//======================================================================
//
// Copyright (c) 2018, NORDUnet A/S All rights reserved.
//
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// - Redistributions of source code must retain the above copyright
//   notice, this list of conditions and the following disclaimer.
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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//======================================================================

/* IMPORTANT: The scope of `define in Verilog is somewhat unevident (one
              "compilation unit"), thus all `defines are prefixed with
              CRYPTECH_ to prevent any potentical conflicts.
              */
              
/* NOTE: You can comment the following line when simulating to use generic
         primitives and get some speedup, otherwise un-comment it to take
         advantage of vendor-specific hardware math slices when building the
         bitstream.
         */
   

    // generic/vendor switch
`define CRYPTECH_USE_VENDOR_PRIMITIVES


    //
    // Generic Math Primitives
    //
`define CRYPTECH_PRIMITIVE_MAC16_GENERIC    mac16_generic
`define CRYPTECH_PRIMITIVE_ADD32_GENERIC    adder32_generic
`define CRYPTECH_PRIMITIVE_ADD47_GENERIC    adder47_generic
`define CRYPTECH_PRIMITIVE_SUB32_GENERIC    subtractor32_generic
    

    //
    // Xilinx Math Primitives for Artix-7 Family
    //
`define CRYPTECH_PRIMITIVE_MAC16_VENDOR     mac16_artix7
`define CRYPTECH_PRIMITIVE_ADD32_VENDOR     adder32_artix7
`define CRYPTECH_PRIMITIVE_ADD47_VENDOR     adder47_artix7
`define CRYPTECH_PRIMITIVE_SUB32_VENDOR     subtractor32_artix7



/* map CRYPTECH_PRIMITIVE_* to either CRYPTECH_PRIMITIVE_*_GENERIC or 
   CRYPTECH_PRIMITIVE_*_VENDOR based on the value of the earlier generic/vendor
   switch.
   */
   
`ifndef CRYPTECH_USE_VENDOR_PRIMITIVES

    // generic primitives
`define CRYPTECH_PRIMITIVE_MAC16 `CRYPTECH_PRIMITIVE_MAC16_GENERIC
`define CRYPTECH_PRIMITIVE_ADD32 `CRYPTECH_PRIMITIVE_ADD32_GENERIC
`define CRYPTECH_PRIMITIVE_ADD47 `CRYPTECH_PRIMITIVE_ADD47_GENERIC
`define CRYPTECH_PRIMITIVE_SUB32 `CRYPTECH_PRIMITIVE_SUB32_GENERIC

`else

    // vendor-specific primitives
`define CRYPTECH_PRIMITIVE_MAC16 `CRYPTECH_PRIMITIVE_MAC16_VENDOR
`define CRYPTECH_PRIMITIVE_ADD47 `CRYPTECH_PRIMITIVE_ADD47_VENDOR
`define CRYPTECH_PRIMITIVE_ADD32 `CRYPTECH_PRIMITIVE_ADD32_VENDOR
`define CRYPTECH_PRIMITIVE_SUB32 `CRYPTECH_PRIMITIVE_SUB32_VENDOR

`endif


//------------------------------------------------------------------------------
// End-of-File
//------------------------------------------------------------------------------