os/Makefile

47 lines
1.3 KiB
Makefile

export PLAT=i386
export CC = $(shell cat psinfo/$(PLAT)/cc.txt)
export AS = $(shell cat psinfo/$(PLAT)/as.txt)
export AR = $(shell cat psinfo/$(PLAT)/ar.txt)
export NASM = $(shell cat psinfo/$(PLAT)/nasm.txt)
EMU = $(shell cat psinfo/$(PLAT)/emu.txt)
GDB = $(shell cat psinfo/$(PLAT)/gdb.txt)
LINK_OBJ = $(wildcard kernel/kernel.a libc/libc.a cpu/$(PLAT)/boot.o)
export CFLAGS = -Wextra -Wall -Wno-unused-parameter -g -ffreestanding
QFLAGS = -hda ext2.img -m 2G -boot d -cdrom os.iso -serial vc #-chardev socket,id=s1,port=3000,host=localhost -serial chardev:s1
.PHONY: sysroot
all: os.iso
run: os.iso
@$(EMU) $(QFLAGS) -monitor stdio
debug: os.iso kernel.elf
@$(EMU) -s $(QFLAGS) &
@$(GDB) -ex "target remote localhost:1234" -ex "symbol-file kernel/kernel.elf"
os.iso: kernel.elf initrd/* initrd/init initrd/vfs
@cp kernel/kernel.elf iso/boot
@cd initrd; tar -f ../iso/boot/initrd.tar -c *
@grub-mkrescue -o $@ iso > /dev/null 2>/dev/null
.PHONY: kernel.elf initrd/init initrd/vfs
initrd/init:
$(MAKE) -C init
cp init/init initrd/init
initrd/vfs:
$(MAKE) -C vfs
cp vfs/vfs initrd/vfs
kernel.elf:
@$(MAKE) -C kernel
@$(MAKE) -C libc
@$(CC) -z max-page-size=4096 -Xlinker -n -T kernel/cpu/$(PLAT)/linker.ld -o $@ $(CFLAGS) -nostdlib $(LINK_OBJ) -lgcc
clean:
@$(MAKE) clean -C kernel
@$(MAKE) clean -C libc
@$(MAKE) clean -C kernel/cpu