diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..ecbcf30 --- /dev/null +++ b/Makefile @@ -0,0 +1,125 @@ +# +# if you want the ram-disk device, define this to be the +# size in blocks. +# +RAMDISK = #-DRAMDISK=512 + +AS86 =as86 -0 -a +LD86 =ld86 -0 + +AS =as +LD =ld +LDFLAGS =-m elf_i386 -Ttext 0 -e startup_32 -Map=System.map.2 -N +CC =gcc -march=i386 $(RAMDISK) +CFLAGS =-w -g -fstrength-reduce -fomit-frame-pointer -fno-stack-protector -mcld +CPP =cpp -nostdinc -Iinclude + +# +# ROOT_DEV specifies the default root-device when making the image. +# This can be either FLOPPY, /dev/xxxx or empty, in which case the +# default of /dev/hd6 is used by 'build'. +# +ROOT_DEV= + +ARCHIVES=kernel/kernel.o mm/mm.o fs/fs.o +DRIVERS =kernel/blk_drv/blk_drv.a kernel/chr_drv/chr_drv.a +MATH =kernel/math/math.a +LIBS =lib/lib.a + +.c.s: + $(CC) $(CFLAGS) \ + -nostdinc -Iinclude -S -o $*.s $< +.s.o: + $(AS) -o $*.o $< +.c.o: + $(CC) $(CFLAGS) \ + -nostdinc -Iinclude -c -o $*.o $< + +all: Image + +Image: boot/bootsect boot/setup tools/system tools/build + cp -f tools/system system.tmp + strip system.tmp + tools/build boot/bootsect boot/setup system.tmp $(ROOT_DEV) > Image + rm -f system.tmp + sync + +disk: Image + dd bs=8192 if=Image of=/dev/PS0 + +tools/build: tools/build.c + $(CC) $(CFLAGS) \ + -o tools/build tools/build.c + +boot/head.o: boot/head.s + +tools/system: boot/head.o init/main.o \ + $(ARCHIVES) $(DRIVERS) $(MATH) $(LIBS) + $(LD) $(LDFLAGS) boot/head.o init/main.o \ + $(ARCHIVES) \ + $(DRIVERS) \ + $(MATH) \ + $(LIBS) \ + -o tools/system + nm tools/system | grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw]\)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | sort >System.map + +kernel/math/math.a: FORCE + (cd kernel/math; make) + +kernel/blk_drv/blk_drv.a: FORCE + (cd kernel/blk_drv; make) + +kernel/chr_drv/chr_drv.a: FORCE + (cd kernel/chr_drv; make) + +kernel/kernel.o: FORCE + (cd kernel; make) + +mm/mm.o: FORCE + (cd mm; make) + +fs/fs.o: FORCE + (cd fs; make) + +lib/lib.a: FORCE + (cd lib; make) + +FORCE: + +boot/setup: boot/setup.s + $(AS86) -o boot/setup.o boot/setup.s + $(LD86) -s -o boot/setup boot/setup.o + +boot/bootsect: boot/bootsect.s + $(AS86) -o boot/bootsect.o boot/bootsect.s + $(LD86) -s -o boot/bootsect boot/bootsect.o + +tmp.s: boot/bootsect.s tools/system + (echo -n "SYSSIZE = (";ls -l tools/system | grep system \ + | cut -c25-31 | tr '\012' ' '; echo "+ 15 ) / 16") > tmp.s + cat boot/bootsect.s >> tmp.s + +clean: + rm -f Image System.map tmp_make core System.map.2 + rm -f boot/bootsect boot/setup + rm -f init/*.o tools/system tools/build boot/*.o + (cd mm;make clean) + (cd fs;make clean) + (cd kernel;make clean) + (cd lib;make clean) + +dep: + sed '/\#\#\# Dependencies/q' < Makefile > tmp_make + (for i in init/*.c;do echo -n "init/";$(CPP) -M $$i;done) >> tmp_make + cp tmp_make Makefile + (cd fs; make dep) + (cd kernel; make dep) + (cd mm; make dep) + +### Dependencies: +init/main.o : init/main.c include/unistd.h include/sys/stat.h \ + include/sys/types.h include/sys/times.h include/sys/utsname.h \ + include/utime.h include/time.h include/linux/tty.h include/termios.h \ + include/linux/sched.h include/linux/head.h include/linux/fs.h \ + include/linux/mm.h include/signal.h include/asm/system.h include/asm/io.h \ + include/stddef.h include/stdarg.h include/fcntl.h