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# Makefile for making XCOFF bootable images for booting on PowerMacs
# using Open Firmware.
#
# Paul Mackerras January 1997
HOSTCFLAGS = -O -I$(TOPDIR)/include
CC = $(CROSS_COMPILE)gcc
LD = $(CROSS_COMPILE)ld
CFLAGS = -O -fno-builtin -I$(TOPDIR)/include
OBJCOPY = $(CROSS_COMPILE)objcopy
OBJCOPY_ARGS = -O aixcoff-rs6000 -R .stab -R .stabstr -R .comment
COFF_LD_ARGS = -e _start -T ld.script -Ttext 500000 -Tdata 510000 -Bstatic
CHRP_LD_ARGS = -Ttext 0x00400000
GZ = gzip -9
COFFOBJS = coffcrt0.o start.o coffmain.o misc.o string.o zlib.o image.o
CHRPOBJS = crt0.o start.o chrpmain.o misc.o string.o zlib.o image.o
LIBS = $(TOPDIR)/lib/lib.a
ifeq ($(CONFIG_PPC64),y)
MSIZE=.64
else
MSIZE=
endif
ifeq ($(CONFIG_ALL_PPC),y)
# yes, we want to build pmac stuff
CONFIG_PMAC = y
endif
ifeq ($(CONFIG_SMP),y)
TFTPIMAGE=/tftpboot/zImage.pmac.smp$(MSIZE)
else
TFTPIMAGE=/tftpboot/zImage.pmac$(MSIZE)
endif
ifeq ($(CONFIG_PMAC),y)
hack-coff: hack-coff.c
$(HOSTCC) $(HOSTCFLAGS) -o hack-coff hack-coff.c
znetboot: vmlinux.coff zImage
cp vmlinux.coff $(TFTPIMAGE)
znetboot.initrd: vmlinux.coff.initrd
cp vmlinux.coff.initrd $(TFTPIMAGE)
floppy: zImage
# mount -t hfs /dev/fd0 /mnt
# cp vmlinux.coff /mnt
# umount /mnt
coffboot: $(COFFOBJS) no_initrd.o ld.script
$(LD) -o $@ $(COFF_LD_ARGS) $(COFFOBJS) no_initrd.o $(LIBS)
coffboot.initrd: $(COFFOBJS) initrd.o ld.script
$(LD) -o $@ $(COFF_LD_ARGS) $(COFFOBJS) initrd.o $(LIBS)
piggyback: piggyback.c
$(HOSTCC) $(HOSTCFLAGS) -DKERNELBASE=$(KERNELBASE) -o piggyback piggyback.c
mknote: mknote.c
$(HOSTCC) $(HOSTCFLAGS) -o mknote mknote.c
image.o: piggyback vmlinux.gz
./piggyback image < vmlinux.gz | $(AS) -o image.o
initrd.o: ramdisk.image.gz piggyback
./piggyback initrd < ramdisk.image.gz | $(AS) -o initrd.o
vmlinux.coff: coffboot hack-coff
$(OBJCOPY) $(OBJCOPY_ARGS) coffboot $@
./hack-coff $@
ln -sf vmlinux.coff zImage
vmlinux.coff.initrd: coffboot.initrd hack-coff
$(OBJCOPY) $(OBJCOPY_ARGS) coffboot $@
./hack-coff $@
vmlinux.elf: $(CHRPOBJS) no_initrd.o mknote
$(LD) $(CHRP_LD_ARGS) -o $@ $(CHRPOBJS) no_initrd.o $(LIBS)
./mknote > note
$(OBJCOPY) $@ $@ --add-section=.note=note -R .comment
vmlinux.elf.initrd: $(CHRPOBJS) initrd.o mknote
$(LD) $(CHRP_LD_ARGS) -o $@ $(CHRPOBJS) initrd.o $(LIBS)
./mknote > note
$(OBJCOPY) $@ $@ --add-section=.note=note -R .comment
zImage: vmlinux.coff vmlinux.elf
zImage.initrd: vmlinux.coff.initrd vmlinux.elf.initrd
else
znetboot: vmlinux.gz
znetboot.initrd: vmlinux.gz
coffboot: vmlinux.gz
zImage: vmlinux.gz
zImage.initrd: vmlinux.gz
vmlinux.coff: vmlinux.gz
vmlinux.coff.initrd: vmlinux.gz
floppy: vmlinux.gz
endif
vmlinux.gz: $(TOPDIR)/vmlinux
$(OBJCOPY) -S -O binary $(TOPDIR)/vmlinux vmlinux
gzip -vf9 vmlinux
clean:
rm -f hack-coff coffboot zImage vmlinux.coff vmlinux.gz
fastdep:
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