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Diffstat (limited to 'src/rtl/pe/generic/modexpa7_systolic_pe_generic.v')
| -rw-r--r-- | src/rtl/pe/generic/modexpa7_systolic_pe_generic.v | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/src/rtl/pe/generic/modexpa7_systolic_pe_generic.v b/src/rtl/pe/generic/modexpa7_systolic_pe_generic.v deleted file mode 100644 index 389b1f9..0000000 --- a/src/rtl/pe/generic/modexpa7_systolic_pe_generic.v +++ /dev/null @@ -1,85 +0,0 @@ -//====================================================================== -// -// modexpa7_systolic_pe_generic.v -// ----------------------------------------------------------------------------- -// Generic low-level systolic array processing element. -// -// Authors: Pavel Shatov -// -// Copyright (c) 2017, 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 modexpa7_systolic_pe_generic - ( - input clk, - input [31: 0] a, - input [31: 0] b, - input [31: 0] t, - input [31: 0] c_in, - output [31: 0] p, - output [31: 0] c_out - ); - - // - // Customizable Latency - // - parameter LATENCY = 4; - - // - // Delay Line - // - reg [63: 0] abct[1:LATENCY]; - - // - // Outputs - // - assign p = abct[LATENCY][31: 0]; - assign c_out = abct[LATENCY][63:32]; - - // - // Sub-products - // - wire [63: 0] ab = {{32{1'b0}}, a} * {{32{1'b0}}, b}; - wire [63: 0] ct = {{32{1'b0}}, c_in} + {{32{1'b0}}, t}; - - // - // Delay - // - integer i; - always @(posedge clk) - // - for (i=1; i<=LATENCY; i=i+1) - abct[i] <= (i == 1) ? ab + ct : abct[i-1]; - -endmodule - -//====================================================================== -// End of file -//====================================================================== |