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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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