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Add XC7_WIRE_DELAY macro to synth_xilinx.cc

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This commit is contained in:
Eddie Hung 2019-06-14 11:38:22 -07:00
parent ba4b4a0088
commit 2e34859a6b
1 changed files with 3 additions and 1 deletions
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4
techlibs/xilinx/synth_xilinx.cc
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@ -25,6 +25,8 @@
USING_YOSYS_NAMESPACE USING_YOSYS_NAMESPACE
PRIVATE_NAMESPACE_BEGIN PRIVATE_NAMESPACE_BEGIN
#define XC7_WIRE_DELAY "160"
struct SynthXilinxPass : public ScriptPass struct SynthXilinxPass : public ScriptPass
{ {
SynthXilinxPass() : ScriptPass("synth_xilinx", "synthesis for Xilinx FPGAs") { } SynthXilinxPass() : ScriptPass("synth_xilinx", "synthesis for Xilinx FPGAs") { }
@ -279,7 +281,7 @@ struct SynthXilinxPass : public ScriptPass
if (check_label("map_luts")) { if (check_label("map_luts")) {
if (abc == "abc9") if (abc == "abc9")
run(abc + " -lut +/xilinx/abc_xc7.lut -box +/xilinx/abc_xc7.box -W 160" + string(retime ? " -dff" : "")); run(abc + " -lut +/xilinx/abc_xc7.lut -box +/xilinx/abc_xc7.box -W " + XC7_WIRE_DELAY + string(retime ? " -dff" : ""));
else if (help_mode) else if (help_mode)
run(abc + " -luts 2:2,3,6:5,10,20 [-dff]"); run(abc + " -luts 2:2,3,6:5,10,20 [-dff]");
else else