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xv6-public
提交 6197c042 创建 作者: nelhage's avatar nelhage
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Fix compilation on 64-bit machines (thanks to andersk for patch)

上级 411ee741
显示空白字符变更
内嵌 并排
正在显示 包含 14 行增加 和 12 行删除
Makefile
浏览文件 @ 6197c042
...@@ -36,8 +36,10 @@ AS = $(TOOLPREFIX)gas ...@@ -36,8 +36,10 @@ AS = $(TOOLPREFIX)gas
LD = $(TOOLPREFIX)ld LD = $(TOOLPREFIX)ld
OBJCOPY = $(TOOLPREFIX)objcopy OBJCOPY = $(TOOLPREFIX)objcopy
OBJDUMP = $(TOOLPREFIX)objdump OBJDUMP = $(TOOLPREFIX)objdump
CFLAGS = -fno-builtin -O2 -Wall -MD -ggdb CFLAGS = -fno-builtin -O2 -Wall -MD -ggdb -m32
CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector) CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
ASFLAGS = -m32
LDFLAGS = -m elf_i386
xv6.img: bootblock kernel fs.img xv6.img: bootblock kernel fs.img
dd if=/dev/zero of=xv6.img count=10000 dd if=/dev/zero of=xv6.img count=10000
...@@ -45,27 +47,27 @@ xv6.img: bootblock kernel fs.img ...@@ -45,27 +47,27 @@ xv6.img: bootblock kernel fs.img
dd if=kernel of=xv6.img seek=1 conv=notrunc dd if=kernel of=xv6.img seek=1 conv=notrunc
bootblock: bootasm.S bootmain.c bootblock: bootasm.S bootmain.c
$(CC) -O -nostdinc -I. -c bootmain.c $(CC) $(CFLAGS) -O -nostdinc -I. -c bootmain.c
$(CC) -nostdinc -I. -c bootasm.S $(CC) $(CFLAGS) -nostdinc -I. -c bootasm.S
$(LD) -N -e start -Ttext 0x7C00 -o bootblock.o bootasm.o bootmain.o $(LD) $(LDFLAGS) -N -e start -Ttext 0x7C00 -o bootblock.o bootasm.o bootmain.o
$(OBJDUMP) -S bootblock.o > bootblock.asm $(OBJDUMP) -S bootblock.o > bootblock.asm
$(OBJCOPY) -S -O binary bootblock.o bootblock $(OBJCOPY) -S -O binary bootblock.o bootblock
./sign.pl bootblock ./sign.pl bootblock
bootother: bootother.S bootother: bootother.S
$(CC) -nostdinc -I. -c bootother.S $(CC) $(CFLAGS) -nostdinc -I. -c bootother.S
$(LD) -N -e start -Ttext 0x7000 -o bootother.out bootother.o $(LD) $(LDFLAGS) -N -e start -Ttext 0x7000 -o bootother.out bootother.o
$(OBJCOPY) -S -O binary bootother.out bootother $(OBJCOPY) -S -O binary bootother.out bootother
$(OBJDUMP) -S bootother.o > bootother.asm $(OBJDUMP) -S bootother.o > bootother.asm
initcode: initcode.S initcode: initcode.S
$(CC) -nostdinc -I. -c initcode.S $(CC) $(CFLAGS) -nostdinc -I. -c initcode.S
$(LD) -N -e start -Ttext 0 -o initcode.out initcode.o $(LD) $(LDFLAGS) -N -e start -Ttext 0 -o initcode.out initcode.o
$(OBJCOPY) -S -O binary initcode.out initcode $(OBJCOPY) -S -O binary initcode.out initcode
$(OBJDUMP) -S initcode.o > initcode.asm $(OBJDUMP) -S initcode.o > initcode.asm
kernel: $(OBJS) bootother initcode kernel: $(OBJS) bootother initcode
$(LD) -Ttext 0x100000 -e main -o kernel $(OBJS) -b binary initcode bootother $(LD) $(LDFLAGS) -Ttext 0x100000 -e main -o kernel $(OBJS) -b binary initcode bootother
$(OBJDUMP) -S kernel > kernel.asm $(OBJDUMP) -S kernel > kernel.asm
$(OBJDUMP) -t kernel | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > kernel.sym $(OBJDUMP) -t kernel | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > kernel.sym
...@@ -78,18 +80,18 @@ vectors.S: vectors.pl ...@@ -78,18 +80,18 @@ vectors.S: vectors.pl
ULIB = ulib.o usys.o printf.o umalloc.o ULIB = ulib.o usys.o printf.o umalloc.o
_%: %.o $(ULIB) _%: %.o $(ULIB)
$(LD) -N -e main -Ttext 0 -o $@ $^ $(LD) $(LDFLAGS) -N -e main -Ttext 0 -o $@ $^
$(OBJDUMP) -S $@ > $*.asm $(OBJDUMP) -S $@ > $*.asm
$(OBJDUMP) -t $@ | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > $*.sym $(OBJDUMP) -t $@ | sed '1,/SYMBOL TABLE/d; s/ .* / /; /^$$/d' > $*.sym
_forktest: forktest.o $(ULIB) _forktest: forktest.o $(ULIB)
# forktest has less library code linked in - needs to be small # forktest has less library code linked in - needs to be small
# in order to be able to max out the proc table. # in order to be able to max out the proc table.
$(LD) -N -e main -Ttext 0 -o _forktest forktest.o ulib.o usys.o $(LD) $(LDFLAGS) -N -e main -Ttext 0 -o _forktest forktest.o ulib.o usys.o
$(OBJDUMP) -S _forktest > forktest.asm $(OBJDUMP) -S _forktest > forktest.asm
mkfs: mkfs.c fs.h mkfs: mkfs.c fs.h
gcc -Wall -o mkfs mkfs.c gcc $(CFLAGS) -Wall -o mkfs mkfs.c
UPROGS=\ UPROGS=\
_cat\ _cat\
......
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