project tests refactoring

tests/runtime/nlTest/Makefile

@@ -0,0 +1,36 @@
+RISCV_TOOLCHAIN_PATH ?= /opt/riscv-gnu-toolchain
+VORTEX_RT_PATH ?= $(realpath ../../../runtime)
+
+CC = $(RISCV_TOOLCHAIN_PATH)/bin/riscv32-unknown-elf-gcc
+AR = $(RISCV_TOOLCHAIN_PATH)/bin/riscv32-unknown-elf-gcc-ar
+DP = $(RISCV_TOOLCHAIN_PATH)/bin/riscv32-unknown-elf-objdump
+CP = $(RISCV_TOOLCHAIN_PATH)/bin/riscv32-unknown-elf-objcopy
+
+CFLAGS += -march=rv32imf -mabi=ilp32f -O3 -Wstack-usage=1024 -ffreestanding -nostartfiles -fdata-sections -ffunction-sections
+CFLAGS += -I$(VORTEX_RT_PATH)/include -I$(VORTEX_RT_PATH)/../hw
+
+LDFLAGS += -lm -Wl,-Bstatic,-T,$(VORTEX_RT_PATH)/linker/vx_link.ld -Wl,--gc-sections $(VORTEX_RT_PATH)/libvortexrt.a
+
+PROJECT = vx_nl_main
+
+SRCS = vx_nl_main.c
+
+all: $(PROJECT).elf $(PROJECT).hex $(PROJECT).dump
+
+$(PROJECT).dump: $(PROJECT).elf
+	$(DP) -D $(PROJECT).elf > $(PROJECT).dump
+
+$(PROJECT).hex: $(PROJECT).elf
+	$(CP) -O ihex $(PROJECT).elf $(PROJECT).hex
+
+$(PROJECT).elf: $(SRCS)
+	$(CC) $(CFLAGS) $(SRCS) $(LDFLAGS) -o $(PROJECT).elf
+
+run: $(PROJECT).hex
+	(cd ../../../hw/simulate/obj_dir && ./VVortex ../../../tests/runtime/nlTest/$(PROJECT).hex)
+
+.depend: $(SRCS)
+	$(CC) $(CFLAGS) -MM $^ > .depend;
+
+clean:
+	rm -rf *.elf *.hex *.dump .depend 

tests/runtime/nlTest/vx_nl_main.c

@@ -0,0 +1,26 @@
+#include <stdio.h>
+#include <math.h>
+#include <vx_print.h>
+
+const int Num = 9;
+const float fNum = 9.0f;
+
+int fibonacci(int n) {
+   if (n <= 1)
+      return n;
+   return fibonacci(n-1) + fibonacci(n-2);
+}
+
+int main() {
+	int fib = fibonacci(Num);
+	float isq = 1.0f / sqrt(fNum);
+	vx_printf("fibonacci(%d) = %d\n", Num, fib);
+	vx_printf("invAqrt(%f) = %f\n", fNum, isq);
+	vx_prints("Passed!\n");
+	return 0;
+}
+
+
+
+
+