Revert "Revert "Make bigsim more bigly again""

bigsim/.gitignore

@@ -2,13 +2,28 @@
 /.start
 /*_cmos.status
 /*_ice40.status
+/*_ice40_abc9.status
 /*_falsify.status
 /*_sim.status
+/*_ecp5.status
+/*_ecp5_abc9.status
+/*_xilinx.status
+/*_xilinx_abc9.status
 /*/work_sim
 /*/work_cmos
 /*/work_ice40
+/*/work_ice40_abc9
 /*/work_falsify
+/*/work_ecp5
+/*/work_ecp5_abc9
+/*/work_xilinx
+/*/work_xilinx_abc9
 /*/.stamp_sim
 /*/.stamp_cmos
 /*/.stamp_ice40
+/*/.stamp_ice40_abc9
 /*/.stamp_falsify
+/*/.stamp_ecp5
+/*/.stamp_ecp5_abc9
+/*/.stamp_xilinx
+/*/.stamp_xilinx_abc9

bigsim/Makefile

@@ -15,19 +15,16 @@ $(1)/.stamp_falsify: $(1)/.stamp_sim
 	bash run.sh $(1) falsify
 	touch $$@
 
-$(1)/.stamp_cmos: $(1)/.stamp_sim
-	bash run.sh $(1) cmos
-	touch $$@
-
-$(1)/.stamp_ice40: $(1)/.stamp_sim
-	bash run.sh $(1) ice40
+$(1)/.stamp_%: $(1)/.stamp_sim
+	bash run.sh $(1) $$*
 	touch $$@
 
 clean::
 	rm -rf $(1)/.stamp_* $(1)/work_*
-	rm -f $(1)_cmos.status $(1)_ice40.status $(1)_falsify.status
+	rm -f $(1)_{cmos,ice40,falsify,ecp5,xilinx}{,_abc9}.status
 endef
 
-$(eval $(call template,navre,cmos ice40))
+$(eval $(call template,navre,cmos ice40 ice40_abc9 ecp5 ecp5_abc9 xilinx xilinx_abc9))
+$(eval $(call template,picorv32,cmos ice40 ice40_abc9 ecp5 ecp5_abc9 xilinx xilinx_abc9))
 
 .PHONY: all clean

bigsim/picorv32/README.md

+PicoRV32 - A Size-Optimized RISC-V CPU
+https://github.com/cliffordwolf/picorv32
+
+https://github.com/cliffordwolf/picorv32/tree/d046cbfa4986acb50ef6b6e5ff58e9cab543980b

bigsim/picorv32/config

+TOP="picorv32_axi"
+RTL="picorv32.v"
+SIM="testbench.v"
+BUGMACRO="PICORV32_TESTBUG_001"
+PRESYN="chparam -set COMPRESSED_ISA 1 -set ENABLE_MUL 1 -set ENABLE_DIV 1 -set ENABLE_IRQ 1 -set ENABLE_TRACE 1 picorv32_axi"
+if [ "$2" == "sim" ]; then
+    SIMARGS="-DCOMPRESSED_ISA=1"
+else
+    SIMARGS="-DSYNTH_TEST"
+fi
+PLUSARGS="+firmware=../sim/firmware.hex"

bigsim/run.sh

@@ -2,12 +2,12 @@
 
 set -x
 source $1/config
-mkdir $1/work_$2
+mkdir -p $1/work_$2
 cd $1/work_$2
 
 touch .start
 
-iverilog_cmd="iverilog -o sim -s testbench -I../rtl -I../sim"
+iverilog_cmd="iverilog -o sim -s testbench -I../rtl -I../sim $SIMARGS"
 
 rtl_files=""
 for fn in $RTL; do
@@ -26,16 +26,36 @@ case "$2" in
 		iverilog_cmd="$iverilog_cmd $rtl_files"
 		;;
 	falsify)
-		iverilog_cmd="$iverilog_cmd -DBUG $rtl_files"
+		iverilog_cmd="$iverilog_cmd -D${BUGMACRO:-BUG} $rtl_files"
 		;;
 	cmos)
-		yosys -ql synthlog.txt -p "synth -top $TOP; abc -g cmos4; write_verilog synth.v" $rtl_files
+		yosys -ql synthlog.txt -p "$PRESYN; synth -top $TOP; abc -g cmos4; write_verilog synth.v" $rtl_files
 		iverilog_cmd="$iverilog_cmd synth.v"
 		;;
 	ice40)
-		yosys -ql synthlog.txt -p "synth_ice40 -top $TOP; write_verilog synth.v" $rtl_files
+		yosys -ql synthlog.txt -p "$PRESYN; synth_ice40 -top $TOP; write_verilog synth.v" $rtl_files
 		iverilog_cmd="$iverilog_cmd synth.v $TECHLIBS_PREFIX/ice40/cells_sim.v"
 		;;
+	ice40_abc9)
+		yosys -ql synthlog.txt -p "$PRESYN; synth_ice40 -abc9 -top $TOP; write_verilog synth.v" $rtl_files
+		iverilog_cmd="$iverilog_cmd synth.v $TECHLIBS_PREFIX/ice40/cells_sim.v"
+		;;
+	ecp5)
+		yosys -ql synthlog.txt -p "$PRESYN; synth_ecp5 -top $TOP; write_verilog synth.v" $rtl_files
+		iverilog_cmd="$iverilog_cmd synth.v $TECHLIBS_PREFIX/ecp5/cells_sim.v"
+		;;
+	ecp5_abc9)
+		yosys -ql synthlog.txt -p "$PRESYN; synth_ecp5 -abc9 -top $TOP; write_verilog synth.v" $rtl_files
+		iverilog_cmd="$iverilog_cmd synth.v $TECHLIBS_PREFIX/ecp5/cells_sim.v"
+		;;
+	xilinx)
+		yosys -ql synthlog.txt -p "$PRESYN; synth_xilinx -top $TOP; write_verilog synth.v" $rtl_files
+		iverilog_cmd="$iverilog_cmd synth.v $TECHLIBS_PREFIX/xilinx/cells_sim.v"
+		;;
+	xilinx_abc9)
+		yosys -ql synthlog.txt -p "$PRESYN; synth_xilinx -abc9 -top $TOP; write_verilog synth.v" $rtl_files
+		iverilog_cmd="$iverilog_cmd synth.v $TECHLIBS_PREFIX/xilinx/cells_sim.v"
+		;;
 	*)
 		exit 1
 		;;
@@ -46,16 +66,15 @@ for fn in $SIM; do
 done
 $iverilog_cmd
 if [ $? != 0 ] ; then
-    echo FAIL > ${1}_${2}.status
-    touch .stamp
-    exit 0
+	echo FAIL > ${1}_${2}.status
+	touch .stamp
+	exit 0
 fi
 
-vvp -N sim | pv -l > output.txt
+vvp -N sim $PLUSARGS | pv -l > output.txt
 if [ $? != 0 ] ; then
     echo FAIL > ${1}_${2}.status
     touch .stamp
-    exit 0
 fi
 
 if [ "$2" = "falsify" ]; then