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Forked from zhaoqunqin / proj95
48 commits behind the upstream repository.
Makefile 4.05 KiB
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K=kernel
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U=user
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OBJS = 			\
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	$K/entry.o 	\
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	$K/console.o 	\
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	$K/printf.o 	\
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	$K/uart.o	\
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	$K/kalloc.o	\
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	$K/spinlock.o	\
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	$K/file.o	\
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	$K/swtch.o	\
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	$K/vm.o		\
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	$K/proc.o	\
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	$K/string.o	\
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	$K/sleeplock.o	\
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	$K/trampoline.o	\
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	$K/kernelvec.o	\
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	$K/sysproc.o	\
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	$K/syscall.o	\
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	$K/bio.o	\
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	$K/ramdisk.o	\
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	$K/fs.o		\
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	$K/pipe.o	\
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	$K/log.o	\
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	$K/sysfile.o	\
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	$K/exec.o	\
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	$K/trap.o	\
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	$K/lab.o	\
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	$K/main.o
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# loongarch64-unknown-linux-gnu-
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# perhaps in /opt/riscv/bin
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TOOLPREFIX = loongarch64-unknown-linux-gnu-
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QEMU = ./qemu-system-loongarch64
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CC = $(TOOLPREFIX)gcc
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LD = $(TOOLPREFIX)ld
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OBJCOPY = $(TOOLPREFIX)objcopy
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OBJDUMP = $(TOOLPREFIX)objdump
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CFLAGS = -Wall -Werror -O -fno-omit-frame-pointer -ggdb
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CFLAGS += -MD
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#CFLAGS += -mcmodel=medany
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# orign CFLAGS += -ffreestanding -fno-common -nostdlib -mno-relax
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CFLAGS += -ffreestanding -fno-common -nostdlib
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CFLAGS += -I.
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CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
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# Disable PIE when possible (for Ubuntu 16.10 toolchain)
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ifneq ($(shell $(CC) -dumpspecs 2>/dev/null | grep -e '[^f]no-pie'),)
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CFLAGS += -fno-pie -no-pie
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endif
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ifneq ($(shell $(CC) -dumpspecs 2>/dev/null | grep -e '[^f]nopie'),)
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CFLAGS += -fno-pie -nopie
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endif
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LDFLAGS = -z max-page-size=4096
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$K/kernel: $(OBJS) $K/kernel.ld
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	$(LD) $(LDFLAGS) -T $K/kernel.ld -o $K/kernel $(OBJS)
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	$(OBJDUMP) -S $K/kernel > $K/kernel.asm
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	$(OBJDUMP) -t $K/kernel | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > $K/kernel.sym
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$U/initcode: $U/initcode.S
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$(CC) $(CFLAGS) -march=loongarch64 -nostdinc -I. -Ikernel -c $U/initcode.S -o $U/initcode.o $(LD) $(LDFLAGS) -N -e start -Ttext 0 -o $U/initcode.out $U/initcode.o $(OBJCOPY) -S -O binary $U/initcode.out $U/initcode $(OBJDUMP) -S $U/initcode.o > $U/initcode.asm tags: $(OBJS) _init etags *.S *.c ULIB = $U/ulib.o $U/usys.o $U/printf.o $U/umalloc.o _%: %.o $(ULIB) $(LD) $(LDFLAGS) -N -e main -Ttext 0 -o $@ $^ $(OBJDUMP) -S $@ > $*.asm $(OBJDUMP) -t $@ | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > $*.sym $U/usys.S : $U/usys.pl perl $U/usys.pl > $U/usys.S $U/usys.o : $U/usys.S $(CC) $(CFLAGS) -c -o $U/usys.o $U/usys.S $U/_forktest: $U/forktest.o $(ULIB) # forktest has less library code linked in - needs to be small # in order to be able to max out the proc table. $(LD) $(LDFLAGS) -N -e main -Ttext 0 -o $U/_forktest $U/forktest.o $U/ulib.o $U/usys.o $(OBJDUMP) -S $U/_forktest > $U/forktest.asm mkfs/mkfs: mkfs/mkfs.c $K/fs.h $K/param.h gcc -Werror -Wall -I. -o mkfs/mkfs mkfs/mkfs.c # Prevent deletion of intermediate files, e.g. cat.o, after first build, so # that disk image changes after first build are persistent until clean. More # details: # http://www.gnu.org/software/make/manual/html_node/Chained-Rules.html .PRECIOUS: %.o UPROGS=\ $U/_cat\ $U/_echo\ $U/_forktest\ $U/_grep\ $U/_init\ $U/_kill\ $U/_ln\ $U/_ls\ $U/_mkdir\ $U/_rm\ $U/_sh\ $U/_stressfs\ $U/_usertests\ $U/_grind\ $U/_wc\ $U/_zombie\ $U/_trace\ $U/_sysinfotest\ fs.img: mkfs/mkfs README $(UPROGS) mkfs/mkfs fs.img README $(UPROGS) -include kernel/*.d user/*.d clean: rm -f *.tex *.dvi *.idx *.aux *.log *.ind *.ilg \ */*.o */*.d */*.asm */*.sym \ $U/initcode $U/initcode.out $K/kernel fs.img \ mkfs/mkfs \ $U/usys.S \ $(UPROGS)
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print-gdbport: @echo 26000 # try to generate a unique GDB port GDBPORT = $(shell expr `id -u` % 5000 + 25000) # QEMU's gdb stub command line changed in 0.11 QEMUGDB = $(shell if $(QEMU) -help | grep -q '^-gdb'; \ then echo "-gdb tcp::$(GDBPORT)"; \ else echo "-s -p $(GDBPORT)"; fi) ifndef CPUS CPUS := 3 endif #QEMUOPTS = -machine virt -bios none -kernel $K/kernel -m 128M -smp $(CPUS) -nographic QEMUOPTS = -kernel $K/kernel -m 1G -smp 2 -nographic -vga none QEMUOPTS += -initrd fs.img #QEMUOPTS += -drive file=fs.img,if=none,format=raw,id=x0 #QEMUOPTS += -device virtio-blk-device,drive=x0,bus=virtio-bus qemu: $K/kernel fs.img $(QEMU) $(QEMUOPTS) .gdbinit: .gdbinit.tmpl sed "s/:1234/:$(GDBPORT)/" < $^ > $@ qemu-gdb: $K/kernel .gdbinit fs.img @echo "*** Now run 'gdb' in another window." 1>&2 $(QEMU) $(QEMUOPTS) -S $(QEMUGDB)