xref: /DragonOS/kernel/Makefile (revision ad51f8b6ea520d6c13bfd537976731c640709c6b) 
1SUBDIR_ROOTS := . common
2DIRS := . $(shell find $(SUBDIR_ROOTS) -type d)
3GARBAGE_PATTERNS := *.o *.s~ *.s *.S~ *.c~ *.h~ kernel
4GARBAGE := $(foreach DIR,$(DIRS),$(addprefix $(DIR)/,$(GARBAGE_PATTERNS)))
5
6DIR_LIB=lib
7lib_patterns := *.a
8LIB_FILES := $(foreach DIR,$(DIR_LIB),$(addprefix $(DIR)/,$(lib_patterns)))
9
10CFLAGS := -mcmodel=large -fno-builtin -m64
11ASFLAGS := --64
12
13all: kernel
14	objcopy -I elf64-x86-64 -S -R ".comment" -R ".eh_frame" -O elf64-x86-64 kernel ../bin/kernel/kernel.elf
15# cp kernel ../bin/kernel/kernel.elf
16
17
18kernel: head.o entry.o main.o printk.o trap.o mm.o irq.o 8259A.o process.o syscall.o multiboot2.o cpu.o
19	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 \
20	common/cpu.o	\
21	-T link.lds
22
23head.o: head.S
24	gcc -E head.S > head.s # 预处理
25	as $(ASFLAGS) -o head.o head.s
26#gcc -mcmodel=large -fno-builtin -m64 -c head.S -o head.o
27
28entry.o: exception/entry.S
29	gcc -E exception/entry.S > exception/entry.s
30	as $(ASFLAGS) -o exception/entry.o exception/entry.s
31
32
33
34main.o: main.c
35# -fno-builtin: 不使用C语言内建函数
36# The -m64 option sets int to 32bits and long and pointer to 64 bits and generates code for AMD’s x86-64 architecture.
37	gcc $(CFLAGS) -c main.c  -o main.o
38
39
40printk.o: common/printk.c
41	gcc $(CFLAGS) -c common/printk.c -o common/printk.o
42
43trap.o:	exception/trap.c
44	gcc $(CFLAGS) -c exception/trap.c -o exception/trap.o
45
46irq.o: exception/irq.c
47	gcc $(CFLAGS) -c exception/irq.c -o exception/irq.o
48
498259A.o: exception/8259A.c
50	gcc $(CFLAGS) -c exception/8259A.c -o exception/8259A.o
51
52mm.o: mm/mm.c
53	gcc $(CFLAGS) -c mm/mm.c -o mm/mm.o
54
55process.o: process/process.c
56	gcc $(CFLAGS) -c process/process.c -o process/process.o
57syscall.o: syscall/syscall.c
58	gcc $(CFLAGS) -c syscall/syscall.c -o syscall/syscall.o
59
60multiboot2.o: driver/multiboot2/multiboot2.c
61	gcc $(CFLAGS) -c driver/multiboot2/multiboot2.c  -o driver/multiboot2/multiboot2.o
62
63cpu.o: common/cpu.c
64	gcc $(CFLAGS) -c common/cpu.c -o common/cpu.o
65
66clean:
67	rm -rf $(GARBAGE)