Updates to testbench to fix bugs.
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@ -33,7 +33,7 @@ module blake2b_pipe_top
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#(
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// If we fully unfold the pipeline, the message byte length is hard-coded
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parameter MSG_LEN,
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parameter MSG_VAR_BYTS = MSG_LEN, // Setting this != MSG_LEN will assume only those bytes are changing when fully unrolled
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parameter [(8*MSG_LEN)-1:0] MSG_VAR_BM = {MSG_LEN*8{1'b1}}, // A bit mask of what bitds in the message will change, can be used to reduce logic
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parameter CTL_BITS = 8
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)
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(
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@ -53,7 +53,7 @@ localparam NUM_PIPE = 2 + NUM_PASSES*(NUM_ROUNDS*2) + 2*NUM_PASSES - 1;
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logic [NUM_PIPE-1:0][15:0][63:0] v;
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logic [NUM_PIPE-1:0][7:0][63:0] h;
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logic [NUM_PIPE-1:0][MSG_VAR_BYTS*8-1:0] msg;
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logic [NUM_PIPE-1:0][MSG_LEN*8-1:0] msg;
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logic [MSG_LEN*8-1:0] msg_fixed;
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logic [7:0] byte_len;
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logic [NUM_PIPE-1:0][CTL_BITS-1:0] ctl;
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@ -94,7 +94,8 @@ generate
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// First stage - depends if we are fully unrolling or not as where input comes from
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h[0] <= i_parameters ^ blake2b_pkg::IV;
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v[0] <= 0;
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msg[0] <= i_block.dat;
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for (int i = 0; i < MSG_LEN*8; i++)
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msg[0][i] <= MSG_VAR_BM[i] ? i_block.dat[i] : 1'b0;
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if (i_block.val) begin
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msg_fixed <= i_block.dat;
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byte_len <= i_byte_len;
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@ -151,18 +152,14 @@ generate
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end
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// Second stage
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if (o_hash.rdy) begin
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// Shift message down either from previous pipeline or from fixed portion
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if (g0 < (NUM_PASSES - 1)) begin
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h[PIPE_G0+1] <= h[PIPE_G0];
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init_local_work_vector_pipe(PIPE_G0+1, LAST_BLOCK ? byte_len : 128 , LAST_BLOCK);
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msg[PIPE_G0+1] <= 0;
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for (int i = 0; i < 128; i++) begin
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if ((g0+1)*128 + i < MSG_VAR_BYTS)
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msg[PIPE_G0+1][i*8 +: 8] <= msg[PIPE_G0][((g0+1)*128 + i)*8 +: 8];
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end
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ctl[PIPE_G0+1] <= ctl[PIPE_G0];
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end
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msg[PIPE_G0+1] <= msg[PIPE_G0];
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end
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end
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@ -194,11 +191,12 @@ generate
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logic [63:0] msg0, msg1;
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logic [16*64-1:0] msg_;
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always_comb begin
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msg_ = msg[PIPE_G2-1];
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//for (int i = MSG_VAR_BYTS; i < 16*64; i++)
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for (int i = 0; i < 128; i++)
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if (i + (g0*128) >= MSG_VAR_BYTS)
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msg_[i*8 +: 8] = msg_fixed_int[i*8 +: 8];
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msg_ = 0;
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for (int i = 0; i < 1024; i++)
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if (((i + g0*1024) < MSG_LEN*8) && MSG_VAR_BM[i + (g0*1024)])
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msg_[i] = msg[PIPE_G2-1][i + g0*1024];
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else
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msg_[i] = msg_fixed_int[i];
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for (int i = 0; i < 8; i ++) begin
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msg0 = msg_[64*blake2b_pkg::SIGMA[16*(g1%10) + g2*8 + g3*2] +: 64];
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msg1 = msg_[64*blake2b_pkg::SIGMA[16*(g1%10) + g2*8 + g3*2 + 1] +: 64];
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@ -43,10 +43,10 @@ begin
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repeat (PIPELINES) @(posedge clk);
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#1;
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assert (o_a == 64'hf0c9aa0de38b1b89) else $fatal(0, "%m %t:ERROR, o_a did not match", $time);
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assert (o_b == 64'hbbdf863401fde49b) else $fatal(0, "%m %t:ERROR, o_b did not match", $time);
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assert (o_c == 64'he85eb23c42183d3d) else $fatal(0, "%m %t:ERROR, o_c did not match", $time);
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assert (o_d == 64'h7111fd8b6445099d) else $fatal(0, "%m %t:ERROR, o_d did not match", $time);
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assert (o_a == 64'hf0c9aa0de38b1b89) else $fatal(1, "%m %t:ERROR, o_a did not match", $time);
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assert (o_b == 64'hbbdf863401fde49b) else $fatal(1, "%m %t:ERROR, o_b did not match", $time);
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assert (o_c == 64'he85eb23c42183d3d) else $fatal(1, "%m %t:ERROR, o_c did not match", $time);
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assert (o_d == 64'h7111fd8b6445099d) else $fatal(1, "%m %t:ERROR, o_d did not match", $time);
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$display("test1 PASSED");
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end
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@ -20,9 +20,9 @@
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module blake2b_top_tb();
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parameter USE_BLAKE2B_PIPE = 0; // This instantiates the pipelined version instead
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parameter USE_BLAKE2B_PIPE_MSG_LEN = 140; // Has to be the maximum of whatever test case
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parameter MSG_VAR_BYTS = USE_BLAKE2B_PIPE_MSG_LEN;
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parameter USE_BLAKE2B_PIPE = 1; // This instantiates the pipelined version instead
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parameter USE_BLAKE2B_PIPE_MSG_LEN = 144; // Has to be the maximum of whatever test case
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parameter MSG_VAR_BM = {USE_BLAKE2B_PIPE_MSG_LEN*8{1'b1}};
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import blake2b_pkg::*;
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import common_pkg::*;
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@ -58,7 +58,7 @@ generate if ( USE_BLAKE2B_PIPE == 0 ) begin: DUT_GEN
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end else begin
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blake2b_pipe_top #(
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.MSG_LEN ( USE_BLAKE2B_PIPE_MSG_LEN ),
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.MSG_VAR_BYTS ( MSG_VAR_BYTS ),
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.MSG_VAR_BM ( MSG_VAR_BM ),
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.CTL_BITS ( 8 )
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)
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DUT (
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@ -150,7 +150,6 @@ endtask
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// Main testbench calls
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initial begin
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i_block.reset_source();
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i_byte_len = 3;
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out_hash.rdy = 1;
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parameters = {32'd0, 8'd1, 8'd1, 8'd0, 8'd64};
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#200ns;
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@ -54,7 +54,7 @@ logic all_checks_done;
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if_axi_stream #(.DAT_BYTS(BLAKE2B_DIGEST_BYTS), .CTL_BYTS(1)) blake2b_out_hash(i_clk);
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if_axi_stream #(.DAT_BYTS(EQUIHASH_BLAKE2B_PIPE == 0 ? 128 : EQUIHASH_GEN_BYTS )) blake2b_in_hash(i_clk);
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if_axi_stream #(.DAT_BYTS(EQUIHASH_GEN_BYTS)) blake2b_in_hash(i_clk);
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// We write the block into a port as it comes in and then read from the b port
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if_ram #(.RAM_WIDTH(DAT_BITS), .RAM_DEPTH(SOL_LIST_BYTS/DAT_BYTS)) equihash_sol_bram_if_a (i_clk, i_rst);
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@ -81,8 +81,8 @@ always_ff @ (posedge i_clk) begin
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equihash_sol_bram_if_a.d <= i_axi.dat;
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if (i_axi.val && i_axi.rdy && ~cblockheader_val) begin
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cblockheader <= {cblockheader, i_axi.dat};
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cblockheader_val <= (cblockheader_byts + DAT_BYTS) >= $bits(cblockheader_t)/8;
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cblockheader[cblockheader_byts*8 +: DAT_BITS] <= i_axi.dat;
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cblockheader_val <= (cblockheader_byts + DAT_BYTS) > $bits(cblockheader_t)/8;
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cblockheader_byts <= cblockheader_byts + DAT_BYTS;
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end
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@ -215,23 +215,14 @@ function hash_solution(input [N-1:0] curr, input [N*INDICIES_PER_HASH-1:0] in);
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return curr;
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endfunction
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// Instantiate the Blake2b block
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generate if ( EQUIHASH_BLAKE2B_PIPE == 0 ) begin: BLAKE2B_GEN
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blake2b_top DUT (
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.i_clk ( i_clk ),
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.i_rst ( i_rst ),
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.i_parameters ( parameters ),
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.i_byte_len ( EQUIHASH_GEN_BYTS ),
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.i_block ( blake2b_in_hash ),
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.o_hash ( blake2b_out_hash )
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);
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end else begin
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// Instantiate the Blake2b block - use high performance pipelined version
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localparam [EQUIHASH_GEN_BYTS*8-1:0] EQUIHASH_GEN_BYTS_BM = {{(EQUIHASH_GEN_BYTS*8-21){1'b0}}, {21{1'b1}}}; // Only lower 21 bits of input to hash change
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blake2b_pipe_top #(
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.MSG_LEN ( EQUIHASH_GEN_BYTS ),
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.MSG_VAR_BYTS ( 4 ), // Only lower 4 bytes of input to hash change
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.MSG_VAR_BM ( EQUIHASH_GEN_BYTS_BM ),
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.CTL_BITS ( 8 )
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)
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DUT (
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blake2b_pipe_top_i (
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.i_clk ( i_clk ),
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.i_rst ( i_rst ),
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.i_parameters ( parameters ),
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@ -239,8 +230,7 @@ end else begin
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.i_block ( blake2b_in_hash ),
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.o_hash ( blake2b_out_hash )
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);
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end
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endgenerate
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// Memory to store the equihash solution as it comes in. We use dual port,
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// one port for writing and one port for reading
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@ -22,7 +22,6 @@ package zcash_verif_pkg;
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// Variables used in the equihash PoW
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parameter [31:0] N = 200;
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parameter [31:0] K = 9;
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parameter EQUIHASH_BLAKE2B_PIPE = 1; // Do we use the pipelined (high performance but large area) Blake2b core
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parameter INDICIES_PER_HASH = (512/N);
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parameter COLLISION_BIT_LEN = N/(K+1);
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parameter BLAKE2B_DIGEST_BYTS = (N*INDICIES_PER_HASH)/8;
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@ -65,7 +65,7 @@ file_to_axi #(
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.FP ( 0 )
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)
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file_to_axi_block241 (
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.i_file ({my_file_path_s, "/../data/block_241.bin"}),
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.i_file ({my_file_path_s, "/../data/block_346.bin"}),
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.i_clk ( clk ),
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.i_rst ( rst ),
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.i_start ( start_241 ),
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@ -82,15 +82,18 @@ DUT (
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.o_mask_val ( mask_val )
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);
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// This is a tests the sample block 241
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task test_block_241();
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// This is a tests the sample block 346 in the block chain
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task test_block_346();
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begin
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$display("Running test_block_241...");
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$display("Running test_block_346...");
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start_241 = 1;
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while(!done_241) @(posedge clk);
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$display("test_block_241 PASSED");
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while(!done_241 && !mask_val) @(posedge clk);
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assert (~(|mask)) else $fatal(1, "%m %t ERROR: test_block_346 mask was non-zero", $time);
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assert (~mask.XOR_FAIL) else $fatal(1, "%m %t ERROR: test_block_346 failed XOR mask check", $time);
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$display("test_block_346 PASSED");
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end
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endtask
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@ -99,7 +102,7 @@ endtask
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initial begin
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#200ns;
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test_block_241();
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test_block_346();
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#10us $finish();
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