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51 lines
1.7 KiB
Makefile
51 lines
1.7 KiB
Makefile
SUBDIR_ROOTS := . common
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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=lib
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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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all: kernel
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objcopy -I elf64-x86-64 -S -R ".eh_frame" -R ".comment" -O binary kernel ../bin/kernel/kernel.bin
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kernel: head.o entry.o main.o printk.o trap.o mm.o irq.o 8259A.o process.o
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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 -T link.lds
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head.o: head.S
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gcc -E head.S > head.s # 预处理
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as --64 -o head.o head.s
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entry.o: exception/entry.S
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gcc -E exception/entry.S > exception/entry.s
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as --64 -o exception/entry.o exception/entry.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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gcc -mcmodel=large -fno-builtin -m64 -c main.c -o main.o
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printk.o: common/printk.c
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gcc -mcmodel=large -fno-builtin -m64 -c common/printk.c -o common/printk.o
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trap.o: exception/trap.c
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gcc -mcmodel=large -fno-builtin -m64 -c exception/trap.c -o exception/trap.o
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irq.o: exception/irq.c
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gcc -mcmodel=large -fno-builtin -m64 -c exception/irq.c -o exception/irq.o
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8259A.o: exception/8259A.c
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gcc -mcmodel=large -fno-builtin -m64 -c exception/8259A.c -o exception/8259A.o
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mm.o: mm/mm.c
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gcc -mcmodel=large -fno-builtin -m64 -c mm/mm.c -o mm/mm.o
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process.o: process/process.c
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gcc -mcmodel=large -fno-builtin -m64 -c process/process.c -o process/process.o
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clean:
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rm -rf $(GARBAGE)
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