HRESETn,
// remove these .HADDR, .HWDATA, .HWRITE, .HSIZE, .HBURST,
.MemSizeM(DCtoAHBSizeM[1:0]), // *** depends on XLEN should be removed .HPROT, .HTRANS, .HMASTLOCK, .HADDRD, .HSIZED,
.UnsignedLoadM(1'b0), .HWRITED);
.AtomicMaskedM(2'b00),
.*);
muldiv mdu( muldiv mdu(
.clk, .reset, .clk, .reset,
// Execute Stage interface // Execute Stage interface
// .SrcAE, .SrcBE, // .SrcAE, .SrcBE,
.ForwardedSrcAE, .ForwardedSrcBE, // *** these are the src outputs before the mux choosing between them and PCE to put in srcA/B .ForwardedSrcAE, .ForwardedSrcBE, // *** these are the src outputs before the mux choosing between them and PCE to put in srcA/B
.Funct3E, .Funct3M, .Funct3E, .Funct3M,
.MulDivE, .W64E, .MulDivE, .W64E,
// Writeback stage // Writeback stage
.MulDivResultW, .MulDivResultW,
// Divide Done // Divide Done
.DivBusyE, .DivBusyE,
// hazards // hazards
.StallM, .StallW, .FlushM, .FlushW .StallM, .StallW, .FlushM, .FlushW
); // multiply and divide unit ); // multiply and divide unit
hazard hzu( hazard hzu(
.BPPredWrongE, .CSRWritePendingDEM, .RetM, .TrapM, .BPPredWrongE, .CSRWritePendingDEM, .RetM, .TrapM,
.LoadStallD, .StoreStallD, .MulDivStallD, .CSRRdStallD, .LoadStallD, .StoreStallD, .MulDivStallD, .CSRRdStallD,
.LSUStall, .ICacheStallF, .LSUStall, .ICacheStallF,
.FPUStallD, .FStallD, .FPUStallD, .FStallD,
.DivBusyE, .FDivBusyE, .DivBusyE, .FDivBusyE,
.EcallFaultM, .BreakpointFaultM, .EcallFaultM, .BreakpointFaultM,
.InvalidateICacheM, .InvalidateICacheM,
// Stall & flush outputs // Stall & flush outputs
.StallF, .StallD, .StallE, .StallM, .StallW, .StallF, .StallD, .StallE, .StallM, .StallW,
.FlushF, .FlushD, .FlushE, .FlushM, .FlushW); // global stall and flush control .FlushF, .FlushD, .FlushE, .FlushM, .FlushW
); // global stall and flush control
// Priveleged block operates in M and W stages, handling CSRs and exceptions // Priveleged block operates in M and W stages, handling CSRs and exceptions
privileged priv(.*); privileged priv(.*);