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|
TOP := conspiracion
VCD_DIR := vcd
OBJ_DIR := obj
COV_DIR := cov
RTL_DIR := rtl
TB_DIR := tb
SIM_DIR := sim
DEMO_DIR := demo
TB_SIM_DIR := $(TB_DIR)/sim
SIM_OBJ_DIR := $(OBJ_DIR)/$(TOP)/sim
DEMO_OBJ_DIR := $(OBJ_DIR)/$(TOP)/demo
VERILATOR ?= verilator
GENHTML ?= genhtml
CROSS_CC := $(CROSS_COMPILE)gcc
CROSS_OBJCOPY := $(CROSS_COMPILE)objcopy
CROSS_CFLAGS := -O3 -Wall -Wextra -Werror
CROSS_LDFLAGS :=
ifdef FASTER_IS_BETTER
DISABLE_COV := 1
DISABLE_RAND := 1
DISABLE_TRACE := 1
CXXFLAGS += -O3 -flto
LDFLAGS += -O3 -flto
endif
export CXXFLAGS LDFLAGS
X_MODE := $(if $(DISABLE_RAND),fast,unique)
CC_CPU := -mcpu=arm810
VFLAGS ?= \
--x-assign $(X_MODE) --x-initial $(X_MODE) \
$(if $(DISABLE_THREADS),,--threads $(shell nproc)) \
$(if $(DISABLE_TRACE),,--trace) \
$(if $(DISABLE_COV),,--coverage)
RTL_FILES = $(shell find $(RTL_DIR)/ ! -path '$(RTL_DIR)/top/*' -type f -name '*.sv')
RTL_FILES += $(shell find $(TB_DIR)/ ! -path '$(TB_DIR)/top/*' -type f -name '*.sv')
TB_FILES = $(shell find $(TB_DIR)/ ! -path '$(TB_DIR)/top/*' -type f -name '*.cpp')
SIMS := $(patsubst $(TB_SIM_DIR)/%.py,%,$(wildcard $(TB_SIM_DIR)/*.py))
all: sim
clean:
rm -rf $(OBJ_DIR) $(VCD_DIR) $(COV_DIR)
trace: trace/$(TOP)
trace/%: exe/% $(VCD_DIR)/%
cd $(VCD_DIR)/$* && ../../$(OBJ_DIR)/$*/V$*
$(VCD_DIR)/%:
mkdir -p $@
sim: $(addprefix sim/,$(SIMS))
sim/%: $(SIM_DIR)/sim.py $(TB_SIM_DIR)/%.py exe/$(TOP) $(SIM_OBJ_DIR)/%.bin
@$< $(TB_SIM_DIR)/$*.py $(OBJ_DIR)/$(TOP)/V$(TOP) \
$(SIM_OBJ_DIR)/$*.bin \
$(if $(DISABLE_COV),,$(SIM_OBJ_DIR)/$*.cov)
vmlaunch: $(SIM_DIR)/sim.py $(SIM_DIR)/gdbstub.py exe/$(TOP)
@$< $(SIM_DIR)/gdbstub.py $(OBJ_DIR)/$(TOP)/V$(TOP) build/u-boot.bin
demo: $(SIM_DIR)/sim.py $(SIM_DIR)/gdbstub.py exe/$(TOP) $(DEMO_OBJ_DIR)/demo.bin
@$< $(SIM_DIR)/gdbstub.py $(OBJ_DIR)/$(TOP)/V$(TOP) $(DEMO_OBJ_DIR)/demo.bin
ifndef DISABLE_COV
$(COV_DIR): $(OBJ_DIR)/$(TOP)/cov.info
@rm -rf $@
$(GENHTML) $< --output-dir=$@
$(COV_DIR)/%: $(SIM_OBJ_DIR)/%.cov
$(SIM_OBJ_DIR)/%.cov: sim/%
$(OBJ_DIR)/$(TOP)/cov.info: $(patsubst %,$(SIM_OBJ_DIR)/%.cov,$(SIMS))
$(VERILATOR)_coverage -write-info $@ $(SIM_OBJ_DIR)/*.cov
endif
%.bin: %
$(CROSS_OBJCOPY) -O binary --only-section=._img $< $@
$(SIM_OBJ_DIR)/%: $(SIM_OBJ_DIR)/%.o $(SIM_OBJ_DIR)/start.o
$(CROSS_CC) $(CROSS_LDFLAGS) -o $@ -g -T $(SIM_DIR)/link.ld -nostartfiles -nostdlib $^
$(OBJ_DIR)/%.bin: $(SIM_OBJ_DIR)/%
$(CROSS_OBJCOPY) -O binary --only-section=._img $< $@
$(DEMO_OBJ_DIR)/demo: $(DEMO_DIR)/link.ld $(patsubst $(DEMO_DIR)/%,$(DEMO_OBJ_DIR)/%.o,\
$(basename $(wildcard $(DEMO_DIR)/*.c) $(wildcard $(DEMO_DIR)/*.S)))
$(CROSS_CC) $(CROSS_LDFLAGS) -o $@ -g -nostartfiles -nostdlib -T $^
$(DEMO_OBJ_DIR)/%.o: $(DEMO_DIR)/%.c $(wildcard $(DEMO_DIR)/*.h)
@mkdir -p $(DEMO_OBJ_DIR)
$(CROSS_CC) $(CROSS_CFLAGS) -o $@ -g -c $< $(CC_CPU)
$(DEMO_OBJ_DIR)/%.o: $(DEMO_DIR)/%.S
@mkdir -p $(DEMO_OBJ_DIR)
$(CROSS_CC) $(CROSS_CFLAGS) -o $@ -g -c $<
$(SIM_OBJ_DIR)/%.o: $(TB_SIM_DIR)/%.c
@mkdir -p $(SIM_OBJ_DIR)
$(CROSS_CC) $(CROSS_CFLAGS) -o $@ -g -c $< $(CC_CPU)
$(SIM_OBJ_DIR)/%.o: $(TB_SIM_DIR)/%.S
@mkdir -p $(SIM_OBJ_DIR)
$(CROSS_CC) $(CROSS_CFLAGS) -o $@ -g -c $<
$(SIM_OBJ_DIR)/%.o: $(SIM_DIR)/%.S
@mkdir -p $(SIM_OBJ_DIR)
$(CROSS_CC) $(CROSS_CFLAGS) -o $@ -g -c $<
exe: exe/$(TOP)
exe/%: $(OBJ_DIR)/%/V%.mk
$(MAKE) -C $(OBJ_DIR)/$* -f V$*.mk
.PRECIOUS: $(SIM_OBJ_DIR)/% $(SIM_OBJ_DIR)/%.o $(SIM_OBJ_DIR)/%.bin $(SIM_OBJ_DIR)/%.cov
.SECONDEXPANSION:
$(OBJ_DIR)/%.mk: \
$(RTL_DIR)/top/$$(word 1,$$(subst /, ,$$*)).sv \
$$(shell find $(RTL_DIR)/top/$$(dir $$*) -type f -name '*.sv' 2>/dev/null) \
$$(shell find $(TB_DIR)/top/$$(dir $$*) -type f -name '*.sv' 2>/dev/null) \
$(RTL_FILES) $(TB_FILES) $(TB_DIR)/top/$$(word 1,$$(subst /, ,$$*)).cpp \
$$(shell find $(TB_DIR)/top/$$(dir $$*) -type f -name '*.cpp' 2>/dev/null)
mkdir -p $(dir $@)
$(VERILATOR) \
-O3 --cc --exe -y $(RTL_DIR) --Mdir $(dir $@) \
--top $(word 1,$(subst /, ,$*)) $(patsubst tb/%,../tb/%,$^) \
$(VFLAGS)
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