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//======================================================================
//
// Copyright 2018 NORDUnet A/S
// Copyright 2021 The Commons Conservancy Cryptech Project
// SPDX-License-Identifier: BSD-3-Clause
//
// 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 copyright holder 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.
//
//======================================================================
//
// 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
//------------------------------------------------------------------------------
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