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-rw-r--r--src/rtl/montprod.v18
1 files changed, 7 insertions, 11 deletions
diff --git a/src/rtl/montprod.v b/src/rtl/montprod.v
index 6d3d865..5957c17 100644
--- a/src/rtl/montprod.v
+++ b/src/rtl/montprod.v
@@ -78,9 +78,8 @@ module montprod(
localparam CTRL_EMIT_S = 4'ha;
localparam SMUX_0 = 2'h0;
- localparam SMUX_ADD_SM = 2'h1;
- localparam SMUX_ADD_SA = 2'h2;
- localparam SMUX_SHR = 2'h3;
+ localparam SMUX_ADD = 2'h1;
+ localparam SMUX_SHR = 2'h2;
//----------------------------------------------------------------
@@ -365,10 +364,7 @@ module montprod(
case (s_mux_reg)
- SMUX_0:
- s_mem_new = 32'h0;
-
- SMUX_ADD_SA:
+ SMUX_ADD:
begin
if (first_iteration_reg)
muxed_s_mem_read_data = 32'h0;
@@ -523,11 +519,13 @@ module montprod(
CTRL_L_CALC_SA:
begin
- s_mux_new = SMUX_ADD_SA;
+ s_mux_new = SMUX_ADD;
if (word_index_reg == 8'h0)
begin
reset_word_index_lsw = 1'b1;
+ first_iteration_new = 1'b0;
+ first_iteration_we = 1'b1;
montprod_ctrl_new = CTRL_L_STALLPIPE_SA;
montprod_ctrl_we = 1'b1;
end
@@ -535,8 +533,6 @@ module montprod(
CTRL_L_STALLPIPE_SA:
begin
- first_iteration_new = 1'b0;
- first_iteration_we = 1'b1;
montprod_ctrl_new = CTRL_L_CALC_SDIV2;
montprod_ctrl_we = 1'b1;
reset_word_index_msw = 1'b1;
@@ -544,7 +540,7 @@ module montprod(
CTRL_L_CALC_SDIV2:
begin
- s_mux_new = SMUX_SHR;
+ s_mux_new = SMUX_SHR;
if (word_index_reg == length_m1)
begin