diff options
Diffstat (limited to 'rtl')
| -rw-r--r-- | rtl/ed25519_microcode.v | 88 | ||||
| -rw-r--r-- | rtl/ed25519_uop.v | 119 |
2 files changed, 207 insertions, 0 deletions
diff --git a/rtl/ed25519_microcode.v b/rtl/ed25519_microcode.v new file mode 100644 index 0000000..95f8fec --- /dev/null +++ b/rtl/ed25519_microcode.v @@ -0,0 +1,88 @@ +//====================================================================== +// +// 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. +// +//======================================================================`timescale 1ns 1ps + + +module ed25519_microcode +( + input wire clk, + input wire [UOP_ADDR_WIDTH-1:0] addr, + output reg [UOP_DATA_WIDTH-1:0] data +); + +`include "ed25519_uop.v" + + always @(posedge clk) + // + case (addr) + + // Initialization + 6'd00: data <= {UOP_OPCODE_COPY, UOP_BANKS_HI2LO, UOP_OPERAND_CONST_ZERO, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_R0_X}; + 6'd01: data <= {UOP_OPCODE_COPY, UOP_BANKS_HI2LO, UOP_OPERAND_CONST_ONE, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_R0_Y}; + 6'd02: data <= {UOP_OPCODE_COPY, UOP_BANKS_HI2LO, UOP_OPERAND_CONST_ONE, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_R0_Z}; + 6'd03: data <= {UOP_OPCODE_COPY, UOP_BANKS_HI2LO, UOP_OPERAND_CONST_ZERO, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_R0_T}; + + 6'd04: data <= {UOP_OPCODE_COPY, UOP_BANKS_HI2LO, UOP_OPERAND_CONST_G_X, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_R1_X}; + 6'd05: data <= {UOP_OPCODE_COPY, UOP_BANKS_HI2LO, UOP_OPERAND_CONST_G_Y, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_R1_Y}; + 6'd06: data <= {UOP_OPCODE_COPY, UOP_BANKS_HI2LO, UOP_OPERAND_CONST_ONE, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_R1_Z}; + 6'd07: data <= {UOP_OPCODE_COPY, UOP_BANKS_HI2LO, UOP_OPERAND_CONST_G_T, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_R1_T}; + + 6'd08: data <= {UOP_OPCODE_STOP, UOP_BANKS_DUMMY, UOP_OPERAND_DONTCARE, UOP_OPERAND_DONTCARE, UOP_OPERAND_DONTCARE}; + + // Before Round when k = 1 + 6'd09: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R0_X, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_U_X}; + 6'd10: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R0_Y, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_U_Y}; + 6'd11: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R0_Z, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_U_Z}; + 6'd12: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R0_T, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_U_T}; + + 6'd13: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R1_X, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_V_X}; + 6'd14: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R1_Y, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_V_Y}; + 6'd15: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R1_Z, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_V_Z}; + 6'd16: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R1_T, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_V_T}; + + 6'd17: data <= {UOP_OPCODE_STOP, UOP_BANKS_DUMMY, UOP_OPERAND_DONTCARE, UOP_OPERAND_DONTCARE, UOP_OPERAND_DONTCARE}; + + // Before Round when k = 0 + 6'd18: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R0_X, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_V_X}; + 6'd19: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R0_Y, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_V_Y}; + 6'd20: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R0_Z, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_V_Z}; + 6'd21: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R0_T, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_V_T}; + + 6'd22: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R1_X, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_U_X}; + 6'd23: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R1_Y, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_U_Y}; + 6'd24: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R1_Z, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_U_Z}; + 6'd25: data <= {UOP_OPCODE_COPY, UOP_BANKS_LO2HI, UOP_OPERAND_CYCLE_R1_T, UOP_OPERAND_DONTCARE, UOP_OPERAND_CYCLE_U_T}; + + 6'd26: data <= {UOP_OPCODE_STOP, UOP_BANKS_DUMMY, UOP_OPERAND_DONTCARE, UOP_OPERAND_DONTCARE, UOP_OPERAND_DONTCARE}; + + endcase + +endmodule diff --git a/rtl/ed25519_uop.v b/rtl/ed25519_uop.v new file mode 100644 index 0000000..4b744c6 --- /dev/null +++ b/rtl/ed25519_uop.v @@ -0,0 +1,119 @@ +//====================================================================== +// +// 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 = 6; // 2 ^ 6 = 64 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 = 6'd00; +localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_BEFORE_ROUND_K1 = 6'd09; +localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_BEFORE_ROUND_K0 = 6'd18; + +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 +//------------------------------------------------------------------------------ |