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Diffstat (limited to 'src/rtl/coretest_hashes.v')
| -rw-r--r-- | src/rtl/coretest_hashes.v | 315 |
1 files changed, 0 insertions, 315 deletions
diff --git a/src/rtl/coretest_hashes.v b/src/rtl/coretest_hashes.v deleted file mode 100644 index 34208c5..0000000 --- a/src/rtl/coretest_hashes.v +++ /dev/null @@ -1,315 +0,0 @@ -//====================================================================== -// -// coretest_hashes.v -// ----------------- -// Top level wrapper that creates the Cryptech coretest system. -// The wrapper contains instances of external interface, coretest -// and the core to be tested. And if more than one core is -// present the wrapper also includes address and data muxes. -// -// -// Author: Joachim Strombergson -// Copyright (c) 2014, SUNET -// All rights reserved. -// -// Redistribution and use in source and binary forms, with or -// without modification, are permitted provided that the following -// conditions are met: -// -// 1. Redistributions of source code must retain the above copyright -// notice, this list of conditions and the following disclaimer. -// -// 2. 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. -// -// 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 OWNER 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 coretest_hashes( - input wire clk, - input wire reset_n, - - // External interface. - input wire rxd, - output wire txd, - - output wire [7 : 0] debug - ); - - - //---------------------------------------------------------------- - // Internal constant and parameter definitions. - //---------------------------------------------------------------- - parameter UART_ADDR_PREFIX = 8'h00; - parameter SHA1_ADDR_PREFIX = 8'h10; - parameter SHA256_ADDR_PREFIX = 8'h20; - parameter SHA512_ADDR_PREFIX = 8'h30; - - - //---------------------------------------------------------------- - // Wires. - //---------------------------------------------------------------- - // Coretest connections. - wire coretest_reset_n; - wire coretest_cs; - wire coretest_we; - wire [15 : 0] coretest_address; - wire [31 : 0] coretest_write_data; - reg [31 : 0] coretest_read_data; - reg coretest_error; - - // uart connections - wire uart_rxd_syn; - wire [7 : 0] uart_rxd_data; - wire uart_rxd_ack; - wire uart_txd_syn; - wire [7 : 0] uart_txd_data; - wire uart_txd_ack; - reg uart_cs; - reg uart_we; - reg [7 : 0] uart_address; - reg [31 : 0] uart_write_data; - wire [31 : 0] uart_read_data; - wire uart_error; - wire [7 : 0] uart_debug; - - // sha1 connections. - reg sha1_cs; - reg sha1_we; - reg [7 : 0] sha1_address; - reg [31 : 0] sha1_write_data; - wire [31 : 0] sha1_read_data; - wire sha1_error; - wire [7 : 0] sha1_debug; - - // sha256 connections. - reg sha256_cs; - reg sha256_we; - reg [7 : 0] sha256_address; - reg [31 : 0] sha256_write_data; - wire [31 : 0] sha256_read_data; - wire sha256_error; - wire [7 : 0] sha256_debug; - - // sha512 connections. - reg sha512_cs; - reg sha512_we; - reg [7 : 0] sha512_address; - reg [31 : 0] sha512_write_data; - wire [31 : 0] sha512_read_data; - wire sha512_error; - wire [7 : 0] sha512_debug; - - - //---------------------------------------------------------------- - // Concurrent assignment. - //---------------------------------------------------------------- - assign debug = uart_debug; - - - //---------------------------------------------------------------- - // Core instantiations. - //---------------------------------------------------------------- - coretest coretest( - .clk(clk), - .reset_n(reset_n), - - .rx_syn(uart_rxd_syn), - .rx_data(uart_rxd_data), - .rx_ack(uart_rxd_ack), - - .tx_syn(uart_txd_syn), - .tx_data(uart_txd_data), - .tx_ack(uart_txd_ack), - - // Interface to the core being tested. - .core_reset_n(coretest_reset_n), - .core_cs(coretest_cs), - .core_we(coretest_we), - .core_address(coretest_address), - .core_write_data(coretest_write_data), - .core_read_data(coretest_read_data), - .core_error(coretest_error) - ); - - - uart uart( - .clk(clk), - .reset_n(reset_n), - - .rxd(rxd), - .txd(txd), - - .rxd_syn(uart_rxd_syn), - .rxd_data(uart_rxd_data), - .rxd_ack(uart_rxd_ack), - - .txd_syn(uart_txd_syn), - .txd_data(uart_txd_data), - .txd_ack(uart_txd_ack), - - .cs(uart_cs), - .we(uart_we), - .address(uart_address), - .write_data(uart_write_data), - .read_data(uart_read_data), - .error(uart_error), - - .debug(uart_debug) - ); - - - sha1 sha1( - // Clock and reset. - .clk(clk), - .reset_n(reset_n), - - // Control. - .cs(sha1_cs), - .we(sha1_we), - - // Data ports. - .address(sha1_address), - .write_data(sha1_write_data), - .read_data(sha1_read_data), - .error(sha1_error) - ); - - - sha256 sha256( - // Clock and reset. - .clk(clk), - .reset_n(reset_n), - - // Control. - .cs(sha256_cs), - .we(sha256_we), - - // Data ports. - .address(sha256_address), - .write_data(sha256_write_data), - .read_data(sha256_read_data), - .error(sha256_error) - ); - - - sha512 sha512( - // Clock and reset. - .clk(clk), - .reset_n(reset_n), - - // Control. - .cs(sha512_cs), - .we(sha512_we), - - // Data ports. - .address(sha512_address), - .write_data(sha512_write_data), - .read_data(sha512_read_data), - .error(sha512_error) - ); - - - //---------------------------------------------------------------- - // address_mux - // - // Combinational data mux that handles addressing between - // cores using the 32-bit memory like interface. - //---------------------------------------------------------------- - always @* - begin : address_mux - // Default assignments. - coretest_read_data = 32'h00000000; - coretest_error = 0; - - uart_cs = 0; - uart_we = 0; - uart_address = 8'h00; - uart_write_data = 32'h00000000; - - sha1_cs = 0; - sha1_we = 0; - sha1_address = 8'h00; - sha1_write_data = 32'h00000000; - - sha256_cs = 0; - sha256_we = 0; - sha256_address = 8'h00; - sha256_write_data = 32'h00000000; - - sha512_cs = 0; - sha512_we = 0; - sha512_address = 8'h00; - sha512_write_data = 32'h00000000; - - - case (coretest_address[15 : 8]) - UART_ADDR_PREFIX: - begin - uart_cs = coretest_cs; - uart_we = coretest_we; - uart_address = coretest_address[7 : 0]; - uart_write_data = coretest_write_data; - coretest_read_data = uart_read_data; - coretest_error = uart_error; - end - - - SHA1_ADDR_PREFIX: - begin - sha1_cs = coretest_cs; - sha1_we = coretest_we; - sha1_address = coretest_address[7 : 0]; - sha1_write_data = coretest_write_data; - coretest_read_data = sha1_read_data; - coretest_error = sha1_error; - end - - - SHA256_ADDR_PREFIX: - begin - sha256_cs = coretest_cs; - sha256_we = coretest_we; - sha256_address = coretest_address[7 : 0]; - sha256_write_data = coretest_write_data; - coretest_read_data = sha256_read_data; - coretest_error = sha256_error; - end - - - SHA512_ADDR_PREFIX: - begin - sha512_cs = coretest_cs; - sha512_we = coretest_we; - sha512_address = coretest_address[7 : 0]; - sha512_write_data = coretest_write_data; - coretest_read_data = sha512_read_data; - coretest_error = sha512_error; - end - - - default: - begin - end - endcase // case (coretest_address[15 : 8]) - end // address_mux - -endmodule // coretest_hashes - -//====================================================================== -// EOF coretest_hashes.v -//====================================================================== |