From c1225cb6c9843e91f3b3dfee294fc1f9309e8212 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Joachim=20Stro=CC=88mbergson?= <joachim@secworks.se>
Date: Sat, 26 May 2018 13:26:20 +0200
Subject: Shaved off another cycle for block processing.
---
src/rtl/aes.v | 15 ++-------------
1 file changed, 2 insertions(+), 13 deletions(-)
(limited to 'src')
diff --git a/src/rtl/aes.v b/src/rtl/aes.v
index 0d719d2..ddee8f0 100644
--- a/src/rtl/aes.v
+++ b/src/rtl/aes.v
@@ -107,10 +107,6 @@ module aes(
reg [31 : 0] key_reg [0 : 7];
reg key_we;
- reg [127 : 0] result_reg;
- reg valid_reg;
- reg ready_reg;
-
//----------------------------------------------------------------
// Wires.
@@ -189,16 +185,9 @@ module aes(
next_reg <= 1'b0;
encdec_reg <= 1'b0;
keylen_reg <= 1'b0;
-
- result_reg <= 128'h0;
- valid_reg <= 1'b0;
- ready_reg <= 1'b0;
end
else
begin
- ready_reg <= core_ready;
- valid_reg <= core_valid;
- result_reg <= core_result;
init_reg <= init_new;
next_reg <= next_new;
@@ -259,7 +248,7 @@ module aes(
ADDR_NAME1: tmp_read_data = CORE_NAME1;
ADDR_VERSION: tmp_read_data = CORE_VERSION;
ADDR_CTRL: tmp_read_data = {28'h0, keylen_reg, encdec_reg, next_reg, init_reg};
- ADDR_STATUS: tmp_read_data = {30'h0, valid_reg, ready_reg};
+ ADDR_STATUS: tmp_read_data = {30'h0, core_valid, core_ready};
default:
begin
@@ -267,7 +256,7 @@ module aes(
endcase // case (address)
if ((address >= ADDR_RESULT0) && (address <= ADDR_RESULT3))
- tmp_read_data = result_reg[(3 - (address - ADDR_RESULT0)) * 32 +: 32];
+ tmp_read_data = core_result[(3 - (address - ADDR_RESULT0)) * 32 +: 32];
end
end
end // addr_decoder
--
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