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authorAlejandro Soto <alejandro@34project.org>2023-09-25 23:46:34 -0600
committerAlejandro Soto <alejandro@34project.org>2023-09-25 23:46:34 -0600
commit1db38c7cccd74af09109a5161edc95233e75fc74 (patch)
tree8c2e776635286974a630fee28eebc2afcbcc1627 /Makefile
parent9fa82e6621df63335199b7abc0b4ca8acd2f3e03 (diff)
tb: implement coverage reports
Diffstat (limited to '')
-rw-r--r--Makefile33
1 files changed, 28 insertions, 5 deletions
diff --git a/Makefile b/Makefile
index e84867a..a931d93 100644
--- a/Makefile
+++ b/Makefile
@@ -6,16 +6,24 @@ TB_DIR := tb
SIM_DIR := sim
TB_SIM_DIR := $(TB_DIR)/sim
SIM_OBJ_DIR := $(OBJ_DIR)/$(TOP)/sim
-VERILATOR := verilator
+VERILATOR ?= verilator
+GENHTML ?= genhtml
CROSS_CC := $(CROSS_COMPILE)gcc
CROSS_OBJCOPY := $(CROSS_COMPILE)objcopy
CROSS_CFLAGS := -O3 -Wall -Wextra -Werror
CROSS_LDFLAGS :=
+VFLAGS ?= \
+ --x-assign unique --x-initial unique \
+ --threads $(shell nproc) \
+ $(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:
@@ -29,14 +37,29 @@ trace/%: exe/% $(VCD_DIR)/%
$(VCD_DIR)/%:
mkdir -p $@
-sim: $(patsubst $(TB_SIM_DIR)/%.py,sim/%,$(wildcard $(TB_SIM_DIR)/*.py))
+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
+ @$< $(TB_SIM_DIR)/$*.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) u-boot/build/taller/u-boot-dtb.bin
+ifndef DISABLE_COV
+cov: $(OBJ_DIR)/$(TOP)/cov.info
+ @rm -rf $@
+ $(GENHTML) $< --output-dir=$@
+
+cov/%: $(SIM_OBJ_DIR)/%.cov
+
+$(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
+
$(SIM_OBJ_DIR)/%.bin: $(SIM_OBJ_DIR)/%
$(CROSS_OBJCOPY) -O binary --only-section=._img $< $@
@@ -60,7 +83,7 @@ exe: exe/$(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
+.PRECIOUS: $(SIM_OBJ_DIR)/% $(SIM_OBJ_DIR)/%.o $(SIM_OBJ_DIR)/%.bin $(SIM_OBJ_DIR)/%.cov
.SECONDEXPANSION:
$(OBJ_DIR)/%.mk: \
@@ -74,4 +97,4 @@ $(OBJ_DIR)/%.mk: \
$(VERILATOR) \
-O3 --cc --exe --trace -y $(RTL_DIR) --Mdir $(dir $@) \
--top $(word 1,$(subst /, ,$*)) $(patsubst tb/%,../tb/%,$^) \
- --x-assign unique --x-initial unique --threads $(shell nproc)
+ $(VFLAGS)