From 773ccae5d1cef35397ec007cdb7474fde359783a Mon Sep 17 00:00:00 2001
From: Saurabh Singh <saurabh.s99100@gmail.com>
Date: Sat, 21 Oct 2023 04:37:34 -0400
Subject: [PATCH] synth: update yosys synth flow

---
 synth/yosys/Makefile         | 32 +++++++++++++++++++++++---------
 synth/yosys/synth_xilinx.tcl | 34 ++++++++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+), 9 deletions(-)
 create mode 100644 synth/yosys/synth_xilinx.tcl

diff --git a/synth/yosys/Makefile b/synth/yosys/Makefile
index 3bea0345..0eb90171 100644
--- a/synth/yosys/Makefile
+++ b/synth/yosys/Makefile
@@ -1,6 +1,15 @@
-SCRIPT := synth.tcl
-REPORT := synth_report.txt
-LOG := synth.log
+include ../../common.mk
+
+TIMESTAMP=$(shell date +"%m-%d-%Y_%H-%M-%S")
+COMMITHASH=$(shell git rev-parse --short HEAD)
+REPORT_FILE := synth_$(COMMITHASH)_$(TIMESTAMP).rpt
+LOG_FILE := synth_$(COMMITHASH)_$(TIMESTAMP).log
+
+
+TCL_SCRIPT ?= synth_xilinx.tcl
+TCL_ARGS := ../../rtl/soc/hydrogensoc.F $(REPORT_FILE)
+
+
 
 default: synth
 
@@ -14,13 +23,18 @@ help : Makefile		## show help
 	
 
 .PHONY: synth
-synth:		## synthesize
-	@echo "Running Synthesis..."
-	yosys -c $(SCRIPT) > $(LOG) 2>&1
-	@echo "Generated log: 		$(LOG)"
-	@echo "Generated report: 	$(REPORT)"
+synth:				## synthesize
+	@echo ">> Getting rom hex image.."
+	make -C $(RVATOM)/sw/bootloader soctarget=hydrogensoc
+	cp $(RVATOM)/sw/bootloader/bootloader.hex rom.hex
+
+	@echo ">> Running Synthesis.."
+	yosys -p 'tcl $(TCL_SCRIPT) $(TCL_ARGS)' 2>&1 > $(LOG_FILE)
+
+	@echo "Log: 	$(LOG_FILE)"
+	@echo "Report: 	$(REPORT_FILE)"
 
 
 .PHONY: clean
 clean:				## clean logs and reports
-	rm -f *.log *.txt
\ No newline at end of file
+	rm -f *.log *.rpt *.hex
\ No newline at end of file
diff --git a/synth/yosys/synth_xilinx.tcl b/synth/yosys/synth_xilinx.tcl
new file mode 100644
index 00000000..3ba5e107
--- /dev/null
+++ b/synth/yosys/synth_xilinx.tcl
@@ -0,0 +1,34 @@
+if {[llength $argv] != 2} {
+    puts "Usage: script.tcl <filelist.F> <reportfile>"
+    exit 1
+}
+
+set listfile [lindex $argv 0]
+set reportfile [lindex $argv 1]
+
+# Parse Verilog list file
+source ../utils.tcl
+set listfile_contents [parse_listfile $listfile]
+set vfiles [lindex $listfile_contents 0]
+set incdirs [lindex $listfile_contents 1]
+
+# read verilog files
+set rd_vrlg_flags "-DSYNTHESIS_YOSYS -D__ROM_INIT_FILE__=\"init.hex\""
+foreach dir $incdirs {
+    append rd_vrlg_flags " -I$dir"
+}
+
+foreach file $vfiles {
+    yosys "read_verilog $rd_vrlg_flags $file"
+}
+
+# Heirarchy check
+yosys "hierarchy -check"
+
+# Synthesize
+# set fpga_family xc7
+set fpga_family xc6s
+yosys "synth_xilinx -family $fpga_family"
+
+# Report Utilization
+yosys "tee -a $reportfile stat"