Add base code

Makefile

@@ -0,0 +1,44 @@
+CC = arm-none-eabi-gcc
+AS = arm-none-eabi-as
+LD = arm-none-eabi-ld
+CPU = -mcpu=cortex-m4
+THUMB = -mthumb
+
+LDFLAGS = -T linker.ld
+CFLAGS = $(CPU) $(THUMB)
+
+QEMU = qemu-system-arm
+BOARD = netduino2
+
+# Output file
+TARGET = main.elf
+# Source files
+SRCS = os/main.c os/process.c os/scheduler.c os/alloc.c tasks/library.c tasks/tasks.c
+# Object files
+OBJS = $(SRCS:.c=.o)
+
+debug: CFLAGS += -g
+debug: all
+
+run: debug
+	$(QEMU) -M $(BOARD) -nographic -kernel $(TARGET)
+
+gdb: debug
+	$(QEMU) -M $(BOARD) -nographic -kernel $(TARGET) -s -S
+
+# Default target to build the ELF file
+all: $(TARGET)
+
+$(TARGET): $(OBJS) startup.o
+	$(LD) $(LDFLAGS) startup.o $(OBJS) -o $(TARGET)
+
+startup.o: startup.s
+	$(AS) $(CPU) -g startup.s -o startup.o
+
+# Rule to compile source files into object files
+%.o: %.c
+	$(CC) $(CFLAGS) -c $< -o $@
+
+clean:
+	rm -f *.elf *.o *.i
+	rm -f os/*.o tasks/*.o