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-rw-r--r--arch/sparc/boot/Makefile112
1 files changed, 112 insertions, 0 deletions
diff --git a/arch/sparc/boot/Makefile b/arch/sparc/boot/Makefile
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+++ b/arch/sparc/boot/Makefile
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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
+
+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)