From a8ce939e8e97af15580ccc55cc24333a307a6deb Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Joachim=20Stro=CC=88mbergson?= Date: Tue, 22 May 2018 13:06:00 +0200 Subject: Minor cleanup of states and register sizes. --- src/rtl/aes_encipher_block.v | 22 ++++++++++------------ 1 file changed, 10 insertions(+), 12 deletions(-) (limited to 'src/rtl/aes_encipher_block.v') diff --git a/src/rtl/aes_encipher_block.v b/src/rtl/aes_encipher_block.v index 8cac95f..f98d755 100644 --- a/src/rtl/aes_encipher_block.v +++ b/src/rtl/aes_encipher_block.v @@ -64,16 +64,14 @@ module aes_encipher_block( localparam AES128_ROUNDS = 4'ha; localparam AES256_ROUNDS = 4'he; - localparam NO_UPDATE = 3'h0; - localparam INIT_UPDATE = 3'h1; - localparam MAIN_UPDATE = 3'h2; - localparam FINAL_UPDATE = 3'h3; + localparam NO_UPDATE = 2'h0; + localparam INIT_UPDATE = 2'h1; + localparam MAIN_UPDATE = 2'h2; + localparam FINAL_UPDATE = 2'h3; - localparam CTRL_IDLE = 3'h0; - localparam CTRL_INIT = 3'h1; - localparam CTRL_SBOX = 3'h2; - localparam CTRL_MAIN = 3'h3; - localparam CTRL_FINAL = 3'h4; + localparam CTRL_IDLE = 2'h0; + localparam CTRL_INIT = 2'h1; + localparam CTRL_MAIN = 2'h2; //---------------------------------------------------------------- @@ -169,15 +167,15 @@ module aes_encipher_block( reg ready_new; reg ready_we; - reg [2 : 0] enc_ctrl_reg; - reg [2 : 0] enc_ctrl_new; + reg [1 : 0] enc_ctrl_reg; + reg [1 : 0] enc_ctrl_new; reg enc_ctrl_we; //---------------------------------------------------------------- // Wires. //---------------------------------------------------------------- - reg [2 : 0] update_type; + reg [1 : 0] update_type; reg [31 : 0] sboxw0; reg [31 : 0] sboxw1; -- cgit v1.2.3