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70a4e5550a
* 使用rust重写了apic的驱动。 * 修正signal和调度器的部分加锁逻辑，增加回退策略。 * 把pcb的flags字段替换为无锁的 * 使用cargo管理apic的编译 * 删除makefile中指定PIC的变量 --------- Co-authored-by: Gou Ngai <ymd7823@outlook.com> Co-authored-by: 櫻井桃華 <89176634+TihayaKousaka@users.noreply.github.com>
91 lines
2.6 KiB
Makefile
91 lines
2.6 KiB
Makefile
SUBDIR_ROOTS := .
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DIRS := . $(shell find $(SUBDIR_ROOTS) -type d)
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GARBAGE_PATTERNS := *.o *.s~ *.s *.S~ *.c~ *.h~ kernel
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GARBAGE := $(foreach DIR,$(DIRS),$(addprefix $(DIR)/,$(GARBAGE_PATTERNS)))
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DIR_LIB=libs
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lib_patterns := *.a
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LIB_FILES := $(foreach DIR,$(DIR_LIB),$(addprefix $(DIR)/,$(lib_patterns)))
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# unwind/backtrace related
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UNWIND_ENABLE ?= yes
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CFLAGS_UNWIND =
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LDFLAGS_UNWIND =
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RUSTFLAGS_UNWIND =
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ifeq ($(UNWIND_ENABLE), yes)
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CFLAGS_UNWIND = -funwind-tables
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LDFLAGS_UNWIND = --eh-frame-hdr
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RUSTFLAGS_UNWIND = -Cforce-unwind-tables -Clink-arg=-Wl,eh_frame.ld
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endif
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CFLAGS = $(GLOBAL_CFLAGS) -fno-pie $(CFLAGS_UNWIND) -I $(shell pwd) -I $(shell pwd)/include -I $(shell pwd)/arch/x86_64/include
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export ASFLAGS := --64
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LD_LIST := head.o
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kernel_subdirs := common driver debug arch exception smp syscall ktest libs time
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head.o: head.S
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$(CC) -E head.S > _head.s # 预处理
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$(AS) $(ASFLAGS) -o head.o _head.s
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main.o: main.c
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# -fno-builtin: 不使用C语言内建函数
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# The -m64 option sets int to 32bits and long and pointer to 64 bits and generates code for AMD’s x86-64 architecture.
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$(CC) $(CFLAGS) -c main.c -o main.o
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kernel_rust:
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RUSTFLAGS="$(RUSTFLAGS_UNWIND)" cargo +nightly-2023-01-21 build --release --target ./arch/x86_64/x86_64-unknown-none.json
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all: kernel
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@echo "Linking kernel..."
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$(LD) -b elf64-x86-64 -z muldefs $(LDFLAGS_UNWIND) -o kernel head.o main.o $(shell find . -name "*.o") ../target/x86_64-unknown-none/release/libdragonos_kernel.a -T link.lds --no-relax
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# 生成kallsyms
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current_dir=$(pwd)
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@dbg='debug';for x in $$dbg; do \
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cd $$x;\
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$(MAKE) generate_kallsyms kernel_root_path="$(shell pwd)"||exit 1;\
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cd ..;\
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done
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# 重新链接
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@echo "Re-Linking kernel..."
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@echo $(shell find . -name "*.o")
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$(LD) -b elf64-x86-64 -z muldefs $(LDFLAGS_UNWIND) -o kernel head.o main.o $(shell find . -name "*.o") ../target/x86_64-unknown-none/release/libdragonos_kernel.a ./debug/kallsyms.o -T link.lds --no-relax
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@echo "Generating kernel ELF file..."
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# 生成内核文件
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ifeq ($(UNWIND_ENABLE), yes)
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$(OBJCOPY) -I elf64-x86-64 -O elf64-x86-64 kernel ../../bin/kernel/kernel.elf
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else
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$(OBJCOPY) -I elf64-x86-64 -O elf64-x86-64 -R ".eh_frame" kernel ../../bin/kernel/kernel.elf
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endif
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@echo "Kernel Build Done."
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ECHO:
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@echo "$@"
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$(kernel_subdirs): ECHO
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$(MAKE) -C $@ all CFLAGS="$(CFLAGS)" ASFLAGS="$(ASFLAGS)" kernel_root_path="$(shell pwd)"
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kernel: head.o main.o $(kernel_subdirs) kernel_rust
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clean:
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cargo clean
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rm -rf $(GARBAGE)
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@list='$(kernel_subdirs)'; for subdir in $$list; do \
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echo "Clean in dir: $$subdir";\
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cd $$subdir && $(MAKE) clean;\
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cd .. ;\
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done
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