always @(posedge CLK) if (CE) r <= { r[30:0], D };
endgenerate
endmodule
+
+module DSP48E1 (
+ output [29:0] ACOUT,
+ output [17:0] BCOUT,
+ output CARRYCASCOUT,
+ output [3:0] CARRYOUT,
+ output MULTSIGNOUT,
+ output OVERFLOW,
+ output reg [47:0] P,
+ output PATTERNBDETECT,
+ output PATTERNDETECT,
+ output [47:0] PCOUT,
+ output UNDERFLOW,
+ input [29:0] A,
+ input [29:0] ACIN,
+ input [3:0] ALUMODE,
+ input [17:0] B,
+ input [17:0] BCIN,
+ input [47:0] C,
+ input CARRYCASCIN,
+ input CARRYIN,
+ input [2:0] CARRYINSEL,
+ input CEA1,
+ input CEA2,
+ input CEAD,
+ input CEALUMODE,
+ input CEB1,
+ input CEB2,
+ input CEC,
+ input CECARRYIN,
+ input CECTRL,
+ input CED,
+ input CEINMODE,
+ input CEM,
+ input CEP,
+ input CLK,
+ input [24:0] D,
+ input [4:0] INMODE,
+ input MULTSIGNIN,
+ input [6:0] OPMODE,
+ input [47:0] PCIN,
+ input RSTA,
+ input RSTALLCARRYIN,
+ input RSTALUMODE,
+ input RSTB,
+ input RSTC,
+ input RSTCTRL,
+ input RSTD,
+ input RSTINMODE,
+ input RSTM,
+ 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;
+
+ initial begin
+`ifdef __ICARUS__
+ if (ACASCREG != 0) $fatal(1, "Unsupported ACASCREG value");
+ if (ADREG != 0) $fatal(1, "Unsupported ADREG value");
+ if (ALUMODEREG != 0) $fatal(1, "Unsupported ALUMODEREG value");
+ if (AREG != 0) $fatal(1, "Unsupported AREG value");
+ if (AUTORESET_PATDET != "NO_RESET") $fatal(1, "Unsupported AUTORESET_PATDET value");
+ if (A_INPUT != "DIRECT") $fatal(1, "Unsupported A_INPUT value");
+ if (BCASCREG != 0) $fatal(1, "Unsupported BCASCREG value");
+ if (BREG != 0) $fatal(1, "Unsupported BREG value");
+ if (B_INPUT != "DIRECT") $fatal(1, "Unsupported B_INPUT value");
+ if (CARRYINREG != 0) $fatal(1, "Unsupported CARRYINREG value");
+ if (CARRYINSELREG != 0) $fatal(1, "Unsupported CARRYINSELREG value");
+ if (CREG != 0) $fatal(1, "Unsupported CREG value");
+ if (DREG != 0) $fatal(1, "Unsupported DREG value");
+ if (INMODEREG != 0) $fatal(1, "Unsupported INMODEREG value");
+ if (MREG != 0) $fatal(1, "Unsupported MREG value");
+ if (OPMODEREG != 0) $fatal(1, "Unsupported OPMODEREG value");
+ if (PREG != 0) $fatal(1, "Unsupported PREG value");
+ if (SEL_MASK != "MASK") $fatal(1, "Unsupported SEL_MASK value");
+ if (SEL_PATTERN != "PATTERN") $fatal(1, "Unsupported SEL_PATTERN value");
+ if (USE_DPORT != "FALSE") $fatal(1, "Unsupported USE_DPORT value");
+ if (USE_MULT != "MULTIPLY") $fatal(1, "Unsupported USE_MULT value");
+ if (USE_PATTERN_DETECT != "NO_PATDET") $fatal(1, "Unsupported USE_PATTERN_DETECT value");
+ if (USE_SIMD != "ONE48") $fatal(1, "Unsupported USE_SIMD value");
+ if (IS_ALUMODE_INVERTED != 4'b0) $fatal(1, "Unsupported IS_ALUMODE_INVERTED value");
+ if (IS_CARRYIN_INVERTED != 1'b0) $fatal(1, "Unsupported IS_CARRYIN_INVERTED value");
+ if (IS_CLK_INVERTED != 1'b0) $fatal(1, "Unsupported IS_CLK_INVERTED value");
+ if (IS_INMODE_INVERTED != 5'b0) $fatal(1, "Unsupported IS_INMODE_INVERTED value");
+ if (IS_OPMODE_INVERTED != 7'b0) $fatal(1, "Unsupported IS_OPMODE_INVERTED value");
+`endif
+ end
+
+ always @* begin
+ P <= {48{1'bx}};
+`ifdef __ICARUS__
+ if (INMODE != 4'b0000) $fatal(1, "Unsupported INMODE value");
+ if (ALUMODE != 4'b0000) $fatal(1, "Unsupported ALUMODE value");
+ if (OPMODE != 7'b000101) $fatal(1, "Unsupported OPMODE value");
+ if (CARRYINSEL != 3'b000) $fatal(1, "Unsupported CARRYINSEL value");
+ if (ACIN != 30'b0) $fatal(1, "Unsupported ACIN value");
+ if (BCIN != 18'b0) $fatal(1, "Unsupported BCIN value");
+ if (PCIN != 48'b0) $fatal(1, "Unsupported PCIN value");
+ if (CARRYIN != 1'b0) $fatal(1, "Unsupported CARRYIN value");
+`endif
+ P[42:0] <= A[24:0] * B;
+ end
+endmodule
input CLK, DIN, READ, SHIFT;
endmodule
-module DSP48E1 (...);
- 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;
- output [29:0] ACOUT;
- output [17:0] BCOUT;
- output CARRYCASCOUT;
- output [3:0] CARRYOUT;
- output MULTSIGNOUT;
- output OVERFLOW;
- output [47:0] P;
- output PATTERNBDETECT;
- output PATTERNDETECT;
- output [47:0] PCOUT;
- output UNDERFLOW;
- input [29:0] A;
- input [29:0] ACIN;
- input [3:0] ALUMODE;
- input [17:0] B;
- input [17:0] BCIN;
- input [47:0] C;
- input CARRYCASCIN;
- input CARRYIN;
- input [2:0] CARRYINSEL;
- input CEA1;
- input CEA2;
- input CEAD;
- input CEALUMODE;
- input CEB1;
- input CEB2;
- input CEC;
- input CECARRYIN;
- input CECTRL;
- input CED;
- input CEINMODE;
- input CEM;
- input CEP;
- input CLK;
- input [24:0] D;
- input [4:0] INMODE;
- input MULTSIGNIN;
- input [6:0] OPMODE;
- input [47:0] PCIN;
- input RSTA;
- input RSTALLCARRYIN;
- input RSTALUMODE;
- input RSTB;
- input RSTC;
- input RSTCTRL;
- input RSTD;
- input RSTINMODE;
- input RSTM;
- input RSTP;
-endmodule
-
module EFUSE_USR (...);
parameter [31:0] SIM_EFUSE_VALUE = 32'h00000000;
output [31:0] EFUSEUSR;