diff options
Diffstat (limited to 'rtl/modexpng_microcode.vh')
| -rw-r--r-- | rtl/modexpng_microcode.vh | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/rtl/modexpng_microcode.vh b/rtl/modexpng_microcode.vh index f68c559..3493e26 100644 --- a/rtl/modexpng_microcode.vh +++ b/rtl/modexpng_microcode.vh @@ -39,8 +39,9 @@ localparam [UOP_OPCODE_W -1:0] UOP_OPCODE_OUTPUT_FROM_NARROW = 5'd3; * source and destination WIDE are don't care */ -localparam [UOP_OPCODE_W -1:0] UOP_OPCODE_COPY_CRT_Y2X = 5'd4; -localparam [UOP_OPCODE_W -1:0] UOP_OPCODE_COPY_LADDERS_X2Y = 5'd5; +localparam [UOP_OPCODE_W -1:0] UOP_OPCODE_COPY_CRT_Y2X = 5'd4; +localparam [UOP_OPCODE_W -1:0] UOP_OPCODE_COPY_LADDERS_X2Y = 5'd5; +localparam [UOP_OPCODE_W -1:0] UOP_OPCODE_CROSS_LADDERS_X2Y = 5'd7; /* CRT is don't care * NPQ specifies the width of the operand * AUX is don't care @@ -53,6 +54,13 @@ localparam [UOP_OPCODE_W -1:0] UOP_OPCODE_MODULAR_MULTIPLY = 5'd8; * AUX = AUX_2 forces B input to 1 (AUX_1 reads from source NARROW as usual) * LADDER specifies Montgomery ladder mode */ +localparam [UOP_OPCODE_W -1:0] UOP_OPCODE_MODULAR_SUBTRACT = 5'd9; +/* CRT is don't care + * NPQ specifies the width of the operand + * AUX is don't care + * LADDER is don't care + */ + localparam [UOP_OPCODE_W -1:0] UOP_OPCODE_MODULAR_REDUCE_INIT = 5'd10; localparam [UOP_OPCODE_W -1:0] UOP_OPCODE_MODULAR_REDUCE_PROC = 5'd11; /* CRT |