63 lines
1.9 KiB
Makefile
63 lines
1.9 KiB
Makefile
PLAT=i386
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C_SOURCES = $(wildcard kernel/*.c drivers/$(PLAT)/*.c drivers/$(PLAT)/*/*.c cpu/$(PLAT)/*.c fs/*.c)
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ASM = $(wildcard cpu/$(PLAT)/*.asm)
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S_ASM = $(wildcard cpu/$(PLAT)/*.s)
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LIBC_SOURCES = $(wildcard libc/*.c libc/*/*.c)
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LIBC_HEADERS = $(wildcard libc/*.h libc/*/*.h)
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OBJ = $(C_SOURCES:.c=.o cpu/$(PLAT)/boot.o)
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ASM_OBJ = $(S_ASM:.s=.o)
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S_ASM_OBJ = $(ASM:.asm=.o)
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LIBC_OBJ = $(LIBC_SOURCES:.c=.o)
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CC = $(shell cat psinfo/$(PLAT)/cc.txt)
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AS = $(shell cat psinfo/$(PLAT)/as.txt)
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AR = $(shell cat psinfo/$(PLAT)/ar.txt)
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NASM = $(shell cat psinfo/$(PLAT)/nasm.txt)
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EMU = $(shell cat psinfo/$(PLAT)/emu.txt)
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GDB = $(shell cat psinfo/$(PLAT)/gdb.txt)
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CFLAGS = -Isysroot/usr/include -Wextra -Wall -Wno-unused-parameter -g -ffreestanding
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QFLAGS = -hda ext2.img -m 2G -boot d -cdrom os.iso -serial vc #-chardev socket,id=s1,port=3000,host=localhost -serial chardev:s1
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.PHONY: sysroot
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all: os.iso
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run: os.iso
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$(EMU) $(QFLAGS) -monitor stdio
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debug: os.iso kernel/kernel.elf
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$(EMU) -s $(QFLAGS) &
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$(GDB) -ex "target remote localhost:1234" -ex "symbol-file kernel/kernel.elf"
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os.iso: kernel/kernel.elf initrd/* initrd/prog.elf
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cp kernel/kernel.elf iso/boot
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ruby makeinitrd.rb initrd iso/boot/initrd
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grub-mkrescue -o $@ iso
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initrd/prog.elf: prog/*
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cd prog && make
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cp prog/prog.elf initrd
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kernel/kernel.elf: $(OBJ) $(ASM_OBJ) $(S_ASM_OBJ) libc/libc.a
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$(CC) -z max-page-size=4096 -Xlinker -n -T cpu/$(PLAT)/linker.ld -o $@ $(CFLAGS) -nostdlib $^ -lgcc
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sysroot: $(LIBC_HEADERS)
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mkdir -p sysroot/usr/include
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cp -r libc/* sysroot/usr/include
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rm -f sysroot/usr/include/libc.a sysroot/usr/include/*.o sysroot/usr/include/*/*.o sysroot/usr/include/*.c sysroot/usr/include/*/*.c
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libc/libc.a: $(LIBC_OBJ)
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$(AR) rcs $@ $^
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%.o: %.c sysroot
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$(CC) $(CFLAGS) -c $< -o $@
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%.o: %.asm
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$(NASM) $< -o $@
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%.o: %.s
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$(AS) $< -o $@
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clean:
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rm -rf $(OBJ) $(OBJ) $(ASM_OBJ) $(S_ASM_OBJ) libc/libc.a kernel/cstart.o cpu/memory.h os.iso */*.elf iso/boot/initrd.tar
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