[Cryptech-Commits] [core/platform/common] 01/01: Conditionalize trng so it can be easily excluded.

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paul at psgd.org pushed a commit to branch master
in repository core/platform/common.

commit 75491745d24ce1e2f3b0da94edcea228196777d4
Author: Paul Selkirk <paul at psgd.org>
Date:   Tue Mar 31 16:31:41 2015 -0400

    Conditionalize trng so it can be easily excluded.
---
 core_selector/src/rtl/rng_selector.v | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/core_selector/src/rtl/rng_selector.v b/core_selector/src/rtl/rng_selector.v
index 3a0bd73..0b56684 100644
--- a/core_selector/src/rtl/rng_selector.v
+++ b/core_selector/src/rtl/rng_selector.v
@@ -57,6 +57,10 @@ module rng_selector
    );
 
 
+`define USE_TRNG
+
+`ifdef USE_TRNG
+
    // This is a pass-through to trng.v, which instantiates and muxes the
    // entropy sources, mixer, and csprng.
 
@@ -77,6 +81,13 @@ module rng_selector
       .debug(debug)
       );
 
+`else
+
+   assign sys_read_data = {32{1'b0}};
+   assign debug         = {32{1'b0}};
+
+`endif
+
 endmodule
 
 //======================================================================