Promote to a repository in the core tree.

Change name of reset signal from rst_n to reset_n for consistancy with
other Cryptech cores.

Code common between this core and the ecdsa256 core split out into a
separate library repository.

Minor cleanup (Windows-isms, indentation).

4 files changed, 0 insertions, 272 deletions

diff --git a/rtl/lowlevel/generic/adder32_generic.v b/rtl/lowlevel/generic/adder32_generic.v
deleted file mode 100644
index b9c94aa..0000000
--- a/rtl/lowlevel/generic/adder32_generic.v
+++ /dev/null
@@ -1,67 +0,0 @@
-//------------------------------------------------------------------------------
-//
-// adder32_generic.v
-// -----------------------------------------------------------------------------
-// Generic 32-bit adder.

-//
-// 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 adder32_generic

-	(

-		input					clk,		// clock

-		input		[31: 0]	a,			// operand input

-		input		[31: 0]	b,			// operand input

-		output	[31: 0]	s,			// sum output

-		input					c_in,		// carry input

-		output				c_out		// carry output

-	);

-	
-		//
-		// Sum
-		//
-	reg	[32: 0]	s_int;

-	

-	always @(posedge clk)

-		s_int <= {1'b0, a} + {1'b0, b} + {{32{1'b0}}, c_in};

-		

-		//

-		// Output

-		//

-	assign s = s_int[31:0];

-	assign c_out = s_int[32];

-		

-endmodule

-

-//------------------------------------------------------------------------------
-// End-of-File
-//------------------------------------------------------------------------------

diff --git a/rtl/lowlevel/generic/adder47_generic.v b/rtl/lowlevel/generic/adder47_generic.v
deleted file mode 100644
index f472061..0000000
--- a/rtl/lowlevel/generic/adder47_generic.v
+++ /dev/null
@@ -1,64 +0,0 @@
-//------------------------------------------------------------------------------
-//
-// adder47_generic.v
-// -----------------------------------------------------------------------------
-// Generic 47-bit adder.

-//
-// 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 adder47_generic

-	(

-		input					clk,		// clock

-		input		[46: 0]	a,			// operand input

-		input		[46: 0]	b,			// operand input

-		output	[46: 0]	s			// sum output

-	);

-	

-		//
-		// Sum
-		//
-	reg	[46: 0]	s_int;

-	

-	always @(posedge clk)

-		s_int <= a + b;

-		

-		//

-		// Output

-		//

-	assign s = s_int;

-

-endmodule

-

-//------------------------------------------------------------------------------
-// End-of-File
-//------------------------------------------------------------------------------

diff --git a/rtl/lowlevel/generic/mac16_generic.v b/rtl/lowlevel/generic/mac16_generic.v
deleted file mode 100644
index dc95645..0000000
--- a/rtl/lowlevel/generic/mac16_generic.v
+++ /dev/null
@@ -1,74 +0,0 @@
-//------------------------------------------------------------------------------
-//
-// mac16_generic.v
-// -----------------------------------------------------------------------------
-// Generic 16-bit multiplier and 47-bit accumulator.

-//
-// 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 mac16_generic

-	(

-		input					clk,		// clock

-		input					clr,		// clear accumulator (active-high)

-		input					ce,		// enable clock (active-high)

-		input		[15: 0]	a,			// operand input

-		input		[15: 0]	b,			// operand input

-		output	[46: 0]	s			// sum output

-	);

-	

-		//

-		// Multiplier

-		//

-	wire	[31: 0]	p = {{16{1'b0}}, a} * {{16{1'b0}}, b};

-	wire	[46: 0]	p_ext = {{15{1'b0}}, p};

-		

-		//

-		// Accumulator

-		//

-	reg	[46: 0]	s_int;

-	

-	always @(posedge clk)

-		//

-		if (ce) s_int <= clr ? p_ext : p_ext + s_int;

-		

-		//

-		// Output

-		//

-	assign s = s_int;

-

-endmodule

-

-

-//------------------------------------------------------------------------------
-// End-of-File
-//------------------------------------------------------------------------------

diff --git a/rtl/lowlevel/generic/subtractor32_generic.v b/rtl/lowlevel/generic/subtractor32_generic.v
deleted file mode 100644
index 46aefe8..0000000
--- a/rtl/lowlevel/generic/subtractor32_generic.v
+++ /dev/null
@@ -1,67 +0,0 @@
-//------------------------------------------------------------------------------

-//

-// subtractor32_generic.v

-// -----------------------------------------------------------------------------

-// Generic 32-bit subtractor.

-//

-// 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 subtractor32_generic

-	(

-		input					clk,

-		input		[31: 0]	a,

-		input		[31: 0]	b,

-		output	[31: 0]	d,

-		input					b_in,

-		output				b_out	

-	);

-

-		//
-		// Difference
-		//
-	reg	[32: 0]	d_int;

-	

-	always @(posedge clk)

-		d_int <= {1'b0, a} - {1'b0, b} - {{32{1'b0}}, b_in};

-		

-		//

-		// Output

-		//

-	assign d = d_int[31:0];

-	assign b_out = d_int[32];

-

-endmodule

-

-//------------------------------------------------------------------------------

-// End-of-File

-//------------------------------------------------------------------------------