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authorFlavian Kaufmann <flavian@flaviankaufmann.ch>2024-04-27 14:27:10 +0200
committerFlavian Kaufmann <flavian@flaviankaufmann.ch>2024-04-27 14:27:10 +0200
commit7addab23add21dcb94bab5525787d1b97b11ce39 (patch)
treec456c909648b19262a9bc73fa3ae6d89f6a424db /Makefile
parente69f80a4e6fb0a52f25d323d25187be0f328edf7 (diff)
downloadriscv_cpu-7addab23add21dcb94bab5525787d1b97b11ce39.tar.gz
riscv_cpu-7addab23add21dcb94bab5525787d1b97b11ce39.zip
simulation
Diffstat (limited to 'Makefile')
-rw-r--r--Makefile18
1 files changed, 17 insertions, 1 deletions
diff --git a/Makefile b/Makefile
index 8a4049e..3714661 100644
--- a/Makefile
+++ b/Makefile
@@ -3,8 +3,10 @@ TOP_MODULE = top
SRC_DIR = src
CONSTRAINTS_DIR = constraints
+SIM_DIR = sim
SOURCES = $(wildcard $(SRC_DIR)/*.v)
+TESTBENCH = $(SIM_DIR)/testbench.v
CONSTRAINTS = $(CONSTRAINTS_DIR)/tangnano9k.cst
BUILD_DIR = build
@@ -14,6 +16,9 @@ YOSYS = yosys
NEXTPNR = nextpnr-gowin
GOWIN_PACK = gowin_pack
PROGRAMMER = openFPGALoader
+IVERILOG = iverilog
+VVP = vvp
+GTKWAVE = gtkwave
FAMILY = GW1N-9C
DEVICE = GW1NR-LV9QN88PC6/I5
@@ -49,8 +54,19 @@ program: $(BITSTREAM)
flash: $(BITSTREAM)
$(PROGRAMMER) -b $(BOARD) -f $(BITSTREAM)
-
clean:
rm -rf $(BUILD_DIR)
+simulate: $(BUILD_DIR)/testbench.vcd
+
+wave: $(BUILD_DIR)/testbench.vcd
+ $(GTKWAVE) $(BUILD_DIR)/testbench.vcd
+
+$(BUILD_DIR)/testbench: $(SOURCES) $(TESTBENCH)
+ @mkdir -p $(BUILD_DIR)
+ $(IVERILOG) -o $(BUILD_DIR)/testbench $(SOURCES) $(TESTBENCH)
+
+$(BUILD_DIR)/testbench.vcd: $(BUILD_DIR)/testbench
+ cd $(BUILD_DIR); $(VVP) testbench
+
.PHONY: all program clean