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- SUBDIR_ROOTS := . common
- DIRS := . $(shell find $(SUBDIR_ROOTS) -type d)
- GARBAGE_PATTERNS := *.o *.s~ *.s *.S~ *.c~ *.h~ kernel
- GARBAGE := $(foreach DIR,$(DIRS),$(addprefix $(DIR)/,$(GARBAGE_PATTERNS)))
- DIR_LIB=lib
- lib_patterns := *.a
- LIB_FILES := $(foreach DIR,$(DIR_LIB),$(addprefix $(DIR)/,$(lib_patterns)))
- CFLAGS := -mcmodel=large -fno-builtin -m64
- ASFLAGS := --64
- all: kernel
- objcopy -I elf64-x86-64 -S -R ".comment" -R ".eh_frame" -O elf64-x86-64 kernel ../bin/kernel/kernel.elf
- # cp kernel ../bin/kernel/kernel.elf
- kernel: head.o entry.o main.o printk.o trap.o mm.o irq.o 8259A.o process.o syscall.o multiboot2.o
- ld -b elf64-x86-64 -z muldefs -o kernel head.o exception/entry.o main.o common/printk.o exception/trap.o exception/irq.o exception/8259A.o mm/mm.o process/process.o syscall/syscall.o driver/multiboot2/multiboot2.o \
- -T link.lds
- head.o: head.S
- gcc -E head.S > head.s # 预处理
- as $(ASFLAGS) -o head.o head.s
- #gcc -mcmodel=large -fno-builtin -m64 -c head.S -o head.o
- entry.o: exception/entry.S
- gcc -E exception/entry.S > exception/entry.s
- as $(ASFLAGS) -o exception/entry.o exception/entry.s
- main.o: main.c
- # -fno-builtin: 不使用C语言内建函数
- # The -m64 option sets int to 32bits and long and pointer to 64 bits and generates code for AMD’s x86-64 architecture.
- gcc $(CFLAGS) -c main.c -o main.o
- printk.o: common/printk.c
- gcc $(CFLAGS) -c common/printk.c -o common/printk.o
- trap.o: exception/trap.c
- gcc $(CFLAGS) -c exception/trap.c -o exception/trap.o
- irq.o: exception/irq.c
- gcc $(CFLAGS) -c exception/irq.c -o exception/irq.o
- 8259A.o: exception/8259A.c
- gcc $(CFLAGS) -c exception/8259A.c -o exception/8259A.o
- mm.o: mm/mm.c
- gcc $(CFLAGS) -c mm/mm.c -o mm/mm.o
- process.o: process/process.c
- gcc $(CFLAGS) -c process/process.c -o process/process.o
- syscall.o: syscall/syscall.c
- gcc $(CFLAGS) -c syscall/syscall.c -o syscall/syscall.o
- multiboot2.o: driver/multiboot2/multiboot2.c
- gcc $(CFLAGS) -c driver/multiboot2/multiboot2.c -o driver/multiboot2/multiboot2.o
- clean:
- rm -rf $(GARBAGE)
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