64 lines
1.2 KiB
Makefile
64 lines
1.2 KiB
Makefile
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# environment
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include ../Makevars.mk
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# CFLAGS
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CFLAGS += -O0
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CFLAGS += -g
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CFLAGS += -nostdlib
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CFLAGS += -march=armv8-a
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# CFLAGS += -std=c99
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# CFLAGS += -pedantic
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CFLAGS += -Wall
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CFLAGS += -Wmissing-prototypes
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CFLAGS += -Wstrict-prototypes
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CFLAGS += -Wold-style-definition
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INCS += -I./
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# SOURCES
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LD_SCRIPT = aarch64/aarch64.ld
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SOURCE_FILES = \
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aarch64/boot.S \
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aarch64/aarch64.S \
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\
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core/main.c \
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core/irq.c \
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core/timer.c \
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core/log.c \
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\
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device/uart/uart_mini.c \
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device/uart/uart_qemu.c \
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SOURCE_LIST := $(wildcard $(SOURCE_FILES))
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OBJECT_FILES := $(addsuffix .o, $(addprefix $(BUILD_DIR), ${SOURCE_LIST}))
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# rules
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all: kernel
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default: kernel
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kernel: $(BUILD_DIR)kernel.elf
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$(BUILD_DIR)kernel.elf: $(OBJECT_FILES)
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$(info linking target: $@)
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$(AARCH64_LD) -T$(LD_SCRIPT) -nostdlib $^ -o $@
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$(info done: $@)
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$(BUILD_DIR)kernel.bin: $(BUILD_DIR)/kernel.elf
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$(AARCH64_OBJCOPY) -O binary $< $@
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$(BUILD_DIR)kernel.sym: $(BUILD_DIR)/kernel.elf
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$(AARCH64_OBJCOPY) --only-keep-debug $< $@
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$(AARCH64_OBJCOPY) --strip-debug $@
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$(BUILD_DIR)%.o: %
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$(info compiling file: $<)
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@mkdir -p $(dir ./$(BUILD_DIR)$<)
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$(AARCH64_CC) $(INCS) $(CFLAGS) -c $< -o $@
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