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# Makefile for the Sparc boot stuff.
#
# Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
# Copyright (C) 1997,1998 Jakub Jelinek (jj@ultra.linux.cz)
ROOT_IMG := /usr/src/root.img
ELFTOAOUT := elftoaout
MKIMAGE := $(srctree)/scripts/mkuboot.sh
hostprogs-y := piggyback btfixupprep
targets := tftpboot.img btfix.o btfix.S image zImage vmlinux.aout
clean-files := System.map
quiet_cmd_elftoaout = ELFTOAOUT $@
cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@
quiet_cmd_piggy = PIGGY $@
cmd_piggy = $(obj)/piggyback $(BITS) $@ System.map $(ROOT_IMG)
quiet_cmd_strip = STRIP $@
cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $< -o $@
ifeq ($(CONFIG_SPARC32),y)
quiet_cmd_btfix = BTFIX $@
cmd_btfix = $(OBJDUMP) -x vmlinux | $(obj)/btfixupprep > $@
quiet_cmd_sysmap = SYSMAP $(obj)/System.map
cmd_sysmap = $(CONFIG_SHELL) $(srctree)/scripts/mksysmap
quiet_cmd_image = LD $@
cmd_image = $(LD) $(LDFLAGS) $(EXTRA_LDFLAGS) $(LDFLAGS_$(@F)) -o $@
define rule_image
$(if $($(quiet)cmd_image), \
echo ' $($(quiet)cmd_image)' &&) \
$(cmd_image); \
$(if $($(quiet)cmd_sysmap), \
echo ' $($(quiet)cmd_sysmap)' &&) \
$(cmd_sysmap) $@ $(obj)/System.map; \
if [ $$? -ne 0 ]; then \
rm -f $@; \
/bin/false; \
fi; \
echo 'cmd_$@ := $(cmd_image)' > $(@D)/.$(@F).cmd
endef
BTOBJS := $(patsubst %/, %/built-in.o, $(VMLINUX_INIT))
BTLIBS := $(patsubst %/, %/built-in.o, $(VMLINUX_MAIN))
LDFLAGS_image := -T arch/sparc/kernel/vmlinux.lds $(BTOBJS) \
--start-group $(BTLIBS) --end-group \
$(kallsyms.o) $(obj)/btfix.o
# Link the final image including btfixup'ed symbols.
# This is a replacement for the link done in the top-level Makefile.
# Note: No dependency on the prerequisite files since that would require
# make to try check if they are updated - and due to changes
# in gcc options (path for example) this would result in
# these files being recompiled for each build.
$(obj)/image: $(obj)/btfix.o FORCE
$(call if_changed_rule,image)
$(obj)/zImage: $(obj)/image
$(call if_changed,strip)
@echo ' kernel: $@ is ready'
$(obj)/btfix.S: $(obj)/btfixupprep vmlinux FORCE
$(call if_changed,btfix)
endif
ifeq ($(CONFIG_SPARC64),y)
# Actual linking
$(obj)/image: vmlinux FORCE
$(call if_changed,strip)
@echo ' kernel: $@ is ready'
$(obj)/zImage: $(obj)/image
$(call if_changed,gzip)
@echo ' kernel: $@ is ready'
$(obj)/vmlinux.aout: vmlinux FORCE
$(call if_changed,elftoaout)
@echo ' kernel: $@ is ready'
else
# The following lines make a readable image for U-Boot.
# uImage - Binary file read by U-boot
# uImage.o - object file of uImage for loading with a
# flash programmer understanding ELF.
OBJCOPYFLAGS_image.bin := -S -O binary -R .note -R .comment
$(obj)/image.bin: $(obj)/image FORCE
$(call if_changed,objcopy)
$(obj)/image.gz: $(obj)/image.bin
$(call if_changed,gzip)
quiet_cmd_uimage = UIMAGE $@
cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sparc -O linux -T kernel \
-C gzip -a $(CONFIG_UBOOT_LOAD_ADDR) \
-e $(CONFIG_UBOOT_ENTRY_ADDR) -n 'Linux-$(KERNELRELEASE)' \
-d $< $@
quiet_cmd_uimage.o = UIMAGE.O $@
cmd_uimage.o = $(LD) -Tdata $(CONFIG_UBOOT_FLASH_ADDR) \
-r -b binary $@ -o $@.o
targets += uImage
$(obj)/uImage: $(obj)/image.gz
$(call if_changed,uimage)
$(call if_changed,uimage.o)
@echo ' Image $@ is ready'
endif
$(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback System.map $(ROOT_IMG) FORCE
$(call if_changed,elftoaout)
$(call if_changed,piggy)
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