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TOP := conspiracion
VCD_DIR := vcd
OBJ_DIR := obj
RTL_DIR := rtl
TB_DIR := tb
SIM_DIR := $(TB_DIR)/sim
SIM_OBJ_DIR := $(OBJ_DIR)/$(TOP)/sim
VERILATOR := verilator
CROSS_CC := arm-none-eabi-gcc
CROSS_OBJCOPY := arm-none-eabi-objcopy
CROSS_CFLAGS := -O3 -Wall -Wextra -Werror
CROSS_LDFLAGS :=
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')
all: sim
clean:
rm -rf $(OBJ_DIR) $(VCD_DIR)
trace: trace/$(TOP)
trace/%: exe/% $(VCD_DIR)/%
cd $(VCD_DIR)/$* && ../../$(OBJ_DIR)/$*/V$*
$(VCD_DIR)/%:
mkdir -p $@
sim: $(patsubst $(SIM_DIR)/%.py,sim/%,$(filter-out $(SIM_DIR)/sim.py,$(wildcard $(SIM_DIR)/*.py)))
sim/%: $(SIM_DIR)/sim.py $(SIM_DIR)/%.py exe/$(TOP) $(SIM_OBJ_DIR)/%.bin
@$< $(SIM_DIR)/$*.py $(OBJ_DIR)/$(TOP)/V$(TOP) $(SIM_OBJ_DIR)/$*.bin
$(SIM_OBJ_DIR)/%.bin: $(SIM_OBJ_DIR)/%
$(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 $^
$(SIM_OBJ_DIR)/%.o: $(SIM_DIR)/%.c
@mkdir -p $(SIM_OBJ_DIR)
$(CROSS_CC) $(CROSS_CFLAGS) -o $@ -g -c $< -mcpu=arm810
$(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
.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) --cc --exe --trace -y $(RTL_DIR) --Mdir $(dir $@) --top $(word 1,$(subst /, ,$*)) $(patsubst tb/%,../tb/%,$^)
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