diff options
| author | Pavel V. Shatov (Meister) <meisterpaul1@yandex.ru> | 2019-10-21 15:10:44 +0300 |
|---|---|---|
| committer | Pavel V. Shatov (Meister) <meisterpaul1@yandex.ru> | 2019-10-21 15:10:44 +0300 |
| commit | 69b5d9f65cf49adbc1c1850fa2c4757199008717 (patch) | |
| tree | b5be56bf414078bdada930cea0d9f439f374d9e7 /rtl/modexpng_io_manager.v | |
| parent | 72902f5b40ac695786f5103d2a5a456c6c7ee83f (diff) | |
Added support for non-CRT mode. Further refactoring.
Diffstat (limited to 'rtl/modexpng_io_manager.v')
| -rw-r--r-- | rtl/modexpng_io_manager.v | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/rtl/modexpng_io_manager.v b/rtl/modexpng_io_manager.v index da2bdac..5bce191 100644 --- a/rtl/modexpng_io_manager.v +++ b/rtl/modexpng_io_manager.v @@ -53,7 +53,9 @@ module modexpng_io_manager io_out_dout, wrk_narrow_x_din_x_lsb, + wrk_narrow_y_din_x_lsb, wrk_narrow_x_din_y_lsb, + wrk_narrow_y_din_y_lsb, ladder_steps, ladder_d, @@ -125,7 +127,9 @@ module modexpng_io_manager output [ WORD_W -1:0] io_out_dout; input [ WORD_W -1:0] wrk_narrow_x_din_x_lsb; + input [ WORD_W -1:0] wrk_narrow_y_din_x_lsb; input [ WORD_W -1:0] wrk_narrow_x_din_y_lsb; + input [ WORD_W -1:0] wrk_narrow_y_din_y_lsb; input [ BIT_INDEX_W -1:0] ladder_steps; output ladder_d; @@ -457,6 +461,9 @@ module modexpng_io_manager // wire [WORD_EXT_W -1:0] io_in_dout_mux = {{(WORD_EXT_W-WORD_W){1'b0}}, sel_aux_is_1 ? io_in_1_din : io_in_2_din}; + wire [WORD_W -1:0] wrk_narrow_xy_din_x_mux_lsb = sel_aux == UOP_AUX_1 ? wrk_narrow_x_din_x_lsb : wrk_narrow_y_din_x_lsb; + wire [WORD_W -1:0] wrk_narrow_xy_din_y_mux_lsb = sel_aux == UOP_AUX_1 ? wrk_narrow_x_din_y_lsb : wrk_narrow_y_din_y_lsb; + always @(posedge clk) begin // wide_x_din_x <= WORD_EXT_DNC; @@ -476,12 +483,12 @@ module modexpng_io_manager IO_FSM_STATE_EXTRA, IO_FSM_STATE_LATENCY_POST1: begin // - if (opcode_is_input_wide && sel_crt_is_x) {wide_x_din_x, wide_y_din_x} <= {2{io_in_dout_mux}}; // TODO: Make external ports smaller (WORD_W, not WORD_EXT_W)?? + if (opcode_is_input_wide && sel_crt_is_x) {wide_x_din_x, wide_y_din_x} <= {2{io_in_dout_mux}}; if (opcode_is_input_wide && sel_crt_is_y) {wide_x_din_y, wide_y_din_y} <= {2{io_in_dout_mux}}; 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_lsb: wrk_narrow_x_din_y_lsb; + if (opcode_is_output) out_dout <= sel_crt_is_x ? wrk_narrow_xy_din_x_mux_lsb : wrk_narrow_xy_din_y_mux_lsb; // end // @@ -490,7 +497,7 @@ 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_lsb : wrk_narrow_x_din_y_lsb; + if (opcode_is_output) out_dout <= sel_crt_is_x ? wrk_narrow_xy_din_x_mux_lsb : wrk_narrow_xy_din_y_mux_lsb; // end // |