diff options
Diffstat (limited to 'rtl/modexpng_core_top.v')
| -rw-r--r-- | rtl/modexpng_core_top.v | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/rtl/modexpng_core_top.v b/rtl/modexpng_core_top.v index c78a969..dea7f0a 100644 --- a/rtl/modexpng_core_top.v +++ b/rtl/modexpng_core_top.v @@ -87,7 +87,9 @@ module modexpng_core_top wire uop_opcode_is_wrk = (uop_data_opcode == UOP_OPCODE_PROPAGATE_CARRIES ) || (uop_data_opcode == UOP_OPCODE_COPY_CRT_Y2X ) || (uop_data_opcode == UOP_OPCODE_MODULAR_REDUCE_INIT ) || - (uop_data_opcode == UOP_OPCODE_COPY_LADDERS_X2Y ) ; + (uop_data_opcode == UOP_OPCODE_COPY_LADDERS_X2Y ) || + (uop_data_opcode == UOP_OPCODE_CROSS_LADDERS_X2Y ) || + (uop_data_opcode == UOP_OPCODE_MODULAR_SUBTRACT ) ; wire uop_loop_now; @@ -1113,8 +1115,15 @@ module modexpng_core_top wrk_sel_narrow_out <= uop_data_sel_narrow_out; end // + UOP_OPCODE_MODULAR_SUBTRACT: begin + wrk_sel_wide_out <= uop_data_sel_wide_out; + wrk_sel_narrow_in <= uop_data_sel_narrow_in; + wrk_sel_narrow_out <= uop_data_sel_narrow_out; + end + // UOP_OPCODE_COPY_CRT_Y2X, - UOP_OPCODE_COPY_LADDERS_X2Y: begin + UOP_OPCODE_COPY_LADDERS_X2Y, + UOP_OPCODE_CROSS_LADDERS_X2Y: begin wrk_sel_wide_in <= uop_data_sel_wide_in; wrk_sel_wide_out <= uop_data_sel_wide_out; wrk_sel_narrow_in <= uop_data_sel_narrow_in; @@ -1157,7 +1166,8 @@ module modexpng_core_top // UOP_OPCODE_PROPAGATE_CARRIES, UOP_OPCODE_COPY_CRT_Y2X, - UOP_OPCODE_COPY_LADDERS_X2Y: + UOP_OPCODE_COPY_LADDERS_X2Y, + UOP_OPCODE_CROSS_LADDERS_X2Y: wrk_word_index_last <= uop_npq_is_n ? word_index_last_n : word_index_last_pq; // UOP_OPCODE_MODULAR_REDUCE_INIT: begin @@ -1171,6 +1181,10 @@ module modexpng_core_top {rdct_word_index_last_x, rdct_word_index_last_y } <= {2{word_index_last_pq }}; end // + UOP_OPCODE_MODULAR_SUBTRACT: begin + wrk_word_index_last <= uop_npq_is_n ? word_index_last_n : word_index_last_pq; + end + // UOP_OPCODE_LADDER_INIT: begin io_mgr_word_index_last <= OP_ADDR_LADDER_LAST; io_mgr_ladder_steps <= crt_mode ? bit_index_last_pq : bit_index_last_n; |