diff options
Diffstat (limited to 'arch/sparc/boot/Makefile')
-rw-r--r-- | arch/sparc/boot/Makefile | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/arch/sparc/boot/Makefile b/arch/sparc/boot/Makefile new file mode 100644 index 00000000..d56d199c --- /dev/null +++ b/arch/sparc/boot/Makefile @@ -0,0 +1,112 @@ +# 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 + +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) + +UIMAGE_LOADADDR = $(CONFIG_UBOOT_LOAD_ADDR) +UIMAGE_ENTRYADDR = $(CONFIG_UBOOT_ENTRY_ADDR) +UIMAGE_COMPRESSION = gzip + +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) |