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Diffstat (limited to 'src/rtl/shr32.v')
| -rw-r--r-- | src/rtl/shr32.v | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/src/rtl/shr32.v b/src/rtl/shr32.v deleted file mode 100644 index 40ef111..0000000 --- a/src/rtl/shr32.v +++ /dev/null @@ -1,56 +0,0 @@ -//====================================================================== -// -// shr32.v -// ------- -// One bit right shift with carry in and carry out. -// Used in the montprod module of the modexp core. -// -// -// Author: Peter Magnusson, Joachim Strömbergson -// Copyright (c) 2015, 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 shr #(parameter OPW = 32) - ( - input wire [(OPW - 1) : 0] a, - input wire carry_in, - - output wire [(OPW - 1) : 0] adiv2, - output wire carry_out - ); - - assign adiv2 = {carry_in, a[(OPW - 1) : 1]}; - assign carry_out = a[0]; - -endmodule // shr - -//====================================================================== -// EOF shr.v -//====================================================================== |