136 lines
3.3 KiB
Makefile
136 lines
3.3 KiB
Makefile
GDB=gdb
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OBJCOPY=objcopy
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CAT=cat
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ifeq ($(OS),Windows_NT)
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CAT=type
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else
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OS=$(shell uname -s)
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endif
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ifeq ($(OS),Darwin)
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AS=x86_64-elf-as
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LD=x86_64-elf-ld
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CC=x86_64-elf-gcc
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GDB=x86_64-elf-gdb
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OBJCOPY=x86_64-elf-objcopy
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endif
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CFLAGS = -fno-pic -ffreestanding -static -fno-builtin -fno-strict-aliasing \
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-mno-sse \
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-I. \
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-Wall -ggdb -m32 -Werror -fno-omit-frame-pointer
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CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
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ASMFLAGS = -m32 -ffreestanding -c -g -I.
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ifeq ($(LLVM),on)
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ifeq ($(OS),Darwin)
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LD=PATH=/usr/local/opt/llvm/bin:$(PATH) ld.lld
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else
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LD=ld.lld
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endif
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CC=clang
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CFLAGS += -target elf-i386
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ASMFLAGS = -target elf-i386 -ffreestanding -c -g
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LDKERNELFLAGS = --script=script.ld
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endif
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OBJECTS = ./kernel/kstart.o ./kernel.o ./console.o ./drivers/vga.o ./drivers/uart.o ./drivers/keyboard.o \
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./cpu/idt.o ./cpu/gdt.o ./cpu/swtch.o ./cpu/vectors.o ./kernel/mem.o ./proc.o ./lib/string.o \
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./fs/fs.o ./drivers/ata.o ./lib/string.o ./proc.o ./drivers/pit.o ./kernel/vm.o
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run: image.bin
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qemu-system-i386 -drive format=raw,file=$< -serial mon:stdio
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run-nox: image.bin
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qemu-system-i386 -nographic -drive format=raw,file=$< -serial mon:stdio
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ejudge.sh: image.bin
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echo >$@ "#!/bin/sh"
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echo >>$@ "base64 -d <<===EOF | gunzip >image.bin"
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gzip <$^ | base64 >>$@
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echo >>$@ "===EOF"
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echo >>$@ "exec qemu-system-i386 -nographic -drive format=raw,file=image.bin -serial mon:stdio"
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chmod +x $@
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diag:
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-$(UNAME) -a
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-$(CC) --version
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-$(LD) -v
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-gcc --version
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-ld -v
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debug-boot-nox: image.bin mbr.elf
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qemu-system-i386 -nographic -drive format=raw,file=$< -s -S &
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$(GDB) mbr.elf \
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-ex "set architecture i8086" \
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-ex "target remote localhost:1234" \
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-ex "break *0x7c00" \
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-ex "continue"
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debug-boot: image.bin mbr.elf
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qemu-system-i386 -drive format=raw,file=$< -s -S &
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$(GDB) mbr.elf \
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-ex "set architecture i8086" \
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-ex "target remote localhost:1234" \
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-ex "break *0x7c00" \
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-ex "continue"
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debug-server: image.bin
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qemu-system-i386 -drive format=raw,file=$< -s -S
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debug-server-nox: image.bin
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qemu-system-i386 -nographic -drive format=raw,file=$< -s -S
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debug: image.bin
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qemu-system-i386 -drive format=raw,file=$< -s -S &
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$(GDB) kernel.bin \
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-ex "target remote localhost:1234" \
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-ex "break kmain" \
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-ex "continue"
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debug-nox: image.bin
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qemu-system-i386 -nographic -drive format=raw,file=$< -s -S &
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$(GDB) kernel.bin \
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-ex "target remote localhost:1234" \
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-ex "break _start" \
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-ex "continue"
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fs.img: ./kernel.bin ./tools/mkfs ./user/false ./user/greet ./user/div0 ./user/shout
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./tools/mkfs $@ $< ./user/false ./user/greet ./user/div0 ./user/shout
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LDFLAGS=-m elf_i386
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user/%: user/%.o user/crt.o
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$(LD) $(LDFLAGS) -o $@ -Ttext 0x401000 $^
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kernel.bin: $(OBJECTS)
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$(LD) $(LDFLAGS) $(LDKERNELFLAGS) -o $@ -Ttext 0x80009000 $^
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bootmain.o: bootmain.c
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$(CC) $(CFLAGS) -Os -c $< -o $@
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%.o: %.c
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$(CC) $(CFLAGS) -c $< -o $@
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%.o: %.S
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$(CC) $(ASMFLAGS) $^ -o $@
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image.bin: mbr.elf tools/mbrpad fs.img
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$(OBJCOPY) -S -O binary -j .text $< $@
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tools/mbrpad $@ fs.img
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mbr.raw: mbr.o bootmain.o
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$(LD) -N -m elf_i386 -Ttext=0x7c00 --oformat=binary $^ -o $@
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mbr.elf: mbr.o bootmain.o
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$(LD) -N -m elf_i386 -Ttext=0x7c00 $^ -o $@
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clean:
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rm -f *.elf *.img *.bin *.raw *.o */*.o tools/mkfs ejudge.sh
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tools/%: tools/%.c
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gcc -Wall -Werror -g $^ -o $@
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