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Renamed signals for LSU - FPU interface

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This commit is contained in:
David Harris 2022-08-22 13:47:56 -07:00
parent 13d863a810
commit 24a05c35d9
1 changed files with 4 additions and 7 deletions
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11
pipelined/src/wally/wallypipelinedcore.sv
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@ -92,7 +92,6 @@ module wallypipelinedcore (
logic [4:0] RdM, RdW; logic [4:0] RdM, RdW;
logic FStallD; logic FStallD;
logic FWriteIntE; logic FWriteIntE;
logic [`XLEN-1:0] FWriteDataE;
logic [`FLEN-1:0] FWriteDataM; logic [`FLEN-1:0] FWriteDataM;
logic [`XLEN-1:0] FIntResM; logic [`XLEN-1:0] FIntResM;
logic [`XLEN-1:0] FCvtIntResW; logic [`XLEN-1:0] FCvtIntResW;
@ -130,7 +129,7 @@ module wallypipelinedcore (
// cpu lsu interface // cpu lsu interface
logic [2:0] Funct3M; logic [2:0] Funct3M;
logic [`XLEN-1:0] IEUAdrE; logic [`XLEN-1:0] IEUAdrE;
(* mark_debug = "true" *) logic [`XLEN-1:0] WriteDataE; (* mark_debug = "true" *) logic [`XLEN-1:0] WriteDataM;
(* mark_debug = "true" *) logic [`XLEN-1:0] IEUAdrM; (* mark_debug = "true" *) logic [`XLEN-1:0] IEUAdrM;
logic [`LLEN-1:0] ReadDataW; logic [`LLEN-1:0] ReadDataW;
logic CommittedM; logic CommittedM;
@ -219,14 +218,14 @@ module wallypipelinedcore (
// Execute Stage interface // Execute Stage interface
.PCE, .PCLinkE, .FWriteIntE, .IllegalFPUInstrE, .PCE, .PCLinkE, .FWriteIntE, .IllegalFPUInstrE,
.FWriteDataE, .IEUAdrE, .MDUE, .W64E, .IEUAdrE, .MDUE, .W64E,
.Funct3E, .ForwardedSrcAE, .ForwardedSrcBE, // *** these are the src outputs before the mux choosing between them and PCE to put in srcA/B .Funct3E, .ForwardedSrcAE, .ForwardedSrcBE, // *** these are the src outputs before the mux choosing between them and PCE to put in srcA/B
// Memory stage interface // Memory stage interface
.SquashSCW, // from LSU .SquashSCW, // from LSU
.MemRWM, // read/write control goes to LSU .MemRWM, // read/write control goes to LSU
.AtomicM, // atomic control goes to LSU .AtomicM, // atomic control goes to LSU
.WriteDataE, // Write data to LSU .WriteDataM, // Write data to LSU
.Funct3M, // size and signedness to LSU .Funct3M, // size and signedness to LSU
.SrcAM, // to privilege and fpu .SrcAM, // to privilege and fpu
.RdM, .FIntResM, .InvalidateICacheM, .FlushDCacheM, .RdM, .FIntResM, .InvalidateICacheM, .FlushDCacheM,
@ -259,7 +258,7 @@ module wallypipelinedcore (
.FpLoadStoreM, .FpLoadStoreM,
.FWriteDataM, .FWriteDataM,
//.DataMisalignedM(DataMisalignedM), //.DataMisalignedM(DataMisalignedM),
.IEUAdrE, .IEUAdrM, .WriteDataE, .IEUAdrE, .IEUAdrM, .WriteDataM,
.ReadDataW, .FlushDCacheM, .ReadDataW, .FlushDCacheM,
// connected to ahb (all stay the same) // connected to ahb (all stay the same)
.LSUBusAdr, .LSUBusRead, .LSUBusWrite, .LSUBusAck, .LSUBusInit, .LSUBusAdr, .LSUBusRead, .LSUBusWrite, .LSUBusAck, .LSUBusInit,
@ -398,7 +397,6 @@ module wallypipelinedcore (
.FpLoadStoreM, .FpLoadStoreM,
.FStallD, // Stall the decode stage .FStallD, // Stall the decode stage
.FWriteIntE, // integer register write enable .FWriteIntE, // integer register write enable
.FWriteDataE, // Data to be written to memory
.FWriteDataM, // Data to be written to memory .FWriteDataM, // Data to be written to memory
.FIntResM, // data to be written to integer register .FIntResM, // data to be written to integer register
.FCvtIntResW, // fp -> int conversion result to be stored in int register .FCvtIntResW, // fp -> int conversion result to be stored in int register
@ -410,7 +408,6 @@ module wallypipelinedcore (
end else begin // no F_SUPPORTED or D_SUPPORTED; tie outputs low end else begin // no F_SUPPORTED or D_SUPPORTED; tie outputs low
assign FStallD = 0; assign FStallD = 0;
assign FWriteIntE = 0; assign FWriteIntE = 0;
assign FWriteDataE = 0;
assign FIntResM = 0; assign FIntResM = 0;
assign FDivBusyE = 0; assign FDivBusyE = 0;
assign IllegalFPUInstrD = 1; assign IllegalFPUInstrD = 1;