diff options
| author | Pavel V. Shatov (Meister) <meisterpaul1@yandex.ru> | 2019-10-01 15:01:43 +0300 |
|---|---|---|
| committer | Pavel V. Shatov (Meister) <meisterpaul1@yandex.ru> | 2019-10-01 15:01:43 +0300 |
| commit | 29fb6afd018c601a2e0c7376656d5e37beb565d6 (patch) | |
| tree | dc11ee0c8e5a30113052254be23594da74a8a572 /rtl/modexpng_mmm_fsm.vh | |
| parent | ec07464d239f7f6379a682ac57b58b863d3f0374 (diff) | |
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.
Diffstat (limited to 'rtl/modexpng_mmm_fsm.vh')
| -rw-r--r-- | rtl/modexpng_mmm_fsm.vh | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/rtl/modexpng_mmm_fsm.vh b/rtl/modexpng_mmm_fsm.vh new file mode 100644 index 0000000..c237a0b --- /dev/null +++ b/rtl/modexpng_mmm_fsm.vh @@ -0,0 +1,24 @@ +localparam FSM_STATE_WIDTH = 32; + +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_IDLE = 0; + +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_LOAD_T1T2_1 = 1; +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_LOAD_T1T2_2 = 2; +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_LOAD_T1T2_3 = 3; + +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_LOAD_NN_COEFF_1 = 4; +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_LOAD_NN_COEFF_2 = 5; +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_LOAD_NN_COEFF_3 = 6; + +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_SQUARE_COL_0_INIT = 11; +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_SQUARE_COL_0_TRIG = 12; +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_SQUARE_COL_0_BUSY = 13; + +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_SQUARE_COL_N_INIT = 14; +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_SQUARE_COL_N_TRIG = 15; +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_SQUARE_COL_N_BUSY = 16; + +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_MULT_SQUARE_HOLDOFF = 17; + +localparam [FSM_STATE_WIDTH-1:0] FSM_STATE_STOP = 999; +
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