clean up Makefile; add wc
This commit is contained in:
rsc
parent
a1af366500
commit
76f09d7dd0
131
Makefile
131
Makefile
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@ -1,10 +1,15 @@
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OBJS = \
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8253pit.o\
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bio.o\
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console.o\
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exec.o\
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file.o\
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fs.o\
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ide.o\
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kalloc.o\
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lapic.o\
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ioapic.o\
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kalloc.o\
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kbd.o\
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lapic.o\
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main.o\
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mp.o\
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picirq.o\
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@ -19,32 +24,27 @@ OBJS = \
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trapasm.o\
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trap.o\
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vectors.o\
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bio.o\
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fs.o\
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exec.o\
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8253pit.o\
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kbd.o\
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# Cross-compiling (e.g., on Mac OS X)
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#TOOLPREFIX = i386-jos-elf-
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TOOLPREFIX = i386-jos-elf-
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# Using native tools (e.g., on X86 Linux)
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TOOLPREFIX =
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#TOOLPREFIX =
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CC = $(TOOLPREFIX)gcc
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AS = $(TOOLPREFIX)gas
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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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# On newer gcc you may need to add -fno-stack-protector to $(CFLAGS)
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CFLAGS = -fno-builtin -O2 -Wall -MD -ggdb -fno-stack-protector
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AS = $(TOOLPREFIX)gas
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CFLAGS = -fno-builtin -O2 -Wall -MD -ggdb
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CFLAGS += $(shell $(CC) -fno-stack-protector -E -x c /dev/null >/dev/null 2>&1 && echo -fno-stack-protector)
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xv6.img : bootblock kernel fs.img
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xv6.img: bootblock kernel fs.img
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dd if=/dev/zero of=xv6.img count=10000
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dd if=bootblock of=xv6.img conv=notrunc
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dd if=kernel of=xv6.img seek=1 conv=notrunc
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bootblock : bootasm.S bootmain.c
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bootblock: bootasm.S bootmain.c
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$(CC) -O -nostdinc -I. -c bootmain.c
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$(CC) -nostdinc -I. -c bootasm.S
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$(LD) -N -e start -Ttext 0x7C00 -o bootblock.o bootasm.o bootmain.o
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@ -52,71 +52,35 @@ bootblock : bootasm.S bootmain.c
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$(OBJCOPY) -S -O binary bootblock.o bootblock
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./sign.pl bootblock
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kernel : $(OBJS) bootother.S initcode.S
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$(CC) -nostdinc -I. -c bootother.S
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bootother: bootother.S
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$(CC) -nostdinc -I. -c $*.S
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$(LD) -N -e start -Ttext 0x7000 -o bootother.out bootother.o
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$(OBJCOPY) -S -O binary bootother.out bootother
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$(OBJDUMP) -S bootother.o > bootother.asm
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$(CC) -nostdinc -I. -c initcode.S
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initcode: initcode.S
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$(CC) -nostdinc -I. -c $*.S
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$(LD) -N -e start -Ttext 0 -o initcode.out initcode.o
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$(OBJCOPY) -S -O binary initcode.out initcode
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$(OBJDUMP) -S initcode.o > initcode.asm
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kernel: $(OBJS) bootother initcode
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$(LD) -Ttext 0x100000 -e main -o kernel $(OBJS) -b binary initcode bootother
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$(OBJDUMP) -S kernel > kernel.asm
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$(OBJDUMP) -t kernel | awk '/SYMBOL TABLE/ { go=1; next } go {print $$1, $$NF}' >kernel.sym
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$(OBJDUMP) -t kernel | sed '1,/SYMBOL TABLE/d; s/ .* //' > kernel.sym
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tags: $(OBJS) bootother.S _init
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etags *.S *.c
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vectors.S : vectors.pl
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vectors.S: vectors.pl
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perl vectors.pl > vectors.S
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ULIB = ulib.o usys.o printf.o umalloc.o
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_usertests : usertests.o $(ULIB)
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$(LD) -N -e main -Ttext 0 -o _usertests usertests.o $(ULIB)
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$(OBJDUMP) -S _usertests > usertests.asm
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_echo : echo.o $(ULIB)
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$(LD) -N -e main -Ttext 0 -o _echo echo.o $(ULIB)
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$(OBJDUMP) -S _echo > echo.asm
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_cat : cat.o $(ULIB)
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$(LD) -N -e main -Ttext 0 -o _cat cat.o $(ULIB)
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$(OBJDUMP) -S _cat > cat.asm
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_init : init.o $(ULIB)
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$(LD) -N -e main -Ttext 0 -o _init init.o $(ULIB)
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$(OBJDUMP) -S _init > init.asm
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$(OBJDUMP) -t _init | awk '/SYMBOL TABLE/ { go=1; next } go {print $$1, $$NF}' >init.sym
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_kill : kill.o $(ULIB)
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$(LD) -N -e main -Ttext 0 -o _kill kill.o $(ULIB)
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$(OBJDUMP) -S _kill > kill.asm
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_ls : ls.o $(ULIB)
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$(LD) -N -e main -Ttext 0 -o _ls ls.o $(ULIB)
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$(OBJDUMP) -S _ls > ls.asm
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_mkdir : mkdir.o $(ULIB)
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$(LD) -N -e main -Ttext 0 -o _mkdir mkdir.o $(ULIB)
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$(OBJDUMP) -S _mkdir > mkdir.asm
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_rm : rm.o $(ULIB)
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$(LD) -N -e main -Ttext 0 -o _rm rm.o $(ULIB)
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$(OBJDUMP) -S _rm > rm.asm
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_ln : ln.o $(ULIB)
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$(LD) -N -e main -Ttext 0 -o _ln ln.o $(ULIB)
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$(OBJDUMP) -S _ln > ln.asm
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_sh : sh.o $(ULIB)
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$(LD) -N -e main -Ttext 0 -o _sh sh.o $(ULIB)
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$(OBJDUMP) -S _sh > sh.asm
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_zombie: zombie.o $(ULIB)
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$(LD) -N -e main -Ttext 0 -o _zombie zombie.o $(ULIB)
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$(OBJDUMP) -S _zombie > zombie.asm
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_%: %.o $(ULIB)
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$(LD) -N -e main -Ttext 0 -o $@ $^
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$(OBJDUMP) -S $@ > $*.asm
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$(OBJDUMP) -t $@ | sed '1,/SYMBOL TABLE/d; s/ .* //' > $*.sym
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_forktest: forktest.o $(ULIB)
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# forktest has less library code linked in - needs to be small
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@ -124,18 +88,31 @@ _forktest: forktest.o $(ULIB)
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$(LD) -N -e main -Ttext 0 -o _forktest forktest.o ulib.o usys.o
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$(OBJDUMP) -S _forktest > forktest.asm
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mkfs : mkfs.c fs.h
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cc -o mkfs mkfs.c
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mkfs: mkfs.c fs.h
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gcc -Wall -o mkfs mkfs.c
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UPROGS=_usertests _echo _cat _init _kill _ln _ls _mkdir _rm _sh _zombie _forktest
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fs.img : mkfs README $(UPROGS)
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UPROGS=\
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_cat\
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_forktest\
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_init\
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_kill\
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_ln\
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_ls\
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_mkdir\
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_rm\
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_sh\
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_usertests\
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_wc\
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_zombie\
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fs.img: mkfs README $(UPROGS)
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./mkfs fs.img README $(UPROGS)
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-include *.d
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clean :
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clean:
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rm -f *.ps *.tex *.dvi *.idx *.aux *.log *.ind *.ilg \
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*.o *.d *.asm vectors.S parport.out \
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*.o *.d *.asm *.sym vectors.S parport.out \
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bootblock kernel xv6.img fs.img mkfs \
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$(UPROGS)
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@ -153,10 +130,10 @@ PRINT = \
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console.c\
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string.c\
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xv6.pdf : $(PRINT)
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xv6.pdf: $(PRINT)
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./runoff
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print : xv6.pdf
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print: xv6.pdf
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# run in emulators
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@ -164,7 +141,7 @@ bochs : fs.img xv6.img
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if [ ! -e .bochsrc ]; then ln -s dot-bochsrc .bochsrc; fi
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bochs -q
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qemu : fs.img xv6.img
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qemu: fs.img xv6.img
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qemu -parallel stdio -hdb fs.img xv6.img
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# CUT HERE
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@ -172,7 +149,7 @@ qemu : fs.img xv6.img
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# after running make dist, probably want to
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# rename it to rev0 or rev1 or so on and then
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# check in that version.
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dist :
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dist:
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rm -rf dist
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mkdir dist
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for i in *.c *.h *.S; \
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@ -182,7 +159,7 @@ dist :
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sed '/CUT HERE/,$$d' Makefile >dist/Makefile
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cp README dot-bochsrc *.pl toc.* runoff runoff1 runoff.list dist
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dist-test :
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dist-test:
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rm -rf dist-test
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mkdir dist-test
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cp dist/* dist-test
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@ -190,11 +167,11 @@ dist-test :
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cd dist-test; ../m bochs || true
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cd dist-test; ../m qemu
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# update this rule (change rev0) when it is time to
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# update this rule (change rev1) when it is time to
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# make a new revision.
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tar :
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tar:
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rm -rf /tmp/xv6
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mkdir -p /tmp/xv6
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cp dist/* /tmp/xv6
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(cd /tmp; tar cf - xv6) | gzip >xv6-rev0.tar.gz
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(cd /tmp; tar cf - xv6) | gzip >xv6-rev1.tar.gz
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@ -0,0 +1,54 @@
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#include "types.h"
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#include "stat.h"
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#include "user.h"
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char buf[512];
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void
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wc(int fd, char *name)
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{
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int i, n;
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int l, w, c, inword;
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l = w = c = 0;
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inword = 0;
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while((n = read(fd, buf, sizeof(buf))) > 0){
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for(i=0; i<n; i++){
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c++;
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if(buf[i] == '\n')
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l++;
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if(strchr(" \r\t\n\v", buf[i]))
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inword = 0;
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else if(!inword){
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w++;
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inword = 1;
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}
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}
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}
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if(n < 0){
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printf(1, "wc: read error\n");
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exit();
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}
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printf(1, "%d %d %d %s\n", l, w, c, name);
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}
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int
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main(int argc, char *argv[])
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{
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int fd, i;
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if(argc <= 1) {
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wc(0, "");
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exit();
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}
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for(i = 1; i < argc; i++){
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if((fd = open(argv[i], 0)) < 0){
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printf(1, "cat: cannot open %s\n", argv[i]);
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exit();
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}
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wc(fd, argv[i]);
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close(fd);
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}
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exit();
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}
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