#
# arch/alpha/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.
#
# Copyright (C) 1994 by Linus Torvalds
#

hostprogs-y := tools/mkbb tools/objstrip
targets := vmlinux.gz vmlinux \
vmlinux.nh tools/lxboot tools/bootlx tools/bootph \
tools/bootpzh bootloader bootpheader bootpzheader
OBJSTRIP := $(obj)/tools/objstrip

# SRM bootable image. Copy to offset 512 of a partition.
$(obj)/bootimage: $(addprefix $(obj)/tools/,mkbb lxboot bootlx) $(obj)/vmlinux.nh
( cat $(obj)/tools/lxboot $(obj)/tools/bootlx $(obj)/vmlinux.nh ) > $@
$(obj)/tools/mkbb $@ $(obj)/tools/lxboot
@echo ' Bootimage $@ is ready'

# BOOTP bootable image. Define INITRD during make to append initrd image.
$(obj)/bootpfile: $(obj)/tools/bootph $(obj)/vmlinux.nh
cat $(obj)/tools/bootph $(obj)/vmlinux.nh > $@
ifdef INITRD
cat $(INITRD) >> $@
endif

# Compressed kernel BOOTP bootable image.
# Define INITRD during make to append initrd image.
$(obj)/bootpzfile: $(obj)/tools/bootpzh $(obj)/vmlinux.nh.gz
cat $(obj)/tools/bootpzh $(obj)/vmlinux.nh.gz > $@
ifdef INITRD
cat $(INITRD) >> $@
endif

# Compressed kernel image
$(obj)/vmlinux.gz: $(obj)/vmlinux FORCE
$(call if_changed,gzip)
@echo ' Kernel $@ is ready'

$(obj)/main.o: $(obj)/ksize.h
$(obj)/bootp.o: $(obj)/ksize.h
$(obj)/bootpz.o: $(obj)/kzsize.h

$(obj)/ksize.h: $(obj)/vmlinux.nh FORCE
echo "#define KERNEL_SIZE `ls -l $(obj)/vmlinux.nh | awk '{print $$5}'`" > $@T
ifdef INITRD
[ -f $(INITRD) ] || exit 1
echo "#define INITRD_IMAGE_SIZE `ls -l $(INITRD) | awk '{print $$5}'`" >> $@T
endif
cmp -s $@T $@ || mv -f $@T $@
rm -f $@T

$(obj)/kzsize.h: $(obj)/vmlinux.nh.gz FORCE
echo "#define KERNEL_SIZE `ls -l $(obj)/vmlinux.nh | awk '{print $$5}'`" > $@T
echo "#define KERNEL_Z_SIZE `ls -l $(obj)/vmlinux.nh.gz | awk '{print $$5}'`" >> $@T
ifdef INITRD
[ -f $(INITRD) ] || exit 1
echo "#define INITRD_IMAGE_SIZE `ls -l $(INITRD) | awk '{print $$5}'`" >> $@T
endif
cmp -s $@T $@ || mv -f $@T $@
rm -f $@T

quiet_cmd_strip = STRIP $@
cmd_strip = $(STRIP) -o $@ $<

$(obj)/vmlinux: vmlinux FORCE
$(call if_changed,strip)

quiet_cmd_objstrip = OBJSTRIP $@
cmd_objstrip = $(OBJSTRIP) $(OSFLAGS_$(@F)) $< $@

OSFLAGS_vmlinux.nh := -v
OSFLAGS_lxboot := -p
OSFLAGS_bootlx := -vb
OSFLAGS_bootph := -vb
OSFLAGS_bootpzh := -vb

$(obj)/vmlinux.nh: vmlinux $(OBJSTRIP) FORCE
$(call if_changed,objstrip)

$(obj)/vmlinux.nh.gz: $(obj)/vmlinux.nh FORCE
$(call if_changed,gzip)

$(obj)/tools/lxboot: $(obj)/bootloader $(OBJSTRIP) FORCE
$(call if_changed,objstrip)

$(obj)/tools/bootlx: $(obj)/bootloader $(OBJSTRIP) FORCE
$(call if_changed,objstrip)

$(obj)/tools/bootph: $(obj)/bootpheader $(OBJSTRIP) FORCE
$(call if_changed,objstrip)

$(obj)/tools/bootpzh: $(obj)/bootpzheader $(OBJSTRIP) FORCE
$(call if_changed,objstrip)

LDFLAGS_bootloader := -static -uvsprintf -T #-N -relax
LDFLAGS_bootpheader := -static -uvsprintf -T #-N -relax
LDFLAGS_bootpzheader := -static -uvsprintf -T #-N -relax

OBJ_bootlx := $(obj)/head.o $(obj)/main.o
OBJ_bootph := $(obj)/head.o $(obj)/bootp.o
OBJ_bootpzh := $(obj)/head.o $(obj)/bootpz.o $(obj)/misc.o

$(obj)/bootloader: $(obj)/bootloader.lds $(OBJ_bootlx) $(LIBS_Y) FORCE
$(call if_changed,ld)

$(obj)/bootpheader: $(obj)/bootloader.lds $(OBJ_bootph) $(LIBS_Y) FORCE
$(call if_changed,ld)

$(obj)/bootpzheader: $(obj)/bootloader.lds $(OBJ_bootpzh) $(LIBS_Y) FORCE
$(call if_changed,ld)

$(obj)/misc.o: lib/inflate.c