From 58f30c1e67b57e26ade0234107fbfb6f17b8af66 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Joachim=20Stro=CC=88mbergson?= Date: Thu, 30 Aug 2018 08:49:22 +0200 Subject: Adding two more pipeline registers in the qr module. Added two more wait cycles. --- src/rtl/chacha_core.v | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) (limited to 'src/rtl/chacha_core.v') diff --git a/src/rtl/chacha_core.v b/src/rtl/chacha_core.v index 32f37f5..6cb1e51 100644 --- a/src/rtl/chacha_core.v +++ b/src/rtl/chacha_core.v @@ -82,8 +82,10 @@ module chacha_core( localparam CTRL_INIT = 3'h1; localparam CTRL_ROUNDS0 = 3'h2; localparam CTRL_ROUNDS1 = 3'h3; - localparam CTRL_FINALIZE = 3'h4; - localparam CTRL_DONE = 3'h5; + localparam CTRL_ROUNDS2 = 3'h4; + localparam CTRL_ROUNDS3 = 3'h5; + localparam CTRL_FINALIZE = 3'h6; + localparam CTRL_DONE = 3'h7; //---------------------------------------------------------------- @@ -665,6 +667,20 @@ module chacha_core( end CTRL_ROUNDS1: + begin + update_state = 1; + chacha_ctrl_new = CTRL_ROUNDS2; + chacha_ctrl_we = 1; + end + + CTRL_ROUNDS2: + begin + update_state = 1; + chacha_ctrl_new = CTRL_ROUNDS3; + chacha_ctrl_we = 1; + end + + CTRL_ROUNDS3: begin state_we = 1; update_state = 1; -- cgit v1.2.3