[Cryptech-Commits] [core/pkey/ed25519] 06/06: Microcode framework and partial listing, work in progress
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Mon Sep 24 22:28:22 UTC 2018
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meisterpaul1 at yandex.ru pushed a commit to branch master
in repository core/pkey/ed25519.
commit 7e306d898c9a3ce0d347822e58e10f2b810e78c2
Author: Pavel V. Shatov (Meister) <meisterpaul1 at yandex.ru>
AuthorDate: Tue Sep 25 01:25:51 2018 +0300
Microcode framework and partial listing, work in progress
---
rtl/ed25519_microcode.v | 88 +++++++++++++++++++++++++++++++++++
rtl/ed25519_uop.v | 119 ++++++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 207 insertions(+)
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
+//------------------------------------------------------------------------------
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