From 3291d86ec38031e191ec1e7e5e8ddfa74b77cb7c Mon Sep 17 00:00:00 2001
From: Yann Herklotz <git@yannherklotz.com>
Date: Thu, 24 Nov 2022 18:49:44 +0000
Subject: Squashed 'picorv32/' content from commit f00a88c

git-subtree-dir: picorv32
git-subtree-split: f00a88c36eaab478b64ee27d8162e421049bcc66
---
 dhrystone/Makefile | 69 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 69 insertions(+)
 create mode 100644 dhrystone/Makefile

(limited to 'dhrystone/Makefile')

diff --git a/dhrystone/Makefile b/dhrystone/Makefile
new file mode 100644
index 0000000..89cb110
--- /dev/null
+++ b/dhrystone/Makefile
@@ -0,0 +1,69 @@
+USE_MYSTDLIB = 0
+OBJS = dhry_1.o dhry_2.o stdlib.o
+CFLAGS = -MD -O3 -mabi=ilp32 -march=rv32im -DTIME -DRISCV
+TOOLCHAIN_PREFIX = /opt/riscv32im/bin/riscv32-unknown-elf-
+
+ifeq ($(USE_MYSTDLIB),1)
+CFLAGS += -DUSE_MYSTDLIB -ffreestanding -nostdlib
+OBJS += start.o
+else
+OBJS += syscalls.o
+endif
+
+test: testbench.vvp dhry.hex
+	vvp -N testbench.vvp
+
+test_trace: testbench.vvp dhry.hex
+	vvp -N $< +trace
+	python3 ../showtrace.py testbench.trace dhry.elf > testbench.ins
+
+test_nola: testbench_nola.vvp dhry.hex
+	vvp -N testbench_nola.vvp
+
+timing: timing.txt
+	grep '^##' timing.txt | gawk 'x != "" {print x,$$3-y;} {x=$$2;y=$$3;}' | sort | uniq -c | \
+		gawk '{printf("%03d-%-7s %2d %-8s (%d)\n",$$3,$$2,$$3,$$2,$$1);}' | sort | cut -c13-
+
+timing.txt: timing.vvp dhry.hex
+	vvp -N timing.vvp > timing.txt
+
+testbench.vvp: testbench.v ../picorv32.v
+	iverilog -o testbench.vvp testbench.v ../picorv32.v
+	chmod -x testbench.vvp
+
+testbench_nola.vvp: testbench_nola.v ../picorv32.v
+	iverilog -o testbench_nola.vvp testbench_nola.v ../picorv32.v
+	chmod -x testbench_nola.vvp
+
+timing.vvp: testbench.v ../picorv32.v
+	iverilog -o timing.vvp -DTIMING testbench.v ../picorv32.v
+	chmod -x timing.vvp
+
+dhry.hex: dhry.elf
+	$(TOOLCHAIN_PREFIX)objcopy -O verilog $< $@
+
+ifeq ($(USE_MYSTDLIB),1)
+dhry.elf: $(OBJS) sections.lds
+	$(TOOLCHAIN_PREFIX)gcc $(CFLAGS) -Wl,-Bstatic,-T,sections.lds,-Map,dhry.map,--strip-debug -o $@ $(OBJS) -lgcc
+	chmod -x $@
+else
+dhry.elf: $(OBJS)
+	$(TOOLCHAIN_PREFIX)gcc $(CFLAGS) -Wl,-Bstatic,-T,../firmware/riscv.ld,-Map,dhry.map,--strip-debug -o $@ $(OBJS) -lgcc -lc
+	chmod -x $@
+endif
+
+%.o: %.c
+	$(TOOLCHAIN_PREFIX)gcc -c $(CFLAGS) $<
+
+%.o: %.S
+	$(TOOLCHAIN_PREFIX)gcc -c $(CFLAGS) $<
+
+dhry_1.o dhry_2.o: CFLAGS += -Wno-implicit-int -Wno-implicit-function-declaration
+
+clean:
+	rm -rf *.o *.d dhry.elf dhry.map dhry.bin dhry.hex testbench.vvp testbench.vcd timing.vvp timing.txt testbench_nola.vvp
+
+.PHONY: test clean
+
+-include *.d
+
-- 
cgit