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TARGET := riscv64gc-unknown-none-elf
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KERNEL_ENTRY := 0x80200000
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MODE := release
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KERNEL_ELF := target/$(TARGET)/$(MODE)/os
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KERNEL_BIN := $(KERNEL_ELF).bin
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SYMBOL_MAP := target/system.map
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QEMU_CMD_PATH := ../../tools/qemu-system-riscv64
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OBJDUMP := rust-objdump --arch-name=riscv64
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OBJCOPY := rust-objcopy --binary-architecture=riscv64
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RUST_FLAGS := -Clink-arg=-Tsrc/linker.ld # 使用我们自己的链接脚本
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RUST_FLAGS += -Cforce-frame-pointers=yes # 强制编译器生成帧指针
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RUST_FLAGS:=$(strip ${RUST_FLAGS})
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# 编译elf文件
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build_elf: clean
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CARGO_BUILD_RUSTFLAGS="$(RUST_FLAGS)" \
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cargo build --$(MODE) --target=$(TARGET)
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# 导出一个符号表, 供我们查看
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$(SYMBOL_MAP):build_elf
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nm $(KERNEL_ELF) | sort > $(SYMBOL_MAP)
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# 丢弃内核可执行elf文件中的元数据得到内核镜像
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$(KERNEL_BIN): build_elf
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@$(OBJCOPY) $(KERNEL_ELF) --strip-all -O binary $@
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debug:build_elf $(KERNEL_BIN) $(SYMBOL_MAP)
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$(QEMU_CMD_PATH) \
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-machine virt \
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-display none \
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-daemonize \
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-bios ../../bootloader/rustsbi-qemu.bin \
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-device loader,file=$(KERNEL_BIN),addr=$(KERNEL_ENTRY) \
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-s -S
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run:build_elf $(KERNEL_BIN) $(SYMBOL_MAP) kill
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$(QEMU_CMD_PATH) \
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-machine virt \
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-nographic \
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-bios ../../bootloader/rustsbi-qemu.bin \
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-device loader,file=$(KERNEL_BIN),addr=$(KERNEL_ENTRY)
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clean:
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rm -rf ./target* && rm -rf ./src/link_app.S
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kill:
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pkill -9 qemu
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