Revert "Make bigsim more bigly again"

bigsim/.gitignore

@@ -2,28 +2,13 @@
 /.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

@@ -15,16 +15,19 @@ $(1)/.stamp_falsify: $(1)/.stamp_sim
 	bash run.sh $(1) falsify
 	touch $$@
 
-$(1)/.stamp_%: $(1)/.stamp_sim
-	bash run.sh $(1) $$*
+$(1)/.stamp_cmos: $(1)/.stamp_sim
+	bash run.sh $(1) cmos
+	touch $$@
+
+$(1)/.stamp_ice40: $(1)/.stamp_sim
+	bash run.sh $(1) ice40
 	touch $$@
 
 clean::
 	rm -rf $(1)/.stamp_* $(1)/work_*
-	rm -f $(1)_{cmos,ice40,falsify,ecp5,xilinx}{,_abc9}.status
+	rm -f $(1)_cmos.status $(1)_ice40.status $(1)_falsify.status
 endef
 
-$(eval $(call template,navre,cmos ice40 ice40_abc9 ecp5 ecp5_abc9 xilinx xilinx_abc9))
-$(eval $(call template,picorv32,cmos ice40 ice40_abc9 ecp5 ecp5_abc9 xilinx xilinx_abc9))
+$(eval $(call template,navre,cmos ice40))
 
 .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 -p $1/work_$2
+mkdir $1/work_$2
 cd $1/work_$2
 
 touch .start
 
-iverilog_cmd="iverilog -o sim -s testbench -I../rtl -I../sim $SIMARGS"
+iverilog_cmd="iverilog -o sim -s testbench -I../rtl -I../sim"
 
 rtl_files=""
 for fn in $RTL; do
@@ -26,36 +26,16 @@ case "$2" in
 		iverilog_cmd="$iverilog_cmd $rtl_files"
 		;;
 	falsify)
-		iverilog_cmd="$iverilog_cmd -D${BUGMACRO:-BUG} $rtl_files"
+		iverilog_cmd="$iverilog_cmd -DBUG $rtl_files"
 		;;
 	cmos)
-		yosys -ql synthlog.txt -p "$PRESYN; synth -top $TOP; abc -g cmos4; write_verilog synth.v" $rtl_files
+		yosys -ql synthlog.txt -p "synth -top $TOP; abc -g cmos4; write_verilog synth.v" $rtl_files
 		iverilog_cmd="$iverilog_cmd synth.v"
 		;;
 	ice40)
-		yosys -ql synthlog.txt -p "$PRESYN; synth_ice40 -top $TOP; write_verilog synth.v" $rtl_files
+		yosys -ql synthlog.txt -p "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
 		;;
@@ -66,15 +46,16 @@ 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 $PLUSARGS | pv -l > output.txt
+vvp -N sim | pv -l > output.txt
 if [ $? != 0 ] ; then
     echo FAIL > ${1}_${2}.status
     touch .stamp
+    exit 0
 fi
 
 if [ "$2" = "falsify" ]; then