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yosys/techlibs/xilinx/abc_map.v

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/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
* 2019 Eddie Hung <eddie@fpgeh.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
*/
// ============================================================================
module RAM32X1D (
output DPO, SPO,
(* techmap_autopurge *) input D,
(* techmap_autopurge *) input WCLK,
(* techmap_autopurge *) input WE,
(* techmap_autopurge *) input A0, A1, A2, A3, A4,
(* techmap_autopurge *) input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4
);
parameter INIT = 32'h0;
parameter IS_WCLK_INVERTED = 1'b0;
wire \$DPO , \$SPO ;
RAM32X1D #(
.INIT(INIT), .IS_WCLK_INVERTED(IS_WCLK_INVERTED)
) _TECHMAP_REPLACE_ (
.DPO(\$DPO ), .SPO(\$SPO ),
.D(D), .WCLK(WCLK), .WE(WE),
.A0(A0), .A1(A1), .A2(A2), .A3(A3), .A4(A4),
.DPRA0(DPRA0), .DPRA1(DPRA1), .DPRA2(DPRA2), .DPRA3(DPRA3), .DPRA4(DPRA4)
);
\$__ABC_LUT6 dpo (.A(\$DPO ), .S({1'b0, A0, A1, A2, A3, A4}), .Y(DPO));
\$__ABC_LUT6 spo (.A(\$SPO ), .S({1'b0, A0, A1, A2, A3, A4}), .Y(SPO));
endmodule
module RAM64X1D (
output DPO, SPO,
(* techmap_autopurge *) input D,
(* techmap_autopurge *) input WCLK,
(* techmap_autopurge *) input WE,
(* techmap_autopurge *) input A0, A1, A2, A3, A4, A5,
(* techmap_autopurge *) input DPRA0, DPRA1, DPRA2, DPRA3, DPRA4, DPRA5
);
parameter INIT = 64'h0;
parameter IS_WCLK_INVERTED = 1'b0;
wire \$DPO , \$SPO ;
RAM64X1D #(
.INIT(INIT), .IS_WCLK_INVERTED(IS_WCLK_INVERTED)
) _TECHMAP_REPLACE_ (
.DPO(\$DPO ), .SPO(\$SPO ),
.D(D), .WCLK(WCLK), .WE(WE),
.A0(A0), .A1(A1), .A2(A2), .A3(A3), .A4(A4), .A5(A5),
.DPRA0(DPRA0), .DPRA1(DPRA1), .DPRA2(DPRA2), .DPRA3(DPRA3), .DPRA4(DPRA4), .DPRA5(DPRA5)
);
\$__ABC_LUT6 dpo (.A(\$DPO ), .S({A0, A1, A2, A3, A4, A5}), .Y(DPO));
\$__ABC_LUT6 spo (.A(\$SPO ), .S({A0, A1, A2, A3, A4, A5}), .Y(SPO));
endmodule
module RAM128X1D (
output DPO, SPO,
(* techmap_autopurge *) input D,
(* techmap_autopurge *) input WCLK,
(* techmap_autopurge *) input WE,
(* techmap_autopurge *) input [6:0] A, DPRA
);
parameter INIT = 128'h0;
parameter IS_WCLK_INVERTED = 1'b0;
wire \$DPO , \$SPO ;
RAM128X1D #(
.INIT(INIT), .IS_WCLK_INVERTED(IS_WCLK_INVERTED)
) _TECHMAP_REPLACE_ (
.DPO(\$DPO ), .SPO(\$SPO ),
.D(D), .WCLK(WCLK), .WE(WE),
.A(A),
.DPRA(DPRA)
);
\$__ABC_LUT7 dpo (.A(\$DPO ), .S(A), .Y(DPO));
\$__ABC_LUT7 spo (.A(\$SPO ), .S(A), .Y(SPO));
endmodule
module SRL16E (
output Q,
(* techmap_autopurge *) input A0, A1, A2, A3, CE, CLK, D
);
parameter [15:0] INIT = 16'h0000;
parameter [0:0] IS_CLK_INVERTED = 1'b0;
wire \$Q ;
SRL16E #(
.INIT(INIT), .IS_CLK_INVERTED(IS_CLK_INVERTED)
) _TECHMAP_REPLACE_ (
.Q(\$Q ),
.A0(A0), .A1(A1), .A2(A2), .A3(A3), .CE(CE), .CLK(CLK), .D(D)
);
\$__ABC_LUT6 q (.A(\$Q ), .S({1'b1, A0, A1, A2, A3, 1'b1}), .Y(Q));
endmodule
module SRLC32E (
output Q,
output Q31,
(* techmap_autopurge *) input [4:0] A,
(* techmap_autopurge *) input CE, CLK, D
);
parameter [31:0] INIT = 32'h00000000;
parameter [0:0] IS_CLK_INVERTED = 1'b0;
wire \$Q ;
SRLC32E #(
.INIT(INIT), .IS_CLK_INVERTED(IS_CLK_INVERTED)
) _TECHMAP_REPLACE_ (
.Q(\$Q ), .Q31(Q31),
.A(A), .CE(CE), .CLK(CLK), .D(D)
);
\$__ABC_LUT6 q (.A(\$Q ), .S({1'b1, A}), .Y(Q));
endmodule
module DSP48E1 (
output [29:0] ACOUT,
output [17:0] BCOUT,
output reg CARRYCASCOUT,
output reg [3:0] CARRYOUT,
output reg MULTSIGNOUT,
output OVERFLOW,
output reg signed [47:0] P,
output PATTERNBDETECT,
output PATTERNDETECT,
output [47:0] PCOUT,
output UNDERFLOW,
(* techmap_autopurge *) input signed [29:0] A,
(* techmap_autopurge *) input [29:0] ACIN,
(* techmap_autopurge *) input [3:0] ALUMODE,
(* techmap_autopurge *) input signed [17:0] B,
(* techmap_autopurge *) input [17:0] BCIN,
(* techmap_autopurge *) input [47:0] C,
(* techmap_autopurge *) input CARRYCASCIN,
(* techmap_autopurge *) input CARRYIN,
(* techmap_autopurge *) input [2:0] CARRYINSEL,
(* techmap_autopurge *) input CEA1,
(* techmap_autopurge *) input CEA2,
(* techmap_autopurge *) input CEAD,
(* techmap_autopurge *) input CEALUMODE,
(* techmap_autopurge *) input CEB1,
(* techmap_autopurge *) input CEB2,
(* techmap_autopurge *) input CEC,
(* techmap_autopurge *) input CECARRYIN,
(* techmap_autopurge *) input CECTRL,
(* techmap_autopurge *) input CED,
(* techmap_autopurge *) input CEINMODE,
(* techmap_autopurge *) input CEM,
(* techmap_autopurge *) input CEP,
(* techmap_autopurge *) input CLK,
(* techmap_autopurge *) input [24:0] D,
(* techmap_autopurge *) input [4:0] INMODE,
(* techmap_autopurge *) input MULTSIGNIN,
(* techmap_autopurge *) input [6:0] OPMODE,
(* techmap_autopurge *) input [47:0] PCIN,
(* techmap_autopurge *) input RSTA,
(* techmap_autopurge *) input RSTALLCARRYIN,
(* techmap_autopurge *) input RSTALUMODE,
(* techmap_autopurge *) input RSTB,
(* techmap_autopurge *) input RSTC,
(* techmap_autopurge *) input RSTCTRL,
(* techmap_autopurge *) input RSTD,
(* techmap_autopurge *) input RSTINMODE,
(* techmap_autopurge *) input RSTM,
(* techmap_autopurge *) input RSTP
);
parameter integer ACASCREG = 1;
parameter integer ADREG = 1;
parameter integer ALUMODEREG = 1;
parameter integer AREG = 1;
parameter AUTORESET_PATDET = "NO_RESET";
parameter A_INPUT = "DIRECT";
parameter integer BCASCREG = 1;
parameter integer BREG = 1;
parameter B_INPUT = "DIRECT";
parameter integer CARRYINREG = 1;
parameter integer CARRYINSELREG = 1;
parameter integer CREG = 1;
parameter integer DREG = 1;
parameter integer INMODEREG = 1;
parameter integer MREG = 1;
parameter integer OPMODEREG = 1;
parameter integer PREG = 1;
parameter SEL_MASK = "MASK";
parameter SEL_PATTERN = "PATTERN";
parameter USE_DPORT = "FALSE";
parameter USE_MULT = "MULTIPLY";
parameter USE_PATTERN_DETECT = "NO_PATDET";
parameter USE_SIMD = "ONE48";
parameter [47:0] MASK = 48'h3FFFFFFFFFFF;
parameter [47:0] PATTERN = 48'h000000000000;
parameter [3:0] IS_ALUMODE_INVERTED = 4'b0;
parameter [0:0] IS_CARRYIN_INVERTED = 1'b0;
parameter [0:0] IS_CLK_INVERTED = 1'b0;
parameter [4:0] IS_INMODE_INVERTED = 5'b0;
parameter [6:0] IS_OPMODE_INVERTED = 7'b0;
parameter _TECHMAP_CELLTYPE_ = "";
localparam techmap_guard = (_TECHMAP_CELLTYPE_ != "");
`define DSP48E1_INST(__CELL__) """
__CELL__ #(
.ACASCREG(ACASCREG),
.ADREG(ADREG),
.ALUMODEREG(ALUMODEREG),
.AREG(AREG),
.AUTORESET_PATDET(AUTORESET_PATDET),
.A_INPUT(A_INPUT),
.BCASCREG(BCASCREG),
.BREG(BREG),
.B_INPUT(B_INPUT),
.CARRYINREG(CARRYINREG),
.CARRYINSELREG(CARRYINSELREG),
.CREG(CREG),
.DREG(DREG),
.INMODEREG(INMODEREG),
.MREG(MREG),
.OPMODEREG(OPMODEREG),
.PREG(PREG),
.SEL_MASK(SEL_MASK),
.SEL_PATTERN(SEL_PATTERN),
.USE_DPORT(USE_DPORT),
.USE_MULT(USE_MULT),
.USE_PATTERN_DETECT(USE_PATTERN_DETECT),
.USE_SIMD(USE_SIMD),
.MASK(MASK),
.PATTERN(PATTERN),
.IS_ALUMODE_INVERTED(IS_ALUMODE_INVERTED),
.IS_CARRYIN_INVERTED(IS_CARRYIN_INVERTED),
.IS_CLK_INVERTED(IS_CLK_INVERTED),
.IS_INMODE_INVERTED(IS_INMODE_INVERTED),
.IS_OPMODE_INVERTED(IS_OPMODE_INVERTED)
) _TECHMAP_REPLACE_ (
.ACOUT(ACOUT),
.BCOUT(BCOUT),
.CARRYCASCOUT(CARRYCASCOUT),
.CARRYOUT(CARRYOUT),
.MULTSIGNOUT(MULTSIGNOUT),
.OVERFLOW(OVERFLOW),
.P(oP),
.PATTERNBDETECT(PATTERNBDETECT),
.PATTERNDETECT(PATTERNDETECT),
.PCOUT(oPCOUT),
.UNDERFLOW(UNDERFLOW),
.A(iA),
.ACIN(ACIN),
.ALUMODE(ALUMODE),
.B(iB),
.BCIN(BCIN),
.C(iC),
.CARRYCASCIN(CARRYCASCIN),
.CARRYIN(CARRYIN),
.CARRYINSEL(CARRYINSEL),
.CEA1(CEA1),
.CEA2(CEA2),
.CEAD(CEAD),
.CEALUMODE(CEALUMODE),
.CEB1(CEB1),
.CEB2(CEB2),
.CEC(CEC),
.CECARRYIN(CECARRYIN),
.CECTRL(CECTRL),
.CED(CED),
.CEINMODE(CEINMODE),
.CEM(CEM),
.CEP(CEP),
.CLK(CLK),
.D(iD),
.INMODE(INMODE),
.MULTSIGNIN(MULTSIGNIN),
.OPMODE(OPMODE),
.PCIN(PCIN),
.RSTA(RSTA),
.RSTALLCARRYIN(RSTALLCARRYIN),
.RSTALUMODE(RSTALUMODE),
.RSTB(RSTB),
.RSTC(RSTC),
.RSTCTRL(RSTCTRL),
.RSTD(RSTD),
.RSTINMODE(RSTINMODE),
.RSTM(RSTM),
.RSTP(RSTP)
);
"""
wire [29:0] iA;
wire [17:0] iB;
wire [47:0] iC;
wire [24:0] iD;
wire pA, pB, pC, pD, pAD, pM, pP;
wire [47:0] oP, mP;
wire [47:0] oPCOUT, mPCOUT;
generate
if (USE_MULT == "MULTIPLY" && USE_DPORT == "FALSE") begin
// Disconnect the A-input if MREG is enabled, since
// combinatorial path is broken
if (AREG == 0 && MREG == 0 && PREG == 0)
assign iA = A, pA = 1'bx;
else
\$__ABC_REG #(.WIDTH(30)) rA (.I(A), .O(iA), .Q(pA));
if (BREG == 0 && MREG == 0 && PREG == 0)
assign iB = B, pB = 1'bx;
else
\$__ABC_REG #(.WIDTH(18)) rB (.I(B), .O(iB), .Q(pB));
if (CREG == 0 && PREG == 0)
assign iC = C, pC = 1'bx;
else
\$__ABC_REG #(.WIDTH(48)) rC (.I(C), .O(iC), .Q(pC));
if (DREG == 0)
assign iD = D;
else if (techmap_guard)
$error("Invalid DSP48E1 configuration: DREG enabled but USE_DPORT == \"FALSE\"");
assign pD = 1'bx;
if (ADREG == 1 && techmap_guard)
$error("Invalid DSP48E1 configuration: ADREG enabled but USE_DPORT == \"FALSE\"");
assign pAD = 1'bx;
if (PREG == 0) begin
if (MREG == 1)
\$__ABC_REG rM (.Q(pM));
else
assign pM = 1'bx;
assign pP = 1'bx;
end else begin
assign pM = 1'bx;
\$__ABC_REG rP (.Q(pP));
end
if (MREG == 0 && PREG == 0)
assign mP = oP, mPCOUT = oPCOUT;
else
assign mP = 1'bx, mPCOUT = 1'bx;
\$__ABC_DSP48E1_MULT_P_MUX muxP (
.Aq(pA), .Bq(pB), .Cq(pC), .Dq(pD), .ADq(pAD), .I(oP), .Mq(pM), .P(mP), .Pq(pP), .O(P)
);
\$__ABC_DSP48E1_MULT_PCOUT_MUX muxPCOUT (
.Aq(pA), .Bq(pB), .Cq(pC), .Dq(pD), .ADq(pAD), .I(oPCOUT), .Mq(pM), .P(mPCOUT), .Pq(pP), .O(PCOUT)
);
`DSP48E1_INST(\$__ABC_DSP48E1_MULT )
end
else if (USE_MULT == "MULTIPLY" && USE_DPORT == "TRUE") begin
// Disconnect the A-input if MREG is enabled, since
// combinatorial path is broken
if (AREG == 0 && ADREG == 0 && MREG == 0 && PREG == 0)
assign iA = A, pA = 1'bx;
else
\$__ABC_REG #(.WIDTH(30)) rA (.I(A), .O(iA), .Q(pA));
if (BREG == 0 && MREG == 0 && PREG == 0)
assign iB = B, pB = 1'bx;
else
\$__ABC_REG #(.WIDTH(18)) rB (.I(B), .O(iB), .Q(pB));
if (CREG == 0 && PREG == 0)
assign iC = C, pC = 1'bx;
else
\$__ABC_REG #(.WIDTH(48)) rC (.I(C), .O(iC), .Q(pC));
if (DREG == 0 && ADREG == 0)
assign iD = D, pD = 1'bx;
else
\$__ABC_REG #(.WIDTH(25)) rD (.I(D), .O(iD), .Q(pD));
if (PREG == 0) begin
if (MREG == 1) begin
assign pAD = 1'bx;
\$__ABC_REG rM (.Q(pM));
end else begin
if (ADREG == 1)
\$__ABC_REG rAD (.Q(pAD));
else
assign pAD = 1'bx;
assign pM = 1'bx;
end
assign pP = 1'bx;
end else begin
assign pAD = 1'bx, pM = 1'bx;
\$__ABC_REG rP (.Q(pP));
end
if (MREG == 0 && PREG == 0)
assign mP = oP, mPCOUT = oPCOUT;
else
assign mP = 1'bx, mPCOUT = 1'bx;
\$__ABC_DSP48E1_MULT_DPORT_P_MUX muxP (
.Aq(pA), .Bq(pB), .Cq(pC), .Dq(pD), .ADq(pAD), .I(oP), .Mq(pM), .P(mP), .Pq(pP), .O(P)
);
\$__ABC_DSP48E1_MULT_DPORT_PCOUT_MUX muxPCOUT (
.Aq(pA), .Bq(pB), .Cq(pC), .Dq(pD), .ADq(pAD), .I(oPCOUT), .Mq(pM), .P(mPCOUT), .Pq(pP), .O(PCOUT)
);
`DSP48E1_INST(\$__ABC_DSP48E1_MULT_DPORT )
end
else if (USE_MULT == "NONE" && USE_DPORT == "FALSE") begin
// Disconnect the A-input if MREG is enabled, since
// combinatorial path is broken
if (AREG == 0 && PREG == 0)
assign iA = A, pA = 1'bx;
else
\$__ABC_REG #(.WIDTH(30)) rA (.I(A), .O(iA), .Q(pA));
if (BREG == 0 && PREG == 0)
assign iB = B, pB = 1'bx;
else
\$__ABC_REG #(.WIDTH(18)) rB (.I(B), .O(iB), .Q(pB));
if (CREG == 0 && PREG == 0)
assign iC = C, pC = 1'bx;
else
\$__ABC_REG #(.WIDTH(48)) rC (.I(C), .O(iC), .Q(pC));
if (DREG == 1 && techmap_guard)
$error("Invalid DSP48E1 configuration: DREG enabled but USE_DPORT == \"FALSE\"");
assign pD = 1'bx;
if (ADREG == 1 && techmap_guard)
$error("Invalid DSP48E1 configuration: ADREG enabled but USE_DPORT == \"FALSE\"");
assign pAD = 1'bx;
if (MREG == 1 && techmap_guard)
$error("Invalid DSP48E1 configuration: MREG enabled but USE_MULT == \"NONE\"");
assign pM = 1'bx;
if (PREG == 1)
\$__ABC_REG rP (.Q(pP));
else
assign pP = 1'bx;
if (MREG == 0 && PREG == 0)
assign mP = oP, mPCOUT = oPCOUT;
else
assign mP = 1'bx, mPCOUT = 1'bx;
\$__ABC_DSP48E1_P_MUX muxP (
.Aq(pA), .Bq(pB), .Cq(pC), .Dq(pD), .ADq(pAD), .I(oP), .Mq(pM), .P(mP), .Pq(pP), .O(P)
);
\$__ABC_DSP48E1_PCOUT_MUX muxPCOUT (
.Aq(pA), .Bq(pB), .Cq(pC), .Dq(pD), .ADq(pAD), .I(oPCOUT), .Mq(pM), .P(mPCOUT), .Pq(pP), .O(PCOUT)
);
`DSP48E1_INST(\$__ABC_DSP48E1 )
end
else
$error("Invalid DSP48E1 configuration");
endgenerate
`undef DSP48E1_INST
endmodule
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