Ich habe mich gefragt, welche Datei dem PC sagt, welche Dateien es wie ausführen muss. Kann es sein das es dieses MAKEFILE ist?
INHALT:
#
# Makefile for linux.
# If you don't have '-mstring-insns' in your gcc (and nobody but me has
# remove them from the CFLAGS defines.
#
AS86 =as -0 -a
CC86 =cc -0
LD86 =ld -0
AS =gas
LD =gld
LDFLAGS =-s -x -M
CC =gcc
CFLAGS =-Wall -O -fstrength-reduce -fomit-frame-pointer -fcombine-regs
CPP =gcc -E -nostdinc -Iinclude
ARCHIVES=kernel/kernel.o mm/mm.o fs/fs.o
LIBS =lib/lib.a
.c.s:
$(CC) $(CFLAGS) \
-nostdinc -Iinclude -S -o $*.s $<
.s.o:
$(AS) -c -o $*.o $<
.c.o:
$(CC) $(CFLAGS) \
-nostdinc -Iinclude -c -o $*.o $<
all: Image
Image: boot/boot tools/system tools/build
tools/build boot/boot tools/system > Image
sync
tools/build: tools/build.c
$(CC) $(CFLAGS) \
-o tools/build tools/build.c
chmem +65000 tools/build
boot/head.o: boot/head.s
tools/system: boot/head.o init/main.o \
$(ARCHIVES) $(LIBS)
$(LD) $(LDFLAGS) boot/head.o init/main.o \
$(ARCHIVES) \
$(LIBS) \
-o tools/system > System.map
kernel/kernel.o:
(cd kernel; make)
mm/mm.o:
(cd mm; make)
fs/fs.o:
(cd fs; make)
lib/lib.a:
(cd lib; make)
boot/boot: boot/boot.s tools/system
(echo -n "SYSSIZE = (";ls -l tools/system | grep system \
| cut -c25-31 | tr '\012' ' '; echo "+ 15 ) / 16") > tmp.s
cat boot/boot.s >> tmp.s
$(AS86) -o boot/boot.o tmp.s
rm -f tmp.s
$(LD86) -s -o boot/boot boot/boot.o
clean:
rm -f Image System.map tmp_make boot/boot core
rm -f init/*.o boot/*.o tools/system tools/build
(cd mm;make clean)
(cd fs;make clean)
(cd kernel;make clean)
(cd lib;make clean)
backup: clean
(cd .. ; tar cf - linux | compress16 - > backup.Z)
sync
dep:
sed '/\#\#\# Dependencies/q' < Makefile > tmp_make
(for i in init/*.c;do echo -n "init/";$(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/asm/system.h include/asm/io.h include/stddef.h \
include/stdarg.h include/fcntl.h
Das ganze finde ich sehr interressant und faszinierend...
