diff options
Diffstat (limited to 'rtl/modexpng_mmm_dual.v')
| -rw-r--r-- | rtl/modexpng_mmm_dual.v | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/rtl/modexpng_mmm_dual.v b/rtl/modexpng_mmm_dual.v index 14f1b47..6e52a97 100644 --- a/rtl/modexpng_mmm_dual.v +++ b/rtl/modexpng_mmm_dual.v @@ -8,6 +8,7 @@ module modexpng_mmm_dual word_index_last, word_index_last_minus1, force_unity_b, + only_reduce, sel_wide_in, sel_narrow_in, @@ -72,6 +73,7 @@ module modexpng_mmm_dual input [7:0] word_index_last; input [7:0] word_index_last_minus1; input force_unity_b; + input only_reduce; input [BANK_ADDR_W-1:0] sel_wide_in; input [BANK_ADDR_W-1:0] sel_narrow_in; @@ -120,7 +122,8 @@ module modexpng_mmm_dual // reg [FSM_STATE_WIDTH-1:0] fsm_state = FSM_STATE_IDLE; reg [FSM_STATE_WIDTH-1:0] fsm_state_next; - + + wire [FSM_STATE_WIDTH-1:0] fsm_state_after_idle; wire [FSM_STATE_WIDTH-1:0] fsm_state_after_mult_square; wire [FSM_STATE_WIDTH-1:0] fsm_state_after_mult_triangle; wire [FSM_STATE_WIDTH-1:0] fsm_state_after_mult_rectangle; @@ -905,16 +908,17 @@ module modexpng_mmm_dual // // FSM Transition Logic // + assign fsm_state_after_idle = !only_reduce ? FSM_STATE_MULT_SQUARE_COL_0_INIT : FSM_STATE_MULT_TRIANGLE_COL_0_INIT; assign fsm_state_after_mult_square = col_is_last ? FSM_STATE_MULT_SQUARE_HOLDOFF : FSM_STATE_MULT_SQUARE_COL_N_INIT; assign fsm_state_after_mult_triangle = col_is_last ? FSM_STATE_MULT_TRIANGLE_HOLDOFF : FSM_STATE_MULT_TRIANGLE_COL_N_INIT; - assign fsm_state_after_mult_rectangle = col_is_last ? FSM_STATE_MULT_RECTANGLE_HOLDOFF : FSM_STATE_MULT_RECTANGLE_COL_N_INIT; + assign fsm_state_after_mult_rectangle = col_is_last ? FSM_STATE_MULT_RECTANGLE_HOLDOFF : FSM_STATE_MULT_RECTANGLE_COL_N_INIT; always @* begin // fsm_state_next = FSM_STATE_IDLE; // case (fsm_state) - FSM_STATE_IDLE: fsm_state_next = ena ? FSM_STATE_MULT_SQUARE_COL_0_INIT : FSM_STATE_IDLE; + FSM_STATE_IDLE: fsm_state_next = ena ? fsm_state_after_idle /*FSM_STATE_MULT_SQUARE_COL_0_INIT*/ : FSM_STATE_IDLE; FSM_STATE_MULT_SQUARE_COL_0_INIT: fsm_state_next = FSM_STATE_MULT_SQUARE_COL_0_TRIG ; FSM_STATE_MULT_SQUARE_COL_0_TRIG: fsm_state_next = FSM_STATE_MULT_SQUARE_COL_0_BUSY ; |