73 lines
2.0 KiB
Makefile
73 lines
2.0 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# Makefile for the Sparc boot stuff.
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#
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# Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
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# Copyright (C) 1997,1998 Jakub Jelinek (jj@ultra.linux.cz)
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ROOT_IMG := /usr/src/root.img
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ELFTOAOUT := elftoaout
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hostprogs := piggyback
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targets := tftpboot.img image zImage vmlinux.aout
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clean-files := System.map
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quiet_cmd_elftoaout = ELFTOAOUT $@
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cmd_elftoaout = $(ELFTOAOUT) $(obj)/image -o $@
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quiet_cmd_piggy = PIGGY $@
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cmd_piggy = $(obj)/piggyback $(BITS) $@ System.map $(ROOT_IMG)
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quiet_cmd_strip = STRIP $@
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cmd_strip = $(STRIP) -R .comment -R .note -K sun4u_init -K _end -K _start $< -o $@
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ifeq ($(CONFIG_SPARC64),y)
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# Actual linking
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$(obj)/zImage: $(obj)/image FORCE
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$(call if_changed,gzip)
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@echo ' kernel: $@ is ready'
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$(obj)/vmlinux.aout: vmlinux FORCE
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$(call if_changed,elftoaout)
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@echo ' kernel: $@ is ready'
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else
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$(obj)/zImage: $(obj)/image FORCE
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$(call if_changed,strip)
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@echo ' kernel: $@ is ready'
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# The following lines make a readable image for U-Boot.
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# uImage - Binary file read by U-boot
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# uImage.o - object file of uImage for loading with a
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# flash programmer understanding ELF.
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OBJCOPYFLAGS_image.bin := -S -O binary -R .note -R .comment
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$(obj)/image.bin: $(obj)/image FORCE
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$(call if_changed,objcopy)
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$(obj)/image.gz: $(obj)/image.bin FORCE
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$(call if_changed,gzip)
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UIMAGE_LOADADDR = $(CONFIG_UBOOT_LOAD_ADDR)
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UIMAGE_ENTRYADDR = $(CONFIG_UBOOT_ENTRY_ADDR)
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UIMAGE_COMPRESSION = gzip
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quiet_cmd_uimage.o = UIMAGE.O $@
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cmd_uimage.o = $(LD) -Tdata $(CONFIG_UBOOT_FLASH_ADDR) \
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-r -b binary $@ -o $@.o
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targets += uImage
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$(obj)/uImage: $(obj)/image.gz FORCE
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$(call if_changed,uimage)
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$(call if_changed,uimage.o)
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@echo ' Image $@ is ready'
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endif
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$(obj)/image: vmlinux FORCE
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$(call if_changed,strip)
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@echo ' kernel: $@ is ready'
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$(obj)/tftpboot.img: $(obj)/image $(obj)/piggyback System.map $(ROOT_IMG) FORCE
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$(call if_changed,elftoaout)
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$(call if_changed,piggy)
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