58 lines
1.7 KiB
Makefile
58 lines
1.7 KiB
Makefile
include ../py/mkenv.mk
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-include mpconfigport.mk
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# qstr definitions (must come before including py.mk)
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QSTR_DEFS = qstrdefsport.h
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# include py core make definitions
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include ../py/py.mk
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CROSS_COMPILE = arm-none-eabi-
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INC = -I.
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INC += -I$(PY_SRC)
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INC += -I$(BUILD)
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CFLAGS_CORTEX_M3 = -mthumb -mcpu=cortex-m3
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CFLAGS = $(INC) -Wall -Werror -ansi -std=gnu99 $(CFLAGS_CORTEX_M3) $(COPT) \
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-flto -ffunction-sections -fdata-sections
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#Debugging/Optimization
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ifeq ($(DEBUG), 1)
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CFLAGS += -g -DPENDSV_DEBUG
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COPT = -O0
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else
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COPT += -Os -DNDEBUG
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endif
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## With CoudeSourcery it's actually a little different, you just need `-T generic-m-hosted.ld`.
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## Although for some reason `$(LD)` will not find that linker script, it works with `$(CC)`.
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## It turns out that this is specific to CoudeSourcery, and ARM version of GCC ships something
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## else instead and according to the following files, this is what we need to pass to `$(CC).
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## - gcc-arm-none-eabi-4_8-2014q1/share/gcc-arm-none-eabi/samples/src/makefile.conf
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## - gcc-arm-none-eabi-4_8-2014q1/share/gcc-arm-none-eabi/samples/src/qemu/Makefile
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LDFLAGS= --specs=nano.specs --specs=rdimon.specs -Wl,--gc-sections -Wl,-Map=$(@:.elf=.map)
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SRC_C = \
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main.c \
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SRC_S = \
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OBJ =
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OBJ += $(PY_O)
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OBJ += $(addprefix $(BUILD)/, $(SRC_C:.c=.o))
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OBJ += $(addprefix $(BUILD)/, $(SRC_S:.s=.o))
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all: run
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run: $(BUILD)/flash.elf
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qemu-system-arm -cpu cortex-m3 -nographic -monitor null -serial null -semihosting -kernel $(BUILD)/flash.elf
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## `$(LD)` doesn't seem to like `--specs` for some reason, but we can just use `$(CC)` here.
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$(BUILD)/flash.elf: $(OBJ)
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$(Q)$(CC) $(CFLAGS) $(LDFLAGS) -o $@ $(OBJ) $(LIBS)
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$(Q)$(SIZE) $@
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include ../py/mkrules.mk
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