diff options
Diffstat (limited to 'rtl/modexpng_io_manager.v')
| -rw-r--r-- | rtl/modexpng_io_manager.v | 28 |
1 files changed, 16 insertions, 12 deletions
diff --git a/rtl/modexpng_io_manager.v b/rtl/modexpng_io_manager.v index 59f4709..da2bdac 100644 --- a/rtl/modexpng_io_manager.v +++ b/rtl/modexpng_io_manager.v @@ -52,8 +52,8 @@ module modexpng_io_manager io_out_addr, io_out_dout, - wrk_narrow_x_din_x_trunc, - wrk_narrow_x_din_y_trunc, + wrk_narrow_x_din_x_lsb, + wrk_narrow_x_din_y_lsb, ladder_steps, ladder_d, @@ -124,8 +124,8 @@ module modexpng_io_manager output [BANK_ADDR_W + OP_ADDR_W -1:0] io_out_addr; output [ WORD_W -1:0] io_out_dout; - output [ WORD_W -1:0] wrk_narrow_x_din_x_trunc; - output [ WORD_W -1:0] wrk_narrow_x_din_y_trunc; + input [ WORD_W -1:0] wrk_narrow_x_din_x_lsb; + input [ WORD_W -1:0] wrk_narrow_x_din_y_lsb; input [ BIT_INDEX_W -1:0] ladder_steps; output ladder_d; @@ -481,7 +481,7 @@ module modexpng_io_manager if (opcode_is_input_narrow && sel_crt_is_x) {narrow_x_din_x, narrow_y_din_x} <= {2{io_in_dout_mux}}; if (opcode_is_input_narrow && sel_crt_is_y) {narrow_x_din_y, narrow_y_din_y} <= {2{io_in_dout_mux}}; // - if (opcode_is_output) out_dout <= sel_crt_is_x ? wrk_narrow_x_din_x_trunc : wrk_narrow_x_din_y_trunc; + if (opcode_is_output) out_dout <= sel_crt_is_x ? wrk_narrow_x_din_x_lsb: wrk_narrow_x_din_y_lsb; // end // @@ -490,7 +490,7 @@ module modexpng_io_manager if (opcode_is_input_narrow && sel_crt_is_x && sel_in_needs_extra) {narrow_x_din_x, narrow_y_din_x} <= {2{io_in_dout_mux}}; if (opcode_is_input_narrow && sel_crt_is_y && sel_in_needs_extra) {narrow_x_din_y, narrow_y_din_y} <= {2{io_in_dout_mux}}; // - if (opcode_is_output) out_dout <= sel_crt_is_x ? wrk_narrow_x_din_x_trunc : wrk_narrow_x_din_y_trunc; + if (opcode_is_output) out_dout <= sel_crt_is_x ? wrk_narrow_x_din_x_lsb : wrk_narrow_x_din_y_lsb; // end // @@ -697,14 +697,18 @@ module modexpng_io_manager // // BEGIN DEBUG // + `ifdef MODEXPNG_ENABLE_DEBUG always @(posedge clk) // - if ((io_fsm_state == IO_FSM_STATE_STOP) && opcode_is_ladder) - $display("[%4d] / %d / %d / %d", ladder_index, ladder_d_r, ladder_p_r, ladder_q_r); - - // - // END DEBUG - // + if (io_fsm_state == IO_FSM_STATE_STOP) 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 + // + `endif endmodule |