diff options
Diffstat (limited to 'rtl/modexpng_io_manager_debug.vh')
| -rw-r--r-- | rtl/modexpng_io_manager_debug.vh | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/rtl/modexpng_io_manager_debug.vh b/rtl/modexpng_io_manager_debug.vh new file mode 100644 index 0000000..593005b --- /dev/null +++ b/rtl/modexpng_io_manager_debug.vh @@ -0,0 +1,41 @@ +//====================================================================== +// +// Copyright (c) 2019, 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. +// +//====================================================================== + +always @(posedge clk) + // + if (io_fsm_state == IO_FSM_STATE_STOP_X) begin + if (opcode_is_ladder_init) begin + $display("[step] | D | P | Q"); + $display("-------+---+---+---"); + end else if (opcode_is_ladder_step) + $display("[%4d] | %d | %d | %d", ladder_index, ladder_d_r, ladder_p_r, ladder_q_r); + end |