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# BK Id: SCCS/s.Makefile 1.26 09/25/01 07:54:40 trini
#
# arch/ppc/boot/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.
#
# Tom Rini January 2001
#
# Originally:
# arch/ppc/boot/Makefile
# Copyright (C) 1994 by Linus Torvalds
# Adapted for PowerPC by Gary Thomas
# modified by Cort (cort@cs.nmt.edu)
#
USE_STANDARD_AS_RULE := true
ifeq ($(CONFIG_SMP),y)
TFTPIMAGE = /tftpboot/zImage.prep.smp
else
TFTPIMAGE = /tftpboot/zImage.prep
endif
ZLINKFLAGS = -T $(TOPDIR)/arch/$(ARCH)/vmlinux.lds \
-Ttext 0x00800000
obj-y := head.o misc.o ../common/misc-common.o \
../common/string.o of1275.o
OBJCOPY_ARGS = -O elf32-powerpc
LIBS = ../lib/zlib.a
obj-$(CONFIG_SERIAL_CONSOLE) += ../common/ns16550.o
obj-$(CONFIG_VGA_CONSOLE) += vreset.o kbd.o
# Tools
MKPREP := ../utils/mkprep
SIZE := ../utils/size
OFFSET := ../utils/offset
all: zImage
misc.o: misc.c
$(CC) $(CFLAGS) -DINITRD_OFFSET=0 -DINITRD_SIZE=0 -DZIMAGE_OFFSET=0 \
-DZIMAGE_SIZE=0 -c -o $@ $*.c
zvmlinux.initrd: $(obj-y) $(LIBS) ../images/vmlinux.gz
$(LD) $(ZLINKFLAGS) -o $@.tmp $(obj-y) $(LIBS)
$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
--add-section=initrd=../images/ramdisk.image.gz \
--add-section=image=../images/vmlinux.gz \
$@.tmp $@
$(CC) $(CFLAGS) -DINITRD_OFFSET=`sh $(OFFSET) $(OBJDUMP) $@ initrd` \
-DINITRD_SIZE=`sh $(SIZE) $(OBJDUMP) $@ initrd` \
-DZIMAGE_OFFSET=`sh $(OFFSET) $(OBJDUMP) $@ image` \
-DZIMAGE_SIZE=`sh $(SIZE) $(OBJDUMP) $@ image` \
-c -o misc.o misc.c
$(LD) $(ZLINKFLAGS) -o $@.tmp $(obj-y) $(LIBS)
$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
--add-section=initrd=../images/ramdisk.image.gz \
--add-section=image=../images/vmlinux.gz \
$@.tmp $@
rm -f $@.tmp zvmlinux
zImage: zvmlinux $(MKPREP)
$(MKPREP) -pbp zvmlinux ../images/$@.prep
rm -f zvmlinux
zImage.initrd: zvmlinux.initrd $(MKPREP)
$(MKPREP) -pbp zvmlinux.initrd ../images/$@.prep
rm -f zvmlinux.initrd
zvmlinux: $(obj-y) $(LIBS) ../images/vmlinux.gz
#
# build the boot loader image and then compute the offset into it
# for the kernel image
#
$(LD) $(ZLINKFLAGS) -o zvmlinux.tmp $(obj-y) $(LIBS)
$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
--add-section=image=../images/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 $(obj-y) $(LIBS)
$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
--add-section=image=../images/vmlinux.gz $@.tmp $@
rm $@.tmp
floppy: zImage
dd if=../images/zImage.prep of=/dev/fd0H1440 bs=64b
znetboot : zImage
cp ../images/zImage.prep $(TFTPIMAGE)
znetboot.initrd : zImage.initrd
cp ../images/zImage.initrd.prep $(TFTPIMAGE)
include $(TOPDIR)/Rules.make
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