+# Copyright 2019 - Robin Krens
+#
+# TODO: Somehow integrate this assembly start.asm (start.o)
+#
+
+# Cross compilers links
CC=arm-none-eabi-gcc
LD=arm-none-eabi-ld
-AR=$(TOOLROOT)/arm-none-eabi-ar
AS=arm-none-eabi-as
MKIMG=arm-none-eabi-objcopy
-LDFLAGS+= -mthumb -mcpu=cortex-m0
-CFLAGS+= -mcpu=cortex-m3 -mthumb -g
+# Compiler flags
+LDFLAGS+= -mthumb -mcpu=cortex-m3
+ASFLAGS+= -mcpu=cortex-m3 -mthumb
+CFLAGS+= -mcpu=cortex-m3 -mthumb -ffreestanding
+#CFLAGS+= -mcpu=cortex-m3 -mthumb -g -ffreestanding
+
+# Include directory
+INCLUDE+= -Iinclude
+
+BIN = bin
+
+ODIR = obj
+_OBJ = ivt.o systick.o sysinfo.o term.o main.o clock.o rtc.o heap.o syscall.o
+OBJ = $(patsubst %, $(ODIR)/%,$(_OBJ))
+
+DDIR = obj/drivers
+_DRIVERS = uart.o tm1637.o led.o tsensor.o at24c.o mk450_joystick.o st7735s.o
+DRIVERS = $(patsubst %, $(DDIR)/%,$(_DRIVERS))
+
+LDIR = obj/lib
+_LIBS = string.o stdio.o regfunc.o pool.o tinyprintf.o syscall.o
+LIBS = $(patsubst %, $(LDIR)/%,$(_LIBS))
+
+$(DDIR)/%.o: drivers/%.c
+ @mkdir -p $(@D)
+ $(CC) -c $< $(CFLAGS) $(INCLUDE) -o $@
+$(ODIR)/%.o: %.c
+ @mkdir -p $(@D)
+ $(CC) -c $< $(CFLAGS) -I./include -o $@
+
+$(LDIR)/%.o: lib/%.c
+ @mkdir -p $(@D)
+ $(CC) -c $< $(CFLAGS) -I./include -o $@
+
+# Start up machine assembly
as:
- $(AS) $(CFLAGS) -o start.o start.asm
-
-all:
- $(AS) $(CFLAGS) -o start.o start.asm
- $(CC) $(CFLAGS) -c -I./include -ffreestanding -o main.o main.c
- $(CC) $(CFLAGS) -c -I./include -ffreestanding -o uart.o uart.c
- $(CC) $(CFLAGS) -c -I./include -ffreestanding -o ivt.o ivt.c
- $(CC) $(CFLAGS) -c -I./include -ffreestanding -o systick.o systick.c
- $(CC) $(CFLAGS) -c -I./include -ffreestanding -o sysinfo.o sysinfo.c
- $(CC) $(CFLAGS) -c -I./include -ffreestanding -o lib.o lib.c
- $(CC) $(CFLAGS) -c -I./include -ffreestanding -o mm.o mm.c
- $(CC) $(CFLAGS) -c -I./include -ffreestanding -o regf.o regf.c
- $(LD) -nostartfiles -T link.ld -o start.out start.o main.o uart.o ivt.o systick.o sysinfo.o lib.o mm.o regf.o
- $(MKIMG) -Obinary -R .data start.out kernel.bin
+ $(AS) $(ASFLAGS) -o start.o start.asm
+
+# Compile and link all
+kernel: $(OBJ) $(DRIVERS) $(LIBS)
+ $(AS) $(ASFLAGS) -o start.o start.asm
+ $(LD) -nostartfiles -Map $(BIN)/$@.MAP -T link.ld -o $(BIN)/$@.ELF start.o $^ --print-memory-usage
+ @echo "Creating binary..."
+ @mkdir -p $(BIN)
+ $(MKIMG) -Obinary $(BIN)/$@.ELF $(BIN)/$@.bin
+# Run in Qemu; note this is a patched version for stm32-f103c8
run:
- /usr/local/bin/qemu-system-arm -serial stdio -M stm32-f103c8 -kernel kernel.bin
+ /usr/local/bin/qemu-system-arm -monitor stdio -serial stdio -M stm32-f103c8 -kernel $(BIN)/kernel.bin
+
+# Examine all sections
+examine-all:
+ arm-none-eabi-objdump -D $(BIN)/kernel.ELF | less
+
+# Examine just headers
+examine-header:
+ arm-none-eabi-objdump -x $(BIN)/kernel.ELF | less
+
+# Flash kernel to board
+flash:
+ stm32flash -w $(BIN)/kernel.bin -v /dev/ttyUSB0
-examine:
- arm-none-eabi-objdump -S start.out
+.PHONY: clean
-%.o: %.c
- $(CC) -c $(CFLAGS) $< -o $@
- $(CC) -MM $(CFLAGS) $< > $*.d
+clean:
+ rm -rf $(ODIR)/* start.o $(BIN)/kernel.*
-%.o: %.s
- $(CC) -c $(CFLAGS) $< -o $@
+# Altijd handig deze template
+#%.o: %.c
+# $(CC) -c $(CFLAGS) $< -o $@
+# $(CC) -MM $(CFLAGS) $< > $*.d
+#
+#%.o: %.s
+# $(CC) -c $(CFLAGS) $< -o $@