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| author | Joachim StroĢmbergson <joachim@secworks.se> | 2015-04-01 13:24:51 +0200 |
|---|---|---|
| committer | Joachim StroĢmbergson <joachim@secworks.se> | 2015-04-01 13:24:51 +0200 |
| commit | d9758bce9e4a4078db00b34780ac0d23c8c8ae92 (patch) | |
| tree | d5002042e776bd9ab43bf5d6c6b0393157286b1c | |
| parent | 36fe252deac8c3d1c009b4edb07b2ef568ed33d7 (diff) | |
Cleanup and fixes of calculations.
| -rw-r--r-- | src/rtl/trng_csprng.v | 22 | ||||
| -rw-r--r-- | src/rtl/trng_csprng_fifo.v | 2 |
2 files changed, 12 insertions, 12 deletions
diff --git a/src/rtl/trng_csprng.v b/src/rtl/trng_csprng.v index 79f7afa..e8cdc44 100644 --- a/src/rtl/trng_csprng.v +++ b/src/rtl/trng_csprng.v @@ -81,16 +81,16 @@ module trng_csprng( localparam CIPHER_KEYLEN256 = 1'b1; // 256 bit key. localparam CIPHER_MAX_BLOCKS = 64'h1000000000000000; - localparam CTRL_IDLE = 4'h0; - localparam CTRL_SEED0 = 4'h1; - localparam CTRL_NSYN = 4'h2; - localparam CTRL_SEED1 = 4'h3; - localparam CTRL_INIT0 = 4'h4; - localparam CTRL_INIT1 = 4'h5; - localparam CTRL_NEXT0 = 4'h6; - localparam CTRL_NEXT1 = 4'h7; - localparam CTRL_MORE = 4'h8; - localparam CTRL_CANCE = 4'hf; + localparam CTRL_IDLE = 4'h0; + localparam CTRL_SEED0 = 4'h1; + localparam CTRL_NSYN = 4'h2; + localparam CTRL_SEED1 = 4'h3; + localparam CTRL_INIT0 = 4'h4; + localparam CTRL_INIT1 = 4'h5; + localparam CTRL_NEXT0 = 4'h6; + localparam CTRL_NEXT1 = 4'h7; + localparam CTRL_MORE = 4'h8; + localparam CTRL_CANCEL = 4'hf; localparam DEFAULT_NUM_ROUNDS = 5'h18; localparam DEFAULT_NUM_BLOCKS = 64'h1000000000000000; @@ -260,7 +260,7 @@ module trng_csprng( num_rounds_reg <= DEFAULT_NUM_ROUNDS; num_blocks_low_reg <= DEFAULT_NUM_BLOCKS[31 : 0]; num_blocks_high_reg <= DEFAULT_NUM_BLOCKS[63 : 32]; - tmp_read_data_reg <= 32'h00000000; + read_data_reg <= 32'h00000000; csprng_ctrl_reg <= CTRL_IDLE; end else diff --git a/src/rtl/trng_csprng_fifo.v b/src/rtl/trng_csprng_fifo.v index 70c0e1f..e4abc26 100644 --- a/src/rtl/trng_csprng_fifo.v +++ b/src/rtl/trng_csprng_fifo.v @@ -57,7 +57,7 @@ module trng_csprng_fifo( //---------------------------------------------------------------- localparam FIFO_ADDR_BITS = 2; localparam FIFO_ADDR_MAX = FIFO_ADDR_BITS - 1; - localparam FIFO_MAX = (2 >> FIFO_ADDR_BITS) - 1; + localparam FIFO_MAX = (2 ** FIFO_ADDR_BITS) - 1; localparam WR_IDLE = 0; localparam WR_WAIT = 1; |