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Diffstat (limited to 'rtl/ed25519_uop.vh')
| -rw-r--r-- | rtl/ed25519_uop.vh | 128 |
1 files changed, 128 insertions, 0 deletions
diff --git a/rtl/ed25519_uop.vh b/rtl/ed25519_uop.vh new file mode 100644 index 0000000..12b9e10 --- /dev/null +++ b/rtl/ed25519_uop.vh @@ -0,0 +1,128 @@ +//====================================================================== +// +// Copyright (c) 2018, 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. +// +//====================================================================== + +localparam integer UOP_ADDR_WIDTH = 9; // 2 ^ 9 = max 512 instructions + +localparam integer UOP_DATA_WIDTH = 5 + 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_BEFORE_ROUND_K0 = 9'd009; +localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_BEFORE_ROUND_K1 = 9'd018; +localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_DURING_ROUND = 9'd027; +localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_AFTER_ROUND_K0 = 9'd062; +localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_AFTER_ROUND_K1 = 9'd067; +localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_BEFORE_INVERSION = 9'd072; +localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_DURING_INVERSION = 9'd075; +localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_AFTER_INVERSION = 9'd354; +localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_FINAL_REDUCTION = 9'd358; +localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_HANDLE_SIGN = 9'd361; +localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_OUTPUT = 9'd363; + +localparam [4:0] UOP_OPCODE_COPY = 5'b00001; +localparam [4:0] UOP_OPCODE_ADD = 5'b00010; +localparam [4:0] UOP_OPCODE_SUB = 5'b00100; +localparam [4:0] UOP_OPCODE_MUL = 5'b01000; +localparam [4:0] UOP_OPCODE_STOP = 5'b10000; + +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_INVERT_R1 = 6'd02; +localparam [5:0] UOP_OPERAND_INVERT_R2 = 6'd03; + +localparam [5:0] UOP_OPERAND_INVERT_T_1 = 6'd04; +localparam [5:0] UOP_OPERAND_INVERT_T_10 = 6'd05; +localparam [5:0] UOP_OPERAND_INVERT_T_1001 = 6'd06; +localparam [5:0] UOP_OPERAND_INVERT_T_1011 = 6'd07; + +localparam [5:0] UOP_OPERAND_INVERT_T_X5 = 6'd08; +localparam [5:0] UOP_OPERAND_INVERT_T_X10 = 6'd09; +localparam [5:0] UOP_OPERAND_INVERT_T_X20 = 6'd10; +localparam [5:0] UOP_OPERAND_INVERT_T_X40 = 6'd11; +localparam [5:0] UOP_OPERAND_INVERT_T_X50 = 6'd12; +localparam [5:0] UOP_OPERAND_INVERT_T_X100 = 6'd13; + +localparam [5:0] UOP_OPERAND_CONST_G_X = 6'd14; +localparam [5:0] UOP_OPERAND_CONST_G_Y = 6'd15; +localparam [5:0] UOP_OPERAND_CONST_G_T = 6'd16; + +localparam [5:0] UOP_OPERAND_CYCLE_R0_X = 6'd17; +localparam [5:0] UOP_OPERAND_CYCLE_R0_Y = 6'd18; +localparam [5:0] UOP_OPERAND_CYCLE_R0_Z = 6'd19; +localparam [5:0] UOP_OPERAND_CYCLE_R0_T = 6'd20; + +localparam [5:0] UOP_OPERAND_CYCLE_R1_X = 6'd21; +localparam [5:0] UOP_OPERAND_CYCLE_R1_Y = 6'd22; +localparam [5:0] UOP_OPERAND_CYCLE_R1_Z = 6'd23; +localparam [5:0] UOP_OPERAND_CYCLE_R1_T = 6'd24; + +localparam [5:0] UOP_OPERAND_CYCLE_S_X = 6'd25; +localparam [5:0] UOP_OPERAND_CYCLE_S_Y = 6'd26; +localparam [5:0] UOP_OPERAND_CYCLE_S_Z = 6'd27; +localparam [5:0] UOP_OPERAND_CYCLE_S_T = 6'd28; + +localparam [5:0] UOP_OPERAND_CYCLE_T_X = 6'd29; +localparam [5:0] UOP_OPERAND_CYCLE_T_Y = 6'd30; +localparam [5:0] UOP_OPERAND_CYCLE_T_Z = 6'd31; +localparam [5:0] UOP_OPERAND_CYCLE_T_T = 6'd32; + +localparam [5:0] UOP_OPERAND_CYCLE_U_X = 6'd33; +localparam [5:0] UOP_OPERAND_CYCLE_U_Y = 6'd34; +localparam [5:0] UOP_OPERAND_CYCLE_U_Z = 6'd35; +localparam [5:0] UOP_OPERAND_CYCLE_U_T = 6'd36; + +localparam [5:0] UOP_OPERAND_CYCLE_V_X = 6'd37; +localparam [5:0] UOP_OPERAND_CYCLE_V_Y = 6'd38; +localparam [5:0] UOP_OPERAND_CYCLE_V_Z = 6'd39; +localparam [5:0] UOP_OPERAND_CYCLE_V_T = 6'd40; + +localparam [5:0] UOP_OPERAND_PROC_A = 6'd41; +localparam [5:0] UOP_OPERAND_PROC_B = 6'd42; +localparam [5:0] UOP_OPERAND_PROC_C = 6'd43; +localparam [5:0] UOP_OPERAND_PROC_D = 6'd44; +localparam [5:0] UOP_OPERAND_PROC_E = 6'd45; +localparam [5:0] UOP_OPERAND_PROC_F = 6'd46; +localparam [5:0] UOP_OPERAND_PROC_G = 6'd47; +localparam [5:0] UOP_OPERAND_PROC_H = 6'd48; +localparam [5:0] UOP_OPERAND_PROC_I = 6'd49; +localparam [5:0] UOP_OPERAND_PROC_J = 6'd50; + +localparam [5:0] UOP_OPERAND_DONTCARE = 6'dXX; + + +//------------------------------------------------------------------------------ +// End-of-File +//------------------------------------------------------------------------------ |