forked from Github_Repos/cvw
Added n, p, and m signals between fdivsqrt submodules. Added w64 and mdue to divsqrt testbench.
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@ -64,11 +64,11 @@ module fdivsqrt(
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logic Firstun;
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logic WZero;
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logic SpecialCaseM;
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logic [`DIVBLEN:0] n;
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logic [`DIVBLEN:0] n, p, m;
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fdivsqrtpreproc fdivsqrtpreproc(
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.clk, .DivStartE, .Xm(XmE), .QeM, .Xe(XeE), .Fmt(FmtE), .Ye(YeE),
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.Sqrt(SqrtE), .Ym(YmE), .XZero(XZeroE), .X, .Dpreproc, .n,
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.Sqrt(SqrtE), .Ym(YmE), .XZero(XZeroE), .X, .Dpreproc, .n, .p, .m,
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.ForwardedSrcAE, .ForwardedSrcBE, .Funct3E, .Funct3M, .MDUE, .W64E);
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fdivsqrtfsm fdivsqrtfsm(
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.clk, .reset, .FmtE, .XsE, .SqrtE,
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@ -83,5 +83,6 @@ module fdivsqrt(
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fdivsqrtpostproc fdivsqrtpostproc(
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.WS, .WC, .D, .FirstU, .FirstUM, .FirstC, .Firstun,
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.SqrtM, .SpecialCaseM, .RemOp(Funct3E[1]),
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.n, .p, .m,
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.QmM, .WZero, .DivSM);
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endmodule
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@ -39,6 +39,7 @@ module fdivsqrtpostproc(
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input logic SqrtM,
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input logic SpecialCaseM,
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input logic RemOp,
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input logic [`DIVBLEN:0] n, p, m,
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output logic [`DIVb:0] QmM,
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output logic WZero,
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output logic DivSM
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@ -41,7 +41,7 @@ module fdivsqrtpreproc (
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input logic [`XLEN-1:0] ForwardedSrcAE, ForwardedSrcBE, // *** these are the src outputs before the mux choosing between them and PCE to put in srcA/B
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input logic [2:0] Funct3E, Funct3M,
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input logic MDUE, W64E,
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output logic [`DIVBLEN:0] n,
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output logic [`DIVBLEN:0] n, p, m,
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output logic [`NE+1:0] QeM,
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output logic [`DIVb+3:0] X,
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output logic [`DIVN-2:0] Dpreproc
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@ -58,7 +58,7 @@ module fdivsqrtpreproc (
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logic [`XLEN-1:0] PosA, PosB;
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logic As, Bs;
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logic [`XLEN-1:0] A64, B64;
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logic [`DIVBLEN:0] p, ZeroDiff, IntBits, RightShiftX;
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logic [`DIVBLEN:0] ZeroDiff, IntBits, RightShiftX;
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logic [`DIVBLEN:0] pPlusr, pPrTrunc, pPrCeil;
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logic [`DIVb+3:0] PreShiftX;
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@ -718,6 +718,7 @@ module testbenchfp;
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if (TEST === "div" | TEST === "sqrt" | TEST === "all") begin: fdivsqrt
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fdivsqrt fdivsqrt(.clk, .reset, .XsE(Xs), .FmtE(ModFmt), .XmE(Xm), .YmE(Ym), .XeE(Xe), .YeE(Ye), .SqrtE(OpCtrlVal[0]), .SqrtM(OpCtrlVal[0]),
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.XInfE(XInf), .YInfE(YInf), .XZeroE(XZero), .YZeroE(YZero), .XNaNE(XNaN), .YNaNE(YNaN), .DivStartE(DivStart),
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.MDUE(1'b0), .W64E(1'b0),
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.StallE(1'b0), .StallM(1'b0), .DivSM(DivSticky), .DivBusy, .QeM(DivCalcExp),
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.QmM(Quot), .DivDone);
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end
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