diff options
| -rw-r--r-- | src/rtl/trng.v | 28 | ||||
| -rw-r--r-- | src/rtl/trng_csprng.v | 7 | ||||
| -rw-r--r-- | src/rtl/trng_mixer.v | 7 |
3 files changed, 37 insertions, 5 deletions
diff --git a/src/rtl/trng.v b/src/rtl/trng.v index f00aa79..7d0e45d 100644 --- a/src/rtl/trng.v +++ b/src/rtl/trng.v @@ -119,6 +119,8 @@ module trng( reg mixer_api_we; wire [31 : 0] mixer_api_read_data; wire mixer_api_error; + wire [7 : 0] mixer_debug; + reg mixer_debug_update; wire csprng_more_seed; wire csprng_seed_ack; @@ -126,6 +128,8 @@ module trng( reg csprng_api_we; wire [31 : 0] csprng_api_read_data; wire csprng_api_error; + wire [7 : 0] csprng_debug; + reg csprng_debug_update; wire entropy0_entropy_enabled; wire [31 : 0] entropy0_entropy_data; @@ -214,7 +218,10 @@ module trng( .seed_data(mixer_seed_data), .seed_syn(mixer_seed_syn), - .seed_ack(csprng_seed_ack) + .seed_ack(csprng_seed_ack), + + .debug(mixer_debug), + .debug_update(mixer_debug_update) ); trng_csprng csprng( @@ -235,7 +242,10 @@ module trng( .seed_data(mixer_seed_data), .seed_syn(mixer_seed_syn), - .seed_ack(csprng_seed_ack) + .seed_ack(csprng_seed_ack), + + .debug(csprng_debug), + .debug_update(csprng_debug_update) ); avalanche_entropy entropy1( @@ -328,6 +338,8 @@ module trng( begin : debug_mux entropy1_debug_update = 0; entropy2_debug_update = 0; + mixer_debug_update = 0; + csprng_debug_update = 0; tmp_debug = 8'h00; @@ -344,6 +356,18 @@ module trng( tmp_debug = entropy2_debug; end + DEBUG_MIXER: + begin + mixer_debug_update = debug_update; + tmp_debug = mixer_debug; + end + + DEBUG_CSPRNG: + begin + csprng_debug_update = debug_update; + tmp_debug = csprng_debug; + end + default: begin diff --git a/src/rtl/trng_csprng.v b/src/rtl/trng_csprng.v index a6dd247..83c383f 100644 --- a/src/rtl/trng_csprng.v +++ b/src/rtl/trng_csprng.v @@ -178,6 +178,8 @@ module trng_csprng( wire [63 : 0] num_blocks; + wire muxed_rnd_ack; + //---------------------------------------------------------------- // Concurrent connectivity for ports etc. @@ -186,10 +188,11 @@ module trng_csprng( assign error = tmp_error; assign seed_ack = seed_ack_reg; assign more_seed = more_seed_reg; - assign debug = 8'haa; + assign debug = rnd_data[7 : 0]; assign security_error = 0; assign num_blocks = {num_blocks_high_reg, num_blocks_low_reg}; + assign muxed_rnd_ack = rnd_ack | debug_update; //---------------------------------------------------------------- @@ -227,7 +230,7 @@ module trng_csprng( .rnd_syn(rnd_syn), .rnd_data(rnd_data), - .rnd_ack(rnd_ack) + .rnd_ack(muxed_rnd_ack) ); diff --git a/src/rtl/trng_mixer.v b/src/rtl/trng_mixer.v index 7d398f5..d11050c 100644 --- a/src/rtl/trng_mixer.v +++ b/src/rtl/trng_mixer.v @@ -69,7 +69,10 @@ module trng_mixer( output wire [511 : 0] seed_data, output wire seed_syn, - input wire seed_ack + input wire seed_ack, + + output wire [7 : 0] debug, + input wire debug_update ); @@ -246,6 +249,8 @@ module trng_mixer( assign entropy1_ack = tmp_entropy1_ack; assign entropy2_ack = tmp_entropy2_ack; + assign debug = 8'h55; + //---------------------------------------------------------------- // core instantiation. |