switch lsp to clangd and reconstruct project

Makefile

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+######################################################################
+#
+# DESCRIPTION: Verilator Example: Small Makefile
+#
+# This calls the object directory makefile.  That allows the objects to
+# be placed in the "current directory" which simplifies the Makefile.
+#
+# This file ONLY is placed under the Creative Commons Public Domain, for
+# any use, without warranty, 2020 by Wilson Snyder.
+# SPDX-License-Identifier: CC0-1.0
+#
+######################################################################
+# Check for sanity to avoid later confusion
+
+ifneq ($(words $(CURDIR)),1)
+ $(error Unsupported: GNU Make cannot build in directories containing spaces, build elsewhere: '$(CURDIR)')
+endif
+
+######################################################################
+# Set up variables
+
+# If $VERILATOR_ROOT isn't in the environment, we assume it is part of a
+# package install, and verilator is in your path. Otherwise find the
+# binary relative to $VERILATOR_ROOT (such as when inside the git sources).
+ifeq ($(VERILATOR_ROOT),)
+VERILATOR = verilator
+VERILATOR_COVERAGE = verilator_coverage
+else
+export VERILATOR_ROOT
+VERILATOR = $(VERILATOR_ROOT)/bin/verilator
+VERILATOR_COVERAGE = $(VERILATOR_ROOT)/bin/verilator_coverage
+endif
+
+VERILATOR_FLAGS =
+# Generate SystemC in executable form
+VERILATOR_FLAGS += -sc --exe
+# Generate makefile dependencies (not shown as complicates the Makefile)
+#VERILATOR_FLAGS += -MMD
+# Optimize
+VERILATOR_FLAGS += -x-assign fast
+# Warn abount lint issues; may not want this on less solid designs
+VERILATOR_FLAGS += -Wall
+# Make waveforms
+VERILATOR_FLAGS += --trace
+# Check SystemVerilog assertions
+VERILATOR_FLAGS += --assert
+# Enable multithreading
+VERILATOR_FLAGS += --threads 14
+# Generate coverage analysis
+# VERILATOR_FLAGS += --coverage
+# Run Verilator in debug mode
+#VERILATOR_FLAGS += --debug
+# Add this trace to get a backtrace in gdb
+#VERILATOR_FLAGS += --gdbbt
+# Ignore Some Warnings
+VERILATOR_FLAGS += -Wno-WIDTHEXPAND -Wno-UNUSEDSIGNAL -Wno-UNUSEDPARAM
+
+# Specify top module
+TOP_MODULE = isp
+VERILATOR_FLAGS += --top-module $(TOP_MODULE)
+# Input files for Verilator
+# Verilog/SystemVerilog files
+SOURCES := $(wildcard ./rtl/isp.sv ./rtl/Windows.sv ./rtl/Demosaic/*.sv ./rtl/Crop/*.sv ./rtl/Color/*.sv)
+# C/C++ files
+SOURCES += $(wildcard ./src/*.cpp ./src/transform/*.cpp)
+# Exclude files
+EXCLUDES := $(wildcard )
+VERILATOR_INPUT := $(filter-out $(EXCLUDES), $(SOURCES))
+# Check if SC exists via a verilator call (empty if not)
+SYSTEMC_EXISTS := $(shell $(VERILATOR) --get-supported SYSTEMC)
+
+######################################################################
+
+ifneq ($(SYSTEMC_EXISTS),)
+default: build run
+else
+default: nosc
+endif
+
+lint:
+	@echo "-- Verilator lint check ----"
+	$(VERILATOR) -sc --lint-only $(VERILATOR_INPUT)
+
+build:
+	@echo
+	@echo "-- VERILATE ----------------"
+	$(VERILATOR) $(VERILATOR_FLAGS) $(VERILATOR_INPUT)
+
+	@echo
+	@echo "-- COMPILE -----------------"
+# To compile, we can either
+# 1. Pass --build to Verilator by editing VERILATOR_FLAGS above.
+# 2. Or, run the make rules Verilator does:
+#	$(MAKE) -j -C obj_dir -f Vtop.mk
+# 3. Or, call a submakefile where we can override the rules ourselves:
+	$(MAKE) -j -C obj_dir -f V$(TOP_MODULE).mk
+
+run:
+	@echo
+	@echo "-- RUN ---------------------"
+	obj_dir/V$(TOP_MODULE)
+
+# @echo
+# @echo "-- COVERAGE ----------------"
+# @rm -rf logs/annotated
+# $(VERILATOR_COVERAGE) --annotate logs/annotated logs/coverage.dat
+	@echo "-- FINISH ------------------"
+
+trace:
+	@rm -rf logs
+	@mkdir -p logs
+	obj_dir/V$(TOP_MODULE) +trace
+
+	@echo
+	@echo "-- DONE --------------------"
+	@echo "To see waveforms, open vlt_dump.vcd in a waveform viewer"
+	@echo
+
+
+######################################################################
+# Other targets
+
+nosc:
+	@echo
+	@echo "%Skip: SYSTEMC_INCLUDE not in environment"
+	@echo "(If you have SystemC see the README, and rebuild Verilator)"
+	@echo
+
+show-config:
+	$(VERILATOR) -V
+
+maintainer-copy::
+clean mostlyclean distclean maintainer-clean::
+	-rm -rf obj_dir logs *.log *.dmp *.vpd coverage.dat core