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-rw-r--r--rtl/modexpng_dsp_slice_wrapper_xilinx.v165
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diff --git a/rtl/modexpng_dsp_slice_wrapper_xilinx.v b/rtl/modexpng_dsp_slice_wrapper_xilinx.v
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-//======================================================================
-//
-// Copyright (c) 2019, NORDUnet A/S All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions
-// are met:
-// - Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//
-// - Redistributions in binary form must reproduce the above copyright
-// notice, this list of conditions and the following disclaimer in the
-// documentation and/or other materials provided with the distribution.
-//
-// - Neither the name of the NORDUnet nor the names of its contributors may
-// be used to endorse or promote products derived from this software
-// without specific prior written permission.
-//
-// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
-// IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
-// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
-// PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
-// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
-// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
-// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-//
-//======================================================================
-
-module modexpng_dsp_slice_wrapper_xilinx #
-(
- AB_INPUT = "DIRECT",
- B_REG = 2
-)
-(
- clk,
- ce_a1, ce_b1, ce_a2, ce_b2,
- ce_m, ce_p, ce_mode,
- a, b, p,
- inmode, opmode, alumode,
- casc_a_in, casc_b_in,
- casc_a_out, casc_b_out
-);
-
- `include "modexpng_parameters.vh"
- `include "modexpng_dsp48e1.vh"
-
- input clk;
- input ce_a1;
- input ce_b1;
- input ce_a2;
- input ce_b2;
- input ce_m;
- input ce_p;
- input ce_mode;
- input [ WORD_EXT_W -1:0] a;
- input [ WORD_W -1:0] b;
- output [ MAC_W -1:0] p;
- input [ DSP48E1_INMODE_W -1:0] inmode;
- input [ DSP48E1_OPMODE_W -1:0] opmode;
- input [DSP48E1_ALUMODE_W -1:0] alumode;
- input [ DSP48E1_A_W -1:0] casc_a_in;
- input [ DSP48E1_B_W -1:0] casc_b_in;
- output [ DSP48E1_A_W -1:0] casc_a_out;
- output [ DSP48E1_B_W -1:0] casc_b_out;
-
- wire [DSP48E1_P_W - MAC_W -1:0] p_dummy;
-
- DSP48E1 #
- (
- .AREG (2),
- .BREG (B_REG),
- .CREG (0),
- .DREG (0),
- .ADREG (0),
- .MREG (1),
- .PREG (1),
- .ACASCREG (1),
- .BCASCREG (1),
- .INMODEREG (0),
- .OPMODEREG (1),
- .ALUMODEREG (0),
- .CARRYINREG (0),
- .CARRYINSELREG (0),
-
- .A_INPUT (AB_INPUT),
- .B_INPUT (AB_INPUT),
-
- .USE_DPORT ("FALSE"),
- .USE_MULT ("DYNAMIC"),
- .USE_SIMD ("ONE48"),
-
- .MASK ({DSP48E1_P_W{1'b1}}),
- .PATTERN ({DSP48E1_P_W{1'b0}}),
- .SEL_MASK ("MASK"),
- .SEL_PATTERN ("PATTERN"),
-
- .USE_PATTERN_DETECT ("NO_PATDET"),
- .AUTORESET_PATDET ("NO_RESET")
- )
- DSP48E1_inst
- (
- .CLK (clk),
-
- .CEA1 (ce_a1),
- .CEB1 (ce_b1),
- .CEA2 (ce_a2),
- .CEB2 (ce_b2),
- .CEAD (1'b0),
- .CEC (1'b0),
- .CED (1'b0),
- .CEM (ce_m),
- .CEP (ce_p),
- .CEINMODE (1'b0),
- .CECTRL (ce_mode),
- .CEALUMODE (1'b0),
- .CECARRYIN (1'b0),
-
- .A ({{(DSP48E1_A_W-WORD_EXT_W){1'b0}}, a}),
- .B ({{(DSP48E1_B_W-WORD_W){1'b0}}, b}),
- .C ({DSP48E1_C_W{1'b0}}),
- .D ({DSP48E1_D_W{1'b0}}),
- .P ({p_dummy, p}),
-
- .INMODE (inmode),
- .OPMODE (opmode),
- .ALUMODE (alumode),
-
- .ACIN (casc_a_in),
- .BCIN (casc_b_in),
- .ACOUT (casc_a_out),
- .BCOUT (casc_b_out),
- .PCIN ({DSP48E1_P_W{1'b0}}),
- .PCOUT (),
- .CARRYCASCIN (1'b0),
- .CARRYCASCOUT (),
-
- .RSTA (1'b0),
- .RSTB (1'b0),
- .RSTC (1'b0),
- .RSTD (1'b0),
- .RSTM (1'b0),
- .RSTP (1'b0),
- .RSTINMODE (1'b0),
- .RSTCTRL (1'b0),
- .RSTALUMODE (1'b0),
- .RSTALLCARRYIN (1'b0),
-
- .UNDERFLOW (),
- .OVERFLOW (),
- .PATTERNDETECT (),
- .PATTERNBDETECT (),
-
- .CARRYIN (1'b0),
- .CARRYOUT (),
- .CARRYINSEL (3'b000),
-
- .MULTSIGNIN (1'b0),
- .MULTSIGNOUT ()
- );
-
-endmodule