[Cryptech-Commits] [user/js/keywrap] 01/02: Changed name in API for A words to clarify their meaning. Corrected case order in API logic.

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joachim at secworks.se pushed a commit to branch master
in repository user/js/keywrap.

commit fd6c91994c051744265730d8e88fb0855c5770fa
Author: Joachim Strömbergson <joachim at secworks.se>
AuthorDate: Fri Jun 29 10:00:05 2018 +0200

    Changed name in API for A words to clarify their meaning. Corrected case order in API logic.
---
 src/rtl/keywrap.v | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/rtl/keywrap.v b/src/rtl/keywrap.v
index 41f3bd5..3c3ddc1 100644
--- a/src/rtl/keywrap.v
+++ b/src/rtl/keywrap.v
@@ -74,8 +74,8 @@ module keywrap(
   localparam CTRL_KEYLEN_BIT  = 1;
 
   localparam ADDR_RLEN        = 8'h0c;
-  localparam ADDR_A0          = 8'h0e;
-  localparam ADDR_A1          = 8'h0f;
+  localparam ADDR_A_LSB       = 8'h0e;
+  localparam ADDR_A_MSB       = 8'h0f;
 
   localparam ADDR_KEY0        = 8'h10;
   localparam ADDR_KEY7        = 8'h17;
@@ -265,15 +265,15 @@ module keywrap(
               if (address == ADDR_RLEN)
                 config_we = 1'h1;
 
-              if ((address >= ADDR_KEY0) && (address <= ADDR_KEY7))
-                key_we = 1'h1;
-
-              if (ADDR_A0)
+              if (ADDR_A_LSB)
                 a0_we = 1'h1;
 
-              if (ADDR_A1)
+              if (ADDR_A_MSB)
                 a1_we = 1'h1;
 
+              if ((address >= ADDR_KEY0) && (address <= ADDR_KEY7))
+                key_we = 1'h1;
+
               if (address == ADDR_WRITE_DATA)
                 begin
                   api_cs_new = 1'h1;
@@ -295,16 +295,16 @@ module keywrap(
                   end
               endcase // case (address)
 
-              if (ADDR_A0)
+              if (ADDR_A_LSB)
                 tmp_read_data = core_a_result[31 : 0];
 
-              if (ADDR_A1)
+              if (ADDR_A_MSB)
                 tmp_read_data = core_a_result[63 : 32];
 
               if (address == ADDR_READ_DATA)
                 begin
-                  api_cs_new = 1'h1;
-                  tmp_read_data   = core_api_rd_data;
+                  api_cs_new    = 1'h1;
+                  tmp_read_data = core_api_rd_data;
                 end
             end
         end