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authorEddie Hung <eddie@fpgeh.com>2019-08-28 20:58:55 -0700
committerEddie Hung <eddie@fpgeh.com>2019-08-28 20:58:55 -0700
commitc4e53108230c246ecf1b014b11c240b71ed39a8a (patch)
tree3c1c9e59f7868df3364019d15789ce1a32fc1043
parente8e38308689a760b69bd2910a36701b19f64656d (diff)
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Use a dummy box file if none specified
-rw-r--r--passes/techmap/abc9.cc11
-rw-r--r--techlibs/common/Makefile.inc1
-rw-r--r--techlibs/common/dummy.box1
3 files changed, 10 insertions, 3 deletions
diff --git a/passes/techmap/abc9.cc b/passes/techmap/abc9.cc
index 968c68b70..11fe9c4a5 100644
--- a/passes/techmap/abc9.cc
+++ b/passes/techmap/abc9.cc
@@ -1027,9 +1027,6 @@ struct Abc9Pass : public Pass {
}
if (arg == "-box" && argidx+1 < args.size()) {
box_file = args[++argidx];
- rewrite_filename(box_file);
- if (!box_file.empty() && !is_absolute_path(box_file))
- box_file = std::string(pwd) + "/" + box_file;
continue;
}
if (arg == "-W" && argidx+1 < args.size()) {
@@ -1040,6 +1037,14 @@ struct Abc9Pass : public Pass {
}
extra_args(args, argidx, design);
+ // ABC expects a box file for XAIG
+ if (box_file.empty())
+ box_file = "+/dummy.box";
+
+ rewrite_filename(box_file);
+ if (!box_file.empty() && !is_absolute_path(box_file))
+ box_file = std::string(pwd) + "/" + box_file;
+
dict<int,IdString> box_lookup;
for (auto m : design->modules()) {
auto it = m->attributes.find(ID(abc_box_id));
diff --git a/techlibs/common/Makefile.inc b/techlibs/common/Makefile.inc
index 0e05620bc..de94798af 100644
--- a/techlibs/common/Makefile.inc
+++ b/techlibs/common/Makefile.inc
@@ -28,3 +28,4 @@ $(eval $(call add_share_file,share,techlibs/common/dff2ff.v))
$(eval $(call add_share_file,share,techlibs/common/gate2lut.v))
$(eval $(call add_share_file,share,techlibs/common/cmp2lut.v))
$(eval $(call add_share_file,share,techlibs/common/cells.lib))
+$(eval $(call add_share_file,share,techlibs/common/dummy.box))
diff --git a/techlibs/common/dummy.box b/techlibs/common/dummy.box
new file mode 100644
index 000000000..0c18070a0
--- /dev/null
+++ b/techlibs/common/dummy.box
@@ -0,0 +1 @@
+(dummy) 1 0 0 0