Microcode redesigned for Montgomery ladder approach

1 files changed, 60 insertions, 60 deletions

diff --git a/rtl/microcode/ecdsa_uop.vh b/rtl/microcode/ecdsa_uop.vh
index cebec26..b0ac1f4 100644
--- a/rtl/microcode/ecdsa_uop.vh
+++ b/rtl/microcode/ecdsa_uop.vh
@@ -1,6 +1,6 @@
 //======================================================================
 //
-// Copyright (c) 2018, NORDUnet A/S All rights reserved.
+// Copyright (c) 2018, 2021 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
@@ -30,23 +30,28 @@
 //
 //======================================================================
 
+
+//
+// Debug Switch (should be turned off for synthesis)
+//
+//`define CRYPTECH_DEBUG_ECDSA
+
+
 localparam integer UOP_ADDR_WIDTH    = 9;    // 2 ^ 9 = max 512 instructions
 
 localparam integer UOP_DATA_WIDTH = 6 + 1 + 3 * 6;  // opcode + banks + 3 * operand (2 * src + dst)
 
-localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_PREPARE                 = 9'd000;
-localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_DOUBLE            = 9'd004;
-localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_ADD               = 9'd025;
-localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_ADD_AT_INFINITY   = 9'd053;
-localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_ADD_SAME_X_SAME_Y = 9'd057;
-localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_ADD_SAME_X        = 9'd061;
-localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_ADD_REGULAR       = 9'd065;
-localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_K0                = 9'd069;
-localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_K1                = 9'd073;
-localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CONVERT                 = 9'd077;
-localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CONVERT_AT_INFINITY     = 9'd081;
-localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CONVERT_REGULAR         = 9'd084;
-localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_INVERT                  = 9'd087;
+localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_PREPARE                    = 9'd000;
+localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_DOUBLE_R0            = 9'd007;
+localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_DOUBLE_R1            = 9'd029;
+localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_ADD                  = 9'd051;
+localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_ADD_R0_AT_INFINITY   = 9'd084;
+localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_ADD_R1_AT_INFINITY   = 9'd088;
+localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_ADD_REGULAR          = 9'd092;
+localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_K0                   = 9'd096;
+localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CYCLE_K1                   = 9'd103;
+localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_CONVERT                    = 9'd110;
+localparam [UOP_ADDR_WIDTH-1:0] UOP_OFFSET_INVERT                     = 9'd113;
 
 localparam [5:0] UOP_OPCODE_CMPZ    = 6'b000001;
 localparam [5:0] UOP_OPCODE_COPY    = 6'b000010;
@@ -66,52 +71,47 @@ localparam [5:0] UOP_OPERAND_CONST_DELTA    = 6'd02;
 localparam [5:0] UOP_OPERAND_CONST_GX       = 6'd03;
 localparam [5:0] UOP_OPERAND_CONST_GY       = 6'd04;
 
-localparam [5:0] UOP_OPERAND_CONST_HX       = 6'd05;
-localparam [5:0] UOP_OPERAND_CONST_HY       = 6'd06;
-
-localparam [5:0] UOP_OPERAND_CYCLE_RX       = 6'd07;
-localparam [5:0] UOP_OPERAND_CYCLE_RY       = 6'd08;
-localparam [5:0] UOP_OPERAND_CYCLE_RZ       = 6'd09;
-
-localparam [5:0] UOP_OPERAND_CYCLE_SX       = 6'd10;
-localparam [5:0] UOP_OPERAND_CYCLE_SY       = 6'd11;
-localparam [5:0] UOP_OPERAND_CYCLE_SZ       = 6'd12;
-
-localparam [5:0] UOP_OPERAND_CYCLE_A        = 6'd13;
-localparam [5:0] UOP_OPERAND_CYCLE_A2       = 6'd14;
-localparam [5:0] UOP_OPERAND_CYCLE_B        = 6'd15;
-localparam [5:0] UOP_OPERAND_CYCLE_C        = 6'd16;
-localparam [5:0] UOP_OPERAND_CYCLE_C2       = 6'd17;
-localparam [5:0] UOP_OPERAND_CYCLE_C2_2     = 6'd18;
-localparam [5:0] UOP_OPERAND_CYCLE_D        = 6'd19;
-localparam [5:0] UOP_OPERAND_CYCLE_E        = 6'd20;
-localparam [5:0] UOP_OPERAND_CYCLE_F        = 6'd21;
-localparam [5:0] UOP_OPERAND_CYCLE_G        = 6'd22;
-localparam [5:0] UOP_OPERAND_CYCLE_H        = 6'd23;
-localparam [5:0] UOP_OPERAND_CYCLE_J        = 6'd24;
-
-localparam [5:0] UOP_OPERAND_CYCLE_Z2       = 6'd25;
-
-localparam [5:0] UOP_OPERAND_CYCLE_T1       = 6'd26;
-localparam [5:0] UOP_OPERAND_CYCLE_T2       = 6'd27;
-localparam [5:0] UOP_OPERAND_CYCLE_T3       = 6'd28;
-localparam [5:0] UOP_OPERAND_CYCLE_T4       = 6'd29;
-
-localparam [5:0] UOP_OPERAND_INVERT_R1      = 6'd30;
-localparam [5:0] UOP_OPERAND_INVERT_R2      = 6'd31;
-
-localparam [5:0] UOP_OPERAND_INVERT_X2      = 6'd32;
-localparam [5:0] UOP_OPERAND_INVERT_X3      = 6'd33;
-localparam [5:0] UOP_OPERAND_INVERT_X6      = 6'd34;
-localparam [5:0] UOP_OPERAND_INVERT_X12     = 6'd35;
-localparam [5:0] UOP_OPERAND_INVERT_X15     = 6'd36;
-localparam [5:0] UOP_OPERAND_INVERT_X30     = 6'd37;
-localparam [5:0] UOP_OPERAND_INVERT_X32     = 6'd38;
-localparam [5:0] UOP_OPERAND_INVERT_X60     = 6'd39;
-localparam [5:0] UOP_OPERAND_INVERT_X120    = 6'd40;
-
-localparam [5:0] UOP_OPERAND_INVERT_A2      = 6'd41;
-localparam [5:0] UOP_OPERAND_INVERT_A3      = 6'd42;
+localparam [5:0] UOP_OPERAND_CYCLE_R0X      = 6'd05;
+localparam [5:0] UOP_OPERAND_CYCLE_R0Y      = 6'd06;
+localparam [5:0] UOP_OPERAND_CYCLE_R0Z      = 6'd07;
+
+localparam [5:0] UOP_OPERAND_CYCLE_R1X      = 6'd08;
+localparam [5:0] UOP_OPERAND_CYCLE_R1Y      = 6'd09;
+localparam [5:0] UOP_OPERAND_CYCLE_R1Z      = 6'd10;
+
+localparam [5:0] UOP_OPERAND_CYCLE_SX       = 6'd11;
+localparam [5:0] UOP_OPERAND_CYCLE_SY       = 6'd12;
+localparam [5:0] UOP_OPERAND_CYCLE_SZ       = 6'd13;
+
+localparam [5:0] UOP_OPERAND_CYCLE_TX       = 6'd14;
+localparam [5:0] UOP_OPERAND_CYCLE_TY       = 6'd15;
+localparam [5:0] UOP_OPERAND_CYCLE_TZ       = 6'd16;
+
+localparam [5:0] UOP_OPERAND_CYCLE_T1       = 6'd17;
+localparam [5:0] UOP_OPERAND_CYCLE_T2       = 6'd18;
+localparam [5:0] UOP_OPERAND_CYCLE_T3       = 6'd19;
+localparam [5:0] UOP_OPERAND_CYCLE_T4       = 6'd20;
+
+localparam [5:0] UOP_OPERAND_CYCLE_T5       = 6'd21;
+localparam [5:0] UOP_OPERAND_CYCLE_T6       = 6'd22;
+localparam [5:0] UOP_OPERAND_CYCLE_T7       = 6'd23;
+localparam [5:0] UOP_OPERAND_CYCLE_T8       = 6'd24;
+
+localparam [5:0] UOP_OPERAND_INVERT_R1      = 6'd25;
+localparam [5:0] UOP_OPERAND_INVERT_R2      = 6'd26;
+
+localparam [5:0] UOP_OPERAND_INVERT_X2      = 6'd27;
+localparam [5:0] UOP_OPERAND_INVERT_X3      = 6'd28;
+localparam [5:0] UOP_OPERAND_INVERT_X6      = 6'd29;
+localparam [5:0] UOP_OPERAND_INVERT_X12     = 6'd30;
+localparam [5:0] UOP_OPERAND_INVERT_X15     = 6'd31;
+localparam [5:0] UOP_OPERAND_INVERT_X30     = 6'd32;
+localparam [5:0] UOP_OPERAND_INVERT_X32     = 6'd33;
+localparam [5:0] UOP_OPERAND_INVERT_X60     = 6'd34;
+localparam [5:0] UOP_OPERAND_INVERT_X120    = 6'd35;
+
+localparam [5:0] UOP_OPERAND_INVERT_A2      = 6'd36;
+localparam [5:0] UOP_OPERAND_INVERT_A3      = 6'd37;
 
 localparam [5:0] UOP_OPERAND_DONTCARE       = 6'dX;