From f175b74903524895ba3a9327b5a2b59108a327e7 Mon Sep 17 00:00:00 2001
From: Tobias Platen <tplaten@posteo.de>
Date: Sat, 15 Feb 2020 14:33:39 +0100
Subject: [PATCH] yosys example makefile

---
 Makefile              | 10 ++++++++++
 mk/synthesis-yosys.mk | 22 +++++++++++++---------
 2 files changed, 23 insertions(+), 9 deletions(-)
 create mode 100644 Makefile

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..ddce7be
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,10 @@
+YOSYS_TOP=/tmp/yosys_top
+LIBERTY_FILE=/path/to/alliance-check-toolkit/cells/nsxlib/nsxlib.lib
+
+include mk/synthesis-yosys.mk
+
+top.blif: top.il
+
+clean:
+	rm *.blif
+	rm *.tcl
diff --git a/mk/synthesis-yosys.mk b/mk/synthesis-yosys.mk
index dffe7ed..b044aa1 100644
--- a/mk/synthesis-yosys.mk
+++ b/mk/synthesis-yosys.mk
@@ -1,10 +1,14 @@
 
  $(info Logical synthesis is using Yosys.)
 
- ifeq ($(YOSYS_TOP),)
-   $(error YOSYS_TOP has not been set)
+ #ifeq ($(YOSYS_TOP),)
+ #  $(error YOSYS_TOP has not been set)
+ #endif
+ 
+ ifeq ($(LIBERTY_FILE),)
+  $(error LIBERTY_FILE has not been set)
  endif
-
+ 
  ifeq ($(YOSYS_FLATTEN),)
    YOSYS_FLATTEN = No
  endif
@@ -31,12 +35,12 @@
 %.blif: ./non_generated/%.blif ;  cp $< .
 
 
-%.blif: %.v
+%.blif: %.il
 	 rm -f $*.tcl; \
-	 echo "set ilang_file $*.v"                       >> $*.tcl; \
+	 echo "set ilang_file $*.il"                      >> $*.tcl; \
 	 echo "set ilang_top  $*"                         >> $*.tcl; \
-	 echo "set liberty_file $(LIBERTY_FILE)"            >> $*.tcl; \
-	 echo "yosys read_ilang          \$$ilang_file" >> $*.tcl; \
+	 echo "set liberty_file $(LIBERTY_FILE)"          >> $*.tcl; \
+	 echo "yosys read_ilang          \$$ilang_file"   >> $*.tcl; \
 	 echo "yosys hierarchy -check -top \$$ilang_top"  >> $*.tcl; \
 	 echo "yosys synth            -top \$$ilang_top"  >> $*.tcl; \
 	 if [ "$(YOSYS_FLATTEN)" = "Yes" ]; then                       \
@@ -49,5 +53,5 @@
 	 echo "yosys write_blif $*.blif"                    >> $*.tcl;
 	 yosys -c $*.tcl
 
-$(addsuffix .vst,$(NETLISTS_SYNTH)): $(VLOG_MODULE).blif
-	-@$(call run_if_older,$@,$(VLOG_MODULE).blif,$(call scl_cols,eval `$(CORIOLIS_TOP)/etc/coriolis2/coriolisEnv.py $(DEBUG_OPTION)`; $(BLIF2VST) $(VST_FLAGS) --cell=$(VLOG_MODULE)) )
+#$(addsuffix .vst,$(NETLISTS_SYNTH)): $(VLOG_MODULE).blif
+#	-@$(call run_if_older,$@,$(VLOG_MODULE).blif,$(call scl_cols,eval `$(CORIOLIS_TOP)/etc/coriolis2/coriolisEnv.py $(DEBUG_OPTION)`; $(BLIF2VST) $(VST_FLAGS) --cell=$(VLOG_MODULE)) )
-- 
2.30.2