Started working on the pipelined Montgomery modular multiplier. Currently can

do the "square" part of the multiplication, i.e. compute the twice larger
intermediate product AB = A * B.

1 files changed, 39 insertions, 0 deletions

diff --git a/rtl/modexpng_parameters.vh b/rtl/modexpng_parameters.vh
new file mode 100644
index 0000000..f846119
--- /dev/null
+++ b/rtl/modexpng_parameters.vh
@@ -0,0 +1,39 @@
+//localparam WORD_WIDTH  = 17;
+//localparam MAC_WIDTH   = 47;
+
+//localparam BANK_ADDR_WIDTH = 3; // TODO: Replace everywhere!
+
+localparam [2:0] BANK_FAT_T1T2   = 3'd0;
+localparam [2:0] BANK_FAT_ABL    = 3'd1;
+localparam [2:0] BANK_FAT_ABH    = 3'd2;
+localparam [2:0] BANK_FAT_Q      = 3'd3;
+localparam [2:0] BANK_FAT_Q_EXT  = 3'd4;
+localparam [2:0] BANK_FAT_ML     = 3'd5;
+localparam [2:0] BANK_FAT_MH     = 3'd6;
+localparam [2:0] BANK_FAT_MH_EXT = 3'd7;
+
+localparam [1:0] BANK_SLIM_T1T2        = 2'd0;
+localparam [1:0] BANK_SLIM_N           = 2'd1;
+localparam [1:0] BANK_SLIM_N_COEFF     = 2'd2;
+localparam [1:0] BANK_SLIM_N_COEFF_EXT = 2'd3;
+
+
+//localparam BANK_Y_T2      = 3'd0;
+//localparam BANK_XY_T1T2   = 3'd0;
+
+//localparam BANK_XY_AB_LSB = 3'd1;
+//localparam BANK_XY_AB_MSB = 3'd2;
+
+//localparam BANK_X_N       = 3'd3;
+//localparam BANK_Y_N_COEFF = 3'd3;
+
+//localparam BANK_XY_M      = 3'd4;
+
+//localparam BANK_XY_Q_LSB  = 3'd5;
+//localparam BANK_XY_Q_MSB  = 3'd6;
+
+//localparam BANK_XY_AUX    = 3'd7;
+
+//localparam BANK_XY_ANY    = 3'bXXX;
+
+//localparam BANK_XY_AUX_ADDR_N_COEFF = 0;