[Cryptech-Commits] [staging/core/rng/rosc_entropy] 03/11: Adding an enable signal port for any consumers to know that the provider is active.

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paul at psgd.org pushed a commit to branch master
in repository staging/core/rng/rosc_entropy.

commit 1cf378042824e0f3c11229f98e8754947c7d31cc
Author: Joachim Strömbergson <joachim at secworks.se>
Date:   Wed Sep 24 09:54:29 2014 +0200

    Adding an enable signal port for any consumers to know that the provider is active.
---
 src/rtl/rosc_entropy.v | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/rtl/rosc_entropy.v b/src/rtl/rosc_entropy.v
index 32fc3d2..a5fbd5a 100644
--- a/src/rtl/rosc_entropy.v
+++ b/src/rtl/rosc_entropy.v
@@ -47,6 +47,7 @@ module rosc_entropy(
                     output wire [31 : 0] read_data,
                     output wire          error,
 
+                    output wire          entropy_enbled,
                     output wire [31 : 0] entropy_data,
                     output wire          entropy_valid,
                     input wire           entropy_ack,
@@ -117,9 +118,10 @@ module rosc_entropy(
   assign error                = tmp_error;
   assign security_error       = 0;
 
-  assign internal_entropy_ack = api_entropy_ack | entropy_ack;
+  assign entropy_enabled      = en_reg;
   assign entropy_data         = internal_entropy_data;
   assign entropy_data_valid   = internal_entropy_valid;
+  assign internal_entropy_ack = api_entropy_ack | entropy_ack;
 
 
   //----------------------------------------------------------------