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authorClifford Wolf <clifford@clifford.at>2014-01-17 20:06:15 +0100
committerClifford Wolf <clifford@clifford.at>2014-01-17 20:06:15 +0100
commitdb9cf544b8cf4c303610acc59c21a3dec346af62 (patch)
tree1d2285a4d488c6b8628851bdfd5056fca584c268
parent6170cfe9cddfd0040fa9f7b535d25dd2c99cdb91 (diff)
Added techlibs/common/pmux2mux.v
-rw-r--r--techlibs/common/Makefile.inc6
-rw-r--r--techlibs/common/pmux2mux.v21
2 files changed, 26 insertions, 1 deletions
diff --git a/techlibs/common/Makefile.inc b/techlibs/common/Makefile.inc
index e2e1ba25..6d94d5c9 100644
--- a/techlibs/common/Makefile.inc
+++ b/techlibs/common/Makefile.inc
@@ -5,7 +5,7 @@ techlibs/common/blackbox.v: techlibs/common/blackbox.sed techlibs/common/simlib.
cat techlibs/common/simlib.v techlibs/common/simcells.v | sed -rf techlibs/common/blackbox.sed > techlibs/common/blackbox.v.new
mv techlibs/common/blackbox.v.new techlibs/common/blackbox.v
-EXTRA_TARGETS += share/simlib.v share/simcells.v share/blackbox.v
+EXTRA_TARGETS += share/simlib.v share/simcells.v share/blackbox.v share/pmux2mux.v
share/simlib.v: techlibs/common/simlib.v
mkdir -p share
@@ -19,3 +19,7 @@ share/blackbox.v: techlibs/common/blackbox.v
mkdir -p share
cp techlibs/common/blackbox.v share/blackbox.v
+share/pmux2mux.v: techlibs/common/pmux2mux.v
+ mkdir -p share
+ cp techlibs/common/pmux2mux.v share/pmux2mux.v
+
diff --git a/techlibs/common/pmux2mux.v b/techlibs/common/pmux2mux.v
new file mode 100644
index 00000000..9c97245a
--- /dev/null
+++ b/techlibs/common/pmux2mux.v
@@ -0,0 +1,21 @@
+module \$pmux (A, B, S, Y);
+
+wire [1023:0] _TECHMAP_DO_ = "proc; clean";
+
+parameter WIDTH = 1;
+parameter S_WIDTH = 1;
+
+input [WIDTH-1:0] A;
+input [WIDTH*S_WIDTH-1:0] B;
+input [S_WIDTH-1:0] S;
+output reg [WIDTH-1:0] Y;
+
+integer i;
+
+always @* begin
+ Y <= A;
+ for (i = 0; i < S_WIDTH; i=i+1)
+ if (S[i]) Y <= B[WIDTH*i +: WIDTH];
+end
+
+endmodule