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#
# arch/ppc/mbxboot/Makefile
#
# This file is subject to the terms and conditions of the GNU General Public
# License. See the file "COPYING" in the main directory of this archive
# for more details.
#
# Copyright (C) 1994 by Linus Torvalds
# Adapted for PowerPC by Gary Thomas
# modified by Cort (cort@cs.nmt.edu)
#
.c.s:
$(CC) $(CFLAGS) -S -o $*.s $<
.s.o:
$(AS) -o $*.o $<
.c.o:
$(CC) $(CFLAGS) -DINITRD_OFFSET=$(IOFF) -DINITRD_SIZE=$(ISZ) -DZIMAGE_OFFSET=$(ZOFF) -DZIMAGE_SIZE=$(ZSZ) -c -o $*.o $<
.S.s:
$(CPP) $(AFLAGS) -traditional -o $*.o $<
.S.o:
$(CC) $(AFLAGS) -traditional -c -o $*.o $<
ZOFF = 0
ZSZ = 0
IOFF = 0
ISZ = 0
TFTPIMAGE=/tftpboot/zImage.embedded
ifdef CONFIG_8xx
ZLINKFLAGS = -T ../vmlinux.lds -Ttext 0x00180000
OBJECTS := head.o misc.o ../coffboot/zlib.o m8xx_tty.o
CFLAGS = $(CPPFLAGS) -O2 -DSTDC_HEADERS -fno-builtin -DCONFIG_8xx
endif
ifdef CONFIG_8260
ZLINKFLAGS = -T ../vmlinux.lds -Ttext 0x00400000
OBJECTS := head_8260.o misc.o ../coffboot/zlib.o m8260_tty.o embed_config.o
CFLAGS = $(CPPFLAGS) -O2 -DSTDC_HEADERS -fno-builtin -DCONFIG_8260
endif
OBJCOPY_ARGS = -O elf32-powerpc
ifeq ($(CONFIG_MBX),y)
OBJECTS += pci.o qspan_pci.o
CFLAGS += -DCONFIG_MBX
endif
ifeq ($(CONFIG_RPXLITE),y)
CFLAGS += -DCONFIG_RPXLITE
OBJECTS += iic.o embed_config.o
endif
ifeq ($(CONFIG_RPXCLASSIC),y)
CFLAGS += -DCONFIG_RPXCLASSIC
OBJECTS += iic.o embed_config.o pci.o qspan_pci.o
endif
ifeq ($(CONFIG_BSEIP),y)
CFLAGS += -DCONFIG_BSEIP
OBJECTS += iic.o embed_config.o
endif
all: zImage
zvmlinux.initrd: zvmlinux
$(LD) $(ZLINKFLAGS) -o zvmlinux.initrd.tmp1 $(OBJECTS)
$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
--add-section=initrd=ramdisk.image.gz \
--add-section=image=../coffboot/vmlinux.gz \
zvmlinux.initrd.tmp1 zvmlinux.initrd1
$(CC) $(CFLAGS) -DINITRD_OFFSET=`sh offset $(OBJDUMP) zvmlinux.initrd1 initrd` \
-DINITRD_SIZE=`sh size $(OBJDUMP) zvmlinux.initrd1 initrd` \
-DZIMAGE_OFFSET=`sh offset $(OBJDUMP) zvmlinux.initrd1 image` \
-DZIMAGE_SIZE=`sh size $(OBJDUMP) zvmlinux.initrd1 image` \
-c -o misc.o misc.c
$(LD) $(ZLINKFLAGS) -o zvmlinux.initrd.tmp $(OBJECTS)
$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
--add-section=initrd=ramdisk.image.gz \
--add-section=image=../coffboot/vmlinux.gz \
zvmlinux.initrd.tmp $@
zImage: zvmlinux
ln -sf zvmlinux zImage
zImage.initrd: zvmlinux.initrd
ln -sf zvmlinux.initrd zImage.initrd
zvmlinux: $(OBJECTS) ../coffboot/vmlinux.gz
#
# build the boot loader image and then compute the offset into it
# for the kernel image
#
$(LD) $(ZLINKFLAGS) -o zvmlinux.tmp $(OBJECTS)
$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment --add-section=image=../coffboot/vmlinux.gz \
zvmlinux.tmp $@
#
# then with the offset rebuild the bootloader so we know where the kernel is
#
$(CC) $(CFLAGS) -DINITRD_OFFSET=0 -DINITRD_SIZE=0 \
-DZIMAGE_OFFSET=`sh offset $(OBJDUMP) zvmlinux image` \
-DZIMAGE_SIZE=`sh size $(OBJDUMP) zvmlinux image` \
-c -o misc.o misc.c
$(LD) $(ZLINKFLAGS) -o zvmlinux.tmp $(OBJECTS)
$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment --add-section=image=../coffboot/vmlinux.gz \
zvmlinux.tmp $@
rm zvmlinux.tmp
znetboot : zImage
cp zImage $(TFTPIMAGE)
znetboot.initrd : zImage.initrd
cp zImage.initrd $(TFTPIMAGE)
clean:
rm -f vmlinux* zvmlinux* zImage*
fastdep:
$(TOPDIR)/scripts/mkdep *.[Sch] > .depend
dep:
$(CPP) $(CPPFLAGS) -M *.S *.c > .depend
# just here to match coffboot/Makefile
vmlinux.coff:
vmlinux.coff.initrd:
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