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MODE := release
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TARGET := riscv64gc-unknown-none-elf
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OBJDUMP := rust-objdump --arch-name=riscv64
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OBJCOPY := rust-objcopy --binary-architecture=riscv64
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RUST_FLAGS := -Clink-arg=-Tsrc/linker.ld # 使用我们自己的链接脚本
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RUST_FLAGS += -Cforce-frame-pointers=yes # 强制编译器生成帧指针
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RUST_FLAGS:=$(strip ${RUST_FLAGS})
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APP_DIR := src/bin
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TARGET_DIR := target/$(TARGET)/$(MODE)
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APPS := $(wildcard $(APP_DIR)/*.rs)
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ELFS := $(patsubst $(APP_DIR)/%.rs, $(TARGET_DIR)/%, $(APPS))
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BINS := $(patsubst $(APP_DIR)/%.rs, $(TARGET_DIR)/%.bin, $(APPS))
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# 编译elf文件
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build_elf: clean
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CARGO_BUILD_RUSTFLAGS="$(RUST_FLAGS)" \
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cargo build --$(MODE) --target=$(TARGET)
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# 把每个elf文件去掉无关代码
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build: build_elf
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@$(foreach elf, $(ELFS), $(OBJCOPY) $(elf) --strip-all -O binary $(patsubst $(TARGET_DIR)/%, $(TARGET_DIR)/%.bin, $(elf));)
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clean:
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rm -rf ./target*
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