diff --git a/.github/scripts/defaults.sh b/.github/scripts/defaults.sh
index abccdaaf..23461baf 100755
--- a/.github/scripts/defaults.sh
+++ b/.github/scripts/defaults.sh
@@ -50,6 +50,7 @@ mapping["chipyard-hwacha"]=" CONFIG=HwachaRocketConfig"
 mapping["chipyard-gemmini"]=" CONFIG=GemminiRocketConfig"
 mapping["chipyard-cva6"]=" CONFIG=CVA6Config"
 mapping["chipyard-ibex"]=" CONFIG=IbexConfig"
+# currently spi tests are unsupported in verilator w/ circt
 mapping["chipyard-spiflashread"]=" CONFIG=LargeSPIFlashROMRocketConfig"
 mapping["chipyard-spiflashwrite"]=" CONFIG=SmallSPIFlashRocketConfig"
 mapping["chipyard-mmios"]=" CONFIG=MMIORocketConfig verilog"
diff --git a/.github/workflows/chipyard-run-tests.yml b/.github/workflows/chipyard-run-tests.yml
index 0ed26ea6..cdbea373 100644
--- a/.github/workflows/chipyard-run-tests.yml
+++ b/.github/workflows/chipyard-run-tests.yml
@@ -581,51 +581,52 @@ jobs:
           group-key: "group-peripherals"
           project-key: "chipyard-dmirocket"
 
-  chipyard-spiflashwrite-run-tests:
-    name: chipyard-spiflashwrite-run-tests
-    needs: prepare-chipyard-peripherals
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-peripherals"
-          project-key: "chipyard-spiflashwrite"
-
-  chipyard-spiflashread-run-tests:
-    name: chipyard-spiflashread-run-tests
-    needs: prepare-chipyard-peripherals
-    runs-on: self-hosted
-    steps:
-      - name: Delete old checkout
-        run: |
-            ls -alh .
-            rm -rf ${{ github.workspace }}/* || true
-            rm -rf ${{ github.workspace }}/.* || true
-            ls -alh .
-      - name: Checkout
-        uses: actions/checkout@v3
-      - name: Git workaround
-        uses: ./.github/actions/git-workaround
-      - name: Create conda env
-        uses: ./.github/actions/create-conda-env
-      - name: Run tests
-        uses: ./.github/actions/run-tests
-        with:
-          group-key: "group-peripherals"
-          project-key: "chipyard-spiflashread"
+# Unsupported in Verilator due to CIRCT emitting alias for Analog connections
+#  chipyard-spiflashwrite-run-tests:
+#    name: chipyard-spiflashwrite-run-tests
+#    needs: prepare-chipyard-peripherals
+#    runs-on: self-hosted
+#    steps:
+#      - name: Delete old checkout
+#        run: |
+#            ls -alh .
+#            rm -rf ${{ github.workspace }}/* || true
+#            rm -rf ${{ github.workspace }}/.* || true
+#            ls -alh .
+#      - name: Checkout
+#        uses: actions/checkout@v3
+#      - name: Git workaround
+#        uses: ./.github/actions/git-workaround
+#      - name: Create conda env
+#        uses: ./.github/actions/create-conda-env
+#      - name: Run tests
+#        uses: ./.github/actions/run-tests
+#        with:
+#          group-key: "group-peripherals"
+#          project-key: "chipyard-spiflashwrite"
+#
+#  chipyard-spiflashread-run-tests:
+#    name: chipyard-spiflashread-run-tests
+#    needs: prepare-chipyard-peripherals
+#    runs-on: self-hosted
+#    steps:
+#      - name: Delete old checkout
+#        run: |
+#            ls -alh .
+#            rm -rf ${{ github.workspace }}/* || true
+#            rm -rf ${{ github.workspace }}/.* || true
+#            ls -alh .
+#      - name: Checkout
+#        uses: actions/checkout@v3
+#      - name: Git workaround
+#        uses: ./.github/actions/git-workaround
+#      - name: Create conda env
+#        uses: ./.github/actions/create-conda-env
+#      - name: Run tests
+#        uses: ./.github/actions/run-tests
+#        with:
+#          group-key: "group-peripherals"
+#          project-key: "chipyard-spiflashread"
 
   chipyard-lbwif-run-tests:
     name: chipyard-lbwif-run-tests
@@ -1043,9 +1044,7 @@ jobs:
             chipyard-ibex-run-tests,
             chipyard-sodor-run-tests,
             chipyard-dmirocket-run-tests,
-            chipyard-spiflashwrite-run-tests,
             chipyard-fftgenerator-run-tests,
-            chipyard-spiflashread-run-tests,
             chipyard-lbwif-run-tests,
             chipyard-sha3-run-tests,
             chipyard-streaming-fir-run-tests,
diff --git a/common.mk b/common.mk
index fa882068..a81b87db 100644
--- a/common.mk
+++ b/common.mk
@@ -130,7 +130,7 @@ endef
 export firtool_extra_anno_contents
 $(FINAL_ANNO_FILE) $(FIRTOOL_EXTRA_ANNO_FILE): $(ANNO_FILE)
 	echo "$$firtool_extra_anno_contents" > $(FIRTOOL_EXTRA_ANNO_FILE)
-	jq -s '[.[][]]' $(ANNO_FILE) $(FIRTOOL_EXTRA_ANNO_FILE) > $@
+	jq -s '[.[][]]' $(ANNO_FILE) $(FIRTOOL_EXTRA_ANNO_FILE) > $(FINAL_ANNO_FILE)
 
 .PHONY: firrtl
 firrtl: $(FIRRTL_FILE) $(FINAL_ANNO_FILE)
@@ -138,7 +138,7 @@ firrtl: $(FIRRTL_FILE) $(FINAL_ANNO_FILE)
 #########################################################################################
 # create verilog files rules and variables
 #########################################################################################
-CIRCT_TARGETS = $(FIRTOOL_SMEMS_CONF) $(FIRTOOL_MOD_HIER_JSON) $(FIRTOOL_TB_MOD_HIER_JSON) $(FIRTOOL_SMEMS_JSON) $(FIRTOOL_TB_SMEMS_JSON) $(FIRTOOL_FILELIST)
+CIRCT_TARGETS = $(FIRTOOL_SMEMS_CONF) $(FIRTOOL_MOD_HIER_JSON) $(FIRTOOL_TB_MOD_HIER_JSON) $(FIRTOOL_SMEMS_JSON) $(FIRTOOL_TB_SMEMS_JSON) $(FIRTOOL_FILELIST) $(FIRTOOL_BB_MODS_FILELIST)
 
 # DOC include start: FirrtlCompiler
 $(TOP_TARGETS) $(HARNESS_TARGETS) &: $(FIRRTL_FILE) $(ANNO_FILE) $(VLOG_SOURCES)
@@ -171,15 +171,17 @@ $(CIRCT_TARGETS): firrtl_temp
 # hack: lower to middle firrtl if Fixed types are found
 firrtl_temp: $(FIRRTL_FILE) $(FINAL_ANNO_FILE) $(VLOG_SOURCES)
 	$(call run_scala_main,tapeout,barstools.tapeout.transforms.GenerateTop,\
-		--output-file $(SFC_FIRRTL_FILE) \
+		--no-dedup \
+		--output-file $(SFC_FIRRTL_START) \
+		--output-annotation-file $(SFC_ANNO_FILE) \
 		--target-dir $(build_dir) \
 		--input-file $(FIRRTL_FILE) \
 		--annotation-file $(FINAL_ANNO_FILE) \
-		--out-anno-file $(SFC_ANNO_FILE) \
 		--log-level $(FIRRTL_LOGLEVEL) \
 		--allow-unrecognized-annotations \
 		-X $(if $(shell grep "Fixed<" $(FIRRTL_FILE)),middle,none) \
 		$(EXTRA_FIRRTL_OPTIONS))
+	$(if $(shell grep "Fixed<" $(FIRRTL_FILE)),mv $(SFC_FIRRTL_START).mid.fir $(SFC_FIRRTL_FILE),)
 	firtool \
 		--export-module-hierarchy \
 		--emit-metadata \
@@ -200,7 +202,7 @@ firrtl_temp: $(FIRRTL_FILE) $(FINAL_ANNO_FILE) $(VLOG_SOURCES)
 	sed -i 's/.*/& /' $(FIRTOOL_SMEMS_CONF) # need trailing space for SFC macrocompiler
 # DOC include end: FirrtlCompiler
 
-$(TOP_MODS_FILELIST) $(TB_MODS_FILELIST) $(ALL_MODS_FILELIST) &: $(FIRTOOL_TB_MOD_HIER_JSON) $(FIRTOOL_FILELIST)
+$(TOP_MODS_FILELIST) $(TB_MODS_FILELIST) $(ALL_MODS_FILELIST) $(BB_MODS_FILELIST) &: $(FIRTOOL_TB_MOD_HIER_JSON) $(FIRTOOL_FILELIST) $(FIRTOOL_BB_MODS_FILELIST)
 	$(base_dir)/scripts/split-module-files.py \
 		--tb-hier-json $(FIRTOOL_TB_MOD_HIER_JSON) \
 		--dut $(TOP) \
@@ -209,6 +211,8 @@ $(TOP_MODS_FILELIST) $(TB_MODS_FILELIST) $(ALL_MODS_FILELIST) &: $(FIRTOOL_TB_MO
 		--in-all-filelist $(FIRTOOL_FILELIST) \
 		--build-dir $(build_dir)
 	cat $(TOP_MODS_FILELIST) $(TB_MODS_FILELIST) > $(ALL_MODS_FILELIST)
+	sed -i 's/\.\///' $(ALL_MODS_FILELIST)
+	sed -e 's;^;$(build_dir)/;' $(FIRTOOL_BB_MODS_FILELIST) > $(BB_MODS_FILELIST)
 
 $(TOP_SMEMS_CONF) $(HARNESS_SMEMS_CONF) &: $(FIRTOOL_SMEMS_JSON) $(FIRTOOL_TB_SMEMS_JSON) $(FIRTOOL_SMEMS_CONF)
 	$(base_dir)/scripts/split-mems-conf.py \
@@ -230,8 +234,8 @@ $(HARNESS_SMEMS_FILE) $(HARNESS_SMEMS_FIR) &: $(HARNESS_SMEMS_CONF) | $(TOP_SMEM
 ########################################################################################
 # remove duplicate files and headers in list of simulation file inputs
 ########################################################################################
-$(sim_common_files): $(sim_files) $(ALL_MODS_FILELIST) $(TOP_SMEMS_FILE) $(HARNESS_SMEMS_FILE)
-	sort -u $(sim_files) $(ALL_MODS_FILELIST) | grep -v '.*\.\(svh\|h\)$$' > $@
+$(sim_common_files): $(sim_files) $(ALL_MODS_FILELIST) $(BB_MODS_FILELIST) $(TOP_SMEMS_FILE) $(HARNESS_SMEMS_FILE)
+	sort -u $(sim_files) $(ALL_MODS_FILELIST) $(BB_MODS_FILELIST) | grep -v '.*\.\(svh\|h\)$$' > $@
 	echo "$(TOP_SMEMS_FILE)" >> $@
 	echo "$(HARNESS_SMEMS_FILE)" >> $@
 
diff --git a/generators/riscv-sodor b/generators/riscv-sodor
index fc56b712..510dea74 160000
--- a/generators/riscv-sodor
+++ b/generators/riscv-sodor
@@ -1 +1 @@
-Subproject commit fc56b7128f8d5fd3d9022e19ee53c93e0ecfad05
+Subproject commit 510dea7407d8bca5eef18175530ffffa8e0774ce
diff --git a/variables.mk b/variables.mk
index 343a516d..557ee54f 100644
--- a/variables.mk
+++ b/variables.mk
@@ -149,6 +149,7 @@ FIRTOOL_EXTRA_ANNO_FILE ?= $(build_dir)/$(long_name).extrafirtool.anno.json
 FINAL_ANNO_FILE ?= $(build_dir)/$(long_name).appended.anno.json
 
 SFC_FIRRTL_FILE ?= $(build_dir)/$(long_name).sfc.fir
+SFC_FIRRTL_START ?= $(build_dir)/$(long_name).sfc
 SFC_ANNO_FILE ?= $(build_dir)/$(long_name).sfc.anno.json
 
 FIRTOOL_MOD_HIER_JSON ?= $(build_dir)/modulehierarchy.json
@@ -172,6 +173,10 @@ ALL_MODS_FILELIST ?= $(build_dir)/$(long_name).all.f
 TOP_MODS_FILELIST ?= $(build_dir)/$(long_name).top.f
 # tb module files to include (not including top modules)
 TB_MODS_FILELIST ?= $(build_dir)/$(long_name).tb.f
+# list of all blackbox files (may be included in the top/tb.f files)
+FIRTOOL_BB_MODS_FILELIST ?= $(build_dir)/firrtl_black_box_resource_files.f
+# this has the build_dir appended
+BB_MODS_FILELIST ?= $(build_dir)/firrtl_black_box_resource_files.final.f
 
 BOOTROM_FILES   ?= bootrom.rv64.img bootrom.rv32.img
 BOOTROM_TARGETS ?= $(addprefix $(build_dir)/, $(BOOTROM_FILES))