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authorEddie Hung <eddieh@ece.ubc.ca>2019-02-06 15:51:12 -0800
committerEddie Hung <eddieh@ece.ubc.ca>2019-02-06 15:51:12 -0800
commite8f4dc739c5cf1129800aaa88df3f7c6f9c99360 (patch)
tree3e596dbfc741fcd4cde58b3d098b94dd8f3f8c78 /techlibs
parent20ca795b87b810063cdcee6e92e3922281f6b092 (diff)
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Cope WIDTH of ff/latch cells is default of zero
Diffstat (limited to 'techlibs')
-rw-r--r--techlibs/common/simlib.v12
1 files changed, 6 insertions, 6 deletions
diff --git a/techlibs/common/simlib.v b/techlibs/common/simlib.v
index 9b6008140..a1e0c1575 100644
--- a/techlibs/common/simlib.v
+++ b/techlibs/common/simlib.v
@@ -1464,7 +1464,7 @@ module \$dff (CLK, D, Q);
parameter WIDTH = 0;
parameter CLK_POLARITY = 1'b1;
-parameter INIT = {WIDTH{1'bx}};
+parameter INIT = {WIDTH > 0 ? WIDTH : 1{1'bx}};
input CLK;
input [WIDTH-1:0] D;
@@ -1484,7 +1484,7 @@ module \$dffe (CLK, EN, D, Q);
parameter WIDTH = 0;
parameter CLK_POLARITY = 1'b1;
parameter EN_POLARITY = 1'b1;
-parameter INIT = {WIDTH{1'bx}};
+parameter INIT = {WIDTH > 0 ? WIDTH : 1{1'bx}};
input CLK, EN;
input [WIDTH-1:0] D;
@@ -1506,7 +1506,7 @@ parameter WIDTH = 0;
parameter CLK_POLARITY = 1'b1;
parameter SET_POLARITY = 1'b1;
parameter CLR_POLARITY = 1'b1;
-parameter INIT = {WIDTH{1'bx}};
+parameter INIT = {WIDTH > 0 ? WIDTH : 1{1'bx}};
input CLK;
input [WIDTH-1:0] SET, CLR, D;
@@ -1540,7 +1540,7 @@ parameter WIDTH = 0;
parameter CLK_POLARITY = 1'b1;
parameter ARST_POLARITY = 1'b1;
parameter ARST_VALUE = 0;
-parameter INIT = {WIDTH{1'bx}};
+parameter INIT = {WIDTH > 0 ? WIDTH : 1{1'bx}};
input CLK, ARST;
input [WIDTH-1:0] D;
@@ -1563,7 +1563,7 @@ module \$dlatch (EN, D, Q);
parameter WIDTH = 0;
parameter EN_POLARITY = 1'b1;
-parameter INIT = {WIDTH{1'bx}};
+parameter INIT = {WIDTH > 0 ? WIDTH : 1{1'bx}};
input EN;
input [WIDTH-1:0] D;
@@ -1585,7 +1585,7 @@ parameter WIDTH = 0;
parameter EN_POLARITY = 1'b1;
parameter SET_POLARITY = 1'b1;
parameter CLR_POLARITY = 1'b1;
-parameter INIT = {WIDTH{1'bx}};
+parameter INIT = {WIDTH > 0 ? WIDTH : 1{1'bx}};
input EN;
input [WIDTH-1:0] SET, CLR, D;