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-rw-r--r--rtl/curve/curve_dbl_add_256.v874
-rw-r--r--rtl/curve/curve_mul_256.v720
-rw-r--r--rtl/curve/rom/brom_p256_delta.v68
-rw-r--r--rtl/curve/rom/brom_p256_g_x.v68
-rw-r--r--rtl/curve/rom/brom_p256_g_y.v68
-rw-r--r--rtl/curve/rom/brom_p256_h_x.v68
-rw-r--r--rtl/curve/rom/brom_p256_h_y.v68
-rw-r--r--rtl/curve/rom/brom_p256_one.v68
-rw-r--r--rtl/curve/rom/brom_p256_q.v68
-rw-r--r--rtl/curve/rom/brom_p256_zero.v70
-rw-r--r--rtl/curve/uop/uop_add_rom.v82
-rw-r--r--rtl/curve/uop/uop_conv_rom.v72
-rw-r--r--rtl/curve/uop/uop_dbl_rom.v68
-rw-r--r--rtl/curve/uop/uop_init_rom.v62
-rw-r--r--rtl/curve/uop_ecdsa.v4
15 files changed, 144 insertions, 2284 deletions
diff --git a/rtl/curve/curve_dbl_add_256.v b/rtl/curve/curve_dbl_add_256.v
deleted file mode 100644
index 8ef505d..0000000
--- a/rtl/curve/curve_dbl_add_256.v
+++ /dev/null
@@ -1,874 +0,0 @@
-//------------------------------------------------------------------------------
-//
-// curve_dbl_add_256.v
-// -----------------------------------------------------------------------------
-// Elliptic curve point adder and doubler.
-//
-// Authors: Pavel Shatov
-//
-// Copyright (c) 2016, NORDUnet A/S
-//
-// 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.
-//
-//------------------------------------------------------------------------------
-
-module curve_dbl_add_256
- (
- clk, rst_n,
- ena, rdy,
- uop_addr, uop,
- px_addr, py_addr, pz_addr, rx_addr, ry_addr, rz_addr, q_addr, v_addr,
- rx_wren, ry_wren, rz_wren,
- px_din, py_din, pz_din,
- rx_din, ry_din, rz_din,
- rx_dout, ry_dout, rz_dout, q_din, v_din
- );
-
-
- //
- // Microcode
- //
-`include "uop_ecdsa.v"
-
-
- //
- // Constants
- //
- localparam WORD_COUNTER_WIDTH = 3; // 0 .. 7
- localparam OPERAND_NUM_WORDS = 8; // 8 * 32 = 256
-
-
- //
- // Ports
- //
- input wire clk; // system clock
- input wire rst_n; // active-low async reset
-
- input wire ena; // enable input
- output wire rdy; // ready output
-
- output reg [ 6-1: 0] uop_addr;
- input wire [20-1: 0] uop;
-
- output reg [WORD_COUNTER_WIDTH-1:0] px_addr;
- output reg [WORD_COUNTER_WIDTH-1:0] py_addr;
- output reg [WORD_COUNTER_WIDTH-1:0] pz_addr;
- output reg [WORD_COUNTER_WIDTH-1:0] rx_addr;
- output reg [WORD_COUNTER_WIDTH-1:0] ry_addr;
- output reg [WORD_COUNTER_WIDTH-1:0] rz_addr;
- output reg [WORD_COUNTER_WIDTH-1:0] v_addr;
- output wire [WORD_COUNTER_WIDTH-1:0] q_addr;
-
- output wire rx_wren;
- output wire ry_wren;
- output wire rz_wren;
-
- input wire [ 32-1:0] px_din;
- input wire [ 32-1:0] py_din;
- input wire [ 32-1:0] pz_din;
- input wire [ 32-1:0] rx_din;
- input wire [ 32-1:0] ry_din;
- input wire [ 32-1:0] rz_din;
- output wire [ 32-1:0] rx_dout;
- output wire [ 32-1:0] ry_dout;
- output wire [ 32-1:0] rz_dout;
- input wire [ 32-1:0] q_din;
- input wire [ 32-1:0] v_din;
-
-
- //
- // Microcode
- //
- wire [ 4: 0] uop_opcode = uop[19:15];
- wire [ 4: 0] uop_src_a = uop[14:10];
- wire [ 4: 0] uop_src_b = uop[ 9: 5];
- wire [ 2: 0] uop_dst = uop[ 4: 2];
- wire [ 1: 0] uop_exec = uop[ 1: 0];
-
-
- //
- // Multi-Word Comparator
- //
- wire mw_cmp_ena;
- wire mw_cmp_rdy;
-
- wire mw_cmp_out_l;
- wire mw_cmp_out_e;
- wire mw_cmp_out_g;
-
- wire [WORD_COUNTER_WIDTH-1:0] mw_cmp_addr_xy;
-
- wire [ 32-1:0] mw_cmp_din_x;
- wire [ 32-1:0] mw_cmp_din_y;
-
- // flags
- reg flag_pz_is_zero;
- reg flag_t1_is_zero;
- reg flag_t2_is_zero;
-
- mw_comparator #
- (
- .WORD_COUNTER_WIDTH (WORD_COUNTER_WIDTH),
- .OPERAND_NUM_WORDS (OPERAND_NUM_WORDS)
- )
- mw_comparator_inst
- (
- .clk (clk),
- .rst_n (rst_n),
-
- .ena (mw_cmp_ena),
- .rdy (mw_cmp_rdy),
-
- .xy_addr (mw_cmp_addr_xy),
- .x_din (mw_cmp_din_x),
- .y_din (mw_cmp_din_y),
-
- .cmp_l (mw_cmp_out_l),
- .cmp_e (mw_cmp_out_e),
- .cmp_g (mw_cmp_out_g)
- );
-
-
- //
- // Modular Adder
- //
- wire mod_add_ena;
- wire mod_add_rdy;
-
- wire [WORD_COUNTER_WIDTH-1:0] mod_add_addr_ab;
- wire [WORD_COUNTER_WIDTH-1:0] mod_add_addr_n;
- wire [WORD_COUNTER_WIDTH-1:0] mod_add_addr_s;
- wire mod_add_wren_s;
-
- wire [ 32-1:0] mod_add_din_a;
- wire [ 32-1:0] mod_add_din_b;
- wire [ 32-1:0] mod_add_din_n;
- wire [ 32-1:0] mod_add_dout_s;
-
- assign mod_add_din_n = q_din;
-
- modular_adder #
- (
- .WORD_COUNTER_WIDTH (WORD_COUNTER_WIDTH),
- .OPERAND_NUM_WORDS (OPERAND_NUM_WORDS)
- )
- modular_adder_inst
- (
- .clk (clk),
- .rst_n (rst_n),
-
- .ena (mod_add_ena),
- .rdy (mod_add_rdy),
-
- .ab_addr (mod_add_addr_ab),
- .n_addr (mod_add_addr_n),
- .s_addr (mod_add_addr_s),
- .s_wren (mod_add_wren_s),
-
- .a_din (mod_add_din_a),
- .b_din (mod_add_din_b),
- .n_din (mod_add_din_n),
- .s_dout (mod_add_dout_s)
- );
-
-
- //
- // Modular Subtractor
- //
- wire mod_sub_ena;
- wire mod_sub_rdy;
-
- wire [WORD_COUNTER_WIDTH-1:0] mod_sub_addr_ab;
- wire [WORD_COUNTER_WIDTH-1:0] mod_sub_addr_n;
- wire [WORD_COUNTER_WIDTH-1:0] mod_sub_addr_d;
- wire mod_sub_wren_d;
-
- wire [ 32-1:0] mod_sub_din_a;
- wire [ 32-1:0] mod_sub_din_b;
- wire [ 32-1:0] mod_sub_din_n;
- wire [ 32-1:0] mod_sub_dout_d;
-
- assign mod_sub_din_n = q_din;
-
- modular_subtractor #
- (
- .WORD_COUNTER_WIDTH (WORD_COUNTER_WIDTH),
- .OPERAND_NUM_WORDS (OPERAND_NUM_WORDS)
- )
- modular_subtractor_inst
- (
- .clk (clk),
- .rst_n (rst_n),
-
- .ena (mod_sub_ena),
- .rdy (mod_sub_rdy),
-
- .ab_addr (mod_sub_addr_ab),
- .n_addr (mod_sub_addr_n),
- .d_addr (mod_sub_addr_d),
- .d_wren (mod_sub_wren_d),
-
- .a_din (mod_sub_din_a),
- .b_din (mod_sub_din_b),
- .n_din (mod_sub_din_n),
- .d_dout (mod_sub_dout_d)
- );
-
-
- //
- // Modular Multiplier
- //
- wire mod_mul_ena;
- wire mod_mul_rdy;
-
- wire [WORD_COUNTER_WIDTH-1:0] mod_mul_addr_a;
- wire [WORD_COUNTER_WIDTH-1:0] mod_mul_addr_b;
- wire [WORD_COUNTER_WIDTH-1:0] mod_mul_addr_n;
- wire [WORD_COUNTER_WIDTH-1:0] mod_mul_addr_p;
- wire mod_mul_wren_p;
-
- wire [ 32-1:0] mod_mul_din_a;
- wire [ 32-1:0] mod_mul_din_b;
- wire [ 32-1:0] mod_mul_din_n;
- wire [ 32-1:0] mod_mul_dout_p;
-
- assign mod_mul_din_n = q_din;
-
- modular_multiplier_256 modular_multiplier_inst
- (
- .clk (clk),
- .rst_n (rst_n),
-
- .ena (mod_mul_ena),
- .rdy (mod_mul_rdy),
-
- .a_addr (mod_mul_addr_a),
- .b_addr (mod_mul_addr_b),
- .n_addr (mod_mul_addr_n),
- .p_addr (mod_mul_addr_p),
- .p_wren (mod_mul_wren_p),
-
- .a_din (mod_mul_din_a),
- .b_din (mod_mul_din_b),
- .n_din (mod_mul_din_n),
- .p_dout (mod_mul_dout_p)
- );
-
-
- //
- // Multi-Word Data Mover
- //
- wire mw_mov_ena;
- wire mw_mov_rdy;
-
- wire [WORD_COUNTER_WIDTH-1:0] mw_mov_addr_x;
- wire [WORD_COUNTER_WIDTH-1:0] mw_mov_addr_y;
- wire mw_mov_wren_y;
-
- wire [ 32-1:0] mw_mov_din_x;
- wire [ 32-1:0] mw_mov_dout_y;
-
- mw_mover #
- (
- .WORD_COUNTER_WIDTH (WORD_COUNTER_WIDTH),
- .OPERAND_NUM_WORDS (OPERAND_NUM_WORDS)
-
- )
- mw_mover_inst
- (
- .clk (clk),
- .rst_n (rst_n),
-
- .ena (mw_mov_ena),
- .rdy (mw_mov_rdy),
-
- .x_addr (mw_mov_addr_x),
- .y_addr (mw_mov_addr_y),
- .y_wren (mw_mov_wren_y),
-
- .x_din (mw_mov_din_x),
- .y_dout (mw_mov_dout_y)
- );
-
-
- //
- // ROMs
- //
- reg [WORD_COUNTER_WIDTH-1:0] brom_one_addr;
- //reg [WORD_COUNTER_WIDTH-1:0] brom_zero_addr;
- reg [WORD_COUNTER_WIDTH-1:0] brom_delta_addr;
- reg [WORD_COUNTER_WIDTH-1:0] brom_g_x_addr;
- reg [WORD_COUNTER_WIDTH-1:0] brom_g_y_addr;
- reg [WORD_COUNTER_WIDTH-1:0] brom_h_x_addr;
- reg [WORD_COUNTER_WIDTH-1:0] brom_h_y_addr;
-
- wire [ 32-1:0] brom_one_dout;
- wire [ 32-1:0] brom_zero_dout;
- wire [ 32-1:0] brom_delta_dout;
- wire [ 32-1:0] brom_g_x_dout;
- wire [ 32-1:0] brom_g_y_dout;
- wire [ 32-1:0] brom_h_x_dout;
- wire [ 32-1:0] brom_h_y_dout;
-
- (* ROM_STYLE="BLOCK" *) brom_p256_one brom_one_inst
- (.clk(clk), .b_addr(brom_one_addr), .b_out(brom_one_dout));
-
- brom_p256_zero brom_zero_inst
- (.b_out(brom_zero_dout));
-
- (* ROM_STYLE="BLOCK" *) brom_p256_delta brom_delta_inst
- (.clk(clk), .b_addr(brom_delta_addr), .b_out(brom_delta_dout));
-
- (* ROM_STYLE="BLOCK" *) brom_p256_g_x brom_g_x_inst
- (.clk(clk), .b_addr(brom_g_x_addr), .b_out(brom_g_x_dout));
-
- (* ROM_STYLE="BLOCK" *) brom_p256_g_y brom_g_y_inst
- (.clk(clk), .b_addr(brom_g_y_addr), .b_out(brom_g_y_dout));
-
- (* ROM_STYLE="BLOCK" *) brom_p256_h_x brom_h_x_inst
- (.clk(clk), .b_addr(brom_h_x_addr), .b_out(brom_h_x_dout));
-
- (* ROM_STYLE="BLOCK" *) brom_p256_h_y brom_h_y_inst
- (.clk(clk), .b_addr(brom_h_y_addr), .b_out(brom_h_y_dout));
-
-
- //
- // Temporary Variables
- //
- reg [WORD_COUNTER_WIDTH-1:0] bram_t1_wr_addr;
- reg [WORD_COUNTER_WIDTH-1:0] bram_t2_wr_addr;
- reg [WORD_COUNTER_WIDTH-1:0] bram_t3_wr_addr;
- reg [WORD_COUNTER_WIDTH-1:0] bram_t4_wr_addr;
-
- reg [WORD_COUNTER_WIDTH-1:0] bram_t1_rd_addr;
- reg [WORD_COUNTER_WIDTH-1:0] bram_t2_rd_addr;
- reg [WORD_COUNTER_WIDTH-1:0] bram_t3_rd_addr;
- reg [WORD_COUNTER_WIDTH-1:0] bram_t4_rd_addr;
-
- wire bram_t1_wr_en;
- wire bram_t2_wr_en;
- wire bram_t3_wr_en;
- wire bram_t4_wr_en;
-
- wire [ 32-1:0] bram_t1_wr_data;
- wire [ 32-1:0] bram_t2_wr_data;
- wire [ 32-1:0] bram_t3_wr_data;
- wire [ 32-1:0] bram_t4_wr_data;
-
- wire [ 32-1:0] bram_t1_rd_data;
- wire [ 32-1:0] bram_t2_rd_data;
- wire [ 32-1:0] bram_t3_rd_data;
- wire [ 32-1:0] bram_t4_rd_data;
-
- bram_1rw_1ro_readfirst #
- ( .MEM_WIDTH(32), .MEM_ADDR_BITS(WORD_COUNTER_WIDTH)
- )
- bram_t1
- ( .clk (clk),
- .a_addr(bram_t1_wr_addr), .a_wr(bram_t1_wr_en), .a_in(bram_t1_wr_data), .a_out(),
- .b_addr(bram_t1_rd_addr), .b_out(bram_t1_rd_data)
- );
-
- bram_1rw_1ro_readfirst #
- ( .MEM_WIDTH(32), .MEM_ADDR_BITS(WORD_COUNTER_WIDTH)
- )
- bram_t2
- ( .clk (clk),
- .a_addr(bram_t2_wr_addr), .a_wr(bram_t2_wr_en), .a_in(bram_t2_wr_data), .a_out(),
- .b_addr(bram_t2_rd_addr), .b_out(bram_t2_rd_data)
- );
-
- bram_1rw_1ro_readfirst #
- ( .MEM_WIDTH(32), .MEM_ADDR_BITS(WORD_COUNTER_WIDTH)
- )
- bram_t3
- ( .clk (clk),
- .a_addr(bram_t3_wr_addr), .a_wr(bram_t3_wr_en), .a_in(bram_t3_wr_data), .a_out(),
- .b_addr(bram_t3_rd_addr), .b_out(bram_t3_rd_data)
- );
-
- bram_1rw_1ro_readfirst #
- ( .MEM_WIDTH(32), .MEM_ADDR_BITS(WORD_COUNTER_WIDTH)
- )
- bram_t4
- ( .clk (clk),
- .a_addr(bram_t4_wr_addr), .a_wr(bram_t4_wr_en), .a_in(bram_t4_wr_data), .a_out(),
- .b_addr(bram_t4_rd_addr), .b_out(bram_t4_rd_data)
- );
-
-
- //
- // uOP Trigger Logic
- //
- reg uop_trig;
- always @(posedge clk or negedge rst_n)
- //
- if (rst_n == 1'b0) uop_trig <= 1'b0;
- else uop_trig <= (fsm_state == FSM_STATE_FETCH) ? 1'b1 : 1'b0;
-
-
- //
- // FSM
- //
- localparam [ 1: 0] FSM_STATE_STALL = 2'b00;
- localparam [ 1: 0] FSM_STATE_FETCH = 2'b01;
- localparam [ 1: 0] FSM_STATE_EXECUTE = 2'b10;
-
- reg [ 1: 0] fsm_state = FSM_STATE_STALL;
- wire [ 1: 0] fsm_state_next = (uop_opcode == OPCODE_RDY) ? FSM_STATE_STALL : FSM_STATE_FETCH;
-
-
- //
- // FSM Transition Logic
- //
- reg uop_done;
-
- always @(posedge clk or negedge rst_n)
- //
- if (rst_n == 1'b0) fsm_state <= FSM_STATE_STALL;
- else case (fsm_state)
- FSM_STATE_STALL: fsm_state <= ena ? FSM_STATE_FETCH : FSM_STATE_STALL;
- FSM_STATE_FETCH: fsm_state <= FSM_STATE_EXECUTE;
- FSM_STATE_EXECUTE: fsm_state <= (!uop_trig && uop_done) ? fsm_state_next : FSM_STATE_EXECUTE;
- default: fsm_state <= FSM_STATE_STALL;
- endcase
-
-
- //
- // uOP Address Increment Logic
- //
- always @(posedge clk)
- //
- if (fsm_state == FSM_STATE_STALL)
- uop_addr <= 5'd0;
- else if (fsm_state == FSM_STATE_EXECUTE)
- if (!uop_trig && uop_done)
- uop_addr <= (uop_opcode == OPCODE_RDY) ? 5'd0 : uop_addr + 1'b1;
-
-
- //
- // uOP Completion Logic
- //
- always @(*)
- //
- case (uop_opcode)
- OPCODE_CMP: uop_done = mw_cmp_rdy;
- OPCODE_MOV: uop_done = mw_mov_rdy;
- OPCODE_ADD: uop_done = mod_add_rdy;
- OPCODE_SUB: uop_done = mod_sub_rdy;
- OPCODE_MUL: uop_done = mod_mul_rdy;
- OPCODE_RDY: uop_done = 1'b1;
- default: uop_done = 1'b0;
- endcase
-
-
- //
- // Helper Modules Enable Logic
- //
- assign mw_cmp_ena = uop_opcode[0] & uop_trig;
- assign mw_mov_ena = uop_opcode[1] & uop_trig;
- assign mod_add_ena = uop_opcode[2] & uop_trig;
- assign mod_sub_ena = uop_opcode[3] & uop_trig;
- assign mod_mul_ena = uop_opcode[4] & uop_trig;
-
-
- //
- // uOP Source Value Decoding Logic
- //
- reg [31: 0] uop_src_a_value;
-
- always @(*)
- //
- case (uop_src_a)
- UOP_SRC_PX: uop_src_a_value = px_din;
- UOP_SRC_PY: uop_src_a_value = py_din;
- UOP_SRC_PZ: uop_src_a_value = pz_din;
-
- UOP_SRC_RX: uop_src_a_value = rx_din;
- UOP_SRC_RY: uop_src_a_value = ry_din;
- UOP_SRC_RZ: uop_src_a_value = rz_din;
-
- UOP_SRC_T1: uop_src_a_value = bram_t1_rd_data;
- UOP_SRC_T2: uop_src_a_value = bram_t2_rd_data;
- UOP_SRC_T3: uop_src_a_value = bram_t3_rd_data;
- UOP_SRC_T4: uop_src_a_value = bram_t4_rd_data;
-
- UOP_SRC_ONE: uop_src_a_value = brom_one_dout;
- UOP_SRC_ZERO: uop_src_a_value = brom_zero_dout;
- UOP_SRC_DELTA: uop_src_a_value = brom_delta_dout;
-
- UOP_SRC_G_X: uop_src_a_value = brom_g_x_dout;
- UOP_SRC_G_Y: uop_src_a_value = brom_g_y_dout;
-
- UOP_SRC_H_X: uop_src_a_value = brom_h_x_dout;
- UOP_SRC_H_Y: uop_src_a_value = brom_h_y_dout;
-
- UOP_SRC_V: uop_src_a_value = v_din;
-
- default: uop_src_a_value = {32{1'bX}};
- endcase
-
-
- assign mw_cmp_din_x = uop_src_a_value;
- assign mw_mov_din_x = uop_src_a_value;
- assign mod_add_din_a = uop_src_a_value;
- assign mod_sub_din_a = uop_src_a_value;
- assign mod_mul_din_a = uop_src_a_value;
-
- reg [31: 0] uop_src_b_value;
-
- always @(*)
- //
- case (uop_src_b)
- UOP_SRC_PX: uop_src_b_value = px_din;
- UOP_SRC_PY: uop_src_b_value = py_din;
- UOP_SRC_PZ: uop_src_b_value = pz_din;
-
- UOP_SRC_RX: uop_src_b_value = rx_din;
- UOP_SRC_RY: uop_src_b_value = ry_din;
- UOP_SRC_RZ: uop_src_b_value = rz_din;
-
- UOP_SRC_T1: uop_src_b_value = bram_t1_rd_data;
- UOP_SRC_T2: uop_src_b_value = bram_t2_rd_data;
- UOP_SRC_T3: uop_src_b_value = bram_t3_rd_data;
- UOP_SRC_T4: uop_src_b_value = bram_t4_rd_data;
-
- UOP_SRC_ONE: uop_src_b_value = brom_one_dout;
- UOP_SRC_ZERO: uop_src_b_value = brom_zero_dout;
- UOP_SRC_DELTA: uop_src_b_value = brom_delta_dout;
-
- UOP_SRC_G_X: uop_src_b_value = brom_g_x_dout;
- UOP_SRC_G_Y: uop_src_b_value = brom_g_y_dout;
-
- UOP_SRC_H_X: uop_src_b_value = brom_h_x_dout;
- UOP_SRC_H_Y: uop_src_b_value = brom_h_y_dout;
-
- UOP_SRC_V: uop_src_b_value = v_din;
-
- default: uop_src_b_value = {32{1'bX}};
- endcase
-
- assign mw_cmp_din_y = uop_src_b_value;
- assign mod_add_din_b = uop_src_b_value;
- assign mod_sub_din_b = uop_src_b_value;
- assign mod_mul_din_b = uop_src_b_value;
-
-
- //
- // uOP Source & Destination Address Decoding Logic
- //
- reg [WORD_COUNTER_WIDTH-1:0] uop_src_a_addr;
- reg [WORD_COUNTER_WIDTH-1:0] uop_src_b_addr;
- reg [WORD_COUNTER_WIDTH-1:0] uop_dst_addr;
- reg [WORD_COUNTER_WIDTH-1:0] uop_q_addr;
-
- assign q_addr = uop_q_addr;
-
- always @(*)
- //
- case (uop_opcode)
- //
- OPCODE_CMP: begin
- uop_src_a_addr = mw_cmp_addr_xy;
- uop_src_b_addr = mw_cmp_addr_xy;
- uop_dst_addr = {WORD_COUNTER_WIDTH{1'bX}};
- uop_q_addr = {WORD_COUNTER_WIDTH{1'bX}};
- end
- //
- OPCODE_MOV: begin
- uop_src_a_addr = mw_mov_addr_x;
- uop_src_b_addr = {WORD_COUNTER_WIDTH{1'bX}};
- uop_dst_addr = mw_mov_addr_y;
- uop_q_addr = {WORD_COUNTER_WIDTH{1'bX}};
- end
- //
- OPCODE_ADD: begin
- uop_src_a_addr = mod_add_addr_ab;
- uop_src_b_addr = mod_add_addr_ab;
- uop_dst_addr = mod_add_addr_s;
- uop_q_addr = mod_add_addr_n;
- end
- //
- OPCODE_SUB: begin
- uop_src_a_addr = mod_sub_addr_ab;
- uop_src_b_addr = mod_sub_addr_ab;
- uop_dst_addr = mod_sub_addr_d;
- uop_q_addr = mod_sub_addr_n;
- end
- //
- OPCODE_MUL: begin
- uop_src_a_addr = mod_mul_addr_a;
- uop_src_b_addr = mod_mul_addr_b;
- uop_dst_addr = mod_mul_addr_p;
- uop_q_addr = mod_mul_addr_n;
- end
- //
- default: begin
- uop_src_a_addr = {WORD_COUNTER_WIDTH{1'bX}};
- uop_src_b_addr = {WORD_COUNTER_WIDTH{1'bX}};
- uop_dst_addr = {WORD_COUNTER_WIDTH{1'bX}};
- uop_q_addr = {WORD_COUNTER_WIDTH{1'bX}};
- end
- //
- endcase
-
-
- //
- // uOP Conditional Execution Logic
- //
- reg uop_exec_effective;
-
- always @(*)
- //
- case (uop_exec)
- UOP_EXEC_ALWAYS: uop_exec_effective = 1'b1;
- UOP_EXEC_PZT1T2_0XX: uop_exec_effective = flag_pz_is_zero;
- UOP_EXEC_PZT1T2_100: uop_exec_effective = !flag_pz_is_zero && flag_t1_is_zero && flag_t2_is_zero;
- UOP_EXEC_PZT1T2_101: uop_exec_effective = !flag_pz_is_zero && flag_t1_is_zero && !flag_t2_is_zero;
- endcase
-
-
- //
- // uOP Destination Store Logic
- //
- reg uop_dst_wren;
-
- always @(*)
- //
- case (uop_opcode)
- //
- OPCODE_MOV: uop_dst_wren = mw_mov_wren_y & uop_exec_effective;
- OPCODE_ADD: uop_dst_wren = mod_add_wren_s;
- OPCODE_SUB: uop_dst_wren = mod_sub_wren_d;
- OPCODE_MUL: uop_dst_wren = mod_mul_wren_p;
- default: uop_dst_wren = 1'b0;
- //
- endcase
-
-
- always @(*) begin
- //
- //
- //
- if (uop_src_a == UOP_SRC_PX) px_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_PX) px_addr = uop_src_b_addr;
- else px_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- if (uop_src_a == UOP_SRC_PY) py_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_PY) py_addr = uop_src_b_addr;
- else py_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- if (uop_src_a == UOP_SRC_PZ) pz_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_PZ) pz_addr = uop_src_b_addr;
- else pz_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- //
- //
- if (uop_src_a == UOP_SRC_ONE) brom_one_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_ONE) brom_one_addr = uop_src_b_addr;
- else brom_one_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- //if (uop_src_a == UOP_SRC_ZERO) brom_zero_addr = uop_src_a_addr;
- //else if (uop_src_b == UOP_SRC_ZERO) brom_zero_addr = uop_src_b_addr;
- //else brom_zero_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- if (uop_src_a == UOP_SRC_DELTA) brom_delta_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_DELTA) brom_delta_addr = uop_src_b_addr;
- else brom_delta_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- //
- //
- if (uop_src_a == UOP_SRC_G_X) brom_g_x_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_G_X) brom_g_x_addr = uop_src_b_addr;
- else brom_g_x_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- if (uop_src_a == UOP_SRC_G_Y) brom_g_y_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_G_Y) brom_g_y_addr = uop_src_b_addr;
- else brom_g_y_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- //
- //
- if (uop_src_a == UOP_SRC_H_X) brom_h_x_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_H_X) brom_h_x_addr = uop_src_b_addr;
- else brom_h_x_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- if (uop_src_a == UOP_SRC_H_Y) brom_h_y_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_H_Y) brom_h_y_addr = uop_src_b_addr;
- else brom_h_y_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- //
- //
- if (uop_src_a == UOP_SRC_V) v_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_V) v_addr = uop_src_b_addr;
- else v_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- //
- //
- if (uop_src_a == UOP_SRC_T1) bram_t1_rd_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_T1) bram_t1_rd_addr = uop_src_b_addr;
- else bram_t1_rd_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- if (uop_src_a == UOP_SRC_T2) bram_t2_rd_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_T2) bram_t2_rd_addr = uop_src_b_addr;
- else bram_t2_rd_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- if (uop_src_a == UOP_SRC_T3) bram_t3_rd_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_T3) bram_t3_rd_addr = uop_src_b_addr;
- else bram_t3_rd_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- if (uop_src_a == UOP_SRC_T4) bram_t4_rd_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_T4) bram_t4_rd_addr = uop_src_b_addr;
- else bram_t4_rd_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- //
- //
- if (uop_dst == UOP_DST_T1) bram_t1_wr_addr = uop_dst_addr;
- else bram_t1_wr_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- if (uop_dst == UOP_DST_T2) bram_t2_wr_addr = uop_dst_addr;
- else bram_t2_wr_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- if (uop_dst == UOP_DST_T3) bram_t3_wr_addr = uop_dst_addr;
- else bram_t3_wr_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- if (uop_dst == UOP_DST_T4) bram_t4_wr_addr = uop_dst_addr;
- else bram_t4_wr_addr = {WORD_COUNTER_WIDTH{1'bX}};
- //
- //
- //
- if ((uop_dst == UOP_DST_RX) && (uop_dst_wren)) rx_addr = uop_dst_addr;
- else begin
- if (uop_src_a == UOP_SRC_RX) rx_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_RX) rx_addr = uop_src_b_addr;
- else rx_addr = {WORD_COUNTER_WIDTH{1'bX}};
- end
- //
- if ((uop_dst == UOP_DST_RY) && (uop_dst_wren)) ry_addr = uop_dst_addr;
- else begin
- if (uop_src_a == UOP_SRC_RY) ry_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_RY) ry_addr = uop_src_b_addr;
- else ry_addr = {WORD_COUNTER_WIDTH{1'bX}};
- end
- //
- if ((uop_dst == UOP_DST_RZ) && (uop_dst_wren)) rz_addr = uop_dst_addr;
- else begin
- if (uop_src_a == UOP_SRC_RZ) rz_addr = uop_src_a_addr;
- else if (uop_src_b == UOP_SRC_RZ) rz_addr = uop_src_b_addr;
- else rz_addr = {WORD_COUNTER_WIDTH{1'bX}};
- end
- //
- end
-
-
- assign rx_wren = uop_dst_wren && (uop_dst == UOP_DST_RX);
- assign ry_wren = uop_dst_wren && (uop_dst == UOP_DST_RY);
- assign rz_wren = uop_dst_wren && (uop_dst == UOP_DST_RZ);
-
- assign bram_t1_wr_en = uop_dst_wren && (uop_dst == UOP_DST_T1);
- assign bram_t2_wr_en = uop_dst_wren && (uop_dst == UOP_DST_T2);
- assign bram_t3_wr_en = uop_dst_wren && (uop_dst == UOP_DST_T3);
- assign bram_t4_wr_en = uop_dst_wren && (uop_dst == UOP_DST_T4);
-
-
-
- //
- // Destination Value Selector
- //
- reg [31: 0] uop_dst_value;
-
- always @(*)
- //
- case (uop_opcode)
-
- OPCODE_MOV: uop_dst_value = mw_mov_dout_y;
- OPCODE_ADD: uop_dst_value = mod_add_dout_s;
- OPCODE_SUB: uop_dst_value = mod_sub_dout_d;
- OPCODE_MUL: uop_dst_value = mod_mul_dout_p;
-
- default: uop_dst_value = {32{1'bX}};
-
- endcase
-
- assign rx_dout = uop_dst_value;
- assign ry_dout = uop_dst_value;
- assign rz_dout = uop_dst_value;
-
- assign bram_t1_wr_data = uop_dst_value;
- assign bram_t2_wr_data = uop_dst_value;
- assign bram_t3_wr_data = uop_dst_value;
- assign bram_t4_wr_data = uop_dst_value;
-
-
- //
- // Latch Comparison Flags
- //
- always @(posedge clk)
- //
- if ( (fsm_state == FSM_STATE_EXECUTE) &&
- (uop_opcode == OPCODE_CMP) &&
- (uop_done && !uop_trig) ) begin
-
- if ( (uop_src_a == UOP_SRC_PZ) && (uop_src_b == UOP_SRC_ZERO) )
- flag_pz_is_zero <= !mw_cmp_out_l && mw_cmp_out_e && !mw_cmp_out_g;
-
- if ( (uop_src_a == UOP_SRC_T1) && (uop_src_b == UOP_SRC_ZERO) )
- flag_t1_is_zero <= !mw_cmp_out_l && mw_cmp_out_e && !mw_cmp_out_g;
-
- if ( (uop_src_a == UOP_SRC_T2) && (uop_src_b == UOP_SRC_ZERO) )
- flag_t2_is_zero <= !mw_cmp_out_l && mw_cmp_out_e && !mw_cmp_out_g;
-
- end
-
-
- //
- // Ready Flag Logic
- //
- reg rdy_reg = 1'b1;
- assign rdy = rdy_reg;
-
- always @(posedge clk or negedge rst_n)
- //
- if (rst_n == 1'b0) rdy_reg <= 1'b1;
- else begin
-
- /* clear flag */
- if (fsm_state == FSM_STATE_STALL)
- if (ena) rdy_reg <= 1'b0;
-
- /* set flag */
- if ((fsm_state == FSM_STATE_EXECUTE) && !uop_trig && uop_done)
- if (uop_opcode == OPCODE_RDY) rdy_reg <= 1'b1;
-
- end
-
-
-endmodule
-
-
-//------------------------------------------------------------------------------
-// End-of-File
-//------------------------------------------------------------------------------
diff --git a/rtl/curve/curve_mul_256.v b/rtl/curve/curve_mul_256.v
deleted file mode 100644
index 0ac2be0..0000000
--- a/rtl/curve/curve_mul_256.v
+++ /dev/null
@@ -1,720 +0,0 @@
-//------------------------------------------------------------------------------
-//
-// curve_mul_256.v
-// -----------------------------------------------------------------------------
-// Elliptic curve point scalar multiplier.
-//
-// Authors: Pavel Shatov
-//
-// Copyright (c) 2016, NORDUnet A/S
-//
-// 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.
-//
-//------------------------------------------------------------------------------
-
-module curve_mul_256
- (
- clk, rst_n,
- ena, rdy,
- k_addr, rx_addr, ry_addr,
- rx_wren, ry_wren,
- k_din,
- rx_dout, ry_dout
- );
-
-
- //
- // Constants
- //
- localparam WORD_COUNTER_WIDTH = 3; // 0 .. 7
- localparam OPERAND_NUM_WORDS = 8; // 8 * 32 = 256
-
-
- //
- // Ports
- //
- input wire clk; // system clock
- input wire rst_n; // active-low async reset
-
- input wire ena; // enable input
- output wire rdy; // ready output
-
- output wire [ 2: 0] k_addr;
- output wire [ 2: 0] rx_addr;
- output wire [ 2: 0] ry_addr;
-
- output wire rx_wren;
- output wire ry_wren;
-
- input wire [31: 0] k_din;
-
- output wire [31: 0] rx_dout;
- output wire [31: 0] ry_dout;
-
-
- //
- // Temporary Variables
- //
- reg [ 2: 0] bram_tx_wr_addr;
- reg [ 2: 0] bram_ty_wr_addr;
- reg [ 2: 0] bram_tz_wr_addr;
-
- reg [ 2: 0] bram_rx_wr_addr;
- reg [ 2: 0] bram_ry_wr_addr;
- reg [ 2: 0] bram_rz_wr_addr;
- wire [ 2: 0] bram_rz1_wr_addr;
-
- reg [ 2: 0] bram_tx_rd_addr;
- reg [ 2: 0] bram_ty_rd_addr;
- reg [ 2: 0] bram_tz_rd_addr;
-
- reg [ 2: 0] bram_rx_rd_addr;
- reg [ 2: 0] bram_ry_rd_addr;
- reg [ 2: 0] bram_rz_rd_addr;
- wire [ 2: 0] bram_rz1_rd_addr;
-
- reg bram_tx_wr_en;
- reg bram_ty_wr_en;
- reg bram_tz_wr_en;
-
- reg bram_rx_wr_en;
- reg bram_ry_wr_en;
- reg bram_rz_wr_en;
- wire bram_rz1_wr_en;
-
- wire [31: 0] bram_tx_rd_data;
- wire [31: 0] bram_ty_rd_data;
- wire [31: 0] bram_tz_rd_data;
-
- wire [31: 0] bram_rx_rd_data;
- wire [31: 0] bram_ry_rd_data;
- wire [31: 0] bram_rz_rd_data;
- wire [31: 0] bram_rz1_rd_data;
-
- reg [31: 0] bram_tx_wr_data_in;
- reg [31: 0] bram_ty_wr_data_in;
- reg [31: 0] bram_tz_wr_data_in;
-
- reg [31: 0] bram_rx_wr_data_in;
- reg [31: 0] bram_ry_wr_data_in;
- reg [31: 0] bram_rz_wr_data_in;
- wire [31: 0] bram_rz1_wr_data_in;
-
- wire [31: 0] bram_tx_wr_data_out;
- wire [31: 0] bram_ty_wr_data_out;
- wire [31: 0] bram_tz_wr_data_out;
-
- wire [31: 0] bram_rx_wr_data_out;
- wire [31: 0] bram_ry_wr_data_out;
- wire [31: 0] bram_rz_wr_data_out;
-
- bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(3))
- bram_tx (.clk(clk),
- .a_addr(bram_tx_wr_addr), .a_wr(bram_tx_wr_en), .a_in(bram_tx_wr_data_in), .a_out(bram_tx_wr_data_out),
- .b_addr(bram_tx_rd_addr), .b_out(bram_tx_rd_data));
-
- bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(3))
- bram_ty (.clk(clk),
- .a_addr(bram_ty_wr_addr), .a_wr(bram_ty_wr_en), .a_in(bram_ty_wr_data_in), .a_out(bram_ty_wr_data_out),
- .b_addr(bram_ty_rd_addr), .b_out(bram_ty_rd_data));
-
- bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(3))
- bram_tz (.clk(clk),
- .a_addr(bram_tz_wr_addr), .a_wr(bram_tz_wr_en), .a_in(bram_tz_wr_data_in), .a_out(bram_tz_wr_data_out),
- .b_addr(bram_tz_rd_addr), .b_out(bram_tz_rd_data));
-
- bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(3))
- bram_rx (.clk(clk),
- .a_addr(bram_rx_wr_addr), .a_wr(bram_rx_wr_en), .a_in(bram_rx_wr_data_in), .a_out(bram_rx_wr_data_out),
- .b_addr(bram_rx_rd_addr), .b_out(bram_rx_rd_data));
-
- bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(3))
- bram_ry (.clk(clk),
- .a_addr(bram_ry_wr_addr), .a_wr(bram_ry_wr_en), .a_in(bram_ry_wr_data_in), .a_out(bram_ry_wr_data_out),
- .b_addr(bram_ry_rd_addr), .b_out(bram_ry_rd_data));
-
- bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(3))
- bram_rz (.clk(clk),
- .a_addr(bram_rz_wr_addr), .a_wr(bram_rz_wr_en), .a_in(bram_rz_wr_data_in), .a_out(bram_rz_wr_data_out),
- .b_addr(bram_rz_rd_addr), .b_out(bram_rz_rd_data));
-
- bram_1rw_1ro_readfirst # (.MEM_WIDTH(32), .MEM_ADDR_BITS(3))
- bram_rz1 (.clk(clk),
- .a_addr(bram_rz1_wr_addr), .a_wr(bram_rz1_wr_en), .a_in(bram_rz1_wr_data_in), .a_out(),
- .b_addr(bram_rz1_rd_addr), .b_out(bram_rz1_rd_data));
-
-
- //
- // FSM
- //
- localparam [ 3: 0] FSM_STATE_IDLE = 4'd00;
- localparam [ 3: 0] FSM_STATE_PREPARE_TRIG = 4'd01;
- localparam [ 3: 0] FSM_STATE_PREPARE_WAIT = 4'd02;
- localparam [ 3: 0] FSM_STATE_DOUBLE_TRIG = 4'd03;
- localparam [ 3: 0] FSM_STATE_DOUBLE_WAIT = 4'd04;
- localparam [ 3: 0] FSM_STATE_ADD_TRIG = 4'd05;
- localparam [ 3: 0] FSM_STATE_ADD_WAIT = 4'd06;
- localparam [ 3: 0] FSM_STATE_COPY_TRIG = 4'd07;
- localparam [ 3: 0] FSM_STATE_COPY_WAIT = 4'd08;
- localparam [ 3: 0] FSM_STATE_INVERT_TRIG = 4'd09;
- localparam [ 3: 0] FSM_STATE_INVERT_WAIT = 4'd10;
- localparam [ 3: 0] FSM_STATE_CONVERT_TRIG = 4'd11;
- localparam [ 3: 0] FSM_STATE_CONVERT_WAIT = 4'd12;
- localparam [ 3: 0] FSM_STATE_DONE = 4'd13;
-
- reg [3:0] fsm_state = FSM_STATE_IDLE;
-
-
- //
- // Round Counter
- //
- reg [ 7: 0] bit_counter;
- wire [ 7: 0] bit_counter_max = 8'd255;
- wire [ 7: 0] bit_counter_zero = 8'd0;
- wire [ 7: 0] bit_counter_next =
- (bit_counter < bit_counter_max) ? bit_counter + 1'b1 : bit_counter_zero;
-
-
- //
- // Round Completion
- //
- wire [ 3: 0] fsm_state_round_next = (bit_counter < bit_counter_max) ?
- FSM_STATE_DOUBLE_TRIG : FSM_STATE_INVERT_TRIG;
-
-
- //
- // OP Trigger Logic
- //
- reg op_trig;
- wire op_done;
-
- always @(posedge clk or negedge rst_n)
- //
- if (rst_n == 1'b0) op_trig <= 1'b0;
- else op_trig <= (fsm_state == FSM_STATE_PREPARE_TRIG) ||
- (fsm_state == FSM_STATE_DOUBLE_TRIG) ||
- (fsm_state == FSM_STATE_ADD_TRIG) ||
- (fsm_state == FSM_STATE_CONVERT_TRIG);
-
- //
- // Microprograms
- //
- wire [ 5: 0] op_rom_addr;
- wire [19: 0] op_rom_init_data;
- wire [19: 0] op_rom_dbl_data;
- wire [19: 0] op_rom_add_data;
- wire [19: 0] op_rom_conv_data;
- reg [19: 0] op_rom_mux_data;
-
- (* RAM_STYLE="BLOCK" *)
- uop_init_rom op_rom_init
- (
- .clk (clk),
- .addr (op_rom_addr),
- .data (op_rom_init_data)
- );
-
- (* RAM_STYLE="BLOCK" *)
- uop_dbl_rom op_rom_dbl
- (
- .clk (clk),
- .addr (op_rom_addr),
- .data (op_rom_dbl_data)
- );
-
- (* RAM_STYLE="BLOCK" *)
- uop_add_rom op_rom_add
- (
- .clk (clk),
- .addr (op_rom_addr),
- .data (op_rom_add_data)
- );
-
- (* RAM_STYLE="BLOCK" *)
- uop_conv_rom op_rom_conv
- (
- .clk (clk),
- .addr (op_rom_addr),
- .data (op_rom_conv_data)
- );
-
- always @(*)
- //
- case (fsm_state)
- FSM_STATE_PREPARE_WAIT: op_rom_mux_data = op_rom_init_data;
- FSM_STATE_DOUBLE_WAIT: op_rom_mux_data = op_rom_dbl_data;
- FSM_STATE_ADD_WAIT: op_rom_mux_data = op_rom_add_data;
- FSM_STATE_CONVERT_WAIT: op_rom_mux_data = op_rom_conv_data;
- default: op_rom_mux_data = {20{1'bX}};
- endcase
-
-
-
- //
- // Modulus
- //
- reg [ 2: 0] rom_q_addr;
- wire [31: 0] rom_q_data;
-
- brom_p256_q rom_q
- (
- .clk (clk),
- .b_addr (rom_q_addr),
- .b_out (rom_q_data)
- );
-
-
- //
- // Worker
- //
- wire [ 2: 0] worker_addr_px;
- wire [ 2: 0] worker_addr_py;
- wire [ 2: 0] worker_addr_pz;
-
- wire [ 2: 0] worker_addr_rx;
- wire [ 2: 0] worker_addr_ry;
- wire [ 2: 0] worker_addr_rz;
-
- wire [ 2: 0] worker_addr_q;
-
- wire worker_wren_rx;
- wire worker_wren_ry;
- wire worker_wren_rz;
-
- reg [31: 0] worker_din_px;
- reg [31: 0] worker_din_py;
- reg [31: 0] worker_din_pz;
-
- reg [31: 0] worker_din_rx;
- reg [31: 0] worker_din_ry;
- reg [31: 0] worker_din_rz;
-
- wire [31: 0] worker_dout_rx;
- wire [31: 0] worker_dout_ry;
- wire [31: 0] worker_dout_rz;
-
- curve_dbl_add_256 worker
- (
- .clk (clk),
- .rst_n (rst_n),
-
- .ena (op_trig),
- .rdy (op_done),
-
- .uop_addr (op_rom_addr),
- .uop (op_rom_mux_data),
-
- .px_addr (worker_addr_px),
- .py_addr (worker_addr_py),
- .pz_addr (worker_addr_pz),
-
- .rx_addr (worker_addr_rx),
- .ry_addr (worker_addr_ry),
- .rz_addr (worker_addr_rz),
-
- .q_addr (worker_addr_q),
-
- .v_addr (bram_rz1_rd_addr),
-
- .rx_wren (worker_wren_rx),
- .ry_wren (worker_wren_ry),
- .rz_wren (worker_wren_rz),
-
- .px_din (worker_din_px),
- .py_din (worker_din_py),
- .pz_din (worker_din_pz),
-
- .rx_din (worker_din_rx),
- .ry_din (worker_din_ry),
- .rz_din (worker_din_rz),
-
- .rx_dout (worker_dout_rx),
- .ry_dout (worker_dout_ry),
- .rz_dout (worker_dout_rz),
-
- .q_din (rom_q_data),
-
- .v_din (bram_rz1_rd_data)
- );
-
-
- //
- // Mover
- //
- reg move_trig;
- wire move_done;
-
- wire [ 2: 0] mover_addr_x;
- wire [ 2: 0] mover_addr_y;
-
- wire mover_wren_y;
-
- always @(posedge clk or negedge rst_n)
- //
- if (rst_n == 1'b0) move_trig <= 1'b0;
- else move_trig <= (fsm_state == FSM_STATE_COPY_TRIG);
-
- mw_mover #
- (
- .WORD_COUNTER_WIDTH (3),
- .OPERAND_NUM_WORDS (8)
- )
- mover
- (
- .clk (clk),
- .rst_n (rst_n),
-
- .ena (move_trig),
- .rdy (move_done),
-
- .x_addr (mover_addr_x),
- .y_addr (mover_addr_y),
- .y_wren (mover_wren_y),
-
- .x_din ({32{1'bX}}),
- .y_dout ()
- );
-
-
- //
- // Invertor
- //
- reg invert_trig;
- wire invert_done;
-
- wire [ 2: 0] invertor_addr_a;
- wire [ 2: 0] invertor_addr_q;
-
- always @(posedge clk or negedge rst_n)
- //
- if (rst_n == 1'b0) invert_trig <= 1'b0;
- else invert_trig <= (fsm_state == FSM_STATE_INVERT_TRIG);
-
- modular_invertor #
- (
- .MAX_OPERAND_WIDTH(256)
- )
- invertor
- (
- .clk (clk),
- .rst_n (rst_n),
-
- .ena (invert_trig),
- .rdy (invert_done),
-
- .a_addr (invertor_addr_a),
- .q_addr (invertor_addr_q),
- .a1_addr (bram_rz1_wr_addr),
- .a1_wren (bram_rz1_wr_en),
-
- .a_din (bram_rz_rd_data),
- .q_din (rom_q_data),
- .a1_dout (bram_rz1_wr_data_in)
- );
-
-
- //
- // FSM Transition Logic
- //
- always @(posedge clk or negedge rst_n)
- //
- if (rst_n == 1'b0) fsm_state <= FSM_STATE_IDLE;
- else case (fsm_state)
-
- FSM_STATE_IDLE: fsm_state <= ena ? FSM_STATE_PREPARE_TRIG : FSM_STATE_IDLE;
-
- FSM_STATE_PREPARE_TRIG: fsm_state <= FSM_STATE_PREPARE_WAIT;
- FSM_STATE_PREPARE_WAIT: fsm_state <= (!op_trig && op_done) ? FSM_STATE_DOUBLE_TRIG : FSM_STATE_PREPARE_WAIT;
-
- FSM_STATE_DOUBLE_TRIG: fsm_state <= FSM_STATE_DOUBLE_WAIT;
- FSM_STATE_DOUBLE_WAIT: fsm_state <= (!op_trig && op_done) ? FSM_STATE_ADD_TRIG : FSM_STATE_DOUBLE_WAIT;
-
- FSM_STATE_ADD_TRIG: fsm_state <= FSM_STATE_ADD_WAIT;
- FSM_STATE_ADD_WAIT: fsm_state <= (!op_trig && op_done) ? FSM_STATE_COPY_TRIG : FSM_STATE_ADD_WAIT;
-
- FSM_STATE_COPY_TRIG: fsm_state <= FSM_STATE_COPY_WAIT;
- FSM_STATE_COPY_WAIT: fsm_state <= (!move_trig && move_done) ? fsm_state_round_next : FSM_STATE_COPY_WAIT;
-
- FSM_STATE_INVERT_TRIG: fsm_state <= FSM_STATE_INVERT_WAIT;
- FSM_STATE_INVERT_WAIT: fsm_state <= (!invert_trig && invert_done) ? FSM_STATE_CONVERT_TRIG : FSM_STATE_INVERT_WAIT;
-
- FSM_STATE_CONVERT_TRIG: fsm_state <= FSM_STATE_CONVERT_WAIT;
- FSM_STATE_CONVERT_WAIT: fsm_state <= (!op_trig && op_done) ? FSM_STATE_DONE : FSM_STATE_CONVERT_WAIT;
-
- FSM_STATE_DONE: fsm_state <= FSM_STATE_IDLE;
-
- default: fsm_state <= FSM_STATE_IDLE;
-
- endcase
-
-
- //
- // Bit Counter Increment
- //
- always @(posedge clk) begin
- //
- if ((fsm_state == FSM_STATE_PREPARE_WAIT) && !op_trig && op_done)
- bit_counter <= bit_counter_zero;
- //
- if ((fsm_state == FSM_STATE_COPY_WAIT) && !move_trig && move_done)
- bit_counter <= bit_counter_next;
- //
- end
-
-
- //
- // K Latch Logic
- //
- reg [ 2: 0] k_addr_reg;
- reg [31: 0] k_din_reg;
-
- assign k_addr = k_addr_reg;
-
- always @(posedge clk) begin
- //
- if (fsm_state == FSM_STATE_DOUBLE_TRIG)
- k_addr_reg <= 3'd7 - bit_counter[7:5];
- //
- if (fsm_state == FSM_STATE_ADD_TRIG)
- k_din_reg <= (bit_counter[4:0] == 5'd0) ? k_din : {k_din_reg[30:0], 1'bX};
- //
- end
-
-
-
- //
- // Copy Inhibit Logic
- //
- wire move_inhibit = k_din_reg[31];
-
- wire copy_t2r_int = mover_wren_y & ~move_inhibit;
-
-
- always @(*) begin
- //
- // Q
- //
- case (fsm_state)
- FSM_STATE_DOUBLE_WAIT: rom_q_addr = worker_addr_q;
- FSM_STATE_ADD_WAIT: rom_q_addr = worker_addr_q;
- FSM_STATE_INVERT_WAIT: rom_q_addr = invertor_addr_q;
- FSM_STATE_CONVERT_WAIT: rom_q_addr = worker_addr_q;
- default: rom_q_addr = worker_addr_q;
- endcase
-
- //
- // R(X,Y,Z)
- //
- case (fsm_state)
- //
- FSM_STATE_PREPARE_WAIT: begin
- //
- bram_rx_rd_addr <= {3{1'bX}}; bram_ry_rd_addr <= {3{1'bX}}; bram_rz_rd_addr <= {3{1'bX}};
- bram_rx_wr_addr <= worker_addr_rx; bram_ry_wr_addr <= worker_addr_ry; bram_rz_wr_addr <= worker_addr_rz;
- bram_rx_wr_en <= worker_wren_rx; bram_ry_wr_en <= worker_wren_ry; bram_rz_wr_en <= worker_wren_rz;
- bram_rx_wr_data_in <= worker_dout_rx; bram_ry_wr_data_in <= worker_dout_ry; bram_rz_wr_data_in <= worker_dout_rz;
- //
- end
- //
- FSM_STATE_DOUBLE_WAIT: begin
- //
- bram_rx_rd_addr <= worker_addr_px; bram_ry_rd_addr <= worker_addr_py; bram_rz_rd_addr <= worker_addr_pz;
- bram_rx_wr_addr <= {3{1'bX}}; bram_ry_wr_addr <= {3{1'bX}}; bram_rz_wr_addr <= {3{1'bX}};
- bram_rx_wr_en <= 1'b0; bram_ry_wr_en <= 1'b0; bram_rz_wr_en <= 1'b0;
- bram_rx_wr_data_in <= {32{1'bX}}; bram_ry_wr_data_in <= {32{1'bX}}; bram_rz_wr_data_in <= {32{1'bX}};
- //
- end
- //
- FSM_STATE_ADD_WAIT: begin
- //
- bram_rx_rd_addr <= {3{1'bX}}; bram_ry_rd_addr <= {3{1'bX}}; bram_rz_rd_addr <= {3{1'bX}};
- bram_rx_wr_addr <= worker_addr_rx; bram_ry_wr_addr <= worker_addr_ry; bram_rz_wr_addr <= worker_addr_rz;
- bram_rx_wr_en <= worker_wren_rx; bram_ry_wr_en <= worker_wren_ry; bram_rz_wr_en <= worker_wren_rz;
- bram_rx_wr_data_in <= worker_dout_rx; bram_ry_wr_data_in <= worker_dout_ry; bram_rz_wr_data_in <= worker_dout_rz;
- //
- end
- //
- FSM_STATE_COPY_WAIT: begin
- //
- bram_rx_rd_addr <= {3{1'bX}}; bram_ry_rd_addr <= {3{1'bX}}; bram_rz_rd_addr <= {3{1'bX}};
- bram_rx_wr_addr <= mover_addr_y; bram_ry_wr_addr <= mover_addr_y; bram_rz_wr_addr <= mover_addr_y;
- bram_rx_wr_en <= copy_t2r_int; bram_ry_wr_en <= copy_t2r_int; bram_rz_wr_en <= copy_t2r_int;
- bram_rx_wr_data_in <= bram_tx_rd_data; bram_ry_wr_data_in <= bram_ty_rd_data; bram_rz_wr_data_in <= bram_tz_rd_data;
- //
- end
- //
- FSM_STATE_INVERT_WAIT: begin
- //
- bram_rx_rd_addr <= {3{1'bX}}; bram_ry_rd_addr <= {3{1'bX}}; bram_rz_rd_addr <= invertor_addr_a;
- bram_rx_wr_addr <= {3{1'bX}}; bram_ry_wr_addr <= {3{1'bX}}; bram_rz_wr_addr <= {3{1'bX}};
- bram_rx_wr_en <= 1'b0; bram_ry_wr_en <= 1'b0; bram_rz_wr_en <= 1'b0;
- bram_rx_wr_data_in <= {32{1'bX}}; bram_ry_wr_data_in <= {32{1'bX}}; bram_rz_wr_data_in <= {32{1'bX}};
- //
- end
- //
- FSM_STATE_CONVERT_WAIT: begin
- //
- bram_rx_rd_addr <= worker_addr_px; bram_ry_rd_addr <= worker_addr_py; bram_rz_rd_addr <= worker_addr_pz;
- bram_rx_wr_addr <= {3{1'bX}}; bram_ry_wr_addr <= {3{1'bX}}; bram_rz_wr_addr <= {3{1'bX}};
- bram_rx_wr_en <= 1'b0; bram_ry_wr_en <= 1'b0; bram_rz_wr_en <= 1'b0;
- bram_rx_wr_data_in <= {32{1'bX}}; bram_ry_wr_data_in <= {32{1'bX}}; bram_rz_wr_data_in <= {32{1'bX}};
- //
- end
-
- //
- default: begin
- //
- bram_rx_rd_addr <= {3{1'bX}}; bram_ry_rd_addr <= {3{1'bX}}; bram_rz_rd_addr <= {3{1'bX}};
- bram_rx_wr_addr <= {3{1'bX}}; bram_ry_wr_addr <= {3{1'bX}}; bram_rz_wr_addr <= {3{1'bX}};
- bram_rx_wr_en <= 1'b0; bram_ry_wr_en <= 1'b0; bram_rz_wr_en <= 1'b0;
- bram_rx_wr_data_in <= {32{1'bX}}; bram_ry_wr_data_in <= {32{1'bX}}; bram_rz_wr_data_in <= {32{1'bX}};
- //
- end
- //
- endcase
- //
- // T(X,Y,Z)
- //
- case (fsm_state)
- //
- FSM_STATE_DOUBLE_WAIT: begin
- //
- bram_tx_rd_addr <= {3{1'bX}}; bram_ty_rd_addr <= {3{1'bX}}; bram_tz_rd_addr <= {3{1'bX}};
- bram_tx_wr_addr <= worker_addr_rx; bram_ty_wr_addr <= worker_addr_ry; bram_tz_wr_addr <= worker_addr_rz;
- bram_tx_wr_en <= worker_wren_rx; bram_ty_wr_en <= worker_wren_ry; bram_tz_wr_en <= worker_wren_rz;
- bram_tx_wr_data_in <= worker_dout_rx; bram_ty_wr_data_in <= worker_dout_ry; bram_tz_wr_data_in <= worker_dout_rz;
- //
- end
- //
- FSM_STATE_ADD_WAIT: begin
- //
- bram_tx_rd_addr <= worker_addr_px; bram_ty_rd_addr <= worker_addr_py; bram_tz_rd_addr <= worker_addr_pz;
- bram_tx_wr_addr <= {3{1'bX}}; bram_ty_wr_addr <= {3{1'bX}}; bram_tz_wr_addr <= {3{1'bX}};
- bram_tx_wr_en <= 1'b0; bram_ty_wr_en <= 1'b0; bram_tz_wr_en <= 1'b0;
- bram_tx_wr_data_in <= {32{1'bX}}; bram_ty_wr_data_in <= {32{1'bX}}; bram_tz_wr_data_in <= {32{1'bX}};
- //
- end
- //
- FSM_STATE_COPY_WAIT: begin
- //
- bram_tx_rd_addr <= mover_addr_x; bram_ty_rd_addr <= mover_addr_x; bram_tz_rd_addr <= mover_addr_x;
- bram_tx_wr_addr <= {3{1'bX}}; bram_ty_wr_addr <= {3{1'bX}}; bram_tz_wr_addr <= {3{1'bX}};
- bram_tx_wr_en <= 1'b0; bram_ty_wr_en <= 1'b0; bram_tz_wr_en <= 1'b0;
- bram_tx_wr_data_in <= {32{1'bX}}; bram_ty_wr_data_in <= {32{1'bX}}; bram_tz_wr_data_in <= {32{1'bX}};
- //
- end
-
- //
- default: begin
- //
- bram_tx_rd_addr <= {3{1'bX}}; bram_ty_rd_addr <= {3{1'bX}}; bram_tz_rd_addr <= {3{1'bX}};
- bram_tx_wr_addr <= {3{1'bX}}; bram_ty_wr_addr <= {3{1'bX}}; bram_tz_wr_addr <= {3{1'bX}};
- bram_tx_wr_en <= 1'b0; bram_ty_wr_en <= 1'b0; bram_tz_wr_en <= 1'b0;
- bram_tx_wr_data_in <= {32{1'bX}}; bram_ty_wr_data_in <= {32{1'bX}}; bram_tz_wr_data_in <= {32{1'bX}};
- //
- end
- //
- endcase
- //
- // Worker
- //
- case (fsm_state)
- //
- FSM_STATE_DOUBLE_WAIT: begin
- //
- worker_din_px <= bram_rx_rd_data; worker_din_py <= bram_ry_rd_data; worker_din_pz <= bram_rz_rd_data;
- worker_din_rx <= bram_tx_wr_data_out; worker_din_ry <= bram_ty_wr_data_out; worker_din_rz <= bram_tz_wr_data_out;
- //
- end
- //
- FSM_STATE_ADD_WAIT: begin
- //
- worker_din_px <= bram_tx_rd_data; worker_din_py <= bram_ty_rd_data; worker_din_pz <= bram_tz_rd_data;
- worker_din_rx <= bram_rx_wr_data_out; worker_din_ry <= bram_ry_wr_data_out; worker_din_rz <= bram_rz_wr_data_out;
- //
- end
- //
- FSM_STATE_CONVERT_WAIT: begin
- //
- worker_din_px <= bram_rx_rd_data; worker_din_py <= bram_ry_rd_data; worker_din_pz <= bram_rz_rd_data;
- worker_din_rx <= {32{1'bX}}; worker_din_ry <= {32{1'bX}}; worker_din_rz <= {32{1'bX}};
- //
- end
- //
- default: begin
- //
- worker_din_px <= {32{1'bX}}; worker_din_py <= {32{1'bX}}; worker_din_pz <= {32{1'bX}};
- worker_din_rx <= {32{1'bX}}; worker_din_ry <= {32{1'bX}}; worker_din_rz <= {32{1'bX}};
- //
- end
- //
- endcase
- //
- end
-
-
- //
- // Output Mapping
- //
- assign rx_wren = worker_wren_rx && (fsm_state == FSM_STATE_CONVERT_WAIT);
- assign ry_wren = worker_wren_ry && (fsm_state == FSM_STATE_CONVERT_WAIT);
-
- assign rx_dout = worker_dout_rx;
- assign ry_dout = worker_dout_ry;
-
- assign rx_addr = worker_addr_rx;
- assign ry_addr = worker_addr_ry;
-
-
- //
- // Ready Flag Logic
- //
- reg rdy_reg = 1'b1;
- assign rdy = rdy_reg;
-
- always @(posedge clk or negedge rst_n)
-
- if (rst_n == 1'b0) rdy_reg <= 1'b1;
- else begin
-
- /* clear flag */
- if ((fsm_state == FSM_STATE_IDLE) && ena)
- rdy_reg <= 1'b0;
-
- /* set flag */
- if (fsm_state == FSM_STATE_DONE)
- rdy_reg <= 1'b1;
-
- end
-
-
-endmodule
-
-
-//------------------------------------------------------------------------------
-// End-of-File
-//------------------------------------------------------------------------------
diff --git a/rtl/curve/rom/brom_p256_delta.v b/rtl/curve/rom/brom_p256_delta.v
deleted file mode 100644
index b9a345a..0000000
--- a/rtl/curve/rom/brom_p256_delta.v
+++ /dev/null
@@ -1,68 +0,0 @@
-//======================================================================
-//
-// Copyright (c) 2016, 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 brom_p256_delta
- (
- input wire clk,
- input wire [ 3-1:0] b_addr,
- output wire [32-1:0] b_out
- );
-
-
- //
- // Output Registers
- //
- reg [31:0] bram_reg_b;
-
- assign b_out = bram_reg_b;
-
-
- //
- // Read-Only Port B
- //
- always @(posedge clk)
- //
- case (b_addr)
- 3'b000: bram_reg_b <= 32'h00000000;
- 3'b001: bram_reg_b <= 32'h00000000;
- 3'b010: bram_reg_b <= 32'h80000000;
- 3'b011: bram_reg_b <= 32'h00000000;
- 3'b100: bram_reg_b <= 32'h00000000;
- 3'b101: bram_reg_b <= 32'h80000000;
- 3'b110: bram_reg_b <= 32'h80000000;
- 3'b111: bram_reg_b <= 32'h7fffffff;
- endcase
-
-
-endmodule
diff --git a/rtl/curve/rom/brom_p256_g_x.v b/rtl/curve/rom/brom_p256_g_x.v
deleted file mode 100644
index 0816ef6..0000000
--- a/rtl/curve/rom/brom_p256_g_x.v
+++ /dev/null
@@ -1,68 +0,0 @@
-//======================================================================
-//
-// Copyright (c) 2016, 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 brom_p256_g_x
- (
- input wire clk,
- input wire [ 3-1:0] b_addr,
- output wire [32-1:0] b_out
- );
-
-
- //
- // Output Registers
- //
- reg [31:0] bram_reg_b;
-
- assign b_out = bram_reg_b;
-
-
- //
- // Read-Only Port B
- //
- always @(posedge clk)
- //
- case (b_addr)
- 3'b000: bram_reg_b <= 32'hd898c296;
- 3'b001: bram_reg_b <= 32'hf4a13945;
- 3'b010: bram_reg_b <= 32'h2deb33a0;
- 3'b011: bram_reg_b <= 32'h77037d81;
- 3'b100: bram_reg_b <= 32'h63a440f2;
- 3'b101: bram_reg_b <= 32'hf8bce6e5;
- 3'b110: bram_reg_b <= 32'he12c4247;
- 3'b111: bram_reg_b <= 32'h6b17d1f2;
- endcase
-
-
-endmodule
diff --git a/rtl/curve/rom/brom_p256_g_y.v b/rtl/curve/rom/brom_p256_g_y.v
deleted file mode 100644
index 4d9c61e..0000000
--- a/rtl/curve/rom/brom_p256_g_y.v
+++ /dev/null
@@ -1,68 +0,0 @@
-//======================================================================
-//
-// Copyright (c) 2016, 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 brom_p256_g_y
- (
- input wire clk,
- input wire [ 3-1:0] b_addr,
- output wire [32-1:0] b_out
- );
-
-
- //
- // Output Registers
- //
- reg [31:0] bram_reg_b;
-
- assign b_out = bram_reg_b;
-
-
- //
- // Read-Only Port B
- //
- always @(posedge clk)
- //
- case (b_addr)
- 3'b000: bram_reg_b <= 32'h37bf51f5;
- 3'b001: bram_reg_b <= 32'hcbb64068;
- 3'b010: bram_reg_b <= 32'h6b315ece;
- 3'b011: bram_reg_b <= 32'h2bce3357;
- 3'b100: bram_reg_b <= 32'h7c0f9e16;
- 3'b101: bram_reg_b <= 32'h8ee7eb4a;
- 3'b110: bram_reg_b <= 32'hfe1a7f9b;
- 3'b111: bram_reg_b <= 32'h4fe342e2;
- endcase
-
-
-endmodule
diff --git a/rtl/curve/rom/brom_p256_h_x.v b/rtl/curve/rom/brom_p256_h_x.v
deleted file mode 100644
index 0b69f77..0000000
--- a/rtl/curve/rom/brom_p256_h_x.v
+++ /dev/null
@@ -1,68 +0,0 @@
-//======================================================================
-//
-// Copyright (c) 2016, 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 brom_p256_h_x
- (
- input wire clk,
- input wire [ 3-1:0] b_addr,
- output wire [32-1:0] b_out
- );
-
-
- //
- // Output Registers
- //
- reg [31:0] bram_reg_b;
-
- assign b_out = bram_reg_b;
-
-
- //
- // Read-Only Port B
- //
- always @(posedge clk)
- //
- case (b_addr)
- 3'b000: bram_reg_b <= 32'h4ece7ad0;
- 3'b001: bram_reg_b <= 32'h16bd8d74;
- 3'b010: bram_reg_b <= 32'ha42998be;
- 3'b011: bram_reg_b <= 32'h11f904fe;
- 3'b100: bram_reg_b <= 32'h38b77e1b;
- 3'b101: bram_reg_b <= 32'h0e863235;
- 3'b110: bram_reg_b <= 32'h3da77b71;
- 3'b111: bram_reg_b <= 32'h29d05c19;
- endcase
-
-
-endmodule
diff --git a/rtl/curve/rom/brom_p256_h_y.v b/rtl/curve/rom/brom_p256_h_y.v
deleted file mode 100644
index 362fce6..0000000
--- a/rtl/curve/rom/brom_p256_h_y.v
+++ /dev/null
@@ -1,68 +0,0 @@
-//======================================================================
-//
-// Copyright (c) 2016, 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 brom_p256_h_y
- (
- input wire clk,
- input wire [ 3-1:0] b_addr,
- output wire [32-1:0] b_out
- );
-
-
- //
- // Output Registers
- //
- reg [31:0] bram_reg_b;
-
- assign b_out = bram_reg_b;
-
-
- //
- // Read-Only Port B
- //
- always @(posedge clk)
- //
- case (b_addr)
- 3'b000: bram_reg_b <= 32'hc840ae07;
- 3'b001: bram_reg_b <= 32'h3449bf97;
- 3'b010: bram_reg_b <= 32'h94cea131;
- 3'b011: bram_reg_b <= 32'hd431cca9;
- 3'b100: bram_reg_b <= 32'h83f061e9;
- 3'b101: bram_reg_b <= 32'h711814b5;
- 3'b110: bram_reg_b <= 32'h01e58065;
- 3'b111: bram_reg_b <= 32'hb01cbd1c;
- endcase
-
-
-endmodule
diff --git a/rtl/curve/rom/brom_p256_one.v b/rtl/curve/rom/brom_p256_one.v
deleted file mode 100644
index 4097874..0000000
--- a/rtl/curve/rom/brom_p256_one.v
+++ /dev/null
@@ -1,68 +0,0 @@
-//======================================================================
-//
-// Copyright (c) 2016, 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 brom_p256_one
- (
- input wire clk,
- input wire [ 3-1:0] b_addr,
- output wire [32-1:0] b_out
- );
-
-
- //
- // Output Registers
- //
- reg [31:0] bram_reg_b;
-
- assign b_out = bram_reg_b;
-
-
- //
- // Read-Only Port B
- //
- always @(posedge clk)
- //
- case (b_addr)
- 3'b000: bram_reg_b <= 32'h00000001;
- 3'b001: bram_reg_b <= 32'h00000000;
- 3'b010: bram_reg_b <= 32'h00000000;
- 3'b011: bram_reg_b <= 32'h00000000;
- 3'b100: bram_reg_b <= 32'h00000000;
- 3'b101: bram_reg_b <= 32'h00000000;
- 3'b110: bram_reg_b <= 32'h00000000;
- 3'b111: bram_reg_b <= 32'h00000000;
- endcase
-
-
-endmodule
diff --git a/rtl/curve/rom/brom_p256_q.v b/rtl/curve/rom/brom_p256_q.v
deleted file mode 100644
index fe94593..0000000
--- a/rtl/curve/rom/brom_p256_q.v
+++ /dev/null
@@ -1,68 +0,0 @@
-//======================================================================
-//
-// Copyright (c) 2016, 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 brom_p256_q
- (
- input wire clk,
- input wire [ 3-1:0] b_addr,
- output wire [32-1:0] b_out
- );
-
-
- //
- // Output Registers
- //
- reg [31:0] bram_reg_b;
-
- assign b_out = bram_reg_b;
-
-
- //
- // Read-Only Port B
- //
- always @(posedge clk)
- //
- case (b_addr)
- 3'b000: bram_reg_b <= 32'hffffffff;
- 3'b001: bram_reg_b <= 32'hffffffff;
- 3'b010: bram_reg_b <= 32'hffffffff;
- 3'b011: bram_reg_b <= 32'h00000000;
- 3'b100: bram_reg_b <= 32'h00000000;
- 3'b101: bram_reg_b <= 32'h00000000;
- 3'b110: bram_reg_b <= 32'h00000001;
- 3'b111: bram_reg_b <= 32'hffffffff;
- endcase
-
-
-endmodule
diff --git a/rtl/curve/rom/brom_p256_zero.v b/rtl/curve/rom/brom_p256_zero.v
deleted file mode 100644
index f6d19a1..0000000
--- a/rtl/curve/rom/brom_p256_zero.v
+++ /dev/null
@@ -1,70 +0,0 @@
-//======================================================================
-//
-// Copyright (c) 2016, 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 brom_p256_zero
- (
- //input wire clk,
- //input wire [ 3-1:0] b_addr,
- output wire [32-1:0] b_out
- );
-
-
- assign b_out = {32{1'b0}};
-
- //
- // Output Registers
- //
- //reg [31:0] bram_reg_b;
-
- //assign b_out = bram_reg_b;
-
-
- //
- // Read-Only Port B
- //
- //always @(posedge clk)
- //
- //case (b_addr)
- //3'b000: bram_reg_b <= 32'h00000000;
- //3'b001: bram_reg_b <= 32'h00000000;
- //3'b010: bram_reg_b <= 32'h00000000;
- //3'b011: bram_reg_b <= 32'h00000000;
- //3'b100: bram_reg_b <= 32'h00000000;
- //3'b101: bram_reg_b <= 32'h00000000;
- //3'b110: bram_reg_b <= 32'h00000000;
- //3'b111: bram_reg_b <= 32'h00000000;
- //endcase
-
-
-endmodule
diff --git a/rtl/curve/uop/uop_add_rom.v b/rtl/curve/uop/uop_add_rom.v
index c807736..c94aaf8 100644
--- a/rtl/curve/uop/uop_add_rom.v
+++ b/rtl/curve/uop/uop_add_rom.v
@@ -1,44 +1,44 @@
-`timescale 1ns / 1ps
-
-module uop_add_rom
- (
- input wire clk,
- input wire [ 5: 0] addr,
- output reg [19: 0] data
- );
-
+`timescale 1ns / 1ps
- //
- // Microcode
- //
-`include "..\uop_ecdsa.v"
-
+module uop_add_rom
+ (
+ input wire clk,
+ input wire [ 5: 0] addr,
+ output reg [19: 0] data
+ );
- //
- // Addition Microprogram
- //
+
+ //
+ // Microcode
+ //
+`include "../uop_ecdsa.v"
+
+
+ //
+ // Addition Microprogram
+ //
always @(posedge clk)
- case (addr)
-
+ case (addr)
+
/* 2. */6'd00: data <= {OPCODE_CMP, UOP_SRC_PZ, UOP_SRC_ZERO, UOP_DST_DUMMY, UOP_EXEC_ALWAYS};
/* 3. */6'd01: data <= {OPCODE_MOV, UOP_SRC_PZ, UOP_SRC_DUMMY, UOP_DST_T1, UOP_EXEC_ALWAYS};
- 6'd02: data <= {OPCODE_MUL, UOP_SRC_PZ, UOP_SRC_T1, UOP_DST_T1, UOP_EXEC_ALWAYS};
+ 6'd02: data <= {OPCODE_MUL, UOP_SRC_PZ, UOP_SRC_T1, UOP_DST_T1, UOP_EXEC_ALWAYS};
/* 4. */6'd03: data <= {OPCODE_MUL, UOP_SRC_PZ, UOP_SRC_T1, UOP_DST_T2, UOP_EXEC_ALWAYS};
/* 5. */6'd04: data <= {OPCODE_MUL, UOP_SRC_T1, UOP_SRC_G_X, UOP_DST_T1, UOP_EXEC_ALWAYS};
/* 6. */6'd05: data <= {OPCODE_MUL, UOP_SRC_T2, UOP_SRC_G_Y, UOP_DST_T2, UOP_EXEC_ALWAYS};
/* 7. */6'd06: data <= {OPCODE_SUB, UOP_SRC_T1, UOP_SRC_PX, UOP_DST_T1, UOP_EXEC_ALWAYS};
/* 8. */6'd07: data <= {OPCODE_SUB, UOP_SRC_T2, UOP_SRC_PY, UOP_DST_T2, UOP_EXEC_ALWAYS};
/* 9. */6'd08: data <= {OPCODE_CMP, UOP_SRC_T1, UOP_SRC_ZERO, UOP_DST_DUMMY, UOP_EXEC_ALWAYS};
- 6'd09: data <= {OPCODE_CMP, UOP_SRC_T2, UOP_SRC_ZERO, UOP_DST_DUMMY, UOP_EXEC_ALWAYS};
+ 6'd09: data <= {OPCODE_CMP, UOP_SRC_T2, UOP_SRC_ZERO, UOP_DST_DUMMY, UOP_EXEC_ALWAYS};
/* 10. */6'd10: data <= {OPCODE_MUL, UOP_SRC_PZ, UOP_SRC_T1, UOP_DST_RZ, UOP_EXEC_ALWAYS};
/* 11. */6'd11: data <= {OPCODE_MOV, UOP_SRC_T1, UOP_SRC_DUMMY, UOP_DST_T3, UOP_EXEC_ALWAYS};
- 6'd12: data <= {OPCODE_MUL, UOP_SRC_T1, UOP_SRC_T3, UOP_DST_T3, UOP_EXEC_ALWAYS};
+ 6'd12: data <= {OPCODE_MUL, UOP_SRC_T1, UOP_SRC_T3, UOP_DST_T3, UOP_EXEC_ALWAYS};
/* 12. */6'd13: data <= {OPCODE_MUL, UOP_SRC_T1, UOP_SRC_T3, UOP_DST_T4, UOP_EXEC_ALWAYS};
/* 13. */6'd14: data <= {OPCODE_MUL, UOP_SRC_PX, UOP_SRC_T3, UOP_DST_T3, UOP_EXEC_ALWAYS};
/* 14. */6'd15: data <= {OPCODE_ADD, UOP_SRC_T3, UOP_SRC_T3, UOP_DST_T1, UOP_EXEC_ALWAYS};
/* 15. */6'd16: data <= {OPCODE_MOV, UOP_SRC_T2, UOP_SRC_DUMMY, UOP_DST_RX, UOP_EXEC_ALWAYS};
- 6'd17: data <= {OPCODE_MUL, UOP_SRC_RX, UOP_SRC_T2, UOP_DST_RX, UOP_EXEC_ALWAYS};
+ 6'd17: data <= {OPCODE_MUL, UOP_SRC_RX, UOP_SRC_T2, UOP_DST_RX, UOP_EXEC_ALWAYS};
/* 16. */6'd18: data <= {OPCODE_SUB, UOP_SRC_RX, UOP_SRC_T1, UOP_DST_RX, UOP_EXEC_ALWAYS};
/* 17. */6'd19: data <= {OPCODE_SUB, UOP_SRC_RX, UOP_SRC_T4, UOP_DST_RX, UOP_EXEC_ALWAYS};
/* 18. */6'd20: data <= {OPCODE_SUB, UOP_SRC_T3, UOP_SRC_RX, UOP_DST_T3, UOP_EXEC_ALWAYS};
@@ -46,21 +46,21 @@ module uop_add_rom
/* 20. */6'd22: data <= {OPCODE_MUL, UOP_SRC_PY, UOP_SRC_T4, UOP_DST_T4, UOP_EXEC_ALWAYS};
/* 21. */6'd23: data <= {OPCODE_SUB, UOP_SRC_T3, UOP_SRC_T4, UOP_DST_RY, UOP_EXEC_ALWAYS};
- 6'd24: data <= {OPCODE_MOV, UOP_SRC_G_X, UOP_SRC_DUMMY, UOP_DST_RX, UOP_EXEC_PZT1T2_0XX};
- 6'd25: data <= {OPCODE_MOV, UOP_SRC_G_Y, UOP_SRC_DUMMY, UOP_DST_RY, UOP_EXEC_PZT1T2_0XX};
- 6'd26: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RZ, UOP_EXEC_PZT1T2_0XX};
-
- 6'd27: data <= {OPCODE_MOV, UOP_SRC_H_X, UOP_SRC_DUMMY, UOP_DST_RX, UOP_EXEC_PZT1T2_100};
- 6'd28: data <= {OPCODE_MOV, UOP_SRC_H_Y, UOP_SRC_DUMMY, UOP_DST_RY, UOP_EXEC_PZT1T2_100};
- 6'd29: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RZ, UOP_EXEC_PZT1T2_100};
-
- 6'd30: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RX, UOP_EXEC_PZT1T2_101};
- 6'd31: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RY, UOP_EXEC_PZT1T2_101};
- 6'd32: data <= {OPCODE_MOV, UOP_SRC_ZERO, UOP_SRC_DUMMY, UOP_DST_RZ, UOP_EXEC_PZT1T2_101};
-
- default: data <= {OPCODE_RDY, UOP_SRC_DUMMY, UOP_SRC_DUMMY, UOP_DST_DUMMY};
-
- endcase
-
-
-endmodule
+ 6'd24: data <= {OPCODE_MOV, UOP_SRC_G_X, UOP_SRC_DUMMY, UOP_DST_RX, UOP_EXEC_PZT1T2_0XX};
+ 6'd25: data <= {OPCODE_MOV, UOP_SRC_G_Y, UOP_SRC_DUMMY, UOP_DST_RY, UOP_EXEC_PZT1T2_0XX};
+ 6'd26: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RZ, UOP_EXEC_PZT1T2_0XX};
+
+ 6'd27: data <= {OPCODE_MOV, UOP_SRC_H_X, UOP_SRC_DUMMY, UOP_DST_RX, UOP_EXEC_PZT1T2_100};
+ 6'd28: data <= {OPCODE_MOV, UOP_SRC_H_Y, UOP_SRC_DUMMY, UOP_DST_RY, UOP_EXEC_PZT1T2_100};
+ 6'd29: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RZ, UOP_EXEC_PZT1T2_100};
+
+ 6'd30: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RX, UOP_EXEC_PZT1T2_101};
+ 6'd31: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RY, UOP_EXEC_PZT1T2_101};
+ 6'd32: data <= {OPCODE_MOV, UOP_SRC_ZERO, UOP_SRC_DUMMY, UOP_DST_RZ, UOP_EXEC_PZT1T2_101};
+
+ default: data <= {OPCODE_RDY, UOP_SRC_DUMMY, UOP_SRC_DUMMY, UOP_DST_DUMMY};
+
+ endcase
+
+
+endmodule
diff --git a/rtl/curve/uop/uop_conv_rom.v b/rtl/curve/uop/uop_conv_rom.v
index 3097736..dd6a7cb 100644
--- a/rtl/curve/uop/uop_conv_rom.v
+++ b/rtl/curve/uop/uop_conv_rom.v
@@ -1,38 +1,38 @@
-`timescale 1ns / 1ps
-
-module uop_conv_rom
- (
- input wire clk,
- input wire [ 5: 0] addr,
- output reg [19: 0] data
- );
-
-
- //
- // Microcode
- //
-`include "..\uop_ecdsa.v"
-
-
- //
- // Doubling Microprogram
- //
+`timescale 1ns / 1ps
+
+module uop_conv_rom
+ (
+ input wire clk,
+ input wire [ 5: 0] addr,
+ output reg [19: 0] data
+ );
+
+
+ //
+ // Microcode
+ //
+`include "../uop_ecdsa.v"
+
+
+ //
+ // Doubling Microprogram
+ //
always @(posedge clk)
- case (addr)
-
- 6'd00: data <= {OPCODE_CMP, UOP_SRC_PZ, UOP_SRC_ZERO, UOP_DST_DUMMY, UOP_EXEC_ALWAYS};
- 6'd01: data <= {OPCODE_MOV, UOP_SRC_V, UOP_SRC_DUMMY, UOP_DST_T1, UOP_EXEC_ALWAYS};
- 6'd02: data <= {OPCODE_MUL, UOP_SRC_V, UOP_SRC_T1, UOP_DST_T2, UOP_EXEC_ALWAYS};
- 6'd03: data <= {OPCODE_MUL, UOP_SRC_V, UOP_SRC_T2, UOP_DST_T3, UOP_EXEC_ALWAYS};
- 6'd04: data <= {OPCODE_MUL, UOP_SRC_PX, UOP_SRC_T2, UOP_DST_RX, UOP_EXEC_ALWAYS};
- 6'd05: data <= {OPCODE_MUL, UOP_SRC_PY, UOP_SRC_T3, UOP_DST_RY, UOP_EXEC_ALWAYS};
- 6'd06: data <= {OPCODE_MOV, UOP_SRC_ZERO, UOP_SRC_DUMMY, UOP_DST_RX, UOP_EXEC_PZT1T2_0XX};
- 6'd07: data <= {OPCODE_MOV, UOP_SRC_ZERO, UOP_SRC_DUMMY, UOP_DST_RY, UOP_EXEC_PZT1T2_0XX};
-
- default: data <= {OPCODE_RDY, UOP_SRC_DUMMY, UOP_SRC_DUMMY, UOP_DST_DUMMY};
-
- endcase
-
-
-endmodule
+ case (addr)
+
+ 6'd00: data <= {OPCODE_CMP, UOP_SRC_PZ, UOP_SRC_ZERO, UOP_DST_DUMMY, UOP_EXEC_ALWAYS};
+ 6'd01: data <= {OPCODE_MOV, UOP_SRC_V, UOP_SRC_DUMMY, UOP_DST_T1, UOP_EXEC_ALWAYS};
+ 6'd02: data <= {OPCODE_MUL, UOP_SRC_V, UOP_SRC_T1, UOP_DST_T2, UOP_EXEC_ALWAYS};
+ 6'd03: data <= {OPCODE_MUL, UOP_SRC_V, UOP_SRC_T2, UOP_DST_T3, UOP_EXEC_ALWAYS};
+ 6'd04: data <= {OPCODE_MUL, UOP_SRC_PX, UOP_SRC_T2, UOP_DST_RX, UOP_EXEC_ALWAYS};
+ 6'd05: data <= {OPCODE_MUL, UOP_SRC_PY, UOP_SRC_T3, UOP_DST_RY, UOP_EXEC_ALWAYS};
+ 6'd06: data <= {OPCODE_MOV, UOP_SRC_ZERO, UOP_SRC_DUMMY, UOP_DST_RX, UOP_EXEC_PZT1T2_0XX};
+ 6'd07: data <= {OPCODE_MOV, UOP_SRC_ZERO, UOP_SRC_DUMMY, UOP_DST_RY, UOP_EXEC_PZT1T2_0XX};
+
+ default: data <= {OPCODE_RDY, UOP_SRC_DUMMY, UOP_SRC_DUMMY, UOP_DST_DUMMY};
+
+ endcase
+
+
+endmodule
diff --git a/rtl/curve/uop/uop_dbl_rom.v b/rtl/curve/uop/uop_dbl_rom.v
index 1939ca9..9ded543 100644
--- a/rtl/curve/uop/uop_dbl_rom.v
+++ b/rtl/curve/uop/uop_dbl_rom.v
@@ -1,26 +1,26 @@
-`timescale 1ns / 1ps
-
-module uop_dbl_rom
- (
- input wire clk,
- input wire [ 5: 0] addr,
- output reg [19: 0] data
- );
-
-
- //
- // Microcode
- //
-`include "..\uop_ecdsa.v"
-
-
- //
- // Doubling Microprogram
- //
+`timescale 1ns / 1ps
+
+module uop_dbl_rom
+ (
+ input wire clk,
+ input wire [ 5: 0] addr,
+ output reg [19: 0] data
+ );
+
+
+ //
+ // Microcode
+ //
+`include "../uop_ecdsa.v"
+
+
+ //
+ // Doubling Microprogram
+ //
always @(posedge clk)
- case (addr)
-
+ case (addr)
+
/* 1. */6'd00: data <= {OPCODE_CMP, UOP_SRC_PZ, UOP_SRC_ZERO, UOP_DST_DUMMY, UOP_EXEC_ALWAYS};
/* 2. */6'd01: data <= {OPCODE_MOV, UOP_SRC_PZ, UOP_SRC_DUMMY, UOP_DST_T1, UOP_EXEC_ALWAYS};
5'd02: data <= {OPCODE_MUL, UOP_SRC_PZ, UOP_SRC_T1, UOP_DST_T1, UOP_EXEC_ALWAYS};
@@ -42,17 +42,17 @@ module uop_dbl_rom
6'd18: data <= {OPCODE_MUL, UOP_SRC_T1, UOP_SRC_T2, UOP_DST_RX, UOP_EXEC_ALWAYS};
/* 14. */6'd19: data <= {OPCODE_ADD, UOP_SRC_T3, UOP_SRC_T3, UOP_DST_T1, UOP_EXEC_ALWAYS};
/* 15. */6'd20: data <= {OPCODE_SUB, UOP_SRC_RX, UOP_SRC_T1, UOP_DST_RX, UOP_EXEC_ALWAYS};
-/* 16. */6'd21: data <= {OPCODE_SUB, UOP_SRC_T3, UOP_SRC_RX, UOP_DST_T1, UOP_EXEC_ALWAYS};
+/* 16. */6'd21: data <= {OPCODE_SUB, UOP_SRC_T3, UOP_SRC_RX, UOP_DST_T1, UOP_EXEC_ALWAYS};
/* 17. */6'd22: data <= {OPCODE_MUL, UOP_SRC_T1, UOP_SRC_T2, UOP_DST_T1, UOP_EXEC_ALWAYS};
-/* 18. */6'd23: data <= {OPCODE_SUB, UOP_SRC_T1, UOP_SRC_RY, UOP_DST_RY, UOP_EXEC_ALWAYS};
-
- 6'd24: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RX, UOP_EXEC_PZT1T2_0XX};
- 6'd25: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RY, UOP_EXEC_PZT1T2_0XX};
- 6'd26: data <= {OPCODE_MOV, UOP_SRC_ZERO, UOP_SRC_DUMMY, UOP_DST_RZ, UOP_EXEC_PZT1T2_0XX};
-
- default: data <= {OPCODE_RDY, UOP_SRC_DUMMY, UOP_SRC_DUMMY, UOP_DST_DUMMY};
-
- endcase
-
-
-endmodule
+/* 18. */6'd23: data <= {OPCODE_SUB, UOP_SRC_T1, UOP_SRC_RY, UOP_DST_RY, UOP_EXEC_ALWAYS};
+
+ 6'd24: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RX, UOP_EXEC_PZT1T2_0XX};
+ 6'd25: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RY, UOP_EXEC_PZT1T2_0XX};
+ 6'd26: data <= {OPCODE_MOV, UOP_SRC_ZERO, UOP_SRC_DUMMY, UOP_DST_RZ, UOP_EXEC_PZT1T2_0XX};
+
+ default: data <= {OPCODE_RDY, UOP_SRC_DUMMY, UOP_SRC_DUMMY, UOP_DST_DUMMY};
+
+ endcase
+
+
+endmodule
diff --git a/rtl/curve/uop/uop_init_rom.v b/rtl/curve/uop/uop_init_rom.v
index ac44b55..3863dbf 100644
--- a/rtl/curve/uop/uop_init_rom.v
+++ b/rtl/curve/uop/uop_init_rom.v
@@ -1,33 +1,33 @@
-`timescale 1ns / 1ps
-
-module uop_init_rom
- (
- input wire clk,
- input wire [ 5: 0] addr,
- output reg [19: 0] data
- );
-
-
- //
- // Microcode
- //
-`include "..\uop_ecdsa.v"
-
-
- //
- // Doubling Microprogram
- //
+`timescale 1ns / 1ps
+
+module uop_init_rom
+ (
+ input wire clk,
+ input wire [ 5: 0] addr,
+ output reg [19: 0] data
+ );
+
+
+ //
+ // Microcode
+ //
+`include "../uop_ecdsa.v"
+
+
+ //
+ // Doubling Microprogram
+ //
always @(posedge clk)
- case (addr)
-
- 6'd00: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RX, UOP_EXEC_ALWAYS};
- 6'd01: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RY, UOP_EXEC_ALWAYS};
- 6'd02: data <= {OPCODE_MOV, UOP_SRC_ZERO, UOP_SRC_DUMMY, UOP_DST_RZ, UOP_EXEC_ALWAYS};
-
- default: data <= {OPCODE_RDY, UOP_SRC_DUMMY, UOP_SRC_DUMMY, UOP_DST_DUMMY};
-
- endcase
-
-
-endmodule
+ case (addr)
+
+ 6'd00: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RX, UOP_EXEC_ALWAYS};
+ 6'd01: data <= {OPCODE_MOV, UOP_SRC_ONE, UOP_SRC_DUMMY, UOP_DST_RY, UOP_EXEC_ALWAYS};
+ 6'd02: data <= {OPCODE_MOV, UOP_SRC_ZERO, UOP_SRC_DUMMY, UOP_DST_RZ, UOP_EXEC_ALWAYS};
+
+ default: data <= {OPCODE_RDY, UOP_SRC_DUMMY, UOP_SRC_DUMMY, UOP_DST_DUMMY};
+
+ endcase
+
+
+endmodule
diff --git a/rtl/curve/uop_ecdsa.v b/rtl/curve/uop_ecdsa.v
index e64119d..ce757be 100644
--- a/rtl/curve/uop_ecdsa.v
+++ b/rtl/curve/uop_ecdsa.v
@@ -20,8 +20,8 @@ localparam [ 4: 0] UOP_SRC_T4 = 5'h0_9;
localparam [ 4: 0] UOP_SRC_ONE = 5'h0_A;
localparam [ 4: 0] UOP_SRC_ZERO = 5'h0_B;
-localparam [ 4: 0] UOP_SRC_DELTA = 5'h0_C;
-
+localparam [ 4: 0] UOP_SRC_DELTA = 5'h0_C;
+
localparam [ 4: 0] UOP_SRC_V = 5'h0_F;
localparam [ 4: 0] UOP_SRC_G_X = 5'h1_0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-24 05:41:35 +0000