4lDO2
38 lines
881 B
Makefile
38 lines
881 B
Makefile
export RUST_TARGET_PATH=targets
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ifeq ($(TARGET),)
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ARCH?=$(shell uname -a)
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else
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ARCH?=$(shell echo "$(TARGET)" | cut -d - -f1)
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endif
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BUILD?=target/$(ARCH)-unknown-kernel
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all: $(BUILD)/kernel $(BUILD)/kernel.sym
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LD_SCRIPT=linkers/$(ARCH).ld
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TARGET_SPEC=targets/$(ARCH)-unknown-kernel.json
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$(BUILD)/kernel.all: $(LD_SCRIPT) $(TARGET_SPEC) $(shell find . -name "*.rs" -type f)
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cargo rustc \
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--bin kernel \
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--target "$(TARGET_SPEC)" \
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--release \
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-Z build-std=core,alloc \
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-- \
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-C link-arg=-T -Clink-arg="$(LD_SCRIPT)" \
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-C link-arg=-z -Clink-arg=max-page-size=0x1000 \
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--emit link="$(BUILD)/kernel.all"
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$(BUILD)/kernel.sym: $(BUILD)/kernel.all
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$(TARGET)-objcopy \
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--only-keep-debug \
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"$(BUILD)/kernel.all" \
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"$(BUILD)/kernel.sym"
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$(BUILD)/kernel: $(BUILD)/kernel.all
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$(TARGET)-objcopy \
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--strip-debug \
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"$(BUILD)/kernel.all" \
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"$(BUILD)/kernel"
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