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Keir Fraser
3b94832bf6
This is required because pin PA10 (rotary select) is reassigned for an Apple2 stepper phase. The regular bootloader is unaware of this and will spuriously enter update mode if the phase signal is low when the Gotek powers on or resets. Thanks to Mauricio Matte for testing.
118 lines
2.5 KiB
Makefile
118 lines
2.5 KiB
Makefile
TOOL_PREFIX = arm-none-eabi-
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CC = $(TOOL_PREFIX)gcc
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OBJCOPY = $(TOOL_PREFIX)objcopy
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LD = $(TOOL_PREFIX)ld
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PYTHON = python3
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ifneq ($(VERBOSE),1)
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TOOL_PREFIX := @$(TOOL_PREFIX)
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endif
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FLAGS = -g -Os -nostdlib -std=gnu99 -iquote $(ROOT)/inc
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FLAGS += -Wall -Werror -Wno-format -Wdeclaration-after-statement
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FLAGS += -Wstrict-prototypes -Wredundant-decls -Wnested-externs
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FLAGS += -fno-common -fno-exceptions -fno-strict-aliasing
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FLAGS += -mlittle-endian -mthumb -mfloat-abi=soft
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FLAGS += -Wno-unused-value -ffunction-sections
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FLAGS += -Wundef
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## STM32F105
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ifeq ($(mcu),stm32f105)
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FLAGS += -mcpu=cortex-m3
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# Build hack for an Apple2-specific bootloader which knows that QFN32 pin
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# PA10 is reassigned.
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ifeq ($(target),apple2-bootloader)
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override target=bootloader
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FLAGS += -DAPPLE2_BOOTLOADER=1
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endif
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ifeq ($(target),bootloader)
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# Debug bootloader doesn't fit in 32kB
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override level=prod
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endif
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## AT32F435
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else ifeq ($(mcu),at32f435)
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FLAGS += -mcpu=cortex-m4
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endif
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MCU_FLAG := -DMCU=MCU_$(mcu)
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$(mcu) := y
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TARGET_FLAG := -DTARGET=TARGET_$(target)
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$(target) := y
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LEVEL_FLAG := -DLEVEL=LEVEL_$(level)
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$(level) := y
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FLAGS += $(MCU_FLAG) $(TARGET_FLAG) $(LEVEL_FLAG)
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FLAGS += -MMD -MF .$(@F).d
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DEPS = .*.d
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FLAGS += $(FLAGS-y)
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CFLAGS += $(CFLAGS-y) $(FLAGS) -include decls.h
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AFLAGS += $(AFLAGS-y) $(FLAGS) -include build_enums.h -D__ASSEMBLY__
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LDFLAGS += $(LDFLAGS-y) $(FLAGS) -Wl,--gc-sections
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SRCDIR := $(shell $(PYTHON) $(ROOT)/scripts/srcdir.py $(CURDIR))
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include $(SRCDIR)/Makefile
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SUBDIRS += $(SUBDIRS-y)
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OBJS += $(OBJS-y) $(OBJS-^n) $(patsubst %,%/build.o,$(SUBDIRS))
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# Force execution of pattern rules (for which PHONY cannot be directly used).
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.PHONY: FORCE
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FORCE:
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.PHONY: clean
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.SECONDARY:
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build.o: $(OBJS)
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$(LD) -r -o $@ $^
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%/build.o: FORCE
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+mkdir -p $*
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$(MAKE) -f $(ROOT)/Rules.mk -C $* build.o
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%.ld: $(SRCDIR)/%.ld.S $(SRCDIR)/Makefile
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@echo CPP $@
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$(CC) -P -E $(AFLAGS) $< -o $@
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%.elf: $(OBJS) %.ld $(SRCDIR)/Makefile
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@echo LD $@
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$(CC) $(LDFLAGS) -T$(*F).ld $(OBJS) -o $@
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chmod a-x $@
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%.hex: %.elf
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@echo OBJCOPY $@
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$(OBJCOPY) -O ihex $< $@
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chmod a-x $@
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$(PYTHON) $(ROOT)/scripts/check_hex.py $@ $(mcu)
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ifneq ($(target),bootloader)
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srec_cat ../bootloader/target.hex -Intel $@ -Intel -o $@ -Intel
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endif
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%.bin: %.elf
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@echo OBJCOPY $@
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$(OBJCOPY) -O binary $< $@
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chmod a-x $@
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%.dfu: %.hex
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$(PYTHON) $(ROOT)/scripts/dfu-convert.py -i $< $@
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%.o: $(SRCDIR)/%.c $(SRCDIR)/Makefile
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@echo CC $@
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$(CC) $(CFLAGS) -c $< -o $@
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%.o: $(SRCDIR)/%.S $(SRCDIR)/Makefile
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@echo AS $@
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$(CC) $(AFLAGS) -c $< -o $@
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-include $(DEPS)
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