//======================================================================
//
// Copyright (c) 2018, 2021 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
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//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
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// HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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//======================================================================


//
// Debug Switch (should be turned off for synthesis)
//
//`define CRYPTECH_DEBUG_ECDSA


localparam integer UOP_ADDR_WIDTH    = 9;    // 2 ^ 9 = max 512 instructions

localparam integer UOP_DATA_WIDTH = 6 + 1 + 3 * 6;  // opcode + banks + 3 * operand (2 * src + dst)

localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_PREPARE                    = 9'd000;
localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_DOUBLE_R0            = 9'd007;
localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_DOUBLE_R1            = 9'd029;
localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_ADD                  = 9'd051;
localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_ADD_R0_AT_INFINITY   = 9'd084;
localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_ADD_R1_AT_INFINITY   = 9'd088;
localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_ADD_REGULAR          = 9'd092;
localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_K0                   = 9'd096;
localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_K1                   = 9'd103;
localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CONVERT                    = 9'd110;
localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_INVERT                     = 9'd113;

localparam [5:0] UOP_OPCODE_CMPZ    = 6'b000001;
localparam [5:0] UOP_OPCODE_COPY    = 6'b000010;
localparam [5:0] UOP_OPCODE_ADD     = 6'b000100;
localparam [5:0] UOP_OPCODE_SUB     = 6'b001000;
localparam [5:0] UOP_OPCODE_MUL     = 6'b010000;
localparam [5:0] UOP_OPCODE_STOP    = 6'b100000;

localparam UOP_BANKS_LO2HI  = 1'b0;
localparam UOP_BANKS_HI2LO  = 1'b1;
localparam UOP_BANKS_DUMMY  = 1'bX;

localparam [5:0] UOP_OPERAND_CONST_ZERO     = 6'd00;
localparam [5:0] UOP_OPERAND_CONST_ONE      = 6'd01;
localparam [5:0] UOP_OPERAND_CONST_DELTA    = 6'd02;

localparam [5:0] UOP_OPERAND_CONST_GX       = 6'd03;
localparam [5:0] UOP_OPERAND_CONST_GY       = 6'd04;

localparam [5:0] UOP_OPERAND_CYCLE_R0X      = 6'd05;
localparam [5:0] UOP_OPERAND_CYCLE_R0Y      = 6'd06;
localparam [5:0] UOP_OPERAND_CYCLE_R0Z      = 6'd07;

localparam [5:0] UOP_OPERAND_CYCLE_R1X      = 6'd08;
localparam [5:0] UOP_OPERAND_CYCLE_R1Y      = 6'd09;
localparam [5:0] UOP_OPERAND_CYCLE_R1Z      = 6'd10;

localparam [5:0] UOP_OPERAND_CYCLE_SX       = 6'd11;
localparam [5:0] UOP_OPERAND_CYCLE_SY       = 6'd12;
localparam [5:0] UOP_OPERAND_CYCLE_SZ       = 6'd13;

localparam [5:0] UOP_OPERAND_CYCLE_TX       = 6'd14;
localparam [5:0] UOP_OPERAND_CYCLE_TY       = 6'd15;
localparam [5:0] UOP_OPERAND_CYCLE_TZ       = 6'd16;

localparam [5:0] UOP_OPERAND_CYCLE_T1       = 6'd17;
localparam [5:0] UOP_OPERAND_CYCLE_T2       = 6'd18;
localparam [5:0] UOP_OPERAND_CYCLE_T3       = 6'd19;
localparam [5:0] UOP_OPERAND_CYCLE_T4       = 6'd20;

localparam [5:0] UOP_OPERAND_CYCLE_T5       = 6'd21;
localparam [5:0] UOP_OPERAND_CYCLE_T6       = 6'd22;
localparam [5:0] UOP_OPERAND_CYCLE_T7       = 6'd23;
localparam [5:0] UOP_OPERAND_CYCLE_T8       = 6'd24;

localparam [5:0] UOP_OPERAND_INVERT_R1      = 6'd25;
localparam [5:0] UOP_OPERAND_INVERT_R2      = 6'd26;

localparam [5:0] UOP_OPERAND_INVERT_X2      = 6'd27;
localparam [5:0] UOP_OPERAND_INVERT_X3      = 6'd28;
localparam [5:0] UOP_OPERAND_INVERT_X6      = 6'd29;
localparam [5:0] UOP_OPERAND_INVERT_X12     = 6'd30;
localparam [5:0] UOP_OPERAND_INVERT_X15     = 6'd31;
localparam [5:0] UOP_OPERAND_INVERT_X30     = 6'd32;
localparam [5:0] UOP_OPERAND_INVERT_X32     = 6'd33;
localparam [5:0] UOP_OPERAND_INVERT_X60     = 6'd34;
localparam [5:0] UOP_OPERAND_INVERT_X120    = 6'd35;

localparam [5:0] UOP_OPERAND_INVERT_A2      = 6'd36;
localparam [5:0] UOP_OPERAND_INVERT_A3      = 6'd37;

localparam [5:0] UOP_OPERAND_DONTCARE       = 6'dX;


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